@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500;700;800&family=Sora:wght@400;500;600;700;800&display=swap";@import"https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;700;800&family=Nunito:wght@500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Poppins:wght@500;700&display=swap";._journey_overlay_1b79b_4{position:fixed;inset:0;z-index:41000;display:grid;place-items:center;padding:16px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0000008c}._journey_modal_1b79b_16{width:min(560px,92vw);border-radius:16px;border:1px solid rgba(255,255,255,.08);box-shadow:0 10px 40px #0006;background:radial-gradient(120% 120% at 0% 0%,#38bdf81a,#a855f71a 30%,#18181bf5);color:#fff;padding:24px}._journey_subtitle_1b79b_34{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#ffffffa6;margin-bottom:8px}._journey_title_1b79b_43{font-size:28px;font-weight:650;margin:0}._journey_text_1b79b_50{margin-top:10px;margin-bottom:16px;color:#fffffff5;line-height:1.6}._journey_buttons_1b79b_58{display:flex;gap:12px;justify-content:flex-end}._journey_btn_secondary_1b79b_65{padding:10px 14px;border-radius:12px;background:transparent;border:1px solid rgba(255,255,255,.18);color:#d1d5db;cursor:pointer}._journey_btn_primary_1b79b_75{padding:10px 16px;border-radius:12px;background:linear-gradient(90deg,#22d3ee,#a78bfa);color:#0b0b0b;font-weight:600;border:none;cursor:pointer}._logoutOverlay_1o3pe_1{position:fixed;inset:0;z-index:42000;display:grid;place-items:center;padding:16px;background:#0206179e;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:_logoutOverlayIn_1o3pe_1 .18s ease-out}._logoutModal_1o3pe_14{width:min(430px,92vw);border-radius:18px;border:1px solid rgba(148,163,184,.35);padding:20px 20px 16px;color:#f8fafc;background:radial-gradient(120% 120% at 0% 0%,#0ea5e92e,#0f172a00 58%),linear-gradient(140deg,#0f172ae0,#0f172abd);box-shadow:0 24px 64px #0206178c,0 0 0 1px #94a3b81a inset;animation:_logoutModalIn_1o3pe_1 .22s cubic-bezier(.2,.85,.25,1)}._logoutBadge_1o3pe_29{display:inline-flex;align-items:center;justify-content:center;height:24px;padding:0 10px;border-radius:999px;border:1px solid rgba(125,211,252,.35);background:#0ea5e924;color:#bae6fd;font-size:11px;letter-spacing:.08em;text-transform:uppercase;font-weight:700}._logoutTitle_1o3pe_45{margin:12px 0 8px;font-size:clamp(20px,2.4vw,24px);font-weight:700;line-height:1.25;color:#fff}._logoutText_1o3pe_53{margin:0;color:#e2e8f0eb;font-size:14px;line-height:1.65}._logoutActions_1o3pe_60{margin-top:18px;display:flex;justify-content:flex-end;gap:10px}._logoutCancel_1o3pe_67,._logoutConfirm_1o3pe_68{border:none;min-width:104px;height:38px;padding:0 14px;border-radius:11px;font-size:13px;font-weight:650;cursor:pointer;transition:transform .14s ease,box-shadow .18s ease,border-color .18s ease,background-color .18s ease}._logoutCancel_1o3pe_67{border:1px solid rgba(148,163,184,.45);background:#0f172a80;color:#e2e8f0}._logoutCancel_1o3pe_67:hover{border-color:#bae6fd73;background:#1e293bb8}._logoutConfirm_1o3pe_68{border:1px solid rgba(248,113,113,.55);background:linear-gradient(125deg,#ef4444f5,#b91c1cf5);color:#fff;box-shadow:0 10px 20px #b91c1c40}._logoutConfirm_1o3pe_68:hover{transform:translateY(-1px);box-shadow:0 14px 28px #b91c1c59}._logoutCancel_1o3pe_67:focus-visible,._logoutConfirm_1o3pe_68:focus-visible{outline:2px solid rgba(125,211,252,.9);outline-offset:2px}@keyframes _logoutOverlayIn_1o3pe_1{0%{opacity:0}to{opacity:1}}@keyframes _logoutModalIn_1o3pe_1{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media(max-width:560px){._logoutModal_1o3pe_14{padding:18px 16px 14px;border-radius:16px}._logoutActions_1o3pe_60{margin-top:16px}._logoutCancel_1o3pe_67,._logoutConfirm_1o3pe_68{min-width:96px;height:36px}}.user-rank-display{--rank-accent: #3b82f6;--rank-accent-soft: #1d4ed8;--rank-accent-warm: #bfdbfe;--rank-accent-contrast: #22d3ee;--rank-bg-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);--rank-border-gradient: linear-gradient(45deg, #3b82f6, #60a5fa, #93c5fd);--rank-panel-a: rgba(8, 18, 42, .9);--rank-panel-b: rgba(30, 58, 138, .84);--rank-glow: rgba(96, 165, 250, .4);--rank-text-main: #eff6ff;--rank-text-soft: #dbeafe;--rank-text-subtle: #93c5fd;--rank-fire-a: #fbbf24;--rank-fire-b: #f97316;--rank-fire-c: #ef4444;--rank-flame: .4;--rank-shine-duration: 2.2s;--rank-aura-duration: 15s;--panel-stroke: rgba(148, 163, 184, .42);position:relative;color:var(--rank-text-main);padding:12px;border-radius:16px;font-family:Sora,Segoe UI,sans-serif;font-size:12px;z-index:10000;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;gap:10px;min-height:170px;min-width:278px;max-width:332px;border:1px solid var(--panel-stroke);background:radial-gradient(130% 140% at 0% 0%,rgba(255,255,255,.14),transparent 42%),radial-gradient(120% 140% at 100% 0%,var(--rank-glow),transparent 58%),var(--rank-bg-gradient),linear-gradient(160deg,var(--rank-panel-a),var(--rank-panel-b));background-blend-mode:screen,normal,soft-light,normal;box-shadow:0 10px 28px #02061752,inset 0 1px #ffffff2e,inset 0 -1px #0f172aa6;box-sizing:border-box;isolation:isolate;overflow:hidden}.user-rank-display.has-progress{grid-template-columns:minmax(0,1fr) 12px;column-gap:10px}.user-rank-display.has-progress .rank-header,.user-rank-display.has-progress .max-rank-indicator{grid-column:1}.user-rank-display:before{content:none}.user-rank-display:after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.08),transparent 36%,rgba(255,255,255,.04) 64%,transparent),radial-gradient(80% 120% at 50% -20%,rgba(255,255,255,.14),transparent 55%);pointer-events:none;z-index:-1}.user-rank-display.divine,.user-rank-display.legendary{border-color:var(--rank-accent-warm);box-shadow:0 12px 30px #02061766,0 0 0 1px #ffffff14 inset,0 0 calc(14px + (var(--rank-flame) * 18px)) var(--rank-glow)}.rank-header{display:flex;flex-direction:column;align-items:stretch;justify-content:space-between;gap:12px;min-height:0}.urd-avatar-and-user{display:flex;align-items:center;gap:10px;min-width:0}.rank-stats-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;border-radius:10px;border:1px solid rgba(148,163,184,.26);background:radial-gradient(120% 120% at 0% 0%,rgba(56,189,248,.1),transparent 55%),linear-gradient(145deg,#0f172a57,#1e293b47);padding:7px 8px;box-sizing:border-box}.rank-next-inline{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1 1 auto}.rank-next-label{color:var(--rank-accent-warm);font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rank-next-points{color:color-mix(in srgb,var(--rank-accent-contrast) 45%,var(--rank-accent-warm));font-family:JetBrains Mono,monospace;font-size:9px;font-weight:700;line-height:1.1}.urd-avatar-shell{padding:0;border:none;background:transparent;cursor:pointer;flex-shrink:0}.urd-avatar-shell:focus-visible .urd-avatar-circle{outline:2px solid var(--rank-accent-warm);outline-offset:2px}.urd-avatar-circle{position:relative;width:40px;height:40px;border-radius:999px;overflow:hidden;border:2px solid var(--rank-accent-warm);background:radial-gradient(circle at 20% 15%,rgba(255,255,255,.22),transparent 48%),linear-gradient(145deg,#0f172af0,#1e293be6);box-shadow:0 8px 18px #0206178f,0 0 0 1px #ffffff1f inset,0 0 16px var(--rank-glow)}.urd-avatar-circle--empty{display:flex;align-items:center;justify-content:center}.urd-avatar-initial{font-size:16px;font-weight:800;color:var(--rank-text-main)}.urd-avatar-image{position:absolute;top:50%;left:50%;width:auto;height:140%;object-fit:cover;transform-origin:center center}.user-info{min-width:0;display:flex;flex-direction:column;gap:3px}.user-rank-display .username{font-size:14px;font-weight:700;color:var(--rank-text-main);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.01em}.urd-teacher-check{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:999px;background:linear-gradient(135deg,var(--rank-accent),var(--rank-accent-contrast));border:1px solid var(--rank-accent-soft);line-height:0;flex-shrink:0}.urd-teacher-check:before{content:"";width:4px;height:7px;border:solid #ffffff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-1px}.rank-tier{display:inline-flex;align-items:center;gap:6px;color:var(--rank-text-soft);font-size:10px;text-transform:uppercase;letter-spacing:.11em;font-weight:600}.rank-name-text{color:var(--rank-accent-warm)}.rank-number-badge{min-height:18px;min-width:20px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:0 7px;background:linear-gradient(135deg,color-mix(in srgb,var(--rank-accent) 36%,transparent),color-mix(in srgb,var(--rank-accent-contrast) 34%,transparent)),#ffffff0f;border:1px solid color-mix(in srgb,var(--rank-accent-contrast) 70%,var(--rank-accent));color:var(--rank-text-main);font-size:10px;font-weight:700}.rank-flavor{color:var(--rank-text-subtle);font-size:10px;line-height:1.2;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.rank-icon-container{position:relative;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:radial-gradient(circle at 35% 30%,var(--rank-accent-contrast),transparent 62%),radial-gradient(circle at 65% 70%,var(--rank-accent),transparent 62%),linear-gradient(145deg,#0f172ab3,#0f172a00);box-shadow:0 0 22px var(--rank-glow)}.rank-icon{font-size:18px;filter:drop-shadow(0 2px 6px rgba(2,6,23,.6))}.rank-glow{position:absolute;inset:-4px;border-radius:999px;border:1px solid color-mix(in srgb,var(--rank-accent-warm) 60%,var(--rank-fire-b));background:radial-gradient(circle,color-mix(in srgb,var(--rank-fire-a) 26%,transparent),transparent 70%);box-shadow:0 0 14px color-mix(in srgb,var(--rank-fire-a) 52%,transparent),0 0 20px color-mix(in srgb,var(--rank-fire-c) 28%,transparent);opacity:.5;animation:rankPulseGlow 2.4s ease-in-out infinite}.fantasy-sparkle{position:absolute;font-size:8px;color:var(--rank-accent-contrast);text-shadow:0 0 8px color-mix(in srgb,var(--rank-accent-contrast) 75%,transparent);animation:sparkleDance 2.1s ease-in-out infinite}.sparkle-1{top:-4px;right:-2px}.sparkle-2{bottom:-4px;left:-3px;animation-delay:.35s}.sparkle-3{top:50%;right:-7px;transform:translateY(-50%);animation-delay:.7s}.rank-score-display{margin-left:0;text-align:right;min-width:64px}.score-label{display:block;font-size:8px;letter-spacing:.14em;color:var(--rank-text-subtle);text-transform:uppercase;font-weight:600}.user-rank-display .score-value{display:inline-flex;align-items:center;justify-content:center;margin-top:2px;min-width:44px;min-height:23px;padding:0 8px;border-radius:10px;background:radial-gradient(circle at 20% 0%,color-mix(in srgb,var(--rank-fire-a) 74%,transparent),transparent 62%),radial-gradient(circle at 100% 100%,color-mix(in srgb,var(--rank-fire-c) 52%,transparent),transparent 74%),radial-gradient(circle at 55% 52%,color-mix(in srgb,var(--rank-accent-contrast) 30%,transparent),transparent 72%),linear-gradient(145deg,#070d1ce6,#1e293bc7);border:1px solid color-mix(in srgb,var(--rank-fire-b) 48%,var(--rank-accent-warm));color:color-mix(in srgb,var(--rank-fire-a) 72%,#ffffff);font-family:JetBrains Mono,monospace;font-size:14px;font-weight:800;text-shadow:0 0 10px color-mix(in srgb,var(--rank-fire-a) 50%,transparent);animation:scoreEmberPulse 3.2s ease-in-out infinite}.rank-progress-section{grid-column:2;grid-row:1 / -1;width:100%;height:100%;min-height:0;padding:0;box-sizing:border-box;border-radius:999px;border:1px solid color-mix(in srgb,var(--rank-accent-contrast) 30%,rgba(148,163,184,.25));background:linear-gradient(145deg,color-mix(in srgb,var(--rank-accent-soft) 24%,rgba(15,23,42,.62)),color-mix(in srgb,var(--rank-accent-contrast) 18%,rgba(30,41,59,.42)));align-self:stretch;justify-self:stretch;pointer-events:none}.rank-progress-bar{position:relative;width:100%;height:100%;min-height:0;border-radius:999px;overflow:hidden;background:linear-gradient(180deg,#0f172aa8,#1e293b8a),repeating-linear-gradient(180deg,rgba(255,255,255,.06) 0px,rgba(255,255,255,.06) 6px,transparent 6px,transparent 12px)}.rank-progress-fill{position:absolute;left:0;bottom:0;width:100%;height:0;border-radius:999px;transition:height .5s ease;background:linear-gradient(180deg,var(--rank-accent-soft),var(--rank-accent),var(--rank-accent-contrast));box-shadow:0 0 14px var(--rank-glow)}.progress-shine{position:absolute;left:0;top:-140%;width:100%;height:40%;background:linear-gradient(180deg,transparent,rgba(255,255,255,.48),transparent);animation:rankShineSweep var(--rank-shine-duration) ease-in-out infinite}.max-rank-indicator{margin-top:0;border-radius:10px;border:1px solid rgba(251,191,36,.62);background:radial-gradient(circle at 50% -20%,rgba(251,191,36,.28),transparent 65%),linear-gradient(135deg,#92400e73,#fb923c42);padding:6px 8px;display:flex;align-items:center;justify-content:center;gap:6px}.max-star{color:#fde68a;animation:rankPulseGlow 1.8s ease-in-out infinite}.max-text{color:#fef3c7;font-size:11px;font-weight:700;letter-spacing:.11em;text-transform:uppercase}.user-rank-display.loading{min-height:132px;justify-content:center;align-items:center;gap:9px}.rank-loading-spinner{width:20px;height:20px;border:2px solid rgba(255,255,255,.25);border-top:2px solid var(--rank-accent-warm);border-radius:50%;animation:rankSpin .75s linear infinite}.urd-avatar-file-input{display:none}.urd-avatar-edit-modal-backdrop{position:fixed;inset:0;background:#020617d1;z-index:20000}.urd-avatar-edit-modal{width:min(330px,92vw);padding:14px;border-radius:14px;background:linear-gradient(150deg,#0f172afa,#1e293bf5);border:1px solid rgba(148,163,184,.5);display:flex;flex-direction:column;gap:10px;box-shadow:0 18px 40px #0206179e}.urd-avatar-edit-header{display:flex;align-items:center;justify-content:space-between}.urd-avatar-edit-title{font-size:12px;color:#f8fafc;font-weight:600}.urd-avatar-edit-preview{display:flex;align-items:center;justify-content:center}.urd-avatar-edit-circle{width:150px;height:150px;border-radius:999px;border:1px solid rgba(148,163,184,.6);overflow:hidden;position:relative;cursor:grab;touch-action:none;background:#0f172abf}.urd-avatar-edit-circle:active{cursor:grabbing}.urd-avatar-edit-image{position:absolute;top:50%;left:50%;width:auto;height:140%;object-fit:cover;transform-origin:center center}.urd-avatar-edit-controls-top,.urd-avatar-edit-controls-bottom{display:flex;align-items:center;gap:8px}.urd-avatar-edit-controls-top{width:100%}.urd-avatar-edit-label{color:#cbd5e1;font-size:10px;min-width:34px}.urd-avatar-edit-slider{flex:1;accent-color:#38bdf8}.urd-avatar-edit-controls-bottom{justify-content:center;flex-wrap:wrap;margin-top:4px}.urd-avatar-button{border:none;border-radius:999px;min-height:30px;min-width:86px;padding:0 12px;font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;background:linear-gradient(135deg,#0f172a,#1e293b);color:#e2e8f0}.urd-avatar-button--ghost{background:transparent;color:#cbd5e1}.urd-avatar-button--primary{background:linear-gradient(135deg,#22c55e,#16a34a);color:#ecfdf5}.urd-avatar-button--danger{background:linear-gradient(135deg,#dc2626,#b91c1c);color:#fee2e2}@keyframes rankSpin{to{transform:rotate(360deg)}}@keyframes rankAuraSpin{to{transform:rotate(360deg)}}@keyframes rankPulseGlow{0%,to{opacity:.45;transform:scale(1)}50%{opacity:.88;transform:scale(1.08)}}@keyframes rankShineSweep{0%{top:-140%}to{top:140%}}@keyframes sparkleDance{0%,to{transform:translateY(0) scale(1);opacity:.75}50%{transform:translateY(-3px) scale(1.18);opacity:1}}@keyframes scoreEmberPulse{0%,to{box-shadow:0 0 #0000,0 0 10px color-mix(in srgb,var(--rank-fire-b) 34%,transparent)}50%{box-shadow:0 0 #0000,0 0 16px color-mix(in srgb,var(--rank-fire-a) 46%,transparent)}}@media(max-width:768px){.user-rank-display{min-width:100%;max-width:none;padding:11px;min-height:168px}.user-rank-display.has-progress{grid-template-columns:minmax(0,1fr) 10px;column-gap:8px}.rank-header{gap:9px}.rank-stats-row{gap:8px;min-height:50px;padding:6px 7px}.rank-next-label{font-size:9px}.rank-next-points{font-size:8px}.rank-progress-section{width:100%}.rank-flavor{display:none}}@media(prefers-reduced-motion:reduce){.user-rank-display:before,.rank-glow,.progress-shine,.fantasy-sparkle,.max-star{animation:none!important}}.urd-avatar-circle{position:relative;width:30px;height:30px;border-radius:999px;overflow:hidden;border:2px solid rgba(148,163,184,.7);background:radial-gradient(circle at 30% 20%,rgba(148,163,184,.45),transparent 55%),radial-gradient(circle at 70% 80%,rgba(30,64,175,.7),transparent 60%),linear-gradient(135deg,#0f172af2,#0f172ae6);box-shadow:0 0 0 1px #0f172ae6,0 3px 6px #0f172acc;transition:transform .16s ease-out,box-shadow .16s ease-out,border-color .16s ease-out,background .16s ease-out}.urd-avatar-circle--clickable{cursor:pointer}.urd-avatar-circle--clickable:focus-visible{outline:2px solid #38bdf8;outline-offset:2px}.urd-avatar-circle--clickable:hover{transform:translateY(-1px) scale(1.02);box-shadow:0 4px 10px #0f172ae6,0 0 0 1px #38bdf880;border-color:#38bdf8cc}.urd-avatar-circle--empty{display:flex;align-items:center;justify-content:center;border-color:#94a3b8cc;color:#e5e7eb}.urd-avatar-initial{font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:linear-gradient(135deg,#e5e7eb,#9ca3af);-webkit-background-clip:text;background-clip:text;color:transparent}.urd-avatar-image{position:absolute;top:50%;left:50%;width:auto;height:140%;object-fit:cover;transform-origin:center center;transition:transform .08s linear}.urd-avatar-preview-backdrop{position:fixed;inset:0;background:#0f172ab3;display:flex;align-items:center;justify-content:center;z-index:22000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.urd-avatar-preview{position:relative;padding:10px 16px 14px;border-radius:18px;background:radial-gradient(circle at 0% 0%,rgba(56,189,248,.25),transparent 55%),radial-gradient(circle at 100% 100%,rgba(251,191,36,.18),transparent 55%),linear-gradient(135deg,#0f172afa,#0f172af5);box-shadow:0 18px 50px #000000e6,0 0 0 1px #0f172ae6;display:flex;flex-direction:column;align-items:center;gap:10px}.urd-avatar-preview-circle{border-radius:999px;overflow:hidden;position:relative;background:radial-gradient(circle at 30% 20%,rgba(148,163,184,.35),transparent 55%),radial-gradient(circle at 70% 80%,#0f172ae6,#0f172afa);border:1px solid rgba(148,163,184,.8);box-shadow:0 0 0 1px #0f172a,0 12px 30px #000000e6}.urd-avatar-preview-image{position:absolute;top:50%;left:50%;width:auto;height:140%;object-fit:cover;transform-origin:center center}.urd-avatar-preview-close{position:absolute;top:6px;right:8px;width:22px;height:22px;border-radius:999px;border:1px solid rgba(148,163,184,.7);background:#0f172ae6;color:#f8fafce6;font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;text-transform:uppercase}.urd-avatar-preview-close:hover{background:#0f172a;border-color:#f8fafce6}.leaderboard-table{--lb-text-main: #f8fbff;--lb-text-muted: #cdd8ea;--lb-border: rgba(148, 163, 184, .44);--lb-card-glow: rgba(34, 211, 238, .18);--lb-accent-a: #22d3ee;--lb-accent-b: #f59e0b;--lb-accent-c: #f472b6;position:fixed;top:130px;left:15px;color:var(--lb-text-main);border-radius:18px;font-family:Sora,Inter,Segoe UI,sans-serif;z-index:9999;display:flex;flex-direction:column;min-width:280px;max-width:320px;background:radial-gradient(110% 140% at 0% 0%,rgba(34,211,238,.16),transparent 50%),radial-gradient(120% 160% at 100% 0%,rgba(245,158,11,.14),transparent 56%),radial-gradient(95% 140% at 100% 100%,rgba(244,114,182,.13),transparent 62%),linear-gradient(160deg,#080f24db,#121a34d6);border:1px solid var(--lb-border);box-shadow:0 16px 28px #0206174d,0 0 0 1px #ffffff0f inset,0 0 24px var(--lb-card-glow);box-sizing:border-box;overflow:hidden;height:100%;min-height:0;isolation:isolate}.leaderboard-open{padding:14px;display:flex;flex-direction:column;gap:4px;min-height:0}.leaderboard-header{display:flex;flex-direction:column;gap:3px;padding-bottom:11px;border-bottom:1px solid rgba(148,163,184,.24)}.leaderboard-title{margin:0;font-size:15px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#fef9c3;text-shadow:0 1px 8px rgba(245,158,11,.24)}.leaderboard-subtitle{font-size:11px;color:var(--lb-text-muted);letter-spacing:.01em}.leaderboard-content{margin-top:4px;flex:1;min-height:0;overflow-y:auto;overflow-x:hidden;padding:3px 5px 5px 1px;scrollbar-gutter:stable;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;contain:layout paint;transform:translateZ(0)}.leaderboard-content::-webkit-scrollbar{width:6px}.leaderboard-content::-webkit-scrollbar-thumb{border-radius:999px;background:linear-gradient(180deg,#22d3eee6,#a78bfad6)}.leaderboard-rows{display:flex;flex-direction:column;gap:7px;padding:1px 0 3px}.leaderboard-separator{height:0;margin:0 6px 1px;border-top:1px dashed rgba(148,163,184,.62)}.leaderboard-row{position:relative;z-index:0;display:flex;align-items:center;gap:7px;min-height:38px;padding:6px 8px;border-radius:11px;border:1px solid rgba(148,163,184,.3);background:linear-gradient(135deg,#091024bd,#18213e8f),radial-gradient(120% 200% at 0% 0%,rgba(34,211,238,.09),transparent 55%);transition:border-color .14s ease,background .14s ease;will-change:auto}.leaderboard-row:hover{z-index:3;border-color:#5eead4c7;background:linear-gradient(135deg,#101934d6,#202c4db8),radial-gradient(100% 160% at 0% 0%,rgba(56,189,248,.2),transparent 56%);box-shadow:0 0 0 1px #22d3ee29 inset}.leaderboard-row.top-three{border-color:#fbbf249e;background:linear-gradient(135deg,#38200ac7,#4a241594),radial-gradient(100% 160% at 0% 0%,rgba(251,191,36,.2),transparent 58%)}.leaderboard-row.current-user{border-color:#2dd4bfeb;box-shadow:0 0 0 1px #2dd4bf66 inset,0 0 20px #2dd4bf33}.leaderboard-row.current-user-detached{border-style:dashed}.rank-section{width:48px;flex-shrink:0}.rank-number-badge-small{min-height:20px;border-radius:999px;border:1px solid rgba(148,163,184,.58);background:linear-gradient(145deg,#111827e0,#1e293bb8);color:#dbeafe;display:inline-flex;align-items:center;justify-content:center;padding:0 7px;font-size:9px;font-weight:700;letter-spacing:.04em;box-shadow:0 1px #ffffff1f inset}.rank-number-badge-top{border-color:#fbbf24f0;background:linear-gradient(135deg,#f59e0bf5,#f472b6c2);color:#fff7ed;text-shadow:0 1px 4px rgba(15,23,42,.36)}.user-section{flex:1;min-width:0}.leaderboard-user-with-avatar{display:flex;align-items:center;gap:6px}.leaderboard-table .username{display:inline-flex;align-items:center;gap:4px;min-width:0}.leaderboard-username-text{font-size:11px;font-weight:700;color:#f8fafc;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:.01em}.leaderboard-teacher-check{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;border-radius:999px;background:linear-gradient(135deg,#22d3ee,#a78bfa);border:1px solid rgba(125,211,252,.82);line-height:0;flex-shrink:0}.leaderboard-teacher-check:before{content:"";width:3px;height:6px;border:solid #ffffff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-1px}.score-section{flex-shrink:0}.leaderboard-table .score-value{min-width:48px;min-height:22px;padding:0 6px;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;border:1px solid rgba(253,224,71,.48);background:radial-gradient(circle at 0% 0%,rgba(34,211,238,.24),transparent 62%),linear-gradient(135deg,#301807c7,#4a2410b8);font-family:JetBrains Mono,Consolas,monospace;font-size:12px;font-weight:800;color:#fef3c7;letter-spacing:.02em;text-shadow:0 0 8px rgba(245,158,11,.35)}.leaderboard-show-more{margin-top:5px;min-height:32px;border-radius:10px;border:1px solid rgba(148,163,184,.42);background:linear-gradient(135deg,#0f172a9e,#1e293b7a),radial-gradient(120% 180% at 100% 0%,rgba(56,189,248,.14),transparent 58%);color:#e2e8f0;font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:none;cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease,color .16s ease}.leaderboard-show-more:hover{transform:translateY(-1px);color:#f8fafc;border-color:#7dd3fca8;box-shadow:0 8px 16px #0206173d,0 0 0 1px #7dd3fc2e inset}.leaderboard-show-more:disabled{cursor:not-allowed;opacity:.46;transform:none;border-color:#94a3b86b;box-shadow:none}.no-data{min-height:90px;display:flex;align-items:center;justify-content:center}.no-data-text{font-size:12px;color:#d1d9e8}.leaderboard-table.loading{min-height:120px;align-items:center;justify-content:center;gap:8px}.leaderboard-loading-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.2);border-top:2px solid var(--lb-accent-a);border-right:2px solid var(--lb-accent-b);border-radius:50%;animation:lbSpin 1s linear infinite}@keyframes lbSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.leaderboard-table{min-width:100%;max-width:none;border-radius:16px}.leaderboard-open{padding:12px}.leaderboard-title{font-size:14px}.leaderboard-row{min-height:42px;padding:8px 9px}}.daily-streak-popup-overlay{position:fixed;inset:0;background:radial-gradient(circle at center,#000000b3,#000000e6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:41000;padding:16px;opacity:0;transition:all .4s cubic-bezier(.34,1.56,.64,1)}.daily-streak-popup-overlay.show{opacity:1}.daily-streak-popup-container{position:relative;width:100%;max-width:420px;padding:0 20px}.daily-streak-popup{background:linear-gradient(145deg,#fffffff2,#f8fafcf2);border-radius:24px;padding:32px;box-shadow:0 20px 60px #0000004d,0 0 0 1px #ffffff1a,inset 0 1px #fff3;border:2px solid transparent;background-clip:padding-box;position:relative;transform:translateY(-30px) scale(.9) rotate(-2deg);opacity:0;transition:all .6s cubic-bezier(.34,1.56,.64,1);text-align:center;min-height:240px;display:flex;flex-direction:column;justify-content:center;overflow:hidden}.daily-streak-popup:before{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 0%,rgba(78,205,196,.1) 25%,rgba(255,107,107,.1) 50%,rgba(255,215,0,.1) 75%,transparent 100%);border-radius:24px;animation:shimmer 3s ease-in-out infinite;pointer-events:none}.daily-streak-popup.animate{transform:translateY(0) scale(1) rotate(0);opacity:1}.daily-streak-popup.animate:after{animation:glowPulse 2s ease-in-out infinite}.daily-streak-popup:after{content:"";position:absolute;inset:-2px;background:linear-gradient(45deg,#4ecdc4,#ff6b6b,#ffd93d,#4ecdc4);border-radius:26px;z-index:-1;opacity:0;transition:opacity .3s ease}.streak-header{margin-bottom:20px;position:relative}.streak-icon{font-size:40px;margin-bottom:12px;filter:drop-shadow(0 0 10px currentColor);animation:iconGlow 2s ease-in-out infinite alternate}@keyframes iconGlow{0%{filter:drop-shadow(0 0 10px currentColor)}to{filter:drop-shadow(0 0 20px currentColor) brightness(1.2)}}.streak-header h3{margin:0;color:#1a202c;font-size:22px;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.1);letter-spacing:-.5px}.streak-content{flex:1;display:flex;flex-direction:column;justify-content:center;position:relative}.greeting{margin:0 0 12px;color:#4a5568;font-size:17px;font-weight:500;opacity:0;animation:fadeInUp .6s ease .2s both}.congratulation{margin:0 0 20px;color:#2d3748;font-size:20px;font-weight:600;background:linear-gradient(45deg,#4a5568,#2d3748);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;opacity:0;animation:fadeInUp .6s ease .4s both}.streak-info{margin-top:12px;opacity:0;animation:fadeInUp .6s ease .6s both}.streak-number{font-size:56px;font-weight:900;margin-bottom:8px;text-shadow:0 2px 4px rgba(0,0,0,.1),0 0 20px currentColor;background:linear-gradient(45deg,currentColor 0%,rgba(255,255,255,.8) 50%,currentColor 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:numberBounce .8s ease .8s both}@keyframes numberBounce{0%{transform:scale(.5);opacity:0}50%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.streak-label{color:#718096;font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:1px}.streak-close-btn{position:absolute;top:16px;right:16px;background:#ffffffe6;border:1px solid rgba(0,0,0,.1);font-size:18px;color:#666;cursor:pointer;padding:8px;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:0 2px 8px #0000001a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.streak-close-btn:hover{background:#fff;color:#333;transform:scale(1.1);box-shadow:0 4px 16px #0003}@media(max-width:600px){.daily-streak-popup-container{max-width:75%;padding:0 15px}.daily-streak-popup{padding:28px 24px;min-height:220px;border-radius:20px}.streak-icon{font-size:36px}.streak-header h3{font-size:20px}.greeting{font-size:16px}.congratulation{font-size:18px}.streak-number{font-size:48px}.streak-label{font-size:14px}}:root{--primary: rgba(139, 92, 246, .8);--secondary: rgba(59, 130, 246, .8);--accent: rgba(16, 185, 129, .8);--bg-overlay: rgba(8, 8, 16, .95);--bg-card: rgba(255, 255, 255, .03);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--border: rgba(139, 92, 246, .2)}.notification-settings-overlay{position:fixed;inset:0;background:transparent;-webkit-backdrop-filter:blur(25px);backdrop-filter:blur(25px);display:flex;align-items:center;justify-content:center;z-index:42000;padding:16px;animation:fadeIn .3s ease}.notification-settings-modal{background:linear-gradient(145deg,var(--bg-overlay),rgba(18,18,30,.95),rgba(12,12,24,.95),rgba(6,6,12,.95));border-radius:16px;border:1px solid var(--border);box-shadow:0 20px 60px #0009,inset 0 1px #ffffff26;max-width:320px;width:min(320px,calc(100vw - 32px));max-height:calc(100dvh - 32px);overflow:auto;display:flex;flex-direction:column;position:relative;animation:slideUp .3s cubic-bezier(.34,1.56,.64,1)}.notification-settings-modal:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent));box-shadow:0 0 20px var(--primary)}@keyframes slideUp{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.settings-header{display:flex;justify-content:space-between;align-items:center;padding:16px 18px 12px;border-bottom:1px solid var(--border);background:linear-gradient(135deg,#8b5cf61a,#3b82f614,#10b9810f)}.settings-header h3{margin:0;font-size:15px;font-weight:700;letter-spacing:-.2px;background:linear-gradient(135deg,#fff,#bae6fde6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 8px var(--primary)}.settings-close-btn{background:#ffffff0d;border:1px solid var(--border);font-size:14px;color:var(--text-secondary);cursor:pointer;padding:4px;border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 2px 8px #0000001a}.settings-close-btn:hover{background:#ef444426;border-color:#ef444480;color:#fca5a5;transform:scale(1.1);box-shadow:0 4px 16px #ef44444d}.settings-loading{padding:35px 30px;text-align:center;color:var(--text-secondary);font-size:14px}.settings-content{padding:12px 16px;flex:1}.setting-group{margin-bottom:12px;padding:12px;border-radius:10px;border:1px solid rgba(139,92,246,.15);background:linear-gradient(145deg,var(--bg-card),rgba(139,92,246,.02));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 4px 12px #0000001a,inset 0 1px #ffffff0d;transition:all .3s ease}.setting-group:hover{border-color:var(--border);transform:translateY(-1px);box-shadow:0 6px 20px #8b5cf626,inset 0 1px #ffffff14}.setting-group:last-child{margin-bottom:0}.setting-item{display:flex;align-items:space-between;margin-bottom:10px}.setting-item:last-child{margin-bottom:0}.setting-item.frequency{flex-direction:column;align-items:flex-start;margin-top:10px;padding-top:10px;border-top:1px solid rgba(255,255,255,.1)}.setting-item.frequency.disabled{opacity:.3;pointer-events:none;filter:grayscale(.5) blur(.5px);transform:scale(.98)}.setting-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--text-primary);cursor:pointer;transition:color .2s ease}.setting-label:hover{color:#60a5fa}.setting-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary);cursor:pointer;border-radius:4px;background:var(--bg-card);border:2px solid var(--border);transition:all .3s ease}.setting-label input[type=checkbox]:checked{background:linear-gradient(135deg,var(--primary),var(--secondary));border-color:var(--primary);box-shadow:0 0 12px var(--primary)}.setting-item.frequency label{font-size:12px;font-weight:500;color:var(--text-secondary);margin-bottom:4px}.frequency-buttons{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.frequency-btn{width:32px;height:32px;border:2px solid var(--border);border-radius:8px;background:linear-gradient(145deg,var(--bg-card),rgba(139,92,246,.05));color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 6px #0000001a}.frequency-btn:hover:not(:disabled){background:linear-gradient(145deg,#8b5cf626,#3b82f61a);border-color:#8b5cf699;color:#bae6fde6;transform:translateY(-2px);box-shadow:0 4px 16px #8b5cf64d}.frequency-btn.active{background:linear-gradient(135deg,var(--primary),var(--secondary));border-color:var(--primary);color:#fff;box-shadow:0 6px 20px #8b5cf680,inset 0 1px #fff3}.frequency-btn:disabled{opacity:.3;cursor:not-allowed}.settings-footer{padding:16px 20px 20px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:center}.settings-save-btn{background:linear-gradient(135deg,var(--primary),var(--secondary),var(--accent));color:#fff;border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:12px 32px;font-size:14px;font-weight:700;cursor:pointer;text-transform:uppercase;letter-spacing:.8px;width:100%;max-width:240px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 24px #8b5cf666,inset 0 1px #fff3;position:relative;overflow:hidden}.settings-save-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s ease}.settings-save-btn:hover:not(:disabled):before{left:100%}.settings-save-btn:hover:not(:disabled){background:linear-gradient(135deg,#9333ea,#3b82f6,#059669);transform:translateY(-3px);box-shadow:0 12px 32px #8b5cf699}.settings-save-btn:disabled{background:#9ca3af80;cursor:not-allowed;transform:none;box-shadow:none}.settings-saved{display:flex;align-items:center;justify-content:center;gap:8px;color:#a855f7;font-size:16px;font-weight:600;animation:savedPulse .6s ease}@keyframes savedPulse{0%{opacity:0;transform:scale(.8)}50%{opacity:1;transform:scale(1.1)}to{opacity:1;transform:scale(1)}}.saved-icon{font-size:20px;font-weight:700}.saved-text{color:#c084fc;text-shadow:0 0 12px var(--primary)}@media(max-width:600px){.notification-settings-modal{margin:12px;width:calc(100% - 24px)}.settings-header{padding:12px 14px 8px}.settings-header h3{font-size:13px}.settings-content{padding:10px 12px}.setting-group{margin-bottom:10px;padding:8px}.setting-label{font-size:12px;gap:6px}.frequency-buttons{gap:3px}.frequency-btn{width:24px;height:24px;font-size:12px}.settings-footer{padding:12px 14px 14px}.settings-save-btn{padding:10px;font-size:12px}.settings-saved{font-size:13px}.saved-icon{font-size:16px}}.notification-bar-container{position:fixed;top:15px;right:15px;z-index:10000;font-family:JetBrains Mono,monospace;display:flex;flex-direction:column;gap:13px;align-items:center}.notification-toggle{width:50px;height:50px;border-radius:50%;border:2px solid rgba(59,130,246,.3);background:linear-gradient(135deg,#0f172af2,#1e293be6);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#e5e7eb;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #0000004d;position:relative}.notification-toggle:hover{transform:scale(1.05);border-color:#3b82f699;box-shadow:0 6px 20px #3b82f633}.notification-toggle.has-unread{animation:pulse 1.5s infinite}.notification-icon-main{font-size:20px;transition:transform .2s ease}.notification-toggle:hover .notification-icon-main{transform:scale(1.1)}.daily-question-toggle{width:45px;height:45px;border-radius:50%;border:2px solid rgba(110,180,255,.9);background:radial-gradient(circle at 0 0,#3b82f6bf,#818cf88c,#0f172aeb);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #3b82f640;position:relative;font-size:18px}.daily-question-toggle:hover{transform:scale(1.05);border-color:#60a5faf2;box-shadow:0 6px 20px #60a5fa59}.content-creation-toggle{width:45px;height:45px;border-radius:50%;border:2px solid rgba(251,191,36,.55);background:radial-gradient(circle at 0 0,#fbbf24bf,#fb923c8c,#0f172aeb);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #fbbf2438;position:relative;font-size:18px}.content-creation-toggle:hover{transform:scale(1.05);border-color:#fbbf24f2;box-shadow:0 6px 20px #fbbf2459}.content-creation-icon{transition:transform .2s ease}.content-creation-toggle:hover .content-creation-icon{transform:scale(1.1) rotate(-4deg)}.teacher-student-toggle{width:45px;height:45px;border-radius:50%;border:2px solid rgba(45,220,245,.85);background:radial-gradient(circle at 0 0,#22d3eebf,#10b9818c,#0f172aeb);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 12px #22d3ee38;position:relative;font-size:18px}.teacher-student-toggle:hover{transform:scale(1.05);border-color:#38bdf8f2;box-shadow:0 6px 20px #22d3ee59}.teacher-student-icon{transition:transform .2s ease}.teacher-student-toggle:hover .teacher-student-icon{transform:scale(1.1) rotate(5deg)}.daily-question-icon{transition:transform .2s ease}.daily-question-toggle:hover .daily-question-icon{transform:scale(1.1) rotate(5deg)}.daily-question-badge{position:absolute;top:-5px;right:-5px;min-width:20px;height:20px;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;border:1px solid white;box-shadow:0 2px 8px #ef444466;z-index:1}.notification-badge{position:absolute;top:-5px;right:-5px;min-width:18px;height:18px;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;border:1px solid rgba(255,255,255,.9)}.notification-tooltip{position:absolute;bottom:65px;left:50%;transform:translate(-50%);background:#0f172af2;color:#e5e7eb;padding:6px 10px;border-radius:8px;font-size:11px;display:none;white-space:nowrap}.notification-toggle:hover .notification-tooltip{display:block}.notification-panel{position:absolute;top:60px;right:0;width:340px;max-height:520px;background:linear-gradient(135deg,#0f172afa,#1e293bf2);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:16px;border:1px solid rgba(148,163,184,.3);box-shadow:0 20px 40px #00000080;animation:slideIn .3s ease;overflow:visible;display:flex;flex-direction:column}.notification-header{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid rgba(148,163,184,.2)}.header-left{display:flex;align-items:center;gap:22px}.header-actions{display:flex;gap:8px}.mark-all-read-button{padding:6px 12px;border-radius:6px;font-size:9px;font-weight:600;text-transform:uppercase;cursor:pointer;transition:all .2s ease;border:1px solid transparent;background:#3b82f633;color:#3b82f6;border-color:#3b82f64d}.mark-all-read-button:hover:not(.disabled){background:#3b82f64d;transform:translateY(-1px)}.mark-all-read-button.disabled{opacity:.5;cursor:not-allowed;background:#94a3b81a;color:#94a3b8;border-color:#94a3b84d}.notification-header h3{margin:0;font-size:16px;font-weight:700;color:#f8fafc}.close-button{background:none;border:none;color:#94a3b8;font-size:18px;cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease}.close-button:hover{color:#f8fafc;background:#94a3b81a}.notification-tabs{display:flex;padding:12px 20px;gap:4px;border-bottom:1px solid rgba(148,163,184,.2)}.tab-button{flex:1;padding:8px 6px;background:none;border:none;color:#94a3b8;font-size:9px;font-weight:600;text-transform:uppercase;cursor:pointer;border-radius:6px;transition:all .2s ease}.tab-button:hover{color:#e5e7eb;background:#3b82f61a}.tab-button.active{color:#3b82f6;background:#3b82f626}.notifications-list{max-height:320px;overflow-y:auto;padding:8px 0}.notifications-list::-webkit-scrollbar{width:4px}.notifications-list::-webkit-scrollbar-track{background:#0f172a33}.notifications-list::-webkit-scrollbar-thumb{background:#3b82f680;border-radius:2px}.notification-item{display:flex;align-items:flex-start;padding:14px 20px;cursor:pointer;transition:all .2s ease;border-bottom:1px solid rgba(148,163,184,.1);margin:2px 8px;border-radius:6px}.notification-item:hover{background:#3b82f60d}.notification-item.unread{background:#3b82f608;border-left:3px solid #3b82f6}.notification-item.read{opacity:.7}.notification-item.clickable{cursor:pointer;transition:all .2s ease}.notification-item.clickable:hover{background:#3b82f614;transform:translate(2px)}.notification-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:#ffffff0d;margin-right:12px;font-size:16px;flex-shrink:0}.notification-content{flex:1;min-width:0}.notification-title{font-size:13px;font-weight:600;color:#f8fafc;margin-bottom:4px;line-height:1.3}.notification-item.read .notification-title{color:#94a3b8;font-weight:500}.notification-message{font-size:11px;color:#94a3b8;line-height:1.4;margin-bottom:4px}.notification-time{font-size:10px;color:#64748b;font-weight:500}.notification-actions{margin-left:auto;flex-shrink:0}.read-button{width:24px;height:24px;border-radius:6px;border:none;background:#3b82f633;color:#3b82f6;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;font-weight:700;transition:all .2s ease}.read-button:hover{background:#3b82f64d;transform:scale(1.1)}.read-indicator{width:24px;height:24px;border-radius:6px;background:#6b728033;color:#6b7280;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.no-notifications{padding:40px 20px;text-align:center;color:#64748b;font-size:13px}.header-right{display:flex;align-items:center;gap:8px;width:23%}.settings-button{background:none;border:none;color:#94a3b8;font-size:16px;cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease;margin-right:8px}.settings-button:hover{background:#3b82f61a;color:#3b82f6}@keyframes slideIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:700px){.notification-bar-container{top:10px;right:10px}.notification-toggle{width:45px;height:45px}.notification-icon-main{font-size:18px}.notification-badge{min-width:16px;height:16px;font-size:9px}.notification-tooltip{display:none}.notification-panel{width:300px;max-height:400px;right:-5px}.notification-header{padding:14px 16px}.notification-header h3{font-size:14px}.tab-button{font-size:7px;padding:6px 4px}.notification-item{padding:12px 16px}.notification-icon{width:28px;height:28px;font-size:14px;margin-right:10px}.notification-title{font-size:12px}.notification-message{font-size:10px}.notification-time{font-size:9px}.read-button,.read-indicator{width:22px;height:22px;font-size:11px}.mark-all-read-button{padding:5px 10px;font-size:7px}.header-right{width:26%}.notification-panel{max-height:400px!important}.forum-main-container{max-height:260px!important}.forum-item-title{font-size:12px!important}.forum-item-preview{font-size:10px!important}.forum-item-author,.forum-item-date,.forum-item-status{font-size:9px!important}.forum-view-btn{font-size:9px!important;padding:5px 8px!important}.forum-section-header{padding:6px 12px 4px!important}.forum-section-label{font-size:11px!important}.forum-section-count{font-size:10px!important}}.forum-actions{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.08);background:#00000005;display:flex!important;justify-content:center!important;align-items:center!important;flex-shrink:0!important}.forums-tabs{flex-shrink:0!important}.create-forum-button{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;padding:8px 14px;border-radius:5px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:5px}.create-forum-button:hover{transform:translateY(-1px);box-shadow:0 2px 8px #6366f14d}.create-forum-button:active{transform:translateY(0)}.browse-forums-button{background:linear-gradient(135deg,#06b6d4,#0891b2);color:#fff;border:none;padding:8px 14px;border-radius:5px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:5px;margin-left:8px}.browse-forums-button:hover{transform:translateY(-1px);box-shadow:0 2px 8px #06b6d44d}.browse-forums-button:active{transform:translateY(0)}.forum-main-container{display:flex;flex-direction:column;flex:1;min-height:0;height:auto;max-height:380px}.forum-scroll-wrapper{flex:1;min-height:0;height:100%;max-height:none;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:rgba(59,130,246,.6) rgba(15,23,42,.3)}.forum-scroll-wrapper::-webkit-scrollbar{width:6px}.forum-scroll-wrapper::-webkit-scrollbar-track{background:#0f172a4d;border-radius:3px}.forum-scroll-wrapper::-webkit-scrollbar-thumb{background:#3b82f699;border-radius:3px;border:1px solid rgba(15,23,42,.3)}.forum-scroll-wrapper::-webkit-scrollbar-thumb:hover{background:#3b82f6cc}.forum-sections-container{padding:8px 0;min-height:0;flex:1}.forum-section-pending,.forum-section-approved{margin-bottom:16px}.forum-section-pending:last-child,.forum-section-approved:last-child{margin-bottom:0}.forum-section-header{display:flex;align-items:center;gap:8px;padding:8px 16px 6px;margin-bottom:8px;border-bottom:1px solid rgba(255,255,255,.08)}.forum-section-icon{font-size:14px;opacity:.8}.forum-section-label{font-size:12px;font-weight:600;color:#e2e8f0;text-transform:uppercase;letter-spacing:.5px;flex:1}.forum-section-count{font-size:11px;color:#fff9;font-weight:500}.forum-items-list{padding:0 8px}.forum-list-item{background:linear-gradient(135deg,#ffffff0a,#ffffff05);border:1px solid rgba(255,255,255,.06);border-radius:8px;margin-bottom:8px;padding:12px 14px;transition:all .3s cubic-bezier(.4,0,.2,1);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:relative;overflow:hidden;display:flex;align-items:flex-start;gap:12px}.forum-list-item:hover{background:linear-gradient(135deg,#ffffff14,#ffffff0a);transform:translateY(-1px);box-shadow:0 4px 12px #00000026;border-color:#3b82f633}.forum-pending-item{border-left:3px solid #f59e0b}.forum-approved-item{border-left:3px solid #10b981}.forum-closed-item{border-left:3px solid #dc3545}.forum-closed-item .forum-item-title{color:#fff}.forum-closed-badge{margin-left:6px;font-size:12px;opacity:.8}.forum-status-closed{color:#dc3545;font-weight:500;font-size:11px;margin-left:8px}.forum-item-content{flex:1;min-width:0}.forum-item-title{font-size:13px;font-weight:600;color:#f8fafc;margin-bottom:4px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.forum-item-preview{font-size:11px;color:#cbd5e1;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;opacity:.85}.forum-item-footer{display:flex;justify-content:space-between;align-items:center;gap:8px}.forum-item-author,.forum-item-date,.forum-item-status{font-size:10px;font-weight:500;opacity:.75}.forum-item-author,.forum-item-date{color:#94a3b8}.forum-item-status{color:#f59e0b;text-transform:uppercase;letter-spacing:.3px;font-weight:600}.forum-item-actions-new{flex-shrink:0;margin-left:auto}.forum-view-btn{background:linear-gradient(135deg,#3b82f633,#6366f126);color:#93c5fd;border:1px solid rgba(59,130,246,.3);padding:6px 10px;border-radius:5px;font-size:10px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-transform:uppercase;letter-spacing:.5px;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.forum-view-btn:hover{background:linear-gradient(135deg,#3b82f666,#6366f14d);transform:translateY(-1px);box-shadow:0 3px 8px #3b82f64d;color:#dbeafe;border-color:#3b82f680}.forum-empty-state{text-align:center;padding:32px 16px;color:#fff9}.empty-icon{font-size:32px;margin-bottom:12px;opacity:.5}.empty-text{font-size:14px;font-weight:500;margin-bottom:4px}.empty-subtext{font-size:12px;opacity:.7}.forum-creation-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.forum-creation-modal{background:#f8fafc;border-radius:8px;box-shadow:0 4px 20px #00000026;width:90%;max-width:500px;max-height:85vh;overflow-y:auto;animation:modalSlideIn .3s ease-out;border:1px solid #e2e8f0}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.forum-creation-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid #e2e8f0;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border-radius:8px 8px 0 0}.forum-creation-header h3{margin:0;font-size:1.1rem;font-weight:600}.forum-creation-close{background:none;border:none;color:#fff;font-size:18px;cursor:pointer;padding:2px;border-radius:3px;transition:background-color .2s}.forum-creation-close:hover:not(:disabled){background:#fff3}.forum-creation-close:disabled{opacity:.5;cursor:not-allowed}.forum-creation-body{padding:16px 20px}.forum-creation-success{text-align:center;padding:16px 0}.success-icon{font-size:2.5rem;margin-bottom:12px}.forum-creation-success h4{color:#059669;margin:0 0 6px;font-size:1rem;font-weight:600}.forum-creation-success p{color:#64748b;margin:0;line-height:1.4;font-size:.9rem}.forum-form-group{margin-bottom:16px}.forum-form-group label{display:block;margin-bottom:6px;font-weight:600;color:#374151;font-size:.85rem}.forum-form-group input,.forum-form-group textarea{width:100%;padding:10px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:.7rem;font-family:inherit;transition:border-color .2s,box-shadow .2s;box-sizing:border-box;background:#fff}.forum-form-group input:focus,.forum-form-group textarea:focus{outline:none;border-color:#6366f1;box-shadow:0 0 0 2px #6366f11a}.forum-form-group input:disabled,.forum-form-group textarea:disabled{background:#f8f9fa;cursor:not-allowed;opacity:.7}.forum-form-group textarea{resize:vertical;min-height:100px;line-height:1.5}.char-count{text-align:right;font-size:.8rem;color:#9ca3af;margin-top:3px}.error-message{background:#fef2f2;color:#dc2626;padding:8px 12px;border-radius:4px;margin-bottom:12px;border:1px solid #fecaca;display:flex;align-items:center;gap:6px;font-size:.85rem}.forum-form-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.forum-cancel-button,.forum-submit-button{padding:8px 16px;border:none;border-radius:5px;font-size:.9rem;font-weight:500;cursor:pointer;transition:all .2s;min-width:80px}.forum-cancel-button{background:#6b7280;color:#fff}.cancel-button:hover:not(:disabled){background:#4b5563}.forum-submit-button{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff}.submit-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 2px 8px #6366f14d}.submit-button:disabled,.cancel-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.forum-creation-footer{padding:12px 20px;background:#f1f5f9;border-top:1px solid #e2e8f0;border-radius:0 0 8px 8px}.info-text{margin:0;font-size:.8rem;color:#64748b;line-height:1.4;display:flex;align-items:flex-start;gap:6px}@media(max-width:768px){.forum-creation-modal{width:95%;margin:8px}.forum-creation-header,.forum-creation-body,.forum-creation-footer{padding:14px 16px}.forum-creation-header h3{font-size:1rem}.forum-form-actions{flex-direction:column}.forum-cancel-button,.forum-submit-button{width:100%}}.daily-question-overlay{position:fixed;inset:0;background:radial-gradient(circle at center,#000000b3,#000000e6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;z-index:10000;opacity:0;transition:all .4s cubic-bezier(.34,1.56,.64,1)}.daily-question-overlay.show{opacity:1}.daily-question-popup{background:linear-gradient(145deg,#fff,#f8fafc,#f1f5f9);border-radius:16px;padding:28px;box-shadow:0 20px 60px #0000001f,0 8px 32px #00000014,0 0 0 1px #94a3b81a;border:1px solid rgba(148,163,184,.15);background-clip:padding-box;position:relative;transform:translateY(-20px) scale(.95);opacity:0;transition:all .5s cubic-bezier(.25,.46,.45,.94);text-align:center;min-height:340px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;max-width:420px;width:100%}.daily-question-popup:before{content:"";position:absolute;inset:0;background:linear-gradient(45deg,transparent 0%,rgba(99,102,241,.1) 25%,rgba(168,85,247,.1) 50%,rgba(236,72,153,.1) 75%,transparent 100%);border-radius:24px;animation:shimmer 3s ease-in-out infinite;pointer-events:none}@keyframes shimmer{0%,to{opacity:0}50%{opacity:1}}.daily-question-popup.animate{transform:translateY(0) scale(1) rotate(0);opacity:1}.daily-question-popup.animate:after{animation:glowPulse 2s ease-in-out infinite}.daily-question-popup:after{content:"";position:absolute;inset:-2px;background:linear-gradient(45deg,#6366f1,#a855f7,#ec4899,#6366f1);border-radius:26px;z-index:-1;opacity:0;transition:opacity .3s ease}@keyframes glowPulse{0%,to{opacity:.3}50%{opacity:.8}}.daily-question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;position:relative}.daily-question-header h2{margin:0;color:#0f172a;font-size:22px;font-weight:700;letter-spacing:-.4px;background:linear-gradient(135deg,#1e293b,#334155);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.daily-question-close{background:#64748b1a;border:none;font-size:16px;color:#64748b;cursor:pointer;padding:8px;border-radius:8px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.daily-question-close:hover{background:#64748b33;color:#475569;transform:scale(1.05)}.daily-question-content{flex:1;display:flex;flex-direction:column;justify-content:center;position:relative}.daily-question-greeting{margin-bottom:20px;opacity:0;animation:fadeInUp .5s ease .1s both}.daily-question-emoji{font-size:32px;margin-bottom:8px;display:block;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.daily-question-greeting h3{margin:0 0 6px;color:#1f2937;font-size:18px;font-weight:600;letter-spacing:-.3px}.daily-question-greeting p{margin:0;color:#4b5563;font-size:14px;font-weight:400;line-height:1.4}.daily-question-placeholder{text-align:center;opacity:0;animation:fadeInUp .6s ease .4s both}.daily-question-placeholder p{margin:0;color:#718096;font-size:16px;font-style:italic}.daily-question-progress{margin-bottom:16px}.progress-bar{width:100%;height:6px;background:#94a3b833;border-radius:3px;overflow:hidden;margin-bottom:8px;box-shadow:inset 0 1px 3px #00000014}.progress-fill{height:100%;background:linear-gradient(90deg,#3b82f6,#6366f1,#8b5cf6);border-radius:3px;transition:width .5s cubic-bezier(.4,0,.2,1);box-shadow:0 0 12px #3b82f666}.progress-text{font-size:12px;color:#64748b;text-align:center;font-weight:600;letter-spacing:.8px;text-transform:uppercase}.daily-question-question{margin-bottom:20px}.question-header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.daily-question-question h4{margin:0;color:#0f172a;font-size:17px;font-weight:600;letter-spacing:-.3px}.question-score-badge{background:linear-gradient(135deg,#3b82f6,#6366f1);color:#fff;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:700;letter-spacing:.5px;box-shadow:0 2px 8px #3b82f64d}.daily-question-question p{margin:0;color:#0f172a;font-size:15px;line-height:1.5;font-weight:400}.daily-question-options{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:20px}.option-button{display:flex;align-items:center;padding:14px 16px;border:2px solid rgba(148,163,184,.25);border-radius:10px;background:#e2e8f0e6;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);text-align:left;position:relative;box-shadow:0 2px 4px #00000014;min-height:52px}.option-button:hover:not(:disabled){border-color:#3b82f680;background:#3b82f61f;box-shadow:0 4px 12px #3b82f626;transform:translateY(-1px)}.option-button.selected{border-color:#2563eb;border-width:3px;background:#2563eb40;box-shadow:0 4px 16px #2563eb59}.option-button.correct{border-color:#047857;background:#0478571f;box-shadow:0 4px 16px #04785740}.option-button.incorrect{border-color:#dc2626;background:#dc26261f;box-shadow:0 4px 16px #dc262640}.option-button:disabled{cursor:default}.option-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:6px;background:#47556933;color:#1e293b;font-weight:700;font-size:13px;margin-right:12px;flex-shrink:0;transition:all .25s ease}.option-button.selected .option-letter{background:#2563eb;color:#fff}.option-button.correct .option-letter{background:#059669;color:#fff}.option-button.incorrect .option-letter{background:#dc2626;color:#fff}.daily-question-options .option-text{flex:1;font-size:14px;color:#000;font-weight:500;line-height:1.4}.correct-indicator,.incorrect-indicator{margin-left:auto;font-size:16px;font-weight:600}.daily-question-result{margin-bottom:20px}.result-message{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:10px;font-weight:600;font-size:14px;letter-spacing:-.2px}.result-message.correct{background:#0596691a;border:2px solid rgba(5,150,105,.25);color:#064e3b}.result-message.incorrect{background:#dc26261a;border:2px solid rgba(220,38,38,.25);color:#991b1b}.result-icon{font-size:20px;opacity:.9}.daily-question-loading,.daily-question-error{text-align:center;padding:32px 20px}.loading-spinner{width:32px;height:32px;border:3px solid rgba(0,0,0,.08);border-top:3px solid #6366f1;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 12px}.final-score{text-align:center;width:100%}.final-score h4{margin:0 0 8px;color:#0f172a;font-size:20px;font-weight:700;letter-spacing:-.3px}.final-score p{margin:0 0 18px;color:#374151;font-size:16px;font-weight:600}.auto-next-message{text-align:center;padding:12px;color:#64748b;font-size:14px;font-weight:500}.daily-question-actions{display:flex;gap:10px;justify-content:center;margin-top:20px;opacity:0;animation:fadeInUp .5s ease .4s both}.daily-question-skip,.daily-question-answer,.daily-question-submit,.daily-question-next,.daily-question-finish{padding:10px 20px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);border:none;min-width:100px;letter-spacing:-.1px}.daily-question-skip{background:#64748b1f;color:#374151;border:2px solid rgba(100,116,139,.25);font-weight:600}.daily-question-skip:hover{background:#64748b2e;color:#1f2937;border-color:#64748b59;transform:translateY(-2px)}.daily-question-answer{background:linear-gradient(135deg,#1e40af,#312e81,#4c1d95);color:#fff;box-shadow:0 4px 12px #1e40af66;font-weight:600}.daily-question-answer:hover{transform:translateY(-2px);box-shadow:0 6px 20px #1e40af80}.daily-question-submit{background:linear-gradient(45deg,#10b981,#059669);color:#fff;box-shadow:0 4px 16px #10b9814d}.daily-question-submit:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px #10b98166}.daily-question-next{background:linear-gradient(45deg,#f59e0b,#d97706);color:#fff;box-shadow:0 4px 16px #f59e0b4d;min-width:140px}.daily-question-next:hover{transform:translateY(-2px);box-shadow:0 8px 24px #f59e0b66}.daily-question-finish{background:linear-gradient(45deg,#6366f1,#a855f7);color:#fff;box-shadow:0 4px 16px #6366f14d;min-width:120px}.daily-question-finish:hover{transform:translateY(-2px);box-shadow:0 8px 24px #6366f166}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media(max-width:600px){.daily-question-popup{padding:24px;max-width:360px;min-height:320px}.daily-question-header h2{font-size:18px}.daily-question-question h4{font-size:15px}.daily-question-question p{font-size:14px}.daily-question-options{grid-template-columns:1fr;gap:6px}.option-button{padding:12px 14px;min-height:44px}.option-letter{width:24px;height:24px;font-size:12px}.daily-question-options .option-text{font-size:13px}.result-message{padding:10px 12px;font-size:13px}.final-score h4{font-size:16px}.final-score p{font-size:14px}.daily-question-actions{margin-top:16px;flex-direction:column;gap:8px}.daily-question-skip,.daily-question-answer,.daily-question-submit,.daily-question-next,.daily-question-finish{padding:11px 18px;font-size:14px;min-width:95px}}@keyframes chatbot-breathe{0%,to{transform:translateY(0) scale(1);box-shadow:0 12px 30px #0f172af2,0 0 0 1px #0f172ae6 inset,0 0 26px #38bdf88c}50%{transform:translateY(-2px) scale(1.03);box-shadow:0 16px 38px #0f172a,0 0 0 1px #0f172a inset,0 0 38px #38bdf8e6}}@keyframes chatbot-ring{0%{opacity:0;transform:scale(.81)}40%{opacity:.9;transform:scale(1.01)}to{opacity:0;transform:scale(1.1)}}@keyframes chatbot-orbit{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes chatbot-robot-wiggle{0%,to{transform:translateY(0) rotate(0)}25%{transform:translateY(-1px) rotate(-4deg)}50%{transform:translateY(1px) rotate(3deg)}75%{transform:translateY(-.5px) rotate(-2deg)}}@keyframes chatbot-robot-wiggle-fast{0%,to{transform:translateY(-2px) scale(1.08) rotate(-6deg)}50%{transform:translateY(-4px) scale(1.12) rotate(2deg)}}.chatbot-floating-icon{position:fixed;bottom:24px;right:24px;width:50px;height:50px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 30% 20%,#22d3ee,#0ea5e9 40%,#0b1120);border:1px solid rgba(148,163,184,.8);box-shadow:0 12px 30px #0f172af2,0 0 0 1px #0f172ae6 inset,0 0 26px #38bdf8a6;cursor:grab;z-index:12003;overflow:visible;transition:transform .28s cubic-bezier(.4,0,.2,1),box-shadow .28s ease,border-color .28s ease,background .28s ease,filter .28s ease;animation:chatbot-breathe 3.2s ease-in-out infinite}.chatbot-floating-icon:before{content:"";position:absolute;inset:-8px;border-radius:inherit;border:1px solid rgba(56,189,248,.45);box-shadow:0 0 26px #38bdf8b3,0 0 40px #3b82f68c;opacity:0;pointer-events:none;animation:chatbot-ring 2.8s ease-out infinite}.chatbot-floating-icon:after{content:"";position:absolute;inset:-3px;border-radius:inherit;background:conic-gradient(from 0deg,transparent 0deg,rgba(56,189,248,0) 40deg,rgba(56,189,248,.9) 90deg,rgba(129,140,248,0) 140deg,rgba(129,140,248,.8) 210deg,rgba(56,189,248,0) 260deg,rgba(56,189,248,.8) 320deg,transparent 360deg);mix-blend-mode:screen;opacity:.6;filter:blur(3px);pointer-events:none;animation:chatbot-orbit 7s linear infinite}.chatbot-floating-icon:hover{transform:translateY(-4px) scale(1.03);box-shadow:0 18px 42px #0f172a,0 0 0 1px #94a3b8e6 inset,0 0 40px #38bdf8e6;border-color:#bfdbfe;filter:brightness(1.05)}.chatbot-floating-icon:hover:before{opacity:1}.chatbot-floating-icon:active{cursor:grabbing;transform:scale(.95)}.chatbot-floating-icon.shaking{animation:chatbot-shake .45s ease-in-out}.chatbot-robot-icon{width:37px;height:37px;object-fit:contain;filter:drop-shadow(0 3px 8px rgba(15,23,42,.9)) drop-shadow(0 0 10px rgba(248,250,252,.65));transform-origin:center;transition:transform .26s ease,filter .26s ease;animation:chatbot-robot-wiggle 2.4s ease-in-out infinite}.chatbot-floating-icon:hover .chatbot-robot-icon{transform:translateY(-2px) scale(1.08) rotate(-6deg);filter:drop-shadow(0 4px 10px rgba(15,23,42,1)) drop-shadow(0 0 16px rgba(248,250,252,1));animation:chatbot-robot-wiggle-fast 1.2s ease-in-out infinite}.chatbot-sidebar-dock{position:relative;width:100%;height:100%;min-height:74px}.chatbot-floating-icon.chatbot-floating-icon--docked{top:50%;left:var(--chatbot-dock-edge, 18px);right:auto;bottom:auto;transform:translateY(-50%);cursor:pointer;animation:chatbot-dock-slide 3.8s ease-in-out infinite alternate}.chatbot-floating-icon.chatbot-floating-icon--docked:hover{transform:translateY(-50%) scale(1.03)}.chatbot-floating-icon.chatbot-floating-icon--docked:active{cursor:pointer;transform:translateY(-50%) scale(.96)}.chatbot-floating-icon.chatbot-floating-icon--docked.is-paused,.chatbot-floating-icon.chatbot-floating-icon--docked.is-paused:before,.chatbot-floating-icon.chatbot-floating-icon--docked.is-paused:after,.chatbot-floating-icon.chatbot-floating-icon--docked.is-paused .chatbot-robot-icon{animation-play-state:paused}@keyframes chatbot-dock-slide{0%{left:var(--chatbot-dock-edge, 18px)}to{left:calc(var(--chatbot-dock-edge, 18px) + var(--chatbot-dock-travel, 0px))}}.chatbot-box{position:fixed;background:radial-gradient(circle at 0 0,#0f172afa,#0f172a);border-radius:20px;border:1px solid rgba(148,163,184,.6);box-shadow:0 18px 50px #0f172afa,0 0 0 1px #0f172af2 inset;display:flex;flex-direction:column;z-index:12000;opacity:0;transform:scale(.9) translateY(12px);transform-origin:bottom right;transition:opacity .35s ease,transform .35s cubic-bezier(.37,0,.63,1);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden}.chatbot-box-animate{opacity:1;transform:scale(1) translateY(0)}.chatbot-box.chatbot-box--docked .chatbot-header{cursor:default}.chatbot-header{background:linear-gradient(135deg,#0ea5e9,#6366f1);color:#f9fafb;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;border-top-left-radius:20px;border-top-right-radius:20px;font-weight:600;font-size:13px;letter-spacing:.05em;text-transform:uppercase;box-shadow:0 2px 6px #0f172a99;cursor:grab}.chatbot-header span{white-space:nowrap}.chatbot-header:active{cursor:grabbing}.chatbot-header button{background:none;border:none;color:#e5e7eb;cursor:pointer;font-size:17px;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease,opacity .2s ease;margin-left:6px;opacity:.9}.chatbot-header button:hover{transform:rotate(90deg) scale(1.05);opacity:1}.chatbot-refresh-button{background:none;border:none;cursor:pointer;display:flex;position:absolute;align-items:center;justify-content:center;width:24px;height:24px;right:14%;top:10px;transition:transform .25s ease,opacity .25s ease;opacity:.9}.chatbot-refresh-button:hover{transform:rotate(360deg) scale(1.05);opacity:1}.chatbot-refresh-icon{width:18px;height:18px;object-fit:contain}.chatbot-messages{flex:1;padding:14px 14px 10px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;background:radial-gradient(circle at 0 0,#2c3c644d,#0f172a33)}.chatbot-messages::-webkit-scrollbar{width:6px}.chatbot-messages::-webkit-scrollbar-track{background:transparent}.chatbot-messages::-webkit-scrollbar-thumb{background:#374151cc;border-radius:999px}.chatbot-message{margin-bottom:4px;padding:9px 13px;border-radius:18px;max-width:88%;font-size:var(--chatbot-font-size, 14px);line-height:1.4;opacity:0;transform:translateY(6px);transition:opacity .25s ease,transform .25s ease;box-shadow:0 2px 6px #0f172aa6;white-space:pre-wrap;word-wrap:break-word;position:relative}.chatbot-message-animate{opacity:1;transform:translateY(0)}.chatbot-message-user{background:linear-gradient(135deg,#22c55e,#16a34a);color:#ecfdf5;align-self:flex-end;border-bottom-right-radius:4px}.chatbot-message-bot{background:radial-gradient(circle at 0 0,#111827,#020617);color:#e5e7eb;align-self:flex-start;border-bottom-left-radius:4px;border:1px solid rgba(55,65,81,.9)}.chatbot-typing{display:flex;align-items:center;padding:4px 10px 10px;margin-bottom:0;gap:4px}.chatbot-typing-dot{display:inline-block;width:7px;height:7px;margin-right:4px;background-color:#9ca3af;border-radius:50%;animation:chatbot-typing-bounce 1.2s infinite ease-in-out}@keyframes chatbot-typing-bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.chatbot-input{display:flex;align-items:center;gap:8px;padding:10px 12px 12px;border-top:1px solid rgba(31,41,55,.9);background:radial-gradient(circle at 0 0,#0f172af2,#0f172a);border-bottom-left-radius:20px;border-bottom-right-radius:20px}.chatbot-input input{flex:1;padding:9px 14px;border-radius:999px;border:1px solid rgba(55,65,81,.9);background:#0f172ae6;color:#e5e7eb;font-size:13px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}.chatbot-input input::placeholder{color:#6b7280}.chatbot-input input:focus{border-color:#0ea5e9;outline:none;background:#0f172a;box-shadow:0 0 0 1px #38bdf8b3}.chatbot-send-button{background:linear-gradient(135deg,#0ea5e9,#6366f1);color:#f9fafb;border:none;padding:9px 18px;border-radius:9999px;cursor:pointer;font-weight:600;font-size:13px;letter-spacing:.03em;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;box-shadow:0 3px 10px #2563eb8c}.chatbot-send-button:hover{transform:translateY(-1px) scale(1.03);filter:brightness(1.05);box-shadow:0 5px 14px #2563ebb3}.chatbot-send-button:active{transform:translateY(0) scale(.98);box-shadow:0 2px 6px #2563eb99}.chatbot-resizer{position:absolute;top:0;left:0;width:11px;height:11px;background:#0078f080;cursor:se-resize;z-index:1001}.chatbot-resizer:after{content:"";position:absolute;right:3px;bottom:3px;width:10px;height:10px;border-radius:2px;border-right:2px solid rgba(148,163,184,.9);border-bottom:2px solid rgba(148,163,184,.9)}@keyframes shake{0%{transform:translate(1px,1px) rotate(0)}10%{transform:translate(-1px,-2px) rotate(-1deg)}20%{transform:translate(-3px) rotate(1deg)}30%{transform:translate(3px,2px) rotate(0)}40%{transform:translate(1px,-1px) rotate(1deg)}50%{transform:translate(-1px,2px) rotate(-1deg)}60%{transform:translate(-3px,1px) rotate(0)}70%{transform:translate(3px,1px) rotate(-1deg)}80%{transform:translate(-1px,-1px) rotate(1deg)}90%{transform:translate(1px,2px) rotate(0)}to{transform:translate(1px,-2px) rotate(-1deg)}}.stars{position:absolute;top:-30px;left:-10px;width:80px;height:80px;animation:rotate 2s linear infinite;z-index:1001}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.star{position:absolute;font-size:20px;color:gold;text-shadow:0 0 5px rgba(255,215,0,.8)}.star1{top:0;left:30px}.star2{top:30px;left:60px}.star3{top:60px;left:30px}.star4{top:30px;left:0}.home-container.home-dashboard{--home-bg-a: #020617;--home-bg-b: #030b1f;--home-bg-c: #060f2d;--home-stroke: rgba(148, 163, 184, .34);--home-text: #eef2ff;--home-muted: #bfdbfe;--home-left-col-min: 260px;--home-left-col-max: 320px;--home-right-col-min: 230px;--home-right-col-max: 280px;position:relative;width:100vw;height:100vh;height:100dvh;max-height:100vh;max-height:100dvh;padding:12px 16px 14px;box-sizing:border-box;color:var(--home-text);isolation:isolate;overflow:hidden;display:grid;grid-template-rows:minmax(0,1fr);background:radial-gradient(1200px circle at -12% -25%,rgba(56,189,248,.22),transparent 55%),radial-gradient(1100px circle at 120% -15%,rgba(167,139,250,.18),transparent 54%),linear-gradient(145deg,var(--home-bg-a) 0%,var(--home-bg-b) 45%,var(--home-bg-c) 100%)}.home-galaxy-layer{position:absolute;inset:0;pointer-events:none;z-index:1}.home-galaxy-nebula{background:radial-gradient(900px circle at 20% 18%,rgba(34,211,238,.22),transparent 52%),radial-gradient(760px circle at 78% 74%,rgba(99,102,241,.28),transparent 56%),radial-gradient(680px circle at 60% 30%,rgba(59,130,246,.22),transparent 54%),radial-gradient(540px circle at 50% 50%,rgba(236,72,153,.09),transparent 58%);filter:blur(24px) saturate(124%);mix-blend-mode:screen;animation:galaxyPulse 12s ease-in-out infinite alternate}.home-starfield{background-repeat:repeat;transform:translateZ(0)}.home-starfield-far{background-image:radial-gradient(1px 1px at 20px 30px,rgba(255,255,255,.62),transparent),radial-gradient(1px 1px at 40px 70px,rgba(191,219,254,.52),transparent),radial-gradient(1px 1px at 90px 40px,rgba(255,255,255,.48),transparent),radial-gradient(1px 1px at 140px 90px,rgba(147,197,253,.42),transparent);background-size:180px 180px;opacity:.82;animation:starDriftFar 90s linear infinite,starTwinkle 12s ease-in-out infinite alternate}.home-starfield-near{background-image:radial-gradient(1.5px 1.5px at 14px 18px,rgba(255,255,255,.94),transparent),radial-gradient(1.8px 1.8px at 80px 62px,rgba(165,243,252,.78),transparent),radial-gradient(1.3px 1.3px at 124px 30px,rgba(186,230,253,.76),transparent),radial-gradient(1.5px 1.5px at 160px 120px,rgba(255,255,255,.64),transparent);background-size:220px 220px;opacity:.92;mix-blend-mode:screen;animation:starDriftNear 60s linear infinite,starTwinkle 8s ease-in-out infinite alternate}.home-starfield-spark{background-image:radial-gradient(2px 2px at 34px 42px,rgba(255,255,255,.92),transparent),radial-gradient(2.4px 2.4px at 176px 94px,rgba(125,211,252,.82),transparent),radial-gradient(1.8px 1.8px at 252px 22px,rgba(196,181,253,.8),transparent),radial-gradient(2px 2px at 310px 130px,rgba(255,255,255,.74),transparent);background-size:360px 180px;opacity:.84;mix-blend-mode:screen;animation:starDriftSpark 120s linear infinite,starTwinkle 5.6s ease-in-out infinite alternate}.home-aurora-wave{background:radial-gradient(55% 35% at 50% 100%,rgba(14,165,233,.18),transparent 62%),radial-gradient(45% 28% at 20% 94%,rgba(45,212,191,.13),transparent 60%),radial-gradient(42% 30% at 80% 92%,rgba(99,102,241,.15),transparent 62%);animation:auroraFloat 14s ease-in-out infinite}.home-shooting-stars:before,.home-shooting-stars:after{content:"";position:absolute;width:180px;height:2px;border-radius:999px;background:linear-gradient(90deg,#fff0,#e0f2fef2,#fff0);box-shadow:0 0 14px #bae6fdd1;transform:rotate(-24deg);opacity:0}.home-shooting-stars:before{top:20%;left:-20%;animation:meteorShootA 9s linear infinite}.home-shooting-stars:after{top:35%;left:-35%;animation:meteorShootB 13s linear infinite}.home-container.home-dashboard .home-header{position:relative;z-index:7;display:flex;justify-content:flex-end;width:100%;min-height:0}.home-container.home-dashboard .home-sidebar-panel{background:transparent;border:1px solid var(--home-stroke);border-radius:20px;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);box-shadow:0 6px 14px #0206171a,inset 0 0 0 1px #ffffff0a}.home-container.home-dashboard .home-header-right-controls{display:flex;align-items:center;width:100%;min-width:0;flex-wrap:nowrap;justify-content:center;gap:0;padding:2px 4px 20px 0;overflow:visible}.home-container.home-dashboard .home-header-action-group{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:none;min-width:0;gap:10px;padding:8px 10px;box-sizing:border-box;border-radius:999px;border:1px solid rgba(148,163,184,.34);background:radial-gradient(130% 150% at 0% 0%,rgba(56,189,248,.12),transparent 56%),linear-gradient(135deg,#0f172a80,#02061766);box-shadow:0 10px 20px #02061759,inset 0 0 0 1px #ffffff0d}.home-container.home-dashboard .home-header-actions{display:flex;align-items:center;min-width:0;flex-wrap:nowrap;flex:1 1 auto;justify-content:space-between;gap:10px}.home-container.home-dashboard .home-header-actions>*{flex:0 0 auto}.home-container.home-dashboard .bottom-icon{position:relative;width:36px;height:36px;padding:0;border-radius:999px;border:1px solid rgba(148,163,184,.56);background:radial-gradient(circle at 10% 0,#1e293b6b,#02061747);color:#e2e8f0;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;outline:none;box-shadow:0 10px 22px #02061799;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.home-container.home-dashboard .bottom-icon:hover{transform:translateY(-2px) scale(1.04);border-color:#f8fafceb;box-shadow:0 16px 30px #020617a8}.home-container.home-dashboard .bottom-icon:focus-visible{outline:2px solid rgba(125,211,252,.92);outline-offset:2px}.home-container.home-dashboard .bottom-icon .hover-text{position:absolute;top:calc(100% + 8px);bottom:auto;left:50%;transform:translate(-50%) translateY(4px);background:linear-gradient(180deg,#0f172af5,#020617f5);color:#f8fafc;padding:7px 10px;border-radius:9px;border:1px solid rgba(191,219,254,.42);display:flex;align-items:center;justify-content:center;text-align:center;white-space:nowrap;max-width:min(180px,calc(100vw - 20px));overflow:hidden;text-overflow:ellipsis;line-height:1.15;font-size:10px;font-weight:700;letter-spacing:.01em;text-shadow:0 1px 1px rgba(2,6,23,.7);opacity:0;pointer-events:none;z-index:60;box-shadow:0 10px 20px #02061780,inset 0 0 0 1px #ffffff0a;transition:opacity .16s ease,transform .16s ease,border-color .16s ease}.home-container.home-dashboard .bottom-icon:hover .hover-text{opacity:1;transform:translate(-50%) translateY(0);border-color:#e0f2feb8}.home-container.home-dashboard .bottom-icon:focus-visible .hover-text{opacity:1;transform:translate(-50%) translateY(0);border-color:#7dd3fce6}.home-container.home-dashboard .home-header-actions>:first-child .hover-text{left:0;transform:translateY(4px)}.home-container.home-dashboard .home-header-actions>:first-child:hover .hover-text{transform:translateY(0)}.home-container.home-dashboard .home-header-actions>:first-child:focus-visible .hover-text{transform:translateY(0)}.home-container.home-dashboard .bottom-icon-img{width:21px;height:21px;object-fit:contain;opacity:.94}.home-container.home-dashboard .home-header-logout{position:relative;left:auto;bottom:auto}.home-dashboard .user-rank-display{position:relative;top:auto;left:auto;width:100%;min-width:100%;max-width:none;border-radius:14px;margin:0}.home-dashboard .notification-bar-container{position:relative;top:auto;right:auto;z-index:20;flex-direction:row;gap:8px}.home-dashboard .notification-bar-container .notification-toggle{width:40px;height:40px}.home-dashboard .notification-bar-container .notification-icon-main{font-size:16px}.home-dashboard .notification-bar-container .notification-badge{min-width:17px;height:17px;font-size:9px}.home-dashboard .notification-bar-container .notification-panel{top:calc(100% + 12px);right:0;left:auto;width:min(340px,calc(100vw - 24px));max-width:calc(100vw - 24px)}.home-container.home-dashboard .home-main-grid{position:relative;z-index:3;display:grid;grid-template-columns:minmax(var(--home-left-col-min),var(--home-left-col-max)) minmax(0,1fr) minmax(var(--home-right-col-min),var(--home-right-col-max));grid-template-rows:minmax(0,1fr);gap:16px;height:100%;max-height:100%;min-height:0;overflow:hidden;align-items:stretch}.home-container.home-dashboard .home-main-grid>.home-left-sidebar,.home-container.home-dashboard .home-main-grid>.home-center-stage,.home-container.home-dashboard .home-main-grid>.home-right-sidebar{align-self:stretch;min-height:0;height:100%;max-height:100%;box-sizing:border-box}.home-container.home-dashboard .home-mobile-sidebars-toggle,.home-container.home-dashboard .home-mobile-sidebar-backdrop,.home-container.home-dashboard .home-mobile-sidebar-close{display:none}.home-container.home-dashboard .home-left-sidebar,.home-container.home-dashboard .home-right-sidebar{display:flex;padding:2px;border-radius:22px;border:1px solid rgba(148,163,184,.1);background:transparent;backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px)}.home-container.home-dashboard .home-sidebar-panel{width:100%;height:100%;min-height:0;padding:11px;box-sizing:border-box;display:flex;flex-direction:column;gap:8px;overflow:hidden}.home-container.home-dashboard .home-right-sidebar .home-sidebar-panel{overflow:visible}.home-container.home-dashboard .home-right-sidebar .home-sidebar-panel:has(.notification-panel){overflow:visible!important}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls{flex-shrink:0}.home-container.home-dashboard .home-right-sidebar .home-sidebar-scroll{flex:1 1 auto;display:flex;flex-direction:column;min-height:0;overflow:visible;padding-right:0;scrollbar-width:none;scrollbar-color:transparent transparent}.home-container.home-dashboard .home-right-sidebar .home-sidebar-scroll::-webkit-scrollbar{width:0;height:0}.home-container.home-dashboard .home-right-sidebar .home-sidebar-scroll::-webkit-scrollbar-thumb{background:transparent}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .bottom-icon{width:34px;height:34px}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .bottom-icon-img,.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .bottom-icon-search .bottom-icon-img,.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .bottom-icon-feedback .bottom-icon-img,.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .bottom-icon-help .bottom-icon-img{width:19px;height:19px}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-bar-container{gap:0;position:relative;top:auto;right:auto;z-index:90;display:inline-flex;flex-direction:row;align-items:center;justify-content:center}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-panel{z-index:120}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-toggle{width:34px;height:34px;border-radius:999px;border:1px solid rgba(148,163,184,.56);background:radial-gradient(circle at 10% 0,#1e293b6b,#02061747);color:#e2e8f0;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 10px 22px #02061799;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;-webkit-backdrop-filter:none;backdrop-filter:none}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-icon-main{font-size:17px}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-toggle:hover{transform:translateY(-2px) scale(1.04);border-color:#f8fafceb;box-shadow:0 16px 30px #020617a8}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-toggle.has-unread{animation:none}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-tooltip{top:calc(100% + 8px);bottom:auto;left:auto;right:0;transform:translateY(4px);background:linear-gradient(180deg,#0f172af5,#020617f5);color:#f8fafc;padding:7px 10px;border-radius:9px;border:1px solid rgba(191,219,254,.42);font-size:11px;font-weight:700;letter-spacing:.01em;line-height:1.15;white-space:nowrap;width:max-content;max-width:min(240px,calc(100vw - 20px));display:block;opacity:0;pointer-events:none;z-index:60;text-shadow:0 1px 1px rgba(2,6,23,.7);box-shadow:0 10px 20px #02061780,inset 0 0 0 1px #ffffff0a;transition:opacity .16s ease,transform .16s ease,border-color .16s ease}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-toggle:hover .notification-tooltip{opacity:1;transform:translateY(0);border-color:#e0f2feb8}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls .notification-toggle:focus-visible .notification-tooltip{opacity:1;transform:translateY(0);border-color:#7dd3fce6}.home-container.home-dashboard .home-sidebar-header{margin-bottom:10px}.home-container.home-dashboard .home-sidebar-header h3{margin:0;font-size:14px;letter-spacing:.03em}.home-container.home-dashboard .home-sidebar-header p{margin:5px 0 0;color:var(--home-muted);font-size:11px;line-height:1.4}.home-container.home-dashboard .home-sidebar-section{padding:8px;border:1px solid rgba(148,163,184,.24);border-radius:12px;background:radial-gradient(120% 110% at 0% 0%,rgba(45,212,191,.08),transparent 58%),linear-gradient(150deg,#0f172a3d,#0206171f)}.home-container.home-dashboard .home-sidebar-section-title{margin:5px 0 14px;color:#d6e6ff;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;text-align:center}.home-container.home-dashboard .home-quick-actions-grid,.home-container.home-dashboard .home-community-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile,.home-container.home-dashboard .home-community-grid .home-side-action--tile{--tile-a: var(--action-a);--tile-b: var(--action-b);--tile-c: var(--action-c);--tile-d: var(--action-d, var(--action-c));--tile-flow: 9.2s;min-height:90px;margin-bottom:0;padding:7px;border-radius:18px;justify-content:center;align-items:center;overflow:hidden;position:relative;border:1px solid rgba(203,213,225,.26);background:radial-gradient(140% 120% at 0% -10%,color-mix(in srgb,var(--tile-c) 26%,rgba(255,255,255,.18)),transparent 58%),radial-gradient(130% 130% at 100% 120%,color-mix(in srgb,var(--tile-d) 20%,rgba(15,23,42,.2)),transparent 62%),linear-gradient(150deg,#0f172ac7,#0f172a8a);box-shadow:0 10px 22px #0206176b,inset 0 1px #ffffff1f;isolation:isolate;transition:transform .2s ease,box-shadow .22s ease,border-color .2s ease,filter .22s ease}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:before,.home-container.home-dashboard .home-community-grid .home-side-action--tile:before{content:"";position:absolute;inset:-36% -26% auto;height:78%;background:radial-gradient(circle at 36% 44%,color-mix(in srgb,var(--tile-a) 50%,rgba(255,255,255,.16)),transparent 66%),radial-gradient(circle at 74% 52%,color-mix(in srgb,var(--tile-d) 44%,rgba(255,255,255,.1)),transparent 70%);opacity:.5;pointer-events:none;z-index:0;animation:homeTileAuraDrift 9s ease-in-out infinite}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:after,.home-container.home-dashboard .home-community-grid .home-side-action--tile:after{content:"";position:absolute;inset:0;background:linear-gradient(118deg,transparent 30%,rgba(255,255,255,.18) 50%,transparent 72%);opacity:0;transform:translate(-120%);transition:opacity .24s ease;pointer-events:none;z-index:2}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:hover,.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:focus-visible,.home-container.home-dashboard .home-community-grid .home-side-action--tile:hover,.home-container.home-dashboard .home-community-grid .home-side-action--tile:focus-visible{transform:translateY(-3px) scale(1.02);border-color:color-mix(in srgb,var(--tile-a) 72%,rgba(255,255,255,.65));box-shadow:0 14px 26px #02061785,0 0 0 1px color-mix(in srgb,var(--tile-a) 36%,transparent) inset;filter:saturate(1.08)}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:hover:after,.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:focus-visible:after,.home-container.home-dashboard .home-community-grid .home-side-action--tile:hover:after,.home-container.home-dashboard .home-community-grid .home-side-action--tile:focus-visible:after{opacity:1;transform:translate(120%);transition:transform .7s ease,opacity .24s ease}.home-container.home-dashboard .home-quick-actions-grid .home-tile-media,.home-container.home-dashboard .home-community-grid .home-tile-media{width:100%;height:100%;min-height:72px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:radial-gradient(80% 80% at 20% 15%,rgba(255,255,255,.28),transparent 58%),radial-gradient(110% 120% at 86% 86%,color-mix(in srgb,var(--tile-d) 44%,rgba(15,23,42,.24)),transparent 64%),linear-gradient(160deg,color-mix(in srgb,var(--tile-a) 66%,rgba(15,23,42,.7)),color-mix(in srgb,var(--tile-b) 62%,rgba(15,23,42,.62)));border:1px solid color-mix(in srgb,var(--tile-c) 46%,rgba(255,255,255,.2));box-shadow:inset 0 1px #ffffff38,0 8px 18px color-mix(in srgb,var(--tile-b) 36%,rgba(2,6,23,.45));background-size:165% 165%;animation:homeTileGradientFlow var(--tile-flow) ease-in-out infinite;transition:transform .22s ease,box-shadow .22s ease,border-color .2s ease,filter .2s ease;position:relative;z-index:1}.home-container.home-dashboard .home-quick-actions-grid .home-tile-glyph,.home-container.home-dashboard .home-community-grid .home-tile-glyph{width:42px;height:42px;object-fit:contain;color:#f8fbff;filter:drop-shadow(0 8px 14px rgba(2,6,23,.55)) drop-shadow(0 0 10px color-mix(in srgb,var(--tile-c) 38%,transparent));opacity:.98;transform:scale(1);transition:transform .2s ease,filter .2s ease;stroke-width:2.1}.home-container.home-dashboard .home-quick-actions-grid .home-tile-title,.home-container.home-dashboard .home-community-grid .home-tile-title{position:absolute;left:8px;right:8px;bottom:8px;padding:6px 8px;border-radius:10px;border:1px solid rgba(203,213,225,.35);background:#020617d6;color:#f8fafc;font-size:9px;font-weight:700;letter-spacing:.03em;text-align:center;line-height:1.2;opacity:0;transform:translateY(6px);transition:opacity .16s ease,transform .16s ease;pointer-events:none;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);z-index:3}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:hover .home-tile-title,.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:focus-visible .home-tile-title,.home-container.home-dashboard .home-community-grid .home-side-action--tile:hover .home-tile-title,.home-container.home-dashboard .home-community-grid .home-side-action--tile:focus-visible .home-tile-title{opacity:1;transform:translateY(0)}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:hover .home-tile-media,.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:focus-visible .home-tile-media,.home-container.home-dashboard .home-community-grid .home-side-action--tile:hover .home-tile-media,.home-container.home-dashboard .home-community-grid .home-side-action--tile:focus-visible .home-tile-media{transform:translateY(-1px) scale(1.02);border-color:color-mix(in srgb,var(--tile-c) 56%,rgba(255,255,255,.3));box-shadow:inset 0 1px #ffffff47,0 12px 22px color-mix(in srgb,var(--tile-b) 46%,rgba(2,6,23,.52))}.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:hover .home-tile-glyph,.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:focus-visible .home-tile-glyph,.home-container.home-dashboard .home-community-grid .home-side-action--tile:hover .home-tile-glyph,.home-container.home-dashboard .home-community-grid .home-side-action--tile:focus-visible .home-tile-glyph{transform:scale(1.08);filter:drop-shadow(0 10px 18px rgba(2,6,23,.62)) drop-shadow(0 0 14px color-mix(in srgb,var(--tile-c) 52%,transparent))}.home-container.home-dashboard .home-community-grid .home-community-wide{grid-column:1 / -1;min-height:104px}.home-container.home-dashboard .home-community-grid .home-community-wide .home-tile-media{min-height:86px}.home-container.home-dashboard .home-community-grid .home-community-wide .home-tile-glyph{width:46px;height:46px}.home-dashboard .leaderboard-table{position:static;top:auto;left:auto;width:100%;min-width:100%;max-width:none;margin-top:0;flex:1;min-height:0}.home-container.home-dashboard .home-center-stage{position:relative;margin:0;height:100%;min-height:0;border-radius:26px;border:1px solid rgba(148,163,184,.14);background:transparent;box-shadow:inset 0 0 0 1px #ffffff0a,0 8px 16px #0206171f;display:flex;align-items:stretch;justify-content:center;padding:12px 10px;overflow:visible;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}.home-container.home-dashboard .home-center-search-wrap{position:absolute;top:12px;left:50%;transform:translate(-50%);width:min(700px,calc(100% - 34px));z-index:10;display:flex;flex-direction:column;align-items:center;gap:5px}.home-container.home-dashboard .home-center-search{width:clamp(150px,22vw,220px);max-width:100%;height:42px;display:flex;align-items:center;gap:6px;padding:4px 7px;border-radius:999px;border:1px solid rgba(226,232,240,.26);background:radial-gradient(120% 120% at 0% 0%,rgba(56,189,248,.14),transparent 60%),linear-gradient(155deg,#0f172a94,#02061780);backdrop-filter:blur(18px) saturate(118%);-webkit-backdrop-filter:blur(18px) saturate(118%);box-shadow:0 10px 24px #0206175c,inset 0 0 0 1px #ffffff14;overflow:hidden;transition:width .3s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease,background .2s ease}.home-container.home-dashboard .home-center-search.is-collapsed{justify-content:center;gap:7px}.home-container.home-dashboard .home-center-search:hover,.home-container.home-dashboard .home-center-search:focus-within,.home-container.home-dashboard .home-center-search.is-expanded{width:min(100%,680px);border-color:#bae6fd85;background:radial-gradient(130% 130% at 0% 0%,rgba(56,189,248,.2),transparent 62%),linear-gradient(155deg,#0f172aa8,#02061794);box-shadow:0 14px 30px #0206176b,0 0 0 1px #7dd3fc24}.home-container.home-dashboard .home-center-search:hover{transform:translateY(-.5px)}.home-container.home-dashboard .home-center-search-trigger{width:30px;min-width:30px;height:30px;border:0;border-radius:999px;background:linear-gradient(145deg,#38bdf8d6,#2563ebcc);color:#f8fafc;display:inline-flex;align-items:center;justify-content:center;font-size:15px;cursor:pointer;box-shadow:0 6px 14px #3b82f647;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease}.home-container.home-dashboard .home-center-search-trigger:hover:not(:disabled){transform:scale(1.05);filter:brightness(1.08);box-shadow:0 8px 16px #3b82f65c}.home-container.home-dashboard .home-center-search-trigger:disabled{opacity:.8;cursor:default}.home-container.home-dashboard .home-center-search-trigger .is-spinning{animation:homeSearchSpin 1s linear infinite}.home-container.home-dashboard .home-center-search-input{flex:1 1 auto;width:100%;min-width:0;height:30px;padding:0 4px;border:0;outline:0;background:transparent;color:#f8fbff;font-size:13px;font-weight:520;letter-spacing:.01em;opacity:0;transform:translate(8px);pointer-events:none;transition:opacity .18s ease,transform .18s ease}.home-container.home-dashboard .home-center-search.is-collapsed .home-center-search-input{flex:0 0 0;width:0;min-width:0;max-width:0;padding:0;margin:0;overflow:hidden}.home-container.home-dashboard .home-center-search:hover .home-center-search-input,.home-container.home-dashboard .home-center-search:focus-within .home-center-search-input,.home-container.home-dashboard .home-center-search.is-expanded .home-center-search-input{opacity:1;transform:translate(0);pointer-events:auto}.home-container.home-dashboard .home-center-search-input::placeholder{color:#bfdbfeb8}.home-container.home-dashboard .home-center-search-collapsed-hint{margin-left:2px;font-size:11px;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:#e0f2feb8;white-space:nowrap;opacity:1;transform:translate(0);transition:opacity .16s ease,transform .16s ease}.home-container.home-dashboard .home-center-search:hover .home-center-search-collapsed-hint,.home-container.home-dashboard .home-center-search:focus-within .home-center-search-collapsed-hint,.home-container.home-dashboard .home-center-search.is-expanded .home-center-search-collapsed-hint{opacity:0;transform:translate(8px);pointer-events:none}.home-container.home-dashboard .home-center-search-suggestions{width:min(680px,100%);max-height:min(320px,46vh);overflow:auto;border-radius:14px;border:1px solid rgba(147,197,253,.34);background:radial-gradient(120% 120% at 0% 0%,rgba(59,130,246,.18),transparent 58%),linear-gradient(150deg,#0f172af0,#020617e6);box-shadow:0 20px 34px #0206178c,inset 0 0 0 1px #ffffff0a;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.home-container.home-dashboard .home-center-search-suggestion{width:100%;border:0;border-bottom:1px solid rgba(148,163,184,.2);background:transparent;color:#f8fbff;display:flex;align-items:center;gap:10px;padding:10px 12px;text-align:left;cursor:pointer;transition:background .16s ease,transform .16s ease}.home-container.home-dashboard .home-center-search-suggestion:last-child{border-bottom:0}.home-container.home-dashboard .home-center-search-suggestion:hover,.home-container.home-dashboard .home-center-search-suggestion.is-active{background:#3b82f638}.home-container.home-dashboard .home-center-search-suggestion-icon{width:30px;min-width:30px;height:30px;border-radius:999px;border:1px solid rgba(125,211,252,.46);background:linear-gradient(145deg,#2563ebbd,#0e7490bd);color:#ecfeff;display:inline-flex;align-items:center;justify-content:center;font-size:14px}.home-container.home-dashboard .home-center-search-suggestion-copy{min-width:0;display:flex;flex-direction:column;gap:2px}.home-container.home-dashboard .home-center-search-suggestion-title{font-size:12px;font-weight:700;line-height:1.25}.home-container.home-dashboard .home-center-search-suggestion-subtitle{font-size:11px;color:#bfdbfed6;line-height:1.25}.home-container.home-dashboard .home-center-search-status{max-width:min(580px,100%);padding:4px 12px;border-radius:999px;border:1px solid rgba(148,163,184,.35);background:#0f172ab3;color:#e0f2fef2;text-align:center;font-size:11px;font-weight:600;line-height:1.3}.home-container.home-dashboard .home-center-stage .journey-floating-key{position:absolute;left:50%;top:auto;bottom:32px;transform:translate(-50%);width:min(420px,calc(100% - 28px));min-width:220px;padding:10px 16px;gap:10px;border-radius:14px;justify-content:center;z-index:8}.home-container.home-dashboard .home-center-stage .journey-floating-key:hover{transform:translate(-50%) translateY(-3px) scale(1.02)}.home-container.home-dashboard .home-center-stage .journey-floating-key .journey-text{text-align:center;align-items:center}.home-container.home-dashboard .home-center-stage .journey-floating-key .journey-label{font-size:10px}.home-container.home-dashboard .home-center-stage .journey-floating-key .journey-title{font-size:14px}.home-container.home-dashboard .home-side-action{--action-a: rgba(14, 165, 233, .9);--action-b: rgba(59, 130, 246, .82);--action-c: rgba(45, 212, 191, .74);width:100%;border:1px solid rgba(148,163,184,.28);border-radius:12px;background:radial-gradient(140% 130% at 0% 0%,color-mix(in srgb,var(--action-c) 24%,transparent),transparent 64%),linear-gradient(135deg,#0f172a4d,#0f172a14);color:var(--home-text);display:flex;align-items:center;gap:7px;min-height:44px;padding:7px 8px;margin-bottom:6px;cursor:pointer;text-align:left;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,background .18s ease;backdrop-filter:blur(1.5px);-webkit-backdrop-filter:blur(1.5px)}.home-container.home-dashboard .home-side-action:hover{transform:translateY(-1px) scale(1.01);border-color:color-mix(in srgb,var(--action-a) 70%,rgba(248,250,252,.6));background:radial-gradient(140% 130% at 0% 0%,color-mix(in srgb,var(--action-c) 36%,transparent),transparent 64%),linear-gradient(135deg,#0f172a70,#0f172a33);box-shadow:0 10px 20px #02061757,0 0 0 1px color-mix(in srgb,var(--action-a) 24%,transparent) inset}.home-container.home-dashboard .home-side-action:focus-visible{outline:2px solid rgba(125,211,252,.9);outline-offset:2px}.home-container.home-dashboard .home-side-action:last-child{margin-bottom:0}.home-container.home-dashboard .home-side-action-icon{flex:0 0 auto;position:relative;width:32px;height:32px;border-radius:11px;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;color:#f8fafc;background:radial-gradient(110% 100% at 20% 18%,rgba(255,255,255,.34),transparent 50%),linear-gradient(135deg,var(--action-a),var(--action-b));box-shadow:0 6px 12px #02061757,0 0 0 1px #fff3 inset}.home-container.home-dashboard .home-side-action-icon:before{content:"";position:absolute;inset:-45%;background:conic-gradient(from 90deg,transparent 0deg,rgba(255,255,255,.44) 64deg,transparent 150deg);animation:homeActionIconSpin 6.6s linear infinite;opacity:.6}.home-container.home-dashboard .home-side-action-glyph{position:relative;z-index:1;font-size:15px;line-height:1;filter:drop-shadow(0 1px 4px rgba(2,6,23,.5))}.home-container.home-dashboard .daily-question-action{--action-a: rgba(167, 139, 250, .96);--action-b: rgba(99, 102, 241, .88);--action-c: rgba(236, 72, 153, .8);--action-d: rgba(139, 92, 246, .78);--tile-flow: 9.4s}.home-container.home-dashboard .daily-question-action .home-daily-question-badge{position:absolute;top:8px;right:8px;width:20px;height:20px;padding:0;border-radius:50%;border:1px solid rgba(255,255,255,.9);background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;font-size:9px;font-weight:700;line-height:1;letter-spacing:0;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #ef444466,inset 0 1px #ffffff40;pointer-events:none;z-index:5}.home-container.home-dashboard .content-action{--action-a: rgba(251, 146, 60, .95);--action-b: rgba(244, 114, 182, .86);--action-c: rgba(250, 204, 21, .82);--action-d: rgba(236, 72, 153, .78);--tile-flow: 9.1s}.home-container.home-dashboard .courses-action{--action-a: rgba(34, 197, 94, .95);--action-b: rgba(14, 165, 233, .86);--action-c: rgba(99, 102, 241, .8);--action-d: rgba(45, 212, 191, .76);--tile-flow: 8.9s}.home-container.home-dashboard .teacher-courses-action{--action-a: rgba(34, 211, 238, .95);--action-b: rgba(16, 185, 129, .88);--action-c: rgba(45, 212, 191, .84);--action-d: rgba(59, 130, 246, .78);--tile-flow: 8.5s}.home-container.home-dashboard .forum-create-action{--action-a: rgba(56, 189, 248, .96);--action-b: rgba(14, 165, 233, .9);--action-c: rgba(129, 140, 248, .8);--action-d: rgba(45, 212, 191, .76);--tile-flow: 8.7s}.home-container.home-dashboard .forum-manage-action{--action-a: rgba(96, 165, 250, .96);--action-b: rgba(139, 92, 246, .88);--action-c: rgba(129, 140, 248, .82);--action-d: rgba(244, 114, 182, .76);--tile-flow: 9.6s}.home-container.home-dashboard .forum-browse-action{--action-a: rgba(20, 184, 166, .96);--action-b: rgba(59, 130, 246, .88);--action-c: rgba(34, 211, 238, .84);--action-d: rgba(74, 222, 128, .76);--tile-flow: 8.8s}.home-container.home-dashboard .home-side-action-content{display:flex;flex-direction:column;min-width:0}.home-container.home-dashboard .home-side-action-content strong{font-size:11px;line-height:1.2;letter-spacing:.01em}.home-container.home-dashboard .home-side-action-content small{color:var(--home-muted);font-size:9px;line-height:1.22;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.home-container.home-dashboard .home-forum-section{margin-top:14px;padding-top:8px}.home-container.home-dashboard .home-chatbot-dock-shell{position:relative;width:100%;margin-top:auto;margin-bottom:0;min-height:78px;border:0;border-radius:0;background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;overflow:visible;z-index:20}.home-container.home-dashboard .home-chatbot-dock-shell .chatbot-sidebar-dock{width:100%;min-height:78px;overflow:visible}.home-container.home-dashboard .home-left-sidebar .user-rank-display{min-width:0;margin:0 0 8px}.home-container.home-dashboard .home-left-coming-soon{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:8px;min-height:0;padding:12px;margin:0 0 10px;border-radius:12px;border:1px solid rgba(125,211,252,.42);background:radial-gradient(120% 120% at 0% 0%,rgba(56,189,248,.2),transparent 58%),radial-gradient(120% 120% at 100% 100%,rgba(244,114,182,.16),transparent 62%),linear-gradient(150deg,#0f172ab8,#1e293b99);box-shadow:0 10px 20px #02061747,inset 0 0 0 1px #ffffff0d}.home-container.home-dashboard .home-left-coming-soon-kicker{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#bfdbfee0}.home-container.home-dashboard .home-left-coming-soon-title{font-size:14px;font-weight:800;letter-spacing:.03em;color:#f8fafc;text-shadow:0 1px 4px rgba(2,6,23,.4)}.home-container.home-dashboard .home-left-coming-soon-desc{margin:0;max-width:22rem;font-size:11px;line-height:1.45;font-weight:500;color:#e2e8f0e0}.home-container.home-dashboard .home-left-coming-soon-desc strong{font-weight:800;color:#e0f2fe}@keyframes starDriftFar{0%{transform:translateZ(0)}to{transform:translate3d(-160px,120px,0)}}@keyframes starDriftNear{0%{transform:translateZ(0)}to{transform:translate3d(-280px,200px,0)}}@keyframes starDriftSpark{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(-220px,100px,0) scale(1.04)}}@keyframes galaxyPulse{0%{opacity:.82;transform:scale(1)}to{opacity:1;transform:scale(1.06)}}@keyframes starTwinkle{0%{filter:brightness(.9);opacity:.46}50%{filter:brightness(1.08);opacity:.82}to{filter:brightness(1);opacity:.58}}@keyframes meteorShootA{0%{transform:translateZ(0) rotate(-24deg);opacity:0}10%{opacity:.95}20%{transform:translate3d(140vw,46vh,0) rotate(-24deg);opacity:0}to{transform:translate3d(140vw,46vh,0) rotate(-24deg);opacity:0}}@keyframes meteorShootB{0%{transform:translateZ(0) rotate(-24deg);opacity:0}14%{opacity:0}24%{opacity:.9}34%{transform:translate3d(150vw,52vh,0) rotate(-24deg);opacity:0}to{transform:translate3d(150vw,52vh,0) rotate(-24deg);opacity:0}}@keyframes auroraFloat{0%,to{transform:translateY(0);opacity:.85}50%{transform:translateY(-12px);opacity:1}}@keyframes homeActionIconSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes homeTileGradientFlow{0%,to{background-position:0% 0%,100% 100%,0% 50%}50%{background-position:24% 22%,82% 74%,100% 50%}}@keyframes homeTileAuraDrift{0%,to{transform:translateZ(0) scale(1);opacity:.46}50%{transform:translate3d(2%,3%,0) scale(1.08);opacity:.62}}@keyframes homeSearchSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.home-container.home-dashboard .home-quick-actions-grid .home-side-action--tile:before,.home-container.home-dashboard .home-community-grid .home-side-action--tile:before,.home-container.home-dashboard .home-quick-actions-grid .home-tile-media,.home-container.home-dashboard .home-community-grid .home-tile-media{animation:none!important}}@media(max-width:1000px){.home-container.home-dashboard{padding:8px 8px 10px}.home-container.home-dashboard .home-main-grid{grid-template-columns:1fr;grid-template-rows:minmax(0,1fr);gap:8px;height:100%;max-height:100%;min-height:0;overflow:hidden;padding-right:0}.home-container.home-dashboard .home-center-stage{min-height:0;height:100%;border-radius:18px;padding:9px 7px 10px}.home-container.home-dashboard .home-center-search-wrap{top:8px;width:calc(100% - 12px)}.home-container.home-dashboard .home-center-search{height:36px}.home-container.home-dashboard .home-left-sidebar,.home-container.home-dashboard .home-right-sidebar{position:fixed;top:8px;bottom:8px;width:min(332px,calc(100vw - 16px));max-width:calc(100vw - 16px);height:auto;min-height:0;margin:0;border-radius:18px;border:1px solid rgba(148,163,184,.34);background:radial-gradient(120% 120% at 0% 0%,rgba(56,189,248,.18),transparent 56%),linear-gradient(155deg,#0206178f,#0f172a6b);backdrop-filter:blur(16px) saturate(135%);-webkit-backdrop-filter:blur(16px) saturate(135%);box-shadow:0 24px 48px #02061785,inset 0 0 0 1px #ffffff14;opacity:0;pointer-events:none;z-index:140;transition:transform .26s ease,opacity .22s ease}.home-container.home-dashboard .home-left-sidebar{left:8px;transform:translate(calc(-100% - 18px))}.home-container.home-dashboard .home-right-sidebar{right:8px;transform:translate(calc(100% + 18px))}.home-container.home-dashboard.left-sidebar-open .home-left-sidebar,.home-container.home-dashboard.right-sidebar-open .home-right-sidebar{transform:translate(0);opacity:1;pointer-events:auto}.home-container.home-dashboard .home-left-sidebar .home-sidebar-panel,.home-container.home-dashboard .home-right-sidebar .home-sidebar-panel{position:relative;height:100%;min-height:0;padding:42px 10px 12px}.home-container.home-dashboard .home-left-sidebar .home-sidebar-panel{overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:rgba(56,189,248,.46) transparent}.home-container.home-dashboard .home-left-sidebar .home-sidebar-panel::-webkit-scrollbar{width:6px}.home-container.home-dashboard .home-left-sidebar .home-sidebar-panel::-webkit-scrollbar-thumb{border-radius:999px;background:#38bdf875}.home-container.home-dashboard .home-right-sidebar .home-sidebar-panel{overflow:visible}.home-container.home-dashboard .home-right-sidebar .home-header-right-controls{padding:0 0 10px}.home-container.home-dashboard .home-right-sidebar .home-sidebar-scroll{min-height:0;flex:1 1 auto;overflow-y:auto;overflow-x:visible}.home-container.home-dashboard .home-mobile-sidebars-toggle{position:absolute;left:8px;right:8px;bottom:10px;display:flex;align-items:center;justify-content:space-between;z-index:141;pointer-events:none}.home-container.home-dashboard .home-mobile-sidebars-toggle-btn{pointer-events:auto;min-width:104px;height:34px;border:1px solid rgba(147,197,253,.42);border-radius:999px;padding:0 12px;background:radial-gradient(130% 130% at 0% 0%,rgba(56,189,248,.18),transparent 62%),linear-gradient(150deg,#0f172ae6,#020617e6);color:#e2e8f0;font-size:11px;font-weight:700;letter-spacing:.02em;cursor:pointer;box-shadow:0 10px 20px #02061780,inset 0 0 0 1px #ffffff0f;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.home-container.home-dashboard .home-mobile-sidebars-toggle-btn--left{margin-right:auto}.home-container.home-dashboard .home-mobile-sidebars-toggle-btn--right{margin-left:auto}.home-container.home-dashboard .home-mobile-sidebars-toggle-btn:hover,.home-container.home-dashboard .home-mobile-sidebars-toggle-btn:focus-visible{transform:translateY(-1px);border-color:#bae6fdb8;box-shadow:0 14px 24px #0206178f;outline:none}.home-container.home-dashboard .home-mobile-sidebars-toggle-btn.is-active{border-color:#38bdf8db;box-shadow:0 14px 26px #02061794,0 0 0 1px #38bdf83d inset}.home-container.home-dashboard .home-mobile-sidebar-backdrop{position:fixed;inset:0;display:block;border:0;margin:0;padding:0;background:#0206173d;backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px);z-index:70;cursor:pointer}.home-container.home-dashboard .home-mobile-sidebar-close{position:absolute;top:8px;right:8px;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border:1px solid rgba(148,163,184,.52);border-radius:999px;background:#020617b3;color:#e2e8f0;font-size:18px;line-height:1;cursor:pointer;z-index:2;box-shadow:0 8px 16px #02061775}.home-container.home-dashboard .home-center-stage .journey-floating-key{bottom:50px;width:calc(100% - 14px)}}@media(prefers-reduced-motion:reduce){.home-galaxy-layer,.home-galaxy-layer:before,.home-galaxy-layer:after,.home-container.home-dashboard .home-side-action-icon:before{animation:none!important}}.home-stage-layout.card-container.stage-layout{position:relative;width:min(980px,100%);height:100%;min-height:0;max-height:100%;display:flex;align-items:center;justify-content:center;perspective:1700px;transform-style:preserve-3d;z-index:3;overflow:visible}.home-stage-layout.card-container.stage-layout:before{content:"";position:absolute;width:min(760px,86%);height:210px;left:50%;bottom:clamp(18px,6%,42px);transform:translate(-50%);background:radial-gradient(circle at 42% 50%,#38bdf85c,#38bdf800 62%),radial-gradient(circle at 58% 52%,#a855f747,#a855f700 64%);filter:blur(36px);animation:stageFloorPulse 7.2s ease-in-out infinite;pointer-events:none;z-index:0}.home-stage-cards{position:relative;width:min(760px,100%);height:100%;min-height:0;max-height:100%;transform-style:preserve-3d;z-index:2;touch-action:pan-y;user-select:none;-webkit-user-select:none;cursor:grab}.home-stage-cards.is-dragging{cursor:grabbing}.home-stage-cards.is-moving-prev,.home-stage-cards.is-moving-next{pointer-events:none}.home-stage-cards.is-moving-next .home-stage-card,.home-stage-cards.is-moving-prev .home-stage-card{transition-duration:.7s;transition-timing-function:cubic-bezier(.19,1,.22,1)}.home-stage-cards.is-moving-next .home-stage-card.card-pos-center,.home-stage-cards.is-moving-prev .home-stage-card.card-pos-center{transition-delay:36ms;animation-duration:.7s;animation-timing-function:cubic-bezier(.19,1,.22,1);animation-fill-mode:both}.home-stage-cards.is-moving-next .home-stage-card.card-pos-left,.home-stage-cards.is-moving-next .home-stage-card.card-pos-right,.home-stage-cards.is-moving-prev .home-stage-card.card-pos-left,.home-stage-cards.is-moving-prev .home-stage-card.card-pos-right{transition-delay:0ms}.home-stage-cards.is-moving-next .home-stage-card.card-pos-center{animation-name:centerArriveFromRight}.home-stage-cards.is-moving-prev .home-stage-card.card-pos-center{animation-name:centerArriveFromLeft}.home-stage-nav{--nav-a: #22d3ee;--nav-b: #3b82f6;--nav-c: #818cf8;position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border:1px solid rgba(186,230,253,.5);border-radius:999px;background:radial-gradient(130% 110% at 20% 12%,rgba(255,255,255,.28),transparent 56%),linear-gradient(158deg,#0f172af2,#1e293bdb);color:#f8fafc;display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;cursor:pointer;box-shadow:0 14px 28px #02061794,inset 0 0 0 1px #ffffff24;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);overflow:visible;isolation:isolate;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,opacity .22s ease,background .22s ease;z-index:14}.home-stage-nav:before{content:"";position:absolute;inset:-48%;border-radius:50%;background:conic-gradient(from 0deg,transparent 0deg,color-mix(in srgb,var(--nav-a) 74%,white) 62deg,color-mix(in srgb,var(--nav-b) 66%,transparent) 154deg,transparent 236deg,color-mix(in srgb,var(--nav-c) 70%,transparent) 316deg,transparent 360deg);opacity:0;filter:blur(7px);animation:stageNavOrbit 7.6s linear infinite;animation-play-state:paused;transition:opacity .22s ease;z-index:-2;pointer-events:none}.home-stage-nav:after{content:"";position:absolute;inset:1px;border-radius:inherit;background:radial-gradient(120% 120% at 18% 8%,rgba(255,255,255,.26),transparent 52%),linear-gradient(160deg,color-mix(in srgb,var(--nav-a) 24%,rgba(15,23,42,.45)),color-mix(in srgb,var(--nav-b) 28%,rgba(15,23,42,.68)));opacity:.7;animation:stageNavBreathe 2.8s ease-in-out infinite alternate;animation-play-state:paused;transition:opacity .22s ease;z-index:-1;pointer-events:none}.home-stage-nav>span{position:relative;z-index:2;text-shadow:0 1px 2px rgba(2,6,23,.8);transition:transform .18s ease,text-shadow .18s ease}.home-stage-nav-left{left:16px;--nav-a: #22d3ee;--nav-b: #3b82f6;--nav-c: #a78bfa}.home-stage-nav-right{right:16px;--nav-a: #fb7185;--nav-b: #a855f7;--nav-c: #f59e0b}.home-stage-nav:hover{transform:translateY(-50%) scale(1.1);border-color:color-mix(in srgb,var(--nav-a) 62%,rgba(255,255,255,.95));background:radial-gradient(130% 110% at 20% 12%,rgba(255,255,255,.34),transparent 56%),linear-gradient(158deg,#0f172afa,#1e293be6);box-shadow:0 18px 34px #020617ad,0 0 28px color-mix(in srgb,var(--nav-a) 54%,transparent),0 0 40px color-mix(in srgb,var(--nav-b) 28%,transparent)}.home-stage-nav:hover:before,.home-stage-nav:focus-visible:before{opacity:.72;animation-play-state:running}.home-stage-nav:hover:after,.home-stage-nav:focus-visible:after{opacity:.94;animation-play-state:running}.home-stage-nav:hover>span{transform:scale(1.14);text-shadow:0 1px 3px rgba(2,6,23,.88),0 0 14px color-mix(in srgb,var(--nav-a) 68%,transparent)}.home-stage-nav:active{transform:translateY(-50%) scale(1.03)}.home-stage-nav:disabled{opacity:.42;cursor:not-allowed;box-shadow:0 8px 16px #02061759,inset 0 0 0 1px #ffffff0d}.home-stage-nav:disabled:before,.home-stage-nav:disabled:after{animation:none;opacity:0}.home-stage-nav.is-clicking{animation:navPulse .42s cubic-bezier(.22,1,.36,1)}.home-stage-card{--card-x: 0px;--card-y: -52%;--card-z: 0px;--card-rotate: 0deg;--card-scale: 1;--card-a: rgba(56, 189, 248, .9);--card-b: rgba(14, 165, 233, .82);--card-c: rgba(129, 140, 248, .74);--card-glow: rgba(56, 189, 248, .42);--card-flow: 10.2s;position:absolute;top:50%;left:50%;width:clamp(220px,24vw,292px);min-height:0;height:clamp(220px,68%,320px);padding:20px 18px 16px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;text-align:center;border-radius:26px;border:1px solid color-mix(in srgb,var(--card-c) 54%,rgba(191,219,254,.32));background:radial-gradient(120% 100% at 0% -10%,color-mix(in srgb,var(--card-a) 38%,rgba(255,255,255,.16)),transparent 58%),radial-gradient(120% 120% at 100% 110%,color-mix(in srgb,var(--card-c) 34%,rgba(15,23,42,.14)),transparent 66%),linear-gradient(158deg,color-mix(in srgb,var(--card-a) 28%,rgba(2,6,23,.88)),color-mix(in srgb,var(--card-b) 24%,rgba(2,6,23,.8)));background-size:170% 170%;animation:stageCardGradientFlow var(--card-flow) ease-in-out infinite;color:#f8fbff;cursor:pointer;overflow:hidden;transform-style:preserve-3d;transform-origin:center center;transform:translate3d(calc(-50% + var(--card-x)),var(--card-y),var(--card-z)) rotateY(var(--card-rotate)) scale(var(--card-scale));box-shadow:0 24px 50px #0206179e,0 0 24px color-mix(in srgb,var(--card-glow) 38%,transparent),inset 0 0 0 1px #ffffff14;transition:transform .58s cubic-bezier(.22,1,.36,1),box-shadow .36s ease,border-color .34s ease,opacity .32s ease;z-index:2;backface-visibility:visible;-webkit-backface-visibility:visible;-webkit-font-smoothing:subpixel-antialiased;text-rendering:optimizeLegibility}.home-stage-card:before{content:"";position:absolute;inset:-24%;border-radius:50%;background:radial-gradient(circle at 38% 42%,color-mix(in srgb,var(--card-a) 66%,rgba(255,255,255,.18)),transparent 60%),radial-gradient(circle at 68% 58%,color-mix(in srgb,var(--card-c) 56%,rgba(15,23,42,.16)),transparent 66%);filter:blur(20px);opacity:.44;z-index:-2;transition:opacity .32s ease,transform .32s ease;animation:stageCardAuraPulse 6.8s ease-in-out infinite}.home-stage-card:after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(115deg,transparent 18%,rgba(255,255,255,.16) 44%,transparent 72%),linear-gradient(160deg,color-mix(in srgb,var(--card-c) 16%,transparent),transparent 62%);transform:translate(-140%);opacity:0;transition:opacity .26s ease;z-index:-1}.home-stage-card.card-pos-left{--card-x: -195px;--card-y: -48%;--card-z: -120px;--card-rotate: 14deg;--card-scale: .94;z-index:1}.home-stage-card.card-pos-center{--card-x: 0px;--card-y: -56%;--card-z: 82px;--card-rotate: 0deg;--card-scale: 1;z-index:4}.home-stage-card.card-pos-right{--card-x: 195px;--card-y: -48%;--card-z: -120px;--card-rotate: -14deg;--card-scale: .94;z-index:1}.home-stage-card.card-active{border-color:color-mix(in srgb,var(--card-a) 46%,rgba(255,255,255,.92));box-shadow:0 34px 72px #020617b8,0 0 58px color-mix(in srgb,var(--card-glow) 76%,transparent),0 0 0 1px color-mix(in srgb,var(--card-c) 40%,transparent) inset}.home-stage-card:not(.card-active){opacity:1}.home-stage-cards.is-moving-next .home-stage-card.card-pos-center,.home-stage-cards.is-moving-prev .home-stage-card.card-pos-center{box-shadow:0 40px 88px #020617cc,0 0 70px color-mix(in srgb,var(--card-glow) 82%,transparent)}.home-stage-card.card-active:hover{--card-y: -58%;--card-z: 98px;--card-scale: 1.02}.home-stage-card:not(.card-active):hover{--card-y: -49%;--card-z: -105px;--card-scale: .95}.home-stage-card:hover:after{opacity:1;animation:stageShine .92s ease-out forwards}.home-stage-card.flash{--card-a: rgba(34, 211, 238, .94);--card-b: rgba(14, 165, 233, .84);--card-c: rgba(45, 212, 191, .8);--card-glow: rgba(34, 211, 238, .5);--card-flow: 9.3s}.home-stage-card.flash:before{background:radial-gradient(circle at 35% 45%,#22d3eed1,#22d3ee00),radial-gradient(circle at 70% 58%,#38bdf885,#38bdf800)}.home-stage-card.education{--card-a: rgba(251, 191, 36, .94);--card-b: rgba(249, 115, 22, .84);--card-c: rgba(244, 114, 182, .76);--card-glow: rgba(251, 191, 36, .48);--card-flow: 10.1s}.home-stage-card.education:before{background:radial-gradient(circle at 34% 44%,#fbbf24cc,#fbbf2400),radial-gradient(circle at 70% 58%,#f472b675,#f472b600)}.home-stage-card.controller{--card-a: rgba(96, 165, 250, .94);--card-b: rgba(79, 70, 229, .84);--card-c: rgba(167, 139, 250, .78);--card-glow: rgba(96, 165, 250, .48);--card-flow: 9.7s}.home-stage-card.controller:before{background:radial-gradient(circle at 35% 44%,#60a5fad6,#60a5fa00),radial-gradient(circle at 70% 58%,#a78bfa70,#a78bfa00)}.home-stage-card .card-stage-badge{min-height:24px;padding:0 12px;border-radius:999px;border:1px solid color-mix(in srgb,var(--card-c) 56%,rgba(191,219,254,.42));background:radial-gradient(110% 120% at 18% 10%,rgba(255,255,255,.22),transparent 54%),linear-gradient(160deg,color-mix(in srgb,var(--card-a) 34%,rgba(2,6,23,.54)),color-mix(in srgb,var(--card-b) 24%,rgba(2,6,23,.64)));color:#f8fbff;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-family:Space Grotesk,Inter,Segoe UI,sans-serif;box-shadow:0 6px 14px #0206174d,inset 0 1px #ffffff38}.home-stage-card .card-icon{width:clamp(62px,7vw,90px);height:clamp(62px,7vw,90px);object-fit:contain;margin-bottom:14px;filter:drop-shadow(0 4px 9px rgba(2,6,23,.6));animation:cardIconBob 3.2s ease-in-out infinite;transition:transform .3s ease,filter .3s ease;backface-visibility:visible;-webkit-backface-visibility:visible;image-rendering:auto;opacity:1}.home-stage-card:hover .card-icon{animation-play-state:paused;transform:scale(1.08) translateY(-2px);filter:drop-shadow(0 7px 14px rgba(2,6,23,.76))}.home-stage-card .card-text{margin:0;max-width:94%;font-size:clamp(15px,1.62vw,18px);font-weight:700;line-height:1.24;letter-spacing:.01em;color:#f8fafc;font-family:Space Grotesk,Inter,Segoe UI,sans-serif;text-shadow:0 1px 2px rgba(2,6,23,.32)}.home-stage-card .card-description{margin:8px 0 0;max-width:214px;font-size:clamp(12px,1.12vw,13px);font-weight:500;color:#edf4ff;line-height:1.52;letter-spacing:.01em;font-family:Manrope,Inter,Segoe UI,sans-serif;text-shadow:0 1px 2px rgba(2,6,23,.24)}.home-stage-card.disabled{pointer-events:none;opacity:.56;filter:grayscale(.2)}@keyframes cardIconBob{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes stageCardGradientFlow{0%,to{background-position:0% 0%,100% 100%,0% 50%}50%{background-position:24% 18%,78% 76%,100% 50%}}@keyframes stageCardAuraPulse{0%,to{transform:scale(1) translateZ(0);opacity:.54}50%{transform:scale(1.08) translate3d(1.5%,2%,0);opacity:.72}}@keyframes stageShine{0%{opacity:0;transform:translate(-140%)}20%{opacity:.72}to{opacity:0;transform:translate(140%)}}@keyframes stageFloorPulse{0%,to{opacity:.8;transform:translate(-50%) scale(1)}50%{opacity:1;transform:translate(-50%) scale(1.04)}}@keyframes stageNavOrbit{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes stageNavBreathe{0%{opacity:.74;filter:saturate(.96)}to{opacity:.98;filter:saturate(1.16)}}@keyframes navPulse{0%{transform:translateY(-50%) scale(1)}45%{transform:translateY(-50%) scale(1.14);box-shadow:0 16px 34px #020617a8,0 0 24px #7dd3fc70}to{transform:translateY(-50%) scale(1)}}@keyframes centerArriveFromRight{0%{transform:translate3d(calc(-50% + 98px),-48%,-130px) rotateY(-14deg) scale(.94)}62%{transform:translate3d(calc(-50% - 6px),-58%,112px) rotateY(1.5deg) scale(1.02)}to{transform:translate3d(calc(-50% + 0px),-56%,82px) rotateY(0) scale(1)}}@keyframes centerArriveFromLeft{0%{transform:translate3d(calc(-50% - 98px),-48%,-130px) rotateY(14deg) scale(.94)}62%{transform:translate3d(calc(-50% + 6px),-58%,112px) rotateY(-1.5deg) scale(1.02)}to{transform:translate3d(calc(-50% + 0px),-56%,82px) rotateY(0) scale(1)}}@media(prefers-reduced-motion:reduce){.home-stage-layout.card-container.stage-layout:before,.home-stage-card,.home-stage-card:before,.home-stage-card:after,.home-stage-card .card-icon,.home-stage-nav:before,.home-stage-nav:after{animation:none!important}}@media(max-width:980px){.home-stage-layout.card-container.stage-layout,.home-stage-cards{height:100%;min-height:0}.home-stage-card{width:clamp(198px,30vw,252px);height:clamp(210px,66%,280px)}.home-stage-card.card-pos-left{--card-x: -168px;--card-z: -128px;--card-rotate: 14deg}.home-stage-card.card-pos-right{--card-x: 168px;--card-z: -128px;--card-rotate: -14deg}}@media(max-width:768px){.home-stage-layout.card-container.stage-layout{min-height:0;width:min(520px,100%);perspective:980px}.home-stage-layout.card-container.stage-layout:before{width:min(420px,88%);bottom:18px}.home-stage-cards{width:min(390px,100%);height:100%;min-height:0}.home-stage-card{width:min(84vw,294px);height:clamp(196px,64%,250px);border-radius:24px}.home-stage-card.card-pos-left{--card-x: -68px;--card-y: -50%;--card-z: -70px;--card-rotate: 11deg;--card-scale: .93}.home-stage-card.card-pos-right{--card-x: 68px;--card-y: -50%;--card-z: -70px;--card-rotate: -11deg;--card-scale: .93}.home-stage-card.card-pos-center{--card-y: -56%;--card-z: 68px;--card-scale: 1}.home-stage-nav{width:40px;height:40px;font-size:18px}.home-stage-nav-left{left:8px}.home-stage-nav-right{right:8px}}@media(max-width:480px){.home-stage-cards{width:min(340px,100%)}.home-stage-card.card-pos-left{--card-x: -52px;--card-rotate: 9deg}.home-stage-card.card-pos-right{--card-x: 52px;--card-rotate: -9deg}.home-stage-card .card-description{max-width:180px;font-size:11px}}.bottom-icon-feedback{position:relative;border-color:transparent;background:radial-gradient(circle at 20% 0,#020617,#020617);box-shadow:0 0 0 1px #fbbf2473,0 12px 30px #0f172ae6,0 0 30px #fbbf2473}.bottom-icon-feedback:before{content:"";position:absolute;inset:-3px;border-radius:inherit;background:conic-gradient(from 0deg,#fbbf2400,#fbbf24e6 60deg,#fbbf2400 200deg,#fbbf24bf,#fbbf2400 360deg);opacity:0;z-index:-1;filter:blur(4px);transition:opacity .25s ease;animation:spinRing 4.2s linear infinite}.bottom-icon-feedback:hover:before{opacity:1}.bottom-icon-feedback .bottom-icon-img{width:40px;height:40px;opacity:.96;filter:drop-shadow(0 0 9px rgba(251,191,36,.75));animation:floatIcon 2.8s ease-in-out infinite}.bottom-icon-help{position:relative;border-color:transparent;background:radial-gradient(circle at 20% 0,#0f172a,#020617);box-shadow:0 0 0 1px #2dd4bf4d,0 12px 30px #0f172ae6,0 0 25px #2dd4bf40}.bottom-icon-help:before{content:"";position:absolute;inset:-2px;border-radius:inherit;background:conic-gradient(from 180deg,#2dd4bf00,#2dd4bfe6,#2dd4bf00,#2dd4bfb3,#2dd4bf00 360deg);opacity:0;z-index:-1;filter:blur(3px);transition:opacity .25s ease;animation:spinRing 4s linear infinite}.bottom-icon-help:hover:before{opacity:1}.bottom-icon-help .bottom-icon-img{width:32px;height:32px;opacity:.95;filter:drop-shadow(0 0 8px rgba(45,212,191,.65));animation:floatIcon 3s ease-in-out infinite}:root{--help-edge-margin: 20px}.help-active .card:not(.highlighted),.help-active .user-rank-display:not(.highlighted),.help-active .leaderboard-table:not(.highlighted),.help-active .notification-toggle:not(.highlighted),.help-active .home-side-action:not(.highlighted),.help-active .home-center-search:not(.highlighted),.help-active .journey-floating-key:not(.highlighted),.help-active .bottom-icon-feedback:not(.highlighted),.help-active .bottom-icon-search:not(.highlighted),.help-active .bottom-icon-help:not(.highlighted),.help-active .bottom-icon-logout:not(.highlighted),.help-active-global .chatbot-floating-icon:not(.highlighted){filter:blur(4px) brightness(.7);transition:filter .4s ease-in-out}.card.highlighted,.user-rank-display.highlighted,.leaderboard-table.highlighted,.notification-toggle.highlighted,.home-side-action.highlighted,.home-center-search.highlighted,.journey-floating-key.highlighted,.bottom-icon-feedback.highlighted,.bottom-icon-search.highlighted,.bottom-icon-help.highlighted,.bottom-icon-logout.highlighted,.help-active-global .chatbot-floating-icon.highlighted{z-index:9998;box-shadow:0 0 20px #ffffffd9;animation:highlightPulse 1.5s infinite}.help-overlay{position:fixed;inset:0;z-index:9999;pointer-events:none}.help-tooltip{position:absolute;background:linear-gradient(135deg,#2d3748f2,#1a202cfa);border-radius:12px;padding:12px 16px;box-shadow:0 8px 32px #00000040,0 2px 8px #00000026,inset 0 1px #ffffff1a;max-width:260px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.08);animation:fadeInScale .4s cubic-bezier(.4,0,.2,1),subtleGlow 3s ease-in-out infinite;pointer-events:auto;color:#e2e8f0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;z-index:10000;transform-origin:center}@media(max-width:767px){.help-tooltip{max-width:220px;padding:10px 14px;border-radius:10px;box-shadow:0 6px 24px #0003,0 2px 6px #0000001f,inset 0 1px #ffffff1a}}.help-tooltip h3{margin:0 0 6px;font-size:.95em;font-weight:600;background:linear-gradient(135deg,#60a5fa,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:textReveal .6s ease-out;line-height:1.3;letter-spacing:-.01em}.help-tooltip p{margin:0;font-size:.85em;font-weight:400;line-height:1.4;color:#cbd5e1;animation:textReveal .8s ease-out;letter-spacing:.01em;word-spacing:.5px}@media(max-width:767px){.help-tooltip h3{font-size:.85em;margin:0 0 4px;line-height:1.2}.help-tooltip p{font-size:.75em;line-height:1.3}}.help-tooltip.right .spiral-arrow{position:absolute;left:-60px;top:50%;transform:translateY(-50%) rotate(180deg)}.help-tooltip.left .spiral-arrow{position:absolute;right:-60px;top:70%;transform:translateY(-50%)}.help-tooltip.top .spiral-arrow{position:absolute;bottom:-60px;left:50%;transform:translate(-50%) rotate(90deg)}.help-tooltip.bottom .spiral-arrow{position:absolute;top:-60px;left:50%;transform:translate(-50%) rotate(-90deg)}.help-tooltip.center .spiral-arrow{display:none}.spiral-arrow{width:60px;height:60px;background:radial-gradient(circle,rgba(0,123,255,.8) 0%,transparent 100%);clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%);animation:spiralRotate 2s linear infinite,glow 1.5s infinite;z-index:10001}.help-controls{display:flex;gap:8px;margin-top:12px;justify-content:center;pointer-events:auto}.help-controls button{padding:6px 12px;border:none;border-radius:6px;cursor:pointer;font-weight:500;font-size:.8em;transition:all .2s cubic-bezier(.4,0,.2,1);color:#fff;font-family:inherit;box-shadow:0 2px 4px #0000001a}@media(max-width:767px){.help-controls{gap:6px;margin-top:10px}.help-controls button{padding:5px 10px;font-size:.75em;border-radius:5px}}.help-controls button:disabled{background:linear-gradient(145deg,#4b5563,#374151);cursor:not-allowed;opacity:.6}.help-controls button:nth-child(1){background:linear-gradient(135deg,#fbbf24,#f59e0b)}.help-controls button:nth-child(2){background:linear-gradient(135deg,#3b82f6,#2563eb)}.help-controls button:nth-child(3){background:linear-gradient(135deg,#ef4444,#dc2626)}.help-controls button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.help-controls button:active:not(:disabled){transform:translateY(0);box-shadow:0 1px 3px #0000001a}@keyframes fadeInScale{0%{opacity:0;transform:scale(.9) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes subtleGlow{0%,to{box-shadow:0 8px 32px #00000040,0 2px 8px #00000026,inset 0 1px #ffffff1a}50%{box-shadow:0 8px 32px #0000004d,0 2px 8px #0003,inset 0 1px #ffffff26}}@keyframes highlightPulse{0%,to{box-shadow:0 0 20px #3b82f699}50%{box-shadow:0 0 30px #3b82f6cc}}@keyframes textReveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes glow{0%,to{opacity:.8;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}@keyframes spiralRotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.journey-floating-key{position:fixed;left:50%;top:22px;transform:translate(-50%);z-index:900;display:flex;align-items:center;gap:14px;padding:12px 26px;border-radius:999px;border:1px solid rgba(148,163,184,.55);background:radial-gradient(circle at 0 0,#38bdf847,#0f172af5);box-shadow:0 14px 40px #0f172ae6,0 0 0 1px #0f172ae6 inset,0 0 60px #38bdf861;color:#e5e7eb;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);overflow:hidden;transition:transform .28s cubic-bezier(.4,0,.2,1),box-shadow .28s ease,border-color .28s ease,background .28s ease;animation:journey-enter .6s cubic-bezier(.37,0,.63,1),journey-pulse 3.8s ease-in-out infinite}.journey-floating-key:before{content:"";position:absolute;inset:-2px;border-radius:inherit;background:conic-gradient(from 210deg,#38bdf800,#38bdf8d9,#818cf8d9 160deg,#38bdf800 260deg,#38bdf8b3 320deg,#38bdf800 360deg);opacity:0;filter:blur(6px);z-index:-1;animation:journey-ring-spin 8s linear infinite;transition:opacity .3s ease}.journey-floating-key:hover{transform:translate(-50%) translateY(-4px) scale(1.03);box-shadow:0 18px 52px #0f172af2,0 0 0 1px #94a3b866 inset,0 0 85px #38bdf88c;border-color:#bfdbfee6;background:radial-gradient(circle at 0 0,#38bdf859,#0f172afa)}.journey-floating-key:hover:before{opacity:1}.journey-icon{width:32px;height:32px;border-radius:999px;background:radial-gradient(circle at 25% 20%,#22d3ee,#0ea5e9 40%,#6366f1);display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 4px 16px #38bdf88c,0 0 0 2px #0f172ad9 inset,0 0 20px #38bdf866;position:relative;overflow:hidden;animation:journey-spin 4s linear infinite,journey-icon-glow 2.8s ease-in-out infinite;transition:box-shadow .28s ease}.journey-icon:after{content:"";position:absolute;bottom:-8px;width:60%;height:16px;border-radius:999px;background:radial-gradient(circle at 50% 0,#fbbf24f2,#f8717100);filter:blur(4px);opacity:.85;transform:translateY(4px)}.journey-floating-key:hover .journey-icon{animation-play-state:paused;box-shadow:0 6px 20px #38bdf8bf,0 0 0 2px #0f172af2 inset,0 0 34px #38bdf8a6}.journey-text{text-align:left;display:flex;flex-direction:column;gap:2px}.journey-label{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:500;color:#cbd5e1;opacity:.9}.journey-title{font-size:15px;font-weight:700;letter-spacing:.03em;color:#f9fafb}@keyframes journey-enter{0%{opacity:0;transform:translate(-50%) translateY(-18px) scale(.9)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}@keyframes journey-pulse{0%,to{box-shadow:0 12px 40px #0f172ad9,0 0 60px #38bdf840}50%{box-shadow:0 16px 52px #0f172af2,0 0 90px #38bdf873}}@keyframes journey-ring-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes journey-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes journey-icon-glow{0%,to{box-shadow:0 4px 16px #38bdf88c,0 0 0 2px #0f172ad9 inset,0 0 18px #38bdf859}50%{box-shadow:0 6px 20px #38bdf8bf,0 0 0 2px #0f172ae6 inset,0 0 28px #38bdf88c}}@media(max-width:768px){.journey-floating-key{padding:10px 20px;font-size:12px;gap:10px;top:18px;max-width:92vw;white-space:normal}.journey-icon{width:28px;height:28px;font-size:16px}.journey-label{font-size:10px}.journey-title{font-size:13px}}.bottom-icon-logout:not(.home-header-logout){position:fixed;bottom:30px;left:30px;width:55px;height:55px;border-radius:999px;background:radial-gradient(circle at 20% 0,#0f172a,#020617);border:1px solid rgba(248,113,113,.85);box-shadow:0 0 0 1px #f8717166,0 12px 28px #0f172ae6,0 0 26px #f8717173}.bottom-icon-search{position:relative;border-color:transparent;background:radial-gradient(circle at 20% 0,#020617,#020617);box-shadow:0 0 0 1px #818cf859,0 12px 30px #0f172ae6,0 0 28px #818cf859}.bottom-icon-search:before{content:"";position:absolute;inset:-3px;border-radius:inherit;background:conic-gradient(from 90deg,#818cf800,#818cf8f2,#818cf800 240deg,#818cf8b3 320deg,#818cf800 360deg);opacity:0;z-index:-1;filter:blur(4px);transition:opacity .25s ease;animation:spinRing 3.5s linear infinite}.bottom-icon-search:hover:before{opacity:1}.bottom-icon-search .bottom-icon-img{width:38px;height:38px;opacity:.95;filter:drop-shadow(0 0 8px rgba(129,140,248,.7));animation:floatIcon 2.6s ease-in-out infinite}.search-wrapper{position:relative}.search-dropdown{position:absolute;top:calc(100% + 12px);right:0;left:auto;background:linear-gradient(145deg,#1e293bf5,#0f172afa);border-radius:14px;padding:16px;max-width:300px;width:280px;box-shadow:0 18px 34px #00000073,0 8px 16px #0003,inset 0 1px #ffffff14;border:1px solid rgba(255,255,255,.12);animation:searchSlideIn .25s ease-out;z-index:1100;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.search-dropdown .close-button{position:absolute;top:8px;right:8px;background:#ef444426;border:none;width:24px;height:24px;border-radius:6px;font-size:14px;cursor:pointer;color:#fca5a5;transition:all .2s ease;display:flex;align-items:center;justify-content:center;font-weight:500}.search-dropdown .close-button:hover{background:#ef444440;color:#ef4444;transform:rotate(90deg) scale(1.05);box-shadow:0 2px 8px #ef44444d}.search-dropdown h2{text-align:center;background:linear-gradient(135deg,#60a5fa,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:0 0 12px;font-size:.9em;font-weight:600;line-height:1.2}.search-input{width:100%;padding:10px 12px;border:2px solid transparent;border-radius:10px;font-size:13px;margin-bottom:12px;transition:all .3s ease;color:#f1f5f9;background:linear-gradient(145deg,#334155cc,#1e293be6);font-family:inherit;box-sizing:border-box}.search-input:focus{border-color:#60a5fa;background:#334155f2;box-shadow:0 0 0 3px #60a5fa26,0 4px 12px #60a5fa1f;outline:none}.search-input::placeholder{color:#94a3b8}.submit-button{width:100%;padding:10px 12px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .25s ease;font-family:inherit;box-shadow:0 2px 8px #3b82f633}.submit-button:hover{background:linear-gradient(135deg,#2563eb,#1e40af);transform:translateY(-1px);box-shadow:0 6px 20px #3b82f64d}.submit-button:active{transform:translateY(0)}.search-response{margin-top:12px;text-align:center;animation:resultFadeIn .2s ease-out}.search-response p{color:#cbd5e1;font-size:12px;margin:0 0 10px;line-height:1.3;font-weight:500}.suggestion-button{padding:8px 12px;background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;transition:all .25s ease;box-shadow:0 2px 8px #10b98133}.suggestion-button:hover{background:linear-gradient(135deg,#059669,#047857);transform:translateY(-1px);box-shadow:0 6px 20px #10b9814d}@keyframes searchSlideIn{0%{opacity:0;transform:scale(.95) translateY(-8px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes resultFadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media(max-width:768px){.search-dropdown{right:50%;transform:translate(50%);max-width:min(300px,92vw);width:min(300px,92vw)}}:root{--topics-gap: 60px}.wrapper{width:min(1100px,95%);margin:0 auto;padding:48px 10px var(--topics-gap)}.flashcards-header{text-align:center;margin-bottom:28px}.flashcards-header h1{margin:0 0 8px;font-size:clamp(30px,3.5vw,40px);color:var(--text)}.flashcards-header p{margin:0;font-size:clamp(20px,2.2vw,22px);color:var(--text)}.topics{display:grid;grid-template-columns:repeat(4,minmax(180px,200px));grid-template-rows:repeat(2,1fr);gap:var(--topics-gap);justify-content:center}.blob-pill{position:relative;width:180px;height:180px;border-radius:50%;border:var(--borderW) solid var(--teal-1);color:var(--text);background:transparent;box-shadow:var(--shadow);display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;cursor:pointer;overflow:hidden;transition:color .45s ease,transform .25s ease,box-shadow .25s ease,border-color .25s ease}.blob-pill:hover{color:#fff;border-color:var(--teal-2);transform:translateY(-6px) scale(1.05);box-shadow:0 12px 25px #00000059}.blob-pill__label{position:relative;z-index:2;font-size:20px;line-height:1.3;margin:0}.blob-pill__inner{z-index:1;overflow:hidden;position:absolute;inset:0;border-radius:50%;background:transparent}.blob-pill__blobs{position:relative;display:block;height:100%;filter:url(#goo)}.blob-pill__blob{position:absolute;top:var(--borderW);width:25%;height:100%;background:linear-gradient(145deg,var(--teal-1),var(--teal-2));border-radius:100%;transform:translate3d(0,150%,0) scale(1.4);transition:transform .45s}.blob-pill__blob:nth-child(1){left:0%;transition-delay:0s}.blob-pill__blob:nth-child(2){left:25%;transition-delay:.08s}.blob-pill__blob:nth-child(3){left:50%;transition-delay:.16s}.blob-pill__blob:nth-child(4){left:75%;transition-delay:.24s}.blob-pill:hover .blob-pill__blob{transform:translateZ(0) scale(1.4)}@media(max-width:900px){:root{--topics-gap: 40px}.topics{grid-template-columns:repeat(2,minmax(160px,1fr))}header h1{font-size:clamp(26px,4vw,34px)}header p{font-size:clamp(18px,2.4vw,20px)}}@media(max-width:600px){:root{--topics-gap: 32px}.topics{grid-template-columns:repeat(2,minmax(140px,1fr))}header{margin-bottom:22px}header h1{font-size:24px}header p{font-size:16px}}@media(max-width:500px){.blob-pill{width:130px;height:130px;padding:15px}.blob-pill__label{font-size:16px}}.flashcards-scale{transform:scale(.8);transform-origin:top center;width:125%}.title-container{text-align:center;margin:0 auto 25px;z-index:10;width:100%;max-width:800px}.topic-domain-line{margin:10px 0 8px;font-size:18px;font-weight:700;letter-spacing:.02em;color:#f6efe9;text-shadow:0 2px 12px rgba(42,157,143,.35),0 0 22px rgba(255,255,255,.14);animation:topicDomainPulse 2.8s ease-in-out infinite}.topic-domain-line span{font-weight:800;background:linear-gradient(90deg,#f6efe9,#89f0da 45%,#2cbd8d);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-shadow:none}@keyframes topicDomainPulse{0%{transform:translateY(0);opacity:.95}50%{transform:translateY(-1px);opacity:1}to{transform:translateY(0);opacity:.95}}.main-title{font-size:34px;font-weight:700;color:var(--title-color);text-shadow:0 0 15px var(--title-shadow);margin:20;letter-spacing:1px;position:relative;display:inline-block}.main-title:after{content:"";position:absolute;bottom:-10px;left:10%;width:80%;height:3px;background:linear-gradient(90deg,transparent,var(--accent-color),transparent);border-radius:2px}.subtitle{font-size:15px;color:#f2e9e4b3;margin-top:10px;font-weight:500}.carousel-container{position:relative;width:100%;max-width:1400px;height:600px;display:flex;flex-direction:column;justify-content:flex-start;align-items:center;margin-top:0}.cards-wrapper{position:relative;width:100%;max-width:1200px;height:var(--card-height);display:flex;justify-content:center;align-items:center;margin-top:80px}.flash-card-container{perspective:1000px;position:absolute;transition:all .8s cubic-bezier(.23,1,.32,1);left:50%;transform:translate(-50%)}.flash-card-container.center{transform:translate(-50%) translateY(0) scale(1);z-index:3;opacity:1}.flash-card-container.left{transform:translate(-50%) translate(calc(-1 * var(--card-spacing))) translateY(0) scale(.85);z-index:2;opacity:.7}.flash-card-container.right{transform:translate(-50%) translate(var(--card-spacing)) translateY(0) scale(.85);z-index:2;opacity:.7}.flash-card-container.far-left,.flash-card-container.far-right,.flash-card-container.hidden{transform:translate(-50%) translateY(0) scale(0);opacity:0;pointer-events:none}.flash-card{width:var(--card-width);height:var(--card-height);border-radius:20px;color:var(--text-color);font-size:var(--card-font-size);font-weight:600;cursor:pointer;background:linear-gradient(145deg,#ffffff1a,#0003);box-shadow:0 6px 15px #0000004d,inset 0 -3px 10px #ffffff1a;position:relative;transform-style:preserve-3d;transition:transform .3s ease,box-shadow .3s ease;display:flex;justify-content:center;align-items:center;text-align:center;padding:20px}.flash-card:before{content:"";position:absolute;inset:-2px;border-radius:22px;border:2px solid transparent;pointer-events:none;transition:border-color .3s ease,box-shadow .3s ease}.flash-card-container.center .flash-card:hover:before{border-color:var(--accent-color);box-shadow:0 0 15px #f2e9e499}.flash-card-container.center .flash-card:hover{transform:scale(1.05);box-shadow:0 10px 25px #00000080,inset 0 -3px 10px #ffffff1a}.flash-card.flipped{transform:rotateY(180deg)}.flash-card-container.center .flash-card.flipped:hover{transform:rotateY(180deg) scale(1.05)}.flash-card-face{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;justify-content:center;align-items:center;padding:20px;border-radius:20px;overflow:hidden;box-sizing:border-box}.flash-card-front{background:linear-gradient(145deg,var(--card-front-gradient-start),var(--card-front-gradient-end))}.flash-card-back{transform:rotateY(180deg);background:linear-gradient(145deg,#2a9d8f,#2cbd8d)}.flash-card-front.hovered p{animation:pulse 1.5s infinite}.navigation{position:absolute;top:50%;transform:translateY(-50%);background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;font-size:24px;width:52px;height:52px;border-radius:50%;cursor:pointer;transition:all .3s ease;z-index:10;display:flex;justify-content:center;align-items:center;font-weight:300}.navigation:hover{background:#f2e9e433;border-color:#f2e9e466;transform:translateY(-50%) scale(1.1);box-shadow:0 5px 20px #f2e9e44d}.nav-left{left:-105px}.nav-right{right:-105px}.card-indicator{position:absolute;left:50%;bottom:0;transform:translate(-50%);display:flex;gap:12px;z-index:10;flex-wrap:wrap;justify-content:center;max-width:90%}.indicator-dot{width:12px;height:12px;border-radius:50%;background:#ffffff4d;cursor:pointer;transition:all .4s ease;border:2px solid transparent}.indicator-dot:hover{background:#f2e9e499;transform:scale(1.2)}.indicator-dot.active{background:var(--accent-color);transform:scale(1.3);box-shadow:0 0 10px #f2e9e499}.card-counter{position:absolute;top:18px;left:18px;background:#ffffff1a;border-radius:10px;padding:8px 16px;color:#fff;z-index:20;font-size:16px;font-weight:600}:root{--card-width: 420px;--card-height: 260px;--card-spacing: 360px;--card-font-size: 22px}@media(max-width:768px){:root{--card-width: 320px;--card-height: 220px;--card-spacing: 300px;--card-font-size: 18px}.main-title{font-size:26px;margin-bottom:20px}.subtitle{font-size:14px;margin-bottom:70px}.title-container{margin-bottom:40px}.topic-domain-line{margin:7px 0;font-size:14px}.carousel-container{height:auto}.cards-wrapper{width:100%;max-width:100%;margin-top:170px;height:auto}.flash-card-container.left,.flash-card-container.right,.flash-card-container.far-left,.flash-card-container.far-right{transform:translate(-50%) translateY(0) scale(0);opacity:0;pointer-events:none}.navigation{width:46px;height:46px;font-size:20px}.nav-left{left:-50px;top:55%}.nav-right{right:-50px;top:55%}.card-counter{top:-30px;left:-90px;padding:6px 12px;font-size:14px}.card-indicator{bottom:-160px}}.page-wrapper{width:min(1100px,95%);margin:0 auto;padding:48px 10px;background:var(--bg-page);color:var(--text);display:flex;flex-direction:column;align-items:center}.back-button{margin-bottom:40px;width:100%;display:flex;justify-content:flex-start}.education-course-header{text-align:center;margin-bottom:60px;width:100%}.education-course-header h1{margin:0 0 12px;font-size:clamp(30px,3.5vw,40px);color:var(--text)}.education-course-header p{margin:0;font-size:clamp(18px,2vw,20px);color:var(--muted-text)}.education-courses{display:grid;grid-template-columns:repeat(3,minmax(300px,1fr));gap:30px;justify-content:center;margin-bottom:40px;max-width:1100px;width:100%}@media(max-width:900px){.education-courses{grid-template-columns:repeat(2,minmax(300px,1fr))}}@media(max-width:600px){.education-courses{grid-template-columns:1fr}}.course-card{background:var(--card-bg);border-radius:var(--border-radius);padding:20px;box-shadow:var(--shadow);transition:transform .3s ease,box-shadow .3s ease,background .3s ease;text-align:center}.course-card:hover{background:var(--card-hover);transform:translateY(-5px);box-shadow:0 12px 25px #00000059}.course-card.disabled{opacity:.6;cursor:not-allowed}.course-card.disabled:hover{transform:none;box-shadow:var(--shadow)}.course-card h3{margin:10px 0;font-size:22px;color:var(--text)}.course-card p{margin:0 0 20px;font-size:16px;color:var(--muted-text);line-height:1.5}.learn-more-btn{display:inline-block;padding:8px 16px;background:linear-gradient(145deg,var(--teal-1),var(--teal-2));color:var(--text);text-decoration:none;border-radius:20px;font-weight:600;transition:transform .2s ease,box-shadow .2s ease}.learn-more-btn:hover{transform:translateY(-2px);box-shadow:0 4px 15px #2a9d8f80}.course-card.disabled .learn-more-btn{background:#4a657a;pointer-events:none}.course-card.disabled .learn-more-btn:hover{transform:none;box-shadow:none}.course-menu-wrapper{max-width:1200px;margin:40px auto;padding:20px}.course-menu-header{text-align:center;margin-bottom:40px}.course-menu-back-link{display:inline-block;margin-bottom:20px;color:#2a9d8f;text-decoration:none;font-weight:700;transition:color .3s}.course-menu-back-link:hover{color:#21867a}.course-menu-header h1{font-size:2.5em;margin:0;color:#264653}.course-menu-header p{font-size:1.2em;color:#6c757d}.course-menu-grid{display:grid;grid-template-columns:repeat(4,minmax(250px,1fr));gap:20px}@media(max-width:900px){.course-menu-grid{grid-template-columns:repeat(2,minmax(250px,1fr))}}@media(max-width:600px){.course-menu-grid{grid-template-columns:1fr}}.course-menu-card{background:#fff;border-radius:15px;box-shadow:0 10px 20px #0000001a;padding:24px 12px;text-align:center;text-decoration:none;color:inherit;transition:transform .3s,box-shadow .3s}.course-menu-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px #00000026}.course-menu-icon{width:80px;height:80px;margin-bottom:20px}.course-menu-card h3{font-size:1.5em;margin:10px 0;color:#2a9d8f}.course-menu-card p{font-size:.9em;color:#6c757d}.course-menu-main-link-wrapper{text-align:center;margin-bottom:32px}.course-menu-main-link{display:inline-flex;align-items:center;justify-content:center;gap:10px;background-color:#2a9d8f;color:#fff;font-weight:700;font-size:1.2em;padding:15px 40px;border-radius:50px;text-decoration:none;box-shadow:0 8px 18px #2a9d8f4d;transition:background-color .3s,transform .3s,box-shadow .3s}.course-menu-main-link:hover{background-color:#21867a;transform:translateY(-5px);box-shadow:0 12px 25px #2a9d8f66}.course-menu-main-link-icon{font-size:1.3em;transition:transform .3s}.course-menu-main-link:hover .course-menu-main-link-icon{transform:translate(5px)}.section-wrapper{width:100%;max-width:1000px;margin:20px auto;padding:15px;background:#fff;border-radius:12px;box-shadow:0 8px 16px #0000001a}.section-header{margin-bottom:30px}.section-wrapper.question-bank-page{max-width:1100px;margin:24px auto;padding:24px 28px;display:flex;flex-direction:column;align-items:center}.question-bank-header{width:100%;max-width:900px;display:flex;flex-direction:column;align-items:stretch;gap:12px;margin-bottom:22px;text-align:left}.question-bank-topbar{display:flex;align-items:center;justify-content:flex-start;min-height:40px}.question-bank-title{width:100%;margin:0;text-align:center;line-height:1.3;font-size:1.9rem}.question-bank-page .question-list{width:100%;max-width:900px;margin:0 auto}.question-bank-nav-link{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;background:linear-gradient(135deg,#2a9d8f,#1f7f75);color:#fff;padding:8px 14px;border-radius:999px;font-weight:700;text-decoration:none;transition:transform .15s ease,box-shadow .2s ease,filter .2s ease}.question-bank-nav-link:hover{transform:translateY(-1px);box-shadow:0 8px 18px #2a9d8f52;filter:brightness(1.04)}.section-wrapper.edu-notes-page,.section-wrapper.edu-quiz-page{max-width:1100px;margin:24px auto;padding:24px 28px}.edu-notes-header,.edu-quiz-header{width:100%;max-width:900px;margin:0 auto 22px;display:flex;flex-direction:column;gap:12px}.edu-notes-topbar,.edu-quiz-topbar{display:flex;justify-content:flex-start;min-height:40px}.edu-notes-title,.edu-quiz-title{width:100%;margin:0;text-align:center;line-height:1.3;font-size:1.9rem;color:#264653}.edu-notes-nav-link,.edu-quiz-nav-link{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;background:linear-gradient(135deg,#2a9d8f,#1f7f75);color:#fff;padding:8px 14px;border-radius:999px;font-weight:700;text-decoration:none;transition:transform .15s ease,box-shadow .2s ease,filter .2s ease}.edu-notes-nav-link:hover,.edu-quiz-nav-link:hover{transform:translateY(-1px);box-shadow:0 8px 18px #2a9d8f52;filter:brightness(1.04)}.section-wrapper.edu-video-page{max-width:1100px;margin:24px auto;padding:24px 28px}.edu-video-header{width:100%;max-width:900px;margin:0 auto 22px;display:flex;flex-direction:column;gap:12px}.edu-video-topbar{display:flex;justify-content:flex-start;min-height:40px}.edu-video-title{width:100%;margin:0;text-align:center;line-height:1.3;font-size:1.9rem;color:#264653}.edu-video-nav-link{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;background:linear-gradient(135deg,#2a9d8f,#1f7f75);color:#fff;padding:8px 14px;border-radius:999px;font-weight:700;text-decoration:none;transition:transform .15s ease,box-shadow .2s ease,filter .2s ease}.edu-video-nav-link:hover{transform:translateY(-1px);box-shadow:0 8px 18px #2a9d8f52;filter:brightness(1.04)}.edu-video-frame{position:relative;width:100%;max-width:960px;margin:0 auto}.edu-video-player-shell{background:#fff;padding:clamp(12px,2vw,24px);border-radius:12px;box-shadow:0 8px 24px #0000001a}.edu-video-empty{margin:0 auto;max-width:900px;color:#6c757d;text-align:center}.section-back-link{display:block;margin:0 auto 20px;text-align:center;color:#2a9d8f;text-decoration:none;font-weight:700;transition:color .3s}.section-back-link:hover{color:#21867a}.section-header h1{font-size:2em;color:#264653}.section-header p{font-size:1.1em;color:#6c757d}.section-card{padding:20px}.section-content{line-height:1.6;word-wrap:break-word;overflow-wrap:break-word}.section-content img{max-width:100%;height:auto}.section-content table{width:100%;border-collapse:collapse;margin:15px 0;font-size:14px}.section-content table th,.section-content table td{border:1px solid #ddd;padding:8px 12px;text-align:left;word-wrap:break-word;overflow-wrap:break-word}.section-content table th{background:#f8f9fa;font-weight:600}.section-content pre,.section-content code{word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap;max-width:100%;overflow-x:auto}.section-content blockquote{margin:20px 0;padding:10px 20px;border-left:4px solid #ddd;background:#f9f9f9;font-style:italic}@media(max-width:768px){.section-wrapper.question-bank-page{width:100%;max-width:100%;margin:12px auto;padding:14px 12px}.question-bank-header{max-width:100%;margin-bottom:16px;text-align:left}.question-bank-topbar{justify-content:flex-start}.question-bank-nav-link{align-self:flex-start;padding:7px 12px;font-size:13px}.question-bank-page .question-list{max-width:100%}.section-wrapper.edu-notes-page,.section-wrapper.edu-quiz-page,.section-wrapper.edu-video-page{width:100%;max-width:100%;margin:12px auto;padding:14px 12px}.edu-notes-header,.edu-quiz-header,.edu-video-header{max-width:100%;margin-bottom:16px}.edu-notes-nav-link,.edu-quiz-nav-link,.edu-video-nav-link{padding:7px 12px;font-size:13px}.edu-notes-title,.edu-quiz-title,.edu-video-title{font-size:1.55rem}.edu-video-frame{max-width:100%}.section-wrapper{width:70%;max-width:95%;margin:10px auto;padding:10px;border-radius:8px;box-shadow:0 4px 8px #0000001a}.section-content{line-height:1.5;font-size:14px}.section-content h1{font-size:1.5em}.section-content h2{font-size:1.3em}.section-content h3{font-size:1.2em}.section-content table{font-size:11px}.section-content table th,.section-content table td{padding:4px 6px}.section-content pre,.section-content code{font-size:11px}.section-content blockquote{padding:8px 15px;font-size:12px}}.question-card details summary{cursor:pointer;color:#e76f51;font-weight:700;margin-bottom:5px;-webkit-user-select:none;user-select:none;padding:4px 8px;background:#e76f511a;border-radius:4px;transition:background-color .2s cubic-bezier(.4,0,.2,1);font-size:13px;will-change:background-color}@media(max-width:768px){.question-list{gap:10px}.question-card{padding:10px;border-radius:6px;margin-bottom:10px}.question-card h3{font-size:15px;margin-bottom:6px}.question-card .question-html{font-size:12px;margin-bottom:8px;line-height:1.4}.question-card .answer-html{padding:6px;font-size:11px;max-height:120px;line-height:1.3;margin-top:6px;scrollbar-width:thin;scrollbar-color:#e76f51 #f1f3f4}.question-card .answer-html::-webkit-scrollbar{width:4px}.question-card .answer-html::-webkit-scrollbar-track{background:#f1f3f4;border-radius:2px}.question-card .answer-html::-webkit-scrollbar-thumb{background:#e76f51;border-radius:2px}.question-card details{margin-top:8px}.question-card details summary{font-size:12px;margin-bottom:4px;padding:3px 6px}}.quiz-question{background:#f8f9fa;border-radius:10px;padding:20px;box-shadow:0 5px 10px #0000000d;word-wrap:break-word;overflow-wrap:break-word}.quiz-question-html img,.question-html img,.answer-html img,.quiz-question-html .edu-content-image{max-width:100%;height:auto;border-radius:8px;display:block;margin:.75rem 0}.quiz-question-html mjx-container,.quiz-question-html .MathJax,.question-card .question-html mjx-container,.question-card .answer-html mjx-container{max-width:100%;overflow-x:auto}.question-card .question-html,.question-card .answer-html{color:#1a1a1a;min-height:1em}.quiz-option-html{display:inline-block;vertical-align:top;margin-left:4px;line-height:1.4}.quiz-option-html mjx-container{vertical-align:middle}.solution-inner img,.solution-inner .edu-content-image{max-width:100%;height:auto;border-radius:8px;display:block;margin:.75rem 0}.solution-inner mjx-container{max-width:100%;overflow-x:auto}.question-card--ai{border:1px solid rgba(124,58,237,.28);background:linear-gradient(180deg,#f5f3ffbf,#f8fafceb 60%)}.question-ai-chip{display:inline-block;margin:0 0 10px;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700;color:#5b21b6;background:#7c3aed1f;border:1px solid rgba(124,58,237,.25)}.question-ai-rating{margin-top:10px;padding-top:10px;border-top:1px dashed rgba(15,23,42,.16)}.question-ai-rating p{margin:0;font-size:12px;color:#475569}.question-ai-stars{display:flex;flex-wrap:wrap;gap:8px}.question-ai-stars button{border:1px solid rgba(79,70,229,.25);background:#6366f112;color:#4338ca;border-radius:8px;padding:6px 10px;cursor:pointer;font-size:12px;font-weight:700}@media(max-width:768px){.quiz-form{gap:20px}.quiz-question{padding:15px;border-radius:8px}.quiz-question h3{font-size:16px;margin-bottom:10px}.quiz-options{gap:6px;margin-top:10px}.quiz-question label{display:flex;align-items:flex-start;gap:8px;padding:8px 10px;background:#ffffffb3;border-radius:4px;border:1px solid rgba(0,0,0,.08);font-size:13px;line-height:1.3}.quiz-question input[type=radio]{margin-top:1px;flex-shrink:0}.quiz-submit{padding:10px 20px;font-size:14px}}.collapse.open{max-height:1000px;opacity:1;transform:translateY(0)}.solution-inner{padding:1rem 1.1rem;max-width:100%;color:#e8f0ff;word-wrap:break-word;overflow-wrap:break-word;line-height:1.5}.solution-inner table{width:100%;border-collapse:collapse;margin:10px 0;font-size:11px;overflow-x:auto;display:block}.solution-inner table th,.solution-inner table td{border:1px solid #2f3a60;padding:4px 6px;text-align:left}@media(max-width:768px){.solution-toggle{padding:.4rem .7rem;font-size:12px;border-radius:8px}.solution-inner{padding:.8rem .9rem;font-size:12px;line-height:1.4}.solution-inner h2,.solution-inner h3{margin:.4rem 0 .25rem;font-size:14px}.solution-inner p{margin:.25rem 0}.solution-inner ul,.solution-inner ol{margin:.25rem 0 .4rem 1rem}.solution-inner details{padding:.4rem .6rem;margin:.4rem 0}.solution-inner pre,.solution-inner code{font-size:11px;padding:.2rem .4rem}.solution-wrapper{max-height:350px}.solution-wrapper::-webkit-scrollbar{width:6px}.solution-wrapper::-webkit-scrollbar-track{background:#151b2b;border-radius:3px}.solution-wrapper::-webkit-scrollbar-thumb{background:#3ddc97;border-radius:3px}.collapse.open{max-height:600px;overflow:visible}}.section-loading,.section-error{text-align:center;color:#6c757d}.question-list{display:flex;flex-direction:column;gap:15px}.question-card{background:#f8f9fa;border-radius:8px;padding:15px;box-shadow:0 3px 8px #0000000d;word-wrap:break-word;overflow-wrap:break-word;margin-bottom:12px}@media(max-width:768px){.question-list{gap:10px}.question-card{padding:10px;border-radius:6px;margin-bottom:10px}.question-card h3{font-size:15px;margin-bottom:6px}.question-card .question-html{font-size:12px;margin-bottom:8px;line-height:1.4}.question-card .answer-html{padding:6px;font-size:11px;max-height:120px;line-height:1.3;margin-top:6px;scrollbar-width:thin;scrollbar-color:#e76f51 #f1f3f4}.question-card .answer-html::-webkit-scrollbar{width:4px}.question-card .answer-html::-webkit-scrollbar-track{background:#f1f3f4;border-radius:2px}.question-card .answer-html::-webkit-scrollbar-thumb{background:#e76f51;border-radius:2px}.question-card details{margin-top:8px}}.question-card h3{margin:0 0 10px;color:#2a9d8f}.question-card details{margin-top:10px}.question-card details summary{cursor:pointer;color:#e76f51;font-weight:700;margin-bottom:5px;-webkit-user-select:none;user-select:none;padding:4px 8px;background:#e76f511a;border-radius:4px;transition:background-color .2s;font-size:13px}.question-card details summary:hover{background:#e76f5126}.question-card .question-html{margin-bottom:15px;line-height:1.6;word-wrap:break-word;overflow-wrap:break-word}.question-card .answer-html{margin-top:8px;padding:12px;background:#f1f3f4;border-radius:6px;border-left:3px solid #e76f51;line-height:1.4;word-wrap:break-word;overflow-wrap:break-word;max-height:200px;overflow-y:auto;font-size:13px;scrollbar-width:thin;scrollbar-color:#e76f51 #f1f3f4}.question-card .answer-html::-webkit-scrollbar{width:6px}.question-card .answer-html::-webkit-scrollbar-track{background:#f1f3f4;border-radius:3px}.question-card .answer-html::-webkit-scrollbar-thumb{background:#e76f51;border-radius:3px}.question-card .answer-html::-webkit-scrollbar-thumb:hover{background:#d45d47}.question-card .answer-html img{max-width:100%;height:auto}.question-card .answer-html pre,.question-card .answer-html code{word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap}@media(max-width:768px){.question-card .answer-html{padding:12px;font-size:14px}.question-card details summary{font-size:14px}}.quiz-form{display:flex;flex-direction:column;gap:30px}.solution-actions{display:flex;justify-content:flex-end;margin:.25rem 0 .6rem}.solution-toggle{background:linear-gradient(135deg,#2a324f,#3a4370);color:#eaf2ff;border:1px solid #32406a;padding:.48rem .85rem;border-radius:10px;cursor:pointer;font-weight:700;letter-spacing:.2px;transition:transform .08s ease,box-shadow .2s ease,background .2s ease;font-size:13px}.solution-toggle:hover{transform:translateY(-1px);box-shadow:0 6px 18px #00000040;background:linear-gradient(135deg,#303a5d,#475189)}.solution-toggle:disabled{opacity:.6;cursor:not-allowed}.collapse{max-height:0;opacity:0;overflow:hidden;transform:translateY(-10px);transition:all .3s cubic-bezier(.4,0,.2,1);will-change:max-height,opacity,transform}.collapse.open{max-height:800px;opacity:1;transform:translateY(0)}.solution-wrapper{max-width:100%;border:1px solid #32406a;background:#151b2b;border-radius:12px;overflow:auto;margin-top:10px;max-height:500px;scrollbar-width:thin;scrollbar-color:#3ddc97 #151b2b}.solution-wrapper::-webkit-scrollbar{width:8px}.solution-wrapper::-webkit-scrollbar-track{background:#151b2b;border-radius:6px}.solution-wrapper::-webkit-scrollbar-thumb{background:#3ddc97;border-radius:6px}.solution-wrapper::-webkit-scrollbar-thumb:hover{background:#2cbd8d}.solution-inner{padding:1rem 1.1rem;max-width:100%;color:#e8f0ff;word-wrap:break-word;line-height:1.5;overflow-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto}.solution-inner h2,.solution-inner h3{color:#9bffde;margin:.6rem 0 .35rem}.solution-inner p{color:#d8e6ff;margin:.35rem 0}.solution-inner ul,.solution-inner ol{color:#d8e6ff;margin:.35rem 0 .5rem 1.2rem}.solution-inner .answer{color:#3ddc97;font-weight:700;margin-top:.5rem}.solution-inner details{background:#1a2138;border:1px solid #2f3a60;border-radius:10px;padding:.5rem .75rem;margin:.5rem 0}.solution-inner summary{cursor:pointer;color:#9bd0ff;font-weight:700}.solution-inner img{max-width:100%;height:auto;border-radius:6px;margin:.5rem 0}.solution-inner table{width:100%;border-collapse:collapse;margin:10px 0;font-size:11px;overflow-x:auto;display:block;white-space:nowrap}.solution-inner table th,.solution-inner table td{border:1px solid #2f3a60;padding:4px 6px;text-align:left;white-space:nowrap}.solution-inner table th{background:#1a2138;font-weight:600}.solution-inner pre,.solution-inner code{word-wrap:break-word;overflow-wrap:break-word;white-space:pre-wrap;background:#1a2138;padding:.25rem .5rem;border-radius:4px;font-size:12px;max-width:100%;overflow-x:auto}.indicator{margin-left:.4rem;font-weight:700}.indicator.ok{color:#38c172}.indicator.bad{color:#e3342f}.quiz-question{background:#f8f9fa;border-radius:10px;padding:20px;box-shadow:0 5px 10px #0000000d;width:100%;max-width:100%;box-sizing:border-box;word-wrap:break-word;overflow-wrap:break-word}.quiz-options{display:flex;flex-direction:column;gap:10px;margin-top:15px}@media(max-width:768px){.quiz-form{gap:15px}.quiz-question{padding:12px;border-radius:6px}.quiz-question h3{font-size:16px;margin-bottom:10px}.quiz-options{gap:6px;margin-top:10px}.quiz-question label{display:flex;align-items:flex-start;gap:8px;padding:8px 10px;background:#ffffffb3;border-radius:4px;border:1px solid rgba(0,0,0,.08);font-size:13px;line-height:1.3}.quiz-question input[type=radio]{margin-top:1px;flex-shrink:0}.quiz-submit{padding:10px 20px;font-size:14px}.solution-toggle{padding:.4rem .7rem;font-size:12px;border-radius:8px}.solution-inner{padding:.8rem .9rem;font-size:12px;line-height:1.4;overflow-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto}.solution-inner h2,.solution-inner h3{margin:.4rem 0 .25rem;font-size:14px}.solution-inner p{margin:.25rem 0}.solution-inner ul,.solution-inner ol{margin:.25rem 0 .4rem 1rem}.solution-inner details{padding:.4rem .6rem;margin:.4rem 0}.solution-inner table{font-size:10px}.solution-inner table th,.solution-inner table td{padding:3px 4px}.solution-inner pre,.solution-inner code{font-size:11px;padding:.2rem .4rem}.solution-wrapper{max-height:350px;overflow:auto;scrollbar-width:thin;scrollbar-color:#3ddc97 #151b2b}.solution-wrapper::-webkit-scrollbar{width:6px}.solution-wrapper::-webkit-scrollbar-track{background:#151b2b;border-radius:3px}.solution-wrapper::-webkit-scrollbar-thumb{background:#3ddc97;border-radius:3px}.collapse.open{max-height:600px;opacity:1;transform:translateY(0)}}.quiz-question h3{margin:0 0 15px;color:#2a9d8f}.quiz-question label{display:block;margin:10px 0;cursor:pointer;word-wrap:break-word;overflow-wrap:break-word}@media(max-width:768px){.quiz-question label{margin:8px 0;font-size:14px}}.quiz-submit{padding:12px 24px;background:linear-gradient(145deg,#2a9d8f,#2cbd8d);color:#fff;border:none;border-radius:25px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s;align-self:center}.quiz-submit:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.quiz-submit-notice{margin:8px 0 14px;padding:10px 12px;border-radius:8px;border:1px solid #ffe1a6;background:#fff6e6;color:#8a5d10;font-weight:600}.quiz-score{text-align:center;font-size:1.2em;color:#264653;margin-top:20px}.quiz-results-summary{margin-top:20px;padding:16px;border:1px solid #dbe8f7;border-radius:12px;background:#f7fbff}.quiz-results-summary h3{margin:0 0 8px;color:#1f3f5b;font-size:1.1rem}.quiz-result-stats{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:14px}.quiz-result-stat{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-weight:600;font-size:13px;border:1px solid transparent}.quiz-result-stat.stat-correct{background:#e7f8ee;color:#1e7a44;border-color:#bce8cd}.quiz-result-stat.stat-wrong{background:#ffecec;color:#9f1d1d;border-color:#ffd0d0}.quiz-result-stat.stat-unanswered{background:#fff6e9;color:#8a5d10;border-color:#ffe0ad}.quiz-smart-feedback{margin-top:14px;border:1px solid #cfe4ff;border-radius:10px;background:#fff;padding:12px}.quiz-smart-feedback h4{margin:0 0 8px;color:#123f6b}.quiz-smart-feedback-loading{margin:0;color:#355c85;font-weight:600}.quiz-smart-feedback-body{margin:0;color:#1f2937;white-space:pre-wrap;line-height:1.6}.quiz-smart-feedback-error{margin:0;color:#8a1f1f;font-weight:600}@media(max-width:768px){.quiz-results-summary{padding:12px}.quiz-results-summary h3{font-size:1rem}.quiz-result-stat{font-size:12px;padding:5px 8px}.quiz-smart-feedback{padding:10px}.quiz-smart-feedback-body{font-size:13px;line-height:1.5}}.video-container{position:relative;overflow:hidden;width:100%;padding-top:56.25%;border-radius:10px;box-shadow:0 5px 10px #0000001a}.video-player{position:absolute;top:0;left:0;height:100%;width:100%;background-color:#000;object-fit:contain}.video-controls{position:absolute;inset-inline:0;bottom:0rem;height:1.75rem;padding-bottom:.25rem;display:flex;align-items:center;gap:.75rem;padding-inline:1rem;background-color:#000}.icon-size,.play-btn-container{width:1rem;height:1rem}.fullscreen-btn-container{width:1rem;height:1rem;margin-bottom:4px}.progress-container{position:relative;flex:1}.video-progress{position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);pointer-events:none;height:.125rem;width:100%;appearance:none;border:0;background-color:#27272a}.video-progress::-webkit-progress-bar{border-radius:9999px;background-color:#27272a}.video-progress::-webkit-progress-value{border-radius:9999px;background-color:#fff}.video-progress::-moz-progress-bar{border-radius:9999px;background-color:#fff}.video-range{position:absolute;top:50%;left:0;right:0;z-index:10;transform:translateY(-50%);height:.375rem;width:100%;appearance:none;background:transparent}.video-range:focus{outline:none}.video-range::-webkit-slider-runnable-track{height:.125rem;width:100%;cursor:pointer;border-radius:9999px;background:transparent}.video-range::-webkit-slider-thumb{z-index:10;margin-top:-.1875rem;width:.5rem;height:.5rem;cursor:pointer;appearance:none;border-radius:50%;background:#fff}.video-range::-moz-range-track{height:.125rem;width:100%;cursor:pointer;border-radius:9999px;background:transparent}.video-range::-moz-range-thumb{width:.5rem;height:.5rem;cursor:pointer;border:none;border-radius:50%;background:#fff}.video-range::-ms-track{height:.125rem;width:100%;cursor:pointer;background:transparent;color:transparent}.video-range::-ms-fill-lower{border-radius:9999px;background:#fff}.video-range::-ms-fill-upper{border-radius:9999px;background:transparent}.video-range::-ms-thumb{width:.375rem;height:.375rem;border-radius:50%;background:#fff}.time-display{font-size:.75rem;color:#fff}.time-current{display:inline-block;width:4ch;flex:1}.time-separator{margin-left:3px;margin-right:1px;display:inline-block}.time-duration{display:inline-block;width:4ch}.avatar-container{width:230px;height:230px;z-index:9999;pointer-events:none;transition:all .3s cubic-bezier(.4,0,.2,1);margin:0!important;padding:0!important}.avatar-position-bottom-right{position:fixed;bottom:20px!important;right:20px!important}.avatar-position-bottom-left{position:fixed;bottom:20px!important;left:20px!important}.avatar-position-top-right{position:fixed;top:20px!important;right:20px!important}.avatar-position-top-left{position:fixed;top:20px!important;left:20px!important}.avatar-position-video-overlay{position:absolute;bottom:55px;left:-5px}.avatar-canvas{width:100%;height:100%;border-radius:20px;background:transparent!important;box-shadow:none!important;transition:opacity .5s ease;overflow:hidden;position:relative}.avatar-canvas canvas{display:block;border-radius:16px}.avatar-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:12px;z-index:10}.avatar-spinner{width:40px;height:40px;border:4px solid rgba(102,126,234,.2);border-top-color:#667eea;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1024px){.avatar-container{width:150px;height:150px}}@media(max-width:768px){.avatar-container{width:100px;height:100px}.avatar-position-video-overlay{bottom:-6px;left:-6px}}@media print{.avatar-container{display:none!important}}.controller-app{display:flex;justify-content:space-between;align-items:stretch;flex-direction:row;height:100dvh;width:100vw;background-color:#f4f5f7;overflow:hidden}.controller-sidebar{position:fixed;left:0;top:0;width:300px;height:100dvh;background-color:#1a1a1a;color:#fff;overflow:hidden;transition:transform .28s cubic-bezier(.4,0,.2,1),opacity .18s ease;z-index:50}.controller-sidebar.closed{transform:translate(-100%);opacity:0;pointer-events:none}.controller-sidebar.open{transform:translate(0);opacity:1}.controller-sidebar-content{box-sizing:border-box;width:300px;display:flex;flex-direction:column;gap:15px;padding:20px;height:100%;overflow:hidden}.controller-sidebar-collapsed{position:fixed;left:0;top:0;width:56px;height:100dvh;background:#1a1a1a;border-right:1px solid #2a2a2a;display:flex;flex-direction:column;align-items:center;padding-top:14px;gap:12px;z-index:30}.sidebar-top{display:flex;justify-content:space-between;align-items:center}.icon-btn{width:38px;height:38px;border-radius:50%;border:none;background:transparent;color:#ddd;font-size:18px;cursor:pointer;transition:.15s;display:flex;align-items:center;justify-content:center;line-height:1}.icon-btn:hover{background:#2a2a2a;color:#fff}.back-btn{font-size:20px;transform:translate(1px)}.back-menu-btn{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:10px;background:transparent;color:#ddd;text-decoration:none;font-size:14px;transition:.18s;border:none;cursor:pointer;outline:none;box-shadow:none}.back-menu-btn:hover{background:#2a2a2a;color:#fff}.back-menu-btn:focus,.back-menu-btn:active{outline:none!important;box-shadow:none!important}.controller-select{padding:10px;border-radius:8px;border:none;background-color:#2c2c2c;color:#fff;font-size:14px;cursor:pointer;transition:background-color .3s ease}.controller-select:focus{outline:none;background-color:#3a3a3a}.controller-slider{width:100%;cursor:pointer;accent-color:#6200ea}.controller-button{padding:10px;border:none;border-radius:8px;background-color:#6200ea;color:#fff;font-size:14px;cursor:pointer;transition:background-color .3s ease,transform .2s ease}.controller-button:hover{background-color:#7f39fb;transform:translateY(-2px)}.controller-sessions{flex:1;max-height:100%;overflow-y:auto;overflow-x:hidden;display:flex;flex-direction:column;gap:10px;padding:0 20px;margin:10px -20px 0}.controller-session-item{display:flex;align-items:center;gap:10px}.controller-session-item button{flex:1;padding:10px;border:none;border-radius:8px;background-color:#2c2c2c;color:#fff;font-size:14px;cursor:pointer;text-align:left;transition:background-color .3s ease}.controller-session-item button:hover{background-color:#3a3a3a}.controller-session-item.active button{background-color:#6200ea}.controller-session-item button:last-child{flex:0;background-color:#ff4d4f;padding:8px;font-size:12px}.controller-session-item button:last-child:hover{background-color:#ff7875}.controller-main{position:relative;flex:1;width:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background-color:#fff;overflow:hidden;height:100%}.controller-main .messages_container{flex:1;min-height:0;width:100%;overflow-x:hidden;overflow-y:auto}.controller-main .message_input_container{position:absolute;width:calc(100% - 40px);max-width:840px;left:50%;bottom:24px;transform:translate(-50%)}.controller-main .message_input_container.center{bottom:50%}.controller-main .message_input{box-sizing:border-box;background:#fff;width:100%;height:48px;display:flex;justify-content:center;align-items:center;box-shadow:0 0 4px #0003;border-radius:160px;padding:0 8px;gap:4px}.controller-main .controller-input{width:100%;height:40px;border:none;outline:none;font-size:16px}.controller-main .controller-input:disabled{border:none;outline:none;background:transparent}.controller-main .message_input button{background:transparent;border:none;padding:0;flex-shrink:0;margin:0;color:#1a1a1a;cursor:pointer;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s ease,color .2s ease}.controller-main .message_input button:disabled{opacity:.8;cursor:not-allowed}.controller-main .message_input button:hover{background:#f4f4f4}.controller-main .message_input .controller-send{margin-left:4px;background-color:#6200ea;color:#fff;transition:background-color .3s ease,transform .2s ease}.controller-main .message_input .controller-send:hover{background-color:#7f39fb}.controller-main .message_input .spin{animation:spin 1s linear infinite;display:inline-block}.controller-voice-btn .recording{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%{transform:scale(.95);opacity:.8}50%{transform:scale(1.05);opacity:1}to{transform:scale(.95);opacity:.8}}.messages_container .messages-list{box-sizing:border-box;max-width:840px;margin:0 auto;padding:32px 20px 72px;width:100%}@media(max-width:700px){.messages_container .messages-list{padding-left:16px;padding-right:16px}}.messages_container .messages-empty{text-align:center}.controller-message{box-sizing:border-box;margin-bottom:10px;padding:10px 14px;word-wrap:break-word;font-size:14px;line-height:1.5}.controller-message.user{border-radius:12px 12px 4px;max-width:60%;width:fit-content;background-color:#6200ea;color:#fff;margin-left:auto}.controller-message.assistant{color:#333;width:100%;max-width:100%;border-bottom-left-radius:4px}.controller-message .image-container{display:flex;justify-content:center;align-items:center}.controller-message .image-container img{max-width:85%;height:auto}.controller-app table{width:100%;border-collapse:collapse;border:1px solid #d1d5db;background-color:#fff}.controller-app th{border:1px solid #d1d5db;padding:.5rem .75rem;background-color:#f3f4f6;text-align:left;font-weight:600}.controller-app td{border:1px solid #d1d5db;padding:.5rem .75rem;vertical-align:top}.controller-app td,.controller-app th{text-align:center}.controller-sidebar.open~.controller-main{margin-left:300px;transition:margin-left .28s cubic-bezier(.4,0,.2,1)}.controller-sidebar.closed~.controller-main{margin-left:0}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.45"}.katex .katex-mathml{clip:rect(1px,1px,1px,1px);border:0;height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.paint-canvas-overlay{position:fixed;inset:0;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:10000}.paint-canvas-modal{background-color:#fff;border-radius:12px;box-shadow:0 8px 32px #0000004d;width:90%;max-width:900px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.paint-canvas-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;border-bottom:1px solid #e0e0e0;background-color:#f8f9fa}.paint-canvas-header h2{margin:0;font-size:1.25rem;font-weight:600;color:#333}.paint-canvas-close{background:none;border:none;font-size:28px;color:#666;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background-color .2s}.paint-canvas-close:hover{background-color:#e0e0e0;color:#333}.paint-canvas-toolbar{display:flex;align-items:center;gap:16px;padding:12px 24px;border-bottom:1px solid #e0e0e0;background-color:#fafafa;flex-wrap:wrap}.paint-tool-group{display:flex;align-items:center;gap:8px}.paint-tool-group label{font-size:14px;color:#666;font-weight:500}.paint-color-selector{display:flex;gap:4px;align-items:center}.paint-color-btn{width:28px;height:28px;border:2px solid #ddd;border-radius:4px;cursor:pointer;transition:transform .2s,border-color .2s;padding:0}.paint-color-btn:hover{transform:scale(1.1);border-color:#6200ea}.paint-color-btn.active{border-color:#6200ea;border-width:3px;transform:scale(1.1)}.paint-color-input{width:28px;height:28px;border:2px solid #ddd;border-radius:4px;cursor:pointer;padding:0;transition:transform .2s,border-color .2s;background:none}.paint-color-input:hover{transform:scale(1.1);border-color:#6200ea}.paint-brush-slider{width:100px;cursor:pointer}.paint-brush-size{font-size:14px;color:#666;min-width:40px}.paint-clear-btn{padding:8px 16px;border:1px solid #ddd;border-radius:6px;background-color:#fff;color:#666;cursor:pointer;font-size:14px;transition:all .2s;margin-left:auto}.paint-clear-btn:hover{background-color:#f0f0f0;border-color:#999}.paint-canvas-container{flex:1;display:flex;justify-content:center;align-items:center;padding:24px;background-color:#f5f5f5;overflow:auto}.paint-canvas{border:2px solid #ddd;border-radius:8px;background-color:#fff;cursor:crosshair;box-shadow:0 2px 8px #0000001a}.paint-canvas-footer{display:flex;justify-content:flex-end;gap:12px;padding:16px 24px;border-top:1px solid #e0e0e0;background-color:#f8f9fa}.paint-cancel-btn{padding:10px 20px;border:1px solid #ddd;border-radius:6px;background-color:#fff;color:#666;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.paint-cancel-btn:hover{background-color:#f0f0f0;border-color:#999}.paint-save-btn{padding:10px 20px;border:none;border-radius:6px;background-color:#6200ea;color:#fff;cursor:pointer;font-size:14px;font-weight:500;transition:background-color .2s,transform .2s}.paint-save-btn:hover{background-color:#7f39fb;transform:translateY(-1px)}.paint-save-btn:active{transform:translateY(0)}@media(prefers-color-scheme:dark){.paint-canvas-modal{background-color:#1e1e1e}.paint-canvas-header{background-color:#2c2c2c;border-bottom-color:#333}.paint-canvas-header h2{color:#e0e0e0}.paint-canvas-close{color:#999}.paint-canvas-close:hover{background-color:#333;color:#e0e0e0}.paint-canvas-toolbar{background-color:#252525;border-bottom-color:#333}.paint-tool-group label,.paint-brush-size{color:#ccc}.paint-clear-btn{background-color:#2c2c2c;border-color:#444;color:#ccc}.paint-clear-btn:hover{background-color:#333;border-color:#555}.paint-canvas-container{background-color:#1a1a1a}.paint-canvas{border-color:#444}.paint-canvas-footer{background-color:#2c2c2c;border-top-color:#333}.paint-cancel-btn{background-color:#2c2c2c;border-color:#444;color:#ccc}.paint-cancel-btn:hover{background-color:#333;border-color:#555}}._overlay_bx4dz_2{position:fixed;inset:0;background:#0000008c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:999;animation:_fadeIn_bx4dz_1 .2s ease-out}@keyframes _fadeIn_bx4dz_1{0%{opacity:0}to{opacity:1}}._popup_bx4dz_22{width:min(600px,90vw);max-height:90vh;background:#1f1f23;color:#fff;border-radius:14px;padding:24px;box-shadow:0 10px 40px #0006;display:flex;flex-direction:column;overflow-y:auto;animation:_slideUp_bx4dz_1 .3s ease-out}@keyframes _slideUp_bx4dz_1{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}._header_bx4dz_47{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}h2{margin:0;font-size:24px;font-weight:600}._closeIconBtn_bx4dz_60{background:transparent;border:none;color:#fff;font-size:28px;line-height:1;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background-color .2s ease}._closeIconBtn_bx4dz_60:hover{background:#ffffff1a}._hiddenFileInput_bx4dz_81{display:none}._dropZone_bx4dz_85{border:2px dashed rgba(255,255,255,.2);border-radius:12px;padding:40px 20px;text-align:center;cursor:pointer;transition:all .3s ease;background:#ffffff05;margin-bottom:24px}._dropZone_bx4dz_85:hover{border-color:#22d3ee80;background:#22d3ee0d}._dropZoneActive_bx4dz_101{border-color:#22d3ee;background:#22d3ee1a;transform:scale(1.02)}._dropZoneContent_bx4dz_107{pointer-events:none}._dropZoneIcon_bx4dz_111{font-size:48px;margin-bottom:12px}._dropZoneText_bx4dz_116{margin:0 0 8px;font-size:16px;font-weight:500;color:#fff}._dropZoneHint_bx4dz_123{margin:0;font-size:14px;color:#fff9}._selectedFiles_bx4dz_129{margin-bottom:24px}._selectedFiles_bx4dz_129 h3{margin:0 0 12px;font-size:18px;font-weight:600;color:#ffffffe6}._selectedFileList_bx4dz_140{list-style:none;padding:0;margin:0 0 16px;max-height:200px;overflow-y:auto}._selectedFileItem_bx4dz_148{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#ffffff0d;border-radius:8px;margin-bottom:8px;transition:background-color .2s ease}._selectedFileItem_bx4dz_148:hover{background:#ffffff14}._fileInfo_bx4dz_163{display:flex;flex-direction:column;gap:4px;flex:1;min-width:0}._fileName_bx4dz_171{font-size:14px;font-weight:500;color:#fff;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}._fileSize_bx4dz_180{font-size:12px;color:#fff9}._removeBtn_bx4dz_185{background:transparent;border:none;color:#ffffffb3;font-size:24px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:4px;transition:all .2s ease;flex-shrink:0}._removeBtn_bx4dz_185:hover{background:#e74c3c33;color:#e74c3c}._uploadBtn_bx4dz_203{background:linear-gradient(90deg,#22d3ee,#a78bfa);border:none;padding:12px 20px;border-radius:10px;cursor:pointer;color:#0b0b0b;font-weight:600;font-size:15px;width:100%;display:flex;align-items:center;justify-content:center;gap:8px;transition:transform .2s ease,opacity .2s ease}._uploadBtn_bx4dz_203:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #22d3ee4d}._uploadBtn_bx4dz_203:active:not(:disabled){transform:translateY(0)}._uploadBtn_bx4dz_203:disabled{opacity:.6;cursor:not-allowed}._spinner_bx4dz_234{width:16px;height:16px;border:2px solid rgba(11,11,11,.3);border-top-color:#0b0b0b;border-radius:50%;animation:_spin_bx4dz_234 .6s linear infinite}@keyframes _spin_bx4dz_234{to{transform:rotate(360deg)}}._uploadedHeader_bx4dz_249{margin:24px 0 12px;font-size:18px;font-weight:600;color:#ffffffe6}._fileList_bx4dz_256{list-style:none;padding:0;margin:0 0 20px;max-height:300px;overflow-y:auto}._fileItem_bx4dz_264{display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid rgba(255,255,255,.08);transition:background-color .2s ease}._fileItem_bx4dz_264:hover{background:#ffffff08;border-radius:6px}._fileItem_bx4dz_264:last-child{border-bottom:none}._closeBtn_bx4dz_282{margin-top:auto;width:100%;padding:12px 20px;border-radius:10px;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;cursor:pointer;font-weight:500;font-size:15px;transition:all .2s ease}._closeBtn_bx4dz_282:hover{background:#ffffff1a;border-color:#fff6}._deleteBtn_bx4dz_301{padding:6px 14px;font-size:.85rem;border:none;border-radius:6px;cursor:pointer;background-color:#e74c3c;color:#fff;font-weight:500;transition:background-color .2s ease,opacity .2s ease,transform .2s ease}._deleteBtn_bx4dz_301:hover:not(:disabled){background-color:#c0392b;transform:translateY(-1px)}._deleteBtn_bx4dz_301:active:not(:disabled){transform:translateY(0)}._deleteBtn_bx4dz_301:disabled{opacity:.6;cursor:not-allowed}.react-flow{direction:ltr}.react-flow__container{position:absolute;width:100%;height:100%;top:0;left:0}.react-flow__pane{z-index:1;cursor:-webkit-grab;cursor:grab}.react-flow__pane.selection{cursor:pointer}.react-flow__pane.dragging{cursor:-webkit-grabbing;cursor:grabbing}.react-flow__viewport{transform-origin:0 0;z-index:2;pointer-events:none}.react-flow__renderer{z-index:4}.react-flow__selection{z-index:6}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible{outline:none}.react-flow .react-flow__edges{pointer-events:none;overflow:visible}.react-flow__edge-path,.react-flow__connection-path{stroke:#b1b1b7;stroke-width:1;fill:none}.react-flow__edge{pointer-events:visibleStroke;cursor:pointer}.react-flow__edge.animated path{stroke-dasharray:5;-webkit-animation:dashdraw .5s linear infinite;animation:dashdraw .5s linear infinite}.react-flow__edge.animated path.react-flow__edge-interaction{stroke-dasharray:none;-webkit-animation:none;animation:none}.react-flow__edge.inactive{pointer-events:none}.react-flow__edge.selected,.react-flow__edge:focus,.react-flow__edge:focus-visible{outline:none}.react-flow__edge.selected .react-flow__edge-path,.react-flow__edge:focus .react-flow__edge-path,.react-flow__edge:focus-visible .react-flow__edge-path{stroke:#555}.react-flow__edge-textwrapper{pointer-events:all}.react-flow__edge-textbg{fill:#fff}.react-flow__edge .react-flow__edge-text{pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.react-flow__connection{pointer-events:none}.react-flow__connection .animated{stroke-dasharray:5;-webkit-animation:dashdraw .5s linear infinite;animation:dashdraw .5s linear infinite}.react-flow__connectionline{z-index:1001}.react-flow__nodes{pointer-events:none;transform-origin:0 0}.react-flow__node{position:absolute;-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:all;transform-origin:0 0;box-sizing:border-box;cursor:-webkit-grab;cursor:grab}.react-flow__node.dragging{cursor:-webkit-grabbing;cursor:grabbing}.react-flow__nodesselection{z-index:3;transform-origin:left top;pointer-events:none}.react-flow__nodesselection-rect{position:absolute;pointer-events:all;cursor:-webkit-grab;cursor:grab}.react-flow__handle{position:absolute;pointer-events:none;min-width:5px;min-height:5px;width:6px;height:6px;background:#1a192b;border:1px solid white;border-radius:100%}.react-flow__handle.connectionindicator{pointer-events:all;cursor:crosshair}.react-flow__handle-bottom{top:auto;left:50%;bottom:-4px;transform:translate(-50%)}.react-flow__handle-top{left:50%;top:-4px;transform:translate(-50%)}.react-flow__handle-left{top:50%;left:-4px;transform:translateY(-50%)}.react-flow__handle-right{right:-4px;top:50%;transform:translateY(-50%)}.react-flow__edgeupdater{cursor:move;pointer-events:all}.react-flow__panel{position:absolute;z-index:5;margin:15px}.react-flow__panel.top{top:0}.react-flow__panel.bottom{bottom:0}.react-flow__panel.left{left:0}.react-flow__panel.right{right:0}.react-flow__panel.center{left:50%;transform:translate(-50%)}.react-flow__attribution{font-size:10px;background:#ffffff80;padding:2px 3px;margin:0}.react-flow__attribution a{text-decoration:none;color:#999}@-webkit-keyframes dashdraw{0%{stroke-dashoffset:10}}@keyframes dashdraw{0%{stroke-dashoffset:10}}.react-flow__edgelabel-renderer{position:absolute;width:100%;height:100%;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.react-flow__edge.updating .react-flow__edge-path{stroke:#777}.react-flow__edge-text{font-size:10px}.react-flow__node.selectable:focus,.react-flow__node.selectable:focus-visible{outline:none}.react-flow__node-default,.react-flow__node-input,.react-flow__node-output,.react-flow__node-group{padding:10px;border-radius:3px;width:150px;font-size:12px;color:#222;text-align:center;border-width:1px;border-style:solid;border-color:#1a192b;background-color:#fff}.react-flow__node-default.selectable:hover,.react-flow__node-input.selectable:hover,.react-flow__node-output.selectable:hover,.react-flow__node-group.selectable:hover{box-shadow:0 1px 4px 1px #00000014}.react-flow__node-default.selectable.selected,.react-flow__node-default.selectable:focus,.react-flow__node-default.selectable:focus-visible,.react-flow__node-input.selectable.selected,.react-flow__node-input.selectable:focus,.react-flow__node-input.selectable:focus-visible,.react-flow__node-output.selectable.selected,.react-flow__node-output.selectable:focus,.react-flow__node-output.selectable:focus-visible,.react-flow__node-group.selectable.selected,.react-flow__node-group.selectable:focus,.react-flow__node-group.selectable:focus-visible{box-shadow:0 0 0 .5px #1a192b}.react-flow__node-group{background-color:#f0f0f040}.react-flow__nodesselection-rect,.react-flow__selection{background:#0059dc14;border:1px dotted rgba(0,89,220,.8)}.react-flow__nodesselection-rect:focus,.react-flow__nodesselection-rect:focus-visible,.react-flow__selection:focus,.react-flow__selection:focus-visible{outline:none}.react-flow__controls{box-shadow:0 0 2px 1px #00000014}.react-flow__controls-button{border:none;background:#fefefe;border-bottom:1px solid #eee;box-sizing:content-box;display:flex;justify-content:center;align-items:center;width:16px;height:16px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;padding:5px}.react-flow__controls-button:hover{background:#f4f4f4}.react-flow__controls-button svg{width:100%;max-width:12px;max-height:12px}.react-flow__controls-button:disabled{pointer-events:none}.react-flow__controls-button:disabled svg{fill-opacity:.4}.react-flow__minimap{background-color:#fff}.react-flow__minimap svg{display:block}.react-flow__resize-control{position:absolute}.react-flow__resize-control.left,.react-flow__resize-control.right{cursor:ew-resize}.react-flow__resize-control.top,.react-flow__resize-control.bottom{cursor:ns-resize}.react-flow__resize-control.top.left,.react-flow__resize-control.bottom.right{cursor:nwse-resize}.react-flow__resize-control.bottom.left,.react-flow__resize-control.top.right{cursor:nesw-resize}.react-flow__resize-control.handle{width:4px;height:4px;border:1px solid #fff;border-radius:1px;background-color:#3367d9;transform:translate(-50%,-50%)}.react-flow__resize-control.handle.left{left:0;top:50%}.react-flow__resize-control.handle.right{left:100%;top:50%}.react-flow__resize-control.handle.top{left:50%;top:0}.react-flow__resize-control.handle.bottom{left:50%;top:100%}.react-flow__resize-control.handle.top.left,.react-flow__resize-control.handle.bottom.left{left:0}.react-flow__resize-control.handle.top.right,.react-flow__resize-control.handle.bottom.right{left:100%}.react-flow__resize-control.line{border-color:#3367d9;border-width:0;border-style:solid}.react-flow__resize-control.line.left,.react-flow__resize-control.line.right{width:1px;transform:translate(-50%);top:0;height:100%}.react-flow__resize-control.line.left{left:0;border-left-width:1px}.react-flow__resize-control.line.right{left:100%;border-right-width:1px}.react-flow__resize-control.line.top,.react-flow__resize-control.line.bottom{height:1px;transform:translateY(-50%);left:0;width:100%}.react-flow__resize-control.line.top{top:0;border-top-width:1px}.react-flow__resize-control.line.bottom{border-bottom-width:1px;top:100%}.learning_map_container{overflow:visible!important;z-index:1;position:sticky;top:12px;width:calc(100% - 40px);max-width:1200px;margin:14px auto;padding:8px 24px;border-radius:20px;background:linear-gradient(180deg,#f8f9ff,#eef2ff);border:1px solid rgba(99,102,241,.18);box-shadow:0 20px 60px #4f46e52e;box-sizing:border-box}.map_area{overflow:visible!important;height:140px;transition:height .45s cubic-bezier(.22,1,.36,1),opacity .3s;overflow:visible}.map_area.open{height:160px;opacity:1}@media(max-width:1024px){.map_area{height:140px}}@media(max-width:640px){.map_area{height:120px}}.learning_map_header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.learning_map_left{display:flex;flex-direction:column}.learning_map_title{font-weight:800;font-size:16px;color:#111827}.learning_map_sub{font-size:12px;color:#6b7280}.learning_map_toggle{background:linear-gradient(135deg,#6366f1,#7c3aed);border:none;color:#fff;font-weight:700;font-size:13px;padding:8px 18px;border-radius:999px;cursor:pointer;box-shadow:0 10px 25px #6366f159;transition:.25s;white-space:nowrap}.learning_map_toggle:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 18px 40px #6366f18c}.map_area{height:260px;transition:height .45s cubic-bezier(.22,1,.36,1),opacity .3s;overflow:hidden}.map_area.closed{height:0;opacity:0}.map_area.open{height:260px;opacity:1}.react-flow{overflow:visible!important;border-radius:16px;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.7),transparent 40%),radial-gradient(circle at 80% 40%,rgba(255,255,255,.6),transparent 40%),linear-gradient(180deg,#eef2ff,#f8f9ff)}.react-flow__renderer{overflow:visible!important}.react-flow__pane{overflow:visible!important;pointer-events:auto!important}.react-flow__pane,.react-flow__renderer,.react-flow{touch-action:pan-x pan-y!important}.react-flow__controls{display:none!important}.level_node{width:150px;height:150px;border-radius:50%;display:flex;align-items:center;justify-content:center;text-align:center;padding:18px;font-weight:800;font-size:18px;line-height:1.2;color:#1f2937;background:linear-gradient(180deg,#fff,#f3f0ff);border:5px solid #6366f1;box-shadow:0 25px 60px #6366f159,inset 0 6px 14px #ffffffe6;cursor:pointer;transition:.25s cubic-bezier(.34,1.56,.64,1);position:relative;z-index:50}.level_node:hover{transform:scale(1.25) translateY(-8px);box-shadow:0 35px 80px #6366f18c;z-index:999}.level_node.current{background:linear-gradient(180deg,#6366f1,#7c3aed);color:#fff;border:none;animation:pulse 1.8s infinite;z-index:3}@keyframes pulse{0%{box-shadow:0 0 #6366f199}70%{box-shadow:0 0 0 25px #6366f100}to{box-shadow:0 0 #6366f100}}.level_card{position:absolute;bottom:120%;left:50%;transform:translate(-50%);width:260px;background:#111827;color:#fff;padding:16px 18px;border-radius:14px;font-size:14px;line-height:1.5;font-weight:500;opacity:0;pointer-events:none;transition:.25s;box-shadow:0 20px 60px #00000073;z-index:9999}.level_card b{font-size:15px;font-weight:800;display:block;margin-bottom:6px}.level_node:hover .level_card{opacity:1;transform:translate(-50%) translateY(-6px) scale(1)}.react-flow__edge-path{stroke:#6366f1;stroke-width:7px;stroke-linecap:round;filter:drop-shadow(0 6px 12px rgba(99,102,241,.4));stroke-dasharray:12;animation:flow 1.2s linear infinite}@keyframes flow{0%{stroke-dashoffset:24}to{stroke-dashoffset:0}}.feedback-page{max-width:800px;margin:20px auto;padding:20px;background:#f8f9fa;border-radius:12px;box-shadow:0 8px 20px #00000026;color:#333}.feedback-title{text-align:center;font-size:2rem;margin-bottom:20px;color:#264653}.feedback-form{display:flex;flex-direction:column;gap:20px}.feedback-form-group{display:flex;flex-direction:column}.feedback-form-label{margin-bottom:8px;font-weight:600;color:#264653}.feedback-form-input,.feedback-form-textarea{padding:12px 14px;border-radius:8px;border:1px solid #4c696680;background:#fff;color:#333;font-size:16px;transition:border-color .3s ease,box-shadow .3s ease}.feedback-form-input:focus,.feedback-form-textarea:focus{outline:none;border-color:var(--teal-1);box-shadow:0 0 8px #2a9d8f80}.feedback-form-textarea{resize:vertical;min-height:100px}.image-upload-container{position:relative;border:2px dashed #4c696680;border-radius:8px;padding:20px;background:#e9ecef;text-align:center;transition:border-color .3s ease,background .3s ease;cursor:pointer}.image-upload-container:hover{border-color:var(--teal-1);background:#f1f5f9}.image-upload-input{display:none}.image-upload-placeholder{display:flex;align-items:center;justify-content:center;height:100px;color:#6c757d;font-size:16px;cursor:pointer;margin:0;width:100%}.image-upload-placeholder span{pointer-events:none}.image-preview{position:relative;margin-top:10px;display:flex;justify-content:center}.image-preview img{max-width:100%;max-height:150px;border-radius:8px;object-fit:contain;border:1px solid #dee2e6}.remove-image-btn{position:absolute;top:-10px;right:-10px;background:#dc3545;color:#fff;border:none;border-radius:50%;width:24px;height:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;transition:background .3s ease}.remove-image-btn:hover{background:#c82333}.feedback-form-actions{display:flex;justify-content:center;gap:15px;margin-top:20px}.feedback-btn{padding:12px 30px;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease}.feedback-btn-primary{background:linear-gradient(145deg,var(--teal-1),var(--teal-2));color:#fff}.feedback-btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #2a9d8f66}.feedback-btn-primary:disabled{background:#6c757d;cursor:not-allowed;transform:none;box-shadow:none}.feedback-btn-secondary{background:#444c5c;color:#fff}.feedback-btn-secondary:hover{background:#5a6270;transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.status-message{padding:12px;border-radius:8px;margin-bottom:20px;text-align:center;font-weight:600}.status-message.success{background-color:#d4edda;color:#155724;border:1px solid #c3e6cb}.status-message.error{background-color:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.feedback-section-header{display:flex;flex-direction:column;align-items:center;margin-bottom:20px;gap:10px}.feedback-section-back-link{color:#264653;text-decoration:none;font-weight:600;transition:color .3s ease}.feedback-section-back-link:hover{color:var(--teal-1)}@media(max-width:768px){.feedback-page{margin:10px;padding:15px}.feedback-title{font-size:1.5rem}.image-upload-placeholder{height:80px;font-size:14px}.image-preview img{max-height:120px}.feedback-btn{padding:10px 25px;font-size:14px}}.accordion{background:#fff;border-radius:12px;box-shadow:0 4px 10px #0000001a;padding:20px;margin-top:24px}.accordion-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem}.accordion-item{border-bottom:1px solid #ddd;padding:12px 0}.accordion-header{width:100%;display:flex;justify-content:space-between;align-items:center;font-size:1.1rem;font-weight:500;background:none;border:none;outline:none;cursor:pointer;padding:0}.accordion-icon{transition:transform .3s ease}.accordion-icon.open{transform:rotate(180deg)}.accordion-content{max-height:0;overflow:hidden;transition:max-height .3s ease,margin-top .3s ease;font-size:1rem;color:#555}.accordion-content.open{max-height:none;overflow:visible;margin-top:8px}.login-container{display:flex;justify-content:center;align-items:center;font-family:Arial,sans-serif}.login-card{background:#fff;padding:40px;border-radius:15px;box-shadow:0 10px 30px #0003;width:350px;text-align:center;animation:fadeIn .5s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.login-title{margin-bottom:30px;font-size:28px;color:#333}.login-form{display:flex;flex-direction:column;gap:20px}.login-input{padding:15px;border:1px solid #ddd;border-radius:8px;font-size:16px;transition:border-color .3s}.login-input:focus{border-color:#2575fc;outline:none}.login-button{padding:15px;background:#2575fc;color:#fff;border:none;border-radius:8px;font-size:16px;cursor:pointer;transition:background .3s}.login-button:hover{background:#1a5bb8}.login-button:disabled{background:#ccc;cursor:not-allowed}.login-error{color:red;font-size:14px;margin:0}.login-toggle{margin-top:20px;font-size:14px;color:#666}.login-link{color:#2575fc;cursor:pointer;text-decoration:underline}@media(max-width:400px){.login-card{width:90%;padding:30px}}.onboarding-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:10000;animation:fadeIn .3s ease-in-out}.onboarding-modal{background:#fff;border-radius:24px;padding:35px 40px;max-width:650px;width:90%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 20px 60px #0000004d;animation:slideUp .4s ease-out}.onboarding-close{position:absolute;top:20px;right:20px;background:transparent;border:none;font-size:36px;color:#999;cursor:pointer;width:45px;height:45px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease;z-index:10}.onboarding-close:hover{background-color:#f0f0f0;color:#333;transform:rotate(90deg)}.onboarding-header{text-align:center;margin-bottom:25px}.onboarding-title{font-size:26px;font-weight:700;color:#333;margin-bottom:8px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.onboarding-subtitle{font-size:14px;color:#666;line-height:1.5}.education-levels-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:25px}.education-level-card{background:#f8f9fa;border:2px solid #e0e0e0;border-radius:14px;padding:18px 12px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:all .3s ease;font-family:inherit}.education-level-card:hover{transform:translateY(-3px);box-shadow:0 6px 16px #0000001a;border-color:#7f39fb}.education-level-card.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff;box-shadow:0 6px 20px #667eea66}.level-emoji{font-size:36px;line-height:1}.level-label{font-size:14px;font-weight:600;text-align:center;line-height:1.3}.grade-numbers-section{margin-top:20px;margin-bottom:25px}.grade-numbers-label{font-size:15px;font-weight:600;color:#333;margin-bottom:12px;text-align:center}.grade-numbers-grid{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.grade-number-btn{min-width:50px;height:50px;background:#f8f9fa;border:2px solid #e0e0e0;border-radius:12px;font-size:18px;font-weight:700;color:#333;cursor:pointer;transition:all .3s ease;font-family:inherit;display:flex;align-items:center;justify-content:center}.grade-number-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a;border-color:#667eea;background:#fff}.grade-number-btn.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff;box-shadow:0 4px 16px #667eea66}.interests-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-bottom:25px}.interest-card{background:#f8f9fa;border:2px solid #e0e0e0;border-radius:14px;padding:16px 10px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:all .3s ease;font-family:inherit;color:#333}.interest-card:hover{transform:translateY(-4px);box-shadow:0 6px 16px #0000001a;border-color:#7f39fb}.interest-card.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff;box-shadow:0 6px 20px #667eea66}.interest-emoji{font-size:40px;line-height:1}.interest-label{font-size:14px;font-weight:600;text-align:center}.onboarding-actions{display:flex;justify-content:center;gap:16px;margin-top:30px}.onboarding-btn{padding:14px 32px;font-size:16px;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .3s ease;font-family:inherit;min-width:120px}.onboarding-btn-skip{background-color:#f0f0f0;color:#666}.onboarding-btn-skip:hover{background-color:#e0e0e0;color:#333}.onboarding-btn-next,.onboarding-btn-submit{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;box-shadow:0 4px 12px #667eea4d}.onboarding-btn-next:hover,.onboarding-btn-submit:hover{transform:translateY(-2px);box-shadow:0 6px 16px #667eea66}.onboarding-btn-next:disabled,.onboarding-btn-submit:disabled{background:#ccc;cursor:not-allowed;transform:none;box-shadow:none;opacity:.6}.onboarding-progress{display:flex;justify-content:center;gap:12px;margin-top:30px}.progress-dot{width:12px;height:12px;border-radius:50%;background-color:#e0e0e0;transition:all .3s ease}.progress-dot.active{background:linear-gradient(135deg,#667eea,#764ba2);transform:scale(1.2)}@media(prefers-color-scheme:dark){.onboarding-modal{background:#1e1e1e;color:#e0e0e0}.onboarding-title{color:#e0e0e0}.onboarding-subtitle,.onboarding-close{color:#999}.onboarding-close:hover{background-color:#2c2c2c;color:#e0e0e0}.grade-level-card,.interest-card{background-color:#2c2c2c;border-color:#444;color:#e0e0e0}.grade-level-card:hover,.interest-card:hover{border-color:#7f39fb}.onboarding-btn-skip{background-color:#2c2c2c;color:#e0e0e0}.onboarding-btn-skip:hover{background-color:#3a3a3a}.progress-dot{background-color:#444}}@media(max-width:768px){.onboarding-modal{padding:40px 30px;max-height:90vh}.onboarding-title{font-size:26px}.grade-levels-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px}.interests-grid{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:12px}.grade-emoji{font-size:40px}.interest-emoji{font-size:32px}}@media(max-width:480px){.onboarding-modal{padding:30px 20px}.onboarding-title{font-size:22px}.onboarding-subtitle{font-size:14px}.grade-levels-grid{grid-template-columns:1fr;gap:12px}.interests-grid{grid-template-columns:repeat(2,1fr);gap:10px}.onboarding-actions{flex-direction:column;gap:12px}.onboarding-btn{width:100%}}.courses-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:25px}.onboarding-course-card{background:#f8f9fa;border:2px solid #e0e0e0;border-radius:14px;padding:18px 12px;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer;transition:all .3s ease;font-family:inherit;color:#333}.onboarding-course-card:hover{transform:translateY(-4px);box-shadow:0 6px 16px #0000001a;border-color:#7f39fb}.onboarding-course-card.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff;box-shadow:0 6px 20px #667eea66;transform:scale(1.05);font-weight:600}.onboarding-course-emoji{font-size:40px;line-height:1}.onboarding-course-label{font-size:15px;font-weight:600;text-align:center;line-height:1.3}.pagination-controls{display:flex;justify-content:center;align-items:center;gap:15px;margin:20px 0 15px;padding:12px;background:#f8f9fa;border-radius:10px}.pagination-btn{padding:10px 20px;font-size:14px;font-weight:600;border:2px solid #e0e0e0;border-radius:8px;background:#fff;cursor:pointer;transition:all .3s ease;font-family:inherit}.pagination-btn:hover:not(:disabled){background:#667eea;color:#fff;border-color:#667eea;transform:translateY(-2px)}.pagination-btn:disabled{opacity:.4;cursor:not-allowed}.pagination-info{font-size:14px;font-weight:600;color:#666;min-width:100px;text-align:center}.onboarding-btn-back{background-color:#e0e0e0;color:#666}.onboarding-btn-back:hover{background-color:#d0d0d0;color:#333}@media(prefers-color-scheme:dark){.education-level-card,.grade-number-btn{background-color:#2c2c2c;border-color:#444;color:#e0e0e0}.education-level-card:hover,.grade-number-btn:hover{border-color:#7f39fb}.onboarding-course-card{background-color:#2c2c2c;border-color:#444;color:#e0e0e0}.onboarding-course-card:hover{border-color:#7f39fb;box-shadow:0 6px 16px #0000001a}.onboarding-course-card.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff;font-weight:600}.grade-numbers-label{color:#e0e0e0}.pagination-controls{background:#2c2c2c}.pagination-btn{background:#1e1e1e;border-color:#444;color:#e0e0e0}.pagination-btn:hover:not(:disabled){background:#667eea;border-color:#667eea}.pagination-info{color:#999}.onboarding-btn-back{background-color:#2c2c2c;color:#e0e0e0}.onboarding-btn-back:hover{background-color:#3a3a3a}}.avatar-section-label{font-size:15px;font-weight:600;color:#333;margin:18px 0 10px;text-align:center}.avatar-models-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:10px}.avatar-model-card{background:#f8f9fa;border:2px solid #e0e0e0;border-radius:14px;padding:18px 12px;display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:all .3s ease;font-family:inherit;color:#333}.avatar-model-card:hover{transform:translateY(-3px);box-shadow:0 6px 16px #0000001a;border-color:#7f39fb}.avatar-model-card.selected{background:linear-gradient(135deg,#667eea,#764ba2);border-color:#667eea;color:#fff;box-shadow:0 6px 20px #667eea66}.avatar-model-preview{width:80px;height:80px;object-fit:cover;border-radius:50%;border:2px solid #e0e0e0;transition:border-color .3s ease}.avatar-model-card.selected .avatar-model-preview{border-color:#fff}.avatar-model-label{font-size:14px;font-weight:600;text-align:center}.admin-login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f0f23,#1a1a2e,#16213e);color:#fff}.admin-login-card{background:#ffffff0d;padding:40px;border-radius:16px;border:1px solid rgba(255,255,255,.1);box-shadow:0 20px 40px #0000004d;width:100%;max-width:400px}.admin-login-header{text-align:center;margin-bottom:30px}.admin-login-title{margin:0 0 10px;font-size:28px;font-weight:700;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.admin-login-subtitle{margin:0;color:#ffffffb3;font-size:14px}.admin-login-input-group{margin-bottom:20px}.admin-login-input{width:100%;padding:15px;border:2px solid rgba(255,255,255,.1);border-radius:8px;background:#ffffff0d;color:#fff;font-size:16px;outline:none;transition:border-color .3s ease}.admin-login-input:focus{border-color:#667eea80}.admin-login-error{color:#ff6b6b;font-size:14px;margin-bottom:20px;text-align:center;padding:10px;background:#ff6b6b1a;border-radius:6px;border:1px solid rgba(255,107,107,.2)}.admin-login-button{width:100%;padding:15px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #667eea4d}.admin-login-button:disabled{background:#667eea80;cursor:not-allowed}.admin-login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.notifications-container{padding:32px 40px;max-width:1200px;margin:0 auto}.notifications-header{margin-bottom:32px;text-align:center}.notifications-title{margin:0 0 8px;color:#fff;font-size:28px;font-weight:700;letter-spacing:-.5px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.notifications-subtitle{margin:0;color:#fff9;font-size:16px;font-weight:400}.notifications-stats{background:linear-gradient(135deg,#667eea1a,#764ba20d);border:1px solid rgba(102,126,234,.2);border-radius:16px;padding:24px;margin-bottom:32px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #667eea1a}.notifications-stats-title{margin:0 0 16px;color:#fff;font-size:18px;font-weight:600;text-align:center}.notifications-stats-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}.notifications-stats-item{background:#ffffff0d;padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,.1);text-align:center;color:#fff}.notifications-stats-label{font-size:12px;font-weight:500;margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px;color:#ffffffb3}.notifications-stats-value{font-size:24px;font-weight:700;margin:0}.notifications-form{background:linear-gradient(135deg,#0f172acc,#1e293b99);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:40px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 12px 40px #0000004d}.notifications-form-title{color:#fff;font-size:20px;font-weight:600;margin:0 0 24px;text-align:center}.notifications-form-grid{display:grid;grid-template-columns:1fr;gap:24px}@media(min-width:768px){.notifications-form-grid{grid-template-columns:1fr 1fr}}.notifications-form-group{display:flex;flex-direction:column}.notifications-form-group-full{grid-column:1 / -1}.notifications-label{color:#fff;font-weight:500;font-size:14px;margin-bottom:8px;display:flex;align-items:center;gap:8px}.notifications-label-required:after{content:"*";color:#ef4444;font-weight:700}.notifications-input,.notifications-textarea{width:100%;padding:14px 16px;background:#ffffff0d;border:2px solid rgba(255,255,255,.1);border-radius:12px;color:#fff;font-size:15px;font-family:inherit;outline:none;transition:all .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.notifications-input:focus,.notifications-textarea:focus{border-color:#667eea80;background:#ffffff14;box-shadow:0 0 0 3px #667eea1a}.notifications-input::placeholder,.notifications-textarea::placeholder{color:#fff6}.notifications-textarea{resize:vertical;min-height:120px;line-height:1.5}.notifications-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-bottom:30px}@media(min-width:640px){.notifications-grid{grid-template-columns:1fr 1fr}}.notifications-submit-section{grid-column:1 / -1;text-align:center;margin-top:8px}.notifications-submit-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;padding:16px 32px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 20px #667eea4d;min-width:200px}.notifications-submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 30px #667eea66}.notifications-submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.notifications-submit-btn.loading{background:linear-gradient(135deg,#4b5563,#374151)}.notifications-success{margin-top:24px;padding:16px;background:linear-gradient(135deg,#10b9811a,#0596690d);border:1px solid rgba(16,185,129,.3);border-radius:12px;text-align:center}.notifications-success-text{color:#10b981;font-weight:600;margin:0}.notifications-button{width:100%;padding:16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:12px;font-size:18px;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 8px 25px #667eea4d}.notifications-button:disabled{background:#667eea80;cursor:not-allowed;transform:none}.notifications-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 35px #667eea66}.dashboard-container{padding:32px 40px}.dashboard-header{margin-bottom:32px}.dashboard-title{color:#fff;margin:0 0 6px;font-size:24px;font-weight:700;letter-spacing:-.4px}.dashboard-subtitle{color:#fff9;margin:0;font-size:14px}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}.dashboard-card{background:linear-gradient(135deg,#0f172acc,#1e293b99);border-radius:20px;padding:28px;text-align:center;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0003;height:220px;display:flex;flex-direction:column;justify-content:center;align-items:center}.primary-card{border:1px solid rgba(79,70,229,.25)}.secondary-card{border:1px solid rgba(16,185,129,.25)}.warning-card{border:1px solid rgba(245,101,101,.25)}.success-card{border:1px solid rgba(34,197,94,.25)}.system-card{border:1px solid rgba(251,191,36,.25)}.card-icon{font-size:48px;margin-bottom:16px;display:flex;align-items:center;justify-content:center;width:64px;height:64px;filter:drop-shadow(0 4px 12px rgba(102,126,234,.3))}.primary-card .card-icon{filter:drop-shadow(0 4px 12px rgba(79,70,229,.3))}.secondary-card .card-icon{filter:drop-shadow(0 4px 12px rgba(16,185,129,.3))}.warning-card .card-icon{filter:drop-shadow(0 4px 12px rgba(245,101,101,.3))}.card-title{color:#fff;margin:0 0 12px;font-size:18px;font-weight:600;letter-spacing:-.2px}.card-value{color:#bae6fde6;margin:0;font-size:32px;font-weight:800;text-shadow:0 2px 6px rgba(99,102,241,.4);line-height:1}.primary-card .card-value,.secondary-card .card-value,.success-card .card-value,.warning-card .card-value,.system-card .card-value{text-shadow:0 2px 6px rgba(79,70,229,.4)}.card-status{color:#10b981;margin:8px 0 0;font-size:16px;font-weight:600}.card-subtitle{color:#ffffffb3;font-size:14px;margin-top:8px;font-weight:400;text-align:center}.system-toggle-btn{margin-top:20px;padding:12px 20px;background:linear-gradient(135deg,#f59e0b,#d97706);border:none;border-radius:10px;color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;width:100%;box-shadow:0 4px 12px #f59e0b33}.system-toggle-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f59e0b66}.system-card .card-status.online{color:#10b981}.system-card .card-status.maintenance{color:#ef4444}.success-card .card-icon{filter:drop-shadow(0 4px 12px rgba(34,197,94,.3))}.system-card .card-icon{filter:drop-shadow(0 4px 12px rgba(251,191,36,.3))}.users-container{padding:32px 40px}.users-header{margin-bottom:32px}.users-title{color:#fff;margin:0 0 6px;font-size:24px;font-weight:700;letter-spacing:-.4px}.users-subtitle{color:#fff9;margin:0;font-size:14px}.users-list{background:linear-gradient(135deg,#0f172acc,#1e293b99);border:1px solid rgba(255,255,255,.08);border-radius:20px;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0003}.users-list-header{padding:24px 28px;border-bottom:1px solid rgba(255,255,255,.08);background:linear-gradient(135deg,#4f46e526,#9333ea1a)}.list-header-title{color:#fff;margin:0;font-size:16px;font-weight:600}.users-list-content{max-height:600px;overflow-y:auto}.empty-state{padding:40px;text-align:center;color:#fff9}.user-item{padding:16px 24px;border-bottom:1px solid rgba(255,255,255,.08);transition:background-color .2s ease;cursor:pointer;display:flex;align-items:center;justify-content:space-between}.user-item:last-child{border-bottom:none}.user-item:hover{background:#ffffff0d}.user-content{display:flex;align-items:center;flex:1;gap:12px}.user-info{flex:1}.user-main{display:flex;align-items:center;gap:12px;margin-bottom:4px}.expand-container{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#ffffff14,#3b82f60d);border:1px solid rgba(255,255,255,.12);transition:all .3s ease;cursor:pointer;margin-left:auto;margin-right:8px;box-shadow:0 2px 8px #0000001a}.expand-container:hover{background:linear-gradient(135deg,#ffffff1f,#3b82f614);border-color:#fff3;transform:scale(1.08);box-shadow:0 4px 12px #00000026}.admin-user-avatar{flex-shrink:0}.user-name{color:#fff;margin:0;font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:8px}.user-email-inline{color:#bae6fdd9;font-size:12px;font-weight:400}.user-details{display:flex;gap:16px;margin-top:8px;flex-wrap:wrap}.user-stat{color:#bae6fdcc;font-size:13px;font-weight:500}.user-actions{display:flex;align-items:center;gap:12px}.delete-user-btn{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:8px;padding:8px;cursor:pointer;transition:all .2s ease;font-size:14px;display:flex;align-items:center;justify-content:center}.delete-user-btn:hover{background:#ef444433;border-color:#ef444480;transform:scale(1.05)}.edit-user-btn{background:#3b82f61a;border:1px solid rgba(59,130,246,.3);border-radius:8px;padding:8px;cursor:pointer;transition:all .2s ease;font-size:14px;display:flex;align-items:center;justify-content:center}.edit-user-btn:hover{background:#3b82f633;border-color:#3b82f680;transform:scale(1.05)}.edit-user-btn.active{background:#3b82f64d;border-color:#3b82f6b3}.user-status{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600}.user-status.active{background:#10b9811a;border:1px solid rgba(16,185,129,.3);color:#10b981}.user-status.deactive{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#ef4444}.user-status.clickable{cursor:pointer;transition:all .2s ease}.user-status.clickable:hover{transform:scale(1.05);opacity:.8}.teacher-role{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600}.teacher-role.enabled{background:#3b82f629;border:1px solid rgba(59,130,246,.45);color:#93c5fd}.teacher-role.disabled{background:#94a3b824;border:1px solid rgba(148,163,184,.4);color:#cbd5e1}.teacher-role.clickable{cursor:pointer;transition:all .2s ease}.teacher-role.clickable:hover{transform:scale(1.05);opacity:.85}.user-details-expanded{background:linear-gradient(135deg,#0f172a99,#1e293b66);border:1px solid rgba(255,255,255,.06);border-radius:12px;margin:8px 0 16px;overflow:hidden;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.loading-details,.error-details{padding:20px;text-align:center;color:#fff9;font-size:14px}.user-details-content{padding:20px}.details-section{margin-bottom:24px}.details-section:last-child{margin-bottom:0}.details-section h5{color:#fff;margin:0 0 12px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}.details-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:12px}.detail-item{display:flex;flex-direction:column;gap:4px}.detail-label{font-size:12px;color:#fff9;font-weight:500}.detail-value{font-size:13px;color:#fff;font-weight:500;word-break:break-word}.detail-value-username,.users-inline-name{display:inline-flex;align-items:center;gap:8px}.users-teacher-check{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:999px;background:#2563eb;border:1px solid #1d4ed8;line-height:0;flex-shrink:0}.users-teacher-check:before{content:"";width:4px;height:7px;border:solid #ffffff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-1px}.interests-list,.courses-list{display:flex;flex-wrap:wrap;gap:8px}.interest-tag,.course-tag{background:#3b82f61a;border:1px solid rgba(59,130,246,.3);color:#3b82f6;padding:4px 8px;border-radius:12px;font-size:12px;font-weight:500}.quiz-summary{display:flex;flex-direction:column;gap:8px;max-height:420px;overflow-y:auto;padding-right:4px}.quiz-section-title{font-size:13px;font-weight:600;color:#bae6fde6;margin:8px 0 4px;padding-bottom:4px;border-bottom:1px solid rgba(255,255,255,.1)}.quiz-course-item{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;background:#ffffff0f;border-radius:10px;border:1px solid rgba(255,255,255,.08);transition:all .2s ease}.quiz-course-item:hover{border-color:#60a5fa40;background:#ffffff14}.quiz-course-item.is-locked{border-color:#ef444440}.quiz-course-item.is-inactive{border-color:#94a3b840;opacity:.85}.course-name-wrap{display:inline-flex;align-items:center;gap:8px;min-width:0}.course-state-indicator{width:8px;height:8px;border-radius:999px;box-shadow:0 0 0 2px #ffffff0d;flex-shrink:0}.course-state-indicator.open{background:#10b981}.course-state-indicator.locked{background:#ef4444}.course-state-indicator.inactive{background:#94a3b8}.course-name{font-weight:600;color:#fff;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.quiz-stats{color:#bae6fde6;font-size:12px;font-weight:500;text-align:right;margin-left:12px;flex-shrink:0}.delete-confirm-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.delete-confirm-dialog{background:linear-gradient(135deg,#0f172af2,#1e293be6);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:24px;max-width:400px;width:90%;box-shadow:0 20px 40px #0000004d}.delete-confirm-dialog h3{color:#fff;margin:0 0 12px;font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px}.delete-confirm-dialog p{color:#fffc;margin:0 0 16px;font-size:14px;line-height:1.5}.delete-warning{color:#fbbf24!important;font-weight:600}.delete-list{color:#ffffffb3;margin:0 0 20px;padding-left:20px}.delete-list li{margin-bottom:4px;font-size:13px}.delete-confirm-actions{display:flex;gap:12px;justify-content:flex-end}.cancel-delete-btn,.confirm-delete-btn{padding:8px 16px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease;border:none}.cancel-delete-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff}.cancel-delete-btn:hover{background:#fff3}.confirm-delete-btn{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:1px solid rgba(239,68,68,.3)}.confirm-delete-btn:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);transform:translateY(-1px);box-shadow:0 4px 12px #ef44444d}.confirm-delete-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.delete-confirm-header{text-align:center;padding:32px 32px 24px;border-bottom:1px solid rgba(255,255,255,.1)}.delete-confirm-header .confirm-icon{font-size:48px;margin-bottom:16px;display:block}.delete-confirm-header h3{color:#fff;margin:0 0 8px;font-size:24px;font-weight:700}.delete-confirm-header p{color:#ffffffb3;margin:0;font-size:14px}.delete-confirm-body{padding:24px 32px}.delete-user-info{margin-bottom:20px;padding:16px;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:8px}.delete-user-info p{margin:8px 0;color:#fff;font-size:14px}.delete-user-info .delete-warning{color:#ef4444;font-weight:600;margin-top:12px}.delete-list{color:#fffc;margin:8px 0;padding-left:20px}.delete-list li{margin:4px 0;font-size:13px}.user-edit-form{padding:24px;background:linear-gradient(135deg,#0f172ae6,#1e293bb3);border:1px solid rgba(255,255,255,.1);border-radius:16px;margin-top:16px}.edit-form-header{margin-bottom:24px}.edit-form-header h4{color:#fff;margin:0 0 8px;font-size:18px;font-weight:600}.edit-form-header p{color:#fff9;margin:0;font-size:14px}.edit-form-content{display:flex;flex-direction:column;gap:24px}.form-section{display:flex;flex-direction:column;gap:12px}.form-section h5{color:#fff;margin:0;font-size:16px;font-weight:600}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.form-field{display:flex;flex-direction:column;gap:6px}.form-input,.form-textarea{padding:10px 12px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:8px;color:#fff;font-size:14px;transition:all .2s ease}.form-actions{display:flex;gap:12px;justify-content:flex-end;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}.btn-cancel,.btn-save{padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;border:none}.btn-cancel{background:#6b728033;border:1px solid rgba(107,114,128,.3);color:#fffc}.btn-cancel:hover{background:#6b72804d;border-color:#6b728080}.btn-save{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:1px solid rgba(16,185,129,.3)}.btn-save:hover{background:linear-gradient(135deg,#059669,#047857);transform:translateY(-1px);box-shadow:0 4px 12px #10b9814d}.btn-cancel:disabled,.btn-save:disabled{opacity:.6;cursor:not-allowed;transform:none}.lessons-access-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:12px;max-height:300px;overflow-y:auto;padding:12px;background:#ffffff0d;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.lesson-access-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#ffffff08;border-radius:6px;border:1px solid rgba(255,255,255,.05);transition:all .2s ease;cursor:pointer}.lesson-access-item:hover{background:#ffffff14;border-color:#ffffff26}.lesson-access-item input[type=checkbox]{width:16px;height:16px;accent-color:#10b981}.lesson-name{flex:1;color:#fff;font-size:14px;font-weight:500}.lesson-topic{color:#fff9;font-size:12px;font-style:italic}.lesson-access-item-with-reset{display:flex;align-items:center;gap:12px}.lesson-reset-btn{padding:6px 12px;background:#f59e0b33;border:1px solid rgba(245,158,11,.3);border-radius:6px;color:#f59e0be6;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.lesson-reset-btn:hover:not(:disabled){background:#f59e0b4d;border-color:#f59e0b80;transform:translateY(-1px)}.lesson-reset-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.reset-lesson-info{margin-bottom:20px;padding:16px;background:#f59e0b1a;border:1px solid rgba(245,158,11,.2);border-radius:8px}.reset-lesson-info p{margin:8px 0;color:#fff;font-size:14px}.reset-lesson-info .warning-text{color:#f59e0b;font-weight:600;margin-top:12px}.edit-confirm-overlay{position:fixed;inset:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease}.edit-confirm-dialog{background:linear-gradient(135deg,#0f172af2,#1e293be6);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:0;max-width:420px;width:90%;box-shadow:0 20px 60px #00000080;animation:slideIn .3s ease}.edit-confirm-header{text-align:center;padding:32px 32px 24px;border-bottom:1px solid rgba(255,255,255,.1)}.confirm-icon{font-size:48px;margin-bottom:16px;display:block}.edit-confirm-header h3{color:#fff;margin:0 0 8px;font-size:24px;font-weight:700}.edit-confirm-header p{color:#ffffffb3;margin:0;font-size:14px}.edit-confirm-body{padding:24px 32px}.password-input-group{display:flex;flex-direction:column;gap:8px}.password-label{color:#fff;font-size:14px;font-weight:500}.password-input{width:90%;padding:14px 16px;background:#ffffff14;border:2px solid rgba(255,255,255,.15);border-radius:12px;color:#fff;font-size:16px;transition:all .3s ease}.password-input:focus{outline:none;border-color:#3b82f699;box-shadow:0 0 0 3px #3b82f633}.password-input::placeholder{color:#fff6}.edit-confirm-actions{display:flex;gap:12px;padding:24px 32px 32px;border-top:1px solid rgba(255,255,255,.1)}.cancel-edit-btn,.confirm-edit-btn{flex:1;padding:14px 20px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;border:none;display:flex;align-items:center;justify-content:center;gap:8px}.cancel-edit-btn{background:#6b728033;border:1px solid rgba(107,114,128,.3);color:#fffc}.cancel-edit-btn:hover:not(:disabled){background:#6b72804d;border-color:#6b728080;transform:translateY(-1px)}.confirm-edit-btn{background:linear-gradient(135deg,#10b981,#059669);color:#fff;border:1px solid rgba(16,185,129,.3)}.confirm-edit-btn:hover:not(:disabled){background:linear-gradient(135deg,#059669,#047857);transform:translateY(-1px);box-shadow:0 8px 25px #10b98166}.cancel-edit-btn:disabled,.confirm-edit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.loading-spinner{animation:spin 1s linear infinite;font-size:16px}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.multiselect-container{max-height:300px;overflow-y:auto;border:1px solid rgba(255,255,255,.15);border-radius:8px;background:#ffffff08}.multiselect-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;padding:12px}.multiselect-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);cursor:pointer;transition:all .2s ease;font-size:14px}.multiselect-item:hover{background:#ffffff1a;border-color:#fff3}.multiselect-item.selected{background:#3b82f633;border-color:#3b82f666}.multiselect-item input[type=checkbox]{width:16px;height:16px;accent-color:#3b82f6}.item-emoji{font-size:16px}.item-label{flex:1;color:#fff}@media(max-width:480px){.edit-confirm-dialog{margin:20px;width:calc(100% - 40px)}.edit-confirm-header{padding:24px 20px 20px}.edit-confirm-body{padding:20px}.edit-confirm-actions{padding:20px;flex-direction:column}.cancel-edit-btn,.confirm-edit-btn{width:100%}.multiselect-list{grid-template-columns:1fr}}@keyframes slideDown{0%{opacity:0;max-height:0;transform:translateY(-20px) scale(.98)}to{opacity:1;max-height:3000px;transform:translateY(0) scale(1)}}.course-content{animation:slideDown .5s cubic-bezier(.4,0,.2,1);overflow:hidden;border-radius:0 0 16px 16px;background:linear-gradient(135deg,#0f172a99,#1e293b66);border:1px solid rgba(59,130,246,.1);border-top:none;margin-top:-16px;padding:"20px";box-shadow:inset 0 4px 16px #0000001a}.monitoring-course-header{transition:all .4s cubic-bezier(.4,0,.2,1)}.monitoring-course-header:hover{transform:translateY(-2px);box-shadow:0 8px 24px #3b82f640;border-color:#3b82f666}.monitoring-course-header h4,.monitoring-course-header p{transition:all .3s ease}.expand-button{white-space:nowrap}.expand-button:hover{transform:scale(1.05)}@media(max-width:768px){.monitoring-course-header{padding:16px 20px;flex-wrap:wrap;gap:12px}.monitoring-course-header>div:first-child{flex:1;min-width:200px}.monitoring-course-header>div:last-child{margin-left:auto}}.monitoring-course-header:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(59,130,246,.15),rgba(147,51,234,.15),transparent);transition:left .8s cubic-bezier(.4,0,.2,1)}.monitoring-course-header:hover:before{left:100%}@keyframes glow{0%,to{box-shadow:0 8px 32px #3b82f633}50%{box-shadow:0 8px 32px #3b82f666,0 0 20px #9333ea33}}.monitoring-container{padding:32px 40px}.monitoring-header{margin-bottom:32px}.monitoring-title{color:#fff;margin:0 0 6px;font-size:24px;font-weight:700;letter-spacing:-.4px}.monitoring-subtitle{color:#fff9;margin:0;font-size:14px}.monitoring-content{display:flex;flex-direction:column;gap:40px}.monitoring-section{background:linear-gradient(135deg,#0f172acc,#1e293b99);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:28px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0003}.section-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.section-title{color:#fff;margin:0;font-size:18px;font-weight:600}.section-description{color:#fff9;margin:4px 0 0;font-size:13px}.section-controls{display:flex;gap:12px}.load-more-btn{background:#3b82f61a;border:1px solid rgba(59,130,246,.3);border-radius:8px;padding:8px 16px;color:#3b82f6;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.load-more-btn:hover:not(:disabled){background:#3b82f633;border-color:#3b82f680}.load-more-btn:disabled{opacity:.5;cursor:not-allowed}.users-ranking,.ranking-table{width:100%}.ranking-header{display:grid;grid-template-columns:80px 1fr 120px;gap:16px;padding:12px 16px;background:#ffffff0d;border-radius:8px;margin-bottom:8px;font-size:12px;font-weight:600;color:#fffc;text-transform:uppercase;letter-spacing:.5px}.ranking-row{display:grid;grid-template-columns:80px 1fr 120px;gap:16px;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.08);transition:background-color .2s ease}.ranking-row:hover{background:#ffffff08}.ranking-row:last-child{border-bottom:none}.rank-col{font-weight:600;color:#fbbf24;display:flex;align-items:center}.user-col{color:#fff;font-weight:500;display:flex;align-items:center;gap:8px}.monitoring-teacher-check{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;border-radius:999px;background:#2563eb;border:1px solid #1d4ed8;line-height:0;flex-shrink:0}.monitoring-teacher-check:before{content:"";width:4px;height:7px;border:solid #ffffff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-1px}.score-col{color:#10b981;font-weight:600;text-align:right;display:flex;align-items:center;justify-content:flex-end}.quiz-analytics{width:100%}.course-analytics{width:96%;margin-bottom:32px}.course-analytics:last-child{margin-bottom:0}.course-title{color:#fff;margin:0 0 16px;font-size:16px;font-weight:600;padding-bottom:8px;border-bottom:2px solid rgba(59,130,246,.3)}.questions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}.question-card{background:#ffffff0d;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:16px}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.1)}.question-number{background:#3b82f633;color:#3b82f6;padding:4px 8px;border-radius:6px;font-size:12px;font-weight:600}.correct-rate{color:#10b981;font-weight:600;font-size:14px;background:#10b9811a;padding:4px 8px;border-radius:6px}.question-stats{display:flex;flex-direction:column;gap:16px}.stats-section{background:#ffffff08;border-radius:8px;padding:12px;border:1px solid rgba(255,255,255,.05)}.stats-section-title{color:#fff;font-size:13px;font-weight:600;margin:0 0 8px;text-transform:uppercase;letter-spacing:.5px}.stat-item{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.stat-item:last-child{margin-bottom:0}.stat-label{color:#ffffffb3;font-size:12px}.stat-value{color:#fff;font-weight:500;font-size:13px}.options-breakdown{margin-top:8px}.options-list{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-top:6px}.option-stat{background:#ffffff1a;color:#ffffffe6;padding:6px 8px;border-radius:6px;font-size:11px;font-weight:500;text-align:center;border:1px solid rgba(255,255,255,.05)}.option-stat.correct-option{background:#10b98133;border-color:#10b9814d;color:#10b981;font-weight:600}.loading-state{text-align:center;padding:40px;color:#fff9;font-size:14px}.empty-state{text-align:center;padding:40px;color:#ffffff80;font-size:14px;font-style:italic}.empty-state-title{font-size:16px;font-weight:600;color:#ffffffb3;margin-bottom:8px}.empty-state-description{font-size:13px;margin-bottom:16px;line-height:1.4}.init-button{background:#3b82f633;border:1px solid rgba(59,130,246,.3);border-radius:6px;padding:8px 16px;color:#3b82f6;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s ease}.init-button:hover{background:#3b82f64d;border-color:#3b82f680}.analytics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;margin-top:20px}.analytics-card{background:linear-gradient(135deg,#1e293be6,#334155e6);border-radius:16px;border:1px solid rgba(148,163,184,.2);overflow:hidden;transition:all .3s ease;box-shadow:0 4px 20px #00000026}.analytics-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px #00000040;border-color:#94a3b84d}.analytics-header{display:flex;align-items:center;padding:20px;background:linear-gradient(135deg,#0f172acc,#1e293bcc);border-bottom:1px solid rgba(148,163,184,.1);justify-content:space-between}.analytics-header-left{display:flex;align-items:center}.analytics-icon{font-size:24px;margin-right:12px}.analytics-user-count{font-size:12px;color:#e2e8f0b3;font-weight:400;margin-left:12px}.analytics-header h4{margin:0;color:#f1f5f9;font-size:16px;font-weight:600}.analytics-content{padding:20px;display:flex;flex-direction:column;gap:16px}.analytics-item{position:relative}.analytics-label{font-size:14px;font-weight:500;color:#e2e8f0;margin-bottom:8px;display:block}.analytics-bar{position:relative;height:24px;background:#0f172a99;border-radius:12px;overflow:hidden;border:1px solid rgba(148,163,184,.1)}.analytics-fill{height:100%;border-radius:11px;transition:width .8s ease-out;position:relative}.analytics-value{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:4px;font-size:12px;font-weight:600;color:#f1f5f9;text-shadow:0 1px 2px rgba(0,0,0,.5)}.analytics-percentage{color:#f1f5f9;font-size:13px;font-weight:700}.analytics-count{color:#e2e8f0b3;font-size:11px}.show-more-container{display:flex;justify-content:center;padding:16px 0 8px;border-top:1px solid rgba(148,163,184,.1);margin-top:16px}.show-more-button{background:linear-gradient(135deg,#3b82f61a,#9333ea1a);border:1px solid rgba(59,130,246,.3);color:#60a5fa;border-radius:20px;padding:8px 16px;font-size:12px;font-weight:500;cursor:pointer;transition:all .2s ease;text-transform:uppercase;letter-spacing:.5px}.show-more-button:hover{background:linear-gradient(135deg,#3b82f633,#9333ea33);border-color:#3b82f680;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f626}.forums-container{padding:32px 40px;min-height:0;max-width:1400px;margin:0 auto}.forums-header{margin-bottom:32px;display:flex;justify-content:space-between;align-items:center;gap:24px}.forums-title{color:#fff;margin:0;font-size:28px;font-weight:700;letter-spacing:-.5px}.forums-stats{display:flex;gap:20px;flex-wrap:wrap}.stat-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;background:#ffffff0d;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.stat-label{color:#ffffffb3;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.stat-value{color:#fff;font-size:20px;font-weight:700}.stat-value.stat-pending{color:#f59e0b}.stat-value.stat-approved{color:#10b981}.stat-value.stat-closed{color:#f59e0b}.stat-value.stat-rejected{color:#ef4444}.forums-content{background:linear-gradient(135deg,#0f172ae6,#1e293bb3);border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:hidden;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);box-shadow:0 8px 32px #0000004d;display:flex;flex-direction:column;min-height:600px}.forums-tabs{padding:20px 28px 0;display:flex;gap:8px;border-bottom:1px solid rgba(255,255,255,.08);flex:0 0 auto;background:#00000005}.tab-item{flex:1;padding:12px 20px;background:transparent;border:none;border-radius:8px 8px 0 0;color:#fff9;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease;position:relative;display:flex;align-items:center;gap:6px;min-width:120px;justify-content:center;text-align:center}.tab-item:hover{color:#fffc;background:#ffffff0d;transform:translateY(-1px)}.tab-item.active{color:#fff;background:linear-gradient(135deg,#4f46e533,#9333ea26);border-bottom:2px solid #4f46e5;transform:translateY(0)}.forums-list{flex:1;overflow-y:auto;padding:0;display:flex;flex-direction:column}.admin-forums-search-container{position:sticky;top:0;z-index:10;padding:16px 24px;background:linear-gradient(135deg,#0f172afa,#1e293bf2);border-bottom:1px solid rgba(255,255,255,.08);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-shrink:0}.admin-forums-search-input{width:95%;padding:14px 18px;background:#ffffff14;border:2px solid rgba(255,255,255,.15);border-radius:12px;color:#fff;font-size:15px;font-weight:400;outline:none;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 2px 8px #0000001a}.admin-forums-search-input::placeholder{color:#fff9;font-weight:400}.admin-forums-search-input:focus{background:#ffffff1f;border-color:#4f46e599;box-shadow:0 0 0 4px #4f46e526,0 4px 12px #00000026;transform:translateY(-1px)}.admin-forums-search-input:hover:not(:focus){background:#ffffff1a;border-color:#fff3}.forums-list-content{flex:1;overflow-y:auto;padding:24px}.tab-content{display:flex;flex-direction:column;gap:16px}.forum-item{background:linear-gradient(135deg,#1e293bcc,#33415599);border:1px solid rgba(255,255,255,.06);border-radius:12px;overflow:hidden;transition:all .3s ease;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:relative;margin-bottom:16px}.forum-item:hover{transform:translateY(-2px);box-shadow:0 8px 24px #0000004d;border-color:#4f46e533}.forum-header{padding:16px 20px;background:linear-gradient(135deg,#0f172ae6,#1e293bcc);border-bottom:1px solid rgba(255,255,255,.06);display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.forum-title-section{flex:1}.forum-title{color:#fff;margin:0 0 8px;font-size:16px;font-weight:600;line-height:1.4}.forum-meta{display:flex;flex-direction:column;gap:4px}.forum-author,.forum-date{font-size:12px;color:#fff9;font-weight:400}.forum-status{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;flex-shrink:0}.status-pending{background:#f59e0b26;color:#f59e0b;border:1px solid rgba(245,158,11,.3)}.status-approved{background:#10b98126;color:#10b981;border:1px solid rgba(16,185,129,.3)}.status-closed{background:#f59e0b26;color:#f59e0b;border:1px solid rgba(245,158,11,.3)}.status-rejected{background:#ef444426;color:#ef4444;border:1px solid rgba(239,68,68,.3)}.forum-content{padding:16px 20px}.forum-content p{color:#ffffffd9;margin:0;font-size:14px;line-height:1.6;word-wrap:break-word;overflow-wrap:anywhere}.forum-actions{padding:16px 20px;background:linear-gradient(135deg,#0f172af2,#1e293be6);border-top:1px solid rgba(255,255,255,.08);display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}.forum-actions-container{padding:16px 20px;background:linear-gradient(135deg,#0f172afa,#1e293bf2);border-top:1px solid rgba(255,255,255,.1);display:flex;gap:8px;justify-content:flex-end;align-items:center;flex-wrap:wrap;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:relative;overflow:hidden}.forum-actions-container:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#6366f108,#8b5cf605,#10b98105);pointer-events:none}.action-btn{padding:8px 16px;border:2px solid transparent;border-radius:8px;font-size:11px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;gap:4px;text-transform:uppercase;letter-spacing:.5px;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 2px 8px #0000001f;min-width:90px;white-space:nowrap;justify-content:center;height:32px}.action-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#ffffff26;border-radius:50%;transform:translate(-50%,-50%);transition:all .3s ease;z-index:0}.action-btn:hover:not(:disabled):before{width:200px;height:200px}.action-btn span{position:relative;z-index:1;display:flex;align-items:center;gap:3px;font-size:10px}.action-btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:0 2px 8px #0000001a!important}.action-btn:disabled:hover{transform:none!important}.approve-btn{background:linear-gradient(135deg,#10b981,#059669,#047857,#065f46,#064e3b);color:#fff;border-color:#10b9814d}.approve-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #10b98166;border-color:#10b98180;background:linear-gradient(135deg,#059669,#047857,#065f46,#064e3b,#022c22)}.reject-btn{background:linear-gradient(135deg,#f59e0b,#d97706,#b45309,#92400e,#78350f);color:#fff;border-color:#f59e0b4d}.reject-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #f59e0b66;border-color:#f59e0b80;background:linear-gradient(135deg,#d97706,#b45309,#92400e,#78350f,#451a03)}.delete-btn{background:linear-gradient(135deg,#ef4444,#dc2626,#b91c1c,#991b1b,#7f1d1d);color:#fff;border-color:#ef44444d}.delete-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #ef444466;border-color:#ef444480;background:linear-gradient(135deg,#dc2626,#b91c1c,#991b1b,#7f1d1d,#450a0a)}.reply-btn{background:linear-gradient(135deg,#6366f1,#4f46e5,#3730a3,#312e81,#1e1b4b);color:#fff;border-color:#6366f14d}.reply-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #6366f166;border-color:#6366f180;background:linear-gradient(135deg,#4f46e5,#3730a3,#312e81,#1e1b4b,#0f0a1a)}.restore-btn{background:linear-gradient(135deg,#3b82f6,#2563eb,#1d4ed8,#1e40af,#1e3a8a);color:#fff;border-color:#3b82f64d}.restore-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #3b82f666;border-color:#3b82f680;background:linear-gradient(135deg,#2563eb,#1d4ed8,#1e40af,#1e3a8a,#172554)}.close-btn{background:linear-gradient(135deg,#f59e0b,#d97706,#b45309,#92400e,#78350f);color:#fff;border-color:#f59e0b4d}.close-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #f59e0b66;border-color:#f59e0b80;background:linear-gradient(135deg,#d97706,#b45309,#92400e,#78350f,#451a03)}.open-btn{background:linear-gradient(135deg,#10b981,#059669,#047857,#065f46,#064e3b);color:#fff;border-color:#10b9814d}.open-btn:hover:not(:disabled){transform:translateY(-2px) scale(1.01);box-shadow:0 4px 16px #10b98166;border-color:#10b98180;background:linear-gradient(135deg,#059669,#047857,#065f46,#064e3b,#022c22)}.empty-state{text-align:center;padding:48px 24px;color:#fff9;font-size:16px}.forums-loading{text-align:center;padding:80px 24px;color:#ffffffb3}.loading-spinner{width:40px;height:40px;border:3px solid rgba(255,255,255,.1);border-top:3px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.forums-container{padding:20px 16px}.forums-header{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:24px}.forums-title{font-size:24px}.forums-stats{width:100%;justify-content:space-around;gap:12px}.stat-item{padding:10px 12px}.stat-value{font-size:18px}.forums-content{min-height:500px}.forums-tabs{flex-direction:column}.tab-item{padding:12px 16px;font-size:13px}.forums-list{padding:20px 16px}.forum-header{flex-direction:column;align-items:flex-start;gap:12px;padding:14px 16px}.forum-content{padding:14px 16px}.forum-actions-container{flex-direction:column;gap:10px;padding:16px 18px}.action-btn{width:100%;justify-content:center;padding:14px 16px;font-size:13px;min-width:auto}}.admin-content-container{padding:32px 40px;min-height:0;max-width:1400px;margin:0 auto}.admin-content-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:50px;color:#ffffffb3}.admin-content-loading-spinner{width:40px;height:40px;border:4px solid rgba(255,255,255,.1);border-top:4px solid rgba(255,255,255,.8);border-radius:50%;animation:admin-content-spin 1s linear infinite;margin-bottom:15px}@keyframes admin-content-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.admin-content-header{margin-bottom:32px;display:flex;justify-content:space-between;align-items:center;gap:24px}.admin-content-title{color:#fff;margin:0;font-size:28px;font-weight:700;letter-spacing:-.5px}.admin-content-stats{display:flex;gap:20px;flex-wrap:wrap}.admin-content-stat-item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 16px;background:#ffffff0d;border-radius:8px;border:1px solid rgba(255,255,255,.1);min-width:80px}.admin-content-stat-label{font-size:11px;color:#ffffffb3;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.admin-content-stat-value{font-size:24px;font-weight:700;color:#fff}.admin-content-content{background:#ffffff05;border-radius:12px;border:1px solid rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.admin-content-tabs{display:flex;background:#f8f9fa;border-bottom:1px solid #dee2e6}.admin-content-tab-item{padding:15px 25px;cursor:pointer;font-weight:500;color:#6c757d;transition:all .3s ease;border-bottom:3px solid transparent;flex:1;text-align:center}.admin-content-tab-item:hover{background:#e9ecef;color:#495057}.admin-content-active{background:#fff;color:#007bff;border-bottom-color:#007bff;font-weight:600}.admin-content-list{padding:0}.admin-content-search-container{padding:20px 25px;border-bottom:1px solid rgba(255,255,255,.1);background:#ffffff05}.admin-content-search-input{width:95%;padding:12px 16px;border:2px solid rgba(255,255,255,.2);border-radius:8px;font-size:14px;background:#ffffff0d;color:#fff;transition:all .3s ease}.admin-content-search-input::placeholder{color:#ffffff80}.admin-content-search-input:focus{outline:none;border-color:#fffc;box-shadow:0 0 0 3px #ffffff1a;background:#ffffff1a}.admin-content-list-content{max-height:70vh;overflow-y:auto}.admin-content-tab-content{padding:0}.admin-content-empty-state{text-align:center;padding:60px 20px;color:#fff9;font-size:16px}.admin-content-item{border-bottom:1px solid rgba(255,255,255,.1);padding:25px;transition:background-color .3s ease;background:#ffffff03}.admin-content-item:hover{background:#ffffff0d}.admin-content-item:last-child{border-bottom:none}.admin-content-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px;flex-wrap:wrap;gap:10px}.admin-content-item-title-section{flex:1;min-width:200px}.admin-content-item-title{margin:0 0 8px;color:#fff;font-size:18px;font-weight:600;line-height:1.3}.admin-content-item-meta{display:flex;gap:15px;flex-wrap:wrap;font-size:13px;color:#ffffffb3}.admin-content-item-author,.admin-content-item-type,.admin-content-item-date{background:#ffffff1a;padding:4px 8px;border-radius:4px;color:#fffc}.admin-content-item-status{padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.admin-content-item-content{margin-bottom:20px}.admin-content-item-content p{margin:0;color:#fffc;line-height:1.6;font-size:14px}.admin-content-item-actions{display:flex;gap:10px;flex-wrap:wrap}.admin-content-action-btn{padding:8px 16px;border:none;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:6px}.admin-content-action-btn:hover{transform:translateY(-1px);box-shadow:0 2px 8px #00000026}.admin-content-action-btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}.admin-content-view-btn{background:#ffffff1a;color:#fffc;border:1px solid rgba(255,255,255,.2)}.admin-content-view-btn:hover:not(:disabled){background:#fff3;color:#fff}.admin-content-restore-btn{background:#ffc107;color:#212529}.admin-content-restore-btn:hover:not(:disabled){background:#e0a800}.admin-content-comments-btn{background:#17a2b8;color:#fff}.admin-content-comments-btn:hover:not(:disabled){background:#138496}.admin-content-delete-btn{background:#6c757d;color:#fff}.admin-content-delete-btn:hover:not(:disabled){background:#5a6268}.admin-content-comments-modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.admin-content-comments-modal{background:#fff;border-radius:10px;width:100%;max-width:600px;max-height:80vh;overflow:hidden;box-shadow:0 10px 30px #0000004d}.admin-content-comments-modal-header{padding:20px 25px;border-bottom:1px solid #dee2e6;display:flex;justify-content:space-between;align-items:center}.admin-content-comments-modal-header h3{margin:0;color:#2c3e50;font-size:20px;font-weight:600}.admin-content-comments-modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:#6c757d;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.admin-content-comments-modal-close:hover{background:#f8f9fa;color:#495057}.admin-content-comments-modal-content{padding:0;max-height:500px;overflow-y:auto}.admin-content-add-comment{padding:20px 25px;border-bottom:1px solid #dee2e6;background:#f8f9fa}.admin-content-comment-input{width:95%;padding:12px;border:2px solid #dee2e6;border-radius:6px;font-family:inherit;font-size:14px;resize:vertical;margin-bottom:10px}.admin-content-comment-input:focus{outline:none;border-color:#007bff}.admin-content-add-comment-btn{background:#007bff;color:#fff;border:none;padding:8px 16px;border-radius:6px;font-weight:500;cursor:pointer;transition:background-color .2s ease}.admin-content-add-comment-btn:hover:not(:disabled){background:#0056b3}.admin-content-add-comment-btn:disabled{background:#6c757d;cursor:not-allowed}.admin-content-comments-list{padding:20px 25px}.admin-content-no-comments{text-align:center;color:#6c757d;font-style:italic;padding:20px 0}.admin-content-comment-item{border:1px solid #dee2e6;border-radius:8px;padding:15px;margin-bottom:15px;background:#f8f9fa}.admin-content-comment-item:last-child{margin-bottom:0}.admin-content-comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.admin-content-comment-author{font-weight:600;color:#2c3e50}.admin-content-comment-date{color:#6c757d;font-size:12px}.admin-content-comment-delete-btn{background:none;border:none;cursor:pointer;color:#dc3545;font-size:14px;padding:4px;border-radius:4px;transition:background-color .2s ease}.admin-content-comment-delete-btn:hover{background:#f8d7da}.admin-content-comment-text{color:#495057;line-height:1.5;white-space:pre-wrap}.admin-content-view-modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.admin-content-view-modal{background:#ffffff0d;border:1px solid rgba(255,255,255,.2);border-radius:12px;width:100%;max-width:800px;max-height:90vh;overflow:hidden;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.admin-content-view-modal-header{padding:20px 25px;border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center}.admin-content-view-modal-header h3{margin:0;color:#fff;font-size:20px;font-weight:600}.admin-content-view-modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:#ffffffb3;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.admin-content-view-modal-close:hover{background:#ffffff1a;color:#fff}.admin-content-view-modal-content{padding:25px;max-height:70vh;overflow-y:auto}.admin-content-view-meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;margin-bottom:25px;padding:20px;background:#ffffff05;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.admin-content-view-meta-item{display:flex;flex-direction:column;gap:5px}.admin-content-view-meta-item strong{color:#fffc;font-size:12px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}.admin-content-view-meta-item,.admin-content-view-meta-item span{color:#fff;font-size:14px}.admin-content-blocks-display{margin-top:20px;padding:15px;background:#ffffff08;border-radius:8px;border:1px solid rgba(255,255,255,.1)}.admin-content-display-block{margin-bottom:15px;padding:10px;background:#ffffff05;border-radius:6px}.admin-content-display-block:last-child{margin-bottom:0}.admin-content-text-block{color:#ffffffe6;line-height:1.6;white-space:pre-wrap}.admin-content-media-block{text-align:center;margin:10px 0}.admin-content-document-block{display:flex;align-items:center;justify-content:space-between;padding:10px;background:#ffffff0d;border-radius:6px;border:1px solid rgba(255,255,255,.1)}.admin-content-document-info{display:flex;align-items:center;gap:10px}.admin-content-document-icon{font-size:18px}.admin-content-document-name{color:#ffffffe6;font-weight:500}.admin-content-download-btn{background:#ffffff1a;color:#ffffffe6;border:1px solid rgba(255,255,255,.2);padding:6px 12px;border-radius:4px;text-decoration:none;font-size:12px;transition:all .2s ease}.admin-content-download-btn:hover{background:#fff3;color:#fff}@media(max-width:768px){.admin-content-header{flex-direction:column;align-items:stretch}.admin-content-stats{justify-content:center}.admin-content-stat-item{flex:1;min-width:60px}.admin-content-tabs{flex-direction:column}.admin-content-tab-item{padding:12px 20px}.admin-content-item-header{flex-direction:column;align-items:stretch}.admin-content-item-meta{justify-content:flex-start}.admin-content-item-actions{justify-content:center}.admin-content-action-btn{flex:1;min-width:100px;justify-content:center}.admin-content-view-modal{margin:10px;max-height:90vh}.admin-content-view-modal-overlay{padding:10px}.admin-content-comments-modal{margin:10px;max-height:90vh}.admin-content-comments-modal-overlay{padding:10px}}@media(max-width:480px){.admin-content-container{padding:10px}.admin-content-header{padding:15px}.admin-content-title{font-size:24px}.admin-content-item{padding:15px}.admin-content-item-title{font-size:16px}.admin-content-item-meta{flex-direction:column;gap:5px}.admin-content-item-actions{flex-direction:column}.admin-content-action-btn{width:100%}.admin-content-view-modal{margin:5px;max-height:95vh}.admin-content-view-modal-overlay{padding:5px}}.admin-courses-container{padding:32px 40px}.admin-courses-header{margin-bottom:24px}.admin-courses-title{margin:0;color:#fff;font-size:28px;font-weight:700;letter-spacing:-.4px}.admin-courses-subtitle{margin:8px 0 0;color:#ffffffa6;font-size:14px}.admin-courses-panel{background:#ffffff08;border:1px solid rgba(255,255,255,.1);border-radius:14px;overflow:hidden}.admin-courses-search-row{padding:18px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid rgba(255,255,255,.1)}.admin-courses-search-input{flex:1;min-width:0;padding:10px 12px;border-radius:8px;border:1px solid rgba(255,255,255,.2);background:#ffffff12;color:#fff;font-size:14px}.admin-courses-search-input::placeholder{color:#ffffff80}.admin-courses-search-input:focus{outline:none;border-color:#6366f1cc;box-shadow:0 0 0 3px #6366f133}.admin-courses-count{min-width:34px;height:34px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:#6366f133;border:1px solid rgba(99,102,241,.4);color:#c7d2fe;font-size:13px;font-weight:700}.admin-courses-state{padding:24px 20px;color:#ffffffb3;font-size:14px}.admin-courses-error{color:#fda4af}.admin-courses-list{display:flex;flex-direction:column}.admin-courses-teacher-row{width:100%;border:none;border-bottom:1px solid rgba(255,255,255,.08);background:transparent;color:#fff;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;cursor:pointer;transition:background-color .2s ease}.admin-courses-teacher-row:hover{background:#ffffff12}.admin-courses-teacher-row:last-child{border-bottom:none}.admin-courses-teacher-main{display:inline-flex;align-items:center;gap:10px;min-width:0}.admin-courses-avatar{flex-shrink:0}.admin-courses-teacher-name{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-courses-open-label{font-size:12px;font-weight:700;letter-spacing:.3px;color:#a5b4fc}@media(max-width:768px){.admin-courses-container{padding:20px}}.settings-container{padding:32px 40px;max-width:1200px;margin:0 auto}.settings-header{margin-bottom:40px}.settings-title{color:#fff;margin:0 0 6px;font-size:28px;font-weight:700;letter-spacing:-.4px}.settings-subtitle{color:#fff9;margin:0;font-size:16px}.settings-content{display:flex;flex-direction:column;gap:40px}.settings-section{width:100%}.section-header{margin-bottom:24px}.section-title{color:#fff;margin:0 0 8px;font-size:22px;font-weight:600}.section-description{color:#ffffffb3;margin:0;font-size:14px}.settings-card{background:linear-gradient(135deg,#0f172acc,#1e293b99);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:32px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 8px 32px #0003}.registration-form,.question-form{display:flex;flex-direction:column;gap:24px}.form-group{display:flex;flex-direction:column;gap:8px}.form-label{color:#fff;font-size:14px;font-weight:500}.form-input,.form-textarea{padding:12px 16px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:10px;color:#fff;font-size:14px;transition:all .3s ease}.form-input:focus,.form-textarea:focus{outline:none;border-color:#3b82f680;box-shadow:0 0 0 2px #3b82f633}.form-input::placeholder,.form-textarea::placeholder{color:#fff6}.form-textarea{resize:vertical;min-height:80px}.form-help{color:#ffffff80;font-size:12px;margin-top:4px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:640px){.form-row{grid-template-columns:1fr;gap:16px}}.checkbox-group{flex-direction:row;align-items:center}.checkbox-label{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:14px;font-weight:500;color:#fff;margin:0}.checkbox-label input[type=checkbox]{width:16px;height:16px;accent-color:#3b82f6;cursor:pointer}.form-select{padding:12px 16px;background:#ffffff14;border:1px solid rgba(255,255,255,.15);border-radius:10px;color:#fff;font-size:14px;cursor:pointer;transition:all .3s ease}.form-select:focus{outline:none;border-color:#3b82f680;box-shadow:0 0 0 2px #3b82f633}.form-select option{background:#1f2937;color:#fff}.message{padding:12px 16px;border-radius:10px;font-size:14px;font-weight:500}.message.success{background:#22c55e33;border:1px solid rgba(34,197,94,.3);color:#22c55e}.message.error{background:#ef444433;border:1px solid rgba(239,68,68,.3);color:#ef4444}.message.info{background:#3b82f633;border:1px solid rgba(59,130,246,.3);color:#3b82f6}.submit-btn{padding:14px 24px;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border:none;border-radius:10px;color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;align-self:flex-start}.submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 25px #3b82f64d}.submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.submit-btn.primary{background:linear-gradient(135deg,#10b981,#059669)}.submit-btn.primary:hover:not(:disabled){box-shadow:0 8px 25px #10b9814d}.submit-btn.secondary{background:linear-gradient(135deg,#6b7280,#4b5563)}.submit-btn.secondary:hover:not(:disabled){box-shadow:0 8px 25px #6b72804d}@media(max-width:768px){.settings-container{padding:20px 16px}.settings-card{padding:24px}.submit-btn{width:100%;align-self:stretch}.options-grid{grid-template-columns:1fr}.question-header{flex-direction:column;align-items:flex-start;gap:8px}.question-actions{align-self:flex-end}.modal-content{width:95%;margin:10px}.modal-form{padding:16px}}.question-bank-viewer{display:flex;flex-direction:column;gap:16px}.category-section{border:1px solid rgba(255,255,255,.08);border-radius:12px;overflow:hidden;background:#0f172a66}.category-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:linear-gradient(135deg,#1e293bcc,#33415599);cursor:pointer;transition:all .3s ease;border-bottom:1px solid rgba(255,255,255,.05)}.category-header:hover{background:linear-gradient(135deg,#1e293be6,#334155b3)}.category-info{display:flex;align-items:center;gap:12px}.category-name{font-size:16px;font-weight:600;color:#f1f5f9}.question-count{font-size:12px;color:#e2e8f099;background:#ffffff1a;padding:2px 8px;border-radius:10px}.expand-icon{width:24px;height:24px;position:relative;display:block;transition:transform .3s ease}.expand-icon:before{content:"";position:absolute;width:0;height:0;border-left:8px solid rgba(255,255,255,.95);border-top:4px solid transparent;border-bottom:4px solid transparent;top:50%;left:50%;transform:translate(-50%,-50%);transition:all .3s ease;filter:drop-shadow(0 1px 2px rgba(0,0,0,.2))}.expand-icon.expanded:before{border-left:4px solid rgba(255,255,255,.95);border-top:8px solid rgba(255,255,255,.95);border-right:4px solid transparent;border-bottom:none;border-left-color:transparent;filter:drop-shadow(0 1px 2px rgba(0,0,0,.2))}.category-content{padding:16px 20px;display:flex;flex-direction:column;gap:16px}.question-card{background:#ffffff05;border:1px solid rgba(255,255,255,.05);border-radius:8px;padding:16px;transition:all .2s ease}.question-card:hover{background:#ffffff0a;border-color:#ffffff14}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.question-meta{display:flex;align-items:center;gap:12px}.question-id{font-size:14px;font-weight:600;color:#60a5fa;background:#60a5fa1a;padding:2px 8px;border-radius:6px}.question-score{font-size:12px;color:#fbbf24;background:#fbbf241a;padding:2px 6px;border-radius:4px}.question-footer{margin-top:16px;padding-top:12px;border-top:1px solid rgba(255,255,255,.08)}.question-actions{display:flex;gap:8px;justify-content:flex-end}.action-btn{width:36px;height:36px;background:#3b82f61a;border:1px solid rgba(59,130,246,.3);border-radius:8px;padding:0;cursor:pointer;transition:all .2s ease;font-size:16px;display:flex;align-items:center;justify-content:center;color:#60a5fa}.edit-btn{background:#3b82f61a;border:1px solid rgba(59,130,246,.3)}.edit-btn:hover{background:#3b82f633;border-color:#3b82f680;transform:scale(1.1);box-shadow:0 4px 12px #3b82f64d}.delete-btn{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#f87171}.delete-btn:hover{background:#ef444433;border-color:#ef444480;transform:scale(1.1);box-shadow:0 4px 12px #ef44444d}.question-text{font-size:15px;color:#f1f5f9;margin-bottom:12px;line-height:1.4}.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.option-item{display:flex;align-items:center;gap:8px;padding:8px 12px;background:#ffffff05;border-radius:6px;border:1px solid rgba(255,255,255,.03)}.option-item.correct{background:#22c55e1a;border-color:#22c55e4d}.option-label{font-size:14px;font-weight:600;color:#e2e8f0b3;min-width:20px}.option-text{font-size:14px;color:#e2e8f0;flex:1}.correct-indicator{color:#22c55e;font-weight:700;font-size:16px}.modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.modal-content{background:linear-gradient(135deg,#1e293b,#334155);border-radius:16px;max-width:700px;width:90%;max-height:90vh;overflow-y:auto;border:1px solid rgba(148,163,184,.2);box-shadow:0 20px 40px #0000004d}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid rgba(148,163,184,.2)}.modal-header h3{margin:0;color:#f1f5f9;font-size:20px;font-weight:600}.close-btn{background:none;border:none;color:#e2e8f0b3;font-size:24px;cursor:pointer;padding:4px;border-radius:4px;transition:all .2s ease}.close-btn:hover{background:#ef444433;color:#fca5a5}.modal-form{padding:20px;display:flex;flex-direction:column;gap:20px}.loading,.no-questions{text-align:center;padding:40px;color:#64748b;font-size:16px}.no-questions{font-style:italic}.modal-actions{display:flex;justify-content:flex-end;gap:12px;padding-top:16px;border-top:1px solid rgba(148,163,184,.1)}.cancel-btn{padding:12px 20px;background:#6b728033;border:1px solid rgba(107,114,128,.3);border-radius:8px;color:#d1d5db;cursor:pointer;transition:all .2s ease}.cancel-btn:hover{background:#6b72804d}.qb-hub{max-width:1100px;margin:0 auto;padding:28px 32px 56px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:#ffffffe0}.qb-hub__header{margin-bottom:24px}.qb-hub__title{margin:0 0 8px;font-size:1.5rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#bae6fde0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.qb-hub__subtitle{margin:0;color:#ffffff85;font-size:.9rem;line-height:1.55;max-width:52rem}.qb-hub__toolbar{margin-bottom:22px;padding:14px 16px;background:#161620b8;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(79,70,229,.22);border-radius:14px;box-shadow:0 8px 32px #00000040;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:rgba(129,140,248,.4) transparent}.qb-hub__toolbar::-webkit-scrollbar{height:7px}.qb-hub__toolbar::-webkit-scrollbar-thumb{background:#818cf859;border-radius:999px}.qb-hub__toolbar-row{display:flex;flex-wrap:nowrap;align-items:center;gap:12px;width:max-content;min-width:100%}.qb-hub__field{display:flex;flex-direction:column;gap:5px;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:#ffffff73}.qb-hub__field--lesson{flex:0 1 260px;min-width:140px;max-width:min(280px,36vw)}.qb-hub__field--lesson .qb-hub__select{min-width:0;width:100%;max-width:100%}.qb-hub__select{min-width:0;padding:9px 12px;border-radius:10px;border:1px solid rgba(79,70,229,.35);background:#0c0c12e6;color:#ffffffeb;font-size:.86rem;cursor:pointer}.qb-hub__select:focus{outline:none;border-color:#818cf8b3;box-shadow:0 0 0 3px #4f46e533}.qb-hub__tabs-wrap{flex:1 1 auto;min-width:0;padding:5px;border-radius:12px;background:#00000047;border:1px solid rgba(79,70,229,.22);box-shadow:inset 0 1px #ffffff0a;display:flex;justify-content:center;align-items:stretch;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:rgba(129,140,248,.45) transparent}.qb-hub__tabs-wrap::-webkit-scrollbar{height:6px}.qb-hub__tabs-wrap::-webkit-scrollbar-thumb{background:#818cf866;border-radius:999px}.qb-hub__tabs{display:flex;flex-wrap:nowrap;align-items:stretch;gap:22px;width:max-content}.qb-hub__tab{flex:0 0 auto;padding:8px 12px;border-radius:9px;border:1px solid transparent;background:transparent;font-size:.76rem;font-weight:600;color:#ffffff85;cursor:pointer;white-space:nowrap;transition:background .18s,color .18s,border-color .18s,box-shadow .18s}.qb-hub__tab:hover{background:#4f46e524;color:#e2e8fff2}.qb-hub__tab--active{background:linear-gradient(145deg,#4f46e56b,#6366f147);border-color:#a5b4fc73;color:#fff;box-shadow:0 2px 12px #4f46e540}.qb-hub__toolbar-actions{display:flex;flex-wrap:nowrap;align-items:center;gap:8px;flex-shrink:0}.qb-hub__btn{padding:9px 16px;border-radius:10px;font-size:.82rem;font-weight:600;cursor:pointer;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#ffffffd9;transition:background .2s,border-color .2s,transform .15s}.qb-hub__btn:hover:not(:disabled){background:#ffffff1a;border-color:#818cf859}.qb-hub__btn:disabled{opacity:.45;cursor:not-allowed}.qb-hub__btn--primary{background:linear-gradient(135deg,#4f46e5,#6366f1);color:#fff;border-color:#818cf880}.qb-hub__btn--primary:hover:not(:disabled){background:linear-gradient(135deg,#6366f1,#818cf8);transform:translateY(-1px)}.qb-hub__btn--ghost{background:transparent}.qb-hub__btn--danger{color:#fca5a5;border-color:#f8717159;background:#dc26261f}.qb-hub__btn--danger:hover:not(:disabled){background:#dc262638}.qb-hub__btn--sm{padding:5px 11px;font-size:.78rem}.qb-hub__error{padding:12px 16px;border-radius:12px;background:#7f1d1d59;border:1px solid rgba(248,113,113,.35);color:#fecaca;font-size:.88rem;margin-bottom:18px}.qb-hub__panel{display:flex;flex-direction:column;gap:14px}.qb-hub__loading,.qb-hub__empty{padding:28px;text-align:center;color:#ffffff73;border:1px dashed rgba(79,70,229,.3);border-radius:14px;background:#16162059}.qb-ai-kind-tabs{display:inline-flex;gap:8px;padding:6px;border-radius:12px;border:1px solid rgba(124,58,237,.28);background:#4c1d951f}.qb-ai-kind-tab{border:1px solid transparent;border-radius:8px;background:transparent;color:#ffffffad;font-size:.78rem;font-weight:700;padding:7px 12px;cursor:pointer}.qb-ai-kind-tab--active{color:#fff;border-color:#a78bfa73;background:linear-gradient(135deg,#7c3aed61,#6366f13d);box-shadow:0 4px 14px #7c3aed3d}.qb-card{border:1px solid rgba(79,70,229,.22);border-radius:14px;padding:0;overflow:hidden;background:#161620bf;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 4px 24px #00000038;transition:border-color .2s,box-shadow .2s}.qb-card:hover{border-color:#818cf859}.qb-card--open{border-color:#818cf880;box-shadow:0 8px 36px #4f46e526}.qb-card--ai{border-color:#7c3aed59;background:linear-gradient(165deg,#581c872e,#161620cc 48%)}.qb-card__head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:14px 16px 10px;border-bottom:1px solid rgba(255,255,255,.06)}.qb-card__badge{font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;padding:5px 10px;border-radius:999px;background:#4f46e547;color:#c7d2fe;border:1px solid rgba(129,140,248,.35)}.qb-card__badge--ai{background:#7c3aed47;color:#e9d5ff;border-color:#a78bfa66}.qb-card__meta{font-size:.8rem;color:#ffffff7a}.qb-card__actions{display:flex;gap:8px;margin-left:auto;flex-shrink:0}.qb-card__title{margin:0;padding:0 16px 8px;font-size:.98rem;font-weight:600;color:#ffffffeb;line-height:1.35}.qb-card__toggle{width:100%;display:flex;align-items:flex-start;gap:12px;padding:14px 16px 16px;margin:0;border:none;background:#0000001f;cursor:pointer;text-align:left;font:inherit;color:inherit;transition:background .2s}.qb-card__toggle:hover{background:#4f46e51a}.qb-card__chevron{flex-shrink:0;width:9px;height:9px;margin-top:5px;border-right:2px solid rgba(129,140,248,.85);border-bottom:2px solid rgba(129,140,248,.85);transform:rotate(-45deg);transition:transform .22s ease}.qb-card__chevron--open{transform:rotate(45deg);margin-top:3px}.qb-card__preview{flex:1;margin:0;font-size:.88rem;color:#ffffff9e;line-height:1.5}.qb-card__toggle-hint{flex-shrink:0;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:#818cf8f2;align-self:center}.qb-card__detail{padding:0 16px 18px;border-top:1px solid rgba(255,255,255,.06);background:#0000002e;animation:qb-detail-in .22s ease}@keyframes qb-detail-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.qb-detail__section{margin-top:16px}.qb-detail__section:first-child{margin-top:14px}.qb-detail__heading{margin:0 0 8px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#818cf8e6}.qb-detail__meta{margin:16px 0 0;font-size:.8rem;color:#ffffff73}.qb-card__html{font-size:.9rem;line-height:1.55;color:#ffffffe0;word-break:break-word}.qb-card__html img,.qb-card__html .edu-content-image{max-width:100%;height:auto;border-radius:8px;display:block;margin:.5rem 0}.qb-card__html mjx-container,.qb-card__html .MathJax{overflow-x:auto;overflow-y:hidden;max-width:100%}.qb-card__html a{color:#a5b4fc}.qb-card__plain{font-size:.9rem;line-height:1.55;color:#ffffffe0;white-space:pre-wrap;word-break:break-word}.qb-card__options{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.qb-card__option{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:10px;background:#ffffff0a;border:1px solid rgba(255,255,255,.08)}.qb-card__option--correct{background:#22c55e1f;border-color:#4ade8073;box-shadow:0 0 0 1px #4ade801f}.qb-card__option-letter{flex-shrink:0;width:26px;height:26px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:.75rem;font-weight:800;background:#4f46e559;color:#e0e7ff}.qb-card__option--correct .qb-card__option-letter{background:#16a34a73;color:#dcfce7}.qb-card__option-text{flex:1;min-width:0;font-size:.88rem;line-height:1.45}.qb-card__option-text.qb-card__html{margin:0}.qb-modal-root{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px 16px;overflow-y:auto}.qb-modal-backdrop{position:absolute;inset:0;background:#06060ac7;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:none;cursor:pointer}.qb-modal{position:relative;width:100%;max-width:720px;max-height:min(92vh,880px);display:flex;flex-direction:column;background:linear-gradient(165deg,#181822fa,#0e0e16fc);border-radius:18px;box-shadow:0 0 0 1px #818cf81f,0 32px 80px #000000a6;border:1px solid rgba(79,70,229,.32);color:#ffffffe6;overflow:hidden}.qb-modal__accent{height:3px;flex-shrink:0;background:linear-gradient(90deg,#4f46e5,#7c3aed,#6366f1);opacity:.95}.qb-modal__head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:18px 22px 16px;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0}.qb-modal__head-text{min-width:0}.qb-modal__eyebrow{margin:0 0 4px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:#a5b4fcd9}.qb-modal__title{margin:0 0 10px;font-size:1.2rem;font-weight:700;letter-spacing:-.02em;color:#fff;line-height:1.25}.qb-modal__lesson{margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;font-size:.82rem;color:#ffffff8c}.qb-modal__lesson-label{font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#ffffff61}.qb-modal__lesson-value{color:#ffffffe0;font-weight:500}.qb-modal__lesson-slug{font-size:.72rem;padding:3px 8px;border-radius:6px;background:#4f46e538;border:1px solid rgba(129,140,248,.28);color:#c7d2fe;font-family:ui-monospace,Cascadia Code,monospace}.qb-modal__close{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;margin:-6px -6px 0 0;border:1px solid rgba(255,255,255,.1);border-radius:12px;background:#ffffff0d;font-size:1.35rem;line-height:1;cursor:pointer;color:#ffffff8c;transition:background .15s,color .15s,border-color .15s}.qb-modal__close:hover{background:#ffffff1a;color:#fff;border-color:#ffffff2e}.qb-modal__form-shell{display:flex;flex-direction:column;flex:1 1 auto;min-height:0}.qb-modal__body{padding:20px 22px 8px;overflow-y:auto;flex:1 1 auto;display:flex;flex-direction:column;gap:14px;scrollbar-width:thin;scrollbar-color:rgba(129,140,248,.4) rgba(0,0,0,.2)}.qb-modal__body::-webkit-scrollbar{width:8px}.qb-modal__body::-webkit-scrollbar-thumb{background:#818cf859;border-radius:999px}.qb-modal__section{padding:16px 16px 18px;border-radius:14px;background:#00000038;border:1px solid rgba(79,70,229,.18);display:flex;flex-direction:column;gap:14px}.qb-modal__section-head{display:flex;flex-direction:column;gap:4px}.qb-modal__section-title{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#c7d2fef2}.qb-modal__section-hint{font-size:.75rem;color:#fff6}.qb-modal__image-tools{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;padding:12px 14px;border-radius:12px;background:#4f46e51a;border:1px solid rgba(129,140,248,.22)}.qb-modal__file-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.qb-modal__image-hint{font-size:.72rem;color:#ffffff6b;flex:1 1 160px}.qb-modal__options-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}.qb-modal__row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.qb-modal__label{display:flex;flex-direction:column;gap:7px;font-size:.78rem;font-weight:600;color:#ffffff94}.qb-modal__label--option{margin:0}.qb-modal__label--inline{flex-direction:row;align-items:center;flex-wrap:wrap;gap:12px}.qb-modal__inline-label{flex-shrink:0}.qb-modal__label--inline .qb-modal__input--select{flex:0 1 auto;min-width:120px;max-width:200px}.qb-modal__input,.qb-modal__textarea{padding:11px 14px;border-radius:11px;border:1px solid rgba(79,70,229,.38);font-size:.9rem;font-family:inherit;background:#0a0a10eb;color:#fffffff0;width:100%;box-sizing:border-box}.qb-modal__input--select{cursor:pointer;appearance:none;background-image:linear-gradient(45deg,transparent 50%,#a5b4fc 50%),linear-gradient(135deg,#a5b4fc 50%,transparent 50%);background-position:calc(100% - 16px) calc(50% + 3px),calc(100% - 11px) calc(50% + 3px);background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:36px}.qb-modal__input:focus,.qb-modal__textarea:focus{outline:none;border-color:#818cf8b3;box-shadow:0 0 0 3px #4f46e533}.qb-modal__textarea{resize:vertical;min-height:80px}.qb-modal__textarea--sm{min-height:52px}.qb-modal__footer{display:flex;justify-content:flex-end;gap:10px;flex-shrink:0;padding:16px 22px 20px;background:#00000047;border-top:1px solid rgba(255,255,255,.07)}@media(max-width:600px){.qb-modal__options-grid{grid-template-columns:1fr}}@media(max-width:540px){.qb-modal__row2{grid-template-columns:1fr}}@media(max-width:900px){.qb-hub__toolbar{padding:12px}.qb-hub__toolbar-row{gap:10px}.qb-hub__field--lesson{flex-basis:200px;min-width:120px;max-width:min(240px,42vw)}.qb-hub__select{font-size:.8rem;padding:8px 10px}.qb-hub__tab{padding:7px 10px;font-size:.72rem}.qb-hub__toolbar-actions .qb-hub__btn{padding:8px 12px;font-size:.78rem}}.maintenance-container{position:fixed;top:0;left:0;width:100vw;height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;z-index:9999;overflow:hidden}.maintenance-content{text-align:center;color:#fff;max-width:500px;padding:40px;position:relative;z-index:10}.maintenance-icon{margin-bottom:40px}.gear-container{position:relative;width:120px;height:120px;margin:0 auto}.gear{position:absolute;width:60px;height:60px;border-radius:50%;background:#ffffff1a;border:3px solid rgba(255,255,255,.3);display:flex;align-items:center;justify-content:center}.gear1{top:0;left:0;animation:rotate-clockwise 3s linear infinite}.gear2{bottom:0;right:0;animation:rotate-counterclockwise 3s linear infinite}.gear-inner{width:30px;height:30px;border-radius:50%;background:#fff3;position:relative}.gear-teeth{position:absolute;width:100%;height:100%;background:repeating-conic-gradient(from 0deg,transparent 0deg,transparent 15deg,rgba(255,255,255,.3) 15deg,rgba(255,255,255,.3) 25deg);border-radius:50%;animation:teeth-rotate 1s linear infinite}@keyframes rotate-clockwise{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes rotate-counterclockwise{0%{transform:rotate(360deg)}to{transform:rotate(0)}}@keyframes teeth-rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.maintenance-message{margin-bottom:40px}.maintenance-title{font-size:2.5rem;font-weight:700;margin:0 0 10px;background:linear-gradient(45deg,#fff,#f0f8ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:glow 2s ease-in-out infinite alternate}.maintenance-subtitle{font-size:1.2rem;margin:0;opacity:.9;font-weight:300}@keyframes glow{0%{text-shadow:0 0 20px rgba(255,255,255,.5)}to{text-shadow:0 0 30px rgba(255,255,255,.8)}}.maintenance-progress{margin-bottom:40px}.progress-bar{width:100%;height:8px;background:#fff3;border-radius:4px;overflow:hidden;margin-bottom:15px}.progress-fill{height:100%;background:linear-gradient(90deg,#4ade80,#22c55e,#16a34a);border-radius:4px;animation:progress 2s ease-in-out infinite}.progress-text{font-size:1rem;font-weight:500;margin:0;animation:pulse 1.5s ease-in-out infinite}@keyframes progress{0%{width:0%}50%{width:70%}to{width:100%}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.maintenance-details{margin-bottom:40px}.detail-item{display:flex;align-items:center;justify-content:center;gap:10px;margin:10px 0;font-size:1rem;font-weight:400;opacity:.9;animation:fadeInUp .8s ease-out forwards}.detail-item:nth-child(1){animation-delay:.2s}.detail-item:nth-child(2){animation-delay:.4s}.detail-item:nth-child(3){animation-delay:.6s}.detail-icon{font-size:1.2rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.maintenance-footer{margin-top:40px}.footer-text{font-size:1rem;margin:0 0 20px;font-weight:400;opacity:.9}.heartbeat{display:inline-block;animation:heartbeat 1.5s ease-in-out infinite}.heartbeat span{font-size:2rem;display:inline-block}@keyframes heartbeat{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.maintenance-bg{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:1}.floating-shapes{position:absolute;width:100%;height:100%}.shape{position:absolute;font-size:2rem;opacity:.1;animation:float 6s ease-in-out infinite}.shape1{top:10%;left:10%;animation-delay:0s}.shape2{top:20%;right:15%;animation-delay:2s}.shape3{bottom:25%;left:20%;animation-delay:4s}.shape4{bottom:15%;right:10%;animation-delay:1s}@keyframes float{0%,to{transform:translateY(0) rotate(0)}33%{transform:translateY(-20px) rotate(120deg)}66%{transform:translateY(-10px) rotate(240deg)}}@media(max-width:768px){.maintenance-content{padding:20px;max-width:90%}.maintenance-title{font-size:2rem}.maintenance-subtitle{font-size:1rem}.gear-container{width:100px;height:100px}.gear{width:50px;height:50px}.detail-item{font-size:.9rem}}@media(max-width:480px){.maintenance-title{font-size:1.8rem}.maintenance-subtitle{font-size:.95rem}.progress-text{font-size:.9rem}}.admin-main-container{height:100vh;width:100vw;background:linear-gradient(135deg,#0a0a0f,#111118,#1a1a24,#0f0f15,#0a0a0f);display:flex;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}.admin-sidebar{width:260px;background:#0f0f14f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-right:1px solid rgba(79,70,229,.15);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;z-index:100;box-shadow:4px 0 24px #0000004d}.admin-main-content{flex:1;margin-left:260px;overflow:auto;height:100vh}.sidebar-header{padding:20px 18px;border-bottom:1px solid rgba(79,70,229,.2);background:linear-gradient(135deg,#4f46e51f,#9333ea14);position:relative}.sidebar-title{margin:0;color:#fff;font-size:18px;font-weight:700;letter-spacing:-.3px;background:linear-gradient(135deg,#fff,#bae6fde6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;text-shadow:0 2px 8px rgba(79,70,229,.3)}.sidebar-subtitle{margin:"6px 0 0 0";color:#fff9;font-size:11px;font-weight:400}.sidebar-header-decoration{position:absolute;bottom:-1px;left:18px;right:18px;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(79,70,229,.5) 50%,transparent 100%)}.sidebar-nav{flex:1;padding:24px 0}.nav-item{width:100%;padding:14px 24px;margin:2px 0;background:transparent;border:none;border-left:3px solid transparent;border-radius:0;color:#ffffffbf;text-align:left;cursor:pointer;font-size:13px;font-weight:400;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;gap:12px;position:relative;overflow:hidden}.nav-item.active{background:linear-gradient(135deg,#4f46e533,#9333ea1f);border-left-color:#4f46e5;color:#fff;font-weight:600}.nav-item:hover:not(.active){background:#ffffff14;transform:translate(2px)}.nav-item-icon{font-size:16px;filter:drop-shadow(0 0 6px rgba(79,70,229,.4))}.nav-item.active .nav-item-icon{filter:drop-shadow(0 0 6px rgba(79,70,229,.4))}.nav-item.active:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#4f46e514,#9333ea0a);border-radius:0 12px 12px 0;pointer-events:none}.sidebar-logout{padding:20px 18px;border-top:1px solid rgba(79,70,229,.2);background:#ffffff04}.logout-btn{width:100%;padding:12px;background:linear-gradient(135deg,#f5656526,#dc26261a);border:1px solid rgba(245,101,101,.4);border-radius:10px;color:#fca5a5;cursor:pointer;font-size:13px;font-weight:500;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.logout-btn:hover{background:linear-gradient(135deg,#f5656540,#dc262633);transform:translateY(-1px);box-shadow:0 4px 15px #f565654d}.nav-item-overlay{position:absolute;inset:0;background:linear-gradient(135deg,#4f46e514,#9333ea0a);border-radius:0 12px 12px 0;pointer-events:none}.rating-popup-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#0009;display:flex;justify-content:center;align-items:center;z-index:10000;animation:fadeIn .3s ease-in-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.rating-popup-modal{background:#fff;border-radius:20px;padding:40px;max-width:500px;width:90%;position:relative;box-shadow:0 10px 40px #0003;animation:slideUp .4s ease-out}@keyframes slideUp{0%{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.rating-popup-close{position:absolute;top:15px;right:15px;background:transparent;border:none;font-size:32px;color:#999;cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.rating-popup-close:hover{background-color:#f0f0f0;color:#333}.rating-popup-content{text-align:center}.rating-popup-title{font-size:28px;font-weight:700;color:#333;margin-bottom:10px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.rating-popup-subtitle{font-size:16px;color:#666;margin-bottom:30px}.rating-stars-container{display:flex;justify-content:center;gap:10px;margin-bottom:30px}.rating-star{background:transparent;border:none;font-size:50px;color:#ddd;cursor:pointer;transition:all .2s ease;padding:0;line-height:1}.rating-star:hover{transform:scale(1.2)}.rating-star.active{color:#ffc107;text-shadow:0 0 10px rgba(255,193,7,.5)}.rating-feedback-section{margin-bottom:25px;animation:fadeIn .3s ease-in-out}.rating-feedback-textarea{width:100%;padding:12px 16px;border:2px solid #e0e0e0;border-radius:12px;font-size:14px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;resize:vertical;transition:border-color .3s ease;box-sizing:border-box}.rating-feedback-textarea:focus{outline:none;border-color:#6200ea}.rating-feedback-textarea::placeholder{color:#999}.rating-popup-actions{display:flex;gap:15px;justify-content:center}.rating-btn{padding:12px 30px;border:none;border-radius:10px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s ease;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.rating-btn-skip{background-color:#f0f0f0;color:#666}.rating-btn-skip:hover{background-color:#e0e0e0;transform:translateY(-2px)}.rating-btn-submit{background:linear-gradient(135deg,#6200ea,#7f39fb);color:#fff}.rating-btn-submit:hover:not(:disabled){background:linear-gradient(135deg,#7f39fb,#9b59fb);transform:translateY(-2px);box-shadow:0 4px 12px #6200ea4d}.rating-btn-submit:disabled{background:#ccc;cursor:not-allowed;opacity:.6}@media(prefers-color-scheme:dark){.rating-popup-modal{background:#1e1e1e;color:#e0e0e0}.rating-popup-title{color:#e0e0e0}.rating-popup-subtitle,.rating-popup-close{color:#999}.rating-popup-close:hover{background-color:#2c2c2c;color:#e0e0e0}.rating-star{color:#444}.rating-feedback-textarea{background-color:#2c2c2c;border-color:#444;color:#e0e0e0}.rating-feedback-textarea:focus{border-color:#7f39fb}.rating-btn-skip{background-color:#2c2c2c;color:#e0e0e0}.rating-btn-skip:hover{background-color:#3a3a3a}}@media(max-width:600px){.rating-popup-modal{padding:30px 20px}.rating-popup-title{font-size:24px}.rating-star{font-size:40px}.rating-popup-actions{flex-direction:column}.rating-btn{width:100%}}.dlp-orch1-wrap{height:100%;min-height:0;display:flex;flex-direction:column;overflow:auto;position:relative}.dlp-orch1-modal-root{position:fixed;inset:0;z-index:2147483000;display:flex;align-items:center;justify-content:center;padding:20px;box-sizing:border-box;isolation:isolate}.dlp-orch1-modal-backdrop{position:absolute;inset:0;border:none;padding:0;margin:0;cursor:pointer;background:#0f172a73;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.dlp-orch1-modal-card{position:relative;z-index:1;max-width:420px;width:100%;max-height:calc(100dvh - 60px);overflow:auto;padding:22px 22px 18px;border-radius:16px;background:linear-gradient(165deg,#fff,#f8fafc);border:1px solid rgba(99,102,241,.22);box-shadow:0 24px 48px #0f172a2e,0 0 0 1px #fff9 inset}.dlp-orch1-example-modal-card{max-width:840px;background:radial-gradient(140% 120% at 100% 0%,#818cf82e,#818cf800 42%),radial-gradient(120% 120% at 0% 100%,#38bdf824,#38bdf800 44%),linear-gradient(165deg,#fff,#f8fbff);border-color:#6366f14d}.dlp-orch1-example-modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.dlp-orch1-example-modal-head h3{margin:0;font-size:1.15rem;font-weight:900;letter-spacing:-.02em;color:#1e1b4b}.dlp-orch1-btn--bookmark-active,.dlp-orch1-btn.dlp-orch1-btn--ghost.dlp-orch1-btn--bookmark-active{background:linear-gradient(145deg,#dcfce7,#bbf7d0);border-color:#16a34a9e;color:#166534;box-shadow:0 8px 20px #16a34a33}.dlp-orch1-example-modal-block{border-radius:12px;padding:14px 16px;margin:10px 0;border:1px solid rgba(148,163,184,.28);box-shadow:0 10px 22px #0f172a14,0 0 0 1px #ffffff8c inset}.dlp-orch1-example-modal-block--question{background:radial-gradient(110% 110% at 0% 0%,#3b82f633,#3b82f600 50%),linear-gradient(160deg,#eff6fff0,#e0f2fed1);border-color:#3b82f657}.dlp-orch1-example-modal-block--answer{background:linear-gradient(160deg,#f0fdfaf0,#ccfbf1cc);border-color:#10b98152}.dlp-orch1-example-modal-block-k{margin:0 0 8px;font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:#334155}.dlp-orch1-example-answer-details>summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;font-weight:700;color:#334155;margin-top:10px;padding:9px 12px;border-radius:10px;list-style:none;border:1px solid rgba(148,163,184,.35);background:#fff;transition:border-color .16s ease,color .16s ease}.dlp-orch1-example-answer-details>summary::-webkit-details-marker{display:none}.dlp-orch1-example-answer-details>summary:after{content:"Show";margin-left:auto;font-size:11px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:#64748b}.dlp-orch1-example-answer-details[open]>summary:after{content:"Hide"}.dlp-orch1-example-answer-details>summary:hover{border-color:#64748b8c;color:#1e293b}.dlp-orch1-example-answer-details[open]>summary{background:#fff;border-color:#6366f15c}.dlp-orch1-example-answer-details{margin-bottom:14px}.dlp-orch1-example-modal-actions{margin-top:12px;padding-top:10px;border-top:1px solid rgba(148,163,184,.25);position:relative;z-index:2;background:transparent}.dlp-orch1-example-modal-block .question-html,.dlp-orch1-example-modal-block .answer-html{line-height:1.78;color:#0f172a}.dlp-orch1-example-modal-block .question-html p,.dlp-orch1-example-modal-block .answer-html p{margin:0 0 10px}.dlp-orch1-example-modal-block .question-html p:last-child,.dlp-orch1-example-modal-block .answer-html p:last-child{margin-bottom:0}.dlp-orch1-modal-actions .dlp-orch1-btn:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.15);box-shadow:none}.dlp-orch1-modal-title{margin:0 0 10px;font-size:1.15rem;font-weight:800;color:#0f172a;letter-spacing:-.02em}.dlp-orch1-modal-body{margin:0 0 18px;font-size:14px;line-height:1.55;color:#475569}.dlp-orch1-modal-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}@media(max-width:700px){.dlp-orch1-modal-root{padding:12px}.dlp-orch1-modal-card{width:min(100%,460px);max-height:calc(100dvh - 40px);padding:16px 14px 14px;border-radius:12px}.dlp-orch1-modal-title{font-size:1rem}.dlp-orch1-modal-body{font-size:13px;line-height:1.5;margin-bottom:14px}.dlp-orch1-modal-actions{width:100%}.dlp-orch1-modal-actions .dlp-orch1-btn{flex:1 1 100%;width:100%}}.dlp-orch1-pane{padding:12px 8px;position:relative}.dlp-orch1-pane.dlp-orch1-pane--video{display:flex;flex-direction:column;align-items:stretch;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px))}.dlp-orch1-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:14px}.dlp-orch1-actions--dock{position:sticky;bottom:12px;z-index:25;width:fit-content;max-width:min(1200px,calc(100% - 16px));margin:16px auto 0;padding:10px;border-radius:16px;background:linear-gradient(135deg,#fffffff2,#f2f7ffe0);border:1px solid rgba(102,126,234,.26);box-shadow:0 14px 32px #21252933,0 0 0 1px #ffffff52 inset;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.dlp-orch1-actions--dock.dlp-orch1-actions--video-fixed{position:sticky;bottom:max(12px,env(safe-area-inset-bottom,0px));align-self:center;left:auto;right:auto;transform:none;z-index:50;margin:14px auto 0;width:fit-content;max-width:min(920px,calc(100% - 16px));box-sizing:border-box;pointer-events:auto;box-shadow:0 10px 40px #0f172a38,0 0 0 1px #fff6 inset;background:linear-gradient(135deg,#fffffffa,#f2f7fff5);border:1px solid rgba(102,126,234,.3);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.dlp-orch1-btn{border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer;border:none;transition:transform .16s ease,box-shadow .16s ease,filter .16s ease}.dlp-orch1-btn:hover{transform:translateY(-1px);filter:brightness(1.02)}.dlp-orch1-btn:active{transform:translateY(0)}.dlp-orch1-btn--primary{color:#fff;background:linear-gradient(135deg,#667eea,#764ba2);box-shadow:0 8px 16px #667eea4d}.dlp-orch1-btn--ghost{color:#3e4f9e;background:#fff;border:1px solid rgba(102,126,234,.35)}.dlp-orch1-btn--review{color:#0c4a6e;background:linear-gradient(180deg,#e0f2fe,#bae6fd);border:1px solid rgba(14,165,233,.55);box-shadow:0 4px 12px #0ea5e92e}.dlp-orch1-btn--review:hover{filter:brightness(1.03);border-color:#0284c7bf}.dlp-orch1-btn--danger{color:#fff;background:linear-gradient(135deg,#ef4444,#b91c1c);box-shadow:0 8px 16px #ef444447}.dlp-orch1-delete-ai-modal{max-width:460px}.dlp-orch1-actions--report-dock{flex-wrap:nowrap;justify-content:center;gap:10px}@media(max-width:640px){.dlp-orch1-pane{padding-bottom:12px}.dlp-orch1-actions--dock{bottom:10px;width:auto;justify-content:stretch;gap:8px}.dlp-orch1-actions--dock .dlp-orch1-btn{flex:1 1 calc(50% - 4px);min-width:0}.dlp-orch1-actions--report-dock .dlp-orch1-btn{flex:1 1 100%;width:100%}}@media(max-width:700px){.dlp-orch1-pane{padding:10px 6px 160px}.dlp-orch1-pane.dlp-orch1-pane--video{padding-bottom:calc(12px + env(safe-area-inset-bottom,0px))}.dlp-orch1-actions--dock{bottom:8px;width:auto;max-width:none;padding:8px;gap:8px;border-radius:12px}.dlp-orch1-actions--report-dock{flex-wrap:wrap}.dlp-orch1-actions--dock .dlp-orch1-btn{flex:1 1 100%;width:100%;padding:11px 12px;font-size:13px;border-radius:10px}}.dlp-orch1-fallback{margin-top:12px;border:1px solid rgba(102,126,234,.16);border-radius:12px;overflow:hidden}.dlp-orch1-fallback--notes-anchor{scroll-margin-top:24px}.dlp-orch1-example-box{max-width:1160px;margin:0 auto 8px;background:#fff;border-radius:12px;padding:14px 16px;box-shadow:0 8px 24px #00000014}.dlp-orch1-example-box p{margin:8px 0 0;line-height:1.6}.dlp-orch1-example-center{width:100%;max-width:none;margin:0 auto;display:grid;gap:12px;justify-items:stretch}.dlp-orch1-pane--examples{min-height:100%;display:flex;flex-direction:column;justify-content:flex-start;align-items:stretch;padding-left:4px;padding-right:4px}.dlp-orch1-example-surface{width:100%;max-width:100%;margin:0 auto}.dlp-orch1-example-surface--card{background:#fff;padding:clamp(14px,2.2vw,26px);border-radius:12px;box-shadow:0 8px 24px #0000001a;width:98%;max-width:none;box-sizing:border-box}.dlp-orch1-example-grid{width:100%;display:grid;grid-template-columns:repeat(auto-fill,minmax(214px,1fr));gap:14px;align-items:stretch}.dlp-orch1-example-tile{min-height:142px;border:1px solid rgba(99,102,241,.28);border-radius:14px;background:radial-gradient(120% 120% at 0% 0%,#6366f133,#6366f100 45%),linear-gradient(145deg,#fff,#eef2ff 52%,#f8fafc);display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;padding:11px;text-align:left;cursor:pointer;font:inherit;color:#0f172a;box-shadow:0 10px 20px #4f46e51a,0 0 0 1px #fff9 inset;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease;position:relative;overflow:hidden}.dlp-orch1-example-tile:after{content:"";position:absolute;inset:auto -30% -65% auto;width:140px;height:140px;border-radius:50%;background:radial-gradient(circle,#3b82f638,#3b82f600);pointer-events:none}.dlp-orch1-example-tile:hover{transform:translateY(-3px) scale(1.015);border-color:#4f46e580;box-shadow:0 16px 30px #4f46e52e,0 0 0 1px #ffffffa6 inset}.dlp-orch1-example-tile--ai{background:radial-gradient(120% 120% at 100% 0%,#8b5cf642,#8b5cf600 42%),linear-gradient(145deg,#fff,#f5f3ff 58%,#faf5ff);border-color:#8b5cf657}.dlp-orch1-example-tile--pending{border-style:dashed;border-color:#6366f173;background:linear-gradient(120deg,#ffffffdb 25%,#eef2fff5 37%,#ffffffdb 63%),linear-gradient(145deg,#fff,#eef2ff);background-size:220% 100%,100% 100%;animation:dlp-example-pending-shimmer 1.2s linear infinite}.dlp-orch1-example-tile-k{font-size:12px;font-weight:800;color:#4338ca;text-transform:uppercase;letter-spacing:.05em}.dlp-orch1-example-tile-title{font-size:13px;line-height:1.5;color:#334155;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.dlp-orch1-example-tile-pending{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;color:#4338ca;line-height:1.45}.dlp-orch1-example-tile-pending-dot{width:10px;height:10px;border-radius:999px;border:2px solid rgba(99,102,241,.28);border-top-color:#6366f1;animation:dlp-spin .85s linear infinite;flex:0 0 auto}.dlp-orch1-example-tile-ai-tag{font-size:10px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#5b21b6;border:1px solid rgba(139,92,246,.45);background:linear-gradient(145deg,#f5f3fffa,#ede9fef2);border-radius:999px;padding:2px 7px;box-shadow:0 6px 14px #5b21b624}.dlp-orch1-example-tile-meta{position:absolute;top:8px;right:8px;display:flex;align-items:center;justify-content:flex-end;gap:6px;z-index:2}.dlp-orch1-example-tile-delete{width:24px;height:24px;border-radius:999px;border:1px solid rgba(239,68,68,.45);background:linear-gradient(145deg,#fef2f2f2,#fee2e2eb);color:#b91c1c;font-size:20px;font-weight:800;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0;box-shadow:0 6px 14px #ef444426;transition:transform .14s ease,filter .14s ease,border-color .14s ease}.dlp-orch1-example-tile-delete:hover{transform:translateY(-1px) scale(1.04);border-color:#dc2626bf;filter:brightness(1.01)}.dlp-orch1-example-tile-mark{font-size:11px;font-weight:700;color:#0f766e;background:#14b8a624;border:1px solid rgba(13,148,136,.32);border-radius:999px;padding:3px 8px}@keyframes dlp-example-pending-shimmer{0%{background-position:200% 0,0 0}to{background-position:-20% 0,0 0}}@media(max-width:700px){.dlp-orch1-example-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.dlp-orch1-example-tile{min-height:122px;padding:9px}.dlp-orch1-example-surface--card{padding:14px 12px;border-radius:10px}}@media(min-width:1280px){.dlp-orch1-example-grid{grid-template-columns:repeat(auto-fill,minmax(236px,1fr))}}.dlp-orch1-example-counter{margin:0 auto 15px;min-width:220px;padding:8px 16px;border-radius:999px;font-size:13px;font-weight:800;text-align:center;color:#312e81;background:linear-gradient(145deg,#eef2fff2,#e0e7ffe0);border:1px solid rgba(99,102,241,.32);box-shadow:0 8px 18px #4f46e524}.dlp-orch1-example-card{flex:1 1 auto;min-width:0;width:100%;max-width:95%;margin:0 auto}.dlp-orch1-example-card-wrap{width:100%;max-width:1100px;margin:0 auto;display:flex;flex-direction:row;flex-wrap:nowrap;align-items:stretch;justify-content:space-between;gap:10px}.dlp-orch1-example-arrow{flex:0 0 32px;width:32px;height:32px;min-width:32px;align-self:center;border-radius:999px;border:1px solid rgba(148,163,184,.5);background:linear-gradient(180deg,#fff,#f8fafc);color:#64748b;font-size:17px;font-weight:500;line-height:1;cursor:pointer;box-shadow:0 1px 2px #0f172a0f;transition:color .15s ease,border-color .15s ease,background .15s ease,box-shadow .15s ease,opacity .15s ease}.dlp-orch1-example-arrow:hover:not(:disabled){color:#334155;border-color:#6366f173;background:#fff;box-shadow:0 2px 8px #0f172a14}.dlp-orch1-example-arrow:disabled{opacity:.35;cursor:not-allowed}.dlp-orch1-example-arrow--left{margin-right:2px}.dlp-orch1-example-arrow--right{margin-left:2px}@media(max-width:740px){.dlp-orch1-example-card-wrap{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto auto;gap:12px 16px;justify-items:stretch}.dlp-orch1-example-card{grid-column:1 / -1;grid-row:1;max-width:95%}.dlp-orch1-example-arrow--left{grid-column:1;grid-row:2;justify-self:start;margin-right:0}.dlp-orch1-example-arrow--right{grid-column:2;grid-row:2;justify-self:end;margin-left:0}}.dlp-orch1-solved-item{margin-top:10px;padding:10px 12px;border-radius:10px;border:1px solid rgba(33,37,41,.12);background:#f8f9ffeb}.dlp-orch1-solved-title{font-size:12px;font-weight:700;color:#4f46e5}.dlp-orch1-remediation{min-height:100%;display:grid;place-items:center}.dlp-orch1-remediation-card{width:min(780px,92%);background:#fff;border-radius:16px;padding:24px;box-shadow:0 10px 30px #0000001f;border:1px solid rgba(102,126,234,.18)}.dlp-orch1-remediation-card h3{margin:0 0 8px}.dlp-orch1-remediation-card p{margin:8px 0;line-height:1.6}.dlp-orch1-pass-card{border-color:#28a74559}.dlp-orch1-llm-card{margin:12px 0;border:1px solid rgba(102,126,234,.22);border-radius:10px;background:#667eea0f;padding:10px 12px}.dlp-orch1-llm-card strong{display:block;margin-bottom:6px;color:#3f45a0}.dlp-orch1-report-wait,.dlp-qz-ai-wait{display:inline-flex;align-items:center;gap:8px;margin:10px 0 6px;min-height:22px}.dlp-qz-ai-wait-dot,.dlp-orch1-report-wait .dlp-qz-ai-wait-dot{width:8px;height:8px;border-radius:50%;background:#6366f1;animation:dlp-pulse-dot .9s ease-in-out infinite}@keyframes dlp-pulse-dot{0%,to{opacity:.35;transform:scale(.92)}50%{opacity:1;transform:scale(1)}}.dlp-qz-ai-wait-text{font-size:13px;color:#64748b}.dlp-orch1-report-body-wrap{margin:10px 0 4px}.dlp-orch1-report-lead{margin:0 0 12px;padding:10px 12px;border-radius:10px;background:#667eea14;border:1px solid rgba(102,126,234,.2);color:#334155;line-height:1.55;font-size:14px}.dlp-orch1-report-body{margin:0 0 10px;line-height:1.6;color:#1e293b}.dlp-orch1-cta-block{margin:14px 0 10px;padding:12px;border-radius:12px;border:1px solid rgba(102,126,234,.22);background:#f8fafcf2}.dlp-orch1-cta-block-title{display:block;margin-bottom:10px;font-size:13px;color:#4338ca;letter-spacing:.02em}.dlp-orch1-cta-grid{display:flex;flex-wrap:wrap;gap:10px}.dlp-orch1-cta-tile{flex:1 1 140px;min-width:120px;max-width:220px;text-align:left;text-decoration:none;color:inherit;cursor:pointer;border-radius:10px;border:1px solid rgba(148,163,184,.45);background:#fff;padding:10px 11px;font:inherit;transition:border-color .15s ease,box-shadow .15s ease}.dlp-orch1-cta-tile:hover{border-color:#667eea8c;box-shadow:0 6px 16px #0f172a14}.dlp-orch1-cta-label{display:block;font-weight:700;font-size:13px;color:#1e293b}.dlp-orch1-cta-desc{display:block;margin-top:4px;font-size:12px;color:#64748b;line-height:1.35}.dlp-qz-ai-fb{margin:0 0 12px;padding:10px 0 0;border-top:1px dashed rgba(33,37,41,.15)}.dlp-qz-ai-fb-headline{margin:0 0 8px;font-weight:700;font-size:15px;color:#1e3a8a}.dlp-qz-ai-fb-line{margin:0 0 8px;line-height:1.55;font-size:14px;color:#334155}.dlp-qz-ai-fb-k{display:block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:#6366f1;margin-bottom:2px}.dlp-qz-ai-fb-k--pos{color:#047857}.dlp-qz-ai-fb-next .dlp-qz-ai-fb-k{color:#0d9488}.dlp-orch1-quiz-host--hidden{display:none!important}.dlp-orch1-report-card{max-width:640px}.dlp-orch1-report-header{margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid rgba(15,23,42,.08)}.dlp-orch1-report-title{margin:0 0 6px;font-size:1.35rem;font-weight:800;color:#0f172a;letter-spacing:-.02em}.dlp-orch1-report-scoreline{margin:0;font-size:14px;color:#64748b;font-weight:600}.dlp-orch1-report-coach{margin-bottom:20px}.dlp-orch1-report-body-lead{margin:8px 0 10px;line-height:1.55;font-size:15px;color:#334155}.dlp-orch1-report-timing{margin:0 0 10px;font-size:13px;color:#475569;font-style:italic}.dlp-orch1-report-bullets{margin:0;padding-left:1.15rem;color:#1e293b;font-size:14px;line-height:1.5}.dlp-orch1-report-bullets li{margin-bottom:6px}.dlp-orch1-report-links{margin:8px 0 20px;padding:16px 14px;border-radius:14px;background:linear-gradient(160deg,#f8fafcfa,#eef2ffeb);border:1px solid rgba(99,102,241,.2)}.dlp-orch1-report-links-title{margin:0 0 4px;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:#4338ca}.dlp-orch1-report-links-sub{margin:0 0 14px;font-size:12px;color:#64748b}.dlp-orch1-report-links-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.dlp-orch1-report-link-tile{text-align:left;border-radius:14px;border:1px solid rgba(148,163,184,.28);background:#fff;padding:14px 16px;min-height:88px;cursor:pointer;font:inherit;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.dlp-orch1-report-link-tile:hover{border-color:#6366f173;box-shadow:0 8px 22px #0f172a14;transform:translateY(-1px)}.dlp-orch1-report-link-tile--accent{border-color:#10b98173;background:linear-gradient(135deg,#ecfdf5e6,#fff)}.dlp-orch1-report-link-k{display:block;font-weight:800;font-size:14px;color:#0f172a;margin-bottom:4px}.dlp-orch1-report-link-d{display:block;font-size:12px;color:#64748b;line-height:1.35}.dlp-orch1-report-link-tile--with-icon{display:flex;flex-direction:row;align-items:center;gap:14px}.dlp-orch1-report-tile-body{display:flex;flex-direction:column;gap:4px;min-width:0;text-align:left}.dlp-orch1-report-tile-icon{flex-shrink:0;width:50px;height:50px;border-radius:14px;display:grid;place-items:center;color:#fff;box-shadow:0 8px 20px #0f172a2e}.dlp-orch1-report-link-tile--brand-video .dlp-orch1-report-tile-icon{background:linear-gradient(145deg,#6366f1,#4338ca)}.dlp-orch1-report-link-tile--brand-examples .dlp-orch1-report-tile-icon{background:linear-gradient(145deg,#0ea5e9,#0369a1)}.dlp-orch1-report-link-tile--brand-notes .dlp-orch1-report-tile-icon{background:linear-gradient(145deg,#a855f7,#6b21a8)}.dlp-orch1-report-link-tile--accent .dlp-orch1-report-tile-icon{background:linear-gradient(145deg,#34d399,#059669)}@media(max-width:700px){.dlp-orch1-report-links-grid{grid-template-columns:1fr}}.dlp-qz-root{padding:clamp(16px,3vw,32px);box-sizing:border-box}.dlp-qz-root--narrow{padding:12px 10px}.dlp-qz-card .quiz-question-html img,.dlp-qz-card .quiz-question-html .edu-content-image{max-width:100%;height:auto;border-radius:8px;display:block;margin:.6rem 0}.dlp-qz-card .quiz-question-html mjx-container,.dlp-qz-card .quiz-question-html .MathJax{max-width:100%;overflow-x:auto}.dlp-qz-card{background:#fff;padding:clamp(16px,2.5vw,24px);border-radius:12px;box-shadow:0 8px 24px #0000001a;position:relative;max-width:1200px;margin:0 auto;overflow-x:auto;overflow-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto;width:100%;box-sizing:border-box}.dlp-qz-card--narrow{border-radius:10px;padding:14px 12px}.dlp-qz-card--message{text-align:center;color:#475569;font-weight:600}.dlp-qz-session-head{margin-bottom:14px;padding:10px 12px;border-radius:12px;border:1px solid rgba(79,70,229,.2);background:linear-gradient(135deg,#4f46e514,#2563eb0f);display:flex;justify-content:space-between;align-items:center;gap:10px}.dlp-qz-session-title{font-size:15px;color:#3730a3}.dlp-qz-session-badge{font-size:12px;color:#475569;background:#ffffffbf;border:1px solid rgba(79,70,229,.18);border-radius:999px;padding:4px 10px}.dlp-qz-progress-block{margin-bottom:10px;padding:10px 12px;border-radius:14px;border:1px solid rgba(79,70,229,.2);background:radial-gradient(120% 110% at 0% 0%,#4f46e529,#4f46e500 44%),linear-gradient(145deg,#fffffff5,#eef2ffe6)}.dlp-qz-progress-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.dlp-qz-progress-label{font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:#4338ca}.dlp-qz-progress-value{font-size:12px;font-weight:800;color:#312e81}.dlp-qz-progress-track{height:10px;width:100%;border-radius:999px;background:#94a3b83d;overflow:hidden;box-shadow:inset 0 1px 3px #0f172a26}.dlp-qz-progress-fill{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#4f46e5,#2563eb 45%,#0ea5e9);box-shadow:0 4px 14px #2563eb59,0 0 0 1px #ffffff3d inset;transition:width .35s ease;position:relative}.dlp-qz-progress-fill:after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,#fff0 20%,#fff6 52%,#fff0 82%);animation:dlp-qz-progress-shine 1.6s linear infinite}.dlp-qz-question-chip{margin-bottom:8px;display:inline-flex;align-items:center;gap:8px;padding:4px 10px;border-radius:999px;border:1px solid rgba(79,70,229,.22);background:#4f46e514;color:#3730a3;font-size:12px;font-weight:700}.dlp-qz-ai-chip{margin-left:4px;font-size:11px;font-weight:800;letter-spacing:.3px;text-transform:uppercase;color:#5b21b6;border:1px solid rgba(91,33,182,.35);background:#7c3aed1f;border-radius:999px;padding:2px 8px}.dlp-qz-options-grid{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.dlp-qz-options-grid--1col{grid-template-columns:1fr}.dlp-qz-option{text-align:left;border-radius:12px;border:1px solid rgba(33,37,41,.14);background:#fff;padding:12px 14px;min-height:68px;cursor:pointer;font:inherit;box-shadow:0 6px 16px #0206170d;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease}.dlp-qz-option:disabled{cursor:default}.dlp-qz-option[data-selected="1"]{border-color:#2563eb8c;background:#2563eb17;box-shadow:0 8px 20px #2563eb1f}.dlp-qz-option[data-result=correct]{border-color:#10b98173;background:#10b98124}.dlp-qz-option[data-result=wrong]{border-color:#ef444466;background:#ef44441f}.dlp-qz-option-letter{margin-right:8px}.dlp-qz-option-text{text-align:left;line-height:1.45;flex:1;min-width:0}.dlp-qz-option-text mjx-container{vertical-align:middle}.dlp-qz-option-badge{margin-left:10px;font-size:12px;font-weight:700}.dlp-qz-option-badge--ok{color:#047857}.dlp-qz-option-badge--bad{color:#b91c1c}.dlp-ai-stars{display:flex;flex-wrap:wrap;gap:8px}.dlp-ai-star-btn{border:1px solid rgba(99,102,241,.3);background:#fff;color:#475569;border-radius:999px;padding:7px 12px;min-width:48px;cursor:pointer;font-weight:700;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,color .12s ease;letter-spacing:.5px}.dlp-ai-star-btn:hover{transform:translateY(-1px);box-shadow:0 8px 18px #4f46e52e;border-color:#6366f18c;color:#f59e0b}.question-ai-stars{display:inline-flex;flex-wrap:wrap;gap:8px}.dlp-orch1-example-subtitle{margin:-4px 0 10px;color:#64748b;font-size:13px;font-weight:500}.question-ai-stars button{border:1px solid rgba(99,102,241,.28);background:#fff;color:#475569;border-radius:999px;padding:7px 12px;min-width:48px;cursor:pointer;font-size:12px;font-weight:700;letter-spacing:.4px;transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,color .12s ease}.question-ai-stars button:hover{transform:translateY(-1px);box-shadow:0 8px 18px #4f46e52e;border-color:#6366f18c;color:#f59e0b}.question-ai-stars--graphic{gap:6px}.question-ai-rating-pick{display:grid;gap:10px;justify-items:start}.question-ai-star-icon-btn{min-width:auto!important;width:40px;height:40px;border-radius:12px!important;border:1px solid rgba(148,163,184,.35)!important;background:linear-gradient(180deg,#fff,#f8fafc)!important;color:#cbd5e1!important;font-size:22px!important;line-height:1!important;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 10px #0f172a14}.question-ai-star-icon-btn:hover{color:#f59e0b!important;border-color:#f59e0b73!important;box-shadow:0 10px 20px #f59e0b33}.question-ai-star-icon-btn--active{color:#f59e0b!important;border-color:#f59e0b85!important;background:linear-gradient(180deg,#fff7ed,#ffedd5)!important}.dlp-orch1-ai-loading{min-height:180px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;color:#334155}.dlp-orch1-ai-loading p{margin:0;font-weight:600}.dlp-orch1-ai-loading-dot{width:26px;height:26px;border:3px solid rgba(79,70,229,.2);border-top-color:#4f46e5e6;border-radius:999px;animation:dlp-spin .85s linear infinite}@keyframes dlp-spin{to{transform:rotate(360deg)}}@keyframes dlp-qz-progress-shine{0%{transform:translate(-120%)}to{transform:translate(120%)}}.dlp-qz-result-line{margin:0 0 8px;line-height:1.45}.dlp-qz-result-line--correct-key{margin:0 0 10px;color:#047857}.dlp-qz-result-line--correct-key strong{color:#065f46}.dlp-qz-result-line--your-ok{color:#047857}.dlp-qz-result-line--your-ok strong{color:#065f46}.dlp-qz-result-line--your-bad{color:#b91c1c}.dlp-qz-result-line--your-bad strong{color:#991b1b}.dlp-qz-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;padding:10px 12px;border-radius:12px;background:#f8fafcf2;border:1px solid rgba(148,163,184,.22);align-items:center;justify-content:flex-start}.dlp-qz-nav-cta{display:inline-flex;flex-wrap:wrap;gap:8px;align-items:center;margin-left:auto}.dlp-qz-nav>.dlp-qz-nav-btn--next,.dlp-qz-nav>.dlp-qz-nav-btn--finish{margin-left:auto}.dlp-qz-nav--report-review{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px 12px;width:100%;box-sizing:border-box}.dlp-qz-nav-col--start{justify-self:start}.dlp-qz-nav-col--center{justify-self:center}.dlp-qz-nav-col--end{justify-self:end}.dlp-qz-nav--report-review .dlp-qz-nav-btn--next{margin-left:0}.dlp-qz-nav--report-review .dlp-qz-nav-spacer{display:inline-block;width:1px;height:42px;visibility:hidden;pointer-events:none}.dlp-qz-nav-btn--report-back{border:1px solid rgba(99,102,241,.42);background:linear-gradient(180deg,#eef2ff,#e0e7ff);color:#312e81;font-weight:600;box-shadow:0 2px 8px #4f46e51f}.dlp-qz-nav-btn--report-back:hover:not(:disabled){border-color:#4338caa6;color:#1e1b4b;background:linear-gradient(180deg,#e0e7ff,#c7d2fe)}.dlp-qz-nav-btn{padding:10px 16px;border-radius:10px;font-family:inherit;font-size:inherit;font-weight:700;cursor:pointer;border:none;transition:opacity .15s ease,transform .15s ease}.dlp-qz-nav-btn:disabled{cursor:not-allowed;opacity:.5}.dlp-qz-nav-btn--secondary{border:1px solid rgba(33,37,41,.2);background:#fff;font-weight:600}.dlp-qz-nav-btn--primary{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:#fff}.dlp-qz-nav-btn--skip{padding:10px 14px;border-radius:10px;font-weight:600;font-size:13px;color:#64748b;background:#fff;border:1px dashed rgba(100,116,139,.45)}.dlp-qz-nav-btn--skip:hover:not(:disabled){border-color:#6366f166;color:#475569}.dlp-qz-nav-btn--next{background:linear-gradient(135deg,#16a34a,#15803d);color:#fff}.dlp-qz-nav-btn--finish{background:linear-gradient(135deg,#7c3aed,#6d28d9);color:#fff}@media(max-width:700px){.dlp-qz-options-grid:not(.dlp-qz-options-grid--1col){grid-template-columns:1fr}.dlp-qz-option{min-height:unset}.dlp-qz-nav{flex-direction:column;align-items:stretch}.dlp-qz-nav-cta{margin-left:0;width:100%}.dlp-qz-nav-cta .dlp-qz-nav-btn{flex:1 1 auto;min-width:0}.dlp-qz-nav>.dlp-qz-nav-btn--next,.dlp-qz-nav>.dlp-qz-nav-btn--finish{margin-left:0;width:100%}.dlp-qz-nav--report-review{grid-template-columns:1fr;justify-items:stretch}.dlp-qz-nav-col--start,.dlp-qz-nav-col--center,.dlp-qz-nav-col--end{justify-self:stretch}.dlp-qz-nav--report-review .dlp-qz-nav-spacer{display:none}.dlp-qz-nav--report-review .dlp-qz-nav-btn,.dlp-qz-nav-btn{width:100%}}.controller-drawer-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:9998}.controller-drawer-overlay.active{opacity:1;visibility:visible}.controller-drawer{position:fixed;top:0;right:0;bottom:0;width:90vw;max-width:1200px;background:#fff;box-shadow:-4px 0 24px #00000026;transform:translate(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:9999;display:flex;flex-direction:column}.controller-drawer.open{transform:translate(0)}.controller-drawer-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;background:linear-gradient(135deg,#667eea,#764ba2 60%,#f093fb);color:#fff;box-shadow:0 2px 8px #667eea33;flex-shrink:0}.controller-drawer-title{margin:0;font-size:20px;font-weight:700;display:flex;align-items:center;gap:10px;letter-spacing:.3px}.controller-drawer-icon{font-size:24px;animation:controller-drawer-icon-pulse 2s ease-in-out infinite}@keyframes controller-drawer-icon-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.controller-drawer-close{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:20px;font-weight:300;transition:all .2s ease}.controller-drawer-close:hover{background:#ffffff4d;transform:scale(1.05)}.controller-drawer-close:active{transform:scale(.95)}.controller-drawer-content{flex:1;overflow:hidden;position:relative}.controller-drawer-content .controller-app{height:100%;width:100%}.controller-drawer-content .controller-sidebar-content>a[href="/"]{display:none}@media(max-width:768px){.controller-drawer{width:100vw;max-width:100vw}.controller-drawer-header{padding:16px 20px}.controller-drawer-title{font-size:18px}.controller-drawer-icon{font-size:22px}.controller-drawer-close{width:32px;height:32px;font-size:18px}}@media(max-width:480px){.controller-drawer-header{padding:14px 16px}.controller-drawer-title{font-size:16px}.controller-drawer-icon{font-size:20px}}body{overflow-x:hidden;background:#f8f9fa}.fd-wrapper{width:100vw;height:100vh;display:flex;background:#f8f9fa;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.fd-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:20px;color:#6c757d;background:#f8f9fa}.fd-loading-spinner{width:40px;height:40px;border:4px solid #dee2e6;border-top:4px solid #007bff;border-radius:50%;animation:fd-spin 1s linear infinite}@keyframes fd-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.fd-error{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;padding:50px 20px;color:#dc3545;background:#f8f9fa;text-align:center}.fd-sidebar{width:320px;background:#fff;border-right:1px solid #e9ecef;display:flex;flex-direction:column;transition:width .3s ease;box-shadow:2px 0 8px #0000000d}.fd-sidebar.fd-collapsed{width:60px}.fd-sidebar-header{padding:20px;border-bottom:1px solid #e9ecef;display:flex;justify-content:center;align-items:center;background:#f8f9fa;min-height:62px}.fd-sidebar.fd-collapsed .fd-sidebar-header{justify-content:center;padding:10px}.fd-sidebar.fd-collapsed .fd-sidebar-header h3{display:none}.fd-sidebar-header h3{margin:0;font-size:1.2rem;font-weight:600;color:#495057;flex:1}.fd-sidebar-toggle{background:none;border:1px solid #dee2e6;border-radius:6px;padding:6px 10px;cursor:pointer;color:#6c757d;font-size:14px;transition:all .2s;position:relative;z-index:10}.fd-sidebar-toggle:hover{background:#e9ecef;border-color:#adb5bd}.fd-sidebar-content{flex:1;overflow-y:auto;padding:0}.fd-sidebar-search{padding:16px 20px;border-bottom:1px solid #e9ecef}.fd-pinned-section,.fd-all-forums-section{padding:16px 0}.fd-section-header{display:flex;align-items:center;gap:8px;padding:0 20px 12px;font-size:13px;font-weight:600;color:#495057;text-transform:uppercase;letter-spacing:.5px}.fd-pin-icon{font-size:14px}.fd-forums-list{padding:0}.fd-forum-item{padding:14px 20px;border-bottom:1px solid #f1f3f4;cursor:pointer;transition:all .2s ease;position:relative;display:flex;align-items:center;gap:12px}.fd-forum-item:hover{background:#f8f9fa;padding-left:24px}.fd-forum-item.fd-active{background:#e3f2fd;border-right:3px solid #2196f3}.fd-forum-item.fd-pinned{background:#fff3cd;border-left:3px solid #ffc107}.fd-forum-item.fd-pinned:hover{background:#ffeaa7}.fd-forum-item.fd-closed-forum .fd-forum-item-title{color:#000}.fd-forum-item.fd-closed-forum:hover{background:#f8f9fa}.fd-forum-closed-badge{margin-left:6px;font-size:12px;opacity:.8}.fd-forum-status{color:#dc3545;font-weight:500}.fd-forum-item-content{flex:1}.fd-forum-item-title{font-weight:500;color:#212529;margin-bottom:4px;font-size:14px;line-height:1.4}.fd-forum-item-meta{font-size:12px;color:#6c757d}.fd-pin-btn,.fd-unpin-btn{background:none;border:none;cursor:pointer;font-size:14px;opacity:0;transition:opacity .2s;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center}.fd-forum-item:hover .fd-pin-btn,.fd-forum-item:hover .fd-unpin-btn{opacity:1}.fd-pin-btn:hover{background:#ffc1071a}.fd-close-forum-btn{background:#dc3545;color:#fff;border:none;padding:9px 12px;border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;transition:all .2s;display:flex;align-items:center;gap:4px}.fd-close-forum-btn:hover:not(:disabled){background:#c82333;transform:translateY(-1px)}.fd-close-forum-btn:disabled{background:#6c757d;cursor:not-allowed;transform:none}.fd-closed-indicator{display:flex;align-items:center;gap:6px;background:#f8f9fa;border:1px solid #dee2e6;padding:6px 12px;border-radius:16px;font-size:12px;color:#6c757d}.fd-closed-icon{font-size:14px}.fd-closed-text{font-weight:500}.fd-closed-warning{display:flex;align-items:center;gap:12px;background:#fff3cd;border:1px solid #ffeaa7;border-radius:8px;padding:12px 16px;margin:0 24px 20px}.fd-warning-icon{font-size:20px;flex-shrink:0}.fd-warning-content{flex:1}.fd-warning-title{font-weight:600;color:#856404;margin-bottom:4px}.fd-warning-text{font-size:13px;color:#856404;line-height:1.4}.fd-unpin-btn:hover{background:#dc35451a;color:#dc3545}.fd-chat-area{flex:1;display:flex;flex-direction:column;background:#fff}.fd-chat-header{padding:16px 24px;border-bottom:1px solid #e9ecef;display:flex;align-items:center;background:#fff;box-shadow:0 2px 4px #0000000d;min-height:70px}.fd-header-left{flex-shrink:0}.fd-header-center{flex:1;margin:0 20px;min-width:0}.fd-header-right{flex-shrink:0;display:flex;align-items:center;gap:8px}.fd-chat-title{font-size:1.4rem;font-weight:600;margin:0 0 6px;color:#212529;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fd-chat-meta{font-size:13px;color:#6c757d;line-height:1.4}.fd-original-question{padding:20px 24px;border-bottom:2px solid #e9ecef;background:#f8f9fa}.fd-question-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}.fd-question-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:16px}.fd-question-info{flex:1}.fd-question-author{font-weight:600;color:#212529;margin-bottom:2px}.fd-question-time{font-size:12px;color:#6c757d}.fd-question-content{color:#495057;line-height:1.6;white-space:pre-wrap;font-size:14px}.fd-messages-container{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column;gap:16px}.fd-message-row{display:flex;align-items:flex-start;gap:8px;max-width:100%;justify-content:flex-start}.fd-message-row.fd-own-row{justify-content:flex-end}.fd-edit-spacer{width:24px;height:24px;flex-shrink:0}.fd-edit-btn{background:none;border:none;cursor:pointer;font-size:12px;opacity:0;padding:4px;border-radius:4px;transition:all .2s;color:#6c757d;display:flex;align-items:center;justify-content:center;position:absolute;top:8px;right:8px;width:20px;height:20px;flex-shrink:0}.fd-message:hover .fd-edit-btn{opacity:1}.fd-edit-btn:hover{background:#6c757d1a;color:#495057}.fd-message-actions{display:flex;align-items:center;gap:4px;margin-left:8px;opacity:0;transition:opacity .2s ease;flex-shrink:0}.fd-own-row .fd-message-actions{margin-left:0;margin-right:8px;order:-1}.fd-message-row:hover .fd-message-actions{opacity:1}.fd-edit-after-message{background:none;border:none;cursor:pointer;font-size:16px;color:#6c757d;padding:4px 8px;border-radius:4px;transition:all .2s ease;flex-shrink:0}.fd-edit-after-message:hover{color:#007bff;transform:scale(1.1)}.fd-delete-message-btn{background:none;border:none;cursor:pointer;font-size:16px;color:#dc3545;padding:4px 8px;border-radius:4px;transition:all .2s ease;flex-shrink:0}.fd-delete-message-btn:hover{color:#c82333;transform:scale(1.1);background:#dc35451a}.fd-message{display:flex;flex-direction:column;max-width:calc(100% - 32px);animation:fd-fadeIn .3s ease-in}@keyframes fd-fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.fd-own-message{align-self:flex-end;align-items:flex-end}.fd-other-message{align-self:flex-start;align-items:flex-start}.fd-message-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.fd-message-author{font-weight:600;font-size:13px;color:#495057}.fd-message-time{font-size:11px;color:#6c757d}.fd-edited-indicator{color:#6c757d;font-style:italic}.fd-message-content{background:#f1f3f4;padding:12px 16px;border-radius:18px;color:#212529;line-height:1.4;position:relative;word-wrap:break-word;font-size:14px}.fd-own-message .fd-message-content{background:#007bff;color:#fff}.fd-own-message .fd-message-author{color:#495057}.fd-own-message .fd-message-time{color:#6c757d}.fd-message-edit{width:100%;max-width:400px}.fd-edit-input{width:100%;padding:12px 16px;border:2px solid #007bff;border-radius:18px;resize:vertical;font-family:inherit;font-size:14px;line-height:1.4;outline:none}.fd-edit-actions{display:flex;gap:8px;margin-top:8px;justify-content:flex-end}.fd-edit-save,.fd-edit-cancel{padding:6px 12px;border:none;border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;transition:background-color .2s}.fd-edit-save{background:#007bff;color:#fff}.fd-edit-save:hover:not(:disabled){background:#0056b3}.fd-edit-save:disabled{background:#6c757d;cursor:not-allowed}.fd-edit-cancel{background:#6c757d;color:#fff}.fd-edit-cancel:hover{background:#5a6268}.fd-message-input-container{padding:14px 24px 20px;border-top:1px solid #e9ecef;background:#fff}.fd-closed-message-banner{display:flex;align-items:center;gap:8px;background:#fff3cd;border:1px solid #ffc107;border-radius:8px;padding:10px 14px;margin-bottom:12px;font-size:13px;color:#856404;font-weight:500}.fd-message-input-wrapper{display:flex;gap:12px;align-items:flex-end}.fd-message-input{flex:1;padding:12px 16px;border:2px solid #dee2e6;border-radius:24px;resize:none;font-family:inherit;font-size:14px;line-height:1.4;outline:none;transition:border-color .2s;min-height:20px;max-height:120px}.fd-message-input:focus{border-color:#007bff}.fd-message-input:disabled{background:#f8f9fa;cursor:not-allowed}.fd-send-button{background:#007bff;color:#fff;border:none;padding:12px 20px;border-radius:24px;cursor:pointer;font-weight:500;transition:background-color .2s;white-space:nowrap}.fd-send-button:hover:not(:disabled){background:#0056b3}.fd-send-button:disabled{background:#6c757d;cursor:not-allowed}.fd-editing-header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:#f8f9fa;border-radius:8px;margin-bottom:8px;border:1px solid #dee2e6}.fd-editing-text{font-size:13px;color:#495057;font-weight:500}.fd-edit-actions{display:flex;gap:8px}.fd-cancel-edit-btn,.fd-save-edit-btn{padding:6px 12px;border:none;border-radius:6px;cursor:pointer;font-size:12px;font-weight:500;transition:all .2s}.fd-cancel-edit-btn{background:#6c757d;color:#fff}.fd-cancel-edit-btn:hover{background:#5a6268;transform:translateY(-1px)}.fd-save-edit-btn{background:#28a745;color:#fff}.fd-save-edit-btn:hover:not(:disabled){background:#218838;transform:translateY(-1px)}.fd-save-edit-btn:disabled{background:#6c757d;cursor:not-allowed;transform:none}.fd-mobile-drawer-trigger{display:none;border:1px solid #dee2e6;background:#fff;color:#495057;border-radius:8px;width:36px;height:36px;align-items:center;justify-content:center;cursor:pointer;font-size:18px;line-height:1}.fd-mobile-drawer-trigger:hover{background:#f1f3f4}.fd-mobile-drawer-overlay{display:none}@media(max-width:700px){.fd-wrapper{height:100dvh;min-height:100dvh;position:relative;overflow:hidden}.fd-sidebar{position:fixed;top:0;left:0;bottom:0;width:min(86vw,320px);max-height:none;border-right:1px solid #e9ecef;border-bottom:none;z-index:1201;transform:translate(-102%);transition:transform .28s ease;overflow-x:hidden}.fd-sidebar.fd-mobile-open{transform:translate(0);box-shadow:12px 0 30px #00000029}.fd-sidebar.fd-collapsed{width:min(86vw,320px);max-height:none}.fd-sidebar-header,.fd-sidebar.fd-collapsed .fd-sidebar-header,.fd-sidebar-search{padding:12px 16px}.fd-sidebar-search .fd-search-input{width:100%;box-sizing:border-box}.fd-pinned-section,.fd-all-forums-section{padding:12px 0}.fd-section-header{padding:0 16px 8px;font-size:12px}.fd-forum-item{padding:12px 16px;box-sizing:border-box;word-wrap:break-word}.fd-forum-item:hover{padding-left:20px}.fd-forum-item-content{min-width:0;flex:1}.fd-forum-item-title{word-wrap:break-word;overflow-wrap:break-word}.fd-mobile-drawer-overlay{position:fixed;inset:0;display:block;z-index:1200;border:0;padding:0;margin:0;background:#0f172a6b}.fd-chat-area{height:100dvh;min-width:0}.fd-chat-header{padding:14px 16px;min-height:60px}.fd-header-left{display:flex;align-items:center;gap:8px}.fd-mobile-drawer-trigger{display:inline-flex;flex-shrink:0}.fd-header-center{margin:0 8px;min-width:0}.fd-chat-title{font-size:1.14rem;word-wrap:break-word;overflow-wrap:break-word}.fd-chat-header .fd-back-btn{width:36px;height:36px;padding:0;justify-content:center;font-size:16px;flex-shrink:0}.fd-chat-meta{font-size:12px}.fd-original-question,.fd-messages-container{padding:14px 16px}.fd-message{max-width:92%}.fd-message-input-container{padding:14px 16px}.fd-message-input-wrapper{gap:8px}.fd-message-input{flex:1;min-width:0}.fd-send-button{padding:10px 14px;font-size:13px;flex-shrink:0}}@media(max-width:480px){.fd-message{max-width:95%}.fd-chat-title{font-size:1.1rem}.fd-question-avatar{width:30px;height:30px;font-size:13px}.fd-message-content,.fd-message-input{padding:9px 12px;font-size:13px}.fd-search-input{font-size:13px;padding:8px 10px}.fd-section-header{font-size:11px}.fd-forum-item-title{font-size:13px}.fd-forum-item-meta{font-size:11px}}.fd-forum-list-wrapper{width:100vw;max-width:100vw;min-height:100vh;background:#f8f9fa;padding:16px;overflow-x:hidden;box-sizing:border-box;display:flex;flex-direction:column;align-items:center}.fd-forum-list-header{width:100%;max-width:800px;margin:0 auto 24px;display:flex;align-items:center;gap:12px;box-sizing:border-box}.fd-view-toggle-btn{margin-left:auto;border:1px solid #cbd5e1;background:#fff;color:#334155;border-radius:8px;padding:10px 14px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease}.fd-view-toggle-btn:hover{border-color:#667eea;color:#1e293b;box-shadow:0 2px 8px #667eea1f}.fd-back-btn{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;padding:12px 20px;font-size:16px;font-weight:500;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:6px}.fd-back-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #667eea4d}.fd-forum-list-title{font-size:1.6rem;font-weight:600;color:#212529;margin:0;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.fd-forum-list-search{width:100%;max-width:800px;margin:0 auto 20px;box-sizing:border-box}.fd-search-input{width:100%;max-width:100%;padding:12px 16px;border:1px solid #dee2e6;border-radius:8px;font-size:14px;background:#fff;transition:border-color .2s ease;box-sizing:border-box}.fd-search-input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.fd-forum-list{width:100%;max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;box-sizing:border-box}.fd-forum-list-item{background:#fff;border:1px solid #e9ecef;border-radius:8px;padding:16px;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 3px #0000000a;width:100%;max-width:100%;box-sizing:border-box;overflow-wrap:break-word;word-wrap:break-word}.fd-forum-list-item:hover{border-color:#667eea;box-shadow:0 2px 8px #667eea1a;transform:translateY(-1px)}.fd-forum-list-item.fd-disabled{cursor:not-allowed;opacity:.72;border-style:dashed;border-color:#d1d5db}.fd-forum-list-item.fd-disabled:hover{border-color:#d1d5db;box-shadow:0 1px 3px #0000000a;transform:none}.fd-forum-list-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;gap:8px;width:100%;max-width:100%;box-sizing:border-box}.fd-forum-list-item-title{font-size:1.1rem;font-weight:600;color:#212529;margin:0;line-height:1.3;flex:1;min-width:0;overflow-wrap:break-word;word-wrap:break-word}.fd-forum-list-item-status{padding:3px 8px;border-radius:8px;font-size:10px;font-weight:600;color:#fff;background:#28a745;text-transform:uppercase;letter-spacing:.3px;flex-shrink:0}.fd-forum-list-item-status.fd-status-closed{background:#ffc107;color:#856404}.fd-forum-list-item-status.fd-status-pending{background:#f59e0b;color:#1f2937}.fd-forum-list-item-content{margin-bottom:12px;width:100%;max-width:100%;box-sizing:border-box}.fd-forum-list-item-preview{color:#495057;line-height:1.5;margin:0;font-size:13px;overflow-wrap:break-word;word-wrap:break-word;max-width:100%}.fd-forum-list-item-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;max-width:100%;box-sizing:border-box}.fd-forum-list-item-author,.fd-forum-list-item-date{display:flex;align-items:center;gap:4px;font-size:11px;color:#6c757d}.fd-forum-list-section-title{margin:4px 0 2px;font-size:12px;font-weight:700;color:#475569;letter-spacing:.07em;text-transform:uppercase}.fd-forum-list-empty{border:1px dashed #cbd5e1;border-radius:10px;background:#fff;color:#64748b;font-size:14px;text-align:center;padding:26px 16px}@media(max-width:700px){.fd-forum-list-wrapper{padding:12px;overflow-x:hidden}.fd-forum-list-header{flex-direction:column;align-items:flex-start;gap:10px;width:100%;max-width:100%}.fd-view-toggle-btn{margin-left:0;width:100%;text-align:center}.fd-forum-list-title{font-size:1.4rem}.fd-forum-list-item{padding:14px}.fd-forum-list-item-header{flex-direction:column;align-items:flex-start;gap:6px}.fd-forum-list-item-title{font-size:1rem}.fd-forum-list-item-footer{flex-direction:column;align-items:stretch;gap:6px;text-align:center}.fd-forum-list-item-author,.fd-forum-list-item-date{font-size:10px}}.content-creation-page{height:100vh;width:100vw;max-width:100vw;overflow:hidden;background:linear-gradient(135deg,#667eea,#764ba2);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.cc-search-bar{display:flex;justify-content:center;margin:20px auto 10px;max-width:600px;padding:0 20px;box-sizing:border-box}.cc-search-input{flex:1;padding:12px 20px;border:none;border-radius:25px 0 0 25px;font-size:16px;background:#ffffffe6;color:#333;outline:none;transition:all .3s ease}.cc-search-input:focus{background:#fff;box-shadow:0 0 0 3px #667eea4d}.cc-search-button{padding:12px 20px;border:none;border-radius:0 25px 25px 0;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;cursor:pointer;font-size:16px;transition:all .3s ease;position:relative;overflow:hidden;box-shadow:0 4px 15px #667eea4d}.cc-search-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea66;background:linear-gradient(135deg,#5a67d8,#6b46c1)}.cc-search-button:active{transform:translateY(0);box-shadow:0 2px 10px #667eea4d}.ccx-mobile-toolbar{display:none}.ccx-mobile-toolbar-btn{border:none;border-radius:10px;color:#fff;padding:10px 12px;font-size:12px;font-weight:600;cursor:pointer;white-space:nowrap}.ccx-mobile-toolbar-btn-left{background:linear-gradient(135deg,#4f46e5,#6366f1)}.ccx-mobile-toolbar-btn-right{background:linear-gradient(135deg,#0f766e,#14b8a6)}.ccx-mobile-overlay{display:none}.cc-back-button{position:absolute;top:20px;left:20px;padding:10px 16px;border:none;border-radius:12px;background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px #f5576c4d;z-index:10}.cc-back-button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f5576c66;background:linear-gradient(135deg,#e84393,#e17055)}.cc-back-button:active{transform:translateY(0);box-shadow:0 2px 10px #f5576c4d}.cc-content-layout{display:grid;grid-template-columns:300px 1fr 300px;gap:20px;height:calc(100vh - 100px);padding:20px;box-sizing:border-box}.cc-left-sidebar,.cc-right-sidebar{background:#fffffff2;border-radius:15px;padding:20px;box-shadow:0 10px 30px #0000001a;display:flex;flex-direction:column;height:98%;overflow:hidden}.cc-sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #e2e8f0}.cc-sidebar-header h3{margin:0;color:#2d3748;font-size:18px;font-weight:600}.cc-content-count{background:#667eea;color:#fff;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.cc-sidebar-content{flex:1;overflow-y:auto;padding-right:5px;height:calc(100% - 50px)}.cc-sidebar-content::-webkit-scrollbar{width:6px}.cc-sidebar-content::-webkit-scrollbar-track{background:#f1f5f9;border-radius:3px}.cc-sidebar-content::-webkit-scrollbar-thumb{background:#cbd5e0;border-radius:3px}.cc-sidebar-content::-webkit-scrollbar-thumb:hover{background:#a0aec0}.cc-content-item{background:#fff;border-radius:10px;padding:12px;margin-bottom:10px;cursor:pointer;transition:all .3s ease;border:2px solid transparent;box-shadow:0 2px 8px #0000000d}.cc-content-item:hover{transform:translateY(-2px);box-shadow:0 4px 15px #0000001a}.cc-content-item.selected{border-color:#667eea;background:#f7fafc}.cc-content-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.cc-content-item-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px}.cc-content-title{color:#2d3748;font-size:14px;font-weight:600;line-height:1.3;flex:1;margin:0 0 0 10px}.cc-rating-display{display:flex;align-items:center;gap:6px;font-size:12px}.cc-stars{display:flex;gap:1px}.cc-star-empty{color:#e2e8f0}.cc-rating-text{color:#718096;font-size:11px}.cc-content-type{background:#e6fffa;color:#065f46;padding:2px 8px;border-radius:8px;font-size:10px;font-weight:500;white-space:nowrap}.cc-content-preview{color:#718096;font-size:12px;line-height:1.4;margin-bottom:8px}.cc-content-blocks-preview{display:flex;flex-direction:column;gap:4px}.cc-block-preview-item{padding:2px 6px;background:#f7fafc;border-radius:4px;font-size:11px;color:#4a5568;border:1px solid #e2e8f0}.cc-more-blocks{padding:2px 6px;background:#edf2f7;border-radius:4px;font-size:10px;color:#718096;font-style:italic}.cc-content-meta{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#a0aec0}.cc-content-author{font-weight:500}.cc-content-date{font-style:italic}.cc-center-content{background:#fffffff2;border-radius:15px;padding:30px;box-shadow:0 10px 30px #0000001a;height:95%;overflow-y:auto}.cc-welcome-message{text-align:center;padding:60px 20px;color:#4a5568}.cc-welcome-icon{font-size:64px;margin-bottom:20px}.cc-welcome-message h2{margin:0 0 15px;color:#2d3748;font-size:28px;font-weight:600}.cc-welcome-message p{margin:0;font-size:16px;color:#718096}.cc-content-detail{max-width:none}.cc-content-detail-header{margin-bottom:25px;padding-bottom:20px;border-bottom:2px solid #e2e8f0;display:flex;justify-content:space-between;align-items:flex-start}.cc-content-detail-header h2{margin:0 0 15px;color:#2d3748;font-size:24px;font-weight:600}.cc-content-detail-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:14px;color:#718096}.cc-content-detail-meta span{display:flex;align-items:center}.cc-content-detail-meta .author:before{content:"👤 ";margin-left:5px}.cc-content-detail-meta .date:before{content:"📅 ";margin-left:5px}.cc-content-detail-meta .type:before{content:"🏷️ ";margin-left:5px}.cc-content-title-section{flex:1}.cc-content-title-section h2{margin:0 0 8px}.cc-content-edited-badge{background:#edf2f7;color:#4a5568;padding:4px 8px;border-radius:12px;font-size:12px;font-weight:500;white-space:nowrap}.cc-content-header-right{display:flex;flex-direction:column;align-items:flex-end;gap:10px}.cc-content-actions{display:flex;gap:8px}.cc-edit-btn,.cc-delete-btn{padding:8px 16px;border:none;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;transition:all .3s ease;display:flex;align-items:center;gap:6px;box-shadow:0 2px 4px #0000001a}.cc-edit-btn{background:linear-gradient(135deg,#3182ce,#2c5282);color:#fff}.cc-edit-btn:hover{background:linear-gradient(135deg,#2c5282,#1a365d);transform:translateY(-2px);box-shadow:0 4px 8px #3182ce4d}.cc-delete-btn{background:linear-gradient(135deg,#e53e3e,#c53030);color:#fff}.cc-delete-btn:hover{background:linear-gradient(135deg,#c53030,#9b2c2c);transform:translateY(-2px);box-shadow:0 4px 8px #e53e3e4d}.cc-content-detail-body{line-height:1.8;color:#2d3748;font-size:16px}.cc-content-detail-body p{margin:0;text-align:justify}.cc-content-blocks-display{display:flex;flex-direction:column;gap:20px}.cc-display-block{padding:16px;border-radius:8px;background:#fafbfc;border:1px solid #e2e8f0}.cc-text-block p{margin:0;line-height:1.6;color:#2d3748;text-align:justify}.cc-markdown-content{line-height:1.6;color:#2d3748}.cc-markdown-content h1,.cc-markdown-content h2,.cc-markdown-content h3{margin:.8em 0 .4em;color:#2d3748}.cc-markdown-content h1{font-size:1.5em}.cc-markdown-content h2{font-size:1.3em}.cc-markdown-content h3{font-size:1.1em}.cc-markdown-content p{margin:.4em 0}.cc-markdown-content code{background:#f1f5f9;padding:2px 6px;border-radius:4px;font-size:.9em}.cc-markdown-content pre{margin:.5em 0;padding:12px;background:#f8fafc;border-radius:6px;overflow-x:auto}.cc-markdown-content a{color:#667eea;text-decoration:none}.cc-markdown-content a:hover{text-decoration:underline}.cc-markdown-content .katex{font-size:1.1em}.cc-markdown-content .katex-display{margin:1em 0;overflow-x:auto;overflow-y:hidden}.cc-media-block{text-align:center}.cc-document-block{display:flex;align-items:center;justify-content:space-between;padding:12px;background:#fff;border-radius:6px;border:1px solid #e2e8f0}.cc-document-info{display:flex;align-items:center;gap:10px}.cc-document-icon{font-size:24px}.cc-document-name{font-weight:500;color:#2d3748;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cc-download-btn{padding:8px 16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-decoration:none;border-radius:6px;font-size:14px;font-weight:500;transition:all .3s ease}.cc-download-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #667eea4d}.cc-rating-section{background:#f8fafc;padding:20px;border-radius:10px;margin:20px 0;border:1px solid #e2e8f0}.cc-rating-display-large{display:flex;align-items:center;gap:15px;margin-bottom:15px}.cc-stars-large{display:flex;gap:2px;font-size:24px}.cc-stars-large .cc-star-filled{color:#fbbf24}.cc-stars-large .cc-star-empty{color:#e2e8f0}.cc-rating-info{display:flex;flex-direction:column}.cc-rating-score{font-size:28px;font-weight:700;color:#2d3748;line-height:1}.cc-rating-count{font-size:14px;color:#718096;margin-top:2px}.cc-rating-input{display:flex;align-items:center;gap:15px;padding-top:15px;border-top:1px solid #e2e8f0}.cc-rating-input span{font-weight:600;color:#2d3748}.cc-rating-stars{display:flex;gap:5px}.cc-rating-star-btn{background:none;border:none;font-size:24px;color:#e2e8f0;cursor:pointer;transition:color .3s ease;padding:0}.cc-star-filled{color:#fbbf24}.cc-star-hover{color:#fbbf24!important}.cc-author-notice,.cc-max-ratings-notice{padding:12px 16px;background:#edf2f7;border-radius:6px;text-align:center;margin-top:10px}.cc-author-notice span,.cc-max-ratings-notice span{color:#4a5568;font-size:14px;font-style:italic}.cc-comments-section{margin-top:30px;padding-top:25px;border-top:2px solid #e2e8f0}.cc-comments-section h3{margin:0 0 20px;color:#2d3748;font-size:20px;font-weight:600}.cc-add-comment{background:#f8fafc;padding:20px;border-radius:10px;margin-bottom:20px;border:1px solid #e2e8f0}.cc-add-comment textarea{width:95%;padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-family:inherit;font-size:14px;line-height:1.5;resize:vertical;margin-bottom:10px}.cc-add-comment textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.cc-comment-actions{display:flex;justify-content:space-between;align-items:center}.cc-char-count{font-size:12px;color:#718096}.cc-comment-submit-btn{padding:8px 16px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600;transition:all .3s ease}.cc-comment-submit-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #667eea4d}.cc-comment-submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.cc-comments-list{max-height:400px;overflow-y:auto}.cc-comment{background:#fff;padding:16px;border-radius:8px;margin-bottom:12px;border:1px solid #e2e8f0;box-shadow:0 1px 3px #0000000d}.cc-comment:last-child{margin-bottom:0}.cc-comment-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.cc-comment-header-left{display:flex;align-items:center;gap:6px}.cc-comment-header-right{display:flex;align-items:center;gap:8px}.cc-comment-author{font-weight:600;color:#2d3748}.cc-comment-author-you{color:#3182ce}.cc-comment-date{font-size:12px;color:#718096}.cc-comment-delete-btn{background:none;border:none;color:#e53e3e;cursor:pointer;font-size:16px;padding:0;opacity:.7;transition:opacity .3s ease}.cc-comment-delete-btn:hover{opacity:1}.cc-comment-content{color:#4a5568;line-height:1.5;white-space:pre-wrap}.cc-no-comments{text-align:center;padding:40px 20px;color:#718096;font-style:italic}.cc-empty-state{text-align:center;padding:40px 20px;color:#a0aec0}.cc-empty-icon{font-size:48px;margin-bottom:15px}.cc-empty-text{font-size:16px;font-weight:500;margin-bottom:5px}.cc-empty-subtext{font-size:14px;color:#cbd5e0}.cc-loading{text-align:center;padding:40px 20px;color:#a0aec0;font-size:16px}.cc-create-content-button{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;padding:12px 20px;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:15px;width:100%}.cc-create-content-button:hover{transform:translateY(-2px);box-shadow:0 4px 15px #667eea4d}.cc-modal-overlay{position:fixed;inset:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.cc-modal-content{background:#fff;border-radius:15px;width:90%;max-width:800px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 40px #0000004d}.cc-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 30px;border-bottom:2px solid #e2e8f0;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:15px 15px 0 0}.cc-modal-header h2{margin:0;font-size:24px;font-weight:600}.cc-modal-close{background:none;border:none;font-size:24px;color:#fff;cursor:pointer;padding:5px;border-radius:50%;transition:background .3s ease}.cc-modal-close:hover{background:#fff3}.cc-content-form{padding:30px}.cc-form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:5px}.cc-form-group{margin-bottom:20px}.cc-form-group label{display:block;margin-bottom:8px;font-weight:600;color:#2d3748}.cc-char-count{font-size:12px;font-weight:400;color:#718096;margin-left:8px}.cc-form-group input,.cc-form-group select,.cc-form-group textarea{width:100%;padding:12px 16px;border:2px solid #e2e8f0;border-radius:8px;font-size:14px;transition:border-color .3s ease;box-sizing:border-box}.cc-form-group input:focus,.cc-form-group select:focus,.cc-form-group textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.cc-form-group textarea{resize:vertical;min-height:100px}.cc-block-builder{margin:5px 0;border:2px dashed #e2e8f0;border-radius:12px;padding:5px;background:#fafbfc}.cc-block-controls{margin-bottom:20px}.cc-block-controls h3{margin:0 0 15px;color:#2d3748;font-size:18px;font-weight:600}.cc-block-buttons{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.cc-add-block-btn{padding:10px 16px;border:2px solid #667eea;background:#fff;color:#667eea;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;display:flex;align-items:center;gap:6px}.cc-add-block-btn:hover:not(:disabled){background:#667eea;color:#fff;transform:translateY(-1px)}.cc-add-block-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.cc-blocks-container{min-height:200px}.cc-empty-blocks{text-align:center;padding:40px 20px;color:#718096}.cc-empty-blocks .cc-empty-icon{font-size:48px;margin-bottom:15px}.cc-empty-blocks p{margin:0 0 8px;font-size:16px;font-weight:500}.cc-empty-blocks small{color:#a0aec0;font-size:14px}.cc-content-block{background:#fff;border:2px solid #e2e8f0;border-radius:10px;margin-bottom:15px;overflow:hidden;transition:all .3s ease}.cc-content-block:hover{border-color:#667eea;box-shadow:0 2px 8px #667eea1a}.cc-block-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f7fafc;border-bottom:1px solid #e2e8f0}.cc-block-type{font-weight:600;color:#2d3748;display:flex;align-items:center;gap:6px}.cc-block-actions{display:flex;gap:5px}.cc-block-move-btn,.cc-block-remove-btn{padding:4px 8px;border:none;border-radius:4px;cursor:pointer;font-size:12px;transition:all .3s ease}.cc-block-move-btn{background:#edf2f7;color:#4a5568}.cc-block-move-btn:hover{background:#e2e8f0}.cc-block-remove-btn{background:#fed7d7;color:#e53e3e}.cc-block-remove-btn:hover{background:#feb2b2}.cc-block-content{padding:16px}.cc-block-content textarea{width:100%;min-height:80px;padding:12px;border:1px solid #e2e8f0;border-radius:6px;font-family:inherit;font-size:14px;line-height:1.5;resize:vertical}.cc-block-content textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 2px #667eea1a}.cc-file-upload{display:flex;flex-direction:column;gap:10px}.cc-file-upload input[type=file]{padding:8px;border:2px dashed #cbd5e0;border-radius:6px;background:#f7fafc;cursor:pointer;transition:all .3s ease}.cc-file-upload input[type=file]:hover{border-color:#667eea;background:#edf2f7}.cc-file-placeholder{padding:20px;text-align:center;color:#718096;font-style:italic;border:2px dashed #e2e8f0;border-radius:6px;background:#fafbfc}.cc-file-preview{display:flex;align-items:center;padding:12px;background:#f0f4f8;border-radius:6px;border:1px solid #e2e8f0}.cc-file-name{flex:1;font-size:14px;color:#2d3748;margin-right:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cc-file-preview button{background:none;border:none;color:#e53e3e;cursor:pointer;font-size:16px;padding:0}.cc-modal-actions{display:flex;justify-content:flex-end;gap:15px;margin-top:30px;padding-top:20px;border-top:2px solid #e2e8f0}.cc-cancel-btn{padding:12px 24px;border:2px solid #e2e8f0;background:#fff;color:#4a5568;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease}.cc-cancel-btn:hover{background:#f7fafc;border-color:#cbd5e0}.cc-submit-btn{padding:12px 24px;border:none;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease}.cc-submit-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 15px #667eea4d}.cc-submit-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.cc-modal-header h2{margin:0;color:#2d3748}.cc-modal-header:has(h2:contains("Edit")){background:linear-gradient(135deg,#38a169,#2f855a);color:#fff}.cc-modal-header:has(h2:contains("Edit")) .cc-modal-close{color:#fff}.cc-modal-header:has(h2:contains("Edit")) .cc-modal-close:hover{background:#fff3}@media(max-width:700px){.cc-modal-content{width:95%;margin:10px}.cc-modal-header{padding:15px 20px}.cc-modal-header h2{font-size:20px}.cc-content-form{padding:20px}.cc-block-buttons{flex-direction:column}.cc-add-block-btn{width:100%;justify-content:center}.cc-block-header{padding:10px 12px}.cc-block-content{padding:12px}.cc-modal-actions{flex-direction:column}.cc-cancel-btn,.cc-submit-btn{width:100%}}@media(max-width:1200px){.cc-content-layout{grid-template-columns:250px 1fr 250px;gap:15px}}@media(max-width:700px){.content-creation-page{height:100dvh;overflow:hidden}.cc-back-button{top:12px;left:12px;padding:8px 12px;font-size:12px;border-radius:10px}.cc-search-bar{margin:62px auto 10px;padding:0 12px}.cc-search-input,.cc-search-button{font-size:14px;padding-top:10px;padding-bottom:10px}.ccx-mobile-toolbar{display:flex;gap:10px;padding:0 12px 10px}.ccx-mobile-toolbar-btn{flex:1}.cc-content-layout{grid-template-columns:1fr;height:calc(100dvh - 150px);gap:10px;padding:10px}.cc-left-sidebar,.cc-right-sidebar{display:flex;position:fixed;top:0;bottom:0;width:min(86vw,340px);height:auto;border-radius:0;z-index:850;margin:0;padding:16px 12px;transform:translate(-102%);transition:transform .28s ease}.cc-left-sidebar{left:0;right:auto}.cc-right-sidebar{left:auto;right:0;transform:translate(102%)}.cc-left-sidebar.ccx-mobile-open-left{transform:translate(0);box-shadow:12px 0 30px #0003}.cc-right-sidebar.ccx-mobile-open-right{transform:translate(0);box-shadow:-12px 0 30px #0003}.ccx-mobile-overlay{position:fixed;inset:0;display:block;z-index:840;border:0;padding:0;margin:0;background:#0f172a6b}.cc-center-content{padding:16px;height:95%;min-width:0}.cc-content-detail-header{flex-direction:column;gap:10px}.cc-content-header-right{width:100%;align-items:flex-start}.cc-content-actions{flex-wrap:wrap}.cc-rating-display-large,.cc-rating-input,.cc-comment-actions{flex-direction:column;align-items:flex-start;gap:10px}.cc-add-comment textarea{width:100%;box-sizing:border-box}}.cc-text-block-editor{display:flex;flex-direction:column;width:100%;border:1px solid #e2e8f0;border-radius:8px;overflow:hidden;background:#fff}.cc-text-editor-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:2px;padding:6px 8px;background:#f8fafc;border-bottom:1px solid #e2e8f0}.cc-text-editor-toolbar button{display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:28px;padding:0 8px;border:none;border-radius:4px;background:transparent;color:#4a5568;font-size:13px;cursor:pointer;transition:background .15s,color .15s}.cc-text-editor-toolbar button:hover{background:#e2e8f0;color:#2d3748}.cc-text-editor-toolbar button:active{background:#cbd5e0}.cc-toolbar-separator{width:1px;height:20px;background:#e2e8f0;margin:0 4px}.cc-text-editor-textarea{width:100%;min-height:80px;padding:12px 16px;border:none;font-family:inherit;font-size:14px;line-height:1.6;resize:vertical;outline:none}.cc-text-editor-textarea:focus{outline:none}.tc2-page{width:100vw;min-height:100vh;box-sizing:border-box;padding:18px;background:#f3f8fc;color:#0f2940;font-family:Poppins,Arial,sans-serif;font-size:13px}.tc2-shell{width:min(1480px,100%);margin:0 auto;display:grid;gap:14px}.tc2-topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px;border:1px solid #d2e4f2;border-radius:12px;background:#fff}.tc2-topbar-left,.tc2-topbar-right{display:flex;align-items:center;gap:8px}.tc2-home-btn,.tc2-sidebar-toggle,.tc2-create-btn,.tc2-submit-btn,.tc2-close-btn,.tc2-add-component-btn,.tc2-secondary-btn,.tc2-edit-btn,.tc2-inline-danger,.tc2-danger-btn,.tc2-remove-component-btn{border:0;border-radius:10px;padding:8px 11px;font:inherit;font-size:12px;font-weight:600;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-position .26s ease,filter .18s ease;background-size:180% 180%}.tc2-home-btn,.tc2-sidebar-toggle,.tc2-close-btn,.tc2-edit-btn,.tc2-secondary-btn{background-image:linear-gradient(135deg,#eef6ff,#dfeeff 52%,#eef7ff);color:#123a58;border:1px solid #c9def0}.tc2-create-btn,.tc2-add-component-btn,.tc2-submit-btn{background-image:linear-gradient(135deg,#0ea5e9,#0f75bd 45%,#2563eb);color:#fff;box-shadow:0 6px 12px #0e74bd3d}.tc2-danger-btn,.tc2-remove-component-btn,.tc2-inline-danger{background-image:linear-gradient(135deg,#ef4444,#d33838 45%,#b91c1c);color:#fff;box-shadow:0 6px 12px #b91c1c38}.tc2-home-btn:hover,.tc2-sidebar-toggle:hover,.tc2-create-btn:hover,.tc2-submit-btn:hover,.tc2-close-btn:hover,.tc2-add-component-btn:hover,.tc2-secondary-btn:hover,.tc2-edit-btn:hover,.tc2-inline-danger:hover,.tc2-danger-btn:hover,.tc2-remove-component-btn:hover{transform:translateY(-1px);background-position:right center;filter:brightness(1.02)}.tc2-secondary-btn:disabled,.tc2-submit-btn:disabled,.tc2-danger-btn:disabled,.tc2-remove-component-btn:disabled{opacity:.65;cursor:not-allowed;transform:none;filter:none}.tc2-teacher-badge{border:1px solid #d2e4f2;border-radius:10px;padding:8px 10px;background:#f8fbff;display:grid;gap:2px}.tc2-teacher-badge strong{font-size:12px}.tc2-teacher-badge span{font-size:11px;color:#3d607e}.tc2-alert{border-radius:10px;padding:10px 12px;border:1px solid}.tc2-alert-float-stack{position:fixed;top:14px;left:50%;transform:translate(-50%);width:min(620px,calc(100vw - 24px));display:grid;gap:8px;z-index:2400;pointer-events:none}.tc2-alert-floating{margin:0;width:100%;text-align:left;font:inherit;box-shadow:0 10px 24px #0f172a2e;cursor:pointer;pointer-events:auto;animation:tc2-alert-enter .2s ease-out,tc2-alert-exit .45s ease-in 3.75s forwards}.tc2-alert-error{background:#fff0f0;border-color:#f1b4b4;color:#8b2222}.tc2-alert-success{background:#eefcf4;border-color:#9bdcb6;color:#145b36}@keyframes tc2-alert-enter{0%{opacity:0;transform:translateY(-10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes tc2-alert-exit{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-8px) scale(.99)}}.tc2-layout{display:grid;grid-template-columns:minmax(320px,400px) minmax(0,1fr);gap:14px}.tc2-hidden{display:none}.tc2-left-col,.tc2-main-col{display:grid;gap:12px;align-content:start}.tc2-left-col.tc2-hidden{display:none}.tc2-card{border:1px solid #d2e4f2;border-radius:12px;background:#fff;padding:14px}.tc2-card h2,.tc2-card h3,.tc2-card h4,.tc2-card p{margin:0}.tc2-sidebar-block{display:grid;gap:10px}.tc2-stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.tc2-stats-grid div{border:1px solid #dceaf6;border-radius:10px;padding:8px;background:#f8fcff}.tc2-stats-grid span{display:block;font-size:10px;color:#3d607e}.tc2-stats-grid strong{font-size:16px}.tc2-input,.tc2-textarea,.tc2-select{width:100%;box-sizing:border-box;border:1px solid #cddfee;border-radius:10px;padding:10px;background:#fff;color:#0f2940;font:inherit}.tc2-input:focus,.tc2-textarea:focus,.tc2-select:focus{outline:none;border-color:#0f75bd}.tc2-course-list-wrap{max-height:62vh;overflow:hidden}.tc2-course-list{display:grid;gap:8px;max-height:calc(62vh - 40px);overflow-y:auto;padding-right:4px}.tc2-course-item{border:1px solid #d6e6f3;border-radius:10px;background:#f8fcff;padding:10px;text-align:left;display:grid;gap:5px;cursor:pointer}.tc2-course-item p{color:#3d607e;font-size:12px}.tc2-course-item span{color:#325978;font-size:11px}.tc2-course-item.active{border-color:#2f88c6;background:#eef7ff}.tc2-main-course{display:grid;gap:12px}.tc2-main-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.tc2-main-head h2{margin-bottom:6px;font-size:21px}.tc2-main-head p{color:#3d607e;line-height:1.5}.tc2-main-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}.tc2-course-head-actions{display:flex;align-items:center;gap:8px}.tc2-course-edit-btn{background-image:linear-gradient(135deg,#06b6d4,#0e8aa8 46%,#0284c7);color:#fff;border:0;box-shadow:0 6px 12px #087ea140}.tc2-course-delete-btn{background-image:linear-gradient(135deg,#fb923c,#f97316 46%,#ea580c);color:#fff;border:0;box-shadow:0 6px 12px #d977063d}.tc2-code-box{border:1px solid #cfe1ef;border-radius:10px;padding:9px;min-width:140px;background:#f8fcff;display:grid;gap:2px}.tc2-code-box span{font-size:11px;color:#3d607e}.tc2-code-box strong{font-size:21px}.tc2-info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.tc2-info-card{border:1px solid #e6def5;border-radius:12px;padding:9px;background:linear-gradient(145deg,#fdfbff,#f4eeff);display:grid;gap:3px;box-shadow:0 3px 10px #4e307d0d,inset 0 1px #ffffffb8}.tc2-info-card:nth-child(2){background:linear-gradient(145deg,#fefbff,#f1e9ff);border-color:#e3d8f7}.tc2-info-card:nth-child(3){background:linear-gradient(145deg,#fcfaff,#eee8ff);border-color:#dfd8f6}.tc2-info-card span{font-size:11px;color:#3d607e}.tc2-info-card-clickable{width:100%;text-align:left;font:inherit;color:inherit;cursor:pointer;appearance:none;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.tc2-info-card-clickable:hover{transform:translateY(-1px);border-color:#d8c9f2;box-shadow:0 8px 16px #5c3d8c14}.tc2-workspace{border:1px solid #dceaf6;border-radius:12px;background:#fbfdff;padding:12px;display:grid;gap:10px}.tc2-workspace-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.tc2-workspace-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.tc2-workspace-head p{color:#3d607e;line-height:1.5}.tc2-component-list,.tc2-sections-wrap{display:grid;gap:10px}.tc2-section-card{border:1px solid #cfe1ef;border-radius:12px;background:#fff;overflow:hidden}.tc2-section-card+.tc2-section-card{margin-top:2px;border-top:1px solid #bfd8eb}.tc2-section-head{border-bottom:1px solid transparent;background:linear-gradient(135deg,#f7fbff,#eef6fd);padding:10px;display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.tc2-section-toggle{flex:1;min-width:0;border:0;background:transparent;padding:0;display:flex;justify-content:space-between;align-items:center;text-align:left;cursor:pointer;color:inherit;font:inherit}.tc2-section-head.is-open{border-bottom-color:#dbeaf6}.tc2-section-head-text{display:grid;gap:2px}.tc2-section-head-text h4{font-size:13px}.tc2-section-head-text span{font-size:11px;color:#3f6683}.tc2-section-arrow{width:26px;height:26px;border-radius:999px;border:1px solid #cfe1ef;display:inline-flex;align-items:center;justify-content:center;font-size:15px;color:#1e5275;background:#fff}.tc2-inline-add-component{padding:7px 10px;white-space:nowrap;background-image:linear-gradient(135deg,#0ea5e9,#0f75bd 45%,#2563eb);color:#fff;border:0;box-shadow:0 6px 12px #0e74bd38}.tc2-inline-add-component:hover{filter:brightness(1.03)}.tc2-section-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.tc2-inline-move-btn{min-width:46px}.tc2-section-permission-note{margin:0;padding:6px 10px 0;font-size:11px;color:#56758d}.tc2-section-body{display:grid;gap:8px;padding:10px;background:#fbfdff}.tc2-empty-section{border:1px dashed #c9dff0;border-radius:10px;background:#fff;padding:10px;display:flex;justify-content:space-between;align-items:center;gap:10px}.tc2-empty-section p{font-size:11px;color:#3d607e}.tc2-component-card{border:1px solid #d4e4f1;border-radius:10px;background:#fff;padding:10px;display:grid;gap:10px}.tc2-component-meta{display:flex;justify-content:space-between;align-items:center;gap:8px}.tc2-type-pill{border-radius:999px;padding:4px 9px;font-size:10px;font-weight:700;text-transform:uppercase;color:#fff;background:#3f7eb1}.tc2-type-assignment,.tc2-type-exam{background:#b45042}.tc2-type-quiz{background:#5f6eba}.tc2-type-video,.tc2-type-pdf{background:#2f8d71}.tc2-component-order{font-size:11px;color:#3d607e}.tc2-component-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;font-size:11px;color:#325978}.tc2-resource-link{color:#0f75bd;text-decoration:underline}.tc2-link-btn{border:0;background:transparent;padding:0;cursor:pointer;font:inherit;text-align:left}.tc2-deadline-label.is-closed{color:#b91c1c;font-weight:700}.tc2-component-actions{display:flex;gap:8px;justify-content:flex-end}.tc2-file-input{padding:8px}.tc2-file-hint{color:#3d607e;font-size:11px}.tc2-existing-file-row{margin-top:8px;display:grid;gap:6px;font-size:11px;color:#325978}.tc2-selected-files-list{margin-top:8px;display:grid;gap:4px;font-size:11px;color:#325978}.tc2-file-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.tc2-file-row span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.tc2-file-row.is-removed .tc2-link-btn{color:#64748b;text-decoration:line-through}.tc2-file-remove-chip,.tc2-file-undo-chip{border:0;border-radius:999px;padding:3px 8px;font-size:10px;font-weight:700;cursor:pointer;flex-shrink:0}.tc2-file-remove-chip{color:#fff;background:#dc2626}.tc2-file-undo-chip{color:#0f3b5f;background:#e2e8f0}.tc2-checkline{display:flex;align-items:center;gap:6px}.tc2-toggle-card{border:1px solid #cde5f5;border-radius:12px;background:linear-gradient(145deg,#f6fbff,#eef7ff);padding:10px 12px;display:flex;justify-content:space-between;align-items:center;gap:12px}.tc2-toggle-copy{display:grid;gap:4px}.tc2-toggle-copy strong{font-size:12px;color:#123756}.tc2-toggle-copy span{font-size:11px;color:#476b86}.tc2-switch{position:relative;width:48px;height:28px;flex-shrink:0}.tc2-switch input{opacity:0;width:0;height:0}.tc2-switch-slider{position:absolute;inset:0;border-radius:999px;background:#bfd4e7;transition:background .2s ease}.tc2-switch-slider:before{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 6px #0f29403d;transition:transform .2s ease}.tc2-switch input:checked+.tc2-switch-slider{background:#0f75bd}.tc2-switch input:checked+.tc2-switch-slider:before{transform:translate(20px)}.tc2-empty-state{min-height:50vh;display:grid;place-content:center;text-align:center;gap:8px}.tc2-muted,.tc2-locked p{color:#3d607e}.tc2-modal-overlay{position:fixed;inset:0;background:#09162373;display:grid;place-items:center;z-index:1000;padding:16px}.tc2-modal{width:min(720px,96vw);border-radius:12px;border:1px solid #cfdfee;background:#fff;padding:14px;box-sizing:border-box}.tc2-composer-modal{width:min(980px,98vw);max-height:88vh;overflow-y:auto}.tc2-section-modal{width:min(520px,96vw)}.tc2-themed-modal{border:1px solid #e2d7f6;background:linear-gradient(165deg,#fffdff,#f6efff 62%,#f2e9ff);box-shadow:0 20px 36px #4224692e}.tc2-themed-modal .tc2-input,.tc2-themed-modal .tc2-textarea,.tc2-themed-modal .tc2-select{background:#fff;border-color:#dccdf5}.tc2-password-modal{width:min(540px,96vw)}.tc2-members-modal{width:min(700px,96vw)}.tc2-submissions-modal{width:min(760px,96vw)}.tc2-members-list{display:grid;gap:8px}.tc2-member-row{border:1px solid #ddd0f3;border-radius:12px;background:linear-gradient(145deg,#fefcff,#f2eaff);padding:10px;display:flex;justify-content:space-between;align-items:center;gap:10px}.tc2-member-main{display:flex;align-items:center;gap:8px}.tc2-member-avatar{flex-shrink:0;box-shadow:0 4px 10px #673d9c29}.tc2-member-meta{display:grid;gap:2px}.tc2-member-title{display:flex;align-items:center;gap:8px}.tc2-teacher-check{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;margin-left:6px;border-radius:999px;background:#2563eb;border:1px solid #1d4ed8;line-height:0;flex-shrink:0}.tc2-teacher-check:before{content:"";width:4px;height:7px;border:solid #ffffff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-1px}.tc2-member-score{font-size:11px;color:#6a5a84}.tc2-member-owner-pill{border-radius:999px;border:1px solid #d3bee8;background:#f8f1ff;color:#6b3f90;padding:3px 8px;font-size:10px;font-weight:700}.tc2-member-actions{display:flex;gap:8px}.tc2-submissions-list{display:grid;gap:8px;max-height:60vh;overflow-y:auto}.tc2-submission-row{border:1px solid #d4e4f1;border-radius:10px;background:#f8fcff;padding:10px;display:grid;gap:6px}.tc2-submission-row-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.tc2-submission-row p{margin:0;white-space:pre-wrap;color:#1f3b55}.tc2-submission-files{display:grid;gap:4px}.tc2-submission-grade-box,.tc2-appeal-box{border:1px solid #d5e8f7;border-radius:10px;background:#fff;padding:8px;display:grid;gap:8px}.tc2-submission-grade-box label,.tc2-appeal-box label{display:grid;gap:6px;font-size:12px;font-weight:600;color:#254764}.tc2-submission-actions{display:flex;justify-content:flex-end}.tc2-modal-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.tc2-modal-form,.tc2-composer-form{display:grid;gap:10px}.tc2-modal-form label,.tc2-composer-form label{display:grid;gap:6px;font-weight:600;font-size:12px}.tc2-composer-block{border:1px solid #dceaf6;border-radius:10px;background:#f8fcff;padding:10px;display:grid;gap:10px}.tc2-composer-block-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.tc2-component-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.tc2-field-wide{grid-column:1 / -1}.tc2-composer-actions{display:flex;justify-content:space-between;align-items:center;gap:10px}@media(max-width:1200px){.tc2-layout{grid-template-columns:1fr}.tc2-course-list-wrap,.tc2-course-list{max-height:40vh}}@media(max-width:900px){.tc2-topbar,.tc2-topbar-right,.tc2-main-head,.tc2-workspace-head,.tc2-composer-actions{flex-direction:column;align-items:stretch}.tc2-stats-grid,.tc2-info-grid,.tc2-component-form-grid{grid-template-columns:1fr}.tc2-main-actions,.tc2-course-head-actions{width:100%;justify-content:stretch}.tc2-course-head-actions button{flex:1}.tc2-workspace-actions{width:100%;justify-content:stretch}.tc2-workspace-actions .tc2-add-section-btn{flex:1}.tc2-section-head{flex-direction:column;align-items:stretch}.tc2-section-actions{justify-content:flex-start}.tc2-empty-section,.tc2-member-row{flex-direction:column;align-items:stretch}.tc2-member-actions{width:100%}.tc2-member-actions button{flex:1}.tc2-field-wide{grid-column:auto}}@media(max-width:700px){.tc2-page{padding:12px}.tc2-topbar-left,.tc2-topbar-right,.tc2-home-btn,.tc2-sidebar-toggle,.tc2-create-btn{width:100%}.tc2-code-box strong{font-size:20px}.tc2-section-actions button{flex:1}}.tsc4courses-shell{min-height:100vh;width:100vw;max-width:100vw;box-sizing:border-box;font-family:Nunito,Poppins,Arial,sans-serif;background:radial-gradient(circle at 8% 8%,rgba(191,219,254,.9),transparent 38%),radial-gradient(circle at 92% 15%,rgba(187,247,208,.65),transparent 35%),radial-gradient(circle at 75% 90%,rgba(224,242,254,.85),transparent 42%),linear-gradient(150deg,#f8fbff,#eef8ff 48%,#f7fffa)}.tsc4courses-frame{width:100vw;max-width:100vw;min-height:100vh;margin:0 auto;background:#ffffffb8;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);overflow:hidden;position:relative;display:grid;grid-template-columns:340px minmax(0,1fr);grid-template-rows:auto auto 1fr}.tsc4courses-frame:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 14% 24%,rgba(125,211,252,.2),transparent 30%),radial-gradient(circle at 86% 70%,rgba(110,231,183,.2),transparent 28%)}.tsc4courses-topbar{position:relative;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding:20px 28px;border-bottom:1px solid rgba(56,189,248,.22);background:linear-gradient(120deg,#e0f2fe,#dcfce7 38%,#f0f9ff 72%,#ecfeff);box-shadow:inset 0 -1px #7dd3fc73;overflow:hidden;grid-column:1 / -1}.tsc4courses-topbar:before,.tsc4courses-topbar:after{content:"";position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}.tsc4courses-topbar:before{width:240px;height:240px;top:-130px;right:-40px;background:radial-gradient(circle,#38bdf857,#38bdf800);animation:tsc4coursesGlowFloatA 7s ease-in-out infinite}.tsc4courses-topbar:after{width:220px;height:220px;bottom:-150px;left:22%;background:radial-gradient(circle,#34d39942,#34d39900);animation:tsc4coursesGlowFloatB 8s ease-in-out infinite}.tsc4courses-topbar-left,.tsc4courses-topbar-center,.tsc4courses-topbar-actions{position:relative;z-index:1}.tsc4courses-topbar-left{display:flex;align-items:center;justify-content:flex-start;animation:tsc4coursesSlideIn .55s ease both}.tsc4courses-topbar-center{display:flex;justify-content:center}.tsc4courses-signboard{position:relative;min-width:clamp(220px,30vw,360px);padding:10px 28px 12px;border-radius:18px;border:1px solid rgba(56,189,248,.45);background:linear-gradient(135deg,#fffffff2,#e0f2fef2),linear-gradient(180deg,rgba(255,255,255,.3),transparent);box-shadow:0 14px 28px #0ea5e933,inset 0 1px #fffc;text-align:center;animation:tsc4coursesSignboardFloat 5.5s ease-in-out infinite}.tsc4courses-signboard:before,.tsc4courses-signboard:after{content:"";position:absolute;top:-14px;width:2px;height:14px;background:linear-gradient(180deg,#0284c71a,#0284c7a6)}.tsc4courses-signboard:before{left:22%}.tsc4courses-signboard:after{right:22%}.tsc4courses-kicker{margin:0 0 4px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#0e7490;font-family:"Baloo 2",Nunito,sans-serif}.tsc4courses-title{margin:0;font-size:clamp(28px,4vw,36px);color:#0f172a;background:linear-gradient(135deg,#0f172a,#0369a1 45%,#0f766e);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-family:"Baloo 2",Nunito,sans-serif;letter-spacing:.02em}.tsc4courses-home-link{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:10px;border:1px solid #7dd3fc;background:linear-gradient(135deg,#fff,#ecfeff);color:#0f172a;font-size:13px;font-weight:600;text-decoration:none;box-shadow:0 8px 16px #38bdf833;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.tsc4courses-home-link:hover{transform:translateY(-1px);border-color:#38bdf8;box-shadow:0 12px 20px #38bdf847}.tsc4courses-topbar-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end;justify-self:end;animation:tsc4coursesSlideIn .65s ease both}.tsc4courses-sidebar-toggle,.tsc4courses-join-launch-btn,.tsc4courses-response-btn,.tsc4courses-join-button,.tsc4courses-head-btn,.tsc4courses-message-read-btn{border:0;border-radius:10px;font:inherit;cursor:pointer}.tsc4courses-sidebar-toggle{display:none;border:1px solid #7dd3fc;padding:9px 12px;background:linear-gradient(135deg,#fff,#f0f9ff);color:#0f172a;font-weight:700}.tsc4courses-join-launch-btn,.tsc4courses-join-button,.tsc4courses-response-btn,.tsc4courses-head-btn{padding:10px 16px;background:linear-gradient(135deg,#22c55e,#14b8a6 50%,#0ea5e9);color:#fff;font-weight:600;box-shadow:0 10px 20px #14b8a647;transition:transform .22s ease,box-shadow .22s ease,filter .22s ease}.tsc4courses-response-btn{background:linear-gradient(135deg,#0ea5e9,#0284c7 55%,#2563eb);padding:9px 12px;font-size:13px}.tsc4courses-head-btn{background:linear-gradient(135deg,#0f75bd,#2563eb 55%,#1d4ed8);padding:9px 14px;font-size:13px;display:inline-flex;align-items:center;gap:8px}.tsc4courses-head-btn-alt{background:linear-gradient(135deg,#0ea5e9,#0284c7 55%,#0f766e)}.tsc4courses-head-btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626 55%,#b91c1c)}.tsc4courses-join-launch-btn:hover,.tsc4courses-join-button:hover,.tsc4courses-response-btn:hover,.tsc4courses-head-btn:hover{transform:translateY(-1px);box-shadow:0 14px 24px #0ea5e94d;filter:saturate(1.08)}.tsc4courses-join-button:disabled,.tsc4courses-response-btn:disabled,.tsc4courses-head-btn:disabled,.tsc4courses-message-read-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.tsc4courses-unread-badge{min-width:20px;height:20px;border-radius:999px;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;font-size:11px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;line-height:1}.tsc4courses-count{padding:8px 14px;border-radius:999px;border:1px solid #7dd3fc;color:#0f172a;background:linear-gradient(135deg,#fff,#ecfeff);font-size:13px;font-weight:600;box-shadow:0 8px 18px #7dd3fc40;animation:tsc4coursesSoftPulse 2.8s ease-in-out infinite}.tsc4courses-sidebar{grid-column:1;grid-row:3;border-right:1px solid rgba(148,163,184,.28);padding:22px 14px;background:radial-gradient(circle at 10% 4%,rgba(224,242,254,.9),transparent 40%),linear-gradient(180deg,#fffffff2,#f1f5f9eb);overflow-x:hidden}.tsc4courses-sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.tsc4courses-sidebar-title{margin:0;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#0369a1}.tsc4courses-sidebar-close{display:none;border:1px solid #bae6fd;background:#fff;color:#0f172a;width:30px;height:30px;border-radius:8px;cursor:pointer;font-weight:700}.tsc4courses-search-wrap{display:block;margin-bottom:12px}.tsc4courses-search{width:100%;border-radius:12px;border:1px solid #bfdbfe;background:#fff;color:#0f172a;padding:11px 12px;font:inherit;box-sizing:border-box;outline:none}.tsc4courses-search::placeholder{color:#64748b}.tsc4courses-search:focus{border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf82e}.tsc4courses-sidebar-list{display:flex;flex-direction:column;gap:10px;overflow-x:hidden}.tsc4courses-item{position:relative;width:100%;max-width:100%;box-sizing:border-box;border:1px solid #dbeafe;border-radius:14px;background:linear-gradient(120deg,#fff,#f8fdff);color:#0f172a;text-align:left;padding:8px 10px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;overflow:hidden}.tsc4courses-item:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#38bdf8,#34d399);opacity:.55;transition:opacity .2s ease,width .2s ease}.tsc4courses-item:hover{transform:translateY(-1px);border-color:#7dd3fc;box-shadow:0 12px 24px #bae6fd73}.tsc4courses-item:hover:before{opacity:1;width:6px}.tsc4courses-item.is-active{border-color:#34d399;background:linear-gradient(130deg,#ecfeff,#f0fdf4 55%,#ecfccb);box-shadow:0 14px 26px #bbf7d08c}.tsc4courses-item.is-active:before{opacity:1;width:7px}.tsc4courses-item-main{flex:1;min-width:0;max-width:100%;overflow:hidden;border:0;background:transparent;padding:4px 6px;display:inline-flex;align-items:center;gap:10px;color:inherit;font:inherit;text-align:left;cursor:pointer}.tsc4courses-item-dot{width:8px;height:8px;border-radius:50%;background:#14b8a6;box-shadow:0 0 0 4px #14b8a626}.tsc4courses-item-text{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;min-width:0;max-width:100%}.tsc4courses-item-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tsc4courses-pin-dot{font-size:12px;flex-shrink:0}.tsc4courses-item-actions{display:flex;gap:6px;margin:0;padding:0;flex-shrink:0}.tsc4courses-item-action-btn{border:1px solid #bae6fd;border-radius:10px;background:#fff;color:#075985;padding:5px 8px;font-size:10px;font-weight:700;cursor:pointer;line-height:1.1}.tsc4courses-item-action-btn:hover{border-color:#38bdf8;background:#f0f9ff}.tsc4courses-item-action-btn:disabled{opacity:.65;cursor:not-allowed}.tsc4courses-item-action-btn-danger{border-color:#fecaca;color:#b91c1c}.tsc4courses-item-action-btn-danger:hover{background:#fff1f2;border-color:#fda4af}.tsc4courses-search-empty{color:#475569;font-size:13px;margin:6px 2px 0}.tsc4courses-main{grid-column:2;grid-row:3;padding:26px 34px 36px;background:radial-gradient(circle at 95% 10%,rgba(125,211,252,.14),transparent 28%),radial-gradient(circle at 15% 90%,rgba(110,231,183,.13),transparent 30%);overflow-y:auto}.tsc4courses-alert{border-radius:12px;border:1px solid;padding:10px 12px;margin-bottom:12px;font-weight:600}.tsc4courses-alert-float-stack{position:fixed;top:14px;left:50%;transform:translate(-50%);width:min(620px,calc(100vw - 24px));display:grid;gap:8px;z-index:2600;pointer-events:none}.tsc4courses-alert.is-floating{margin:0;width:100%;text-align:left;font:inherit;box-shadow:0 10px 24px #0f172a2e;cursor:pointer;pointer-events:auto;animation:tsc4courses-alert-enter .2s ease-out,tsc4courses-alert-exit .45s ease-in 3.75s forwards}.tsc4courses-alert.is-error{background:#fff1f2;border-color:#fda4af;color:#9f1239}.tsc4courses-alert.is-success{background:#ecfdf5;border-color:#86efac;color:#14532d}@keyframes tsc4courses-alert-enter{0%{opacity:0;transform:translateY(-10px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes tsc4courses-alert-exit{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-8px) scale(.99)}}.tsc4courses-workspace{display:grid;gap:14px}.tsc4courses-main-head{display:grid;gap:10px;border:1px solid #cfe6f8;border-radius:14px;background:linear-gradient(135deg,#fff,#f3fbff 52%,#ecfffb);padding:14px}.tsc4courses-main-head-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.tsc4courses-main-head-title{min-width:0}.tsc4courses-main-head-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.tsc4courses-main-head h2{margin:0;font-size:clamp(22px,3vw,30px);color:#0f172a;font-family:"Baloo 2",Nunito,sans-serif}.tsc4courses-main-head p{margin:8px 0 0;color:#334155;line-height:1.6}.tsc4courses-meta-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.tsc4courses-meta-grid div{border:1px solid #dceaf8;border-radius:10px;background:#fff;padding:8px 10px;display:grid;gap:2px}.tsc4courses-meta-grid span{color:#475569;font-size:11px}.tsc4courses-meta-grid strong{color:#0f172a;font-size:13px}.tsc4courses-sections-wrap{display:grid;gap:10px}.tsc4courses-section-card{border:1px solid #cfe1ef;border-radius:12px;background:#fff;overflow:hidden}.tsc4courses-section-head{border-bottom:1px solid transparent;background:linear-gradient(135deg,#f7fbff,#eef6fd);padding:10px}.tsc4courses-section-head.is-open{border-bottom-color:#dbeaf6}.tsc4courses-section-toggle{width:100%;border:0;background:transparent;padding:0;display:flex;justify-content:space-between;align-items:center;text-align:left;cursor:pointer;color:inherit;font:inherit}.tsc4courses-section-head-text{display:grid;gap:2px}.tsc4courses-section-head-text h3{margin:0;font-size:14px}.tsc4courses-section-head-text span{font-size:11px;color:#3f6683}.tsc4courses-section-arrow{width:26px;height:26px;border-radius:999px;border:1px solid #cfe1ef;display:inline-flex;align-items:center;justify-content:center;font-size:16px;color:#1e5275;background:#fff}.tsc4courses-section-body{display:grid;gap:8px;padding:10px;background:#fbfdff}.tsc4courses-component-card{border:1px solid #d4e4f1;border-radius:10px;background:#fff;padding:10px;display:grid;gap:10px}.tsc4courses-component-meta{display:flex;justify-content:space-between;align-items:center;gap:8px}.tsc4courses-type-pill,.tsc4courses-order-pill{border-radius:999px;padding:4px 9px;font-size:10px;font-weight:700}.tsc4courses-type-pill{color:#fff;background:#3f7eb1;text-transform:uppercase}.tsc4courses-type-pill.type-assignment,.tsc4courses-type-pill.type-exam{background:#b45042}.tsc4courses-type-pill.type-quiz{background:#5f6eba}.tsc4courses-type-pill.type-video,.tsc4courses-type-pill.type-pdf{background:#2f8d71}.tsc4courses-order-pill{color:#325978;background:#eff6ff;border:1px solid #d0e2f5}.tsc4courses-component-card h4{margin:0;font-size:18px;color:#0f172a}.tsc4courses-component-card p{margin:0;color:#334155;line-height:1.6}.tsc4courses-component-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:12px;color:#325978}.tsc4courses-resource-row{display:flex;flex-wrap:wrap;gap:10px}.tsc4courses-resource-row a,.tsc4courses-submission-file{color:#0369a1;text-decoration:underline;font-weight:700}.tsc4courses-link-btn{border:0;background:transparent;padding:0;cursor:pointer;font:inherit;text-align:left}.tsc4courses-deadline-closed{color:#b91c1c;font-weight:700}.tsc4courses-response-actions{display:flex;justify-content:flex-end}.tsc4courses-response-closed{font-size:12px;font-weight:700;color:#b91c1c}.tsc4courses-submission-card{border:1px solid #cde3f6;border-radius:12px;background:linear-gradient(160deg,#f6fbff,#f0f9ff);padding:12px;display:grid;gap:10px}.tsc4courses-submission-files{display:grid;gap:6px}.tsc4courses-teacher-grade{display:inline-flex;width:fit-content;align-items:center;gap:8px;border:1px solid #bfdbfe;border-radius:999px;padding:4px 10px;background:#eff6ff}.tsc4courses-teacher-grade strong{font-size:11px;font-weight:700;color:#1e3a8a;letter-spacing:.01em}.tsc4courses-teacher-grade span{font-size:12px;font-weight:700;color:#0f3b5f}.tsc4courses-teacher-note{border:1px solid #d2e6f8;border-radius:10px;background:linear-gradient(175deg,#fff,#f4f9ff);padding:10px 12px;display:grid;gap:6px}.tsc4courses-teacher-note-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.tsc4courses-teacher-note-head strong{font-size:12px;font-weight:700;letter-spacing:.01em;color:#0f3b5f}.tsc4courses-teacher-note-head span{font-size:11px;color:#64748b}.tsc4courses-teacher-note p{margin:0;font-size:12px;line-height:1.7;color:#334155;white-space:pre-wrap}.tsc4courses-muted{color:#64748b}.tsc4courses-loading,.tsc4courses-empty,.tsc4courses-loading-inline,.tsc4courses-empty-inline{border-radius:16px;border:1px solid #bfdbfe;background:#fff;color:#0f172a;text-align:center}.tsc4courses-loading{width:min(820px,92vw);margin:38px auto;padding:28px;font-weight:600}.tsc4courses-empty{margin-top:18px;padding:26px}.tsc4courses-empty h2{margin:0;font-size:26px}.tsc4courses-empty p{margin:10px auto 0;max-width:560px;color:#334155;line-height:1.7}.tsc4courses-loading-inline,.tsc4courses-empty-inline{padding:14px;font-weight:600}.tsc4courses-modal-overlay{position:fixed;inset:0;z-index:1400;background:#0f172a52;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:grid;place-items:center;padding:18px;box-sizing:border-box}.tsc4courses-modal{width:min(460px,100%);border-radius:16px;border:1px solid #bfdbfe;background:#fff;box-shadow:0 25px 50px #0f172a33;padding:16px}.tsc4courses-response-modal{width:min(680px,100%)}.tsc4courses-messages-modal{width:min(760px,100%)}.tsc4courses-members-modal{width:min(700px,100%)}.tsc4courses-chat-modal{width:min(860px,100%)}.tsc4courses-modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:10px}.tsc4courses-modal-header h3{margin:0;color:#0f172a;font-size:20px}.tsc4courses-modal-close{border:0;width:32px;height:32px;border-radius:8px;background:#e2e8f0;color:#0f172a;cursor:pointer}.tsc4courses-join-form,.tsc4courses-response-form{display:grid;gap:10px}.tsc4courses-response-form label{display:grid;gap:6px;font-size:13px;font-weight:700;color:#1e293b}.tsc4courses-join-input,.tsc4courses-response-textarea,.tsc4courses-response-file-input{width:100%;box-sizing:border-box;min-width:180px;padding:10px 12px;border-radius:10px;border:1px solid #bfdbfe;background:#fff;color:#0f172a;font:inherit;outline:none}.tsc4courses-response-textarea{resize:vertical}.tsc4courses-join-input:focus,.tsc4courses-response-textarea:focus,.tsc4courses-response-file-input:focus{border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf82e}.tsc4courses-checkbox-row{display:flex;align-items:center;gap:8px;color:#334155;font-size:13px}.tsc4courses-files-panel{border:1px solid #dbeafe;border-radius:10px;background:#f8fdff;padding:8px;display:grid;gap:8px}.tsc4courses-files-list{display:grid;gap:6px}.tsc4courses-pending-file-row{border:1px solid #e2e8f0;border-radius:8px;background:#fff;padding:6px 8px;display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:8px}.tsc4courses-pending-file-row.is-marked{border-style:dashed;background:#f8fafc}.tsc4courses-pending-file-row.is-marked .tsc4courses-submission-file{color:#64748b;text-decoration:line-through}.tsc4courses-pending-file-row span:first-child,.tsc4courses-pending-file-row .tsc4courses-submission-file{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tsc4courses-messages-list{display:grid;gap:10px;max-height:62vh;overflow-y:auto;padding-right:4px}.tsc4courses-message-card{border:1px solid #dbeafe;border-radius:12px;background:#f8fdff;padding:10px;display:grid;gap:8px;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.tsc4courses-message-card:hover{transform:translateY(-1px);border-color:#93c5fd;box-shadow:0 10px 20px #38bdf826}.tsc4courses-message-card.is-unread{border-color:#86efac;background:linear-gradient(145deg,#f0fdf4,#ecfeff)}.tsc4courses-message-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.tsc4courses-message-head-main{display:flex;align-items:center;gap:10px}.tsc4courses-message-head strong{display:block;font-size:14px;color:#0f172a}.tsc4courses-teacher-check{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;margin-left:6px;border-radius:999px;background:#2563eb;border:1px solid #1d4ed8;line-height:0;flex-shrink:0}.tsc4courses-teacher-check:before{content:"";width:4px;height:7px;border:solid #ffffff;border-width:0 2px 2px 0;transform:rotate(45deg);margin-top:-1px}.tsc4courses-message-head span{font-size:11px;color:#64748b}.tsc4courses-message-read-btn{padding:7px 10px;background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:1px solid #bae6fd;color:#075985;font-size:12px;font-weight:700}.tsc4courses-message-read-pill{border-radius:999px;padding:4px 9px;font-size:11px;border:1px solid #86efac;color:#166534;background:#ecfdf5;font-weight:700}.tsc4courses-message-card p{margin:0;color:#1e293b;line-height:1.6;white-space:pre-wrap}.tsc4courses-members-list{display:grid;gap:10px;max-height:62vh;overflow-y:auto;padding-right:4px}.tsc4courses-member-row{border:1px solid #ddd6fe;border-radius:12px;background:linear-gradient(145deg,#fdfbff,#eef8ff);padding:10px;display:flex;align-items:center;justify-content:space-between;gap:10px}.tsc4courses-member-main{display:flex;align-items:center;gap:10px}.tsc4courses-member-meta{display:grid;gap:3px}.tsc4courses-member-meta span{font-size:12px;color:#475569}.tsc4courses-member-title{display:flex;align-items:center;gap:8px}.tsc4courses-member-title strong{color:#0f172a}.tsc4courses-member-owner-pill{border-radius:999px;border:1px solid #d8b4fe;background:#f5f3ff;color:#6d28d9;padding:3px 8px;font-size:10px;font-weight:700}.tsc4courses-chat-head{border:1px solid #dbeafe;border-radius:12px;padding:10px;background:linear-gradient(145deg,#f8fdff,#eff6ff);display:flex;align-items:center;gap:10px;margin-bottom:10px}.tsc4courses-chat-head strong{display:block;color:#0f172a;font-size:14px}.tsc4courses-chat-head span{display:block;color:#475569;font-size:12px}.tsc4courses-chat-body{border:1px solid #dbeafe;border-radius:12px;background:linear-gradient(180deg,#f8fdff,#f1f9ff);padding:10px;min-height:220px;max-height:48vh;overflow-y:auto;display:grid;gap:8px}.tsc4courses-chat-row{display:flex;align-items:flex-end;gap:8px}.tsc4courses-chat-row.is-me{justify-content:flex-end}.tsc4courses-chat-row.is-peer{justify-content:flex-start}.tsc4courses-chat-bubble{max-width:min(72ch,70%);border-radius:14px;padding:9px 11px;box-shadow:0 6px 16px #0f172a14;display:grid;gap:5px}.tsc4courses-chat-bubble.is-peer{background:#fff;border:1px solid #dbeafe;color:#1e293b;border-bottom-left-radius:4px}.tsc4courses-chat-bubble.is-me{background:linear-gradient(135deg,#0ea5e9,#2563eb 58%,#1d4ed8);color:#fff;border:1px solid rgba(59,130,246,.9);border-bottom-right-radius:4px}.tsc4courses-chat-bubble p{margin:0;white-space:pre-wrap;line-height:1.6}.tsc4courses-chat-bubble span{font-size:10px;opacity:.9}.tsc4courses-chat-input-row{margin-top:10px;display:flex;gap:8px}.tsc4courses-chat-input{flex:1;min-width:0;border-radius:10px;border:1px solid #bfdbfe;background:#fff;color:#0f172a;font:inherit;padding:10px 12px;outline:none}.tsc4courses-chat-input:focus{border-color:#38bdf8;box-shadow:0 0 0 3px #38bdf82e}.tsc4courses-join-status{position:relative;margin:12px 0 0;padding:12px 14px 12px 42px;font-size:13px;font-weight:700;line-height:1.45;border-radius:12px;border:1px solid transparent;box-shadow:0 8px 16px #0f172a0f}.tsc4courses-join-status:before{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:20px;height:20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800}.tsc4courses-join-status.is-success{color:#14532d;background:linear-gradient(135deg,#ecfdf5,#dcfce7);border-color:#86efac}.tsc4courses-join-status.is-success:before{content:"OK";color:#166534;background:#bbf7d0}.tsc4courses-join-status.is-error{color:#991b1b;background:linear-gradient(135deg,#fef2f2,#fee2e2);border-color:#fca5a5}.tsc4courses-join-status.is-error:before{content:"!";color:#b91c1c;background:#fecaca}@keyframes tsc4coursesGlowFloatA{0%{transform:translate(0) scale(1)}50%{transform:translate(-10px,8px) scale(1.06)}to{transform:translate(0) scale(1)}}@keyframes tsc4coursesGlowFloatB{0%{transform:translate(0) scale(1)}50%{transform:translate(12px,-7px) scale(1.05)}to{transform:translate(0) scale(1)}}@keyframes tsc4coursesSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes tsc4coursesSoftPulse{0%{box-shadow:0 8px 18px #7dd3fc33}50%{box-shadow:0 12px 24px #6ee7b747}to{box-shadow:0 8px 18px #7dd3fc33}}@keyframes tsc4coursesSignboardFloat{0%{transform:translateY(0)}50%{transform:translateY(-3px)}to{transform:translateY(0)}}@media(max-width:1100px){.tsc4courses-meta-grid{grid-template-columns:1fr}.tsc4courses-main-head-top{flex-direction:column;align-items:stretch}.tsc4courses-main-head-actions{justify-content:flex-start}}@media(max-width:700px){.tsc4courses-frame{display:block}.tsc4courses-topbar{grid-template-columns:auto 1fr auto;gap:10px;padding:14px 12px}.tsc4courses-topbar-center{min-width:0}.tsc4courses-signboard{min-width:0;width:100%;padding:8px 12px 10px;border-radius:12px}.tsc4courses-kicker{font-size:10px;margin-bottom:0}.tsc4courses-title{font-size:clamp(20px,6vw,24px)}.tsc4courses-home-link{margin:0;padding:8px 10px;font-size:12px;white-space:nowrap}.tsc4courses-topbar-actions{gap:6px;flex-wrap:nowrap}.tsc4courses-sidebar-toggle{display:inline-flex;align-items:center}.tsc4courses-count{display:none}.tsc4courses-join-launch-btn{padding:9px 12px;font-size:12px;white-space:nowrap}.tsc4courses-sidebar{position:fixed;top:0;left:0;bottom:0;width:min(320px,86vw);border-right:1px solid rgba(148,163,184,.28);border-bottom:0;z-index:1501;transform:translate(-108%);transition:transform .28s ease;box-shadow:18px 0 40px #0f172a33;overflow-y:auto;pointer-events:auto}.tsc4courses-sidebar.is-open{transform:translate(0)}.tsc4courses-sidebar-close{display:inline-flex;align-items:center;justify-content:center}.tsc4courses-main{padding:16px 12px 22px}.tsc4courses-component-foot,.tsc4courses-teacher-note-head{flex-direction:column;align-items:flex-start}.tsc4courses-response-actions{justify-content:stretch}.tsc4courses-response-btn{width:100%}.tsc4courses-main-head-actions .tsc4courses-head-btn{width:100%;justify-content:center}.tsc4courses-member-row,.tsc4courses-message-head,.tsc4courses-chat-head,.tsc4courses-chat-input-row{flex-direction:column;align-items:stretch}.tsc4courses-member-row .tsc4courses-head-btn{width:100%;justify-content:center}.tsc4courses-item-actions{flex-wrap:wrap}.tsc4courses-chat-bubble{max-width:100%}}.alc-loading-screen{position:fixed;inset:0;z-index:9999;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse 70% 50% at 50% 18%,rgba(125,211,252,.08),transparent 60%),radial-gradient(ellipse 55% 45% at 80% 75%,rgba(167,139,250,.06),transparent 55%),linear-gradient(168deg,#0b1524,#101c2e,#0d1726);overflow:hidden}.alc-loading-glow{position:absolute;border-radius:50%;pointer-events:none;filter:blur(40px)}.alc-loading-glow--a{width:280px;height:280px;background:radial-gradient(circle,rgba(94,234,212,.14) 0%,transparent 72%);animation:alc-glow-drift-a 5s ease-in-out infinite}.alc-loading-glow--b{width:220px;height:220px;background:radial-gradient(circle,rgba(165,180,252,.12) 0%,transparent 72%);animation:alc-glow-drift-b 6.5s ease-in-out infinite}.alc-loading-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:10px;padding:28px 32px}.alc-loading-spinner{position:relative;width:44px;height:44px;margin-bottom:6px}.alc-loading-spinner-ring{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(148,163,184,.12);border-top-color:#5eead4d9;border-right-color:#818cf88c;animation:alc-orbit-spin 1.35s cubic-bezier(.45,.05,.35,.95) infinite}.alc-loading-label{margin:0;display:flex;align-items:baseline;gap:1px;font-family:Poppins,Arial,sans-serif;font-size:.98rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:#e2e8f0eb}.alc-loading-ellipsis{display:inline-flex;letter-spacing:0;margin-left:1px}.alc-loading-ellipsis span{font-size:.98rem;font-weight:500;color:#94a3b8b3;animation:alc-ellipsis-fade 1.4s ease-in-out infinite}.alc-loading-ellipsis span:nth-child(2){animation-delay:.2s}.alc-loading-ellipsis span:nth-child(3){animation-delay:.4s}.alc-loading-hint{margin:0;min-height:1.35em;font-family:Poppins,Arial,sans-serif;font-size:.8rem;font-weight:400;letter-spacing:.02em;color:#94a3b8b8;animation:alc-hint-fade .5s ease}@keyframes alc-orbit-spin{to{transform:rotate(360deg)}}@keyframes alc-glow-drift-a{0%,to{transform:translate(-12px,-8px) scale(1);opacity:.5}50%{transform:translate(10px,6px) scale(1.06);opacity:.75}}@keyframes alc-glow-drift-b{0%,to{transform:translate(14px,10px) scale(1);opacity:.4}50%{transform:translate(-8px,-12px) scale(1.05);opacity:.65}}@keyframes alc-ellipsis-fade{0%,to{opacity:.25}50%{opacity:.9}}@keyframes alc-hint-fade{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}:root{--bg-page: #0d1b2a;--bg-color: #1a1a1a;--teal-1: #2a9d8f;--teal-2: #2cbd8d;--text: #ffffff;--muted-text: #a3bffa;--shadow: 0 8px 20px rgba(0, 0, 0, .25);--borderW: 6px;--card-front-gradient-start: #4a4e69;--card-front-gradient-end: #22223b;--card-back-gradient-start: #9a8c98;--card-back-gradient-end: #c9ada7;--accent-color: #f2e9e4;--title-color: #f2e9e4;--title-shadow: rgba(242, 233, 228, .5);--card-width: 550px;--card-height: 380px;--card-spacing: 620px;--card-font-size: 26px;--card-bg: #1b263b;--card-hover: #253554;--border-radius: 12px}body{margin:0;min-height:100vh;display:flex;justify-content:center;align-items:center;background:#0d1b2a;font-family:Poppins,Arial,sans-serif}a{text-decoration:none;color:inherit}