@import "https://fonts.googleapis.com/css2?family=Alexandria:wght@500;600;700;800;900&family=Cairo:wght@400;500;600;700;800&display=swap";:root{--paper:#f1f4ec;--paper-deep:#e6ebdd;--ink:#1f2e28;--ink-soft:#5b6b60;--ink-faint:#8b978c;--card:#fff;--card-glass:#ffffff9e;--line:#dce3d5;--accent:#e8873a;--accent-2:#f0a868;--accent-dark:#a85a1d;--accent-bg:#fbe7ce;--accent-glow:#e8873a59;--sunset:#e8873a;--sunset-dark:#a85a1d;--sunset-bg:#fbe7ce;--pine:#1f7a63;--pine-dark:#134f40;--pine-bg:#dbeee6;--berry:#c15b4a;--berry-bg:#f6e1db;--sky:#3e7ca6;--sky-bg:#deebf3;--radius-sm:10px;--radius-md:16px;--radius-lg:24px;--radius-xl:28px;--blur:blur(20px) saturate(1.5);--glass-line:#ffffff8c;--shadow-xs:0 1px 2px #1f2e280f;--shadow-card:0 1px 2px #1f2e280a, 0 12px 28px -10px #1f2e2824;--shadow-pop:0 4px 10px #1f2e2814, 0 24px 52px -12px var(--accent-glow);--shadow-lg:0 8px 20px #1f2e281a, 0 36px 72px -18px 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2px 8px #2a1f4412, 0 16px 34px #2a1f441a;--shadow-pop:0 8px 18px #2a1f441f, 0 26px 54px -8px var(--accent-glow)}[data-theme=midnight]{--paper:#0d1119;--paper-deep:#141b29;--ink:#eaeffa;--ink-soft:#a6b0c8;--ink-faint:#6d7893;--card:#1a2233;--card-glass:#181f308c;--line:#2a3448;--glass-line:#ffffff14;--accent:#6c8cff;--accent-2:#93aaff;--accent-dark:#9cb2ff;--accent-bg:#26304a;--accent-glow:#6c8cff66;--shadow-card:0 2px 8px #00000047, 0 14px 30px #00000052;--shadow-pop:0 8px 20px #00000057, 0 28px 56px -6px var(--accent-glow)}[data-theme=midnight] .bg-orb{opacity:.16}[data-theme=midnight] .bg-grid{opacity:.05}[data-theme=midnight] .field input,[data-theme=midnight] .field select,[data-theme=midnight] .field textarea,[data-theme=midnight] 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0,#000 30%,#0000 75%)}@keyframes grid-drift{to{background-position:26px 26px}}.app{z-index:1;flex-direction:column;min-height:100vh;display:flex;position:relative}.topnav{z-index:40;height:var(--topnav-h);background:var(--card-glass);-webkit-backdrop-filter:var(--blur);border:1px solid var(--glass-line);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);animation:topnav-drop .6s var(--ease-out-expo) both;align-items:center;gap:18px;margin:12px clamp(12px,4vw,40px) 0;padding:0 18px;display:flex;position:sticky;top:12px}.topnav:before{content:"";border-radius:var(--radius-xl) var(--radius-xl) 0 0;background:linear-gradient(90deg, transparent, var(--accent), var(--accent-2), var(--pine), transparent);opacity:.75;height:2px;position:absolute;top:0;left:0;right:0}@keyframes topnav-drop{0%{opacity:0;transform:translateY(-26px)}to{opacity:1;transform:translateY(0)}}.brand{flex-shrink:0;align-items:center;gap:10px;display:flex}.brand-mark{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;width:40px;height:40px;box-shadow:0 6px 16px var(--accent-glow);z-index:1;border-radius:13px;justify-content:center;align-items:center;font-size:20px;animation:4.5s ease-in-out infinite mark-breathe;display:flex;position:relative}@keyframes mark-breathe{0%,to{box-shadow:0 6px 16px var(--accent-glow)}50%{box-shadow:0 6px 26px var(--accent-glow), 0 0 0 6px color-mix(in srgb, var(--accent) 10%, transparent)}}.brand-mark:before{content:"";border-radius:inherit;background:linear-gradient(135deg, var(--accent), var(--accent-2));z-index:-1;animation:1.1s ease-out beacon-pulse-once;position:absolute;inset:0}@keyframes beacon-pulse-once{0%{opacity:.55;transform:scale(1)}to{opacity:0;transform:scale(1.7)}}.brand-text{flex-direction:column;line-height:1.25;display:flex}.brand-name{font-family:Alexandria,sans-serif;font-size:20px;font-weight:800}.brand-tagline{color:var(--ink-faint);letter-spacing:.04em;font-size:10px;font-weight:700}@media (width<=900px){.brand-tagline{display:none}}.topnav-links{flex:1;align-items:center;gap:4px;min-width:0;display:flex}.topnav-links-scroll{scrollbar-width:none;align-items:center;gap:4px;min-width:0;display:flex;overflow-x:auto;-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 20px calc(100% - 20px),#0000 100%);mask-image:linear-gradient(90deg,#0000 0,#000 20px calc(100% - 20px),#0000 100%)}.topnav-links-scroll .nav-pill,.topnav-links .nav-dropdown-wrap{flex-shrink:0}.nav-pill{color:var(--ink-soft);white-space:nowrap;transition:color .2s ease, background-color .2s ease, transform .2s var(--ease-spring), box-shadow .2s ease;background:0 0;border:1px solid #0000;border-radius:99px;align-items:center;gap:8px;padding:9px 15px;font-size:13.5px;font-weight:600;display:inline-flex;position:relative}.nav-pill i{transition:transform .25s var(--ease-spring);font-size:16px}.nav-pill:hover{color:var(--ink);background:color-mix(in srgb, var(--ink) 6%, transparent);transform:translateY(-1px)}.nav-pill:hover i{transform:scale(1.15)rotate(-6deg)}.nav-pill.active{color:#fff;background:linear-gradient(135deg, var(--accent), var(--accent-2));box-shadow:0 6px 18px var(--accent-glow);animation:pill-pop .35s var(--ease-spring)}@keyframes pill-pop{0%{transform:scale(.92)}to{transform:scale(1)}}.nav-dropdown-wrap{position:relative}.dropdown-toggle .dropdown-chevron{transition:transform .3s var(--ease-spring);font-size:14px}.dropdown-toggle.open .dropdown-chevron{transform:rotate(180deg)}.nav-dropdown{z-index:60;background:var(--card-glass);min-width:220px;-webkit-backdrop-filter:var(--blur);border:1px solid var(--glass-line);box-shadow:var(--shadow-pop);transform-origin:100% 0;opacity:1;border-radius:18px;flex-direction:column;gap:2px;padding:8px;display:flex;position:absolute;top:calc(100% + 10px);right:0}@keyframes 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var(--line);background:var(--card);transition:box-shadow .2s ease, transform .2s var(--ease-spring);border-radius:99px;align-items:center;gap:9px;padding:5px 12px 5px 14px;display:flex}.user-chip:hover{box-shadow:var(--shadow-card);transform:translateY(-1px)}.user-chip-text{flex-direction:column;line-height:1.3;display:flex}.user-chip-name{color:var(--ink);font-size:12.5px;font-weight:700}.user-chip-role{color:var(--ink-faint);align-items:center;gap:3px;font-size:10.5px;font-weight:600;display:flex}.user-chip-role i{color:var(--pine);font-size:11px}.avatar-mini{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;width:30px;height:30px;box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.notif-popover{z-index:60;background:var(--card-glass);width:min(340px,86vw);-webkit-backdrop-filter:var(--blur);border:1px solid var(--glass-line);box-shadow:var(--shadow-pop);transform-origin:0 0;max-height:380px;animation:dropdown-in .3s var(--ease-spring) both;border-radius:18px;flex-direction:column;display:flex;position:absolute;top:calc(100% + 10px);left:0}.notif-popover-header{border-bottom:1px solid var(--line);color:var(--ink);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 14px;font-family:Alexandria,sans-serif;font-size:13px;font-weight:800;display:flex}.notif-popover-list{padding:6px;overflow-y:auto}.notif-item-clean{cursor:pointer;transition:background-color .15s ease, transform .15s var(--ease-spring);opacity:0;animation:stagger-fade .3s var(--ease-smooth) both;border-radius:12px;align-items:flex-start;gap:9px;margin-bottom:2px;padding:9px 10px;display:flex}.notif-item-clean:hover{background:color-mix(in srgb, var(--ink) 5%, transparent);transform:translate(-2px)}.notif-item-clean.unread{background:color-mix(in srgb, var(--accent) 12%, 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i{color:var(--accent)}.sheet-grid{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.sheet-item{border:1px solid var(--line);background:var(--card);color:var(--ink-soft);transition:border-color .15s ease, transform .15s var(--ease-spring);opacity:0;animation:stagger-fade .35s var(--ease-smooth) both;border-radius:14px;align-items:center;gap:10px;padding:13px 14px;font-size:13px;font-weight:700;display:flex}.sheet-item i{color:var(--accent);font-size:17px}.sheet-item:active{transform:scale(.96)}.sheet-item.active{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;box-shadow:0 8px 20px var(--accent-glow);border-color:#0000}.sheet-item.active i{color:#fff}.main{z-index:1;flex:1;width:100%;max-width:1120px;margin:0 auto;padding:34px clamp(16px,5vw,52px) 70px;position:relative}.topbar{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:14px;margin-bottom:30px;display:flex}.eyebrow{color:var(--accent-dark);letter-spacing:.14em;text-transform:uppercase;animation:fade-up .45s var(--ease-smooth) both;align-items:center;gap:8px;font-size:12px;font-weight:800;display:inline-flex}.eyebrow:before{content:"";background:linear-gradient(90deg, var(--accent), var(--accent-2));width:22px;height:2px;animation:eyebrow-line .6s var(--ease-out-expo) both .1s;transform-origin:100%;border-radius:2px}@keyframes eyebrow-line{0%{transform:scaleX(0)}to{transform:scaleX(1)}}.page-title{animation:fade-up .45s var(--ease-smooth) both 60ms;margin-top:6px;font-size:clamp(24px,3.4vw,32px)}@keyframes page-in{0%{opacity:0;filter:blur(4px);transform:translateY(18px)scale(.985)}to{opacity:1;filter:blur();transform:translateY(0)scale(1)}}.page-transition{animation:page-in .45s var(--ease-out-expo) both}.btn{border:1.5px solid 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16px;position:relative}.login-page:before,.login-page:after{content:"";z-index:-1;pointer-events:none;filter:blur(70px);border-radius:50%;animation:16s ease-in-out infinite alternate orb-float;position:fixed}.login-page:before{background:linear-gradient(135deg, var(--accent), var(--accent-2));opacity:.3;width:440px;height:440px;top:-130px;right:-150px}.login-page:after{background:var(--pine);opacity:.15;width:360px;height:360px;animation-delay:-7s;bottom:-90px;left:-110px}.login-mark{background:linear-gradient(135deg, var(--accent), var(--accent-2));width:68px;height:68px;box-shadow:0 12px 30px var(--accent-glow);animation:mark-pop .7s var(--ease-spring) both, mark-hover 5s ease-in-out infinite 1s;border-radius:22px;justify-content:center;align-items:center;margin:0 auto 18px;font-size:28px;display:flex}@keyframes mark-pop{0%{opacity:0;transform:scale(.4)rotate(-16deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes mark-hover{0%,to{transform:translateY(0)rotate(0)}50%{transform:translateY(-7px)rotate(2deg)}}.login-page h1{margin-bottom:6px;font-size:30px}.login-page .sub{color:var(--ink-soft);margin-bottom:30px;font-size:14px}.login-card{background:var(--card-glass);-webkit-backdrop-filter:var(--blur);border-radius:var(--radius-lg);box-shadow:var(--shadow-pop);border:1px solid var(--glass-line);padding:32px 28px;position:relative;overflow:hidden}.login-card:before{content:"";background:linear-gradient(90deg, var(--accent), var(--accent-2), var(--pine));height:3px;position:absolute;top:0;left:0;right:0}.login-title-anim,.login-sub-anim,.login-card-anim{opacity:0;animation:fade-up .55s var(--ease-smooth) forwards}.login-title-anim{animation-delay:.2s}.login-sub-anim{animation-delay:.32s}.login-card-anim{animation-delay:.44s}.login-note{color:var(--ink-faint);text-align:center;justify-content:center;align-items:center;gap:5px;margin:14px 0 0;font-size:12.5px;display:flex}.login-note i{color:var(--pine);font-size:13px}.auth-toggle{background:color-mix(in srgb, var(--ink) 6%, transparent);border-radius:14px;gap:6px;margin-bottom:16px;padding:4px;display:flex}.auth-toggle button{color:var(--ink-soft);transition:background-color .2s ease, color .2s ease, box-shadow .2s ease, transform .2s var(--ease-spring);background:0 0;border:none;border-radius:11px;flex:1;padding:10px;font-family:inherit;font-size:13.5px;font-weight:700}.auth-toggle button.active{background:var(--card);color:var(--ink);box-shadow:var(--shadow-card);transform:scale(1.02)}.auth-error{color:var(--berry);text-align:right;animation:shake .35s var(--ease-smooth);margin:0 0 14px;font-size:13px}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.spin{animation:.8s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-loading-screen{width:100%;min-height:100vh;color:var(--accent);background:var(--paper);justify-content:center;align-items:center;font-size:30px;display:flex}@keyframes pop-in{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}@keyframes stagger-fade{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-up{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes scale-in{0%{opacity:0;transform:scale(.93)}to{opacity:1;transform:scale(1)}}.animate-pop{animation:pop-in .4s var(--ease-spring)}.animate-stagger{animation:stagger-fade .5s var(--ease-out-expo) both}.animate-scale-in{animation:scale-in .3s var(--ease-spring) both}.card-hover-lift{transition:transform .25s var(--ease-spring), box-shadow .25s ease}.card-hover-lift:hover{box-shadow:var(--shadow-pop);transform:translateY(-5px)}.text-gradient{background:linear-gradient(120deg, 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var(--glass-line);border-radius:var(--radius-md);background:var(--card-glass);-webkit-backdrop-filter:var(--blur);cursor:pointer;transition:transform .2s var(--ease-spring), box-shadow .2s ease, border-color .2s ease;align-items:center;gap:16px;margin-bottom:10px;padding:14px 18px;display:flex;position:relative}.lesson-row:hover{box-shadow:var(--shadow-card);border-color:color-mix(in srgb, var(--accent) 45%, transparent);transform:translate(-4px)}.lesson-row.current{border-color:var(--accent);background:color-mix(in srgb, var(--accent-bg) 55%, transparent)}.lesson-row.locked{opacity:.55;cursor:not-allowed}.lesson-row.locked:hover{box-shadow:none;transform:none}.lesson-dot{z-index:1;border:3px solid var(--paper);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:16px;display:flex;position:relative}.lesson-dot.done{background:linear-gradient(135deg, var(--pine), var(--pine-dark));color:#fff}.lesson-dot.current{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;box-shadow:0 0 0 5px var(--accent-glow);animation:2.4s ease-in-out infinite current-pulse}@keyframes current-pulse{0%,to{box-shadow:0 0 0 5px var(--accent-glow)}50%{box-shadow:0 0 0 9px color-mix(in srgb, var(--accent) 14%, transparent)}}.lesson-dot.locked{background:var(--line);color:var(--ink-faint)}.lesson-title{font-size:15px;font-weight:700}.lesson-sub{color:var(--ink-soft);margin-top:2px;font-size:12px}.lesson-list-clean{flex-direction:column;gap:8px;max-width:640px;display:flex}.lesson-row-clean{background:var(--card-glass);-webkit-backdrop-filter:var(--blur);border:1px solid var(--glass-line);cursor:pointer;opacity:0;transition:border-color .2s ease, transform .2s var(--ease-spring), box-shadow .2s ease;border-radius:15px;align-items:center;gap:14px;padding:14px 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.lesson-chevron{color:var(--accent);transform:translate(-3px)}.lesson-body{background:var(--card-glass);-webkit-backdrop-filter:var(--blur);border:1px solid var(--glass-line);border-radius:var(--radius-lg);color:var(--ink-soft);box-shadow:var(--shadow-card);animation:fade-up .5s var(--ease-out-expo) both .1s;margin:18px 0 22px;padding:26px 28px;font-size:15px;line-height:2}.lesson-body p{margin:0}.lesson-nav{justify-content:space-between;display:flex}.quiz-card{background:var(--card-glass);-webkit-backdrop-filter:var(--blur);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);border:1px solid var(--glass-line);animation:scale-in .35s var(--ease-spring) both;padding:26px 28px}.quiz-progress{color:var(--ink-soft);margin-bottom:6px;font-size:12.5px;font-weight:700}.quiz-q{margin:6px 0 18px;font-family:Alexandria,sans-serif;font-size:17.5px;font-weight:800}.quiz-option{border:1.5px solid var(--line);background:var(--card);border-radius:var(--radius-md);cursor:pointer;transition:border-color .15s ease, background .15s ease, transform .2s var(--ease-spring), box-shadow .2s ease;align-items:center;gap:12px;margin-bottom:10px;padding:13px 16px;font-size:14.5px;display:flex}.quiz-option:hover{border-color:var(--accent);box-shadow:var(--shadow-card);transform:translate(-3px)}.quiz-option.selected{border-color:var(--accent);background:var(--accent-bg);animation:pop-in .25s var(--ease-spring);box-shadow:0 6px 16px var(--accent-glow)}.quiz-result{text-align:center;padding:36px 0}.quiz-score{color:#fff;width:100px;height:100px;animation:mark-pop .55s var(--ease-spring) both;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 14px;font-family:Alexandria,sans-serif;font-size:48px;display:flex}.quiz-score.win{background:linear-gradient(135deg, var(--pine), var(--pine-dark));box-shadow:0 12px 30px #1f7a6366}.quiz-score.lose{background:linear-gradient(135deg, 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var(--accent-glow);transform:scale(1.08)rotate(-2deg)}.badge-chip i{font-size:15px}.badge-chip.animate-pop{animation:pop-in .4s var(--ease-spring) both}.instructor-note-card{background:linear-gradient(135deg, var(--accent-bg), color-mix(in srgb, var(--accent-bg) 60%, transparent));border:1.5px solid var(--accent);border-radius:var(--radius-lg);animation:fade-up .45s var(--ease-out-expo) both;margin-bottom:20px;padding:18px 20px}.instructor-note-label{color:var(--accent-dark);align-items:center;gap:6px;margin-bottom:8px;font-size:13px;font-weight:800;display:flex}.instructor-note-card p{color:var(--ink);margin:0;font-size:14.5px;line-height:1.8}.notes-editor-list{flex-direction:column;gap:14px;max-width:620px;display:flex}.notes-editor-row{background:var(--card-glass);-webkit-backdrop-filter:var(--blur);border:1px solid var(--glass-line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:transform .2s var(--ease-spring), border-color .2s ease;opacity:0;animation:stagger-fade .4s var(--ease-out-expo) both;padding:16px 18px;position:relative;overflow:hidden}.notes-editor-row:before{content:"";background:linear-gradient(180deg, var(--sky), var(--accent-2));width:4px;position:absolute;inset:0 auto 0 0}.notes-editor-row:hover{border-color:color-mix(in srgb, var(--sky) 60%, transparent);transform:translateY(-3px)}.notes-editor-title{margin-bottom:10px;font-family:Alexandria,sans-serif;font-size:14.5px;font-weight:800}.notes-textarea{border:1.5px solid var(--line);background:var(--paper);width:100%;color:var(--ink);resize:vertical;border-radius:12px;padding:11px 13px;font-family:inherit;font-size:13.5px;transition:border-color .2s,box-shadow .2s}.notes-textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-glow);outline:none}.notes-actions{align-items:center;gap:12px;margin-top:8px;display:flex}.notes-saved{color:var(--pine);animation:fade-up .3s var(--ease-smooth);align-items:center;gap:4px;font-size:12.5px;display:flex}.upload-help{background:color-mix(in srgb, var(--sky-bg) 70%, transparent);border:1px solid var(--sky);border-radius:var(--radius-md);color:var(--ink-soft);max-width:620px;animation:fade-up .4s var(--ease-out-expo) both;gap:12px;margin-bottom:18px;padding:14px 16px;font-size:13px;line-height:1.8;display:flex}.upload-help>i{color:var(--sky);flex-shrink:0;margin-top:2px;font-size:20px}.upload-help strong{color:var(--ink)}.upload-help-example{background:var(--card);border:1px solid var(--line);white-space:pre-wrap;text-align:right;color:var(--ink);direction:rtl;border-radius:10px;margin:8px 0;padding:10px 12px;font-family:Courier New,monospace;font-size:12px}.question-block{border:1px solid var(--glass-line);border-radius:var(--radius-md);background:var(--card-glass);-webkit-backdrop-filter:var(--blur);transition:border-color .2s ease, transform .2s var(--ease-spring), box-shadow .2s ease;animation:stagger-fade .4s var(--ease-out-expo) both;margin-bottom:14px;padding:16px 18px;position:relative;overflow:hidden}.question-block:before{content:"";background:linear-gradient(180deg, var(--accent), var(--accent-2));width:4px;position:absolute;inset:0 auto 0 0}.question-block:hover{border-color:color-mix(in srgb, var(--accent) 50%, transparent);box-shadow:var(--shadow-card);transform:translateY(-3px)}.question-block-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.question-block-title{color:var(--accent-dark);background:var(--accent-bg);border-radius:99px;padding:4px 12px;font-size:12.5px;font-weight:800}.remove-question-btn{color:var(--berry);cursor:pointer;background:0 0;border:none;border-radius:9px;align-items:center;gap:4px;padding:5px 10px;font-size:12.5px;transition:background-color 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minmax(0, 1fr);gap:var(--workspace-gap);align-items:start;padding:16px;display:grid}.topnav{background:var(--surface-raised);border:1px solid var(--line);width:100%;height:calc(100svh - 32px);box-shadow:var(--shadow-soft);-webkit-backdrop-filter:none;border-radius:22px;flex-direction:column;grid-area:1/1;align-items:stretch;gap:22px;margin:0;padding:18px 14px;display:flex;position:sticky;top:16px}.topnav:before{display:none}.brand{border-bottom:1px solid var(--line);padding:2px 6px 16px}.brand-mark{width:42px;height:42px;box-shadow:none;border-radius:12px}.brand-name{font-size:18px}.brand-tagline{display:block}.topnav-links{flex-direction:column;flex:1;align-items:stretch;gap:5px;width:100%;min-width:0;padding:0 2px;display:flex;overflow:hidden auto}.topnav-links-scroll{flex-direction:column;align-items:stretch;gap:5px;width:100%;padding:0;display:flex;overflow:visible;-webkit-mask-image:none;mask-image:none}.topnav-links .nav-dropdown-wrap{width:100%}.sidebar-link-group+.sidebar-link-group{border-top:1px solid var(--line);margin-top:7px;padding-top:8px}.sidebar-link-group-label{color:var(--ink-faint);padding:2px 10px 6px;font-size:10.5px;font-weight:800}.topnav-links .nav-pill,.topnav-links .nav-pill span{display:inline-flex}.topnav-links .nav-pill span{text-overflow:ellipsis;min-width:0;overflow:hidden}.nav-pill{width:100%;min-height:44px;color:var(--ink-soft);border-radius:12px;justify-content:flex-start;padding:9px 12px;font-size:13px}.nav-pill:hover{background:var(--surface-muted);transform:none}.nav-pill.active,.nav-pill.dropdown-toggle.open{background:var(--accent-bg);color:var(--accent-dark);border-color:color-mix(in srgb, var(--accent) 24%, var(--line));box-shadow:none}.dropdown-chevron{margin-right:auto}.nav-dropdown{background:var(--surface-raised);border-color:var(--line);-webkit-backdrop-filter:none;min-width:230px;max-height:calc(100svh - 44px);box-shadow:var(--shadow-soft);top:0;right:calc(100% + 10px);overflow-y:auto}.topnav-actions{border-top:1px solid var(--line);grid-template-columns:42px minmax(0,1fr) 42px;gap:7px;width:100%;margin-top:auto;padding-top:14px;display:grid}.topnav-actions .nav-dropdown-wrap{grid-column:1}.topnav-actions .user-chip{grid-column:2;min-width:0}.topnav-actions .logout-btn{grid-column:3}.topnav-actions>.icon-btn:not(.logout-btn){grid-area:2/1/auto/-1;width:100%}.icon-btn{box-shadow:none}.user-chip{width:100%;min-width:0;box-shadow:none;background:0 0;border:0;padding:5px}.user-chip:hover{box-shadow:none;transform:none}.user-chip-name{text-overflow:ellipsis;white-space:nowrap;max-width:90px;overflow:hidden}.notif-popover{background:var(--surface-raised);border-color:var(--line);-webkit-backdrop-filter:none;box-shadow:var(--shadow-soft);top:auto;bottom:0;right:calc(100% + 10px)}.main{grid-area:1/2;width:100%;max-width:none;margin:0;padding:12px clamp(4px,2vw,24px) 64px}.page-transition{width:min(100%,1320px);margin-inline:auto;padding:12px 0 44px}.bottomnav{display:none}}@media (width<=900px){.app{padding:0;display:flex}.topnav,.bottomnav{background:var(--surface-raised);border-color:var(--line);-webkit-backdrop-filter:none;box-shadow:var(--shadow-soft)}.page-transition{padding-top:20px}}@media (width<=520px){.task-center{padding:16px}.task-center-head{align-items:center}.task-center-head p{display:block}.section-heading{align-items:center;margin-top:28px}.course-card-flat{min-height:132px}}