@font-face{font-family:Plus Jakarta Sans Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(data:font/woff2;base64,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) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Plus Jakarta Sans Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/plus-jakarta-sans-vietnamese-wght-normal-Bnh6xcKr.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Plus Jakarta Sans Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/plus-jakarta-sans-latin-ext-wght-normal-Ch-K9LVU.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Plus Jakarta Sans Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/plus-jakarta-sans-latin-wght-normal-BD2oGHtS.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--ink: #101c21;--ink-2: #47565c;--ink-3: #66757b;--line: #e3e8ea;--line-strong: #cdd5d8;--bg: #f6f8f8;--surface: #ffffff;--surface-2: #eff3f3;--hero: #0b2027;--primary: #0b7a63;--primary-hover: #086451;--primary-soft: #e0f3ee;--chart: #009a78;--good: #0d7a4f;--good-soft: #dff5e9;--warn: #8a5300;--warn-soft: #fdf0d8;--bad: #b3261e;--bad-soft: #fce8e6;--soon: #2f5bb5;--soon-soft: #e6edfb;--radius: 14px;--radius-sm: 9px;--shadow-1: 0 1px 2px rgba(16, 28, 33, .05), 0 2px 8px rgba(16, 28, 33, .05);--shadow-2: 0 4px 10px rgba(16, 28, 33, .06), 0 14px 32px rgba(16, 28, 33, .12);--shadow-3: 0 18px 60px rgba(16, 28, 33, .28);--ease: cubic-bezier(.2, .7, .2, 1);--gutter: clamp(16px, 4vw, 48px);--header: 68px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header) + 12px)}body{margin:0;background:var(--bg);color:var(--ink);font:400 15px/1.55 Plus Jakarta Sans Variable,system-ui,-apple-system,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;line-height:1.2;letter-spacing:-.02em;font-weight:700}h1{font-size:clamp(26px,3.4vw,36px)}h2{font-size:20px}h3{font-size:14px}p{margin:0}a{color:var(--primary)}ul{margin:0;padding:0;list-style:none}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}img{max-width:100%}small{font-size:12px;color:var(--ink-3);font-weight:500}:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}input:not([type=checkbox]):not([type=range]),select,textarea{width:100%;padding:10px 12px;background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}input[type=checkbox],input[type=range]{accent-color:var(--primary)}textarea{resize:vertical;display:block}.muted{color:var(--ink-3)}.small{font-size:13px}.preserve{white-space:pre-wrap;overflow-wrap:anywhere}.error-text{color:var(--bad)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.skip-link{position:absolute;left:12px;top:-60px;z-index:100;padding:10px 14px;background:var(--surface);border-radius:var(--radius-sm)}.skip-link:focus{top:12px;box-shadow:var(--shadow-2)}.eyebrow{display:block;font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--primary);margin-bottom:4px}.eyebrow-light{color:#ffffffdb}.page-loading{display:grid;place-items:center;min-height:100vh;color:var(--ink-3)}.art-green{--art-a: #0f5f46;--art-b: #17906a}.art-amber{--art-a: #7a3d0a;--art-b: #bb6410}.art-blue{--art-a: #143f8a;--art-b: #2470c9}.art-rose{--art-a: #8c1f47;--art-b: #cb3d63}.art-violet{--art-a: #47298f;--art-b: #6f4bc4}.art-slate{--art-a: #1d3640;--art-b: #3c6070}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 16px;min-height:40px;border:1px solid transparent;border-radius:var(--radius-sm);font-weight:650;font-size:14px;text-decoration:none;white-space:nowrap;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .15s,border-color .15s}.btn:hover:not(:disabled){transform:translateY(-1px)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.55}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px #0b7a634d}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 6px 16px #0b7a6357}.btn-ghost{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.btn-ghost:hover:not(:disabled){border-color:var(--ink-3);box-shadow:var(--shadow-1)}.btn-ghost.is-on{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-hover)}.btn-soft{background:var(--primary-soft);color:var(--primary-hover)}.btn-soft:hover:not(:disabled){box-shadow:var(--shadow-1)}.btn-glass{background:#ffffff29;color:#fff;border-color:#ffffff47;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.btn-glass:hover{background:#ffffff42}.btn-danger{background:var(--bad);color:#fff}.btn-sm{padding:6px 11px;min-height:34px;font-size:13px}.btn-lg{padding:13px 22px;min-height:48px;font-size:15px}.btn-icon{display:inline-grid;place-items:center;width:34px;height:34px;background:none;border:0;border-radius:8px;color:var(--ink-2);transition:background .15s,color .15s}.btn-icon:hover{background:var(--surface-2);color:var(--ink)}.btn-icon-danger:hover{background:var(--bad-soft);color:var(--bad)}.link-btn{padding:2px 0;background:none;border:0;color:var(--primary);font-weight:600;font-size:13px}.link-btn:hover{text-decoration:underline}.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:650;white-space:nowrap}.chip-lg{padding:6px 13px;font-size:13px}.chip-good{background:var(--good-soft);color:var(--good)}.chip-warn{background:var(--warn-soft);color:var(--warn);white-space:normal}.chip-soon{background:var(--soon-soft);color:var(--soon)}.chip-muted{background:var(--surface-2);color:var(--ink-2)}.chip-glass{background:#00000047;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.chip-active{background:var(--primary-soft);color:var(--primary-hover);border:0;padding:5px 11px}.chip-active:hover{background:#cdeae2}.logo{display:inline-flex;align-items:center;gap:8px;font-size:19px;font-weight:800;letter-spacing:-.03em;color:var(--ink);white-space:nowrap}.logo-accent{color:var(--primary);margin-left:-8px}.logo-mark{display:inline-grid;place-items:center;width:28px;height:28px;background:var(--primary);color:#fff;border-radius:8px}.logo-mark svg{width:22px;height:22px}.logo-light{color:#fff}.logo-light .logo-accent{color:#6fe0c6}.site-header{position:sticky;top:0;z-index:40;background:#ffffffe0;-webkit-backdrop-filter:saturate(160%) blur(14px);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid transparent;transition:box-shadow .2s,border-color .2s}.site-header.is-scrolled{border-color:var(--line);box-shadow:var(--shadow-1)}.site-header a{text-decoration:none}.site-header-inner{display:flex;align-items:center;gap:22px;height:var(--header);padding:0 var(--gutter);max-width:1560px;margin:0 auto}.desktop-nav{display:flex;gap:2px}.desktop-nav a{padding:7px 12px;border-radius:8px;color:var(--ink-2);font-weight:600;font-size:14px;white-space:nowrap;transition:background .15s,color .15s}.desktop-nav a:hover{background:var(--surface-2);color:var(--ink)}.desktop-nav a.active{color:var(--primary-hover);background:var(--primary-soft)}.header-search{position:relative;flex:1;max-width:400px;margin-left:auto}.header-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--ink-3);pointer-events:none}.header-search input:not([type=checkbox]):not([type=range]){padding-left:36px;background:var(--surface-2);border-color:transparent;border-radius:99px}.header-search input:not([type=checkbox]):not([type=range]):focus{background:var(--surface);border-color:var(--primary)}.account{position:relative}.avatar{display:grid;place-items:center;width:38px;height:38px;padding:0;overflow:hidden;background:var(--hero);color:#fff;border:0;border-radius:50%;font-weight:700;transition:box-shadow .15s}.avatar:hover{box-shadow:0 0 0 3px var(--primary-soft)}.avatar img{width:100%;height:100%;object-fit:cover}.account-menu{position:absolute;right:0;top:calc(100% + 8px);width:260px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-2);animation:rise .16s var(--ease)}.account-who{padding:10px;border-bottom:1px solid var(--line);margin-bottom:4px;overflow-wrap:anywhere}.account-who strong,.account-who span{display:block}.account-who span{font-size:13px;color:var(--ink-3)}.account-menu a,.account-menu>button{display:flex;align-items:center;gap:9px;width:100%;padding:9px 10px;background:none;border:0;border-radius:8px;color:var(--ink);font-weight:550;font-size:14px;text-align:left}.account-menu a:hover,.account-menu>button:hover{background:var(--surface-2)}@keyframes rise{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.bottom-nav{display:none}.shell-main{min-height:calc(100vh - var(--header))}.page{display:flex;flex-direction:column;gap:34px;padding:28px var(--gutter) 64px;max-width:1560px;margin:0 auto}.page-narrow{max-width:860px}.page-overlap{margin-top:-56px;position:relative;z-index:2;padding-top:0}.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.page-head h1{margin-bottom:4px}.head-actions{display:flex;gap:8px}.back-link{display:inline-flex;align-items:center;gap:5px;margin-bottom:-18px;font-weight:600;font-size:13px;text-decoration:none}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);padding:22px}.panel>h2{margin-bottom:16px;font-size:17px}.notice{padding:12px 14px;background:var(--surface-2);border-radius:var(--radius-sm);font-size:14px}.notice svg{vertical-align:-2px}.notice-warn{background:var(--warn-soft);color:var(--warn)}.notice-error{background:var(--bad-soft);color:var(--bad)}.empty{padding:32px 20px;text-align:center;color:var(--ink-3)}.empty h3{margin-bottom:6px;font-size:15px;color:var(--ink)}.hero{position:relative;overflow:hidden;color:#fff;padding:clamp(36px,6vw,72px) var(--gutter) clamp(84px,9vw,116px);background:radial-gradient(90% 130% at 88% 12%,var(--art-b) 0%,transparent 62%),linear-gradient(115deg,var(--hero) 22%,var(--art-a) 100%)}.hero-inner{position:relative;max-width:1560px;margin:0 auto}.hero h1{font-size:clamp(32px,5.2vw,58px);font-weight:800;letter-spacing:-.035em;margin:6px 0 8px;max-width:18ch}.hero-lead{font-size:clamp(15px,1.6vw,18px);color:#ffffffe0;max-width:56ch}.hero-facts{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:14px;color:#ffffffeb;font-weight:600;font-size:14px}.hero-facts li{display:inline-flex;align-items:center;gap:6px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.hero-art{position:absolute;right:clamp(-60px,3vw,80px);top:50%;width:clamp(240px,34vw,460px);height:clamp(240px,34vw,460px);transform:translateY(-50%) rotate(-8deg);color:#ffffff21;pointer-events:none}.hero-loading{min-height:340px}.resume-card{display:flex;align-items:center;gap:18px;padding:20px 22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-2)}.resume-icon{flex:none;display:grid;place-items:center;width:54px;height:54px;background:var(--primary-soft);color:var(--primary);border-radius:14px}.resume-text{flex:1;min-width:0}.resume-text h2{font-size:17px;overflow-wrap:anywhere}.resume-text p{margin-top:5px;color:var(--ink-3);font-size:13px}.progress{height:6px;margin-top:8px;background:var(--surface-2);border-radius:4px;overflow:hidden}.progress i{display:block;height:100%;background:var(--chart);border-radius:4px;transition:width .5s var(--ease)}.row-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}.row-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:650;text-decoration:none;white-space:nowrap}.row-link svg{transition:transform .18s var(--ease)}.row-link:hover svg{transform:translate(3px)}.carousel{position:relative;margin:0 calc(var(--gutter) * -1)}.carousel-track{display:flex;gap:16px;padding:10px var(--gutter) 22px;overflow-x:auto;scroll-snap-type:x proximity;scroll-padding-left:var(--gutter);scrollbar-width:none;overscroll-behavior-x:contain}.carousel-track::-webkit-scrollbar{display:none}.carousel-track>*{scroll-snap-align:start;flex:none}.carousel-btn{position:absolute;top:calc(50% - 22px);z-index:3;display:grid;place-items:center;width:44px;height:44px;padding:0;background:var(--surface);border:1px solid var(--line);border-radius:50%;box-shadow:var(--shadow-2);color:var(--ink);opacity:0;transition:opacity .18s,transform .18s var(--ease)}.carousel:hover .carousel-btn,.carousel-btn:focus-visible{opacity:1}.carousel-btn:hover{transform:scale(1.08)}.carousel-prev{left:calc(var(--gutter) - 14px)}.carousel-next{right:calc(var(--gutter) - 14px)}.paper-card{display:flex;flex-direction:column;width:264px;padding:0;overflow:hidden;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .2s}.paper-card.is-fluid{width:100%}.paper-card:hover,.paper-card:focus-visible{transform:translateY(-5px);box-shadow:var(--shadow-2);border-color:transparent}.card-art{position:relative;display:block;height:128px;overflow:hidden;color:#fff;background:linear-gradient(130deg,var(--art-a),var(--art-b))}.card-art-icon{position:absolute;right:-12px;bottom:-18px;width:118px;height:118px;color:#ffffff47;transition:transform .4s var(--ease)}.paper-card:hover .card-art-icon{transform:scale(1.1) rotate(-5deg)}.card-badges{position:absolute;left:10px;top:10px;display:flex;gap:5px}.card-lock,.card-state{position:absolute;left:10px;bottom:10px;display:inline-flex;align-items:center;gap:4px;padding:2px 9px;background:#fffffff2;color:var(--ink);border-radius:99px;font-size:12px;font-weight:700}.card-play{position:absolute;right:12px;bottom:12px;display:grid;place-items:center;width:40px;height:40px;background:#fff;color:var(--ink);border-radius:50%;box-shadow:var(--shadow-2);opacity:0;transform:translateY(8px) scale(.9);transition:opacity .2s,transform .24s var(--ease)}.paper-card:hover .card-play,.paper-card:focus-visible .card-play{opacity:1;transform:none}.card-body{display:flex;flex-direction:column;gap:2px;padding:12px 14px 14px}.card-body strong{font-size:15px;letter-spacing:-.01em}.card-sub{font-size:13px;color:var(--ink-3)}.card-meta{display:flex;justify-content:space-between;gap:8px;margin-top:8px;font-size:12.5px;font-weight:600;color:var(--ink-2)}.card-meta span{display:inline-flex;align-items:center;gap:4px}.qual-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px}.qual-card{display:flex;flex-direction:column;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);color:inherit;text-decoration:none;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .2s}.qual-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:transparent}.qual-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.qual-icon{display:grid;place-items:center;width:42px;height:42px;background:var(--primary-soft);color:var(--primary);border-radius:11px}.qual-name{font-size:24px;font-weight:800;letter-spacing:-.03em}.qual-audience{font-size:13px;font-weight:600;color:var(--ink-3);margin-bottom:8px}.qual-desc{font-size:14px;color:var(--ink-2);flex:1}.qual-boards{display:flex;flex-wrap:wrap;gap:5px;margin:14px 0}.qual-boards span{padding:2px 8px;background:var(--surface-2);color:var(--ink-3);border-radius:6px;font-size:12px;font-weight:600}.qual-boards span.is-live{background:var(--primary-soft);color:var(--primary-hover)}.qual-foot{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--line);font-size:13px;font-weight:650}.qual-foot svg{color:var(--primary);transition:transform .18s var(--ease)}.qual-card:hover .qual-foot svg{transform:translate(4px)}.subject-tile{position:relative;display:flex;flex-direction:column;justify-content:flex-end;width:186px;height:134px;padding:14px;color:#fff;text-decoration:none;border-radius:var(--radius);background:linear-gradient(140deg,var(--art-a),var(--art-b));box-shadow:var(--shadow-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease),filter .2s}.subject-tile:hover{transform:translateY(-5px);box-shadow:var(--shadow-2)}.subject-tile>svg{margin-bottom:auto}.subject-tile.is-soon{filter:saturate(.45)}.subject-tile.is-soon:hover{filter:saturate(.8)}.subject-name{font-weight:700;line-height:1.25}.subject-meta{font-size:12px;color:#ffffffe6}.subject-lock{position:absolute;right:12px;top:12px}.topic-card{display:flex;flex-direction:column;gap:3px;width:248px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}.topic-card strong{line-height:1.3}.topic-card .btn{margin-top:auto;align-self:flex-start}.topic-card .card-sub{margin-bottom:10px}.topic-card .progress{margin:-4px 0 12px}.topic-icon{display:grid;place-items:center;width:36px;height:36px;margin-bottom:8px;border-radius:10px;color:#fff;background:linear-gradient(140deg,var(--art-a),var(--art-b))}dialog{color:inherit}dialog::backdrop{background:#0b20278c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.paper-dialog{position:fixed;width:min(640px,calc(100vw - 24px));max-height:calc(100vh - 32px);padding:0;border:0;border-radius:18px;background:var(--surface);box-shadow:var(--shadow-3);overflow:auto}.paper-dialog[open]{animation:rise .2s var(--ease)}.dialog-close{position:absolute;right:12px;top:12px;z-index:2;display:grid;place-items:center;width:36px;height:36px;padding:0;background:#00000059;color:#fff;border:0;border-radius:50%;transition:background .15s}.dialog-close:hover{background:#0000008c}.dialog-art{position:relative;overflow:hidden;padding:34px 24px 24px;color:#fff;background:linear-gradient(130deg,var(--art-a),var(--art-b))}.dialog-art h2{font-size:28px;font-weight:800}.dialog-art p{color:#ffffffeb;margin-top:3px}.dialog-pad{display:flex;flex-direction:column;gap:14px;padding:22px 24px 24px}.dialog-pad h3{margin-top:6px}.fact-row{display:flex;flex-wrap:wrap;gap:8px 18px;font-weight:600;font-size:14px}.fact-row li{display:inline-flex;align-items:center;gap:6px}.dialog-actions{display:flex;flex-wrap:wrap;gap:8px}.dialog-actions-end{justify-content:flex-end}.topic-marks li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px}.topic-marks li span:last-child{white-space:nowrap}.confirm-dialog{width:min(440px,calc(100vw - 24px));padding:24px;border:0;border-radius:16px;box-shadow:var(--shadow-3)}.confirm-dialog p{margin:10px 0 18px;color:var(--ink-2)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;padding:16px;background:#0b20278c;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.overlay-solid{background:var(--hero)}.overlay-card{width:min(460px,100%);padding:26px;background:var(--surface);border-radius:16px;box-shadow:var(--shadow-3);animation:rise .2s var(--ease)}.overlay-card p{margin:10px 0 18px;color:var(--ink-2)}.toasts{position:fixed;left:50%;bottom:84px;z-index:80;display:flex;flex-direction:column;gap:8px;width:min(480px,calc(100vw - 32px));transform:translate(-50%);pointer-events:none}.toast{padding:12px 16px;border-radius:var(--radius-sm);color:#fff;font-weight:600;font-size:14px;box-shadow:var(--shadow-2);animation:rise .18s var(--ease)}.toast-error{background:var(--bad)}.toast-ok{background:var(--ink)}.explore{gap:18px}.explore-layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:28px;align-items:start}.filters-desktop{position:sticky;top:calc(var(--header) + 14px);max-height:calc(100vh - var(--header) - 28px);overflow-y:auto;padding:4px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1)}.facet{margin:0;padding:14px 0;border:0;border-bottom:1px solid var(--line);min-width:0}.facet:last-child{border-bottom:0}.facet legend{padding:0;margin-bottom:7px;font-weight:700;font-size:13px}.facet-find{margin-bottom:7px;padding:6px 10px!important;font-size:13px}.facet-option{display:flex;align-items:center;gap:8px;padding:4px 6px;margin:0 -6px;border-radius:6px;font-size:13.5px;cursor:pointer;transition:background .12s}.facet-option:hover{background:var(--surface-2)}.facet-option.is-empty{opacity:.45;cursor:not-allowed}.facet-label{flex:1;min-width:0;overflow-wrap:anywhere;line-height:1.3}.facet-count{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}.results-bar{display:flex;align-items:center;gap:12px;margin-bottom:12px}.results-count{font-weight:650;font-size:14px}.filters-toggle{display:none}.sort{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:13px;color:var(--ink-3)}.sort select{width:auto;padding:6px 10px;font-size:13px}.active-chips{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:14px}.results-section{margin-bottom:30px}.results-section h2{display:flex;align-items:center;gap:7px;margin-bottom:12px;font-size:17px}.paper-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:16px}.topic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(232px,1fr));gap:14px}.topic-grid .topic-card{width:auto}.load-more{display:flex;justify-content:center;margin-top:20px}.soon-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}.soon-grid li{padding:11px 14px;background:var(--surface);border:1px dashed var(--line-strong);border-radius:var(--radius-sm)}.soon-grid strong,.soon-grid span{display:block}.soon-grid span{font-size:12.5px;color:var(--ink-3)}.filter-sheet{position:fixed;top:0;right:0;bottom:0;left:0;z-index:70;display:flex;flex-direction:column;background:var(--surface);animation:rise .2s var(--ease)}.filter-sheet-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}.filter-sheet-body{flex:1;overflow-y:auto;padding:0 16px}.filter-sheet-foot{display:flex;gap:10px;padding:12px 16px;border-top:1px solid var(--line)}.filter-sheet-foot .btn{flex:1}.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}.board-card{padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1)}.board-card h3{font-size:16px;margin-bottom:8px}.board-card li>*{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:6px 8px;margin:0 -8px;border-radius:6px;font-size:14px;color:var(--ink);text-decoration:none}.board-card li>a:hover{background:var(--surface-2)}.board-card .is-soon{color:var(--ink-3)}.form-panel{display:flex;flex-direction:column;gap:22px}.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field-label{font-weight:650;font-size:14px}.field-label small{margin-left:5px}.form-row{display:flex;flex-wrap:wrap;gap:18px}.segmented{display:inline-flex;flex-wrap:wrap;gap:2px;padding:3px;background:var(--surface-2);border-radius:10px;width:fit-content;max-width:100%}.segmented button{padding:6px 13px;background:none;border:0;border-radius:8px;font-size:13.5px;font-weight:600;color:var(--ink-2);transition:background .15s,box-shadow .15s}.segmented button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}.choice-chips{display:flex;flex-wrap:wrap;gap:6px}.choice{padding:6px 12px;background:var(--surface);border:1px solid var(--line-strong);border-radius:99px;font-size:13px;font-weight:550;transition:background .15s,border-color .15s,transform .15s}.choice:hover{border-color:var(--ink-3);transform:translateY(-1px)}.choice.on{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-hover)}.check-line{display:flex;align-items:center;gap:8px;font-size:14px}.form-foot{display:flex;justify-content:flex-end}input[type=range]{width:100%}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.stat{display:flex;flex-direction:column;min-width:0;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}.stat-icon{display:grid;place-items:center;width:34px;height:34px;margin-bottom:10px;background:var(--primary-soft);color:var(--primary);border-radius:9px}.stat-label{font-size:13px;font-weight:600;color:var(--ink-3)}.stat-value{font-size:27px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.stat-note{font-size:12px;color:var(--ink-3)}.dash-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.dash-wide{grid-column:1 / -1}.chart{position:relative;touch-action:pan-y;min-height:220px}.chart-grid{stroke:var(--line);stroke-width:1}.chart-tick{fill:var(--ink-3);font-size:11px}.chart-line{fill:none;stroke:var(--chart);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}.chart-dot{fill:var(--chart);stroke:var(--surface);stroke-width:2;transition:r .12s}.chart-cross{stroke:var(--line-strong);stroke-width:1}.chart-tip{position:absolute;z-index:2;display:flex;flex-direction:column;width:max-content;max-width:220px;padding:7px 10px;background:var(--ink);color:#fff;border-radius:8px;font-size:12px;box-shadow:var(--shadow-2);transform:translate(-50%);pointer-events:none}.chart-tip span{color:#fffc}.week-bars{position:relative;display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:5px;height:170px;padding-bottom:22px;border-bottom:0}.week{display:flex;align-items:flex-end;height:100%}.week-track{position:relative;display:flex;align-items:flex-end;width:100%;height:100%;border-bottom:1px solid var(--line-strong)}.week-track i{display:block;width:100%;background:var(--chart);border-radius:4px 4px 0 0;transition:opacity .12s}.week-tip{position:absolute;left:50%;bottom:calc(100% - 26px);z-index:2;display:none;width:max-content;padding:6px 9px;background:var(--ink);color:#fff;border-radius:7px;font-size:12px;line-height:1.35;transform:translate(-50%);pointer-events:none}.week:first-child .week-tip{left:0;transform:none}.week:last-of-type .week-tip{left:auto;right:0;transform:none}.week:hover .week-tip{display:block}.week-axis{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;font-size:11px;color:var(--ink-3)}.score-bar{padding:7px 0;flex:1;min-width:0}.score-bar-head{display:flex;justify-content:space-between;gap:12px;font-size:14px}.score-bar-label{font-weight:600;min-width:0}.score-bar-label small{display:block;font-weight:500}.score-bar strong{font-variant-numeric:tabular-nums}.topic-row{display:flex;align-items:center;gap:12px}.table-wrap{position:relative;overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{padding:8px 10px;border-bottom:1px solid var(--line-strong);font-size:12px;font-weight:700;color:var(--ink-3);text-align:left;white-space:nowrap}.data-table td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table tbody tr{transition:background .12s}.data-table tbody tr:hover{background:var(--bg)}.data-table a:not(.btn){color:var(--ink);text-decoration:none}.data-table a:not(.btn):hover{text-decoration:underline}.data-table small{display:block}.data-table .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.data-table .center{text-align:center}.table-actions{display:flex;align-items:center;justify-content:flex-end;gap:2px;white-space:nowrap}.table-actions .btn{margin-right:4px}.access-check{width:18px;height:18px}.invite-form{margin-bottom:18px;max-width:460px}.invite-form>div{display:flex;gap:8px;margin-top:6px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.tool-card{display:flex;flex-direction:column;gap:3px;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1);color:inherit;text-decoration:none;transition:transform .24s var(--ease),box-shadow .24s var(--ease)}.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}.tool-card span{font-size:13px;color:var(--ink-3)}.login{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);min-height:100vh;background:var(--surface)}.login-pitch{display:flex;flex-direction:column;justify-content:center;gap:18px;padding:clamp(28px,6vw,80px);color:#fff;background:radial-gradient(90% 90% at 90% 10%,#17906a 0%,transparent 60%),var(--hero)}.login-pitch .logo{position:absolute;top:clamp(24px,4vw,40px)}.login-pitch h1{font-size:clamp(36px,5vw,60px);font-weight:800;letter-spacing:-.035em;max-width:13ch}.login-lead{font-size:17px;color:#ffffffdb;max-width:44ch}.login-points{display:flex;flex-direction:column;gap:10px;margin-top:6px}.login-points li{display:flex;align-items:center;gap:10px;font-weight:550}.login-points svg{flex:none;color:#6fe0c6}.login-panel{display:grid;place-items:center;padding:32px 20px}.login-box{display:flex;flex-direction:column;gap:14px;width:min(400px,100%)}.login-box h2{font-size:26px;font-weight:800}.btn-google{min-height:48px;background:var(--surface);border-color:var(--line-strong);color:var(--ink);box-shadow:var(--shadow-1)}.btn-google:hover{box-shadow:var(--shadow-2)}.dev-login{padding:12px 14px;border:1px dashed var(--line-strong);border-radius:var(--radius-sm)}.dev-login label{font-size:13px;font-weight:650}.dev-login>div{display:flex;gap:8px;margin-top:6px}.login-levels{display:flex;flex-direction:column;gap:7px;padding-top:16px;margin-top:6px;border-top:1px solid var(--line);font-size:14px}.login-levels p{display:flex;gap:7px}.login-levels svg{flex:none;margin-top:3px;color:var(--primary)}.player{min-height:100vh}.player-bar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:14px;padding:10px var(--gutter);background:#fffffff0;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}.player-bar a{text-decoration:none}.player-title{flex:1;min-width:0}.player-title strong,.player-title span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-title span{font-size:12.5px;color:var(--ink-3)}.save-state{display:inline-flex;align-items:center;gap:5px;font-size:13px;font-weight:600;white-space:nowrap;color:var(--ink-3)}.save-saved{color:var(--good)}.save-failed{color:var(--bad)}.save-banner{display:flex;align-items:center;gap:8px;padding:10px var(--gutter);background:var(--bad-soft);color:var(--bad);font-weight:600;font-size:14px}.save-banner svg{flex:none}.timer{padding:5px 12px;background:var(--hero);color:#fff;border-radius:9px;font-weight:700;font-variant-numeric:tabular-nums;font-size:16px}.timer.is-low{background:var(--bad)}.player-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px;align-items:start;padding:20px var(--gutter) 60px;max-width:1240px;margin:0 auto}.navigator{position:sticky;top:80px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-1)}.navigator h2{font-size:13px;margin-bottom:10px}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:5px}.tile{position:relative;height:36px;padding:0;background:var(--surface-2);border:1px solid transparent;border-radius:8px;font-weight:650;font-size:13px;transition:transform .12s,background .15s}.tile:hover{transform:translateY(-1px);border-color:var(--ink-3)}.tile.is-done{background:var(--good-soft);color:var(--good)}.tile.is-partial{background:var(--warn-soft);color:var(--warn)}.tile.is-current{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft)}.tile.is-flagged:after{content:"";position:absolute;right:3px;top:3px;width:7px;height:7px;background:var(--bad);border-radius:50%}.legend{display:flex;flex-direction:column;gap:4px;margin-top:12px;font-size:12px;color:var(--ink-3)}.legend li{display:flex;align-items:center;gap:6px}.tile-key{display:inline-block;width:12px;height:12px;border-radius:3px;background:var(--surface-2)}.tile-key.is-done{background:var(--good-soft);border:1px solid var(--good)}.tile-key.is-partial{background:var(--warn-soft);border:1px solid var(--warn)}.tile-key.is-flagged{background:var(--bad);border-radius:50%}.question-source{font-size:13px;font-weight:600;color:var(--ink-3);margin-bottom:12px}.paper{display:flex;flex-direction:column;gap:4px}.paper-img{display:block;width:100%;max-width:760px;height:auto;background:#fff}.part{padding:16px 0;border-top:1px solid var(--line)}.part:first-of-type{border-top:0}.part-head{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-bottom:10px}.part-label{padding:1px 9px;background:var(--hero);color:#fff;border-radius:6px;font-weight:700;font-size:13px}.flag-btn{display:inline-flex;align-items:center;gap:5px;margin-left:auto;padding:4px 10px;background:none;border:1px solid var(--line-strong);border-radius:7px;font-size:12.5px;font-weight:600;color:var(--ink-2);transition:background .15s,color .15s,border-color .15s}.flag-btn:hover{border-color:var(--ink-3)}.flag-btn.on{background:var(--bad-soft);color:var(--bad);border-color:var(--bad)}.answer-box{margin-top:12px}.final-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}.final-row label{flex:1;min-width:180px;font-size:13px;font-weight:600}.ticks{display:flex;flex-direction:column;gap:6px}.tick-option{display:flex;align-items:flex-start;gap:9px;padding:9px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);cursor:pointer;transition:background .12s,border-color .12s}.tick-option input{margin-top:4px}.tick-option:hover{border-color:var(--ink-3)}.tick-option.on{background:var(--primary-soft);border-color:var(--primary)}.choices{display:flex;flex-direction:column;gap:6px}.choice-option{display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);cursor:pointer;transition:border-color .15s,background .15s}.choice-option:hover{border-color:var(--ink-3)}.choice-option.on{background:var(--primary-soft);border-color:var(--primary)}.choice-option input[type=radio]{flex:none;width:18px;height:18px;margin:0;padding:0;box-shadow:none}.choice-letter{flex:none;width:18px;font-weight:700;color:var(--ink-3)}.choice-option>span:last-of-type{flex:1;min-width:0}.choices-letters{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}.choices-letters .choice-option{justify-content:center;gap:6px;padding:10px 4px;font-weight:700}.choices-letters .choice-option>span:last-of-type{flex:none}.choice-clear{align-self:flex-start;justify-self:start;margin-top:4px}.choices-letters .choice-clear{grid-column:1 / -1}.question-text{margin-bottom:12px;font-size:16px;line-height:1.55;white-space:pre-line}.passage{max-height:42vh;overflow-y:auto;padding:14px 16px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);font-size:15px;line-height:1.65}.passage p+p{margin-top:10px}.with-passage{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;margin-bottom:8px}@media (min-width: 1040px){.with-passage{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:24px;align-items:start}.with-passage .passage{position:sticky;top:76px;max-height:calc(100vh - 110px)}}.choice-note{grid-column:1 / -1}.choice-option input[type=checkbox]{flex:none;width:18px;height:18px;margin:0;padding:0;box-shadow:none}.with-paper{display:grid;grid-template-columns:minmax(0,1fr);gap:12px;margin-bottom:8px}.paper-page .paper-img{max-width:100%;border:1px solid var(--line);border-radius:var(--radius-sm)}.with-paper .part{padding:12px 0}.with-paper .part:first-of-type{border-top:1px solid var(--line)}@media (min-width: 1040px){.with-paper{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:24px;align-items:start}.with-paper .paper-page{position:sticky;top:76px}.with-paper .part:first-of-type{border-top:0;padding-top:0}}.matching{width:100%;border-collapse:collapse;font-size:14px}.matching th{padding:6px;text-align:left;font-size:13px}.matching td{padding:6px;border-top:1px solid var(--line)}.question-nav{display:flex;justify-content:space-between;gap:10px;padding-top:16px;border-top:1px solid var(--line)}.page-marking{gap:18px;max-width:1240px}.marking-summary{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px}.score-big{font-size:42px;font-weight:800;letter-spacing:-.03em;line-height:1.1}.score-big span{font-size:24px;color:var(--ink-3);font-weight:700}.score-big small{font-size:16px;font-weight:700;color:var(--ink-2);letter-spacing:0}.marking-summary .segmented{margin-top:10px}.summary-topics{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px 16px;align-content:start;max-height:220px;overflow-y:auto}.summary-topic{display:grid;grid-template-columns:1fr auto;gap:0 8px;font-size:13px}.summary-topic .progress{grid-column:1 / -1;margin-top:3px}.ai-status{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:12px;border-top:1px solid var(--line)}.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--line-strong);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;vertical-align:-2px;margin-right:4px}@keyframes spin{to{transform:rotate(360deg)}}.mark-buttons{display:inline-flex;flex-wrap:wrap;align-items:center;gap:3px;margin-left:auto}.mark-buttons button{min-width:34px;height:34px;padding:0 6px;background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;font-weight:650;transition:background .12s,border-color .12s,transform .12s}.mark-buttons button:hover{border-color:var(--ink-3);transform:translateY(-1px)}.mark-buttons button.on{background:var(--primary);border-color:var(--primary);color:#fff}.mark-buttons span{margin-left:4px}.reveal{margin-bottom:10px}.reveal summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--primary)}.reveal[open] summary{margin-bottom:8px}.mark-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;margin-top:10px}.mark-split h3{margin-bottom:6px}.your-answer{padding:11px 13px;background:var(--bg);border-radius:var(--radius-sm);font-size:14px;min-height:44px;overflow-wrap:anywhere}.tight{padding-left:16px;list-style:disc}.examiner{margin-top:10px;padding:11px 13px;background:var(--soon-soft);border-radius:var(--radius-sm);font-size:13.5px}.examiner p{margin-top:5px}.ai-box{margin-bottom:12px;padding:12px 14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm)}.ai-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.ai-why{flex:1;min-width:160px}.points{display:flex;flex-direction:column;gap:5px;margin:10px 0;font-size:13.5px}.points li{display:flex;gap:7px;border-radius:6px}.points li.is-flipped{outline:2px dashed var(--bad);outline-offset:1px}.point-btn{display:flex;gap:7px;width:100%;padding:0;background:none;border:0;text-align:left}.point-mark{flex:none;display:grid;place-items:center;width:20px;height:20px;border-radius:50%}.point-mark.met{background:var(--good-soft);color:var(--good)}.point-mark.unmet{background:var(--bad-soft);color:var(--bad)}.evidence{display:block;font-style:italic;color:var(--ink-2)}.ai-feedback{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-top:10px}.disagree-form{display:flex;flex-direction:column;gap:9px;margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:13px}.disagree-form label{font-weight:600}.disagree-form select{width:auto;display:block;margin-top:3px}.skeleton-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.skeleton{display:block;height:220px;border-radius:var(--radius);background:linear-gradient(100deg,var(--surface-2) 30%,var(--surface) 50%,var(--surface-2) 70%);background-size:300% 100%;animation:shimmer 1.4s infinite linear}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}@media (max-width: 1080px){.desktop-nav{display:none}.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom);background:#fffffff5;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--line)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 2px 7px;color:var(--ink-3);font-size:11.5px;font-weight:600;text-decoration:none}.bottom-nav a.active{color:var(--primary)}.shell-main{padding-bottom:66px}.header-search{max-width:none}.explore-layout{grid-template-columns:minmax(0,1fr)}.filters-desktop{display:none}.filters-toggle{display:inline-flex}.carousel-btn{display:none}.player-layout{grid-template-columns:minmax(0,1fr)}.navigator{position:static;padding:10px 12px}.tiles{display:flex;overflow-x:auto;scrollbar-width:none;padding:2px}.tile{flex:none;width:36px}.navigator h2,.legend{display:none}}@media (max-width: 720px){:root{--header: 60px}body{font-size:15px}.site-header-inner{gap:10px}.logo{font-size:0;gap:0}.logo-accent{display:none}.logo-light{font-size:19px;gap:8px}.logo-light .logo-accent{display:inline}.page{gap:26px;padding-top:20px}.page-overlap{padding-top:0}.panel{padding:16px}.resume-card{flex-wrap:wrap;padding:16px;gap:12px}.resume-icon{width:44px;height:44px}.resume-text{flex-basis:calc(100% - 60px)}.resume-card .btn{width:100%}.paper-card{width:228px}.card-art{height:108px}.subject-tile{width:156px;height:124px}.hero-art{opacity:.6;right:-70px}.hero-actions .btn{flex:1}.dash-grid{grid-template-columns:minmax(0,1fr)}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stat:last-child:nth-child(odd){grid-column:1 / -1}.stat-value{font-size:23px}.paper-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.paper-card.is-fluid .card-art{height:92px}.card-body{padding:10px 11px 12px}.card-meta{flex-wrap:wrap}.topic-grid{grid-template-columns:minmax(0,1fr)}.sort span{display:none}.login{grid-template-columns:minmax(0,1fr)}.login-pitch{padding:76px 20px 30px;position:relative}.login-pitch .logo{top:22px;left:20px}.data-table{font-size:13px}.data-table td,.data-table th{padding:9px 6px}.player-bar{flex-wrap:wrap;gap:8px;padding-top:8px;padding-bottom:8px}.player-title{order:5;flex-basis:100%}.player-bar>a{display:none}.save-state{margin-right:auto}.hide-sm{display:none}.player-layout{padding-top:12px;gap:12px}.marking-summary,.mark-split{grid-template-columns:minmax(0,1fr)}.mark-buttons{margin-left:0;width:100%}.flag-btn{margin-left:0}.question-nav .btn{flex:1}.week-bars{gap:3px}.topic-row{flex-wrap:wrap;gap:4px 12px}.toasts{bottom:76px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media (hover: none){.card-play{display:none}}