:root{--off-white: #FAFAF9;--off-black: #1D1C1C;--blue: #0032BE;--nc-blue: #7BAFD4;--n-50: #F6F6F6;--n-100: #ECECEC;--n-200: #E3E3E3;--n-300: #D9D9D9;--n-500: #A3A3A3;--n-600: #6D6D6D;--n-800: #363636;--bg: var(--off-white);--surface: #FFFFFF;--surface-2: var(--n-50);--line: var(--n-200);--line-strong: var(--n-300);--text: var(--off-black);--muted: var(--n-600);--accent: var(--blue);--accent-ink: #FFFFFF;--accent-soft: #E8EEFB;--support: var(--nc-blue);--ok: #1F6B3A;--ok-soft: #E6F2EA;--warn: #8A5A00;--warn-soft: #FBF1DC;--bad: #A3221B;--bad-soft: #FBE9E7;--focus: #0032BE;--radius: 6px;--font: "Neue Montreal", "Helvetica Neue", Helvetica, Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #121212;--surface: #1B1B1B;--surface-2: #222222;--line: #303030;--line-strong: #3B3B3B;--text: #F2F2F0;--muted: #A3A3A3;--accent: #7BAFD4;--accent-ink: #0B1730;--accent-soft: #1C2A3D;--support: #7BAFD4;--ok: #7FD39B;--ok-soft: #16301F;--warn: #F0C46B;--warn-soft: #33290F;--bad: #FF9A92;--bad-soft: #3A1714;--focus: #7BAFD4;--mono-filter: invert(1);color-scheme:dark}}:root[data-theme=dark]{--bg: #121212;--surface: #1B1B1B;--surface-2: #222222;--line: #303030;--line-strong: #3B3B3B;--text: #F2F2F0;--muted: #A3A3A3;--accent: #7BAFD4;--accent-ink: #0B1730;--accent-soft: #1C2A3D;--support: #7BAFD4;--ok: #7FD39B;--ok-soft: #16301F;--warn: #F0C46B;--warn-soft: #33290F;--bad: #FF9A92;--bad-soft: #3A1714;--focus: #7BAFD4;--mono-filter: invert(1);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4{margin:0;font-weight:500;letter-spacing:-.02em;line-height:1.15}h1{font-size:clamp(28px,4vw,40px)}h2{font-size:22px}h3{font-size:17px;letter-spacing:-.01em}p{margin:0}a{color:var(--accent);text-underline-offset:3px}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:3px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.skip{position:absolute;left:-9999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:8px 12px;z-index:50}.skip:focus{left:8px}@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}.side{border-right:1px solid var(--line);padding:24px 16px;position:sticky;top:0;height:100vh;overflow-y:auto;background:var(--bg);display:flex;flex-direction:column;gap:20px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);padding:0 8px}.brand img,.brand svg{width:28px;height:28px}.brand-mark{width:28px;height:28px;display:block;filter:var(--mono-filter, none)}.brand b{font-weight:500;letter-spacing:-.03em;font-size:18px;display:block;line-height:1.1}.brand small{color:var(--muted);font-size:12px;letter-spacing:.02em}.nav{display:flex;flex-direction:column;gap:2px}.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:12px 10px 4px}.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius);color:var(--text);text-decoration:none;font-size:15px;min-height:40px}.nav a:hover{background:var(--surface-2)}.nav a[aria-current=page]{background:var(--accent-soft);color:var(--accent);font-weight:500}.nav svg{width:18px;height:18px;flex:none}.side-foot{margin-top:auto;font-size:13px;color:var(--muted);padding:0 8px;display:grid;gap:8px}.main{min-width:0}.topbar{display:none}.content{max-width:1180px;margin:0 auto;padding:40px 40px 80px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px;flex-wrap:wrap}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}.lede{color:var(--muted);max-width:64ch;margin-top:8px}@media(max-width:900px){.shell{grid-template-columns:1fr}.side{position:fixed;inset:0 auto 0 0;width:280px;z-index:40;transform:translate(-100%);transition:transform .2s;box-shadow:0 0 0 100vmax transparent}.side.open{transform:none;box-shadow:0 0 0 100vmax #00000059}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:30}.content{padding:24px 16px 64px}}.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px}.card.flat{background:transparent}.stack{display:grid;gap:16px}.stack-sm{display:grid;gap:8px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spread{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}@media(max-width:700px){.grid-2{grid-template-columns:1fr}}.muted{color:var(--muted)}.small{font-size:13px}.mono{font-family:var(--mono);font-size:13px}hr.rule{border:0;border-top:1px solid var(--line);margin:24px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--radius);border:1px solid var(--line-strong);background:var(--surface);color:var(--text);font-weight:500;cursor:pointer;text-decoration:none;font-size:15px}.btn:hover{border-color:var(--n-500)}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.primary:hover{filter:brightness(1.08)}.btn.ghost{border-color:transparent;background:transparent}.btn.danger{color:var(--bad)}.btn.sm{min-height:34px;padding:0 12px;font-size:14px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn svg{width:16px;height:16px}.field{display:grid;gap:6px}.field label{font-size:14px;font-weight:500}.input,select.input,textarea.input{width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface)}textarea.input{min-height:90px}.hint{font-size:13px;color:var(--muted)}.check{display:flex;gap:8px;align-items:center;min-height:32px}.check input{width:18px;height:18px;accent-color:var(--accent)}.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid var(--line);background:var(--surface-2);color:var(--muted);white-space:nowrap}.badge.req{border-color:var(--accent);color:var(--accent);background:transparent}.badge.ok{color:var(--ok);background:var(--ok-soft);border-color:transparent}.badge.warn{color:var(--warn);background:var(--warn-soft);border-color:transparent}.badge.bad{color:var(--bad);background:var(--bad-soft);border-color:transparent}.badge.info{color:var(--accent);background:var(--accent-soft);border-color:transparent}.notice{border-left:3px solid var(--accent);background:var(--accent-soft);padding:12px 16px;border-radius:0 var(--radius) var(--radius) 0}.notice.warn{border-color:var(--warn);background:var(--warn-soft)}.notice.bad{border-color:var(--bad);background:var(--bad-soft)}.notice.ok{border-color:var(--ok);background:var(--ok-soft)}.bar{height:6px;background:var(--n-100);border-radius:999px;overflow:hidden}:root[data-theme=dark] .bar{background:#2a2a2a}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .bar{background:#2a2a2a}}.bar>span{display:block;height:100%;background:var(--accent);border-radius:999px}.bar.support>span{background:var(--support)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em;padding:10px 12px;border-bottom:1px solid var(--line)}.table td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}.table-wrap{overflow-x:auto}.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:16px}@media(max-width:900px){.hero{grid-template-columns:1fr}}.next{background:var(--off-black);color:#fafaf9;border-radius:12px;padding:32px;display:grid;gap:16px;align-content:start}:root[data-theme=dark] .next{background:#22252c}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .next{background:#22252c}}.next .eyebrow{color:#a3a3a3}.next h2{font-size:clamp(24px,3vw,32px)}.next .btn.primary{background:#fafaf9;color:var(--off-black);border-color:#fafaf9;justify-self:start}.stages{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px}.stage{border-top:3px solid var(--n-300);padding-top:8px;font-size:13px;color:var(--muted)}.stage.done{border-color:var(--ok);color:var(--text)}.stage.now{border-color:var(--accent);color:var(--text);font-weight:500}.courses-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.track-nav{position:sticky;top:24px;display:grid;gap:8px}.track-tab{display:grid;gap:8px;text-align:left;width:100%;padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer}.track-tab[aria-selected=true]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.track-tab .t-title{display:flex;align-items:center;gap:8px;font-weight:500;font-size:16px}.track-tab .t-title svg{width:18px;height:18px;color:var(--accent)}.track-tab .t-purpose{font-size:13px;color:var(--muted)}@media(max-width:900px){.courses-layout{grid-template-columns:1fr}.track-nav{position:static;grid-template-columns:1fr 1fr;order:-1}}@media(max-width:420px){.track-nav{grid-template-columns:1fr}}.course-row{display:grid;grid-template-columns:1fr auto;gap:16px;padding:18px 20px;border:1px solid var(--line);border-radius:10px;background:var(--surface);align-items:center}.course-row h3{margin-bottom:4px}.course-meta{display:flex;gap:6px 14px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:6px}@media(max-width:600px){.course-row{grid-template-columns:1fr}}.classroom{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;align-items:start}.syllabus{position:sticky;top:24px;display:grid;gap:4px}.syllabus button,.syllabus a{display:flex;gap:10px;align-items:flex-start;text-align:left;padding:10px;border-radius:var(--radius);border:0;background:none;cursor:pointer;color:var(--text);width:100%;font-size:14px;text-decoration:none}.syllabus button[aria-current=step]{background:var(--accent-soft);color:var(--accent)}.syllabus svg{width:16px;height:16px;flex:none;margin-top:3px}@media(max-width:900px){.classroom{grid-template-columns:1fr}.syllabus{position:static}}.source{border:1px solid var(--line);border-radius:10px;background:var(--surface)}.source-head{display:flex;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;flex-wrap:wrap}.source-body{padding:20px;white-space:pre-wrap;font-size:15px;line-height:1.6;overflow-wrap:anywhere}.commentary{border-left:3px solid var(--support);padding:4px 0 4px 14px;color:var(--muted)}.timer{font-variant-numeric:tabular-nums;font-weight:500}.q{display:grid;gap:12px}.choice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:1px solid var(--line-strong);border-radius:var(--radius);cursor:pointer;background:var(--surface)}.choice:has(input:checked){border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.choice input{margin-top:4px;width:18px;height:18px;accent-color:var(--accent);flex:none}.choice.correct{border-color:var(--ok);background:var(--ok-soft)}.choice.wrong{border-color:var(--bad);background:var(--bad-soft)}.qnav{display:flex;gap:6px;flex-wrap:wrap}.qnav button{width:36px;height:36px;border-radius:var(--radius);border:1px solid var(--line-strong);background:var(--surface);cursor:pointer}.qnav button.answered{background:var(--accent-soft);border-color:var(--accent)}.qnav button[aria-current=step]{outline:2px solid var(--accent)}.manual-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start}.toc{max-height:calc(100vh - 140px);overflow-y:auto;padding:8px}.toc a{display:flex;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:var(--radius);text-decoration:none;color:var(--text);font-size:14px}.toc a:hover{background:var(--surface-2)}.toc a[aria-current=true]{background:var(--accent-soft);color:var(--accent)}.toc .pg{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}@media(max-width:900px){.manual-layout{grid-template-columns:1fr}.toc{max-height:320px}}mark{background:var(--accent-soft);color:inherit;padding:0 2px;border-radius:2px}.empty{text-align:center;padding:48px 16px;color:var(--muted)}.spinner{width:18px;height:18px;border:2px solid var(--line-strong);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--off-black);color:#fafaf9;padding:10px 16px;border-radius:var(--radius);z-index:60;font-size:14px;max-width:calc(100vw - 32px)}.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px 16px}.auth-card{width:100%;max-width:420px;display:grid;gap:20px}.copy-box{display:flex;gap:8px}.copy-box input{flex:1;font-family:var(--mono);font-size:12px}dialog{border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text);padding:24px;width:min(640px,calc(100vw - 32px))}dialog::backdrop{background:#0006}@media print{.side,.topbar,.no-print{display:none!important}.shell{display:block}.content{padding:0}.card{border:0;padding:0}}.jp-picks{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:6px 16px}.jp-board{display:grid;gap:8px}.jp-cat{background:var(--blue, #0032BE);color:#fff;font-weight:600;font-size:14px;line-height:1.25;padding:12px 8px;border-radius:10px;text-align:center;display:flex;align-items:center;justify-content:center;min-height:64px}.jp-cell{background:var(--accent-soft);color:var(--accent);border:1px solid transparent;border-radius:10px;font-size:clamp(20px,3vw,34px);font-weight:700;letter-spacing:-.02em;min-height:clamp(56px,9vh,96px);cursor:pointer;font-variant-numeric:tabular-nums}.jp-cell:hover:not(:disabled),.jp-cell:focus-visible{border-color:var(--accent);outline:none}.jp-cell.used{background:transparent;border:1px dashed var(--line, #ddd);cursor:default}.jp-cell.empty{visibility:hidden}.jp-teams{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}.jp-team{border:1px solid var(--line, #ddd);border-radius:12px;padding:10px;text-align:center}.jp-team.win{border-color:var(--accent);background:var(--accent-soft)}.jp-team-name{font-weight:600;display:flex;gap:6px;align-items:center;justify-content:center}.jp-score{font-size:32px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.jp-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0e1cb8;display:flex;align-items:center;justify-content:center;padding:16px;z-index:60}.jp-clue{background:var(--surface, #fff);color:var(--text);border-radius:16px;padding:clamp(16px,3vw,36px);width:min(980px,100%);max-height:100%;overflow:auto;display:flex;flex-direction:column;gap:16px}.jp-prompt{font-size:clamp(20px,2.6vw,30px);line-height:1.3;font-weight:500;margin:0}.jp-choices{list-style:none;padding:0;margin:0;display:grid;gap:8px}.jp-choices li{display:flex;gap:12px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line, #ddd);border-radius:10px;font-size:clamp(15px,1.7vw,20px)}.jp-choices li.correct{border-color:#1a7f4b;background:#1a7f4b1f;font-weight:600}.jp-choices li.dim{opacity:.45}.jp-letter{font-weight:700;color:var(--accent);min-width:1.4em}.jp-award{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;padding-top:8px;border-top:1px solid var(--line, #ddd)}.jp-cat{overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto}@media(max-width:640px){.jp-cat{font-size:10px;min-height:52px;padding:6px 3px;line-height:1.2}.jp-board{gap:4px}}.review-meter{height:8px;border-radius:99px;background:var(--surface-2);overflow:hidden}.review-meter span{display:block;height:100%;background:var(--accent);transition:width .25s ease}.review-q.approved{border-left:4px solid #1a7f4b}.review-q.rejected{border-left:4px solid #b42318;opacity:.85}@media(prefers-reduced-motion:reduce){.review-meter span{transition:none}}
