:root{font-family:Inter,"Noto Sans TC","Microsoft JhengHei",sans-serif;color-scheme:dark;--bg-canvas:#090a0f;--bg-card:rgba(20,22,31,.78);--bg-card-hover:rgba(26,29,42,.92);--bg-glass:rgba(15,17,25,.78);--bg-pill:rgba(255,255,255,.07);--text-primary:#f5f5f7;--text-secondary:#9496a1;--text-muted:#777b8e;--border-subtle:rgba(255,255,255,.08);--border-hover:rgba(255,255,255,.22);--card-shadow:0 8px 30px rgba(0,0,0,.45);--card-shadow-hover:0 24px 48px rgba(0,0,0,.7)}
:root[data-theme=light]{color-scheme:light;--bg-canvas:#f5f5f7;--bg-card:#fff;--bg-card-hover:#fff;--bg-glass:rgba(255,255,255,.82);--bg-pill:rgba(0,0,0,.045);--text-primary:#1d1d1f;--text-secondary:#6e6e73;--text-muted:#73737b;--border-subtle:rgba(0,0,0,.07);--border-hover:rgba(0,0,0,.16);--card-shadow:0 4px 20px -2px rgba(0,0,0,.04),0 1px 3px rgba(0,0,0,.02);--card-shadow-hover:0 20px 38px -8px rgba(0,0,0,.09),0 4px 12px rgba(0,0,0,.04)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg-canvas);color:var(--text-primary)}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer;border:1px solid var(--border-subtle);background:var(--bg-pill);color:inherit;border-radius:10px;padding:9px 13px}button:hover{border-color:var(--border-hover)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #0ea5e9;outline-offset:4px}kbd{font:11px ui-monospace,monospace;color:var(--text-secondary);padding:2px 5px;border:1px solid var(--border-subtle);border-radius:4px}.shell{max-width:1280px;padding:18px 36px;margin:auto}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;gap:22px;margin-bottom:24px;border-bottom:1px solid var(--border-subtle)}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:750;letter-spacing:-.6px;white-space:nowrap}.brand-mark{display:grid;place-items:center;position:relative;font-weight:800;font-size:24px;border-radius:11px;width:36px;height:36px;background:#6366f1;color:white}.brand-mark span{position:absolute;right:7px;top:8px;width:7px;height:7px;background:#b7b9ff;border-radius:50%}.brand-owner{color:var(--text-muted);font-size:11px;font-weight:500;letter-spacing:0;border-left:1px solid var(--border-subtle);padding-left:11px;margin-left:4px}.search-trigger{min-width:230px;display:flex;justify-content:space-between;gap:32px;color:var(--text-secondary);font-size:12px;background:var(--bg-glass)}.controls{display:flex;gap:8px;align-items:center}.quiet{border-color:transparent;background:none;font-size:12px}.icon{font-size:17px;line-height:1;padding:9px}.theme-switch{display:flex;border:1px solid var(--border-subtle);border-radius:11px;padding:3px;background:var(--bg-glass)}.theme-switch button{border:0;background:none;padding:5px 9px;font-size:12px}.theme-switch button[aria-pressed=true]{background:var(--text-primary);color:var(--bg-canvas);font-weight:600;box-shadow:0 2px 5px #0001}.intro{margin:12px 0 16px;display:flex;align-items:baseline;justify-content:space-between;gap:16px}.intro h1{font-size:20px;letter-spacing:-.7px;line-height:1.4;margin:0;font-weight:700}.intro p{font-size:13px;color:var(--text-secondary);margin:0}.bento-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px}.bento-card{--accent:#8b5cf6;position:relative;isolation:isolate;display:flex;flex-direction:column;min-width:0;height:230px;padding:20px 24px;border:1px solid var(--border-subtle);border-radius:25px;background:var(--bg-card);box-shadow:var(--card-shadow);overflow:hidden;transition:background .2s,border-color .2s,transform .2s,box-shadow .2s;grid-column:span 4}.bento-card:before{content:"";z-index:-1;position:absolute;inset:10% 12% 12%;background:radial-gradient(ellipse at center,color-mix(in srgb,var(--accent) 12%,transparent),transparent 68%);opacity:.85}.bento-card:hover{background:var(--bg-card-hover);border-color:color-mix(in srgb,var(--accent) 50%,var(--border-subtle));box-shadow:var(--card-shadow-hover);transform:translateY(-3px)}.bento-card[data-id=nexus]{grid-column:span 7;height:260px}.bento-card[data-id=ai-html]{grid-column:span 5;height:260px}.bento-card[data-id=posts]{--accent:#f59e0b}.bento-card[data-id=ai-html]{--accent:#10b981}.bento-card[data-id=moodle]{--accent:#0ea5e9}.bento-card[data-id=admin]{--accent:#f43f5e}.card-top{display:flex;align-items:center;justify-content:space-between}.badge{display:inline-flex;align-items:center;gap:7px;font-size:11px;line-height:18px;padding:4px 9px;border-radius:20px;background:color-mix(in srgb,var(--accent) 10%,transparent);color:color-mix(in srgb,var(--accent) 85%,var(--text-primary));max-width:85%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.badge:before{content:"";width:5px;height:5px;flex-shrink:0;border-radius:50%;background:var(--accent)}.badge[data-healthy=false]:before{background:#a1a1aa}.launch-arrow{font-size:20px;color:var(--text-muted)}.visual{height:140px;flex:1;min-height:100px;display:flex;align-items:center;justify-content:center;color:var(--accent)}.visual svg{width:100%;max-width:320px;height:140px;overflow:visible}.card-caption h2{font-size:21px;line-height:1.35;font-weight:700;margin:0 0 5px;letter-spacing:-.4px}.card-caption p{font-size:14px;line-height:20px;margin:0;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.stroke{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.paper{fill:var(--bg-card);stroke:currentColor;stroke-width:1.5}.tint{fill:currentColor;opacity:.12}.orbit{transform-origin:160px 70px;animation:orbit 35s linear infinite}.bento-card:hover .float{transform:translateY(-4px)}.float{transition:transform .4s}.bento-card[hidden]{display:none}.bento-grid.learner .bento-card[data-id=posts],.bento-grid.learner .bento-card[data-id=moodle]{grid-column:span 6}footer{margin-top:20px;display:flex;justify-content:space-between;gap:14px;align-items:center;font-size:11px;color:var(--text-muted)}footer button{font-size:11px;border:0;padding:0;background:none;color:var(--text-muted)}.footer-dot{margin:0 10px}dialog{border:1px solid var(--border-hover);border-radius:20px;background:var(--bg-card-hover);color:var(--text-primary);width:min(560px,calc(100% - 32px));max-height:85vh;padding:25px;box-shadow:0 40px 100px #0006}dialog::backdrop{background:#050610a8;backdrop-filter:blur(9px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.dialog-head h2{font-size:20px;margin:0}.dialog-head button{font-size:22px;border:0;background:none;padding:0 5px}dialog p{font-size:14px;line-height:1.8}.hint{color:var(--text-secondary);font-size:12px!important}input{width:100%;border:1px solid var(--border-hover);background:var(--bg-canvas);border-radius:10px;padding:12px;color:inherit}label{display:block;font-size:13px;margin:14px 0 7px}.result-list{display:grid;gap:7px;margin:15px 0}.result-list a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px;border-radius:10px;font-size:14px}.result-list a:hover,.result-list a.selected{background:var(--bg-pill)}.result-list small{font-size:11px;color:var(--text-secondary)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.primary{background:#6366f1;color:white;border-color:#6366f1}#route-error{color:#fb7185}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;top:-100px;padding:12px;background:var(--bg-card);z-index:100}.skip:focus{top:10px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--bg-card-hover);border:1px solid var(--border-hover);padding:12px 20px;border-radius:14px;opacity:0;pointer-events:none;font-size:13px;transition:opacity .2s}#toast.show{opacity:1}@keyframes orbit{to{transform:rotate(360deg)}}@media(max-width:1000px){.brand-owner{display:none}.search-trigger{min-width:160px}.search-trigger kbd{display:none}.shell{padding:20px 24px}.controls{gap:4px}.card-caption h2{font-size:20px}.bento-card{padding:21px}.theme-switch span{display:none}}@media(max-width:740px){.shell{padding:10px 20px 25px}.topbar{gap:10px;height:auto;min-height:68px;flex-wrap:wrap;padding:10px 0 16px}.brand{font-size:20px}.search-trigger{order:3;width:100%}.search-trigger kbd{display:block}.intro{display:block;margin:26px 0 23px}.intro h1{margin-bottom:8px}.intro h1{font-size:25px}.controls .quiet{display:none}.bento-card,.bento-card[data-id=nexus],.bento-card[data-id=ai-html],.bento-grid.learner .bento-card[data-id=posts],.bento-grid.learner .bento-card[data-id=moodle]{grid-column:span 12;height:268px}.bento-grid{gap:16px}footer{flex-wrap:wrap;line-height:2}footer>span:nth-child(2){display:none}}@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important}}