:root{--accent: #d97757;--accent-deep: #bc5f3e;--accent-tint: rgba(217, 119, 87, .13);--display: "Spectral", Georgia, "Times New Roman", serif;--ui: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, monospace;--canvas: #efece3;--surface: #faf9f5;--surface-2: #ffffff;--ink: #211f1c;--ink-2: #57534b;--ink-3: #8c877c;--line: rgba(33, 31, 28, .1);--line-strong: rgba(33, 31, 28, .16);--shadow: 0 1px 2px rgba(33, 31, 28, .04), 0 12px 32px rgba(33, 31, 28, .06);--gold: #c79a3a;--silver: #9a958a;--bronze: #b08254;--good: #3aa76d;--danger: #c0392b;color-scheme:light;font-family:var(--ui);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media(prefers-color-scheme:dark){:root{--accent-deep: #e3895f;--canvas: #1d1b18;--surface: #262320;--surface-2: #2d2a26;--ink: #f4f1ea;--ink-2: #b8b2a6;--ink-3: #8a857a;--line: rgba(244, 241, 234, .1);--line-strong: rgba(244, 241, 234, .17);--shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 12px 32px rgba(0, 0, 0, .35);--good: #4cba80;--danger: #f0a99a;color-scheme:dark}}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--canvas);color:var(--ink);overflow-x:hidden}button,input,select{font:inherit;color:inherit}button{border:0;background:none;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}::selection{background:var(--accent-tint)}.page{width:min(1080px,calc(100% - 40px));margin:0 auto}.topbar{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--canvas) 86%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0}.wordmark{display:inline-flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em;font-size:1.06rem}.wordmark 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18px}.hero h1 .accent{color:var(--accent);font-style:italic}.hero p{font-size:clamp(1.05rem,2vw,1.2rem);line-height:1.6;color:var(--ink-2);margin:0;max-width:56ch;text-wrap:pretty}.arena-grid{display:grid;grid-template-columns:minmax(0,1fr) 326px;gap:20px;align-items:start}.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.arena{overflow:hidden}.stage{position:relative;aspect-ratio:16 / 10;background:radial-gradient(120% 120% at 50% 0%,color-mix(in srgb,var(--accent) 7%,var(--surface-2)),var(--surface-2));overflow:hidden}.stage video,.stage canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.stage canvas{pointer-events:none}.stage-empty{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:14px;text-align:center;padding:28px;color:var(--ink-3)}.stage-empty 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28px;font-size:1.02rem}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:18px}.step .idx{font-family:var(--display);font-size:1.5rem;font-weight:600;color:var(--accent);margin-bottom:14px}.step h3{margin:0 0 6px;font-size:1.08rem;font-weight:600}.step p{margin:0;color:var(--ink-2);font-size:.94rem;line-height:1.55}.lb-wrap{padding:56px 0 40px}.lb-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.lb{background:var(--surface);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.lb-row{display:grid;grid-template-columns:56px 1fr auto auto;align-items:center;gap:16px;padding:15px 22px;border-bottom:1px solid var(--line);transition:background .15s}.lb-row:last-child{border-bottom:0}.lb-row:hover{background:color-mix(in srgb,var(--accent) 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.you-tag{font-size:.74rem;color:var(--accent-deep);font-weight:600;margin-left:7px}.lb-meta{font-size:.82rem;color:var(--ink-3);white-space:nowrap}.lb-dur{font-size:.85rem;color:var(--ink-3);font-variant-numeric:tabular-nums}.lb-score{font-family:var(--display);font-size:1.5rem;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.lb-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:.85rem;color:var(--ink-3)}.lb-foot button{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:500;color:var(--ink-2);padding:6px 10px;border-radius:8px}.lb-foot button:hover{background:var(--line);color:var(--ink)}.foot{padding:30px 0 56px;border-top:1px solid var(--line);margin-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--ink-3);font-size:.85rem}@media(max-width:900px){.arena-grid,.steps{grid-template-columns:1fr}.nav .hide-sm{display:none}}@media(max-width:560px){.page{width:calc(100% - 28px)}.stage{aspect-ratio:3 / 4}.lb-row{grid-template-columns:38px 1fr auto;gap:12px;padding:13px 16px}.lb-dur{display:none}.hero{padding:38px 0 26px}}