:root{--bg:#fbfaf7;--fg:#1d1d1b;--muted:#6b6a66;--line:#e4e1da;--card:#fff;--accent:#1f5f4a;--accent-soft:#e6f0ec;--warn:#8a5a00;--warn-soft:#fff4dc;--bad:#9b2c2c;--bad-soft:#fde8e8;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.top,.foot,main{max-width:960px;margin:0 auto;padding:0 16px}.top{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:16px;padding-top:20px;padding-bottom:12px;display:flex}.brand{color:var(--fg);letter-spacing:-.01em;font-size:20px;font-weight:700}.brand span{color:var(--accent)}nav{flex-wrap:wrap;gap:18px;display:flex}nav a{color:var(--muted)}main{min-height:60vh;padding-top:24px;padding-bottom:48px}.foot{border-top:1px solid 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(max-width:600px){h1{font-size:24px}.fields{grid-template-columns:1fr}}.demo h1{margin-bottom:8px}.stage{border:1px solid var(--line);background:var(--card);border-radius:14px;height:380px;margin:20px 0 8px;position:relative;overflow:hidden}.stage canvas{width:100%;height:100%;position:absolute;inset:0}.cast{text-align:center;white-space:nowrap;pointer-events:none;font-size:13px;line-height:1.25;transition:opacity .3s;position:absolute;transform:translate(-50%,14px)}.cast b{font-weight:600;display:block}.cast b,.cast span{background:#ffffffe0;border-radius:4px;padding:0 4px}.cast span{color:var(--muted);font-size:12px;display:inline-block}.cast.dim{opacity:.4}.cast.hidden{opacity:0}.cast.from b{color:var(--accent)}.cast-impostor b,.cast-impostor.from b{color:var(--bad)}.story{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:16px 18px}.story-head{justify-content:space-between;font-size:13px;display:flex}.story h2{margin:6px 0 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