:root{--bg: #f4f7fb;--surface: #ffffff;--surface-subtle: #f8fafc;--surface-strong: #eef2f7;--line: #d8e0eb;--line-strong: #aab7c8;--text: #1f2937;--text-dim: #64748b;--text-faint: #94a3b8;--accent: #2563eb;--accent-strong: #1d4ed8;--accent-soft: #e8f0ff;--p0: #e85d5d;--p1: #3b76f6;--wall: #566274;--legal: #0f8b78;--legal-soft: #dff4ef;--good: #0f8f66;--bad: #ca3f3f;--highlight: #f2bd3d;--shadow: 0 18px 45px rgba(24, 39, 75, .08);--cell: clamp(28px, 5.2vw, 58px);--gap: clamp(5px, .9vw, 10px);color-scheme:light}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;font-size:14px}body{min-width:0}button,input,select{font:inherit}button{color:inherit;cursor:pointer}button:disabled{cursor:not-allowed}.app-shell{width:100%;max-width:1480px;min-height:100vh;margin:0 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