:root{
      --bg:#0d0f12; --panel:#262a30; --ink:#e6edf3; --muted:#a9b1ba; --accent:#4aa3ff; --ok:#7ee787; --warn:#ffb86b;
    }
    html,body{height:100%;margin:0;background:var(--bg);color:var(--ink);font:14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji","Segoe UI Emoji"}
    .wrap{display:grid;grid-template-columns:320px 1fr;gap:16px;max-width:1400px;margin:16px auto;padding:0 16px;}
    .panel{background:var(--panel);border-radius:16px;padding:16px;box-shadow:0 6px 18px rgb(0 0 0 / 0.35)}
    h1{font-size:18px;margin:0 0 8px}
    .muted{color:var(--muted)}
    .row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
    .btn{appearance:none;border:none;border-radius:999px;padding:10px 14px;background:#222a33;color:var(--ink);cursor:pointer}
    .btn[disabled]{opacity:.5;cursor:not-allowed}
    .btn.primary{background:var(--accent);color:#08111f;font-weight:600}
    .btn.ok{background:var(--ok);color:#0c1b0c}
    .btn.warn{background:var(--warn);color:#2b1400}
    .kbd{background:#1f2630;border:1px solid #263040;border-radius:6px;padding:2px 6px}
    canvas{display:block;width:100%;height:100%;border-radius:18px;background:#0b1016}
    .legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-size:12px;margin-top:8px}
    .chip{display:inline-flex;align-items:center;gap:8px;background:#212832;border:1px solid #2a3442;border-radius:999px;padding:6px 10px}
    .dot{width:14px;height:14px;border-radius:50%}
    .dot.massS{background:#a78bfa}
    .dot.massM{background:#60a5fa}
    .dot.massL{background:#22d3ee}
    .dot.ball{background:#e6edf3}
    .hr{height:1px;background:#2a3442;margin:12px 0}
    .small{font-size:12px}
    .score{display:flex;gap:12px;align-items:baseline}
    .score b{font-size:28px}
    .list{margin:8px 0 0;padding-left:18px}
    .list li{margin:4px 0}