:root{--bg: #0b0e16;--panel: #161b29;--ink: #e8ecf5;--muted: #8a93ad;--accent: #ff6b6b}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-user-select:none;user-select:none;touch-action:none}.wrap{max-width:640px;margin:0 auto;padding:16px;text-align:center}h1{margin:8px 0 12px;font-size:28px;letter-spacing:1px;background:linear-gradient(90deg,#ff6b6b,#ffd166,#79d6ff);-webkit-background-clip:text;background-clip:text;color:transparent}.hud{display:flex;justify-content:space-between;gap:12px;font-weight:600;margin-bottom:8px;padding:8px 12px;background:var(--panel);border-radius:10px}.stage{position:relative;display:inline-block;line-height:0}canvas{width:100%;max-width:600px;height:auto;border-radius:12px;background:#10131c;cursor:crosshair;box-shadow:0 8px 30px #0006}.overlay{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:#080a12c7;border-radius:12px}.card{background:var(--panel);padding:24px 32px;border-radius:14px;line-height:1.4}.card .big{font-size:44px;font-weight:800;margin:6px 0;color:var(--accent)}.controls{display:flex;gap:10px;justify-content:center;margin-top:12px}button{background:var(--accent);color:#1a1010;border:none;padding:10px 18px;font-size:15px;font-weight:700;border-radius:10px;cursor:pointer;transition:transform .08s ease,filter .12s ease}button:hover{filter:brightness(1.08)}button:active{transform:translateY(1px)}#btnArcade{background:#79d6ff;color:#07222e}#btnFreeze{background:#3bb6e2;color:#042430}#btnFreeze:disabled{opacity:.45;cursor:not-allowed;filter:none}#freeze{color:#79d6ff}.hint{color:var(--muted);font-size:13px;margin-top:12px}