:root{--bg: #0a0e27;--surface: #131736;--surface-2: #1b2147;--accent: #00c9a7;--accent-dim: #0a8a76;--text: #e4e7f1;--text-dim: #8a91b8;--danger: #ff5757;--warning: #ffb830;--border: #2a3166;--radius: 14px;--radius-sm: 8px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--space-8: 32px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .25);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--font-ui: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-num: "SF Mono", ui-monospace, "Roboto Mono", monospace;--ease: cubic-bezier(.22, 1, .36, 1);--press-scale: .96;--t-fast: .12s;--t-base: .2s}.fk-num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}.fk-btn{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:var(--radius-sm);padding:var(--space-3) var(--space-4);font-family:var(--font-ui);font-weight:600;cursor:pointer;transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}.fk-btn:active{transform:scale(var(--press-scale))}.fk-btn--primary{background:var(--accent);border-color:var(--accent);color:#03150f}.fk-btn--primary:active{background:var(--accent-dim)}@media (prefers-reduced-motion: reduce){.fk-btn{transition:none}}html,body{margin:0;padding:0;background:#0a0e27;height:100%;overflow:hidden;overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;font-family:system-ui,-apple-system,Segoe UI,sans-serif}#app{height:100%}#wrap{position:relative;height:100%;display:flex;align-items:center;justify-content:center}canvas{display:block;touch-action:none}#over{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#060919c7;backdrop-filter:blur(4px);transition:opacity .18s ease}#over.hidden{opacity:0;pointer-events:none}#over .panel{background:var(--surface, #141a36);border:1px solid var(--border, #2b3358);border-radius:var(--radius, 14px);padding:28px 36px;text-align:center;min-width:240px;box-shadow:0 18px 48px #00000080}.ov-title{color:var(--text-dim, #8a93b2);font-size:14px;font-weight:700;letter-spacing:.18em;margin-bottom:10px}.ov-score{color:var(--text, #e4e7f1);font-size:44px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}.ov-best{color:#00c9a7;font-size:14px;font-weight:700;margin-top:6px}.ov-stats{color:var(--text-dim, #8a93b2);font-size:12.5px;margin-top:10px}#retry{margin-top:20px;width:100%;padding:13px 0;font-size:16px;font-weight:800;color:#06251f;background:#00c9a7;border:none;border-radius:12px;cursor:pointer;transition:transform .08s ease}#retry:active{transform:scale(.96)}