:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:#0a0a0a;color:#fafafa;overflow:hidden}.game-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;position:relative}canvas{display:block;cursor:pointer}.score-display{position:absolute;top:2rem;left:50%;transform:translate(-50%);font-size:3rem;font-weight:700;color:#fff;text-shadow:0 2px 20px rgba(0,0,0,.8);z-index:10;pointer-events:none;font-variant-numeric:tabular-nums}.game-over-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:20;cursor:pointer}.game-over-overlay h1{margin:0 0 .5rem;font-size:2.5rem;font-weight:700;letter-spacing:-.02em}.game-over-overlay .final-score{font-size:1.2rem;color:#ffffffa6;margin-bottom:1.5rem}.game-over-overlay .tap-hint{font-size:.9rem;color:#ffffff73;animation:pulse 1.5s ease-in-out infinite}.start-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:20;cursor:pointer}.start-overlay h1{margin:0 0 .5rem;font-size:2.5rem;font-weight:700;letter-spacing:-.02em}.start-overlay .subtitle{font-size:1rem;color:#ffffff8c;margin-bottom:1.5rem}.start-overlay .tap-hint{font-size:.9rem;color:#ffffff73;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.45}50%{opacity:1}}