*{margin:0;padding:0;box-sizing:border-box}body{background:#f7f7f7;font-family:Courier New,Courier,monospace;display:flex;justify-content:center;align-items:center;min-height:100vh;color:#535353}.container{text-align:center}h1{font-size:2rem;margin-bottom:.5rem;color:#535353}.subtitle{font-size:.9rem;margin-bottom:1.5rem;color:#757575}.game-wrapper{position:relative;display:inline-block;border:2px solid #535353;border-radius:4px;background:#fff}canvas{display:block}.game-over-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:hsla(0,0%,100%,.85);z-index:10}.game-over-text{font-size:1.8rem;font-weight:700;color:#535353;margin-bottom:.5rem}.final-score{font-size:1.2rem;color:#757575;margin-bottom:1rem}.restart-btn{padding:10px 30px;font-size:1rem;font-family:Courier New,Courier,monospace;background:#535353;color:#fff;border:none;border-radius:4px;cursor:pointer;transition:background .2s}.restart-btn:hover{background:#333}.score-bar{display:flex;justify-content:space-between;width:600px;max-width:100%;margin-top:.75rem;font-size:.85rem;color:#757575}.controls-info{margin-top:1rem;font-size:.8rem;color:#999}.start-overlay{position:absolute;top:0;left:0;right:0;bottom:0;display:flex;flex-direction:column;justify-content:center;align-items:center;background:hsla(0,0%,100%,.9);z-index:10;cursor:pointer}.start-text{font-size:1.2rem;color:#535353;animation:blink 1.2s ease-in-out infinite}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}