body{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;margin:0;background:#202028;color:#fff;font-family:sans-serif}.game-container{display:flex;gap:20px}.sidebar{display:flex;flex-direction:column;gap:20px}.preview-container,.info-container{padding:15px;border:2px solid #fff;border-radius:5px;background:#000;text-align:center}.preview-container h4,.info-container h4{margin:0 0 10px;font-weight:400;color:#888}#score,#level{font-size:1.5em;font-weight:700}canvas{border:1px solid #fff;background:#000}.controls{margin-top:1em}button{padding:1em 2em;margin:0 .5em;border:none;background:#333;color:#fff;cursor:pointer}button:active{background:#555}