body {
            margin: 0;
            padding: 0;
            background: #000;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            font-family: 'Courier New', monospace;
            color: white;
        }
        
        .game-container {
            text-align: center;
        }
        
        canvas {
            border: 2px solid #333;
            background: #000;
        }
        
        .controls {
            margin-top: 10px;
            font-size: 14px;
        }
        
        .score {
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        .game-over {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: rgba(0, 0, 0, 0.8);
            padding: 20px;
            border: 2px solid #fff;
            display: none;
        }