#game-canvas {
            background: #000;
            border-radius: 8px;
            cursor: crosshair;
            display: block;
        }

        button {
            background: var(--accent);
            color: var(--bg);
            border: none;
            padding: 10px 20px;
            font-weight: bold;
            border-radius: 5px;
            cursor: pointer;
            width: 100%;
        }