canvas {
            border: 1px solid black;
            background-color: white;
        }
        .tools {
            margin-bottom: 10px;
            display: flex;
            gap: 10px;
        }
        .color-btn {
            width: 40px;
            height: 40px;
            border: 2px solid #333;
            border-radius: 50%;
            cursor: pointer;
            transition: transform 0.1s;
        }
        .color-btn:hover {
            transform: scale(1.1);
        }
        .color-btn.active {
            border-color: #fff;
            box-shadow: 0 0 8px rgba(0,0,0,0.6);
        }
        .red { background-color: #ff0000; }
        .orange { background-color: #ff7700; }
        .yellow { background-color: #d0ff00; }
        .green { background-color: #00ff00; }
        .blue-white { background-color: #00fbff; }
        .blue { background-color: #0000ff; }
        .violet { background-color: #5b0085; }
        .black { background-color: #000; }
        .white { background-color: white; }
        
        .Edit {
            background-color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }