/* 
 * canvas-overlay.css
 * 用于控制 Canvas 叠加容器和内部 Canvas 的样式
 */

/* 确保外部容器不可拖拽和缩放 */
.canvas-overlay-container {
    position: absolute;
    pointer-events: none !important; /* 禁止容器接收鼠标事件 */
    user-select: none !important;
    resize: none !important;
    z-index: 25;
}

/* 确保内部 Canvas 可以接收鼠标事件 */
.canvas-overlay-container canvas {
    pointer-events: auto !important; /* 允许 Canvas 接收鼠标事件 */
    cursor: move;
    width: 100%;
    height: 100%;
}

/* 控制按钮样式 */
.canvas-control-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 20px;
    height: 20px;
    background-color: #ff4444;
    border-radius: 50%;
    color: white;
    text-align: center;
    line-height: 20px;
    cursor: pointer;
    z-index: 30;
    pointer-events: auto !important;
    user-select: none;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
    font-weight: bold;
    font-size: 14px;
}

.canvas-control-btn:hover {
    background-color: #ff6666;
}