.mermaid {
    position: relative !important;
    overflow: hidden !important;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #fff;
    margin: 20px auto;
    min-height: 200px;
    width: 100%;
}

/* 透明容器 */
.mermaid-interactive-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    z-index: 1;
}

/* SVG样式 */
.mermaid-interactive-container svg {
    display: block;
    max-width: 100%;
    max-height: 100%;
    cursor: grab;
    user-select: none;
    transform-origin: center center;
    transition: transform 0.1s ease-out;
    pointer-events: auto;
}

.mermaid-interactive-container svg:active {
    cursor: grabbing;
}

/* 控制按钮容器 */
.mermaid-controls {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 8px;
    z-index: 100;
    opacity: 0.7;
    transition: opacity 0.2s;
    pointer-events: auto;
}

.mermaid-controls:hover {
    opacity: 1;
}

/* 控制按钮 */
.mermaid-btn {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid #ddd;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    color: #333;
    transition: all 0.2s;
    user-select: none;
}

.mermaid-btn:hover {
    background-color: #fff;
    box-shadow: 0 3px 6px rgba(0,0,0,0.15);
}

.mermaid-btn:active {
    transform: scale(0.95);
}

/* 下载按钮特殊样式 */
.mermaid-btn.download::after {
    content: "↓";
    font-weight: bold;
}

/* 复位按钮特殊样式 */
.mermaid-btn.reset::after {
    content: "↻";
}

/* 缩放指示器 */
.mermaid-zoom-info {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    color: #555;
    border: 1px solid #ddd;
    z-index: 99;
    pointer-events: none;
}

/* 双击提示 - 右下角 */
.mermaid-double-click-hint {
    position: absolute;
    bottom: 10px;
    right: 10px; /* 留出按钮区域 */
    background-color: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    color: #777;
    border: 1px solid #ddd;
    z-index: 99;
    pointer-events: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .mermaid-controls {
        top: 8px;
        right: 8px;
        gap: 6px;
    }
    
    .mermaid-btn {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }
    
    .mermaid-zoom-info,
    .mermaid-double-click-hint {
        font-size: 10px;
        padding: 3px 6px;
    }
    
    .mermaid-double-click-hint {
        bottom: 8px;
        right: 60px; /* 移动端稍微调整位置 */
    }
}