/**
 * Mermaid图表样式
 * 
 * @package Starnight
 * @version 1.0.0
 */

/* 图表容器样式 */
.mermaid{
        overflow: hidden;
            padding: 0px;
    margin: 0px;
}

.mermaid-container {
    margin: 20px 0;
    padding: 0;
    clear: both;
}

/* 图表主体样式 */
.mermaid-chart {
    background: #fff;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    overflow-x: auto;
    transition: all 0.3s ease;
}

.mermaid-chart:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* 响应式SVG */
.mermaid-responsive {
    max-width: 100%;
    height: auto;
}

/* 移动端适配 */
.mermaid-mobile {
    overflow-x: scroll;
    -webkit-overflow-scrolling: touch;
}

.mermaid-mobile .mermaid-responsive {
    min-width: 600px;
}

/* 加载状态样式 */
.mermaid-loading {
    text-align: center;
    padding: 40px 20px;
    color: #6c757d;
    font-size: 14px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    position: relative;
}

.mermaid-loading::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #007bff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: mermaid-spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}

@keyframes mermaid-spin {
    to {
        transform: rotate(360deg);
    }
}

/* 错误状态样式 */
.mermaid-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 6px;
    padding: 15px;
    margin: 10px 0;
    font-size: 14px;
    text-align: center;
}

.mermaid-error i {
    margin-right: 8px;
    color: #dc3545;
}

/* 图表类型特定样式 */

/* 流程图样式优化 */
.mermaid-chart .flowchart-link {
    stroke: #007bff;
    stroke-width: 2px;
}

.mermaid-chart .node rect,
.mermaid-chart .node circle,
.mermaid-chart .node ellipse,
.mermaid-chart .node polygon {
    fill: #fff;
    stroke: #007bff;
    stroke-width: 2px;
}

.mermaid-chart .node .label {
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 序列图样式优化 */
.mermaid-chart .actor {
    fill: #007bff;
    stroke: #0056b3;
}

.mermaid-chart .actor-line {
    stroke: #6c757d;
    stroke-width: 1px;
}

.mermaid-chart .messageLine0,
.mermaid-chart .messageLine1 {
    stroke: #007bff;
    stroke-width: 2px;
}

.mermaid-chart .messageText {
    fill: #333;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* 甘特图样式优化 */
.mermaid-chart .grid .tick {
    stroke: #e9ecef;
    stroke-width: 1px;
}

.mermaid-chart .grid path {
    stroke-width: 0;
}

.mermaid-chart .today {
    fill: rgba(220, 53, 69, 0.2);
    stroke: #dc3545;
    stroke-width: 2px;
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    .mermaid-chart {
        background: #2d3748;
        border-color: #4a5568;
        color: #e2e8f0;
    }
    
    .mermaid-loading {
        background: #2d3748;
        border-color: #4a5568;
        color: #a0aec0;
    }
    
    .mermaid-chart .node .label {
        color: #e2e8f0;
    }
    
    .mermaid-chart .messageText {
        fill: #e2e8f0;
    }
}

/* 打印样式 */
@media print {
    .mermaid-container {
        break-inside: avoid;
        margin: 10px 0;
    }
    
    .mermaid-chart {
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .mermaid-loading {
        display: none;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .mermaid-chart {
        border-width: 2px;
        border-color: #000;
    }
    
    .mermaid-chart .flowchart-link {
        stroke: #000;
        stroke-width: 3px;
    }
    
    .mermaid-chart .node rect,
    .mermaid-chart .node circle,
    .mermaid-chart .node ellipse,
    .mermaid-chart .node polygon {
        stroke: #000;
        stroke-width: 3px;
    }
}

/* 动画效果 */
.mermaid-chart {
    opacity: 0;
    transform: translateY(20px);
    animation: mermaid-fade-in 0.5s ease forwards;
}

@keyframes mermaid-fade-in {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 工具提示样式 */
.mermaid-chart .tooltip {
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    pointer-events: none;
    z-index: 1000;
}

/* 缩放与默认字体大小 */
.mermaid {
    font-size: 12px; /* 默认更小的文本与图形 */
}

/* 交互缩放容器与工具栏 */
.mermaid-zoom {
    position: relative;
    overflow: hidden;
    padding: 8px;
    border: 1px dashed;
}

.mermaid-zoom-toolbar {
position: absolute;
    top: 10px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(2px);
    padding: 4px 8px;
    border: 1px solid #ddd;
    z-index: 2;
    margin-bottom: 6px;
}

.mermaid-zoom-toolbar button {
    font-size: 12px;
    line-height: 22px;              /* 与高度一致，消除基线偏差 */
    padding: 0 8px;                 /* 统一上下高度，左右留间距 */
    height: 22px;                   /* 固定高度确保垂直居中 */
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.mermaid-zoom-toolbar .scale {
    font-size: 12px;
    color: #555;
    display: inline-flex;
    align-items: center;
    height: 22px;                   /* 与按钮统一高度 */
    line-height: 22px;              /* 与高度一致，文本垂直居中 */
}

/* 拖拽时的样式反馈 */
.mermaid-zoom.dragging .mermaid-zoom-content {
    cursor: grabbing;
    user-select: none;
}
.mermaid-zoom .mermaid-zoom-content {
    cursor: grab;
    overflow: hidden; /* 移除滚动条 */
}

.mermaid-zoom-content svg {
    transform-origin: top left;
    transform: translate(var(--tx, 0px), var(--ty, 0px)) scale(var(--scale, 1));
}