/* === XML Visualization Cards === */

.xml-visualization-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #ffffff;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    margin: 12px 0;
    max-width: 100%;
    min-width: 0;
}

.xml-card-header {
    padding: 10px 14px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    user-select: none;
}

.xml-card-header i {
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.xml-card-content {
    padding: 16px;
    background: #ffffff;
    max-width: 100%;
    overflow-x: auto;
}

/* Mermaid specific styles */
.mermaid-card .xml-card-content {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100px;
}

.mermaid-card .xml-card-content svg {
    max-width: 100%;
    height: auto;
}

/* HTML Preview specific styles */
.html-preview-card {
    position: relative;
}

.html-preview-card .xml-card-content {
    padding: 0;
    height: 300px;
}

.html-preview-iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: #ffffff;
}

/* 全屏按钮 */
.xml-fullscreen-btn {
    position: absolute;
    top: 8px;
    right: 12px;
    width: 28px;
    height: 28px;
    border: none;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    z-index: var(--z-slide-menu);
}

.xml-fullscreen-btn:hover {
    background: #f1f5f9;
    color: #334155;
    transform: translateY(-1px);
}

/* 全屏状态 */
.xml-visualization-card.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    border-radius: 0;
    z-index: var(--z-fullscreen);
    display: flex;
    flex-direction: column;
}

.xml-visualization-card.fullscreen .xml-card-header {
    display: none;
}

.xml-visualization-card.fullscreen .xml-card-content {
    flex: 1;
    overflow: auto;
    padding: 20px;
}

.xml-visualization-card.fullscreen .html-preview-card .xml-card-content {
    height: auto;
}

.xml-visualization-card.fullscreen .html-preview-iframe {
    height: 100%;
}

/* Fallback content for errors */
.xml-fallback-content {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 12px;
    color: #475569;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .xml-visualization-card {
        margin: 8px 0;
        border-radius: 10px;
    }
    
    .xml-card-header {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .xml-card-content {
        padding: 12px;
    }
    
    .html-preview-card .xml-card-content {
        height: 250px;
    }
    
    .xml-fallback-content {
        font-size: 11px;
        padding: 10px;
    }
    
    .xml-fullscreen-btn {
        width: 24px;
        height: 24px;
        font-size: 11px;
    }
}

/* 隐藏 Mermaid 语法错误元素 */
.mermaid .error,
.mermaid svg .error,
.mermaid-error,
[id*="mermaid-"][id*="error"] {
    display: none !important;
}

/* 确保 Mermaid 错误提示不会破坏布局 */
.mermaid .error-icon,
.mermaid .error-text,
.mermaid .error-message {
    display: none !important;
}