/* Mermaid 美化样式 */
.mermaid {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 20px 0;
  padding: 20px;
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  overflow-x: auto;
  transition: all 0.3s ease;
}

.mermaid:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.mermaid svg {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.1));
}

/* 暗色模式适配 */
[data-theme="dark"] .mermaid {
  background: var(--card-bg);
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

[data-theme="dark"] .mermaid:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

[data-theme="dark"] .mermaid svg {
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3));
}

/* 暗色模式下base主题的微调 */
[data-theme="dark"] .mermaid .node rect,
[data-theme="dark"] .mermaid .node circle,
[data-theme="dark"] .mermaid .node ellipse,
[data-theme="dark"] .mermaid .node polygon {
  fill: #2c3e50 !important;
  stroke: #58a6ff !important;
  stroke-width: 1px !important;
}

[data-theme="dark"] .mermaid .node .label,
[data-theme="dark"] .mermaid .nodeLabel,
[data-theme="dark"] .mermaid text {
  fill: #e6edf3 !important;
  color: #e6edf3 !important;
}

[data-theme="dark"] .mermaid .edgeLabel rect {
  fill: #21262d !important;
  stroke: #30363d !important;
}

[data-theme="dark"] .mermaid .edgeLabel .label {
  fill: #e6edf3 !important;
  color: #e6edf3 !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .mermaid {
    margin: 15px 0;
    padding: 15px;
  }
}