/* ==================================
   Modern Markdown Theme
   适用于 .markdown-body 容器
   自动适配系统深色模式
   ================================== */

/* 基础容器 */
.markdown-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 16px;
  line-height: 1.6;
  color: #1f2d3d;
  background-color: #ffffff;
  word-wrap: break-word;
  scroll-behavior: smooth;
}

/* 深色模式自动适配 */
@media (prefers-color-scheme: dark) {
  .markdown-body {
    color: #e2e8f0;
    background-color: #0f172a;
  }
  .markdown-body code:not(pre code) {
    background-color: #1e293b;
    color: #f1f5f9;
  }
  .markdown-body pre {
    background-color: #0f172a;
    border: 1px solid #334155;
  }
  .markdown-body table tr:nth-child(2n) {
    background-color: #1e293b;
  }
  .markdown-body hr {
    background-color: #334155;
  }
  .markdown-body blockquote {
    border-left-color: #3b82f6;
    color: #94a3b8;
  }
}

/* 标题 */
.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  font-weight: 600;
  line-height: 1.25;
}

.markdown-body h1 { font-size: 2em; border-bottom: 1px solid #e2e8f0; padding-bottom: 0.3em; }
.markdown-body h2 { font-size: 1.5em; border-bottom: 1px solid #e2e8f0; padding-bottom: 0.3em; }
.markdown-body h3 { font-size: 1.25em; }
.markdown-body h4 { font-size: 1em; }
.markdown-body h5 { font-size: 0.875em; }
.markdown-body h6 { font-size: 0.85em; color: #4b5563; }

@media (prefers-color-scheme: dark) {
  .markdown-body h1,
  .markdown-body h2 {
    border-bottom-color: #334155;
  }
  .markdown-body h6 {
    color: #9ca3af;
  }
}

/* 段落 */
.markdown-body p {
  margin-bottom: 1em;
}

/* 链接 */
.markdown-body a {
  color: #3b82f6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border 0.2s ease;
}

.markdown-body a:hover {
  border-bottom-color: #3b82f6;
}

@media (prefers-color-scheme: dark) {
  .markdown-body a {
    color: #60a5fa;
  }
  .markdown-body a:hover {
    border-bottom-color: #60a5fa;
  }
}

/* 列表 */
.markdown-body ul,
.markdown-body ol {
  padding-left: 2em;
  margin-bottom: 1em;
}

.markdown-body li + li {
  margin-top: 0.25em;
}

.markdown-body li > ul,
.markdown-body li > ol {
  margin-top: 0.25em;
}

/* 任务列表 */
.markdown-body .task-list-item {
  list-style-type: none;
  margin-left: -1.2em;
}

.markdown-body .task-list-item input {
  margin-right: 0.5em;
}

/* 引用块 */
.markdown-body blockquote {
  margin: 0 0 1em;
  padding: 0 1em;
  color: #4b5563;
  border-left: 4px solid #3b82f6;
  background: transparent;
}

/* 代码块 (基础样式，配合 Prism.js / highlight.js 效果更佳) */
.markdown-body code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  background-color: #f1f5f9;
  border-radius: 6px;
}

.markdown-body pre {
  padding: 1rem;
  overflow: auto;
  font-size: 85%;
  line-height: 1.45;
  background-color: #f8fafc;
  border-radius: 12px;
  margin-bottom: 1em;
  border: 1px solid #e2e8f0;
}

.markdown-body pre code {
  padding: 0;
  background: none;
  font-size: 100%;
  border-radius: 0;
}

/* 表格 */
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
  display: block;
  overflow-x: auto;
}

.markdown-body th,
.markdown-body td {
  padding: 0.5rem 1rem;
  border: 1px solid #e2e8f0;
  text-align: left;
}

.markdown-body th {
  font-weight: 600;
  background-color: #f8fafc;
}

.markdown-body tr:nth-child(2n) {
  background-color: #f9f9fb;
}

/* 水平分割线 */
.markdown-body hr {
  height: 0.25em;
  padding: 0;
  margin: 1.5em 0;
  background-color: #e2e8f0;
  border: 0;
}

/* 图片 */
.markdown-body img {
  max-width: 100%;
  box-sizing: border-box;
  border-radius: 12px;
  display: block;
  margin: 1rem auto;
}

/* 脚注 (部分Markdown引擎支持) */
.markdown-body .footnotes {
  font-size: 0.9em;
  border-top: 1px solid #e2e8f0;
  margin-top: 2em;
  padding-top: 1em;
}

.markdown-body .footnote-ref {
  vertical-align: super;
  font-size: 0.75em;
}

/* 键盘标签 */
.markdown-body kbd {
  display: inline-block;
  padding: 0.2em 0.4em;
  font-size: 0.85em;
  font-family: monospace;
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  box-shadow: inset 0 -1px 0 #cbd5e1;
}

/* 小提示/警告 (如果使用扩展语法，例如 > [!NOTE] ) */
.markdown-body .callout {
  padding: 0.75rem 1rem;
  margin: 1rem 0;
  border-left: 4px solid;
  border-radius: 8px;
  background: #f8fafc;
}

.markdown-body .callout-note { border-left-color: #3b82f6; background: #eff6ff; }
.markdown-body .callout-warning { border-left-color: #f59e0b; background: #fffbeb; }
.markdown-body .callout-danger { border-left-color: #ef4444; background: #fef2f2; }

@media (prefers-color-scheme: dark) {
  .markdown-body .callout-note { background: #1e293b; }
  .markdown-body .callout-warning { background: #422006; }
  .markdown-body .callout-danger { background: #3b0c0c; }
}

/* 打印样式 */
@media print {
  .markdown-body {
    background: white;
    color: black;
    padding: 0;
    max-width: 100%;
  }
  .markdown-body a {
    text-decoration: underline;
  }
  .markdown-body pre,
  .markdown-body blockquote {
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }
}