/*!
 * Highlight.js GitHub theme + 飞书风格代码块容器
 *
 * 设计要点：
 *  - token 着色用 GitHub Light 配色（与 blog.css 的 --color-prettylights-syntax-* 一致）
 *  - 容器样式（背景/padding/圆角）由 .code-block 接管
 *  - blog.css 原有的 .markdown-body pre 样式作为兜底，当 JS 未执行时仍可读
 */

/* ============ highlight.js token 着色 ============ */

/* token 默认文字色（不设 background，让容器背景透出） */
.hljs{color:#24292e}

.hljs-doctag,.hljs-keyword,.hljs-meta .hljs-keyword,.hljs-template-tag,.hljs-template-variable,.hljs-type,.hljs-variable.language_{color:#d73a49}
.hljs-title,.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:#6f42c1}
.hljs-attr,.hljs-attribute,.hljs-literal,.hljs-meta,.hljs-number,.hljs-operator,.hljs-selector-attr,.hljs-selector-class,.hljs-selector-id,.hljs-variable{color:#005cc5}
.hljs-meta .hljs-string,.hljs-regexp,.hljs-string{color:#032f62}
.hljs-built_in,.hljs-symbol{color:#e36209}
.hljs-code,.hljs-comment,.hljs-formula{color:#6a737d}
.hljs-name,.hljs-quote,.hljs-selector-pseudo,.hljs-selector-tag{color:#22863a}
.hljs-subst{color:#24292e}
.hljs-section{color:#005cc5;font-weight:700}
.hljs-bullet{color:#735c0f}
.hljs-emphasis{color:#24292e;font-style:italic}
.hljs-strong{color:#24292e;font-weight:700}
.hljs-addition{color:#22863a;background-color:#f0fff4}
.hljs-deletion{color:#b31d28;background-color:#ffeef0}


/* ============ 飞书风格代码块容器 ============ */

.markdown-body .code-block {
  margin: 0 0 var(--base-size-16, 1rem);
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(27, 31, 35, 0.06), 0 2px 6px rgba(27, 31, 35, 0.04);
}

/* 顶栏 */
.markdown-body .code-block .code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
  padding: 0 12px 0 14px;
  background: #fafbfc;
  border-bottom: 1px solid #e1e4e8;
  user-select: none;
}

/* 三色点（macOS traffic lights） */
.markdown-body .code-block .code-traffic {
  display: inline-flex;
  gap: 6px;
  flex: 0 0 auto;
  width: 52px; /* 与语言名居中配合，保持三色点固定在左 */
}
.markdown-body .code-block .dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}
.markdown-body .code-block .dot-red    { background: #ff5f57; }
.markdown-body .code-block .dot-yellow { background: #febc2e; }
.markdown-body .code-block .dot-green  { background: #28c840; }

/* 语言名（居中） */
.markdown-body .code-block .code-lang {
  flex: 1 1 auto;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  color: #57606a;
  letter-spacing: 0.2px;
  font-family: var(--fontStack-sansSerif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
}

/* 复制按钮 —— 默认克制，hover 代码块时显现，点击有反馈 */
.markdown-body .code-block .code-copy {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 5px;
  min-width: 56px;
  padding: 4px 10px;
  margin-right: -4px;
  border: 0;
  background: transparent;
  color: #6e7781;
  font-size: 12px;
  line-height: 1;
  font-family: var(--fontStack-sansSerif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  border-radius: 5px;
  cursor: pointer;
  opacity: 0.55;
  transition:
    background-color 0.18s ease,
    color 0.18s ease,
    opacity 0.18s ease,
    transform 0.08s ease;
}
/* hover 整个代码块时按钮显现（飞书/Notion 风格） */
.markdown-body .code-block:hover .code-copy,
.markdown-body .code-block .code-copy:focus-visible {
  opacity: 1;
}
/* 按钮 hover：浅灰底 + 文字加深 */
.markdown-body .code-block .code-copy:hover {
  background: #eaecef;
  color: #24292e;
  opacity: 1;
}
/* 按下微缩 */
.markdown-body .code-block .code-copy:active {
  transform: scale(0.96);
}
.markdown-body .code-block .code-copy:focus-visible {
  outline: 2px solid #0969da;
  outline-offset: -2px;
}
/* 已复制：绿色文字 + 浅绿底，反馈更强 */
.markdown-body .code-block .code-copy.is-copied,
.markdown-body .code-block .code-copy.is-copied:hover {
  color: #1a7f37;
  background: #dafbe1;
  opacity: 1;
}
/* 复制失败：红色文字 + 浅红底 */
.markdown-body .code-block .code-copy.is-failed,
.markdown-body .code-block .code-copy.is-failed:hover {
  color: #cf222e;
  background: #ffebe9;
  opacity: 1;
}
.markdown-body .code-block .code-copy .code-copy-icon {
  display: inline-flex;
  align-items: center;
  transition: transform 0.18s ease;
}
/* 已复制时图标轻微放大 */
.markdown-body .code-block .code-copy.is-copied .code-copy-icon {
  transform: scale(1.08);
}

/* 代码区：覆盖 blog.css 的 .markdown-body pre 圆角/外边距，让 figure 接管外观 */
.markdown-body .code-block pre {
  margin: 0;
  padding: 14px 16px;
  background: #f6f8fa;
  border-radius: 0;
  border: 0;
  font-size: 13px;
  line-height: 1.6;
  box-shadow: none;
  overflow-x: auto;
}
.markdown-body .code-block pre code {
  display: block;
  padding: 0;
  margin: 0;
  background: transparent;
  border: 0;
  font-size: 13px;
  line-height: 1.6;
  color: inherit;
  white-space: pre;
}

/* 移动端：缩小顶栏和代码字号 */
@media (max-width: 640px) {
  .markdown-body .code-block .code-header { height: 34px; padding: 0 8px 0 10px; }
  .markdown-body .code-block .code-lang { font-size: 11px; }
  .markdown-body .code-block .code-copy { font-size: 11px; padding: 4px 6px; }
  .markdown-body .code-block pre,
  .markdown-body .code-block pre code { font-size: 12px; }
  .markdown-body .code-block pre { padding: 12px; }
}

/* 深色模式预留（暂未启用，方便后续切换） */
@media (prefers-color-scheme: dark) {
  /*
  .markdown-body .code-block { background:#0d1117; border-color:#30363d; }
  .markdown-body .code-block .code-header { background:#161b22; border-bottom-color:#30363d; }
  .markdown-body .code-block .code-lang { color:#8b949e; }
  .markdown-body .code-block pre { background:#0d1117; }
  .markdown-body .code-block pre code,
  .hljs { color:#c9d1d9; }
  */
}


/* ============ Mermaid 图表容器 ============ */

/* 容器外观与 .code-block 视觉风格协调：白底 + 浅灰绘图区 */
.markdown-body .mermaid {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0 var(--base-size-16, 1rem);
  padding: 24px 20px;
  background: #f6f8fa;
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(27, 31, 35, 0.06), 0 2px 6px rgba(27, 31, 35, 0.04);
  overflow-x: auto;
  /* 防止 mermaid 文本源码在渲染前/失败时以 monospace 形式裸露显示 */
  font-family: var(--fontStack-sansSerif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif);
  line-height: 1.5;
}

/* 渲染产物 SVG 自适应宽度 */
.markdown-body .mermaid > svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 渲染失败兜底：mermaid 会在节点上追加 class，含 error 时显示为红色提示框 */
.markdown-body .mermaid.error,
.markdown-body .mermaid[data-mermaid-status="error"] {
  display: block;
  color: #cf222e;
  background: #ffebe9;
  border-color: #ffcecb;
  font-family: var(--fontStack-monospace, ui-monospace, SFMono-Regular, Menlo, Consolas, monospace);
  font-size: 13px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* 移动端：缩小内边距 */
@media (max-width: 640px) {
  .markdown-body .mermaid { padding: 16px 12px; }
}