/* Blog-specific styles — 复用 style.css 的 CSS 变量 */

/* ── 页面基础 ─────────────────────────────── */
body {
  background-color: var(--bg-primary, #ffffff);
  color: var(--text-primary, #333333);
  font-family: 'Outfit', 'LXGW WenKai TC', system-ui, -apple-system, sans-serif;
  line-height: 1.75;
  margin: 0;
  padding: 0;
}

/* ── 顶部导航 ─────────────────────────────── */
.blog-header {
  background: var(--toolbar-bg, #f8f8f8);
  border-bottom: 1px solid var(--border-color, #e5e5e5);
  padding: 0 24px;
  height: 40px;
  display: flex;
  align-items: center;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.blog-header a {
  color: var(--text-secondary, #717171);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
}

.blog-header a:hover { color: var(--accent, #007acc); }

.blog-header .blog-logo {
  font-weight: 700;
  color: var(--text-primary, #333);
  font-size: 14px;
}

.blog-header__spacer { flex: 1; }

.lang-toggle-btn {
  background: var(--bg-secondary, #f3f3f3);
  border: 1px solid var(--border-color, #e5e5e5);
  border-radius: 4px;
  color: var(--text-secondary, #717171);
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  font-family: inherit;
}

.lang-toggle-btn:hover {
  background: var(--btn-hover, rgba(0,0,0,0.06));
  color: var(--accent, #007acc);
}

/* ── 文章正文容器 ─────────────────────────── */
.blog-post {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

/* ── 标题 ─────────────────────────────────── */
.blog-post h1 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 8px;
  color: var(--text-primary, #333);
}

.blog-h1-icon {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}

.blog-post .post-meta {
  color: var(--text-secondary, #717171);
  font-size: 13px;
  margin-bottom: 40px;
  display: block;
}

.blog-post h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 48px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color, #e5e5e5);
}

.blog-post h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 28px 0 10px;
  color: var(--text-primary, #333);
}

.blog-post p { margin: 0 0 18px; }

.blog-post ul, .blog-post ol {
  margin: 0 0 18px;
  padding-left: 24px;
}

.blog-post li { margin-bottom: 6px; }

/* ── 代码块 ───────────────────────────────── */
.blog-post pre {
  background: var(--bg-editor, #1e1e2e);
  color: var(--text-editor, #cdd6f4);
  border-radius: 6px;
  padding: 16px 20px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.65;
  margin: 16px 0 4px;
}

.blog-post code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.875em;
}

.blog-post p code,
.blog-post li code,
.blog-post td code {
  background: var(--bg-secondary, #f3f3f3);
  color: var(--accent, #007acc);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.85em;
}

/* ── 「在编辑器中试试」按钮 ───────────────── */
.try-in-editor {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin: 4px 0 24px;
  padding: 7px 14px;
  background: var(--accent, #007acc);
  color: #fff !important;
  text-decoration: none !important;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.15s;
  line-height: 1;
}

.try-in-editor:hover { opacity: 0.82; }

/* ── 速查表 ───────────────────────────────── */
.blog-post table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 13.5px;
}

.blog-post th {
  background: var(--bg-secondary, #f3f3f3);
  text-align: left;
  padding: 8px 14px;
  border: 1px solid var(--border-color, #e5e5e5);
  font-weight: 600;
}

.blog-post td {
  padding: 7px 14px;
  border: 1px solid var(--border-color, #e5e5e5);
  vertical-align: top;
}

/* ── 信息提示块 ───────────────────────────── */
.tip {
  background: color-mix(in srgb, var(--accent, #007acc) 8%, transparent);
  border-left: 3px solid var(--accent, #007acc);
  border-radius: 0 5px 5px 0;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 14px;
}

/* ── 文章列表页 ───────────────────────────── */
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list li {
  border-bottom: 1px solid var(--border-color, #e5e5e5);
  padding: 22px 0;
}

.post-list li:last-child { border-bottom: none; }

.post-list a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent, #007acc);
  text-decoration: none;
}

.post-list a:hover { text-decoration: underline; }

.post-list .post-date {
  font-size: 12px;
  color: var(--text-secondary, #717171);
  margin-left: 8px;
}

.post-list p {
  margin: 6px 0 0;
  font-size: 14px;
  color: var(--text-secondary, #717171);
}

/* ── 页脚 ─────────────────────────────────── */
.blog-footer {
  border-top: 1px solid var(--border-color, #e5e5e5);
  text-align: center;
  padding: 24px;
  font-size: 13px;
  color: var(--text-secondary, #717171);
}

.blog-footer a { color: var(--accent, #007acc); text-decoration: none; }

/* ── 图表 iframe 预览 ─────────────────────── */
.diagram-preview {
  margin: 8px 0 12px;
  border: 1px solid var(--border-color, #e5e5e5);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  line-height: 0; /* 消除 iframe 底部空白 */
}

.diagram-preview iframe {
  width: 100%;
  height: 380px;
  border: none;
  display: block;
}

/* ── 响应式 ───────────────────────────────── */
@media (max-width: 600px) {
  .blog-post { padding: 28px 16px 64px; }
  .blog-post h1 { font-size: 1.55rem; }
  .blog-header { padding: 0 16px; gap: 12px; }
  .diagram-preview iframe { height: 300px; }
}