/* 红帽家 (RedhatFamily) Blog — 博客园风格主题 */
:root {
  --color-bg: #f5f5f5;
  --color-surface: #ffffff;
  --color-border: #e5e5e5;
  --color-text: #333;
  --color-muted: #999;
  --color-link: #2456ad;
  --color-link-hover: #cc3333;
  --color-accent: #cc3333;
  --color-sidebar-head: #4d6b96;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Helvetica Neue", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
}

a { color: var(--color-link); text-decoration: none; }
a:hover { color: var(--color-link-hover); text-decoration: underline; }

.container { width: 1100px; max-width: 100%; margin: 0 auto; padding: 0 16px; }

/* 顶部 */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.brand-name { font-size: 22px; font-weight: bold; color: #333; }
.brand-sub { color: var(--color-muted); font-size: 12px; }
.topnav a { margin-left: 16px; color: #555; font-size: 13px; }
.topnav a.active { color: var(--color-accent); font-weight: bold; }
.topnav .hi { margin-left: 16px; color: var(--color-muted); font-size: 13px; }

.searchbar { padding: 6px 16px 10px; }
.searchbar form { display: flex; gap: 6px; }
.searchbar input[type=search] {
  flex: 1; padding: 6px 10px; border: 1px solid #ccc; border-radius: 2px;
  font-size: 13px;
}
.searchbar button {
  padding: 6px 14px; background: #4d6b96; color: #fff;
  border: 0; border-radius: 2px; cursor: pointer;
}

/* 主布局 */
.layout {
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 20px;
  padding-top: 20px; padding-bottom: 40px;
  align-items: flex-start;
}
/* flash 提示横跨整行，不要把 content/sidebar 挤到错位 */
.layout > .alert { grid-column: 1 / -1; margin: 0; }
.content {
  background: #fff;
  padding: 20px 24px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  min-height: 400px;
}
.sidebar { display: flex; flex-direction: column; gap: 14px; }

/* 侧边栏卡片 */
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 2px;
}
.card h3 {
  margin: 0;
  padding: 8px 12px;
  font-size: 14px;
  font-weight: bold;
  color: #fff;
  background: var(--color-sidebar-head);
  border-bottom: 1px solid var(--color-border);
}
.card > *:not(h3) { padding: 8px 12px; }
.link-list { list-style: none; margin: 0; padding: 8px 12px; }
.link-list li { padding: 3px 0; font-size: 13px; }
.tagcloud { padding: 10px 12px; display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-block;
  padding: 2px 8px;
  background: #f0f3f7;
  border: 1px solid #e0e7ef;
  border-radius: 2px;
  font-size: 12px;
  color: var(--color-link);
}
.tag:hover { background: var(--color-link); color: #fff; text-decoration: none; }
.tag-inline { color: var(--color-muted); font-size: 12px; margin-right: 4px; }
.tag-inline:hover { color: var(--color-link-hover); }

.profile { display: flex; gap: 10px; align-items: center; }
.profile .avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: #e0e7ef; display: flex; align-items: center; justify-content: center;
}

/* 标题 */
.section-title {
  margin: 0 0 16px;
  padding-bottom: 8px;
  font-size: 18px;
  font-weight: bold;
  color: #333;
  border-bottom: 2px solid var(--color-accent);
}

/* 文章列表 */
.post-item {
  padding: 14px 0;
  border-bottom: 1px dashed #ddd;
}
.post-item:last-child { border-bottom: 0; }
.post-title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: bold;
}
.post-title a { color: #333; }
.post-title a:hover { color: var(--color-link-hover); }
.post-summary { margin: 6px 0; color: #555; font-size: 13px; }
.post-meta {
  margin-top: 6px;
  color: var(--color-muted);
  font-size: 12px;
}
.post-meta a { color: var(--color-muted); }
.post-meta a:hover { color: var(--color-link-hover); }
.post-meta span { margin-right: 4px; }

/* 文章详情 */
.post-detail { padding: 0 0 20px; }
.post-title-detail {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: bold;
  color: #333;
}
.post-body {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.85;
}
.post-tags {
  margin-top: 24px;
  padding: 10px 0;
  border-top: 1px dashed #ddd;
  font-size: 13px;
}
.prev-next {
  margin-top: 16px;
  display: flex; justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
}

/* Markdown 正文 */
.markdown-body h1, .markdown-body h2, .markdown-body h3,
.markdown-body h4, .markdown-body h5 {
  margin: 1.4em 0 0.6em;
  font-weight: bold;
  color: #222;
  border-bottom: 1px solid #eee;
  padding-bottom: 4px;
}
.markdown-body h1 { font-size: 22px; }
.markdown-body h2 { font-size: 19px; }
.markdown-body h3 { font-size: 17px; }
.markdown-body p { margin: 0.8em 0; }
.markdown-body blockquote {
  margin: 1em 0; padding: 8px 14px;
  border-left: 4px solid #d0d7de;
  background: #f6f8fa;
  color: #555;
}
.markdown-body pre {
  margin: 1em 0; padding: 12px 16px;
  background: #f6f8fa;
  border: 1px solid #e1e4e8;
  border-radius: 4px;
  overflow-x: auto;
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
}
.markdown-body code {
  font-family: Consolas, "Courier New", monospace;
  font-size: 13px;
  background: #f3f4f6;
  padding: 1px 5px;
  border-radius: 3px;
}
.markdown-body pre code { background: transparent; padding: 0; border-radius: 0; }
.markdown-body table { border-collapse: collapse; margin: 1em 0; }
.markdown-body table th, .markdown-body table td {
  border: 1px solid #ddd; padding: 6px 10px;
}
.markdown-body table th { background: #f6f8fa; }
.markdown-body img { max-width: 100%; }
.markdown-body ul, .markdown-body ol { padding-left: 1.8em; }

/* 评论 */
.comments {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 2px solid var(--color-accent);
}
.comments h3 { margin: 0 0 12px; font-size: 16px; }
.comment-list { list-style: none; margin: 0; padding: 0; }
.comment-item {
  padding: 12px 0;
  border-bottom: 1px dashed #ddd;
}
.comment-head .num {
  display: inline-block; padding: 0 6px;
  background: #f3f4f6; color: #666;
  border-radius: 2px;
  margin-right: 6px;
  font-size: 12px;
}
.comment-body {
  margin-top: 6px;
  white-space: pre-wrap;
  word-break: break-word;
}
.comment-form {
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 8px;
}
/* 评论提交后的内联消息 */
.inline-msg {
  padding: 8px 12px;
  border-radius: 3px;
  font-size: 13px;
  margin-bottom: 8px;
}
.inline-msg.success { background: #f0fff4; border: 1px solid #b7dfb9; color: #2f6f3a; }
.inline-msg.error { background: #fff5f5; border: 1px solid #f0c2c2; color: #a33; }

/* 新插入的评论短暂高亮 */
.comment-item.cm-new {
  animation: cmFlash 1.5s ease-out;
}
@keyframes cmFlash {
  0% { background: #fff8e1; box-shadow: 0 0 0 2px #ffeeba inset; }
  100% { background: transparent; box-shadow: none; }
}

/* 回复提示条 */
.reply-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: #fffaf3;
  border: 1px solid #f0e0c0;
  border-radius: 3px;
  font-size: 13px;
  color: #6b5d3a;
}
.reply-hint span#replyTarget { font-weight: 500; color: var(--color-accent); }

.guest-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
  padding: 10px 12px;
  background: #fafbfc;
  border: 1px solid #e5e7eb;
  border-radius: 3px;
}
.guest-fields label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: #555; }
.guest-fields input {
  padding: 5px 8px; border: 1px solid #ccc; border-radius: 2px; font: inherit; font-size: 14px;
}
.guest-fields p { grid-column: 1 / -1; margin: 0; }
.guest-fields .required { color: var(--color-accent); }
.guest-badge {
  display: inline-block;
  padding: 0 6px;
  background: #eef2f6;
  color: #888;
  font-size: 11px;
  border-radius: 2px;
  margin-left: 4px;
}
.guest-name { color: #555; }
/* 蜜罐：人类彻底看不见，机器人才会填 */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important; height: 1px !important;
  overflow: hidden !important;
}
@media (max-width: 600px) {
  .guest-fields { grid-template-columns: 1fr; }
}
.comment-form textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc; border-radius: 2px;
  font-family: inherit; font-size: 14px;
}
.comment-form button { align-self: flex-end; }

/* 表单 / 按钮 */
.btn {
  display: inline-block;
  padding: 6px 16px;
  background: #4d6b96; color: #fff;
  border: 0; border-radius: 2px;
  cursor: pointer; font-size: 13px;
  text-decoration: none;
}
.btn:hover { background: #3d5778; color: #fff; text-decoration: none; }
.btn-secondary { background: #888; }
.btn-secondary:hover { background: #666; }
.btn-block { display: block; width: 100%; text-align: center; margin-top: 8px; }
.btn.danger, .link-btn.danger { color: var(--color-accent); }
.link-btn {
  background: none; border: 0; cursor: pointer;
  color: var(--color-link); padding: 0; font: inherit;
}
.link-btn:hover { text-decoration: underline; }

/* 表单 */
.auth-page { max-width: 420px; margin: 0 auto; }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label, .edit-form label {
  display: flex; flex-direction: column; gap: 4px;
  font-size: 13px;
}
.auth-form input, .edit-form input, .edit-form textarea, .edit-form select {
  padding: 6px 8px;
  border: 1px solid #ccc; border-radius: 2px;
  font: inherit;
}
.auth-form .btn { align-self: flex-start; }

/* 提示 */
.alert {
  padding: 8px 12px;
  border-radius: 2px;
  margin-bottom: 12px;
  font-size: 13px;
}
.alert.success { background: #f0fff4; border: 1px solid #b7dfb9; color: #2f6f3a; }
.alert.error { background: #fff5f5; border: 1px solid #f0c2c2; color: #a33; }

/* 分页 */
.pagination {
  margin-top: 20px;
  display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap;
}
.pagination a, .pagination .cur {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid #ccc;
  background: #fff;
  font-size: 13px;
  color: var(--color-link);
  border-radius: 2px;
}
.pagination .cur {
  background: var(--color-accent);
  color: #fff; border-color: var(--color-accent);
}

/* 其它 */
.muted { color: var(--color-muted); }
.small { font-size: 12px; }
.empty {
  text-align: center;
  color: var(--color-muted);
  padding: 40px 0;
}
.empty.large { padding: 80px 0; font-size: 18px; }

/* ---- 新增组件 ---- */

/* 顶部导航的 CTA 按钮 */
.topnav a.cta {
  background: var(--color-accent);
  color: #fff;
  padding: 2px 10px;
  border-radius: 2px;
  margin-left: 10px;
}
.topnav a.cta:hover { background: #a52828; text-decoration: none; }

/* 置顶徽章 */
.post-item.pinned { background: #fffaf3; padding-left: 8px; }
.pin-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: normal;
  padding: 1px 6px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}

/* TOC */
.toc {
  margin: 16px 0;
  padding: 10px 14px;
  background: #f6f8fa;
  border: 1px solid #e1e4e8;
  border-radius: 4px;
  font-size: 13px;
}
.toc summary { cursor: pointer; font-weight: bold; color: #444; }
.toc ul { list-style: none; padding-left: 0; margin: 8px 0 0; }
.toc li { padding: 2px 0; }
.toc li.toc-l2 { padding-left: 0; }
.toc li.toc-l3 { padding-left: 18px; }
.toc li.toc-l4 { padding-left: 36px; color: var(--color-muted); }
.toc a { color: #555; }
.toc a:hover { color: var(--color-link-hover); }

/* 分享 */
.share-box {
  margin-top: 20px;
  padding: 10px 0;
  border-top: 1px dashed #ddd;
  font-size: 13px;
}
.share-btn {
  display: inline-block;
  padding: 3px 10px;
  margin-left: 6px;
  background: #f0f3f7;
  border: 1px solid #d8e0ea;
  border-radius: 2px;
  color: var(--color-link);
  font-size: 12px;
  cursor: pointer;
  font-family: inherit;
}
.share-btn:hover { background: var(--color-link); color: #fff; text-decoration: none; }

/* 相关推荐 */
.related {
  margin-top: 24px;
  padding: 12px 16px;
  background: #f9f9f9;
  border-left: 3px solid var(--color-accent);
}
.related h3 { margin: 0 0 8px; font-size: 14px; }
.related ul { margin: 0; padding-left: 20px; }
.related li { padding: 2px 0; font-size: 13px; }

/* 代码块复制按钮 */
.markdown-body pre.hljs .code-copy {
  position: absolute;
  top: 6px; right: 6px;
  background: rgba(255,255,255,0.85);
  border: 1px solid #d0d7de;
  border-radius: 2px;
  padding: 1px 8px;
  font-size: 11px;
  color: #555;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s;
}
.markdown-body pre.hljs:hover .code-copy { opacity: 1; }
.markdown-body pre.hljs .code-copy:hover { background: #fff; color: #000; }

/* 评论楼中楼 */
.comment-list.nested {
  list-style: none;
  margin: 8px 0 0 24px;
  padding: 0;
  border-left: 2px solid #eee;
  padding-left: 12px;
}
.comment-item.depth-1, .comment-item.depth-2, .comment-item.depth-3, .comment-item.depth-4 {
  background: #fafbfc;
}
.comment-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.comment-user { color: #333; }
.comment-head .link-btn { color: var(--color-muted); }
.comment-head .link-btn:hover { color: var(--color-link); }
.comment-head .link-btn.danger { color: #b94c4c; }
.comment-head .link-btn.danger:hover { color: #cc3333; }
.reply-hint {
  padding: 6px 10px;
  background: #fffaf3;
  border: 1px solid #f0e0c0;
  border-radius: 2px;
  font-size: 13px;
}

/* 编辑器 */
.content-wide { /* 给编辑器更多宽度 */ }
.editor-toolbar {
  display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
  padding: 6px 8px;
  background: #f6f8fa;
  border: 1px solid #d0d7de;
  border-bottom: 0;
  border-radius: 2px 2px 0 0;
  margin-top: 8px;
}
.editor-toolbar button {
  padding: 3px 9px;
  background: #fff;
  border: 1px solid #d0d7de;
  border-radius: 2px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  color: #333;
}
.editor-toolbar button:hover { background: #eef2f6; }
.editor-toolbar .spacer { flex: 1; }
.editor-toolbar .preview-switch { font-size: 12px; color: #555; }
.editor-pane {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.editor-pane.no-preview { grid-template-columns: 1fr; }
.editor-pane.no-preview .preview { display: none; }
.editor-pane textarea {
  border: 1px solid #d0d7de;
  border-right: 0;
  border-radius: 0 0 0 2px;
  padding: 12px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 14px;
  line-height: 1.6;
  resize: vertical;
  min-height: 480px;
}
.editor-pane .preview {
  border: 1px solid #d0d7de;
  border-radius: 0 0 2px 0;
  padding: 12px 16px;
  background: #fff;
  overflow: auto;
  max-height: 720px;
}
.edit-form .row { display: flex; gap: 12px; }
.edit-form .col { flex: 1; }
.edit-form .col.cb { display: flex; align-items: center; gap: 6px; flex-direction: row; }

/* 个人主页 */
.profile-head {
  display: flex; gap: 20px; align-items: center;
  padding: 18px;
  background: linear-gradient(135deg, #f5f7fb, #e9eef5);
  border-radius: 4px;
  margin-bottom: 18px;
}
.profile-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--color-sidebar-head);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; font-weight: bold;
}
.profile-meta h2 { margin: 0 0 4px; }
.profile-meta .bio { margin: 6px 0; color: #555; }
.profile-stats { margin-top: 8px; display: flex; gap: 16px; color: #444; font-size: 13px; }
.profile-stats strong { color: #222; }

.page-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.page-head .section-title { margin-bottom: 0; }

/* 草稿/筛选标签（与 admin 风格一致，供 /write 列表使用） */
.filter-tabs {
  display: flex; gap: 4px; margin: 0 0 12px;
  border-bottom: 1px solid var(--color-border);
}
.filter-tabs a {
  padding: 6px 14px;
  color: #555;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-size: 13px;
}
.filter-tabs a:hover { color: #cc3333; text-decoration: none; }
.filter-tabs a.active { color: #cc3333; border-bottom-color: #cc3333; font-weight: 600; }
.filter-tabs a.active.draft { color: #b27800; border-bottom-color: #b27800; }
.filter-tabs .muted { font-size: 12px; }

.admin-table tr.row-draft { background: #fffbf2; }
.admin-table tr.row-draft:hover { background: #fff5e0; }
.badge {
  display: inline-block; padding: 1px 6px; font-size: 11px;
  border-radius: 2px; margin-left: 6px; vertical-align: middle;
}
.badge-draft { background: #fff3cd; color: #856404; border: 1px solid #ffe69c; }

/* 分类总览页 */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 12px;
}
.category-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 14px 16px;
  color: inherit;
  transition: box-shadow 0.15s, transform 0.15s;
}
.category-card:hover {
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0,0,0,.06);
  transform: translateY(-1px);
  border-color: #cc3333;
}
.category-card .cat-name { font-size: 17px; font-weight: 600; color: #222; margin-bottom: 4px; }
.category-card .cat-slug { font-family: Consolas, monospace; }
.category-card .cat-desc { margin: 8px 0; color: #555; font-size: 13px; line-height: 1.5; }
.category-card .cat-count { color: #888; font-size: 12px; margin-top: 6px; }

/* 侧边栏 - 最近评论 */
.recent-comments { list-style: none; margin: 0; padding: 0; }
.recent-comments li {
  padding: 8px 0;
  border-bottom: 1px dashed #eee;
  font-size: 13px;
}
.recent-comments li:last-child { border-bottom: 0; }
.recent-comments .rc-meta { display: flex; justify-content: space-between; margin-bottom: 4px; }
.recent-comments .rc-user { color: #cc3333; font-size: 12px; }
.recent-comments .rc-snippet {
  display: block; color: #444; line-height: 1.5; margin: 2px 0;
}
.recent-comments .rc-snippet:hover { color: #cc3333; text-decoration: none; }

/* 侧边栏 - 网站统计 */
.site-stats {
  list-style: none; margin: 0; padding: 0;
}
.site-stats li {
  display: flex; justify-content: space-between;
  padding: 6px 0; border-bottom: 1px dashed #eee;
  font-size: 13px;
}
.site-stats li:last-child { border-bottom: 0; }
.site-stats li b { color: #cc3333; }

/* 评论 - 渲染为 Markdown 后 */
.comment-body.markdown-body { font-size: 14px; }
.comment-body.markdown-body p { margin: 4px 0; }
.comment-body.markdown-body code {
  background: #f3f4f6; padding: 1px 4px; border-radius: 2px;
  font-family: Consolas, monospace; font-size: 12px;
}
.comment-body.markdown-body blockquote {
  border-left: 3px solid #ddd; padding-left: 10px; color: #555; margin: 6px 0;
}
.comment-body.markdown-body a { color: #cc3333; }
.comment-hint { margin: 4px 0 8px; }

/* 错误页（404 / 500） */
.error-page {
  text-align: center;
  padding: 40px 20px;
}
.error-page .error-code {
  font-size: 64px; font-weight: bold; color: #cc3333;
  line-height: 1; margin-bottom: 10px;
  letter-spacing: 2px;
}
.error-page .error-message {
  font-size: 18px; color: #555; margin-bottom: 24px;
}
.error-page h3 { margin: 20px 0 10px; color: #333; }
.error-suggestions { list-style: none; padding: 0; max-width: 480px; margin: 0 auto; }
.error-suggestions li {
  padding: 8px 12px; background: #f7f9fc;
  border: 1px solid #e1e7ef; border-radius: 3px; margin-bottom: 6px;
  text-align: left;
}
.error-actions {
  margin-top: 24px;
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
}

/* 页脚 */
.footer {
  background: #fff;
  border-top: 1px solid var(--color-border);
  padding: 16px 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 12px;
}

/* 响应式 */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .topbar-inner { flex-direction: column; gap: 8px; }
  .topnav { display: flex; flex-wrap: wrap; }
  .topnav a { margin: 0 8px 0 0; }
}