/* ==========================================================
   theme-modern.css — 博客全新主题
   zhupite.com 框架改造（参考 itbug.shop 风格）
   ========================================================== */

/* ---------- CSS 变量（设计令牌） ---------- */
:root {
  --color-primary: #725d42;
  --color-primary-light: #a08b6e;
  --color-primary-dark: #5a4834;
  --color-primary-bg: rgba(114, 93, 66, 0.08);
  --color-primary-border: rgba(114, 93, 66, 0.15);

  --color-bg: #f8f6f3;
  --color-bg-card: #ffffff;
  --color-bg-header: rgba(255, 255, 255, 0.9);
  --color-text: #2d2a24;
  --color-text-secondary: #7a756e;
  --color-text-muted: #a9a49c;
  --color-border: #e8e4de;
  --color-border-light: #f0ece6;

  --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Menlo, Monaco, Consolas,
    "Liberation Mono", monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 8px 24px rgba(114, 93, 66, 0.12);

  --header-height: 64px;
  --container-max: 1120px;
}

/* ---------- 暗色模式 ---------- */
html.dark {
  --color-bg: #1a1815;
  --color-bg-card: #24211d;
  --color-bg-header: rgba(26, 24, 21, 0.9);
  --color-text: #e8e4de;
  --color-text-secondary: #9e958a;
  --color-text-muted: #6b635a;
  --color-border: #35302a;
  --color-border-light: #2d2924;
  --color-primary-bg: rgba(114, 93, 66, 0.15);
  --color-primary-border: rgba(114, 93, 66, 0.25);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 24px rgba(114, 93, 66, 0.25);
}

/* ---------- 基础 ---------- */
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- 容器 ---------- */
.container {
  max-width: var(--container-max) !important;
  width: 100% !important;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
  margin-left: auto !important;
  margin-right: auto !important;
  box-sizing: border-box !important;
}

/* ---------- 网格系统（覆盖 Primer） ---------- */
.columns {
  display: flex !important;
  flex-wrap: wrap !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  gap: 1.5rem;
}
.columns > .column {
  padding-left: 0 !important;
  padding-right: 0 !important;
}
.column.two-thirds,
.column.three-fourths {
  width: 0 !important;
  flex: 1 1 0 !important;
  min-width: 0;
}
.column.one-third,
.column.one-fourth {
  width: 320px !important;
  flex: 0 0 320px !important;
}

@media (max-width: 50em) {
  .columns {
    flex-direction: column;
  }
  .column.one-third,
  .column.one-fourth {
    width: 100% !important;
    flex: none !important;
  }
}

/* ==================== 头部 ==================== */
.site-header {
  position: sticky !important;
  top: 0 !important;
  z-index: 100 !important;
  padding: 0 1rem !important;
  margin: 0 !important;
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  background: var(--color-bg-header) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header h1 {
  float: none !important;
  margin: 0 !important;
  font-size: 1.1rem !important;
  line-height: 1 !important;
  font-weight: 700 !important;
  white-space: nowrap;
}

.site-header h1 a {
  color: var(--color-text) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.site-header h1 .octicon-mark-github {
  display: none;
}
.site-header h1::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-right: 4px;
}

/* 导航 */
.site-header-nav {
  float: none !important;
  display: flex !important;
  align-items: center;
  gap: 0.25rem;
  margin: 0 !important;
}

.site-header-nav-item {
  display: inline-flex !important;
  align-items: center;
  padding: 0.4rem 0.8rem !important;
  margin: 0 !important;
  font-size: 0.875rem !important;
  font-weight: 600;
  color: var(--color-text-secondary) !important;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
  text-decoration: none !important;
}

.site-header-nav-item:hover {
  color: var(--color-primary) !important;
  background: var(--color-primary-bg);
  text-decoration: none !important;
}

.site-header-nav-item.selected {
  color: var(--color-primary) !important;
  background: var(--color-primary-bg);
  border-bottom: none !important;
  padding: 0.4rem 0.8rem !important;
}

/* 移动端汉堡 */
.collapsed {
  display: none !important;
}

/* ==================== 首页 Banner ==================== */
.banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary)) !important;
  padding: 3rem 0 !important;
  margin: 0 !important;
}
.banner .collection-head {
  background: none !important;
  box-shadow: none !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  padding: 0 !important;
  margin: 0 !important;
  color: #fff;
}
.banner .collection-head a {
  color: rgba(255, 255, 255, 0.85);
}
.banner .collection-header {
  font-size: 2rem !important;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 0.5rem;
}
.banner .collection-info {
  font-size: 0.875rem;
  opacity: 0.9;
}
.banner .collection-info .meta-info {
  margin-right: 1rem;
  font-size: 0.85rem;
}

/* ==================== 文章卡片网格（首页） ==================== */
.repo-list {
  display: grid !important;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding: 0 !important;
  margin: 0 !important;
}
.repo-list-item {
  list-style: none !important;
  padding: 1.5rem !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  position: relative;
  border-top: 3px solid var(--color-primary);
  overflow: hidden;
}
.repo-list-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  opacity: 0.4;
}
.repo-list-item:nth-child(6n+2)::before { background: #e67e22; opacity: 0.5; }
.repo-list-item:nth-child(6n+3)::before { background: #27ae60; opacity: 0.5; }
.repo-list-item:nth-child(6n+4)::before { background: #8e44ad; opacity: 0.5; }
.repo-list-item:nth-child(6n+5)::before { background: #2980b9; opacity: 0.5; }
.repo-list-item:nth-child(6n+6)::before { background: #d35400; opacity: 0.5; }

.repo-list-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-border);
}

.repo-list-name {
  margin: 0 0 0.75rem !important;
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  line-height: 1.4;
}
.repo-list-name a {
  color: var(--color-text) !important;
  text-decoration: none !important;
  transition: color 0.2s;
}
.repo-list-name a:hover {
  color: var(--color-primary) !important;
}

.top-most-flag {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  margin-right: 0.4rem;
  vertical-align: middle;
}

.repo-list-description {
  margin: 0 0 1rem !important;
  font-size: 0.85rem !important;
  line-height: 1.7;
  color: var(--color-text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.repo-list-meta {
  margin: 0 !important;
  font-size: 0.78rem !important;
  color: var(--color-text-muted) !important;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.repo-list-meta .meta-info {
  margin: 0 !important;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.repo-list-meta .meta-info .octicon {
  font-size: 0.85rem;
}
.repo-list-meta .meta-info a {
  color: var(--color-text-muted) !important;
}

/* 文章详情页 */
/* 文章头部 */
.post-header {
  margin-bottom: 1.5rem;
}
.post-title {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin: 0 0 0.75rem;
}
.post-meta {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.post-meta .meta-info {
  margin-right: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.post-meta .meta-info a {
  color: var(--color-primary);
}

/* 普通页面头部 */
.page-header {
  padding: 2rem 0;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
}
.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--color-text);
}
.page-subtitle {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* 文章正文容器 */
.collection-head.small {
  padding: 2rem 0 !important;
  margin: 0 !important;
  background: var(--color-bg-card) !important;
  border-bottom: 1px solid var(--color-border);
  box-shadow: none !important;
  text-shadow: none !important;
  color: var(--color-text) !important;
}

.collection-head.small .collection-title {
  padding: 0 !important;
}
.collection-head.small .collection-title h1.collection-header {
  font-size: 1.75rem !important;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--color-text);
  line-height: 1.35;
}
.collection-head.small .collection-info .meta-info {
  margin-right: 1rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.collection-head.small a {
  color: var(--color-primary) !important;
}
.collection-head.small a:hover {
  text-decoration: underline;
}

/* 文章正文容器 */
section.container.content {
  padding-top: 2rem;
  padding-bottom: 2rem;
}
article.article-content {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 2.5rem;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 50em) {
  article.article-content {
    padding: 1.5rem 1.25rem;
  }
}

/* 相关文章 */
.related-posts {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.related-posts h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--color-text);
}
.related-posts ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.6rem;
}
.related-posts li {
  font-size: 0.9rem;
}
.related-posts li a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}
.related-posts li a:hover {
  text-decoration: underline;
}
.related-posts li small {
  color: var(--color-text-muted);
  margin-left: 0.5rem;
}

/* ==================== 侧边栏通用卡片 ==================== */
.sidebar-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

/* ==================== 侧边栏 ==================== */
/* 所有 sidebar widget 统一样式 */
[id^="site_search"],
h3:first-child,
.sidebar-search-widget,
.sidebar-card {
  /* handled by individual overrides below */
}

/* 搜索 */
h3 {
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted) !important;
  margin: 0 0 0.75rem !important;
  padding: 0 !important;
  border: none !important;
}

/* 搜索框卡片 */
#site_search {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
#search_box {
  width: 100% !important;
  padding: 0.5rem 0.75rem !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-full) !important;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s;
  background: var(--color-bg);
  color: var(--color-text);
  box-sizing: border-box;
}
#search_box:focus {
  border-color: var(--color-primary) !important;
}

/* 分类云卡片 */
.sidebar-card-categories {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
/* 分类链接 - pill 样式 */
.sidebar-card-categories a {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  margin: 0.2rem 0.15rem;
  font-size: 0.8rem !important;
  color: var(--color-primary) !important;
  background: var(--color-primary-bg);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all 0.2s;
  line-height: 1.6;
}
.sidebar-card-categories a:hover {
  background: var(--color-primary);
  color: #fff !important;
}

/* 广告卡片 */
.sidebar-card-ad {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* 热门仓库卡片 */
.sidebar-card-repo {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}
.sidebar-card-repo h3 {
  margin-bottom: 0.75rem !important;
}
.mini-repo-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.mini-repo-list-item {
  display: block;
  padding: 0.5rem 0;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--color-text);
  border-top: 1px solid var(--color-border-light);
}
.mini-repo-list-item:first-child {
  border-top: none;
}
.mini-repo-list-item:hover {
  color: var(--color-primary);
}
.mini-repo-list-item .repo {
  font-weight: 600;
}
.mini-repo-list-item .stars {
  float: right;
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

/* 文章内目录 */
.sidebar-post-nav {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

/* QR 码 */
.sidebar-qrcode {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  margin-bottom: 1rem;
}

/* ==================== 底部 ==================== */
.site-footer {
  position: relative !important;
  margin-top: 3rem !important;
  padding: 2rem 1rem !important;
  border-top: 1px solid var(--color-border) !important;
  font-size: 0.82rem !important;
  color: var(--color-text-secondary) !important;
  background: var(--color-bg-card);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  text-align: center;
}
.site-footer .copyright {
  padding: 0 !important;
}
.site-footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.site-footer-links li {
  display: inline !important;
  line-height: inherit !important;
}
.site-footer-links li + li {
  margin-left: 0 !important;
}
.site-footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.site-footer-links a:hover {
  color: var(--color-primary);
}
.site-footer .octicon-mark-github {
  position: static !important;
  margin: 0 !important;
  font-size: 1.3rem !important;
  color: var(--color-text-muted) !important;
}

/* 回到顶部 */
.tools-wrapper {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
}
.gotop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all 0.2s;
}
.gotop:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ==================== 分页 ==================== */
.pagination {
  padding: 2rem 0 !important;
  text-align: center;
}
.btn-group {
  display: inline-flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: center;
}
.pagination .btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s;
}
.pagination .btn-outline:hover {
  color: var(--color-primary);
  border-color: var(--color-primary-border);
  background: var(--color-primary-bg);
}
.pagination .btn-outline.active {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  cursor: default;
}
.pagination .btn-outline:disabled,
.pagination .btn-outline[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ==================== 文章列表/归档页 ==================== */
.collection-head {
  padding: 2rem 0 !important;
  background: var(--color-bg-card) !important;
  border-bottom: 1px solid var(--color-border) !important;
  box-shadow: none !important;
  text-shadow: none !important;
  color: var(--color-text) !important;
}
.collection-head .collection-header {
  font-size: 1.75rem !important;
  font-weight: 700;
  color: var(--color-text);
}
.collection-head a {
  color: var(--color-primary) !important;
}

/* ==================== 内容区域通用 ==================== */
.content .markdown-body {
  color: var(--color-text);
}
.markdown-body a {
  color: var(--color-primary) !important;
}
.markdown-body pre,
.markdown-body code {
  font-family: var(--font-mono);
}
.markdown-body blockquote {
  border-left-color: var(--color-primary) !important;
  color: var(--color-text-secondary) !important;
}

/* ==================== 分类页 ==================== */
.collection-page .other-content {
  border-left-color: var(--color-border) !important;
}

/* ==================== 响应式 ==================== */
@media (max-width: 60em) {
  .repo-list {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 50em) {
  .repo-list {
    grid-template-columns: 1fr;
  }
  .banner {
    padding: 2rem 0 !important;
  }
  .banner .collection-header {
    font-size: 1.5rem !important;
  }
  .site-header-nav {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .site-header-nav::-webkit-scrollbar {
    display: none;
  }
  .site-header-nav-item {
    white-space: nowrap;
  }
  .tools-wrapper {
    bottom: 1rem;
    right: 1rem;
  }
  .gotop {
    width: 36px;
    height: 36px;
  }
}
@media (max-width: 35em) {
  article.article-content {
    padding: 1.25rem 1rem;
  }
}

/* ==================== 工具类 ==================== */
.text-center {
  text-align: center;
}
.mobile-hidden {
  /* keep existing logic */
}

/* ==================== 暗色模式额外覆盖 ==================== */
html.dark .markdown-body table tr {
  background-color: var(--color-bg-card);
}
html.dark .markdown-body table tr:nth-child(2n) {
  background-color: var(--color-bg);
}
html.dark .markdown-body table td,
html.dark .markdown-body table th {
  border-color: var(--color-border);
}
html.dark hr {
  background-color: var(--color-border) !important;
}