/*
 * 导航与分页样式（精简优化版）
 * - 站点菜单（.site-menu-*）
 * - 移动端菜单（.mobile-menu*）
 * - 主导航（.main-navigation / .nav-menu）
 * - 分类导航（.category-nav / .category-list / .category-item）
 * - 分页导航（.pagination-* / .page-numbers）
 * - 深色模式 & 响应式
 */

/* -------------------------------------------------------------
   站点菜单（站点罗盘按钮 + 下拉两栏菜单）
------------------------------------------------------------- */
.site-menu-wrapper {
  position: relative;
  margin-right: 6px;
}
.site-menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  transition: transform .2s ease, color .2s ease;
}
.site-menu-toggle i {
  font-size: 1.4rem;
  color: var(--color-primary);
}
.site-menu-toggle:hover { transform: translateY(-2px); }
.site-menu-toggle:focus-visible {
  outline: 2px solid rgba(var(--color-primary-rgb), .35);
  outline-offset: 2px;
  border-radius: 6px;
}

/* 下拉内容：支持 hover 与 .open/.is-open 类控制显示 */
.site-menu-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  width: 400px;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .2s ease, transform .2s ease, visibility 0s linear .2s;
  z-index: 1000;
  pointer-events: none;
}
.site-menu-wrapper:hover .site-menu-dropdown,
.site-menu-wrapper.open .site-menu-dropdown,
.site-menu-dropdown.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
  pointer-events: auto;
}

.menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 18px;
}
.menu-column h3 {
  font-size: .9rem;
  color: var(--color-text-light);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}
.site-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-menu-list li { margin-bottom: 8px; }
.site-menu-list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  color: var(--color-text);
  text-decoration: none;
  border-radius: 8px;
  transition: background-color .2s ease, color .2s ease, transform .2s ease;
}
.site-menu-list a i {
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  color: var(--color-text-light);
  transition: transform .2s ease, color .2s ease;
}
.site-menu-list a:hover {
  background: var(--color-background-light);
  color: var(--color-primary);
  transform: translateX(4px);
}
.site-menu-list a:hover i {
  color: var(--color-primary);
  transform: scale(1.08);
}
.menu-notice {
  padding: 12px;
  color: var(--color-text-light);
  font-size: .9rem;
  text-align: center;
  background: var(--color-background-light);
  border-radius: 8px;
  border: 1px dashed var(--color-border);
}

/* 深色模式 */
[data-theme="dark"] .site-menu-dropdown {
  background: var(--color-background);
  border-color: var(--color-border);
  box-shadow: 0 4px 20px rgba(0,0,0,.28);
}

/* 响应式（站点菜单） */
@media (max-width: 768px) {
  .site-menu-dropdown { width: 300px; }
  .menu-grid { grid-template-columns: 1fr; gap: 14px; padding: 14px; }
  .site-menu-toggle i { font-size: 1.3rem; }
}


/* -------------------------------------------------------------
   新版｜移动端菜单（侧滑 + 遮罩）
   - 统一扁平风格，按钮/圆角/间距与头部工具按钮一致
   - 支持 .active 和 body.mobile-menu-open 两种开启方式（与现有 nav.js 兼容）
   - 子菜单平滑展开（无跳跃）、焦点可见、暗色自适应、安全区适配
------------------------------------------------------------- */

/* 触发按钮（≤768px 显示） */
.menu-toggle,
.mobile-menu-overlay,
.mobile-menu-wrapper { display: none !important; }

/* 保证小屏也使用主导航（文字链接） */
@media (max-width: 768px){
  .site-header .main-navigation { display: block !important; }
}

/* 保留：主导航文字链接样式、分类导航、分页样式 */

/* 主导航：Hover 图标菜单（统一扁平风格） */
.main-navigation.hover-icons { padding: 0; background: transparent; box-shadow: none; border: 0; }

/* 容器改为透明，不再使用毛玻璃卡片 */
.main-navigation.hover-icons .nav-menu {
  gap: 6px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  display: flex;
  align-items: center;
}

/* 行高兜底，避免文字撑高 */
.main-navigation.hover-icons .nav-menu > li { line-height: 0; }

.main-navigation.hover-icons .nav-menu > li > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  padding: 0;
  border-radius: 8px;
  color: var(--color-text);
  background: transparent;
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, transform .18s ease;
  line-height: 1;
}

/* 统一最小高度，保证与工具区一致 */
.main-navigation.hover-icons .nav-menu > li > a {
  width: 36px;
  height: 36px;
}

.main-navigation.hover-icons .nav-menu > li > a:hover {
  background: var(--color-background-light);
  color: var(--color-primary);
}

/* 当前激活态：浅底色 + 下方小圆点 */
.main-navigation.hover-icons .nav-menu > li.current-menu-item > a,
.main-navigation.hover-icons .nav-menu > li.current-menu-ancestor > a {
  background: var(--color-background-light);
  color: var(--color-primary);
}
.main-navigation.hover-icons .nav-menu > li.current-menu-item > a::after,
.main-navigation.hover-icons .nav-menu > li.current-menu-ancestor > a::after {
  content: "";
  position: absolute;
  bottom: -6px; left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* 图标缩放更克制 */
.main-navigation.hover-icons .nav-menu > li > a i {
  width: 18px; height: 18px;
  font-size: .95rem;
  color: currentColor;
  transition: transform .18s ease;
}
.main-navigation.hover-icons .nav-menu > li > a:hover i { transform: scale(1.06); }

/* 极简 Tooltip（复用 .menu-text，不挤占布局） */
.main-navigation.hover-icons .nav-menu > li > a .menu-text {
  position: absolute;
  left: 50%; top: -40px;
  transform: translateX(-50%) scale(.96);
  transform-origin: bottom center;
  opacity: 0;
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
  background: var(--color-background);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  pointer-events: none;
  transition: transform .16s ease, opacity .16s ease;
}
.main-navigation.hover-icons .nav-menu > li > a:hover .menu-text {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}
.main-navigation.hover-icons .nav-menu > li > a .menu-text::before {
  content: "";
  position: absolute;
  left: 50%; bottom: -6px;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-background);
}
[data-theme="dark"] .main-navigation.hover-icons .nav-menu > li > a .menu-text {
  box-shadow: 0 4px 12px rgba(0,0,0,.28);
}
[data-theme="dark"] .main-navigation.hover-icons .nav-menu > li > a .menu-text::before {
  border-top-color: var(--color-background);
}

/* 小屏适配 */
@media (max-width: 768px) {
  .main-navigation.hover-icons .nav-menu { gap: 4px; }
  .main-navigation.hover-icons .nav-menu > li > a { width: 34px; height: 34px; border-radius: 8px; }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .main-navigation.hover-icons .nav-menu > li > a,
  .main-navigation.hover-icons .nav-menu > li > a i,
  .main-navigation.hover-icons .nav-menu > li > a .menu-text {
    transition: none !important;
  }
}

/* 主导航：文字链接菜单（桌面） */
.main-navigation {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
.main-navigation .nav-menu {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.main-navigation .nav-menu > li { position: relative; }
.main-navigation .nav-menu > li > a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-text);
  line-height: 1.2;
  transition: background-color .18s ease, color .18s ease;
}
.main-navigation .nav-menu > li > a:hover {
  background: var(--color-background-light);
  color: var(--color-primary);
}
.main-navigation .nav-menu > li.current-menu-item > a,
.main-navigation .nav-menu > li.current-menu-ancestor > a {
  background: var(--color-background-light);
  color: var(--color-primary);
}

/* 下拉菜单（默认 WP 子菜单结构） */
.main-navigation .menu-item-has-children { position: relative; }
.main-navigation .menu-item-has-children > .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 180px;
  padding: 8px;
  margin: 0;
  list-style: none;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0,0,0,.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility 0s linear .18s;
  z-index: 1000;
}
.main-navigation .menu-item-has-children:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.main-navigation .sub-menu li { margin: 0; }
.main-navigation .sub-menu a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-text);
}
.main-navigation .sub-menu a:hover {
  background: var(--color-background-light);
  color: var(--color-primary);
}

/* 动画减少偏好 */
@media (prefers-reduced-motion: reduce) {
  .main-navigation .menu-item-has-children > .sub-menu {
    transition: none !important;
  }
}

/* -------------------------------------------------------------
   分类导航（首页/分类页顶部分类切换） - 精简交互版
------------------------------------------------------------- */
.category-nav,
.category-nav .category-item,
.category-nav .text,
.category-nav .count {
  font-family:
    "Ubuntu",
    "Tencent Sans",
    -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei",
    "Helvetica Neue", Arial, system-ui, sans-serif;
  font-variant-numeric: tabular-nums;
}

/* 分类导航容器：与上下模块拉开距离 */
.category-nav {
  margin: 10px 0 5px;   /* 上 16px，下 20px */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

/* 布局切换按钮组 */
.layout-toggle {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 4px;
}
.layout-toggle .lt-btn {
  width: 32px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--color-text-light);
  background: transparent;
  border: 0; border-radius: 8px;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, transform .18s ease;
}
.layout-toggle .lt-btn i { font-size: 14px; line-height: 1; }
.layout-toggle .lt-btn:hover { color: var(--color-primary); background: var(--color-background-light); }
.layout-toggle .lt-btn.active {
  color: #fff;
  background: var(--color-primary);
}

/* 网格列数（默认 2 列；移动端自动 1 列） */
.posts-grid.layout-2 { grid-template-columns: repeat(2, 1fr) !important; }
.posts-grid.layout-1 { grid-template-columns: 1fr !important; }

@media (max-width: 768px) {
  .posts-grid.layout-2 { grid-template-columns: 1fr !important; }
}

/* -------------------------------------------------------------
   分类导航（融合优化）
   - 默认显示名称，悬浮滑动图标到最右，名称淡出→数量淡入
   - 通过 .has-count（nav.js 注入）控制是否进行名称/数量切换
------------------------------------------------------------- */

/* 列表容器与间距 */
.category-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 12px;
  padding: 8px 0;

  /* 动画参数 */
  --catIconDur: .80s;
  --catTextDur: .50s;
  --catEase: cubic-bezier(.22,.61,.36,1);
}
@media (max-width: 768px) {
  .category-list { gap: 6px 8px; padding: 6px 0; }
}

/* 分类按钮｜默认左图标 + 右名称 */
.category-list .category-item {
  --catH: 42px;
  --padX: 12px;       /* 左右内边距 */
  --gap: 8px;         /* 图标与文本间距 */
  --iconSize: 18px;   /* Font Awesome 图标尺寸 */

  position: relative;
  display: inline-flex;
  align-items: center;
  height: var(--catH);
  padding: 0 var(--padX) 0 calc(var(--padX) + var(--iconSize) + var(--gap));
  border-radius: 999px;

  /* 按钮外观保持中性，不做整体悬浮效果 */
  background: var(--color-background-light);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-decoration: none;
  overflow: hidden;

  /* 防止绝对定位内容被裁掉（名称/数量） */
  min-width: 120px;
}
@media (max-width: 768px) {
  .category-list .category-item { min-width: 120px; }
}

/* 取消旧版装饰层与整体悬浮效果（只让内部元素动） */
.category-list .category-item::before { content: none !important; }
.category-list .category-item,
.category-list .category-item:hover,
.category-list .category-item:focus-visible,
.category-list .category-item.active {
  background: var(--color-background-light) !important;
  border-color: var(--color-border) !important;
  color: var(--color-text) !important;
}

/* 图标：默认在左；悬浮滑到最右（位移 + 轻微放大） */
.category-list .category-item i {
  position: absolute !important;
  top: 50%;
  left: var(--padX);
  width: var(--iconSize);
  height: var(--iconSize);
  line-height: 1;
  margin: 0;
  color: var(--color-primary);
  background: transparent !important;
  border-radius: 0 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%) scale(1);
  transform-origin: center center !important;
  will-change: left, transform;
  transition:
    left var(--catIconDur) var(--catEase),
    transform var(--catIconDur) var(--catEase),
    opacity .28s ease;
  z-index: 2;
  opacity: 1 !important;
}
.category-list .category-item:hover i,
.category-list .category-item:focus-visible i,
.category-list .category-item.active i {
  left: calc(100% - 30px); /* 100% - (12px 内边距 + 18px 图标) */
  transform: translateY(-50%) scale(1.08);
}

/* 名称与数量：同位叠放，不挤占布局（固定像素版） */
.category-list .category-item .text,
.category-list .category-item .count {
  position: absolute;
  left: 45px; 
  right: 12px; 
  top: 80%;
  transform: translateY(-50%);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.2;
  transition:
    opacity .28s ease,
    transform .50s cubic-bezier(.22,.61,.36,1);
  z-index: 1;
}

/* 默认只显示名称（固定像素版） */
.category-list .category-item .text  { opacity: 1; transform: translateY(-21px) translateX(0px); }
.category-list .category-item .count { opacity: 0; transform: translateY(-21px) translateX(-8px); }

/* 悬浮：仅当存在 .count（.has-count）时切换显示数量（固定像素版） */
.category-list .category-item.has-count:hover .text,
.category-list .category-item.has-count:focus-visible .text {
  opacity: 0 !important;
  transform: translateY(-21px) translateX(8px) !important;
}
.category-list .category-item.has-count:hover .count,
.category-list .category-item.has-count:focus-visible .count {
  opacity: 1 !important;
  transform: translateY(-21px) translateX(0px) !important;
}

/* 数量后缀“篇” */
.category-list .category-item .count::after { content: " 篇"; opacity: .9; }

/* 兼容覆盖：压制旧版规则（放大/上移/溢出） */
.category-list .category-item,
.category-list .category-item:hover,
.category-list .category-item:focus-visible,
.category-list .category-item.active {
  overflow: hidden !important;
  z-index: auto !important;
}

/* 减少动画偏好：静态切换（仍允许位置变化到右侧） */
@media (prefers-reduced-motion: reduce) {
    .category-list .category-item i,
    .category-list .category-item .text,
    .category-list .category-item .count {
      transition: none !important;
    }
    .category-list .category-item:hover i,
    .category-list .category-item:focus-visible i,
    .category-list .category-item.active i {
      left: calc(100% - 30px); /* 固定像素版 */
      transform: translateY(-50%); /* 不放大 */
    }
  }

/* -------------------------------------------------------------
   分页导航（统一按钮风格）
------------------------------------------------------------- */
.pagination-wrapper {
  margin-top: 18px;
}
.posts-pagination,
.comment-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
}

/* 兼容 a.page-numbers 与 span.current */
.page-numbers,
.page-number {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 10px;
  background: transparent;
  color: var(--color-text);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: all .2s ease;
}
.page-numbers:hover,
.page-number:hover {
  border-color: var(--color-primary, #0a3cff);
  color: var(--color-primary, #0a3cff);
}

/* 当前页 */
.page-numbers.current,
.page-numbers[aria-current="page"] {
  background: var(--color-primary, #0a3cff);
  color: #fff;
  border-color: transparent;
  transform: scale(1.02);
}

/* 省略号 */
.page-numbers.dots {
  cursor: default;
  border-style: dashed;
}
.page-numbers.dots:hover { border-color: var(--color-border, #e5e7eb); color: var(--color-text); }

/* 上/下一页自适应宽度 */
.page-numbers.prev,
.page-numbers.next {
  padding: 0 10px;
}

/* 暗色 */
[data-theme="dark"] .page-numbers,
[data-theme="dark"] .page-number {
  border-color: var(--color-border, #334155);
  color: var(--color-text, #e2e8f0);
}
[data-theme="dark"] .page-numbers:hover,
[data-theme="dark"] .page-number:hover {
  border-color: var(--color-primary, #3b82f6);
  color: var(--color-primary, #3b82f6);
}

/* 动画减少偏好：降低动效 */
@media (prefers-reduced-motion: reduce) {
  .site-menu-toggle,
  .site-menu-list a,
  .menu-toggle,
  .mobile-menu a,
  .sub-menu-toggle,
  .mobile-menu-close,
  .nav-menu a,
  .nav-menu ul,
  .page-numbers {
    transition: none !important;
  }
}