/* 彖渊子 · 朋友圈（Friend-Circle-Lite 自定义分类版）样式 */

#friend-circle-lite-root {
  --fc-card-bg: #ffffff;
  --fc-card-border: rgba(0, 0, 0, 0.06);
  --fc-card-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  --fc-text-main: #2c3e50;
  --fc-text-sub: #5f6f81;
  --fc-radius: 16px;
  --fc-radius-hover: 16px;
  --fc-primary: #3b82f6;
  font-size: 15px;
  color: var(--fc-text-main);
}

[data-theme="dark"] #friend-circle-lite-root {
  --fc-card-bg: #1e2330;
  --fc-card-border: rgba(255, 255, 255, 0.08);
  --fc-card-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  --fc-text-main: #e8ecf1;
  --fc-text-sub: #9aa7b5;
}

/* 统计卡片 */
.fc-lite-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

.fc-lite-stat-card {
  background: var(--fc-card-bg);
  border: 1px solid var(--fc-card-border);
  box-shadow: var(--fc-card-shadow);
  border-radius: var(--fc-radius);
  padding: 18px 8px;
  text-align: center;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, border-radius 0.2s ease;
}

.fc-lite-stat-card {
  cursor: pointer;
  user-select: none;
}

.fc-lite-stat-card:hover {
  transform: translateY(-2px);
  /* 保留原版白字蓝底风格，只去掉硬金边，改用中性柔阴影；悬浮态圆角更柔避免锋利 */
  background: color-mix(in srgb, var(--fc-primary) 18%, transparent);
  color: #fff;
  border-color: var(--fc-card-border);
  border-radius: 16px !important;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.10);
}

.fc-lite-stat-card:active {
  transform: translateY(0);
}

.fc-lite-stat-card:hover .fc-lite-stat-num,
.fc-lite-stat-card:hover .fc-lite-stat-label {
  color: #fff;
}

/* 高亮当前所在子页的统计卡片：白字 + 更明显的主题色底，无硬金边 */
.fc-lite-stat-card.active {
  background: color-mix(in srgb, var(--fc-primary) 28%, transparent);
  color: #fff;
  border-color: var(--fc-card-border);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.10);
}

.fc-lite-stat-card.active .fc-lite-stat-num,
.fc-lite-stat-card.active .fc-lite-stat-label {
  color: #fff;
}

.fc-lite-stat-card.active:hover {
  background: color-mix(in srgb, var(--fc-primary) 34%, transparent);
  border-color: var(--fc-card-border);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
}

/* 夜间模式：同样白字蓝底 + 中性边框 + 柔阴影 */
[data-theme="dark"] .fc-lite-stat-card:hover {
  background: color-mix(in srgb, var(--fc-primary) 28%, transparent);
  color: #fff;
  border-color: var(--fc-card-border);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] .fc-lite-stat-card:hover .fc-lite-stat-num,
[data-theme="dark"] .fc-lite-stat-card:hover .fc-lite-stat-label {
  color: #fff;
}

[data-theme="dark"] .fc-lite-stat-card.active {
  background: color-mix(in srgb, var(--fc-primary) 38%, transparent);
  color: #fff;
  border-color: var(--fc-card-border);
}

[data-theme="dark"] .fc-lite-stat-card.active .fc-lite-stat-num,
[data-theme="dark"] .fc-lite-stat-card.active .fc-lite-stat-label {
  color: #fff;
}

[data-theme="dark"] .fc-lite-stat-card.active:hover {
  background: color-mix(in srgb, var(--fc-primary) 44%, transparent);
  border-color: var(--fc-card-border);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.30);
}

.fc-lite-stat-detail {
  margin: -12px 0 18px 0;
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--fc-card-bg);
  border: 1px solid var(--fc-primary);
  color: var(--fc-text-main);
  font-size: 14px;
  line-height: 1.6;
  backdrop-filter: blur(2px);
  animation: fcLiteFadeInUp 0.3s ease forwards;
}

.fc-lite-stat-num {
  font-size: 26px;
  font-weight: 700;
  color: var(--fc-primary);
  line-height: 1.1;
}

.fc-lite-stat-label {
  margin-top: 6px;
  font-size: 13px;
  color: var(--fc-text-sub);
}

/* 钓鱼随机文章 */
.fc-lite-random {
  background: var(--fc-card-bg);
  border: 1px solid var(--fc-card-border);
  box-shadow: var(--fc-card-shadow);
  border-radius: var(--fc-radius);
  padding: 18px 20px;
  margin-bottom: 22px;
  backdrop-filter: blur(2px);
}

.fc-lite-random-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 10px;
  flex-wrap: wrap;
}

.fc-lite-random-title {
  font-size: 18px;
  font-weight: 600;
}

.fc-lite-random-actions {
  display: flex;
  gap: 10px;
}

.fc-lite-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: 16px;
  border: 1px solid var(--fc-card-border);
  background: rgba(59, 130, 246, 0.08);
  color: var(--fc-primary);
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
}

.fc-lite-btn:hover {
  background: rgba(59, 130, 246, 0.16);
  border-radius: 16px;
}

.fc-lite-btn:active {
  transform: scale(0.97);
}

.fc-lite-btn-primary {
  background: color-mix(in srgb, var(--fc-primary) 16%, transparent);
  color: #fff;
  border: 1px solid #f59e0b;
  border-radius: 16px !important;
}

.fc-lite-btn-primary:hover {
  background: color-mix(in srgb, var(--fc-primary) 28%, transparent);
  border-radius: 16px !important;
  transform: translateY(-1px);
}

[data-theme="dark"] .fc-lite-btn-primary {
  background: color-mix(in srgb, var(--fc-primary) 26%, transparent);
  border-color: #fbbf24;
}

[data-theme="dark"] .fc-lite-btn-primary:hover {
  background: color-mix(in srgb, var(--fc-primary) 36%, transparent);
}

.fc-lite-random-body {
  display: flex;
  gap: 14px;
  align-items: center;
}

/* 头像：正圆裁切（object-fit: cover），保持 1:1，避免非正方图被拉成椭圆 */
.fc-lite-avatar-wrap {
  position: relative;
  width: 64px;
  height: 64px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  border: 2px solid color-mix(in srgb, var(--fc-primary) 35%, transparent);
  background: var(--fc-card-bg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.fc-lite-avatar-wrap.small {
  width: 32px;
  height: 32px;
  border-width: 1px;
}

.fc-lite-avatar-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  border: none;
  box-sizing: border-box;
}

.fc-lite-random-avatar {
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

/* 右下角模糊背景头像也用正圆裁切 */
.fc-lite-card-bg {
  width: 140px;
  height: 140px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
}

/* 文章卡片底部小头像同样强制 1:1 正圆 */
.fc-lite-card-avatar {
  width: 24px;
  height: 24px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--fc-card-border);
}

.fc-lite-random-info {
  min-width: 0;
  flex: 1;
}

.fc-lite-random-link {
  display: block;
  color: var(--fc-text-main);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fc-lite-random-link:hover {
  color: var(--fc-primary);
}

.fc-lite-random-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--fc-text-sub);
}

/* 分类标签小药丸 */
.fc-lite-cat-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--cat-color);
  background: color-mix(in srgb, var(--cat-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--cat-color) 25%, transparent);
}

/* 筛选栏 */
.fc-lite-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.fc-lite-tabs {
  position: relative;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.fc-lite-tab {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 13px;
  border-radius: 18px;
  border: 1px solid var(--fc-card-border);
  /* 关键修复：标签块默认透明，让背后的液态滑动指示器（.fc-lite-tab-thumb，分类主题色）
     能透出形成“彩色药丸”；此前写死 var(--fc-card-bg) 白底会盖住指示器，
     导致激活态白字白底不可见、且不随分类/主题变色。 */
  background: transparent;
  color: var(--fc-text-sub);
  font-size: 13px;
  cursor: pointer;
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, transform 0.2s ease;
  backdrop-filter: blur(2px);
}

.fc-lite-tab:hover {
  color: var(--cat-color);
  background: color-mix(in srgb, var(--cat-color) 12%, transparent);
  border-color: color-mix(in srgb, var(--cat-color) 40%, transparent);
  transform: translateY(-1px);
}

.fc-lite-tab.active {
  color: #fff;
  /* 激活态自身背景透明，露出背后分类色的液态指示器；
     白字落在其上清晰可见，深浅主题均自适应（指示器=分类色，与主题无关）。 */
  background: transparent;
  border-color: transparent;
}

/* 朋友圈分类 Tab 液态滑动指示器 */
.fc-lite-tab-thumb {
  position: absolute;
  z-index: 0;
  top: 0;
  left: 0;
  border-radius: 18px;
  pointer-events: none;
  opacity: 0;
  transition: transform 0.42s cubic-bezier(0.22, 1, 0.36, 1),
              width 0.42s cubic-bezier(0.22, 1, 0.36, 1),
              height 0.25s ease,
              border-radius 0.42s ease,
              background-color 0.3s ease,
              opacity 0.25s ease;
  will-change: transform, width;
}
.fc-lite-tab-thumb.ready { opacity: 1; }
/* 切换时短暂变水滴形，像液体一样“流”到下一个分类 */
.fc-lite-tab-thumb.liquid {
  border-radius: 46% 54% 58% 42% / 56% 44% 60% 40%;
}

.fc-lite-tab.active .fc-lite-tab-count {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

/* 夜间模式：非激活态计数药丸改用浅色底，避免 rgba(0,0,0,.06) 在深色背景上消失 */
[data-theme="dark"] .fc-lite-tab-count {
  background: rgba(255, 255, 255, 0.12);
  color: var(--fc-text-sub);
}

@media (prefers-reduced-motion: reduce) {
  .fc-lite-tab-thumb { transition: none !important; }
}

.fc-lite-tab-count {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 8px;
  font-size: 11px;
  background: rgba(0, 0, 0, 0.06);
  margin-left: 2px;
}

.fc-lite-search {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--fc-card-bg);
  border: 1px solid var(--fc-card-border);
  border-radius: 20px;
  padding: 5px 12px;
  min-width: 180px;
  color: var(--fc-text-sub);
}

.fc-lite-search svg {
  flex-shrink: 0;
}

.fc-lite-search input {
  border: none;
  background: transparent;
  outline: none;
  color: var(--fc-text-main);
  font-size: 13px;
  width: 100%;
}

.fc-lite-search input::placeholder {
  color: var(--fc-text-sub);
  opacity: 0.7;
}

/* 文章网格 */
.fc-lite-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.fc-lite-card {
  position: relative;
  background: var(--fc-card-bg);
  border: 1px solid var(--fc-card-border);
  box-shadow: var(--fc-card-shadow);
  border-radius: var(--fc-radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, border-radius 0.25s ease;
  overflow: hidden;
}

.fc-lite-card:hover {
  transform: translateY(-4px);
  /* 悬浮态保持原边框色不变，只做柔和上浮 + 中性柔阴影，不出现任何硬描边/彩色描边，避免"锋利"感 */
  border-radius: var(--fc-radius-hover);
  border-color: var(--fc-card-border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.10);
}

/* 高优先级确保文章卡片圆角（含悬浮态）不被主题 #post 等规则覆盖，首页/子页同时生效 */
#friend-circle-lite-root .fc-lite-card,
#fc-subpage-root .fc-lite-card {
  border-radius: var(--fc-radius);
}

#friend-circle-lite-root .fc-lite-card:hover,
#fc-subpage-root .fc-lite-card:hover {
  border-radius: var(--fc-radius-hover);
}

/* 卡片入场动画 */
@keyframes fcLiteFadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fc-lite-card {
  opacity: 0;
  animation: fcLiteFadeInUp 0.5s ease forwards;
  animation-delay: var(--card-enter-delay, 0ms);
}

/* 右下角头像背景：极淡、无模糊，仅作轻微点缀 */
.fc-lite-card-bg {
  position: absolute;
  z-index: 0;
  right: -16px;
  bottom: -20px;
  width: 140px;
  height: 140px;
  border-radius: 50% !important;
  object-fit: cover;
  opacity: 0.08;
  filter: blur(0);
  -webkit-filter: blur(0);
  pointer-events: none;
  transition: transform 0.6s ease, bottom 0.3s ease, right 0.3s ease, opacity 0.3s ease;
}

.fc-lite-card:hover .fc-lite-card-bg {
  transform: scale(1.1);
  bottom: -10px;
  right: -8px;
  opacity: 0.12;
}

[data-theme="dark"] .fc-lite-card-bg {
  opacity: 0.06;
}

[data-theme="dark"] .fc-lite-card:hover .fc-lite-card-bg {
  opacity: 0.10;
}

/* 卡片主体层在背景之上 */
.fc-lite-card-main {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.fc-lite-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.fc-lite-card-date {
  font-size: 12px;
  color: var(--fc-text-sub);
}

.fc-lite-card-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  margin: 0 0 auto 0;
  color: var(--fc-text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  cursor: pointer;
}

/* 用 #friend-circle-lite-root / #fc-subpage-root 前缀提高优先级，压住主题 #post a:hover 的下划线 */
#friend-circle-lite-root .fc-lite-card-title,
#friend-circle-lite-root .fc-lite-card-title a,
#friend-circle-lite-root .fc-lite-card-title a:hover,
#friend-circle-lite-root .fc-lite-card-title a:focus,
#fc-subpage-root .fc-lite-card-title,
#fc-subpage-root .fc-lite-card-title a,
#fc-subpage-root .fc-lite-card-title a:hover,
#fc-subpage-root .fc-lite-card-title a:focus {
  color: inherit;
  text-decoration: none !important;
  /* 主题 #post a 用 border-bottom 模拟下划线，必须同时清掉 */
  border-bottom: none !important;
  transition: color 0.2s ease;
}

.fc-lite-card-title:hover,
.fc-lite-card-title:hover a {
  color: var(--fc-primary);
}

.fc-lite-card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--fc-card-border);
}

/* 博主名称：可点击按钮，无下划线，悬停变主题色 */
.fc-lite-author-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 13px;
  color: var(--fc-primary);
  cursor: pointer;
  text-decoration: none !important;
  transition: color 0.2s ease, transform 0.1s ease;
}

.fc-lite-author-btn:hover {
  color: #f59e0b;
  text-decoration: none !important;
}

.fc-lite-author-btn:active {
  transform: scale(0.97);
}

/* 子页文章卡片作者名：视觉与首页 .fc-lite-author-btn 统一，保持主色 */
.fc-lite-card-author {
  font-size: 13px;
  color: var(--fc-primary);
}

/* —— 博主最近文章弹出面板 —— */
.fc-lite-author-panel-backdrop {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.fc-lite-author-panel-backdrop.fc-lite-author-panel-show {
  opacity: 1;
}

.fc-lite-author-panel-backdrop.fc-lite-author-panel-hiding {
  opacity: 0;
}

.fc-lite-author-panel {
  width: min(420px, 100%);
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
  border-radius: 16px;
  padding: 16px;
  transform: translateY(16px) scale(0.96);
  transition: transform 0.25s ease;
  box-sizing: border-box;
  /* 关键：面板被 JS append 到 body，离开了 #friend-circle-lite-root 作用域，
     内部的 var(--fc-*) 会失效。在面板自身重新定义这些变量，确保 light/dark 都正常。 */
  --fc-text-main: #2c3e50;
  --fc-text-sub: #5f6f81;
  --fc-card-border: rgba(0, 0, 0, 0.08);
  --fc-primary: #3b82f6;
}

[data-theme="dark"] .fc-lite-author-panel {
  background: #1e2330;
  border-color: rgba(255, 255, 255, 0.1);
  --fc-text-main: #e8ecf1;
  --fc-text-sub: #9aa7b5;
  --fc-card-border: rgba(255, 255, 255, 0.1);
  --fc-primary: #60a5fa;
}

.fc-lite-author-panel-backdrop.fc-lite-author-panel-show .fc-lite-author-panel {
  transform: translateY(0) scale(1);
}

.fc-lite-author-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--fc-card-border);
}

.fc-lite-author-panel-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.fc-lite-author-panel-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--fc-text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fc-lite-author-panel-close {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--fc-card-border);
  border-radius: 50%;
  background: transparent;
  color: var(--fc-text-sub);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.fc-lite-author-panel-close:hover {
  background: color-mix(in srgb, var(--fc-primary) 16%, transparent);
  color: var(--fc-primary);
}

.fc-lite-author-panel-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
}

.fc-lite-author-panel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border-radius: var(--fc-radius);
  background: color-mix(in srgb, var(--fc-primary) 6%, transparent);
  border: 1px solid var(--fc-card-border);
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}

.fc-lite-author-panel-item:hover {
  background: color-mix(in srgb, var(--fc-primary) 14%, transparent);
  border-color: color-mix(in srgb, var(--fc-primary) 40%, transparent);
}

.fc-lite-author-panel-item-title {
  flex: 1;
  min-width: 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--fc-text-main);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fc-lite-author-panel-item-date {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--fc-text-sub);
  white-space: nowrap;
}

.fc-lite-author-panel-empty {
  text-align: center;
  padding: 24px 12px;
  color: var(--fc-text-sub);
  font-size: 14px;
}

/* 夜间模式适配 */
[data-theme="dark"] .fc-lite-author-panel-backdrop {
  background: rgba(0, 0, 0, 0.6);
}

[data-theme="dark"] .fc-lite-author-panel-close:hover {
  background: color-mix(in srgb, var(--fc-primary) 26%, transparent);
}

/* 加载 / 空状态 */
.fc-lite-loading,
.fc-lite-error,
.fc-lite-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--fc-text-sub);
  border-radius: var(--fc-radius);
  background: var(--fc-card-bg);
  border: 1px solid var(--fc-card-border);
}

.fc-lite-error {
  color: #ef4444;
}

/* 响应式 */
@media screen and (max-width: 768px) {
  .fc-lite-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .fc-lite-stat-card {
    padding: 14px 6px;
  }

  .fc-lite-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .fc-lite-search {
    width: 100%;
    min-width: auto;
  }

  .fc-lite-random-body {
    align-items: flex-start;
  }

  .fc-lite-random-link {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .fc-lite-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 12px;
  }
}

@media screen and (max-width: 480px) {
  .fc-lite-grid {
    grid-template-columns: 1fr;
  }

  .fc-lite-random-head {
    flex-direction: column;
    align-items: flex-start;
  }
}