/* ============================================================
 * 影视仓 - 全局样式 (TVBox风格 · 全宽布局)
 * ============================================================ */

:root {
  --color-bg-primary: #0f0f14;
  --color-bg-secondary: #1a1a24;
  --color-bg-card: #22222e;
  --color-bg-hover: #2d2d3a;
  --color-bg-modal: #1e1e2a;
  --color-text-primary: #f5f5f5;
  --color-text-secondary: #a0a0b0;
  --color-text-muted: #6b6b7b;
  --color-accent: #e63946;
  --color-accent-hover: #ff4d5a;
  --color-accent-light: rgba(230, 57, 70, 0.15);
  --color-border: #2a2a38;
  --color-shadow: rgba(0, 0, 0, 0.4);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --font-size-xs: clamp(0.625rem, 0.6rem + 0.2vw, 0.75rem);
  --font-size-sm: clamp(0.75rem, 0.7rem + 0.3vw, 0.875rem);
  --font-size-base: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
  --font-size-lg: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1rem + 1vw, 1.75rem);

  --topbar-height: clamp(3.5rem, 7vw, 5rem);
  --container-max: 2000px;
  --card-gap: clamp(0.5rem, 1.5vw, 1rem);
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { font-size: 16px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* t8: 全局滚动条颜色与背景一致 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg-primary); }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }
* { scrollbar-width: thin; scrollbar-color: var(--color-border) var(--color-bg-primary); }
button { background: none; border: none; cursor: pointer; font: inherit; color: inherit; }
input, select { font: inherit; color: inherit; border: none; outline: none; background: none; }
img { display: block; max-width: 100%; height: auto; }

/* ============ 顶部栏 ============ */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}
.top-bar-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: var(--topbar-height);
  padding: 0 clamp(0.75rem, 3vw, 2rem);
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
}
.brand { display: flex; align-items: center; gap: 0.25rem; flex-shrink: 0; }
.brand-icon { font-size: var(--font-size-xl); color: var(--color-accent); }
.brand-name { font-size: var(--font-size-lg); font-weight: 700; letter-spacing: 0.05em; }

/* 顶部栏操作按钮区 */
.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}
.top-bar-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.top-bar-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
  border-color: var(--color-accent);
}
.top-bar-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  font-weight: 600;
}
.top-bar-btn .btn-icon { font-size: var(--font-size-lg); }

.search-box {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0 0.75rem;
  height: 100%;
  align-self: stretch;
  transition: border-color var(--transition-fast);
  position: relative;
  min-width: 0;
}
.search-box:focus-within { border-color: var(--color-accent); }
.search-box input { flex: 1; font-size: var(--font-size-base); }
.search-box input::placeholder { color: var(--color-text-muted); }
.search-box button { font-size: var(--font-size-lg); padding: 0.25rem; }
.search-box button:hover { transform: scale(1.15); }

.search-clear {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding: 0.15rem 0.35rem;
  background: var(--color-bg-hover);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.search-clear:hover {
  background: var(--color-accent);
  color: #fff;
}

/* 搜索历史下拉 */
.search-history-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  right: 0;
  background: var(--color-bg-modal);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px var(--color-shadow);
  z-index: 110;
  padding: 0.5rem 0;
  max-height: 300px;
  overflow-y: auto;
}
.search-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.search-history-item:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}
.search-history-item .sh-keyword { flex: 1; }
.search-history-item .sh-delete {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding: 0.15rem 0.35rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.search-history-item .sh-delete:hover { color: var(--color-accent); }
.search-history-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}
.search-history-footer button {
  color: var(--color-accent);
  cursor: pointer;
  font-size: var(--font-size-xs);
}
.search-history-footer button:hover { text-decoration: underline; }

/* ============ 主体布局 ============ */
.main-layout {
  min-height: 100vh;
  padding-top: var(--top-bar-height, var(--topbar-height));
}

/* ============ 主内容区 ============ */
.main-content {
  padding: 1rem clamp(0.75rem, 3vw, 2rem);
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.page {
  display: none;
}
.page.active { display: block; }

/* ============ 分类标签栏 ============ */
.category-bar {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0.75rem 0 1rem;
  margin-bottom: 0.5rem;
}
.category-bar::-webkit-scrollbar { display: none; }
.category-tab {
  flex: 0 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: var(--font-size-sm);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  white-space: nowrap;
  min-width: auto;
}
.category-tab .cat-icon {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1;
}
.category-tab .cat-name {
  font-size: var(--font-size-xs);
}
.category-tab:hover { color: var(--color-text-primary); background: var(--color-bg-hover); border-color: var(--color-accent); }
.category-tab.active { color: #fff; background: var(--color-accent); border-color: var(--color-accent); font-weight: 600; }

/* ============ 默认源标签 ============ */
.default-source-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  font-size: var(--font-size-sm);
}
.ds-label { color: var(--color-text-muted); }
.ds-name { color: var(--color-accent); font-weight: 600; }
.ds-switch {
  margin-left: auto;
  font-size: var(--font-size-xs);
  padding: 0.25rem 0.75rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.ds-switch:hover { background: var(--color-accent); color: #fff; }

/* 源总数统计 */
.source-total-count {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding: 0.2rem 0.5rem;
  background: var(--color-bg-hover);
  border-radius: var(--radius-sm);
  margin-left: 0.25rem;
}

/* 源下拉框深色样式 */
#sourceDropdown {
  background: var(--color-bg-card);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.6rem;
  font-size: var(--font-size-sm);
  cursor: pointer;
}
#sourceDropdown option {
  background: var(--color-bg-modal);
  color: var(--color-text-primary);
}

/* 返回按钮 */
.back-btn {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.4rem 0.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.back-btn:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
  border-color: var(--color-accent);
}

/* 源选择下拉容器 */
.source-dropdown-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.source-select-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 180px;
  max-width: 260px;
  max-height: 320px;
  overflow-y: auto;
  background: var(--color-bg-modal);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px var(--color-shadow);
  z-index: 120;
  padding: 0.5rem 0;
  scrollbar-width: thin;
}
.source-select-dropdown::-webkit-scrollbar { width: 4px; }
.source-select-dropdown::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }
.source-select-dropdown .dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.source-select-dropdown .dropdown-item:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}
.source-select-dropdown .dropdown-item.active {
  color: var(--color-accent);
  background: var(--color-accent-light);
}
.source-select-dropdown .dropdown-item .item-status {
  font-size: var(--font-size-xs);
  padding: 1px 0.4rem;
  border-radius: var(--radius-sm);
}
.source-select-dropdown .dropdown-item .item-status.online { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.source-select-dropdown .dropdown-item .item-status.offline { background: rgba(239, 68, 68, 0.2); color: #ef4444; }

/* ============ Hero 轮播 ============ */
.hero-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 5;
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: 1.5rem;
}
.hero-slides {
  position: relative;
  width: 100%;
  height: 100%;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}
.hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-info, .hero-slide-content {
  position: absolute;
  left: 0;
  bottom: 20%;
  padding: 2rem;
  max-width: 40%;
  z-index: 2;
}
.hero-title, .hero-slide-title {
  font-size: clamp(1.25rem, 2.5vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
  line-height: 1.3;
  margin-bottom: 0.5rem;
}
.hero-desc, .hero-slide-desc {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  max-height: 3em;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}
.hero-slide-meta {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 0.5rem;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}
.hero-btns, .hero-slide-actions, .hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}
.hero-btn-play {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 1.25rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: background var(--transition-fast);
  border: none;
}
.hero-btn-play:hover { background: var(--color-accent-hover); }
.hero-btn-detail {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 1.25rem;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  transition: all var(--transition-fast);
}
.hero-btn-detail:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #fff;
}
.hero-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 3;
}
.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.hero-dot.active {
  background: #fff;
  width: 24px;
  border-radius: 4px;
}
.hero-dot:hover { background: rgba(255, 255, 255, 0.7); }

/* 轮播渐变遮罩 */
.hero-carousel::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.2) 50%, rgba(0,0,0,0) 100%);
  pointer-events: none;
  z-index: 1;
}

/* ============ 视频网格 (每行6个) ============ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--card-gap);
}
.video-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.video-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px var(--color-shadow); }
.video-card-img {
  position: relative;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: var(--color-bg-hover);
}
.video-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}
.video-card:hover .video-card-img img { transform: scale(1.05); }
.video-card-source {
  position: absolute;
  top: 0.5rem; left: 0.5rem;
  font-size: var(--font-size-xs);
  padding: 2px 0.4rem;
  background: rgba(0,0,0,0.6);
  border-radius: var(--radius-sm);
}
.video-card-remarks {
  position: absolute;
  top: 0.5rem; right: 0.5rem;
  font-size: var(--font-size-xs);
  padding: 2px 0.4rem;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
}
.video-card-info { padding: 0.5rem 0.75rem; }
.video-card-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.video-card-meta {
  display: flex;
  gap: 0.4rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}
.video-card-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255,255,255,0.2);
}
.video-card-progress-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 0 2px 2px 0;
}

/* ============ 分页组件 ============ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1.5rem 0;
  flex-wrap: wrap;
}
.pagination-info {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-right: 0.5rem;
}
.pagination-btn {
  font-size: var(--font-size-sm);
  padding: 0.4rem 0.8rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.pagination-btn:hover { background: var(--color-bg-hover); color: var(--color-text-primary); }
.pagination-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.pagination-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.pagination-input {
  width: clamp(50px, 8vw, 80px);
  font-size: var(--font-size-sm);
  padding: 0.4rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  color: var(--color-text-primary);
}
.pagination-separator {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ============ 加载/空状态 ============ */
.loading-state, .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  gap: 0.75rem;
  text-align: center;
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-state p, .empty-state p { color: var(--color-text-secondary); }
.empty-icon { font-size: 3rem; }

/* ============ 搜索页 ============ */
.search-result-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.search-result-header h3 { font-size: var(--font-size-lg); }
.search-result-count { font-size: var(--font-size-sm); color: var(--color-text-muted); }

/* 大屏隐藏顶部收藏按钮（小屏在媒体查询中显示） */
#topFavBtn { display: none; }

/* ============ 分页 ============ */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.page-header h2 { font-size: var(--font-size-lg); }
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(clamp(120px, 20vw, 220px), 1fr));
  gap: var(--card-gap);
}
.category-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-border);
}
.category-card:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-accent);
}
.category-card-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.category-card-name { font-size: var(--font-size-base); font-weight: 600; }
.clear-history-btn {
  font-size: var(--font-size-xs);
  padding: 0.4rem 0.8rem;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.clear-history-btn:hover { background: var(--color-accent); color: #fff; }

/* ============ 设置页 ============ */
.settings-section {
  margin-bottom: 1.5rem;
}
.settings-section h3 {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}
.default-source-select {
  width: 100%;
  font-size: var(--font-size-base);
  padding: 0.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.source-list {
  display: grid;
  gap: 0.5rem;
  max-height: 400px;
  overflow-y: auto;
}
.source-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}
.source-item-name { flex: 1; }
.source-item-status {
  font-size: var(--font-size-xs);
  padding: 2px 0.5rem;
  border-radius: var(--radius-sm);
}
.source-item-status.online { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.source-item-status.offline { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.source-item-actions { display: flex; gap: 0.35rem; }
.source-action-btn {
  font-size: var(--font-size-sm);
  padding: 0.25rem 0.4rem;
  background: var(--color-bg-hover);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.source-action-btn:hover { background: var(--color-accent); }

/* 自定义源表单 */
.custom-source-form { display: grid; gap: 0.75rem; }
.custom-source-form .form-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.custom-source-form input[type="text"] {
  flex: 1;
  min-width: 140px;
  padding: 0.6rem 0.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
}
.custom-source-form button {
  padding: 0.6rem 1rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast);
  white-space: nowrap;
}
.custom-source-form button:hover { background: var(--color-accent-hover); }
.custom-source-form textarea {
  width: 100%;
  min-height: 100px;
  padding: 0.6rem 0.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  resize: vertical;
  font-family: inherit;
}
.batch-import { flex-direction: column; }
.batch-actions { display: flex; gap: 0.5rem; }
.batch-actions button { background: var(--color-bg-hover); color: var(--color-text-primary); border: 1px solid var(--color-border); }
.batch-actions button:hover { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
.about-info {
  padding: 1rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============ 模态框 ============ */
.modal, .player-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal.show, .player-modal.show { display: flex; }
.modal-overlay, .player-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}
.modal-content {
  position: relative;
  width: min(calc(100vw - 2rem), 900px);
  max-height: calc(100vh - 4rem);
  background: var(--color-bg-modal);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  margin: auto;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}
.modal-header h2 { font-size: var(--font-size-lg); }
.modal-close { font-size: var(--font-size-xl); padding: 0.25rem; color: var(--color-text-secondary); transition: color var(--transition-fast); }
.modal-close:hover { color: var(--color-text-primary); }
.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: calc(100vh - 200px);
}

/* 详情卡片 */
.detail-card {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.detail-poster {
  flex-shrink: 0;
  width: clamp(120px, 25vw, 200px);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.detail-poster img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
}
.detail-info {
  flex: 1;
  min-width: 0;
}
.detail-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.detail-meta span {
  font-size: var(--font-size-sm);
  padding: 0.3rem 0.75rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
}
.detail-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
}

/* 播放线路 - 选项卡模式 */
.detail-play-tabs {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.detail-play-tabs-header {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.detail-play-tabs-header::-webkit-scrollbar { display: none; }
.detail-play-tab {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  padding: 0.5rem 1.25rem;
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: 1px solid transparent;
}
.detail-play-tab:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}
.detail-play-tab.active {
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.detail-play-tab .tab-count {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-left: 0.25rem;
}
.detail-play-tab.active .tab-count {
  color: var(--color-accent);
}
.detail-play-content {
  min-height: 200px;
}
.detail-play-panel {
  display: none;
}
.detail-play-panel.active {
  display: block;
}
.detail-play-episodes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.5rem;
  padding: 0.5rem 0;
}
.play-line-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.play-line-header:hover { background: var(--color-bg-hover); }
.play-line-name { font-size: var(--font-size-sm); font-weight: 600; }
.play-line-ep-count { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.play-line-episodes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 0.4rem;
  padding: 0 0.75rem 0.75rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.play-line.expanded .play-line-episodes { max-height: 300px; }
.ep-btn {
  font-size: var(--font-size-xs);
  padding: 0.4rem;
  background: var(--color-bg-hover);
  border-radius: var(--radius-sm);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all var(--transition-fast);
}
.ep-btn:hover { background: var(--color-accent-light); color: var(--color-accent); }
.ep-btn.active { background: var(--color-accent); color: #fff; }

/* ============ 播放器 ============ */
.player-container {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: #000;
}
.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(0,0,0,0.8);
}
.player-header h3 { font-size: var(--font-size-base); color: #fff; flex: 1; }
.player-header-right { display: flex; gap: 0.5rem; align-items: center; }
.player-episodes-btn {
  font-size: 1.3rem;
  padding: 0.3rem 0.6rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.player-close { font-size: var(--font-size-lg); padding: 0.25rem; color: #fff; }
.player-wrapper { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; background: #000; position: relative; }
.player-wrapper video { width: 100%; height: 100%; object-fit: contain; background: #000; }

/* 广告遮罩层：遮挡跑马灯/水印广告 */
.ad-mask-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.7) 40%, rgba(0,0,0,0.2) 80%, transparent 100%);
  pointer-events: none;
  z-index: 2;
  display: none;
}
.ad-mask-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 18%;
  background: linear-gradient(to top, rgba(0,0,0,0.98) 0%, rgba(0,0,0,0.8) 30%, rgba(0,0,0,0.3) 70%, transparent 100%);
  pointer-events: none;
  z-index: 2;
  display: none;
}
.ad-mask-top.active,
.ad-mask-bottom.active {
  display: block;
}

/* ============ 侧边选集浮动面板 ============ */
.episodes-side-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
  z-index: 5;
}
.episodes-side-overlay.show { opacity: 1; visibility: visible; }
.episodes-side-panel {
  position: absolute;
  top: 0;
  right: -420px;
  width: min(400px, 90vw);
  height: 100%;
  background: rgba(20, 20, 30, 0.97);
  backdrop-filter: blur(16px);
  z-index: 6;
  transition: right var(--transition-normal);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-border);
}
.episodes-side-panel.show { right: 0; }
.episodes-side-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.episodes-side-header h4 { font-size: var(--font-size-base); color: #fff; }
.episodes-side-close { font-size: var(--font-size-lg); padding: 0.25rem; color: #fff; }
.episodes-side-source {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}
.episodes-side-source label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  white-space: nowrap;
}
.episodes-source-select {
  flex: 1;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.6rem;
  font-size: var(--font-size-sm);
  cursor: pointer;
}
.episodes-source-select option {
  background: var(--color-bg-modal);
  color: var(--color-text-primary);
}
.episodes-source-select option.current-source {
  color: var(--color-accent);
  font-weight: 600;
}
.episodes-side-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.6rem 0.75rem;
  flex-shrink: 0;
  border-bottom: 1px solid var(--color-border);
}
.episodes-side-tabs::-webkit-scrollbar { display: none; }
.episodes-side-tab {
  flex-shrink: 0;
  font-size: var(--font-size-xs);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  background: transparent;
}
.episodes-side-tab.active { background: var(--color-accent); color: #fff; }
.episodes-side-grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  grid-auto-rows: 24px;
  gap: 0.3rem;
  padding: 0.75rem;
  align-content: start;
}
.episodes-side-grid .ep-btn {
  height: 20px;
  line-height: 20px;
  min-height: 20px;
  max-height: 20px;
  font-size: var(--font-size-xs);
  padding: 0 0.5rem;
  background: var(--color-bg-hover);
  border-radius: var(--radius-sm);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all var(--transition-fast);
  color: var(--color-text-primary);
  display: inline-block;
}
.episodes-side-grid .ep-btn:hover { background: var(--color-accent-light); color: var(--color-accent); }
.episodes-side-grid .ep-btn.active { background: var(--color-accent); color: #fff; }

/* ============ Toast 提示 ============ */
.player-toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 400;
  background: rgba(0, 0, 0, 0.85);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  text-align: center;
  max-width: min(80vw, 400px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-accent);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  animation: toastIn 0.3s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.9); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}

/* ============ 回到顶部 ============ */
.back-to-top {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  width: 2.5rem; height: 2.5rem;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px var(--color-shadow);
  transition: transform var(--transition-fast);
  z-index: 50;
}
.back-to-top:hover { transform: scale(1.1); }

/* ============ 响应式 ============ */

/* 平板横屏 */
@media (max-width: 1200px) {
  .video-grid { grid-template-columns: repeat(5, 1fr); }
}

/* 平板竖屏 / 小桌面 */
@media (max-width: 1024px) {
  .video-grid { grid-template-columns: repeat(4, 1fr); }
}

/* 手机 */
@media (max-width: 768px) {
  .brand-name { display: none; }
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .detail-card { flex-direction: column; align-items: center; text-align: center; }
  .detail-poster { width: clamp(120px, 50vw, 200px); }
  .detail-meta { justify-content: center; }
  .hero-carousel { aspect-ratio: 16 / 9; }
  .hero-info, .hero-slide-content { max-width: 80%; padding: 1rem; bottom: 15%; }
  .hero-title, .hero-slide-title { font-size: var(--font-size-lg); }
  .hero-desc, .hero-slide-desc { display: none; }
  .hero-slide-actions { gap: 0.5rem; margin-top: 0.5rem; }
  .hero-btn-play, .hero-btn-detail { padding: 0.45rem 0.9rem; font-size: var(--font-size-sm); }
  /* 海报左右箭头由JS控制隐藏 */

  /* 顶部栏小屏分两行：第一行LOGO+搜索+首页，第二行源下拉+历史+设置 */
  .top-bar-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 0.5rem 0.75rem;
    gap: 0.5rem;
  }
  .top-bar-inner::after {
    content: '';
    order: 3;
    flex-basis: 100%;
    height: 0;
  }
  .brand { order: 1; flex-shrink: 0; }
  .search-box { order: 2; flex: 1; min-width: 0; }
  #topHomeBtn { order: 2; display: flex !important; }
  .source-dropdown { order: 4; }
  .top-bar-actions {
    order: 4;
    width: auto;
    justify-content: center;
    gap: 0.5rem;
    padding-top: 0;
    border-top: none;
  }
  .top-bar-btn { padding: 0.4rem 0.75rem; font-size: var(--font-size-xs); }
  .top-bar-btn .btn-label { display: none; }
  /* 小屏显示顶部收藏按钮 */
  #topFavBtn { display: flex !important; }

  /* category-bar小屏自适应 */
  .category-bar {
    justify-content: flex-start;
    gap: 0.5rem;
    padding: 0.5rem 0 0.75rem;
  }
  .category-tab {
    padding: 0.5rem 0.75rem;
    min-width: auto;
    flex: 1 1 auto;
    max-width: 120px;
  }
  .category-tab .cat-icon { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
  .category-tab .cat-name { font-size: var(--font-size-xs); }

  /* 子类筛选换行 */
  .subcat-filter {
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.5rem 0;
  }
  .subcat-tab {
    flex-shrink: 1;
    padding: 0.35rem 0.7rem;
    font-size: var(--font-size-xs);
  }

  /* 筛选栏换行 */
  .filter-group { flex-wrap: wrap; gap: 0.3rem; }
  .filter-btn { padding: 0.2rem 0.5rem; font-size: var(--font-size-xs); }

  /* 分页换行 */
  .pagination { gap: 0.25rem; padding: 1rem 0; }
  .pagination-btn { padding: 0.3rem 0.6rem; font-size: var(--font-size-xs); }

  /* 播放线路tab换行 */
  .detail-play-tabs-header {
    flex-wrap: wrap;
    gap: 0.4rem;
    padding: 0.5rem 0;
  }
  .detail-play-tab {
    flex-shrink: 1;
    padding: 0.4rem 0.8rem;
    font-size: var(--font-size-xs);
  }

  /* 选集网格自适应 */
  .detail-play-episodes { grid-template-columns: repeat(auto-fill, minmax(70px, 1fr)); gap: 0.35rem; }
  .play-line-episodes { grid-template-columns: repeat(3, 1fr); }

  /* 豆瓣热门页面间距 */
  .douban-section { margin-bottom: 1rem; }
  .douban-section-title { font-size: var(--font-size-base); margin-bottom: 0.5rem; }
}

/* 小手机 */
@media (max-width: 576px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .play-line-episodes { grid-template-columns: repeat(3, 1fr); }
  .episode-grid { grid-template-columns: repeat(auto-fill, minmax(60px, 1fr)); }
  .modal-content { width: 100%; height: 100%; border-radius: 0; }
  .pagination { gap: 0.25rem; }
  .pagination-btn { padding: 0.3rem 0.6rem; font-size: var(--font-size-xs); }
}

/* 极小手机 */
@media (max-width: 380px) {
  .video-grid { grid-template-columns: repeat(3, 1fr); gap: 0.25rem; }
}

/* 电视大屏 */
@media (min-width: 1921px) {
  .video-grid { grid-template-columns: repeat(7, 1fr); }
}

/* ============ 子类筛选 ============ */
.subcat-filter {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.75rem 0;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.subcat-filter::-webkit-scrollbar { display: none; }
.subcat-tab {
  flex-shrink: 0;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}
.subcat-tab:hover { color: var(--color-text-primary); background: var(--color-bg-hover); }
.subcat-tab.active { color: #fff; background: var(--color-accent); border-color: var(--color-accent); font-weight: 600; }

/* ============ 收藏按钮 ============ */
.fav-btn {
  font-size: var(--font-size-xl);
  padding: 0.25rem;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: 0.5rem;
}
.fav-btn:hover { transform: scale(1.15); }
.fav-btn.active { color: var(--color-accent); }

/* ============ 收藏卡片删除 ============ */
.video-card-delete {
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border-radius: 50%;
  font-size: var(--font-size-xs);
  cursor: pointer;
  z-index: 3;
  transition: all var(--transition-fast);
}
.video-card-delete:hover { background: var(--color-accent); }

/* ============ 地区年份筛选 ============ */
.filter-bar {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.5rem 0;
  margin-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.filter-group {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.filter-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  white-space: nowrap;
  padding-right: 0.25rem;
}
.filter-btn {
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}
.filter-btn:hover { color: var(--color-text-primary); background: var(--color-bg-hover); }
.filter-btn.active { color: #fff; background: var(--color-accent); border-color: var(--color-accent); }

/* ============ 海报左右箭头 ============ */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.5);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
  border: none;
}
.hero-arrow:hover { background: rgba(0, 0, 0, 0.75); color: #fff; }
.hero-arrow-left { left: 1rem; }
.hero-arrow-right { right: 1rem; }

/* 分类总数显示 */
.cat-total-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.5rem 0;
  margin-bottom: 0.5rem;
}

/* t3: 详情页收藏按钮行 */
.detail-fav-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
}
.detail-fav-row .fav-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* m3u8推荐标签 */
.tab-badge {
  background: var(--color-accent);
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  margin-left: 4px;
}

/* ============ 豆瓣热门页面 ============ */
.douban-section {
  margin-bottom: 1.5rem;
}
.douban-section-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
}