/* === 全局样式 === */
:root {
  --primary-color: #6366f1;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --background-color: #121212;
  --card-background: #1e1e1e;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --border-color: #333333;
  --hover-color: #2a2a2a;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --transition: all 0.3s ease;
  --font-size-xs: 10px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 30px;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* === SVG图标样式 === */
.svg-icon {
  width: 16px;
  height: 16px;
  fill: currentColor;
  display: inline-block;
  vertical-align: middle;
}

.svg-icon-lg {
  width: 24px;
  height: 24px;
}

.svg-icon-xl {
  width: 32px;
  height: 32px;
}

/* === 装饰元素 === */
.decorative-element {
  position: absolute;
  pointer-events: none;
  z-index: -1;
  opacity: 0.1;
}

.decorative-circle {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-color), transparent);
  filter: blur(50px);
}

.decorative-grid {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
  z-index: -1;
}

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

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background-color: var(--background-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  margin-top: 320px;
}

/* === 顶部导航栏 === */
.header {
  background-color: var(--card-background);
  box-shadow: var(--box-shadow);
  padding: 16px 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header .logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.header .nav {
  display: flex;
  gap: 20px;
}

.header .nav a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-md);
  font-weight: 500;
  transition: var(--transition);
  padding: 8px 12px;
  border-radius: var(--border-radius);
}

.header .nav a:hover {
  background-color: var(--hover-color);
  color: var(--primary-color);
}

.header .nav a.active {
  background-color: var(--primary-color);
  color: white;
}

/* === 搜索和筛选 === */
.search-container {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  position: relative;
  width: 100%;
  box-sizing: border-box;
}

.search-input {
  flex: 1;
  padding: 12px 16px;
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  transition: var(--transition);
  min-width: 0;
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filter-btn {
  padding: 12px 16px;
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.filter-btn:hover {
  background-color: var(--hover-color);
  border-color: var(--primary-color);
}

/* === 标签分类 === */
.tags-container {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  flex-wrap: wrap;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

.tag {
  padding: 8px 16px;
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.tag:hover {
  background-color: var(--hover-color);
  border-color: var(--primary-color);
}

.tag.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

/* === 视图切换 === */
.view-toggle {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 4px;
  width: fit-content;
}

.view-toggle button {
  padding: 8px 16px;
  background: transparent;
  border: none;
  border-radius: var(--border-radius);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
}

.view-toggle button:hover {
  color: var(--text-primary);
}

.view-toggle button.active {
  background-color: var(--primary-color);
  color: white;
}

/* === 排序控制 === */
.sort-container {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0;
}

.sort-select {
  padding: 8px 12px;
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition);
}

.sort-select:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* === 卡片网格 === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

/* === 网格布局 === */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin: 20px 0;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

/* === 频道分组 === */
.channel-group {
  margin: 20px 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background-color: var(--card-background);
}

.channel-group details {
  transition: var(--transition);
}

.channel-group summary {
  padding: 16px;
  background-color: var(--hover-color);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--font-size-md);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: var(--transition);
  list-style: none;
}

.channel-group summary:hover {
  background-color: var(--primary-color);
  color: white;
}

.channel-group summary::-webkit-details-marker {
  display: none;
}

.channel-group summary::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid currentColor;
  transition: var(--transition);
}

.channel-group details[open] summary::after {
  transform: rotate(180deg);
}

.channel-group .group-content {
  padding: 16px;
  animation: fadeIn 0.3s ease forwards;
}

/* === 高频频道横向滚动 === */
.frequent-scroll {
  overflow-x: auto;
  padding: 16px 0;
  margin: 20px 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.frequent-scroll::-webkit-scrollbar {
  display: none;
}

.frequent-scroll .grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
  padding: 0 16px;
  width: 100%;
  box-sizing: border-box;
}

/* === 频道卡片样式 === */
.channel-card {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 16px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
  text-align: center;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.channel-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: var(--primary-color);
}

.channel-card h3 {
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-card .country-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.channel-card .watch-count {
  font-size: var(--font-size-xs);
  color: var(--primary-color);
  font-weight: 500;
  margin-top: auto;
  display: inline-block;
  padding: 2px 6px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.channel-card .menu-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--hover-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.channel-card .menu-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.channel-card.add-card {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--text-secondary);
  border: 2px dashed var(--border-color);
  background-color: transparent;
}

.channel-card.add-card:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: rgba(99, 102, 241, 0.1);
}

.card {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: var(--primary-color);
}

.card h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.card p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.card .menu-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--hover-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-primary);
  font-size: var(--font-size-md);
  font-weight: 600;
}

.card .menu-btn:hover {
  background-color: var(--primary-color);
  color: white;
}

.card.add-card {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: var(--text-secondary);
  border: 2px dashed var(--border-color);
  background-color: transparent;
}

.card.add-card:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  background-color: rgba(99, 102, 241, 0.1);
}

/* === 列表视图 === */
.list-view {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin: 20px 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.list-header {
  display: grid;
  grid-template-columns: 50px 1fr 200px 120px 150px;
  gap: 10px;
  padding: 16px 20px;
  background-color: var(--hover-color);
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.list-group {
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.list-group-header {
  background-color: var(--hover-color);
  padding: 16px 20px;
  font-weight: 600;
  font-size: var(--font-size-md);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.list-item {
  display: grid;
  grid-template-columns: 50px 1fr 200px 120px 150px;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.list-item:hover {
  background-color: var(--hover-color);
}

.list-item:last-child {
  border-bottom: none;
}

.checkbox {
  display: flex;
  align-items: center;
}

.checkbox input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-color);
}

.name {
  font-weight: 500;
  color: var(--text-primary);
}

.url {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.action-btn {
  padding: 6px 12px;
  background-color: var(--hover-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.action-btn:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

/* === 播放区域 === */
.player-box {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  height: 300px;
  background-color: var(--card-background);
  border-radius: 0;
  box-shadow: var(--box-shadow);
  overflow: hidden;
  border: 1px solid var(--border-color);
  z-index: 999;
}

.player-box video,
.player-box iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* === 统计信息 === */
.stats-container {
  display: flex;
  gap: 12px;
  margin: 10px 0;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
  padding: 5px 0;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: linear-gradient(135deg, var(--card-background), var(--hover-color));
  border-radius: 16px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.stat-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: bold;
  color: white;
}

.stat-value {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0;
  min-width: 20px;
  text-align: center;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* === 观看次数 === */
.watch-count {
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  font-weight: 500;
  margin-top: 5px;
  display: inline-block;
  padding: 2px 6px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

/* === 功能按钮组 === */
.btn-group {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.func-btn {
  padding: 12px 24px;
  background-color: var(--primary-color);
  border: none;
  border-radius: var(--border-radius);
  color: white;
  cursor: pointer;
  transition: var(--transition);
  font-size: 16px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.func-btn:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.4);
}

/* === 友情链接 === */
.link-zone {
  margin: 20px 0;
}

.link-zone .zone-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.link-zone .zone-title i {
  width: 4px;
  height: 20px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 15px;
}

.link-card {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 15px;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid var(--border-color);
  text-align: center;
}

.link-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: var(--primary-color);
}

.link-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 5px;
}

/* === 操作菜单 === */
#menu {
  position: fixed;
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  z-index: 1000;
  border: 1px solid var(--border-color);
  min-width: 180px;
  display: none;
}

#menu div {
  padding: 12px 16px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
}

#menu div:hover {
  background-color: var(--hover-color);
  color: var(--primary-color);
}

#menu div:first-child {
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

#menu div:last-child {
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* === 加载提示 === */
.loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--card-background);
  padding: 20px 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  z-index: 1000;
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 500;
  border: 1px solid var(--border-color);
  display: none;
}

/* === 版权信息 === */
.copyright {
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  color: var(--text-secondary);
  font-size: 14px;
  border-top: 1px solid var(--border-color);
}

/* === 随机播放按钮 === */
#randomPlayBtn {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--error-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  z-index: 9999; /* 提高z-index确保不被覆盖 */
  transition: var(--transition);
  border: 2px solid white;
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
}

#randomPlayBtn:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

#randomPlayBtn svg {
  width: 24px;
  height: 24px;
  fill: white;
  display: block;
}

/* 移动端优化 */
@media (max-width: 768px) {
  #randomPlayBtn {
    bottom: 70px;
    right: 15px;
    width: 60px;
    height: 60px;
    font-size: 24px;
    box-shadow: 0 8px 16px -4px rgba(0, 0, 0, 0.3);
    border: 2px solid white;
  }
  
  #randomPlayBtn svg {
    width: 28px;
    height: 28px;
  }
}

/* === 响应式设计 === */
@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .header {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }
  
  .header .nav {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .card-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
  }
  
  .list-header,
  .list-item {
    grid-template-columns: 40px 1fr;
    gap: 10px;
  }
  
  .list-header > div:nth-child(n+3),
  .list-item > div:nth-child(n+3) {
    display: none;
  }
  
  .stats-container {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
  }
  
  .player-box {
    height: 250px;
  }
  
  .view-toggle {
    width: 100%;
    justify-content: space-between;
  }
  
  .view-toggle button {
    flex: 1;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .search-container {
    flex-direction: column;
  }
  
  .btn-group {
    flex-direction: column;
  }
  
  .func-btn {
    width: 100%;
    justify-content: center;
  }
}

/* === 动画效果 === */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card,
.stat-item,
.list-item {
  animation: fadeIn 0.3s ease forwards;
}

/* === 滚动条样式 === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-color);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* === 选择文本样式 === */
::selection {
  background-color: var(--primary-color);
  color: white;
}

/* === 焦点样式 === */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* === 禁用状态 === */
.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.disabled:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--border-color);
}

/* === 错误提示 === */
.error {
  background-color: rgba(239, 68, 68, 0.1);
  border-left: 4px solid var(--error-color);
  padding: 12px 16px;
  margin: 20px 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--error-color);
}

/* === 成功提示 === */
.success {
  background-color: rgba(16, 185, 129, 0.1);
  border-left: 4px solid var(--success-color);
  padding: 12px 16px;
  margin: 20px 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--success-color);
}

/* === 警告提示 === */
.warning {
  background-color: rgba(245, 158, 11, 0.1);
  border-left: 4px solid var(--warning-color);
  padding: 12px 16px;
  margin: 20px 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--warning-color);
}

/* === 信息提示 === */
.info {
  background-color: rgba(59, 130, 246, 0.1);
  border-left: 4px solid var(--info-color);
  padding: 12px 16px;
  margin: 20px 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  color: var(--info-color);
}

/* === 平台特定样式 === */
.zone {
  margin: 30px 0;
}

.zone-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.zone-title i {
  width: 4px;
  height: 20px;
  background-color: var(--primary-color);
  border-radius: 2px;
}

.douyu .zone-title i {
  background-color: #ff6b6b;
}

.huya .zone-title i {
  background-color: #4ecdc4;
}

.bilibili .zone-title i {
  background-color: #ff9ff3;
}

/* === 卡片悬停效果 === */
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: var(--transition);
}

.card:hover::before {
  transform: scaleX(1);
}

/* === 按钮加载状态 === */
.btn-loading {
  position: relative;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* === 深色/浅色主题切换 === */
.theme-toggle {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 8px 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 5px;
}

.theme-toggle:hover {
  background-color: var(--hover-color);
  border-color: var(--primary-color);
}

/* === 响应式导航 === */
.mobile-nav-toggle {
  display: none;
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 8px 12px;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
}

.mobile-nav-toggle:hover {
  background-color: var(--hover-color);
  border-color: var(--primary-color);
}

@media (max-width: 768px) {
  .mobile-nav-toggle {
    display: block;
  }
  
  .header .nav {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 10px;
  }
  
  .header .nav.active {
    display: flex;
  }
}

/* === 拖拽排序样式 === */
.dragging {
  opacity: 0.5;
  transform: rotate(5deg);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

.drag-over {
  border: 2px dashed var(--primary-color);
  background-color: rgba(99, 102, 241, 0.1);
}

/* === 批量操作工具栏 === */
.bulk-actions {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 16px 20px;
  margin: 20px 0;
  border: 1px solid var(--border-color);
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

.bulk-actions .action-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

.bulk-actions .action-btn {
  padding: 8px 16px;
  font-size: 14px;
}

/* === 搜索结果为空提示 === */
.empty-state {
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  padding: 60px 20px;
  text-align: center;
  margin: 20px 0;
  border: 1px solid var(--border-color);
}

.empty-state h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.empty-state p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.empty-state button {
  padding: 12px 24px;
  background-color: var(--primary-color);
  border: none;
  border-radius: var(--border-radius);
  color: white;
  cursor: pointer;
  transition: var(--transition);
  font-size: 16px;
  font-weight: 500;
}

.empty-state button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.4);
}

/* === 工具提示 === */
.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltip-text {
  visibility: hidden;
  width: 200px;
  background-color: var(--card-background);
  color: var(--text-primary);
  text-align: center;
  border-radius: var(--border-radius);
  padding: 8px 12px;
  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  box-shadow: var(--box-shadow);
  font-size: 14px;
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* === 加载动画 === */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(99, 102, 241, 0.3);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

/* === 频道状态指示器 === */
.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}

.status-indicator.online {
  background-color: var(--success-color);
}

.status-indicator.offline {
  background-color: var(--error-color);
}

.status-indicator.unknown {
  background-color: var(--warning-color);
}

/* === 卡片徽章 === */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  margin-right: 8px;
}

.badge-primary {
  background-color: rgba(99, 102, 241, 0.2);
  color: var(--primary-color);
}

.badge-secondary {
  background-color: rgba(139, 92, 246, 0.2);
  color: var(--secondary-color);
}

.badge-accent {
  background-color: rgba(236, 72, 153, 0.2);
  color: var(--accent-color);
}

/* === 响应式字体大小 === */
@media (max-width: 768px) {
  h1 {
    font-size: 24px;
  }
  
  h2 {
    font-size: 20px;
  }
  
  h3 {
    font-size: 18px;
  }
  
  p {
    font-size: 14px;
  }
}

/* === 无障碍支持 === */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* === 打印样式 === */
@media print {
  body {
    background-color: white;
    color: black;
  }
  
  .header,
  .search-container,
  .tags-container,
  .view-toggle,
  .sort-container,
  .btn-group,
  .loading,
  #menu {
    display: none;
  }
  
  .card,
  .list-view,
  .stat-item {
    box-shadow: none;
    border: 1px solid #ccc;
  }
  
  .copyright {
    border-top: 1px solid #ccc;
  }
}