/* AI新闻智能生产平台 - 核心样式文件 */

/* Tailwind CSS 变量定义 */
:root {
  --color-primary: #FF000A;
  --color-secondary: #64748B;
  --color-dark: #1E293B;
  --color-light: #F8FAFC;
}

/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background-color: #f5f5f5;
  color: var(--color-dark);
  line-height: 1.6;
}

/* 自定义滚动条样式 */
.content-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.content-scrollbar::-webkit-scrollbar-track {
  background: transparent;
}

.content-scrollbar::-webkit-scrollbar-thumb {
  background: #e0e0e0;
  border-radius: 3px;
}

.content-scrollbar::-webkit-scrollbar-thumb:hover {
  background: #d0d0d0;
}

/* 布局样式 */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 240px;
  background-color: white;
  border-right: 1px solid #e0e0e0;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px 20px;
  border-bottom: 1px solid #f0f0f0;
}

.sidebar-nav {
  flex: 1;
  padding: 20px 0;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.sidebar-item:hover {
  background-color: #f5f5f5;
}

.sidebar-item.active {
  background-color: rgba(255, 0, 10, 0.05);
  color: var(--color-primary);
}

.sidebar-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.sidebar-text {
  font-size: 14px;
}

.badge {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-primary);
  color: white;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.top-nav {
  background-color: white;
  border-bottom: 1px solid #e0e0e0;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.search-container {
  position: relative;
  flex: 1;
  max-width: 500px;
}

.search-input {
  width: 100%;
  padding: 10px 40px 10px 16px;
  border: 1px solid #e0e0e0;
  border-radius: 20px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(255, 0, 10, 0.1);
}

.search-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  cursor: pointer;
  font-size: 16px;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  overflow: hidden;
  cursor: pointer;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.content-area {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* 区域标题样式 */
.section-title {
  font-size: 18px;
  font-weight: bold;
  color: var(--color-dark);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.view-more-link {
  font-size: 14px;
  color: var(--color-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.3s ease;
}

.view-more-link:hover {
  color: #cc0008;
}

/* 按钮样式 */
.button-primary {
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.button-primary:hover {
  background-color: #cc0008;
  transform: translateY(-1px);
}

/* 热点专题卡片样式 - 全网热点模块 */
.topic-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background-color: white;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
  cursor: pointer;
}

.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.topic-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}

.topic-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.topic-card:hover .topic-image img {
  transform: scale(1.05);
}

.category-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 12px;
  background-color: var(--color-primary);
  color: white;
  font-size: 12px;
  border-radius: 16px;
  z-index: 1;
}

.heat-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 4px 12px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 12px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 4px;
  z-index: 1;
}

.heat-badge i {
  color: #ff9800;
}

.topic-info {
  padding: 16px;
  position: relative;
}

.topic-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--color-dark);
  margin-bottom: 12px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.topic-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.topic-stats {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--color-secondary);
}

/* 直播流卡片样式 - 事件直播模块 */
.live-feed-card {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 16px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
  border-left: 4px solid var(--color-primary);
}

.live-feed-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}

.live-feed-content {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.live-feed-image {
  flex: 0 0 120px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}

.live-feed-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.time-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 2px 8px;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 11px;
  border-radius: 10px;
}

/* 智能标签订阅样式 - 我的订阅模块 */
.subscription-tag {
  background-color: #f5f5f5;
  padding: 8px 16px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 14px;
}

.subscription-tag:hover {
  background-color: rgba(255, 0, 10, 0.1);
  color: var(--color-primary);
}

.subscription-count {
  background-color: white;
  color: var(--color-primary);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}

/* 网格布局 */
.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid {
  display: grid;
  gap: 20px;
}

/* 加载动画 */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 40px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* 滚动容器样式 */
.scroll-container {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
}

.scroll-container::-webkit-scrollbar {
  height: 4px;
}

.scroll-container::-webkit-scrollbar-track {
  background: transparent;
}

.scroll-container::-webkit-scrollbar-thumb {
  background: #e0e0e0;
  border-radius: 2px;
}

.scroll-container::-webkit-scrollbar-thumb:hover {
  background: #d0d0d0;
}

/* 图片懒加载样式 */
img[loading="lazy"] {
  background-color: #f3f4f6;
  min-height: 50px;
  transition: opacity 0.3s ease;
}

img[loading="lazy"].lazy-loading {
  opacity: 0.5;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .grid-cols-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid #e0e0e0;
  }
  .sidebar-nav {
    display: flex;
    overflow-x: auto;
    padding: 10px 0;
  }
  .sidebar-item {
    flex-shrink: 0;
    flex-direction: column;
    padding: 10px 15px;
    min-width: 60px;
  }
  .sidebar-text {
    font-size: 12px;
  }
  .content-area {
    padding: 16px;
  }
  .topic-image {
    height: 140px;
  }
  .grid-cols-2,
  .grid-cols-3 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .top-nav {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
  }
  .search-container {
    width: 100%;
    max-width: none;
  }
  .live-feed-content {
    flex-direction: column;
  }
  .live-feed-image {
    flex: none;
    width: 100%;
    height: auto;
  }
}