/**
 * News Page Styles - 新闻页面样式
 */

/* ========== 新闻标签 ========== */
.news-tabs {
  display: flex;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-10);
  flex-wrap: wrap;
}

.news-tab {
  padding: var(--spacing-2) var(--spacing-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-white);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.news-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.news-tab.active {
  background: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

/* ========== 新闻列表 ========== */
.news-list {
  display: grid;
  gap: var(--spacing-6);
}

.news-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-6);
  padding: var(--spacing-6);
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
}

.news-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.news-item-img {
  width: 240px;
  height: 160px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-item:hover .news-item-img {
  transform: scale(1.05);
}

.news-item-img-wrapper {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.news-item-content {
  display: flex;
  flex-direction: column;
}

.news-item-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-2);
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.news-item-date::before {
  content: '';
  width: 12px;
  height: 1px;
  background: var(--color-primary);
}

.news-item-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-3);
  color: var(--color-text);
  line-height: var(--line-height-tight);
  transition: color var(--transition-fast);
}

.news-item:hover .news-item-title {
  color: var(--color-primary);
}

.news-item-desc {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-more {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-top: var(--spacing-3);
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

/* ========== 分页 ========== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-10);
}

.pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-white);
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.pagination-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-item.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-white);
}

/* ========== 新闻详情 ========== */
.news-detail-header {
  margin-bottom: var(--spacing-8);
}

.news-detail-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-4);
}

.news-detail-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-4);
}

.news-detail-cover {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-8);
}

/* ========== 响应式 ========== */
@media (max-width: 767.98px) {
  .news-item {
    grid-template-columns: 1fr;
  }
  
  .news-item-img {
    width: 100%;
    height: 200px;
  }
  
  .news-item-img-wrapper {
    order: -1;
  }
  
  .news-detail-title {
    font-size: var(--font-size-2xl);
  }
  
  .pagination {
    flex-wrap: wrap;
  }
}

/* ========== 特色新闻（卡片布局） ========== */
.news-featured {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.news-featured .news-item:first-child {
  grid-row: span 2;
}

.news-featured .news-item:first-child .news-item-img {
  width: 100%;
  height: 280px;
}

@media (max-width: 767.98px) {
  .news-featured {
    grid-template-columns: 1fr;
  }
  
  .news-featured .news-item:first-child {
    grid-row: span 1;
  }
}

/* ========== 资讯分类导航标签 ========== */
.news-category-nav {
  display: flex;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-6);
  flex-wrap: wrap;
  padding-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--color-border-light);
}

.category-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-lg);
  background: var(--color-bg-light);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.category-tab:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.category-tab.active {
  background: var(--color-primary);
  color: var(--color-text-white);
}

.category-tab svg {
  flex-shrink: 0;
}

/* ========== 搜索和筛选栏 ========== */
.news-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
  flex-wrap: wrap;
}

.news-search-box {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  min-width: 280px;
  transition: all var(--transition-fast);
}

.news-search-box:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.news-search-box svg {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.news-search-input {
  border: none;
  outline: none;
  background: transparent;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  width: 100%;
}

.news-search-input::placeholder {
  color: var(--color-text-muted);
}

/* ========== 资讯卡片样式 ========== */
.news-article-list {
  display: grid;
  gap: var(--spacing-6);
}

.news-article-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-5);
  padding: var(--spacing-5);
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  text-decoration: none;
  color: inherit;
}

.news-article-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.news-card-image {
  width: 200px;
  height: 140px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-light);
}

.news-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-article-card:hover .news-card-img {
  transform: scale(1.05);
}

.news-card-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-border-light) 100%);
  color: var(--color-text-muted);
}

.news-card-content {
  display: flex;
  flex-direction: column;
}

.news-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.news-article-card:hover .news-card-title {
  color: var(--color-primary);
}

.news-card-summary {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-card-tags {
  display: flex;
  gap: var(--spacing-2);
  flex-wrap: wrap;
  margin-top: var(--spacing-2);
}

.news-tag {
  padding: 2px var(--spacing-2);
  background: var(--color-bg-light);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  border-radius: var(--radius-sm);
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-top: var(--spacing-3);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.news-card-source,
.news-card-date {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-card-source svg,
.news-card-date svg {
  flex-shrink: 0;
}

/* ========== 数据更新时间 ========== */
.news-update-time {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-4);
  width: fit-content;
}

.news-update-time svg {
  flex-shrink: 0;
}

/* ========== Loading Skeleton ========== */
.news-skeleton {
  pointer-events: none;
}

.skeleton-box {
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-line {
  height: 16px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--color-bg-light) 25%, var(--color-border-light) 50%, var(--color-bg-light) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.skeleton-title {
  width: 80%;
  height: 20px;
  margin-bottom: var(--spacing-3);
}

.skeleton-text {
  width: 100%;
  margin-bottom: var(--spacing-2);
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-meta {
  width: 40%;
  height: 12px;
  margin-top: auto;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ========== 新闻分页组件 ========== */
.news-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-10);
}

.news-pagination .pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-bg-white);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.news-pagination .pagination-item:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.news-pagination .pagination-item.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-white);
}

.pagination-ellipsis {
  color: var(--color-text-muted);
  padding: 0 var(--spacing-2);
}

/* ========== 空状态和错误状态 ========== */
.news-empty-state,
.news-error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-16) var(--spacing-4);
  text-align: center;
}

.news-empty-icon,
.news-error-icon {
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-4);
  opacity: 0.5;
}

.news-empty-text,
.news-error-text {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-4);
}

.news-retry-btn {
  padding: var(--spacing-2) var(--spacing-6);
  background: var(--color-primary);
  color: var(--color-text-white);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.news-retry-btn:hover {
  background: var(--color-primary-dark);
}

/* ========== 标签筛选按钮 ========== */
.news-filter-tag {
  padding: var(--spacing-1) var(--spacing-3);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

/* ========== 资讯页面响应式 ========== */
@media (max-width: 767.98px) {
  .news-category-nav {
    gap: var(--spacing-2);
  }

  .category-tab {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
  }

  .category-tab svg {
    width: 14px;
    height: 14px;
  }

  .news-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .news-search-box {
    min-width: 100%;
  }

  .news-article-card {
    grid-template-columns: 1fr;
  }

  .news-card-image {
    width: 100%;
    height: 180px;
    order: -1;
  }

  .news-pagination {
    flex-wrap: wrap;
  }
}