/* Articles Page - Enhanced Styles */

/* Wider layout on large screens (use most of the viewport width) */
body[data-page="articles"] {
  --container-max: min(92vw, 1720px);
}

/* Articles Header - 优化后的筛选栏 */
.articles-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow-soft);
}

[data-theme="dark"] .articles-header {
  background: rgba(30, 41, 59, 0.6);
  border-color: rgba(148, 163, 184, 0.2);
}

.articles-filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.articles-result-meta {
  font-size: 14px;
  color: var(--muted);
}

.articles-result-meta:empty {
  display: none;
}

/* Enhanced Article Cards - 优化后 */
body[data-page="articles"] .article-card {
  position: relative;
  overflow: hidden;
  padding: 20px !important;
  display: block !important;
  border-left: none !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

body[data-page="articles"] .article-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

body[data-page="articles"] .article-card:hover::before {
  opacity: 1;
}

body[data-page="articles"] .article-card:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12) !important;
  border-color: color-mix(in srgb, var(--primary) 20%, var(--border)) !important;
  border-left-color: transparent !important;
}

[data-theme="dark"] body[data-page="articles"] .article-card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4) !important;
  border-color: rgba(131, 157, 255, 0.3) !important;
}

.article-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

/* 优化后的元信息 - 修正为实际的 .meta 类 */
body[data-page="articles"] .article-card .meta {
  display: block;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--muted);
  opacity: 0.8;
}

.article-card-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

.article-card-date svg {
  width: 14px;
  height: 14px;
}

.article-card-stats {
  display: flex;
  align-items: center;
  gap: 16px;
}

.article-card-stat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.article-card-stat svg {
  width: 14px;
  height: 14px;
}

/* 优化后的标题 */
body[data-page="articles"] .article-title {
  font-size: 22px !important;
  font-weight: 700;
  line-height: 1.4;
  margin: 0 0 10px !important;
  transition: color 0.2s ease;
}

body[data-page="articles"] .article-card:hover .article-title {
  color: var(--primary);
}

/* 优化后的摘要 */
body[data-page="articles"] .article-summary {
  font-size: 15px !important;
  line-height: 1.7;
  color: var(--text);
  opacity: 0.75;
  margin: 0 !important;
}

[data-theme="dark"] body[data-page="articles"] .article-summary {
  color: #cbd5e1;
  opacity: 0.85;
}

/* Enhanced Sidebar */
.articles-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
}

.sidebar-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.sidebar-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-card-title svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* Enhanced Tag List */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
}

.tag-item:hover {
  background: var(--primary-100);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  color: var(--primary-700);
  transform: translateY(-1px);
}

.tag-item.active {
  background: var(--primary-100);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  color: var(--primary-700);
}

.tag-item-count {
  font-size: 11px;
  opacity: 0.7;
}

/* Search Highlight */
.search-highlight {
  background: rgba(247, 173, 54, 0.3);
  padding: 2px 4px;
  border-radius: 4px;
  font-weight: 500;
}

/* Empty State */
.articles-empty {
  text-align: center;
  padding: 80px 20px;
}

.articles-empty-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 24px;
  opacity: 0.3;
}

.articles-empty-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}

.articles-empty-description {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 24px;
}

.articles-empty-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

/* Filter Pills - 优化后 */
.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  padding-right: 32px;
  background: var(--primary-100);
  border: 1px solid color-mix(in srgb, var(--primary) 40%, var(--border));
  border-radius: 999px;
  font-size: 14px;
  color: var(--primary-700);
  font-weight: 500;
  position: relative;
}

.filter-pill-close {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s ease;
  padding: 4px;
}

.filter-pill-close:hover {
  opacity: 1;
}

/* Pagination */
.articles-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  padding: 20px 0;
}

.pagination-bar {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  box-shadow: var(--shadow-soft);
}

.pagination-bar::-webkit-scrollbar {
  display: none;
}

.pagination-bar > * {
  border-right: 1px solid var(--border);
}

.pagination-bar > *:last-child {
  border-right: 0;
}

.pagination-meta {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.pagination-bar .pagination-btn,
.pagination-bar .pagination-ellipsis {
  height: 44px;
  min-width: 56px;
  padding: 0 16px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.pagination-btn:hover {
  background: var(--surface-2);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  color: var(--primary);
}

.pagination-bar .pagination-btn:hover {
  background: var(--surface-2);
  border-color: transparent;
  color: var(--primary);
}

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

.pagination-bar .pagination-btn.active {
  background: var(--primary);
  color: white;
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-weight: 600;
  user-select: none;
}

.pagination-btn svg {
  width: 16px;
  height: 16px;
}

/* Sort Dropdown */
.articles-sort {
  position: relative;
}

.sort-dropdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.sort-dropdown:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
}

.sort-dropdown svg {
  width: 16px;
  height: 16px;
}

.sort-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 8px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
}

.sort-menu.open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sort-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease;
}

.sort-menu-item:hover {
  background: var(--surface-2);
}

.sort-menu-item.active {
  background: var(--primary-100);
  color: var(--primary-700);
}

.sort-menu-item svg {
  width: 16px;
  height: 16px;
}

/* View Toggle */
.view-toggle {
  display: inline-flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
}

.view-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-toggle-btn:hover {
  color: var(--text);
  background: var(--surface-2);
}

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

.view-toggle-btn svg {
  width: 18px;
  height: 18px;
}

/* Grid View */
.article-list.grid-view {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.article-list.grid-view .article-card {
  display: flex;
  flex-direction: column;
}

.article-list.grid-view .article-title {
  font-size: 18px;
}

/* Compact View */
.article-list.compact-view .article-card {
  padding: 12px 16px;
}

.article-list.compact-view .article-title {
  font-size: 16px;
  margin-bottom: 4px;
}

.article-list.compact-view .article-summary {
  display: none;
}

/* Featured Article */
.article-card.featured {
  background: linear-gradient(135deg, rgba(75, 107, 255, 0.05), rgba(99, 102, 241, 0.02));
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}

.article-card.featured::before {
  background: linear-gradient(180deg, var(--primary), transparent);
}

.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--primary);
  color: white;
  font-size: 11px;
  font-weight: 600;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.featured-badge svg {
  width: 12px;
  height: 12px;
}

/* Reading Time */
.reading-time {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--muted);
}

.reading-time svg {
  width: 14px;
  height: 14px;
}

/* Category Badge */
.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.category-badge:hover {
  background: var(--primary-100);
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  color: var(--primary-700);
}

/* Responsive - 优化后 */
@media (max-width: 980px) {
  .articles-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .articles-sidebar {
    position: static;
    display: flex;
    flex-direction: row;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 16px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .articles-sidebar::-webkit-scrollbar {
    display: none;
  }

  .sidebar-card {
    min-width: 280px;
    flex-shrink: 0;
  }

  .article-list.grid-view {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .articles-header {
    padding: 12px 16px;
  }

  .articles-filter-bar {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .filter-pill {
    width: 100%;
    justify-content: space-between;
    font-size: 13px;
    padding: 6px 12px;
    padding-right: 32px;
  }

  .view-toggle {
    width: 100%;
    justify-content: center;
  }

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

  .pagination-btn {
    min-width: 36px;
    height: 36px;
  }

  body[data-page="articles"] .article-card {
    padding: 16px !important;
  }

  body[data-page="articles"] .article-title {
    font-size: 18px !important;
  }

  body[data-page="articles"] .article-summary {
    font-size: 14px !important;
  }
}

/* Dark Mode */
[data-theme="dark"] .sidebar-card {
  background: var(--surface);
  border-color: var(--border);
}

[data-theme="dark"] .article-card.featured {
  background: linear-gradient(135deg, rgba(75, 107, 255, 0.1), rgba(99, 102, 241, 0.05));
}

[data-theme="dark"] .tag-item:hover {
  background: rgba(75, 107, 255, 0.2);
}

/* Animations - 优化后 */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body[data-page="articles"] .article-card {
  animation: slideInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  animation-fill-mode: both;
}

body[data-page="articles"] .article-card:nth-child(1) { animation-delay: 0.05s; }
body[data-page="articles"] .article-card:nth-child(2) { animation-delay: 0.1s; }
body[data-page="articles"] .article-card:nth-child(3) { animation-delay: 0.15s; }
body[data-page="articles"] .article-card:nth-child(4) { animation-delay: 0.2s; }
body[data-page="articles"] .article-card:nth-child(5) { animation-delay: 0.25s; }
body[data-page="articles"] .article-card:nth-child(6) { animation-delay: 0.3s; }
body[data-page="articles"] .article-card:nth-child(7) { animation-delay: 0.35s; }
body[data-page="articles"] .article-card:nth-child(8) { animation-delay: 0.4s; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  body[data-page="articles"] .article-card {
    animation: none;
  }

  body[data-page="articles"] .article-card:hover,
  .sidebar-card:hover,
  .tag-item:hover {
    transform: none;
  }
}