/**
 * 相关文章组件 - 双栏版样式
 *
 * 基于主题内置相关文章样式，添加双栏布局支持
 * 所有字体大小、颜色与内置组件保持一致
 */

/* ============================================================
   基础样式
   ============================================================ */

.wifilu-com-related-articles-double {
  container-type: inline-size;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 14px;
}

.wifilu-com-related-articles-double__title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 16px;
}

.wifilu-com-related-articles-double__title-icon {
  display: inline-flex;
  align-items: center;
  width: 20px;
  height: 20px;
  color: var(--theme-color, #4f46e5);
}

.wifilu-com-related-articles-double__list {
  display: grid;
  gap: 16px;
}

.wifilu-com-related-articles-double__item {
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.wifilu-com-related-articles-double__name {
  font-size: 14px;
  color: var(--text-content);
  line-height: 1.5;
  transition: color 0.2s;
}

.wifilu-com-related-articles-double__excerpt {
  font-size: 13px;
  color: var(--text-tertiary);
  line-height: 1.6;
  margin: 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}

.wifilu-com-related-articles-double__date {
  font-size: 12px;
  color: var(--text-muted);
}

.wifilu-com-related-articles-double__thumb {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background: var(--bg-hover);
}

.wifilu-com-related-articles-double__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wifilu-com-related-articles-double__info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.wifilu-com-related-articles-double__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.wifilu-com-related-articles-double__empty {
  text-align: center;
  padding: 24px 0;
  font-size: 14px;
  color: var(--text-muted);
}

/* ============================================================
   图文混排样式（双栏版）
   ============================================================ */

[class*="--image_text"] [class*="__list"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

[class*="--image_text"] [class*="__item"] {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-secondary);
}

[class*="--image_text"] [class*="__item"]:nth-last-child(-n+2) {
  border-bottom: none;
}

[class*="--image_text"] [class*="__item"]:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}

[class*="--image_text"] [class*="__item"]:hover [class*="__name"] {
  color: var(--theme-color, #4f46e5);
}

[class*="--image_text"] [class*="__thumb"] {
  width: 100px;
  height: 75px;
  flex-shrink: 0;
}

[class*="--image_text"] [class*="__info"] {
  flex: 1;
  overflow: hidden;
  width: 0;
}

[class*="--image_text"] [class*="__name"] {
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
  width: 100%;
}

[class*="--image_text"] [class*="__excerpt"] {
  font-size: 12px;
  line-height: 1.5;
  margin-bottom: 4px;
}

[class*="--image_text"] [class*="__meta"] {
  margin-top: auto;
}

/* ============================================================
   纯文本样式（双栏版）
   ============================================================ */

[class*="--text"] [class*="__list"] {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  row-gap: 12px;
  column-gap: 12px;
}

[class*="--text"] [class*="__item"] {
  display: flex;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-secondary);
  min-width: 0;
}

[class*="--text"] [class*="__item"]:nth-last-child(-n+2) {
  border-bottom: none;
}

[class*="--text"] [class*="__item"]:hover [class*="__name"] {
  color: var(--theme-color, #3b82f6);
}

[class*="--text"] [class*="__info"] {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  gap: 12px;
}

[class*="--text"] [class*="__name"] {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[class*="--text"] [class*="__item"]::before {
  content: '·';
  color: var(--text-muted);
  font-weight: bold;
  font-size: 16px;
  line-height: 1;
  margin-right: 6px;
  flex-shrink: 0;
}

[class*="--text"] [class*="__date"] {
  flex-shrink: 0;
}

/* ============================================================
   卡片样式
   ============================================================ */

[class*="--card"] [class*="__list"] {
  grid-template-columns: repeat(3, 1fr);
}

[class*="--card"] [class*="__item"] {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-secondary);
  transition: all 0.3s ease;
}

[class*="--card"] [class*="__item"]:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-color: var(--border-input);
}

[class*="--card"] [class*="__thumb"] {
  aspect-ratio: 16 / 9;
}

[class*="--card"] [class*="__thumb"] img {
  transition: transform 0.3s;
}

[class*="--card"] [class*="__item"]:hover [class*="__thumb"] img {
  transform: scale(1.05);
}

[class*="--card"] [class*="__info"] {
  padding: 10px 12px;
}

[class*="--card"] [class*="__name"] {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 500;
  margin-bottom: 6px;
}

/* ============================================================
   骨架屏样式
   ============================================================ */

[class*="__skeleton"] {
  container-type: inline-size;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: 24px;
  margin-bottom: 14px;
}

[class*="__skeleton-title"] {
  height: 24px;
  width: 120px;
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-hover) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
  margin-bottom: 16px;
}

[class*="__skeleton-list"] {
  display: grid;
  gap: 16px;
}

[class*="__skeleton-item"] {
  display: flex;
  gap: 12px;
  padding: 12px;
}

[class*="__skeleton-thumb"] {
  width: 100px;
  height: 75px;
  flex-shrink: 0;
  border-radius: var(--border-radius-sm);
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-hover) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

[class*="__skeleton-info"] {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

[class*="__skeleton-line"] {
  height: 14px;
  background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-hover) 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 3px;
}

[class*="__skeleton-line--short"] {
  width: 60px;
}

[class*="__skeleton-line--medium"] {
  width: 80%;
}

/* 骨架屏样式变体 */
[class*="__skeleton--image_text"] [class*="__skeleton-list"],
[class*="__skeleton--text"] [class*="__skeleton-list"] {
  grid-template-columns: repeat(2, 1fr);
}

[class*="__skeleton--text"] [class*="__skeleton-list"] {
  gap: 12px;
}

[class*="__skeleton--text"] [class*="__skeleton-item"] {
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
}

[class*="__skeleton--card"] [class*="__skeleton-list"] {
  grid-template-columns: repeat(3, 1fr);
}

[class*="__skeleton--card"] [class*="__skeleton-card"] {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-secondary);
}

[class*="__skeleton--card"] [class*="__skeleton-thumb"] {
  aspect-ratio: 16 / 9;
  width: 100%;
  height: auto;
}

[class*="__skeleton--card"] [class*="__skeleton-info"] {
  padding: 10px 12px;
}

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

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 768px) {
  .wifilu-com-related-articles-double {
    padding: 16px;
  }

  /* 图文和纯文本样式移动端单列 */
  [class*="--image_text"] [class*="__list"],
  [class*="--text"] [class*="__list"],
  [class*="--image_text"] [class*="__skeleton-list"],
  [class*="--text"] [class*="__skeleton-list"] {
    grid-template-columns: 1fr;
  }

  /* 图文样式移动端调整 */
  [class*="--image_text"] [class*="__thumb"],
  [class*="--image_text"] [class*="__skeleton-thumb"] {
    width: 90px;
    height: 68px;
  }

  [class*="--image_text"] [class*="__name"] {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
  }

  [class*="--image_text"] [class*="__excerpt"] {
    display: none;
  }

  /* 卡片样式移动端两列 */
  [class*="--card"] [class*="__list"],
  [class*="--card"] [class*="__skeleton-list"] {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  /* 卡片样式小屏幕单列 */
  [class*="--card"] [class*="__list"],
  [class*="--card"] [class*="__skeleton-list"] {
    grid-template-columns: 1fr;
  }
}