/**
 * Blog Styles: Collection & Single
 *
 * 所有数值通过 CSS 变量控制（由 Customizer → dynamic-css.php 注入到 :root）。
 * 归档页 (archive/index) 和模块嵌入 (module-blog-grid) 共享同一套样式。
 */

/* ══════════════════════════════════════════
   1. Blog Collection — 统一集合布局
   ══════════════════════════════════════════ */

/* 集合标题 */
.blog-collection-title-wrap {
  padding-bottom: 24px;
}

.blog-collection-title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 500;
  margin: 0;
  line-height: 1;
}

/* 归档描述 */
.blog-archive-desc {
  margin-bottom: 32px;
  font-size: 1.125rem;
  color: var(--en-color-text-dim, #666666);
  max-width: 600px;
}


/* ══════════════════════════════════════════
   2. 筛选栏
   ══════════════════════════════════════════ */

.blog-collection-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--en-grid-border-color, #eeeeee);
  margin-bottom: 48px;
}

.blog-collection-filterbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--en-grid-border-color, #eeeeee);
  gap: 20px;
  flex-wrap: wrap;
}

.blog-collection[data-current-view="grid"] .blog-collection-filterbar {
  border-bottom: none;
}

/* 分隔线全宽：突破容器边距 */
.blog-collection .is-separator-fullwidth ~ .blog-collection-filterbar,
.blog-collection.is-separator-fullwidth .blog-collection-filterbar {
  margin-left: calc(-1 * var(--en-page-pad, 20px));
  margin-right: calc(-1 * var(--en-page-pad, 20px));
  padding-left: var(--en-page-pad, 20px);
  padding-right: var(--en-page-pad, 20px);
}

/* 分类筛选按钮组 */
.blog-content-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: var(--en-blog-filter-align, flex-start);
}

.filterbar-left {
  flex: 1;
}

.filterbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 排序下拉菜单 */
.en-sort-dropdown {
  position: relative;
  display: inline-block;
}

.en-sort-toggle {
  background: transparent;
  border: none;
  font-size: 0.8125rem;
  color: var(--en-color-text-dim, #999);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.en-sort-toggle:hover {
  color: var(--en-color-text);
}

.en-sort-toggle .arrow {
  font-size: 0.6em;
  transition: transform 0.2s ease;
}

.en-sort-dropdown:hover .en-sort-toggle .arrow {
  transform: rotate(180deg);
}

.en-sort-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--en-color-bg, #fff);
  border: 1px solid var(--en-color-border, #eee);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s cubic-bezier(0.2, 0, 0.2, 1);
  z-index: 100;
  list-style: none;
  margin: 8px 0 0;
  padding: 6px 0;
}

.en-sort-dropdown:hover .en-sort-menu,
.en-sort-dropdown.is-open .en-sort-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.en-sort-menu li {
  padding: 6px 16px;
  font-size: 0.8125rem;
  color: var(--en-color-text-dim, #666);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.en-sort-menu li:hover,
.en-sort-menu li.is-active {
  color: var(--en-color-text);
  background: var(--en-color-bg-dim, #f5f5f5);
}

.blog-content-filter .filter-btn {
  background: transparent;
  border: 1px solid var(--en-color-border);
  border-radius: 4px;
  padding: 4px 12px;
  font-size: 0.8125rem;
  color: var(--en-color-text-dim, #999);
  cursor: pointer;
  transition: all 0.2s ease;
}

.blog-content-filter .filter-btn:hover,
.blog-content-filter .filter-btn.is-active {
  background: var(--en-blog-filter-active-bg, var(--en-color-text));
  border-color: var(--en-blog-filter-active-bg, var(--en-color-text));
  color: var(--en-blog-filter-active-color, var(--en-color-bg));
}

/* 视图切换按钮 */
.blog-view-toggle {
  display: flex;
  gap: 12px;
}

.toggle-btn {
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--en-color-text-dim, #999999);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.toggle-btn.is-active {
  color: var(--en-color-text, #000000);
}

.toggle-btn:hover {
  color: var(--en-color-text);
}


/* ══════════════════════════════════════════
   3. 卡片通用
   ══════════════════════════════════════════ */

.post-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.post-card-title {
  margin: 0;
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.post-card-link:hover .post-card-title {
  opacity: 0.7;
}

.post-card-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: var(--en-color-text);
  display: inline-block;
  margin-right: 15px;
}

.post-card-date {
  font-size: 0.75rem;
  color: var(--en-color-text-dim, #666666);
}

.post-card-excerpt {
  margin-top: 8px;
  font-size: 0.875rem;
  color: var(--en-color-text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 筛选隐藏过渡 */
.blog-card-item {
  transition: opacity 0.3s ease;
}

.blog-card-item.is-hidden {
  display: none;
}


/* ══════════════════════════════════════════
   4. 网格视图 (Grid)
   ══════════════════════════════════════════ */

/* 视图切换：Grid 模式下隐藏 list card */
.view-grid .blog-card-item .post-card-list {
  display: none;
}

.view-grid .blog-posts-wrap {
  display: grid;
  grid-template-columns: repeat(var(--en-blog-grid-cols, 3), 1fr);
  gap: var(--en-blog-grid-gap, 40px);
}

.post-card-grid .post-card-media {
  aspect-ratio: var(--en-blog-card-ratio, 16/10);
  overflow: hidden;
  margin-bottom: 20px;
  background-color: var(--en-color-bg-dim, #f5f5f5);
}

.post-card-grid .cover-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.2, 0, 0.2, 1);
}

.post-card-grid .post-card-link:hover .cover-image {
  transform: scale(1.05);
}

.post-card-grid .post-card-meta {
  margin-bottom: 12px;
  display: flex;
  align-items: center;
}

/* 默认状态：文字与图片左对齐（无缩进） */
.post-card-grid .post-card-info {
  padding: 0;
}

.post-card-grid .post-card-title {
  font-size: var(--en-blog-card-title-size, 1.5rem);
  line-height: 1.3;
}

.post-card-grid .post-card-subtitle {
  margin-top: 10px;
  font-size: 0.875rem;
  color: var(--en-color-text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* ══════════════════════════════════════════
   5. 网格线条系统 (Outlined Grid)
   ══════════════════════════════════════════ */

/* 线条模式：消除 gap，用 border 替代 */
.view-grid.is-outlined .blog-posts-wrap {
  gap: 0 !important;
  border-top: 1px solid var(--en-grid-border-color);
  border-left: 1px solid var(--en-grid-border-color);
}

.view-grid.is-outlined .blog-card-item {
  border-right: 1px solid var(--en-grid-border-color);
  border-bottom: 1px solid var(--en-grid-border-color);
  box-sizing: border-box;
}

/* 图片与文字之间的分割线 */
.view-grid.is-outlined .post-card-grid .post-card-media {
  border-bottom: 1px solid var(--en-grid-border-color);
  margin-bottom: 0;
}

/* 线框模式内文字区域的基础呼吸缩进（不绑定屏幕边距） */
.view-grid.is-outlined .post-card-grid .post-card-info {
  padding: 1.25rem var(--en-page-pad, 30px);
}


/* ══════════════════════════════════════════
   6. 列表视图 (List)
   ══════════════════════════════════════════ */

/* 视图切换：List 模式下隐藏 grid card */
.view-list .blog-card-item .post-card-grid {
  display: none;
}

.view-list .blog-posts-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--en-blog-list-gap, 0px);
}

.view-list .post-card-list {
  border-bottom: 1px solid var(--en-grid-border-color, #eeeeee);
}

/* 列表分割线全宽 */
.view-list.is-separator-fullwidth .post-card-list {
  margin-left: calc(-1 * var(--en-page-pad, 20px));
  margin-right: calc(-1 * var(--en-page-pad, 20px));
  padding-left: var(--en-page-pad, 20px);
  padding-right: var(--en-page-pad, 20px);
}

.post-card-list .post-card-row {
  display: flex;
  align-items: stretch;
  padding: 32px 0;
  gap: 40px;
  min-height: var(--en-blog-list-height, 160px);
}

.post-card-list-media {
  flex: 0 0 25%;
  background-color: var(--en-color-bg-dim, #f5f5f5);
  border-radius: 4px;
  overflow: hidden;
}

.post-card-list-media.has-no-thumb {
  background-color: transparent;
}

.post-card-list-media .cover-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: var(--en-blog-list-ratio, 1/1);
  transition: transform 0.6s cubic-bezier(0.2, 0, 0.2, 1);
}

.post-card-list .post-card-link:hover .cover-image {
  transform: scale(1.05);
}

.post-card-list-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0; /* Prevent flex blowout */
}

.list-info-top .post-card-title {
  font-size: var(--en-blog-list-title-size, 1.5rem);
  font-weight: 500;
  line-height: 1.3;
  margin: 0;
}

.list-info-top .post-card-excerpt {
  margin-top: 12px;
  font-size: 1rem;
  color: var(--en-color-text-dim, #666666);
  font-family: var(--en-font-primary, inherit);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.list-info-bottom {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--en-font-primary, inherit);
  margin-top: 20px;
}

.list-info-bottom .post-card-category {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--en-color-text);
  margin: 0;
}

.list-info-bottom .post-card-date {
  font-size: 0.8125rem;
  color: var(--en-color-text-dim, #666666);
}


/* ══════════════════════════════════════════
   7. 分页
   ══════════════════════════════════════════ */

.blog-pagination {
  margin-top: 60px;
  text-align: center;
}


/* ══════════════════════════════════════════
   8. 文章详情页 & 统一外边距
   ══════════════════════════════════════════ */

.blog-archive-main,
.blog-single-main {
  width: 100%;
  padding-top: var(--en-page-pad-y);
  padding-bottom: var(--en-page-pad-y);
}

.blog-single-post .post-header {
  padding-bottom: 60px;
}

.blog-single-post .post-meta {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.blog-single-post .post-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.blog-single-post .post-date {
  font-size: 0.75rem;
  color: var(--en-color-text-dim);
}

.blog-single-post .post-title {
  font-size: clamp(2rem, 4vw, 4rem);
  font-weight: 500;
  line-height: 1.1;
  margin: 0 0 24px;
}

.blog-single-post .post-subtitle {
  font-size: 1.5rem;
  color: var(--en-color-text-dim);
  line-height: 1.4;
  max-width: 100%;
  margin: 0;
}

/* 特色图片 */
.blog-single-post .post-hero {
  max-width: var(--en-container-max);
  margin: 0 auto 80px;
  padding-left: var(--en-page-pad);
  padding-right: var(--en-page-pad);
}

.blog-single-post .post-hero-media img {
  width: 100%;
  height: auto;
  max-height: 80vh;
  object-fit: cover;
}

/* 正文继承 content.css 全局规则 */
.blog-single-post .entry-content > p,
.blog-single-post .entry-content > ul,
.blog-single-post .entry-content > ol,
.blog-single-post .entry-content > blockquote,
.blog-single-post .entry-content > h2,
.blog-single-post .entry-content > h3,
.blog-single-post .entry-content > h4,
.blog-single-post .entry-content > h5,
.blog-single-post .entry-content > h6 {
  max-width: 100%;
}


/* ══════════════════════════════════════════
   9. 相关文章
   ══════════════════════════════════════════ */

.post-footer {
  margin-top: 100px;
  padding-bottom: 100px;
  border-top: 1px solid var(--en-grid-border-color, #eeeeee);
}

.related-posts {
  padding-top: 60px;
}

.related-posts-title {
  font-size: 1.5rem;
  margin-bottom: 40px;
  font-weight: 500;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.related-post-item {
  text-decoration: none;
  color: inherit;
  display: block;
}

.related-post-thumb {
  aspect-ratio: 16/10;
  overflow: hidden;
  margin-bottom: 15px;
  background: var(--en-color-bg-dim, #f5f5f5);
}

.related-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.related-post-item:hover .related-post-thumb img {
  transform: scale(1.03);
}

.related-post-name {
  font-size: 1rem;
  margin: 0;
  font-weight: 500;
  line-height: 1.4;
}


/* ══════════════════════════════════════════
   10. 响应式适配
   ══════════════════════════════════════════ */

@media (max-width: 1024px) {
  .view-grid .blog-posts-wrap {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-archive-main,
  .blog-single-main {
    padding-top: var(--en-page-pad-y-mobile);
    padding-bottom: var(--en-page-pad-y-mobile);
  }

  /* 筛选栏拆成两行 */
  .blog-collection-filterbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .filterbar-left,
  .filterbar-right {
    width: 100%;
  }

  .filterbar-right {
    display: flex;
    justify-content: flex-end;
  }

  .view-grid .blog-posts-wrap {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .view-grid.is-outlined .blog-posts-wrap {
    gap: 0 !important;
  }

  .post-card-list .post-card-row {
    flex-direction: column;
    gap: 20px;
    min-height: auto;
    padding: 24px 0;
  }

  .post-card-list-media {
    flex: none;
    width: 100%;
  }

  .list-info-bottom {
    flex-wrap: wrap;
    gap: 12px;
  }

  .blog-single-post .post-title {
    font-size: 2.5rem;
  }

  .blog-single-post .post-hero {
    padding-left: var(--en-page-pad-mobile);
    padding-right: var(--en-page-pad-mobile);
  }

  .related-posts-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================
   全宽容器边缘防溢出保护 (Edge-to-Edge Container Constraints)
   解决开启全宽 (.is-full-width) 时文本撞墙问题
   ========================================================== */

.page-module-inner.is-full-width .post-card-list {
  margin-left: 0 !important;
  margin-right: 0 !important;
}

/* 让这些可能包含文本的容器在失去了外层容器边距时，主动恢复安全墙 */
.page-module-inner.is-full-width .blog-collection-title-wrap,
.page-module-inner.is-full-width .blog-collection-header,
.page-module-inner.is-full-width .blog-collection-filterbar,
.page-module-inner.is-full-width .post-card-list,
.page-module-inner.is-full-width .blog-pagination,
.page-module-inner.is-full-width .post-footer {
  padding-left: var(--en-page-pad, 30px);
  padding-right: var(--en-page-pad, 30px);
}

/* 如果当前是常规网格（无外线框保护），卡片文本也需避开墙壁 */
.page-module-inner.is-full-width .view-grid:not(.is-outlined) .post-card-grid .post-card-info {
  padding-left: var(--en-page-pad, 30px);
  padding-right: var(--en-page-pad, 30px);
}

@media screen and (max-width: 768px) {
  .view-grid.is-outlined .post-card-grid .post-card-info {
    padding-left: var(--en-page-pad-mobile, 15px);
    padding-right: var(--en-page-pad-mobile, 15px);
  }

  .page-module-inner.is-full-width .blog-collection-title-wrap,
  .page-module-inner.is-full-width .blog-collection-header,
  .page-module-inner.is-full-width .blog-collection-filterbar,
  .page-module-inner.is-full-width .post-card-list,
  .page-module-inner.is-full-width .blog-pagination,
  .page-module-inner.is-full-width .post-footer,
  .page-module-inner.is-full-width .view-grid:not(.is-outlined) .post-card-grid .post-card-info {
    padding-left: var(--en-page-pad-mobile, 15px);
    padding-right: var(--en-page-pad-mobile, 15px);
  }
}