/**
 * blog.css — chỉ tải trên Blog list (archive chk_blog) + Blog detail
 * (single chk_blog). Dùng chung design token đã có ở tokens.css (font,
 * màu, radius, shadow) — file này chỉ chứa layout riêng của 2 loại trang
 * Blog, tránh phình main.css của trang chủ.
 */

/* ── Breadcrumb (dùng chung list + detail, cả 2 breakpoint) ──────── */
.chk-breadcrumb { padding: 16px var(--chk-section-px) 0; }
.chk-breadcrumb__list {
  list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center;
  max-width: var(--chk-content-max-narrow); margin-left: auto; margin-right: auto;
  font-size: 13px; color: var(--chk-gray-muted);
}
.chk-breadcrumb__list a { color: var(--chk-gray-muted); font-weight: 600; }
.chk-breadcrumb__list a:hover { color: var(--chk-gold); }
.chk-breadcrumb__sep { color: #c2c5d9; margin: 0 8px; }
.chk-breadcrumb__current { color: var(--chk-ink); font-weight: 700; }

/* ── Hero + Search ────────────────────────────────────────────── */
.chk-blog-hero-bg { padding-bottom: 32px; }
.chk-blog-hero { padding: 48px var(--chk-section-px) 0; max-width: 800px; margin: 0 auto; text-align: center; }
.chk-blog-hero__title { font-size: 38px; font-weight: 800; letter-spacing: -0.8px; margin: 0 0 14px; color: var(--chk-ink); }
.chk-blog-hero__subtitle { font-size: 15.5px; color: var(--chk-gray-body); line-height: 1.6; margin: 0 0 24px; }
.chk-blog-search {
  max-width: 480px; margin: 0 auto; display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--chk-border); border-radius: 10px; padding: 11px 16px;
  box-shadow: 0 8px 20px rgba(16, 18, 43, 0.06); color: #9096b8;
}
.chk-blog-search input { border: none; outline: none; background: transparent; font-size: 13.5px; color: var(--chk-ink); width: 100%; font-family: var(--chk-font); }

/* ── Layout chính: sidebar + content ──────────────────────────── */
.chk-blog-main { padding: 0 var(--chk-section-px) 60px; }
.chk-blog-main__inner { max-width: var(--chk-content-max); margin: 0 auto; display: grid; grid-template-columns: 250px 1fr; gap: 36px; align-items: start; }
.chk-blog-empty { color: var(--chk-gray-body); font-size: 14px; }

/* ── Bộ lọc category ──────────────────────────────────────────── */
.chk-blog-catfilter__label,
.chk-blog-catfilter__topics-label { font-size: 11.5px; font-weight: 800; color: #9096b8; letter-spacing: 0.4px; margin-bottom: 6px; }
.chk-blog-catfilter__list--desktop { display: flex; flex-direction: column; gap: 4px; }
.chk-blog-catfilter__list--mobile { display: none; }
.chk-blog-catfilter__row {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 9px;
  color: var(--chk-gray-label); font-weight: 600; font-size: 13.5px;
}
.chk-blog-catfilter__row.is-active { background: var(--chk-cream); color: var(--chk-ink); font-weight: 700; }
.chk-blog-catfilter__row em { margin-left: auto; color: #9096b8; font-weight: 600; font-style: normal; }
.chk-blog-catfilter__divider { height: 1px; background: var(--chk-border); margin: 14px 0; }
.chk-blog-catfilter__topics-label { margin-top: 8px; margin-bottom: 8px; }
.chk-blog-catfilter__topics { display: flex; flex-wrap: wrap; gap: 6px; }
.chk-blog-catfilter__topic { font-size: 12px; font-weight: 600; color: var(--chk-gray-body); background: var(--chk-fill-light); padding: 5px 10px; border-radius: 999px; }

/* Dropdown mobile */
.chk-blog-catfilter__dropdown-wrap { position: relative; }
.chk-blog-catfilter__trigger {
  width: 100%; display: flex; align-items: center; gap: 9px; padding: 11px 14px; border-radius: 12px;
  background: var(--chk-cream); border: 1px solid rgba(184, 134, 47, 0.25); color: var(--chk-gold);
}
.chk-blog-catfilter__trigger-name { font-size: 13px; font-weight: 700; color: var(--chk-ink); flex: 1; text-align: left; }
.chk-blog-catfilter__trigger em { font-size: 11.5px; font-weight: 600; color: #9096b8; font-style: normal; }
.chk-blog-catfilter__chevron { color: var(--chk-gold-grad-2); transition: transform 0.2s ease; flex-shrink: 0; }
.chk-blog-catfilter__trigger.is-open .chk-blog-catfilter__chevron { transform: rotate(180deg); }
.chk-blog-catfilter__dropdown {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 20;
  background: #fff; border: 1px solid var(--chk-border); border-radius: 12px;
  box-shadow: 0 14px 34px rgba(16, 18, 43, 0.14); padding: 6px; display: flex; flex-direction: column; gap: 2px;
}
.chk-blog-catfilter__dropdown[hidden] { display: none !important; }
.chk-blog-catfilter__drow { display: flex; align-items: center; gap: 9px; padding: 10px; border-radius: 9px; color: var(--chk-gray-label); font-weight: 600; font-size: 13px; }
.chk-blog-catfilter__drow.is-active { background: var(--chk-fill-light); color: var(--chk-ink); }
.chk-blog-catfilter__drow em { margin-left: auto; color: #9096b8; font-weight: 600; font-style: normal; }

/* ── Category block (featured + grid) ────────────────────────── */
.chk-blog-catblock { margin-bottom: 36px; }
.chk-blog-catblock__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.chk-blog-catblock__head--page { margin-bottom: 24px; }
.chk-blog-catblock__label { font-size: 13px; font-weight: 800; }
.chk-blog-catblock__viewall { font-size: 12.5px; font-weight: 700; color: var(--chk-gray-body); }
.chk-blog-catfilter-count { font-size: 13px; color: var(--chk-gray-muted); }

.chk-blog-featured {
  display: grid; grid-template-columns: 1fr 1fr; background: #fff; border: 1px solid var(--chk-border);
  border-radius: 16px; overflow: hidden; margin-bottom: 16px;
}
.chk-blog-featured__image { width: 100%; aspect-ratio: 16 / 10; background: var(--chk-fill-light); }
.chk-blog-featured__image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chk-blog-featured__image-placeholder { display: block; width: 100%; height: 100%; background: var(--chk-fill-light-2); }
.chk-blog-featured__body { padding: 24px; display: flex; flex-direction: column; justify-content: center; gap: 10px; }
.chk-blog-featured__overline { font-size: 11.5px; font-weight: 800; }
.chk-blog-featured__title { font-size: 18px; font-weight: 800; color: var(--chk-ink); margin: 0; line-height: 1.35; }
.chk-blog-featured__desc { font-size: 13px; color: #5c6288; line-height: 1.6; margin: 0; }
.chk-blog-featured__meta { font-size: 12px; color: var(--chk-gray-muted); }

.chk-blog-catblock__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chk-blog-catblock__grid--tax { grid-template-columns: repeat(3, 1fr); }
.chk-blog-card { border: 1px solid var(--chk-border); border-radius: 12px; overflow: hidden; display: block; background: #fff; }
.chk-blog-card__image { width: 100%; aspect-ratio: 16 / 10; background: var(--chk-fill-light); }
.chk-blog-card__image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chk-blog-card__image-placeholder { display: block; width: 100%; height: 100%; background: var(--chk-fill-light-2); }
.chk-blog-card__body { padding: 14px; }
.chk-blog-card__title { font-size: 14px; font-weight: 800; color: var(--chk-ink); line-height: 1.35; margin-bottom: 6px; }
.chk-blog-card__meta { font-size: 11.5px; color: #9096b8; }

.chk-blog-pagination { margin-top: 24px; display: flex; justify-content: center; gap: 8px; }
.chk-blog-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px;
  border-radius: 9px; border: 1px solid var(--chk-border); color: var(--chk-gray-label); font-size: 13px; font-weight: 600; padding: 0 10px;
}
.chk-blog-pagination .page-numbers.current { background: var(--chk-gold); color: #fff; border-color: var(--chk-gold); }

/* ── Changelog card ───────────────────────────────────────────── */
.chk-blog-changelog { border: 1px solid var(--chk-border); border-radius: 14px; padding: 22px 24px; background: var(--chk-fill-light); }
.chk-blog-changelog__head { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; color: #9c5ce0; }
.chk-blog-changelog__label { font-size: 13px; font-weight: 800; color: #9c5ce0; }
.chk-blog-changelog__list { display: flex; flex-direction: column; gap: 14px; }
.chk-blog-changelog__item { display: flex; gap: 14px; align-items: flex-start; }
.chk-blog-changelog__version { font-size: 11.5px; font-weight: 800; color: #fff; background: #9c5ce0; padding: 3px 9px; border-radius: 6px; flex-shrink: 0; margin-top: 1px; }
.chk-blog-changelog__title { font-size: 13.5px; font-weight: 700; color: var(--chk-ink); line-height: 1.5; }
.chk-blog-changelog__date { font-size: 11.5px; color: #9096b8; margin-top: 2px; }

/* ── Footer tối giản ──────────────────────────────────────────── */
.chk-blog-footer-minimal { background: var(--chk-navy-2); padding: 40px var(--chk-section-px); text-align: center; }
.chk-blog-footer-minimal span { font-size: 13px; color: #5a608c; }

/* ── Mobile ───────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .chk-blog-main__inner { grid-template-columns: 1fr; }
  .chk-blog-sidebar { order: -1; }
}
@media (max-width: 768px) {
  .chk-blog-hero { padding-top: 16px; }
  .chk-blog-hero__title { font-size: 24px; letter-spacing: -0.5px; }
  .chk-blog-hero__subtitle { font-size: 13.5px; }
  .chk-blog-search input { font-size: 13px; }

  .chk-blog-catfilter__list--desktop { display: none; }
  .chk-blog-catfilter__list--mobile { display: block; }

  .chk-blog-featured { grid-template-columns: 1fr; }
  .chk-blog-featured__image { aspect-ratio: 16 / 9; }
  .chk-blog-featured__title { font-size: 15.5px; }
  .chk-blog-featured__desc { font-size: 12.5px; }

  .chk-blog-catblock__grid,
  .chk-blog-catblock__grid--tax { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .chk-blog-card--desktop-only { display: none; } /* README: grid mobile trim 3→2 */
  .chk-blog-card__body { padding: 11px; }
  .chk-blog-card__title { font-size: 12.5px; }

  .chk-blog-changelog { padding: 18px 16px; }
}

/* ══════════════════════════════════════════════════════════════
   BLOG DETAIL (single-chk_blog.php)
   ══════════════════════════════════════════════════════════════ */
.chk-blog-article { background: #fff; color: #20244a; }
.chk-blog-article__head { max-width: var(--chk-content-max-narrow); margin: 0 auto; padding: 36px var(--chk-section-px) 0; }
.chk-blog-article__back { font-size: 13px; font-weight: 700; color: var(--chk-gold); }
.chk-blog-article__overline { font-size: 12px; font-weight: 800; margin-top: 20px; letter-spacing: 0.3px; }
.chk-blog-article__title { font-size: 32px; font-weight: 800; color: var(--chk-ink); margin: 12px 0 16px; line-height: 1.3; max-width: 800px; }

.chk-blog-article__grid {
  max-width: var(--chk-content-max-narrow); margin: 0 auto; padding: 0 var(--chk-section-px);
  display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: start;
}
.chk-blog-article__main { max-width: 800px; }

.chk-blog-byline { display: flex; align-items: center; gap: 10px; padding: 18px 0; border-top: 1px solid var(--chk-border); border-bottom: 1px solid var(--chk-border); margin-bottom: 28px; }
.chk-blog-byline__avatar { width: 38px; height: 38px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.chk-blog-byline__avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chk-blog-byline__name { font-size: 13.5px; font-weight: 700; color: var(--chk-ink); }
.chk-blog-byline__meta { font-size: 12px; color: #9096b8; }

.chk-blog-article__hero-image { width: 100%; aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden; margin-bottom: 28px; background: var(--chk-fill-light); }
.chk-blog-article__hero-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chk-blog-article__hero-placeholder { display: block; width: 100%; height: 100%; background: var(--chk-fill-light-2); }

/* Thân bài — nội dung do WP editor sinh ra (the_content), style theo token gốc */
.chk-blog-article__body { font-size: 15.5px; color: #33395e; line-height: 1.85; display: flex; flex-direction: column; gap: 16px; }
.chk-blog-article__body p { margin: 0; }
.chk-blog-article__body h2 { font-size: 20px; font-weight: 800; color: var(--chk-ink); margin: 8px 0 0; scroll-margin-top: 90px; }
.chk-blog-article__body h3 { font-size: 17px; font-weight: 800; color: var(--chk-ink); margin: 4px 0 0; }
.chk-blog-article__body ul, .chk-blog-article__body ol { margin: 0; padding-left: 22px; }
.chk-blog-article__body img { max-width: 100%; border-radius: 10px; height: auto; }
.chk-blog-article__body a { text-decoration: underline; }

/* Mục lục (dùng chung 2 vị trí) */
.chk-blog-toc { border: 1px solid var(--chk-border); border-radius: 14px; padding: 18px; }
.chk-blog-toc__label { font-size: 12px; font-weight: 800; color: #9096b8; letter-spacing: 0.3px; margin-bottom: 12px; }
.chk-blog-toc__list { display: flex; flex-direction: column; gap: 9px; font-size: 13px; color: var(--chk-gray-body); }
.chk-blog-toc__item { color: var(--chk-gray-body); }
.chk-blog-toc__item.is-active { color: var(--chk-ink); font-weight: 700; }
.chk-blog-toc-mobile-slot { display: none; }

/* Chia sẻ + Đánh giá */
.chk-blog-share-rating { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 32px 0 16px; flex-wrap: wrap; }
.chk-blog-share { display: flex; align-items: center; gap: 10px; }
.chk-blog-share__label { font-size: 13.5px; font-weight: 700; color: var(--chk-ink); }
.chk-blog-share__icon { width: 34px; height: 34px; border-radius: 9px; border: 1px solid #d7e0f5; display: flex; align-items: center; justify-content: center; }
.chk-blog-rating { display: flex; align-items: center; gap: 5px; }
.chk-blog-rating__star { color: #e3e5f0; }
.chk-blog-rating__star.is-filled { color: #f5b400; }
.chk-blog-rating__text { font-size: 12.5px; color: #9096b8; margin-left: 4px; }

/* Tác giả */
.chk-blog-author { border: 1.5px dashed #b9cdf0; background: #f7faff; border-radius: 14px; padding: 20px 22px; margin-bottom: 20px; display: flex; gap: 14px; }
.chk-blog-author__avatar { width: 54px; height: 54px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.chk-blog-author__avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chk-blog-author__eyebrow { font-size: 12.5px; color: #7a82ab; }
.chk-blog-author__name { font-size: 15px; font-weight: 800; color: #2554e8; }
.chk-blog-author__role { font-size: 12.5px; font-style: italic; color: var(--chk-gray-body); margin-bottom: 10px; }
.chk-blog-author__bio { font-size: 13.5px; color: #3a3f66; line-height: 1.6; margin: 0 0 10px; }
.chk-blog-author__editorial-link { font-size: 13px; font-weight: 600; color: #2554e8; text-decoration: underline; }

/* Tags */
.chk-blog-tags { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; color: var(--chk-gray-label); }
.chk-blog-tags__label { font-size: 13.5px; font-weight: 700; color: var(--chk-ink); }
.chk-blog-tags__pill { font-size: 12.5px; font-weight: 700; padding: 6px 14px; border-radius: 999px; }

/* Bài viết liên quan */
.chk-blog-related { border-top: 1px solid var(--chk-border); padding-top: 28px; margin-bottom: 40px; }
.chk-blog-related__title { font-size: 16px; font-weight: 800; color: var(--chk-ink); margin-bottom: 16px; }
.chk-blog-related__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chk-blog-related__item--mobile-only { display: none; }
.chk-blog-related__thumb { width: 100%; aspect-ratio: 16 / 10; border-radius: 10px; overflow: hidden; margin-bottom: 8px; background: var(--chk-fill-light); }
.chk-blog-related__thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.chk-blog-related__thumb-placeholder { display: block; width: 100%; height: 100%; background: var(--chk-fill-light-2); }
.chk-blog-related__item-title { font-size: 13.5px; font-weight: 700; color: var(--chk-ink); line-height: 1.4; }

/* Sidebar detail (desktop) + CTA card (dùng chung 2 vị trí) */
.chk-blog-sidebar-detail { position: sticky; top: 20px; display: flex; flex-direction: column; gap: 20px; padding-bottom: 48px; }
.chk-blog-cta { border-radius: 14px; padding: 18px; background: linear-gradient(135deg, #10122b, #1c2050); color: #fff; }
.chk-blog-cta__title { font-size: 14px; font-weight: 800; margin-bottom: 8px; }
.chk-blog-cta__desc { font-size: 12.5px; color: #aab1d6; margin: 0 0 14px; line-height: 1.5; }
.chk-blog-cta__btn { display: block; width: 100%; text-align: center; background: var(--chk-gold-btn-gradient); color: #fff; font-weight: 800; font-size: 13px; padding: 10px; border-radius: 8px; border: none; }
.chk-blog-cta-mobile-slot { display: none; }

/* ── Mobile ───────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .chk-blog-article__grid { grid-template-columns: 1fr; }
  .chk-blog-sidebar-detail { display: none; } /* desktop-only vị trí — mobile dùng slot inline riêng */
}
@media (max-width: 768px) {
  .chk-blog-article__head { padding-top: 14px; }
  .chk-blog-article__title { font-size: 22px; line-height: 1.35; }
  .chk-blog-article__overline { font-size: 11px; margin-top: 16px; }

  .chk-blog-byline { padding: 14px 0; margin-bottom: 20px; }
  .chk-blog-byline__avatar { width: 34px; height: 34px; }
  .chk-blog-byline__meta { font-size: 11px; }

  .chk-blog-article__hero-image { aspect-ratio: 16 / 10; border-radius: 12px; margin-bottom: 20px; }

  .chk-blog-toc-mobile-slot { display: block; margin-bottom: 22px; }
  .chk-blog-toc-mobile-slot .chk-blog-toc { padding: 14px 16px; }

  .chk-blog-article__body { font-size: 14.5px; gap: 14px; }
  .chk-blog-article__body h2 { font-size: 18px; margin: 6px 0 0; }

  .chk-blog-share-rating { margin: 28px 0 18px; }
  .chk-blog-share__icon { width: 32px; height: 32px; }
  .chk-blog-share__icon--desktop-only { display: none; } /* README: LinkedIn chỉ desktop */

  .chk-blog-author { padding: 18px; }
  .chk-blog-author__avatar { width: 48px; height: 48px; }
  .chk-blog-author__editorial-link { display: none; } /* README: bỏ trên mobile, tiết kiệm chỗ */

  .chk-blog-related__list { display: flex; flex-direction: column; gap: 14px; }
  .chk-blog-related__item { display: flex; gap: 12px; align-items: center; }
  .chk-blog-related__item--mobile-only { display: flex; } /* mobile hiện đủ 5, xem related-posts.php */
  .chk-blog-related__thumb { width: 88px; flex-shrink: 0; margin-bottom: 0; }
  .chk-blog-related__item-title { font-size: 13px; }

  .chk-blog-cta-mobile-slot { display: block; margin-bottom: 28px; }
}