/* ═══════════════════════════════════════════════════════════
   BLOG — Archive & Single Post
   Màu: #003399 (navy) | #ffff00 (yellow)
═══════════════════════════════════════════════════════════ */

/* ── BASE ── */
.bl-wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.bl-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 8px;
  font-weight: 700; font-size: .88rem;
  text-decoration: none; cursor: pointer;
  border: 2px solid transparent;
  transition: all .3s ease; white-space: nowrap;
  font-family: inherit;
}
.bl-btn--primary { background: #003399; color: #ffff00; border-color: #003399; }
.bl-btn--primary:hover { background: #002277; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,51,153,.3); }
.bl-btn--yellow { background: #ffff00; color: #003399; border-color: #ffff00; font-weight: 800; }
.bl-btn--yellow:hover { background: #e6e600; transform: translateY(-2px); }

.bl-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .78rem; color: rgba(255,255,255,.65);
  margin-bottom: 20px; flex-wrap: wrap;
}
.bl-breadcrumb a { color: #ffff00; text-decoration: none; transition: opacity .2s; }
.bl-breadcrumb a:hover { opacity: .8; }
.bl-breadcrumb i { font-size: .6rem; opacity: .5; }

/* ══════════════════════════════════════
   ARCHIVE HERO
══════════════════════════════════════ */
.bl-hero {
  position: relative;
  background: linear-gradient(135deg, #001a66 0%, #003399 60%, #1a4db3 100%);
  padding: 110px 0 52px; overflow: hidden;
}
.bl-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.bl-hero__overlay { position: absolute; inset: 0; background: rgba(0,10,40,.2); }
.bl-hero .bl-wrap { position: relative; z-index: 1; }
.bl-hero__content { display: flex; align-items: center; gap: 20px; }
.bl-hero__icon {
  width: 64px; height: 64px; flex-shrink: 0;
  background: rgba(255,255,0,.15); border: 2px solid rgba(255,255,0,.3);
  border-radius: 16px; display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; color: #ffff00;
}
.bl-hero__content h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 900; color: #fff; margin: 0 0 6px;
}
.bl-hero__content p { color: rgba(255,255,255,.75); font-size: .95rem; margin: 0; }

/* ══════════════════════════════════════
   ARCHIVE MAIN LAYOUT
══════════════════════════════════════ */
.bl-archive-main { background: #f0f4ff; padding: 48px 0 80px; }
.bl-archive-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 36px; align-items: start;
}

/* ── FEATURED POST ── */
.bl-post-featured {
  display: grid; grid-template-columns: 1.2fr 1fr;
  background: #fff; border-radius: 20px; overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,51,153,.10);
  border: 1.5px solid #ccd6f6;
  margin-bottom: 32px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.bl-post-featured:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,51,153,.16); }
.bl-post-featured__img-wrap {
  display: block; position: relative;
  min-height: 320px; overflow: hidden; background: #e8eeff;
}
.bl-post-featured__img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease; display: block;
}
.bl-post-featured:hover .bl-post-featured__img-wrap img { transform: scale(1.05); }
.bl-post-featured__noimg {
  width: 100%; height: 100%; min-height: 320px;
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: #ccd6f6;
}
.bl-post-featured__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(0,20,80,.3), transparent);
}
.bl-post-featured__cat {
  position: absolute; top: 16px; left: 16px;
  background: #ffff00; color: #003399;
  font-size: .7rem; font-weight: 800;
  padding: 4px 12px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: .06em;
}
.bl-post-featured__body {
  padding: 32px 28px; display: flex; flex-direction: column; gap: 14px;
}
.bl-post-featured__meta {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-size: .75rem; color: #4a5a8e;
}
.bl-post-featured__meta span { display: flex; align-items: center; gap: 5px; }
.bl-post-featured__meta i { color: #003399; }
.bl-post-featured__body h2 {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 800; color: #001a66; line-height: 1.3; margin: 0;
}
.bl-post-featured__body h2 a { color: inherit; text-decoration: none; }
.bl-post-featured__body h2 a:hover { color: #003399; }
.bl-post-featured__body p { font-size: .9rem; color: #4a5a8e; line-height: 1.75; flex: 1; margin: 0; }

/* ── POSTS GRID ── */
.bl-posts-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.bl-post-card {
  background: #fff; border-radius: 16px; overflow: hidden;
  border: 1.5px solid #ccd6f6;
  box-shadow: 0 2px 12px rgba(0,51,153,.07);
  display: flex; flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.bl-post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 40px rgba(0,51,153,.15);
  border-color: #003399;
}
.bl-post-card__img-wrap {
  display: block; position: relative;
  height: 200px; overflow: hidden; background: #e8eeff;
}
.bl-post-card__img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease; display: block;
}
.bl-post-card:hover .bl-post-card__img-wrap img { transform: scale(1.07); }
.bl-post-card__noimg {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: #ccd6f6;
}
.bl-post-card__cat {
  position: absolute; top: 10px; left: 10px;
  background: #ffff00; color: #003399;
  font-size: .68rem; font-weight: 800;
  padding: 3px 10px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: .05em;
}
.bl-post-card__overlay {
  position: absolute; inset: 0;
  background: rgba(0,51,153,.55);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .3s ease;
}
.bl-post-card:hover .bl-post-card__overlay { opacity: 1; }
.bl-post-card__overlay span {
  color: #fff; font-size: .82rem; font-weight: 700;
  display: flex; align-items: center; gap: 7px;
  background: rgba(255,255,255,.15); padding: 7px 16px;
  border-radius: 24px; border: 1px solid rgba(255,255,255,.4);
}
.bl-post-card__body { padding: 18px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.bl-post-card__meta {
  display: flex; gap: 12px; font-size: .72rem; color: #4a5a8e;
}
.bl-post-card__meta span { display: flex; align-items: center; gap: 4px; }
.bl-post-card__meta i { color: #003399; font-size: .68rem; }
.bl-post-card__body h3 {
  font-size: .95rem; font-weight: 700; color: #001a66;
  line-height: 1.4; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.bl-post-card__body h3 a { color: inherit; text-decoration: none; }
.bl-post-card__body h3 a:hover { color: #003399; }
.bl-post-card__body p {
  font-size: .82rem; color: #4a5a8e; line-height: 1.65;
  flex: 1; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.bl-post-card__link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 700; color: #003399;
  text-decoration: none; margin-top: 4px;
  transition: gap .25s ease;
}
.bl-post-card:hover .bl-post-card__link { gap: 10px; }

/* ── PAGINATION ── */
.bl-pagination { margin-top: 40px; }
.bl-pagination .nav-links {
  display: flex; gap: 6px; flex-wrap: wrap; align-items: center;
}
.bl-pagination .page-numbers {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 8px;
  font-size: .88rem; font-weight: 700; text-decoration: none;
  border: 1.5px solid #ccd6f6; background: #fff; color: #003399;
  transition: all .25s ease;
}
.bl-pagination .page-numbers:hover { background: #003399; color: #ffff00; border-color: #003399; }
.bl-pagination .page-numbers.current { background: #003399; color: #ffff00; border-color: #003399; }
.bl-pagination .page-numbers.prev,
.bl-pagination .page-numbers.next { width: auto; padding: 0 14px; }
.bl-pagination .page-numbers.dots { border: none; background: transparent; cursor: default; }

/* ── EMPTY ── */
.bl-empty {
  text-align: center; padding: 80px 20px;
  background: #fff; border-radius: 20px; border: 1.5px solid #ccd6f6;
}
.bl-empty i { font-size: 3.5rem; color: #ccd6f6; display: block; margin-bottom: 20px; }
.bl-empty h3 { font-size: 1.3rem; font-weight: 800; color: #003399; margin-bottom: 10px; }
.bl-empty p { color: #4a5a8e; margin-bottom: 24px; }

/* ══════════════════════════════════════
   SIDEBAR
══════════════════════════════════════ */
.bl-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 90px; }

.bl-widget {
  background: #fff; border-radius: 16px; padding: 22px;
  border: 1.5px solid #ccd6f6;
  box-shadow: 0 2px 12px rgba(0,51,153,.06);
}
.bl-widget__title {
  font-size: .88rem; font-weight: 800; color: #003399;
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 2px solid #ffff00;
  display: flex; align-items: center; gap: 8px;
}
.bl-widget__title i { font-size: .85rem; }

/* Search */
.bl-search-form {
  display: flex; gap: 0; border: 1.5px solid #ccd6f6;
  border-radius: 8px; overflow: hidden;
}
.bl-search-form input {
  flex: 1; padding: 10px 14px; border: none; outline: none;
  font-size: .88rem; color: #001a66; background: #f0f4ff;
  font-family: inherit;
}
.bl-search-form button {
  padding: 10px 16px; background: #003399; color: #ffff00;
  border: none; cursor: pointer; font-size: .9rem;
  transition: background .2s;
}
.bl-search-form button:hover { background: #002277; }

/* Category list */
.bl-cat-list { list-style: none; display: flex; flex-direction: column; gap: 4px; }
.bl-cat-list li a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; border-radius: 8px;
  font-size: .85rem; font-weight: 600; color: #001a66;
  text-decoration: none; transition: all .2s ease;
  border: 1px solid transparent;
}
.bl-cat-list li a:hover,
.bl-cat-list li.active a {
  background: #e8eeff; border-color: #ccd6f6; color: #003399;
}
.bl-cat-list__count {
  background: #003399; color: #ffff00;
  font-size: .68rem; font-weight: 800;
  padding: 2px 8px; border-radius: 20px; min-width: 24px; text-align: center;
}

/* Recent posts */
.bl-recent-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.bl-recent-item {
  display: flex; gap: 12px; text-decoration: none;
  align-items: flex-start; transition: opacity .2s;
}
.bl-recent-item:hover { opacity: .8; }
.bl-recent-item__img {
  width: 64px; height: 64px; flex-shrink: 0;
  border-radius: 10px; overflow: hidden; background: #e8eeff;
}
.bl-recent-item__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bl-recent-item__noimg {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: #ccd6f6;
}
.bl-recent-item__info span { font-size: .7rem; color: #4a5a8e; display: block; margin-bottom: 3px; }
.bl-recent-item__info p { font-size: .82rem; font-weight: 600; color: #001a66; margin: 0; line-height: 1.4; }

/* Tag cloud */
.bl-tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.bl-tag {
  display: inline-block; padding: 5px 12px;
  background: #f0f4ff; border: 1.5px solid #ccd6f6;
  border-radius: 20px; font-size: .75rem; font-weight: 600;
  color: #003399; text-decoration: none;
  transition: all .2s ease;
}
.bl-tag:hover, .bl-tag.active {
  background: #003399; color: #ffff00; border-color: #003399;
}

/* CTA widget */
.bl-widget--cta {
  background: linear-gradient(135deg, #001a66, #003399) !important;
  border-color: transparent !important; text-align: center;
}
.bl-widget--cta > i { font-size: 2rem; color: #ffff00; display: block; margin-bottom: 12px; }
.bl-widget--cta h4 { font-size: 1rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.bl-widget--cta p { font-size: .82rem; color: rgba(255,255,255,.75); margin-bottom: 16px; line-height: 1.6; }
.bl-widget--cta .bl-btn--yellow { width: 100%; justify-content: center; }

/* ══════════════════════════════════════
   SINGLE HERO
══════════════════════════════════════ */
.bl-single-hero {
  position: relative;
  background: linear-gradient(135deg, #001a66 0%, #003399 100%);
  background-size: cover; background-position: center;
  padding: 120px 0 60px; overflow: hidden;
}
.bl-single-hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,10,50,.75) 0%, rgba(0,10,50,.88) 100%);
}
.bl-single-hero .bl-wrap { position: relative; z-index: 1; }
.bl-single-hero__cat {
  display: inline-block; background: #ffff00; color: #003399;
  font-size: .72rem; font-weight: 800; padding: 5px 14px;
  border-radius: 20px; text-transform: uppercase; letter-spacing: .06em;
  text-decoration: none; margin-bottom: 14px;
}
.bl-single-hero__content h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.6rem);
  font-weight: 900; color: #fff; line-height: 1.2; margin-bottom: 16px;
  max-width: 800px;
}
.bl-single-hero__meta {
  display: flex; gap: 20px; flex-wrap: wrap;
  font-size: .8rem; color: rgba(255,255,255,.7);
}
.bl-single-hero__meta span { display: flex; align-items: center; gap: 6px; }
.bl-single-hero__meta i { color: #ffff00; }

/* ══════════════════════════════════════
   SINGLE MAIN LAYOUT
══════════════════════════════════════ */
.bl-single-main { background: #f0f4ff; padding: 48px 0 80px; }
.bl-single-layout {
  display: grid; grid-template-columns: 1fr 320px;
  gap: 36px; align-items: start;
}

/* ── ARTICLE ── */
.bl-article {
  background: #fff; border-radius: 20px;
  border: 1.5px solid #ccd6f6;
  box-shadow: 0 4px 24px rgba(0,51,153,.08);
  overflow: hidden; position: relative;
}

/* Reading progress bar */
.bl-reading-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, #003399, #ffff00);
  z-index: 9999; width: 0%; transition: width .1s linear;
}

/* Article content */
.bl-article__content {
  padding: 40px 44px;
  font-size: .97rem; color: #2d3748; line-height: 1.85;
}
.bl-article__content h2 {
  font-size: 1.4rem; font-weight: 800; color: #003399;
  margin: 32px 0 14px; padding-bottom: 8px;
  border-bottom: 2px solid #ffff00;
}
.bl-article__content h3 {
  font-size: 1.15rem; font-weight: 700; color: #001a66;
  margin: 24px 0 10px;
}
.bl-article__content h4 { font-size: 1rem; font-weight: 700; color: #003399; margin: 20px 0 8px; }
.bl-article__content p { margin-bottom: 16px; }
.bl-article__content a { color: #003399; text-decoration: underline; }
.bl-article__content a:hover { color: #002277; }
.bl-article__content img {
  max-width: 100%; height: auto; border-radius: 12px;
  margin: 20px 0; display: block;
  box-shadow: 0 4px 20px rgba(0,51,153,.12);
}
.bl-article__content ul, .bl-article__content ol {
  padding-left: 24px; margin-bottom: 16px;
}
.bl-article__content li { margin-bottom: 6px; }
.bl-article__content blockquote {
  margin: 24px 0; padding: 18px 24px;
  background: #f0f4ff; border-left: 4px solid #ffff00;
  border-radius: 0 12px 12px 0;
  font-style: italic; color: #4a5a8e; font-size: 1rem;
}
.bl-article__content blockquote p { margin: 0; }
.bl-article__content pre, .bl-article__content code {
  background: #1a1a2e; color: #e8eeff;
  border-radius: 8px; font-size: .88rem;
}
.bl-article__content pre { padding: 20px; overflow-x: auto; margin-bottom: 16px; }
.bl-article__content code { padding: 2px 6px; }
.bl-article__content table {
  width: 100%; border-collapse: collapse; margin-bottom: 20px;
  border-radius: 8px; overflow: hidden;
}
.bl-article__content th {
  background: #003399; color: #ffff00;
  padding: 10px 14px; font-size: .85rem; text-align: left;
}
.bl-article__content td {
  padding: 10px 14px; border-bottom: 1px solid #ccd6f6;
  font-size: .88rem;
}
.bl-article__content tr:nth-child(even) td { background: #f0f4ff; }

/* Tags */
.bl-article__tags {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 20px 44px; border-top: 1px solid #ccd6f6;
  font-size: .82rem; color: #4a5a8e; font-weight: 600;
}
.bl-article__tags span { display: flex; align-items: center; gap: 6px; color: #003399; }

/* Share */
.bl-article__share {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 20px 44px; border-top: 1px solid #ccd6f6;
  font-size: .82rem; color: #4a5a8e; font-weight: 600;
}
.bl-article__share > span { display: flex; align-items: center; gap: 6px; color: #003399; }
.bl-share-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 8px;
  font-size: .78rem; font-weight: 700; text-decoration: none;
  cursor: pointer; border: none; font-family: inherit;
  transition: all .25s ease;
}
.bl-share-btn--fb   { background: #1877f2; color: #fff; }
.bl-share-btn--fb:hover { background: #1565c0; }
.bl-share-btn--tw   { background: #000; color: #fff; }
.bl-share-btn--tw:hover { background: #333; }
.bl-share-btn--zalo { background: #0068ff; color: #fff; }
.bl-share-btn--zalo:hover { background: #0052cc; }
.bl-share-btn--copy { background: #f0f4ff; color: #003399; border: 1.5px solid #ccd6f6; }
.bl-share-btn--copy:hover { background: #003399; color: #ffff00; border-color: #003399; }

/* Author box */
.bl-author-box {
  display: flex; gap: 20px; align-items: flex-start;
  padding: 28px 44px; border-top: 1px solid #ccd6f6;
  background: #f0f4ff;
}
.bl-author-box__avatar {
  width: 80px; height: 80px; flex-shrink: 0;
  border-radius: 50%; overflow: hidden;
  border: 3px solid #ffff00; box-shadow: 0 4px 16px rgba(0,51,153,.2);
}
.bl-author-box__avatar img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bl-author-box__label { font-size: .7rem; font-weight: 700; color: #003399; text-transform: uppercase; letter-spacing: .08em; display: block; margin-bottom: 4px; }
.bl-author-box__info h4 { font-size: 1rem; font-weight: 800; color: #001a66; margin-bottom: 6px; }
.bl-author-box__info p { font-size: .85rem; color: #4a5a8e; line-height: 1.65; margin: 0; }

/* Post navigation */
.bl-post-nav {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; padding: 24px 44px; border-top: 1px solid #ccd6f6;
}
.bl-post-nav__item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px; border-radius: 12px;
  background: #f0f4ff; border: 1.5px solid #ccd6f6;
  text-decoration: none; transition: all .25s ease;
}
.bl-post-nav__item:hover { border-color: #003399; background: #e8eeff; }
.bl-post-nav__item--next { text-align: right; }
.bl-post-nav__label {
  font-size: .72rem; font-weight: 700; color: #003399;
  text-transform: uppercase; letter-spacing: .06em;
  display: flex; align-items: center; gap: 6px;
}
.bl-post-nav__item--next .bl-post-nav__label { justify-content: flex-end; }
.bl-post-nav__title { font-size: .85rem; font-weight: 600; color: #001a66; line-height: 1.4; }

/* Comments */
.bl-comments { padding: 32px 44px; border-top: 1px solid #ccd6f6; }
.bl-comments .comments-title { font-size: 1.1rem; font-weight: 800; color: #003399; margin-bottom: 20px; }
.bl-comments .comment-list { list-style: none; padding: 0; }
.bl-comments .comment { padding: 16px 0; border-bottom: 1px solid #ccd6f6; }
.bl-comments .comment-author .fn { font-weight: 700; color: #001a66; }
.bl-comments .comment-metadata { font-size: .75rem; color: #4a5a8e; }
.bl-comments .comment-content p { font-size: .9rem; color: #2d3748; line-height: 1.7; margin: 8px 0 0; }
.bl-comments .comment-reply-link {
  font-size: .78rem; font-weight: 700; color: #003399;
  text-decoration: none; display: inline-flex; align-items: center; gap: 4px;
}
.bl-comments .comment-form-comment label,
.bl-comments .comment-form-author label,
.bl-comments .comment-form-email label {
  display: block; font-size: .8rem; font-weight: 700; color: #003399;
  text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px;
}
.bl-comments .comment-form-comment textarea,
.bl-comments .comment-form-author input,
.bl-comments .comment-form-email input,
.bl-comments .comment-form-url input {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid #ccd6f6; border-radius: 8px;
  font-size: .9rem; color: #001a66; background: #f0f4ff;
  outline: none; transition: border-color .2s; font-family: inherit;
}
.bl-comments .comment-form-comment textarea:focus,
.bl-comments .comment-form-author input:focus,
.bl-comments .comment-form-email input:focus {
  border-color: #003399; background: #fff;
}
.bl-comments .form-submit .submit {
  background: #003399; color: #ffff00; border: none;
  padding: 11px 24px; border-radius: 8px;
  font-size: .9rem; font-weight: 700; cursor: pointer;
  font-family: inherit; transition: background .25s;
}
.bl-comments .form-submit .submit:hover { background: #002277; }

/* TOC */
#bl-toc { display: flex; flex-direction: column; gap: 4px; }
#bl-toc a {
  font-size: .82rem; color: #4a5a8e; text-decoration: none;
  padding: 5px 10px; border-radius: 6px; border-left: 2px solid transparent;
  transition: all .2s ease; display: block;
}
#bl-toc a:hover, #bl-toc a.active {
  color: #003399; background: #e8eeff; border-left-color: #003399;
}
#bl-toc a.toc-h3 { padding-left: 20px; font-size: .78rem; }

/* ══════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════ */
@media (max-width: 1100px) {
  .bl-archive-layout,
  .bl-single-layout { grid-template-columns: 1fr; }
  .bl-sidebar { position: static; }
  .bl-posts-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .bl-hero { padding: 90px 0 40px; }
  .bl-hero__content { flex-direction: column; align-items: flex-start; gap: 12px; }
  .bl-post-featured { grid-template-columns: 1fr; }
  .bl-post-featured__img-wrap { min-height: 220px; }
  .bl-posts-grid { grid-template-columns: 1fr; }
  .bl-article__content { padding: 24px 20px; }
  .bl-article__tags,
  .bl-article__share,
  .bl-author-box,
  .bl-post-nav,
  .bl-comments { padding-left: 20px; padding-right: 20px; }
  .bl-author-box { flex-direction: column; }
  .bl-post-nav { grid-template-columns: 1fr; }
  .bl-single-hero { padding: 100px 0 40px; }
}
@media (max-width: 480px) {
  .bl-article__share { flex-direction: column; align-items: flex-start; }
}