/**
 * Blog Styles — SourceLab AI Studios
 * Covers: home.php, single.php, category.php, post-card, author-bio
 *
 * @package SourceLabs
 */

/* ============ BLOG HERO ============ */
.blog-hero {
  background: var(--near-black);
  color: var(--white);
  padding: 8rem 0 3rem;
  text-align: center;
}

.blog-hero .section-label {
  color: var(--orange);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.blog-hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1rem;
  color: var(--white);
}

.blog-hero-subtitle {
  font-size: 1.15rem;
  color: var(--light-gray);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ============ CATEGORY FILTER BAR ============ */
.blog-filter {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 90;
}

.blog-filter-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.blog-filter-bar::-webkit-scrollbar {
  display: none;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 100px;
  border: 1px solid var(--border);
  color: var(--mid-gray);
  background: var(--white);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.filter-pill:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.filter-pill.active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

/* ============ POST GRID ============ */
.blog-grid-section {
  padding: 3rem 0 4rem;
  background: var(--white);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.blog-empty {
  text-align: center;
  padding: 4rem 0;
  color: var(--mid-gray);
  font-size: 1.05rem;
}

/* ============ POST CARD ============ */
.post-card {
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.post-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

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

.post-card-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--near-black);
}

.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.post-card-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--near-black);
}

.post-card-placeholder-mark {
  width: 48px;
  height: 48px;
  opacity: 0.15;
}

.category-pill {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  background: var(--orange);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.6rem;
  border-radius: 100px;
  line-height: 1.3;
}

.post-card-body {
  padding: 1.5rem;
}

.post-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.5rem;
}

.post-card-body h3 a {
  color: var(--dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

.post-card-body h3 a:hover {
  color: var(--orange);
}

.post-card-excerpt {
  font-size: 0.9rem;
  color: var(--mid-gray);
  line-height: 1.55;
  margin: 0 0 1rem;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--light-gray);
  flex-wrap: wrap;
}

.post-card-sep {
  color: var(--border);
}

/* ============ SINGLE POST HERO ============ */
.post-hero {
  background: var(--near-black);
  color: var(--white);
  padding: 8rem 0 3rem;
}

.post-meta-top {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.post-category-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 100px;
  background: var(--orange);
  color: var(--white);
  text-decoration: none;
  transition: background 0.2s ease;
}

.post-category-pill:hover {
  background: var(--orange-hover);
}

.post-reading-time {
  font-size: 0.85rem;
  color: var(--light-gray);
}

.post-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1.5rem;
  max-width: 800px;
  color: var(--white);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--light-gray);
  font-size: 0.9rem;
}

.post-meta .post-author-avatar,
.post-meta img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.post-author-name {
  font-weight: 500;
  color: var(--white);
}

.post-meta-sep {
  color: var(--light-gray);
  opacity: 0.5;
}

/* ============ FEATURED IMAGE ============ */
.post-featured-image {
  padding: 2.5rem 0 0;
}

.post-featured-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  display: block;
}

/* ============ POST CONTENT ============ */
.post-content {
  padding: 3rem 0 2rem;
}

.post-content .entry-content {
  max-width: 720px;
  margin: 0 auto;
}

.post-content .entry-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
  line-height: 1.25;
  color: var(--dark);
}

.post-content .entry-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  line-height: 1.3;
  color: var(--dark);
}

.post-content .entry-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
  color: var(--dark);
}

.post-content .entry-content p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0 0 1.5rem;
  color: var(--dark);
}

.post-content .entry-content a {
  color: var(--orange);
  text-decoration: none;
  transition: text-decoration 0.2s ease;
}

.post-content .entry-content a:hover {
  text-decoration: underline;
}

.post-content .entry-content blockquote {
  border-left: 3px solid var(--orange);
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  background: var(--orange-light);
  border-radius: 0 8px 8px 0;
  font-style: italic;
}

.post-content .entry-content blockquote p {
  margin: 0;
  color: var(--dark);
}

.post-content .entry-content code {
  background: var(--card-bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.9em;
}

.post-content .entry-content pre {
  background: var(--near-black);
  color: var(--light);
  padding: 1.5rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 2rem 0;
  font-size: 0.88rem;
  line-height: 1.6;
}

.post-content .entry-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: inherit;
  font-size: inherit;
}

.post-content .entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 2rem 0;
  display: block;
}

.post-content .entry-content ul,
.post-content .entry-content ol {
  margin: 0 0 1.5rem 1.5rem;
  padding: 0;
}

.post-content .entry-content li {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
  color: var(--dark);
}

.post-content .entry-content ul li {
  list-style: disc;
}

.post-content .entry-content ol li {
  list-style: decimal;
}

.post-content .entry-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}

.post-content .entry-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.post-content .entry-content th,
.post-content .entry-content td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  text-align: left;
}

.post-content .entry-content th {
  background: var(--card-bg);
  font-weight: 600;
}

/* ============ AUTHOR BIO ============ */
.post-author-section {
  padding: 0 0 3rem;
}

.author-bio {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem 0 0;
  border-top: 1px solid var(--border);
  max-width: 720px;
  margin: 0 auto;
}

.author-bio-avatar img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
}

.author-bio-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
  color: var(--dark);
}

.author-bio-info p {
  font-size: 0.9rem;
  color: var(--mid-gray);
  line-height: 1.55;
  margin: 0;
}

/* ============ RELATED POSTS ============ */
.related-posts {
  background: var(--section-alt);
  padding: 4rem 0;
}

.related-posts .section-label {
  color: var(--orange);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.related-posts .section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 2rem;
  color: var(--dark);
}

.related-posts .blog-grid {
  grid-template-columns: repeat(3, 1fr);
}

/* ============ PAGINATION ============ */
.navigation.pagination {
  margin-top: 3rem;
}

.navigation.pagination .nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.navigation.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--dark);
  text-decoration: none;
  transition: all 0.2s ease;
}

.navigation.pagination .page-numbers:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.navigation.pagination .page-numbers.current {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

.navigation.pagination .page-numbers.dots {
  border: none;
  pointer-events: none;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .related-posts .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .blog-hero {
    padding: 6.5rem 0 2.5rem;
  }

  .blog-hero-title {
    font-size: 2rem;
  }

  .blog-hero-subtitle {
    font-size: 1rem;
  }

  .blog-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .post-hero {
    padding: 6.5rem 0 2.5rem;
  }

  .post-title {
    font-size: 2rem;
  }

  .post-meta {
    flex-wrap: wrap;
  }

  .post-content .entry-content {
    max-width: 100%;
  }

  .author-bio {
    max-width: 100%;
  }

  .blog-filter-bar {
    padding-right: 1rem;
  }
}

@media (max-width: 480px) {
  .blog-hero-title {
    font-size: 1.6rem;
  }

  .post-title {
    font-size: 1.6rem;
  }

  .post-card-body {
    padding: 1.25rem;
  }

  .post-card-body h3 {
    font-size: 1.05rem;
  }

  .post-content .entry-content h2 {
    font-size: 1.4rem;
  }

  .post-content .entry-content h3 {
    font-size: 1.15rem;
  }

  .post-content .entry-content p,
  .post-content .entry-content li {
    font-size: 1rem;
  }

  .related-posts {
    padding: 3rem 0;
  }
}