/* ===== ARTICLE PAGE CSS ===== */

/* Article Layout */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding: 40px 0 60px;
  align-items: start;
}

.article-main {
  min-width: 0; /* Prevent overflow */
}

/* Article Header */
.article-head {
  margin-bottom: 28px;
}

.article-standfirst {
  font-size: 19px;
  font-weight: 400;
  color: var(--clr-text-2);
  line-height: 1.6;
  margin: 16px 0 20px;
  font-style: italic;
}

/* Tags */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 32px 0;
  padding: 20px 0;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}

.tags-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--clr-text-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Related Posts */
.related-posts {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 2px solid var(--clr-border);
}

.related-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.related-card {
  cursor: pointer;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition);
  background: var(--clr-surface);
}

.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.related-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.related-card-body {
  padding: 14px;
}

.related-card-cat {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.related-card-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--clr-text);
}

.related-card:hover .related-card-title {
  color: var(--clr-accent);
}

/* Article Sidebar */
.article-sidebar {
  position: sticky;
  top: calc(var(--header-h) + var(--header-top-h) + 20px);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Table of Contents */
.widget-toc {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 20px;
}

#tableOfContents {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toc-link {
  font-size: 13px;
  color: var(--clr-text-2);
  line-height: 1.4;
  padding: 4px 0 4px 12px;
  border-left: 2px solid var(--clr-border);
  transition: all var(--transition);
  display: block;
}

.toc-link:hover,
.toc-link.active {
  color: var(--clr-accent);
  border-left-color: var(--clr-accent);
  padding-left: 16px;
}

.toc-link.toc-h3 {
  padding-left: 22px;
  font-size: 12px;
}

.toc-link.toc-h3:hover,
.toc-link.toc-h3.active {
  padding-left: 26px;
}

/* Mobile article */
@media (max-width: 768px) {
  .article-layout {
    grid-template-columns: 1fr;
    padding: 20px 0 40px;
    gap: 0;
  }

  .article-sidebar {
    position: static;
    margin-top: 32px;
  }

  .widget-toc { display: none; } /* Use floating TOC on mobile instead */

  .related-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .related-card {
    display: flex;
    flex-direction: row;
    height: 90px;
  }

  .related-card img {
    width: 90px;
    height: 90px;
    aspect-ratio: unset;
    flex-shrink: 0;
  }

  .related-card-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .article-standfirst { font-size: 17px; }

  .article-body h2 { font-size: 22px; }
  .article-body h3 { font-size: 18px; }
}