/* End-of-article prev / next — RTL-first, SEO internal links */

.post-related-nav {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 2.5rem 0 0;
  padding: 1.75rem 0 0;
  border-top: 1px solid var(--border-soft, #1e2430);
}

.post-related-heading {
  grid-column: 1 / -1;
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted, #8b93a7);
}

@media (min-width: 720px) {
  .post-related-nav {
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
  }
}

/* Card */
.post-related-link {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0;
  align-items: stretch;
  min-height: 5.5rem;
  border-radius: 14px;
  border: 1px solid var(--border-soft, #1e2430);
  background: var(--surface, #12161f);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.post-related-link:hover {
  border-color: color-mix(in srgb, var(--accent, #e3b341) 45%, var(--border-soft, #1e2430));
  transform: translateY(-1px);
  box-shadow: 0 8px 24px color-mix(in srgb, #000 22%, transparent);
}

/* Next: body then arrow (arrow on the "forward" edge) */
.post-related-link.is-next {
  grid-template-columns: 1fr auto;
}

/* Arrow rail */
.post-related-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--surface-2, #171c27) 88%, var(--accent, #e3b341) 5%);
  color: var(--accent, #e3b341);
}

.post-related-link:hover .post-related-arrow {
  background: color-mix(in srgb, var(--accent, #e3b341) 14%, var(--surface-2, #171c27));
}

.post-related-chevron {
  display: block;
  opacity: 0.9;
}

/* Body */
.post-related-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  min-width: 0;
  justify-content: center;
}

.post-related-kicker {
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent, #e3b341);
}

.post-related-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  line-height: 1.4;
  color: var(--text, #e6e9f0);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-related-link:hover .post-related-title {
  color: var(--accent, #e3b341);
}

.post-related-summary {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--text-muted, #8b93a7);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-related-meta {
  margin: 0.1rem 0 0;
  font-size: 0.72rem;
  color: var(--text-faint, #5c6478);
  line-height: 1.4;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.35rem;
}

/* RTL: prev points → (start); next points ← (end). LTR flips. */
html[dir="ltr"] .post-related-link.is-prev .post-related-chevron,
html[dir="ltr"] .post-related-link.is-next .post-related-chevron {
  transform: scaleX(-1);
}

.post-related-nav.is-single {
  grid-template-columns: 1fr;
}

@media (max-width: 520px) {
  .post-related-arrow { width: 2.5rem; }
  .post-related-body { padding: 0.8rem 0.85rem; }
  .post-related-title { font-size: 0.9rem; }
}

html[data-theme="light"] .post-related-link {
  background: var(--surface, #fff);
  box-shadow: none;
}
html[data-theme="light"] .post-related-link:hover {
  box-shadow: 0 6px 18px color-mix(in srgb, #000 7%, transparent);
}
html[data-theme="light"] .post-related-arrow {
  background: color-mix(in srgb, var(--surface-2, #f3f4f7) 90%, var(--accent, #e3b341) 4%);
}

/* —— Breadcrumb (post header) —— */
.pd-breadcrumb { margin: 0 0 1.15rem; }
.pd-breadcrumb-list {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.15rem 0.2rem;
  list-style: none; margin: 0; padding: 0;
  font-size: 0.78rem; color: var(--text-muted, #8b93a7);
}
.pd-breadcrumb-list li { display: inline-flex; align-items: center; gap: 0.2rem; min-width: 0; }
.pd-breadcrumb-list a { color: var(--text-muted, #8b93a7); text-decoration: none; transition: color .15s; }
.pd-breadcrumb-list a:hover { color: var(--accent, #e3b341); }
.pd-breadcrumb-list [aria-current="page"] {
  color: var(--text, #e6e9f0); font-weight: 550;
  max-width: 18rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.pd-breadcrumb-sep { opacity: 0.4; margin-inline: 0.15rem; user-select: none; }