.content-single > * + * { margin-top: var(--space-lg); }
.entry-header { min-height: clamp(7rem, 14vw, 10rem); }
.entry-hero { margin: var(--space-md) 0 0; }
.entry-hero {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #eef4f1;
}
.toc {
  margin-top: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #f5faf7;
  padding: 0;
}
.toc-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 0.9rem 1rem;
  min-height: 3.5rem;
  font-weight: 700;
}
.toc-summary::-webkit-details-marker { display: none; }
.toc-summary::after {
  content: "+";
  font-size: 1.15rem;
  line-height: 1;
}
.toc[open] .toc-summary::after {
  content: "-";
}
.toc-list {
  margin: 0;
  padding: 0 1rem 1rem 2.25rem;
}
.toc li.toc-level-3 { margin-left: 0.75rem; }
.share-buttons { display: flex; gap: var(--space-sm); align-items: center; flex-wrap: wrap; }
.share-buttons a { min-height: 48px; display: inline-flex; align-items: center; }
.author-box p { margin: 0.25rem 0; }
.entry-hero img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}