/* AutoTOC thumbnails (L24)
   - Thumb stays visible whether a section is open or closed.
   - Size scales with the heading font size: ~15% taller than 1em, but never below 24px.
*/

details.l24-acc > summary{
  display:flex;
  align-items:center;
  gap:8px;
}

.autotoc-thumb{
  /* Scale with heading size (em), but clamp so it never drops below 24px */
  width: clamp(24px, 1.15em, 48px);
  height: clamp(24px, 1.15em, 48px);

  /* Safety hard limits */
  max-width: 48px;
  max-height: 48px;

  object-fit: cover;
  border-radius: 4px;
  flex: 0 0 auto;
}