/* Source-bound, static formula gallery. Keep the original pattern colors. */
#caption-reference { --reference-font: "SF Mono", "Menlo", monospace; }
#caption-reference h2 { text-wrap: balance; }
#caption-reference .reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2rem;
  margin-top: 2.5rem;
}
#caption-reference .reference-formula {
  min-width: 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--panel-border);
  scroll-margin-top: 10rem;
}
#caption-reference .reference-formula-heading { display: flex; align-items: baseline; gap: .75rem; }
#caption-reference .reference-number { color: var(--text-muted); font: 12px/1.5 var(--reference-font); }
#caption-reference h3 { margin: 0; font-size: 1rem; line-height: 1.5; font-weight: 400; }
#caption-reference .reference-equation,
#caption-reference .reference-sampling {
  overflow-x: auto;
  padding: 1rem .25rem;
  line-height: 2.8;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, .4) rgba(255, 255, 255, .07);
}
#caption-reference .reference-equation { margin-top: .75rem; font-size: 16px; }
#caption-reference .reference-sampling { padding-top: 0; color: var(--text-muted); font-size: 12px; }
#caption-reference .katex { white-space: normal; }
#caption-reference .reference-equation:focus-visible { outline: 1px solid #fff; outline-offset: 2px; }
#caption-reference .reference-patterns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; }
#caption-reference figure { min-width: 0; margin: 0; }
#caption-reference figure a { display: block; background: #fff; }
#caption-reference figure a:hover { outline: 1px solid #fff; outline-offset: 3px; }
#caption-reference img { width: 100%; height: auto; aspect-ratio: 1; }
#caption-reference figcaption {
  padding-top: .5rem;
  color: var(--text-muted);
  font: 12px/1.5 var(--reference-font);
  letter-spacing: 0;
  text-transform: none;
  overflow-wrap: anywhere;
}
#caption-reference .reference-view-letter { color: #fff; }
#caption-reference .reference-authority { margin: .75rem 0 0; color: var(--text-muted); font: 12px/1.5 var(--reference-font); }
#caption-reference .reference-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .75rem 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--panel-border);
}
#caption-reference .reference-footer p {
  max-width: 70ch;
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}
#caption-reference .reference-folder {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font: 12px/1.5 var(--reference-font);
  text-underline-offset: 4px;
}
@media (max-width: 1000px) {
  #caption-reference .reference-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
  #caption-reference .reference-patterns { gap: .5rem; }
  #caption-reference .reference-equation { font-size: 15px; }
}
@media (max-width: 360px) {
  #caption-reference .reference-equation { font-size: 14px; }
}