figure figcaption p {
  font-style: italic;
  color: var(--color-foreground-secondary, #666);
  text-align: center;
}

/* ``.. citation::`` blocks -- see docs/source/_ext/citation.py.
   Every paper zea builds on is attributed in this one block style, so a
   reference looks the same whether it sits in an operation's docstring, a
   model page or a dataset converter. Colours come from furo's admonition
   variables so light and dark themes both stay consistent. */
.admonition.citation-admonition {
  --color-admonition-title: #4c6ef5;
  --color-admonition-title--background: rgba(76, 110, 245, 0.1);
  --icon: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 2h9l5 5v15H6a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2zm8 1.5V8h4.5L14 3.5zM8 12h8v1.5H8V12zm0 3.5h8V17H8v-1.5zm0-7h4V10H8V8.5z'/%3E%3C/svg%3E");
}

body[data-theme="dark"] .admonition.citation-admonition {
  --color-admonition-title: #91a7ff;
  --color-admonition-title--background: rgba(145, 167, 255, 0.15);
}

@media (prefers-color-scheme: dark) {
  body:not([data-theme="light"]) .admonition.citation-admonition {
    --color-admonition-title: #91a7ff;
    --color-admonition-title--background: rgba(145, 167, 255, 0.15);
  }
}

/* Hanging indent, so a block listing several papers reads as a bibliography
   rather than as a wall of wrapped lines. */
.admonition.citation-admonition p.citation-entry {
  padding-left: 1.5rem;
  text-indent: -1.5rem;
  margin-bottom: 0.5rem;
}

.admonition.citation-admonition p.citation-entry:last-child {
  margin-bottom: 0;
}

/* examples.rst -- thumbnail cards and tag filter, see
   docs/source/_ext/example_gallery.py and docs/_static/example-gallery.js.
   Rectangular thumbnails are 4:3 and fill the card; scan-cone thumbnails have
   a transparent background, so they sit directly on the page in both themes.
   Everything else uses furo's colours. */
.example-filter {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin: 1.25rem 0 0.5rem;
}

.example-filter-row {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
}

.example-filter-options {
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.9rem;
  row-gap: 0.15rem;
}

.example-filter-label {
  flex: none;
  width: 3.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-foreground-muted);
}

.example-filter button {
  font: inherit;
  font-size: 0.85rem;
  padding: 0.1rem 0;
  border: none;
  background: none;
  color: var(--color-foreground-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.example-filter button:hover {
  color: var(--color-foreground-primary);
}

.example-filter button[aria-pressed="true"] {
  color: var(--color-foreground-primary);
  border-bottom-color: var(--color-brand-primary);
}

.example-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr));
  gap: 1.25rem 1rem;
  margin: 1rem 0 2rem;
}

.example-card,
.example-card:visited {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  color: var(--color-foreground-primary);
  text-decoration: none;
}

.example-card[hidden] {
  display: none;
}

.example-card-thumb {
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: 0.375rem;
  overflow: hidden;
}

.example-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.example-card:hover .example-card-thumb img {
  transform: scale(1.04);
}

.example-card-title {
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.35;
}

.example-card:hover .example-card-title {
  color: var(--color-brand-content);
}

.example-card-source {
  font-size: 0.75rem;
  color: var(--color-foreground-secondary);
}

.example-card-meta {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.72rem;
  color: var(--color-foreground-muted);
}

.example-card-level {
  color: var(--color-foreground-secondary);
}

/* Level as stars, on the cards and on the level buttons. */
.example-card-level::before,
.example-filter button[data-level]::before {
  letter-spacing: 0.05em;
  margin-right: 0.3em;
}

.example-card-level[data-level="beginner"]::before,
.example-filter button[data-level="beginner"]::before {
  content: "★☆☆";
}

.example-card-level[data-level="intermediate"]::before,
.example-filter button[data-level="intermediate"]::before {
  content: "★★☆";
}

.example-card-level[data-level="advanced"]::before,
.example-filter button[data-level="advanced"]::before {
  content: "★★★";
}

.example-card-tags span + span::before {
  content: " · ";
}