.emb-gallery {
  --emb-gallery-gap: var(--emb-pill-gap, 0.5rem);
  --emb-gallery-rim: var(--border-width, 0.5px);
  --emb-gallery-line: var(--border, var(--pico-muted-border-color, #d8d8d8));
  --emb-gallery-radius: var(--border-radius-lg, var(--emb-radius, 12px));
  --emb-gallery-mark: var(--section-accent, currentColor);
  --emb-gallery-quiet: var(--muted, var(--pico-muted-color, #6b6b6b));
  --emb-gallery-small: var(--emb-micro-large-size, 0.875rem);
  --emb-gallery-button: calc(var(--emb-gallery-gap) * 4);
  position: relative;
  margin-block: var(--emb-margin, 1.5rem);
  margin-inline: 0;
}

.emb-gallery-stage {
  position: relative;
  display: flex;
  contain: inline-size;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  border: var(--emb-gallery-rim) solid var(--emb-gallery-line);
  border-radius: var(--emb-gallery-radius);
}
.emb-gallery-stage::-webkit-scrollbar { display: none; }
.emb-gallery-stage:focus-visible {
  outline: var(--emb-gallery-rim) solid var(--emb-gallery-mark);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: no-preference) {
  .emb-gallery-stage { scroll-behavior: smooth; }
}

.emb-gallery-slide {
  flex: none;
  inline-size: 100%;
  margin: 0;
  scroll-snap-align: center;
  scroll-snap-stop: always;
}
.emb-gallery-slide img {
  display: block;
  inline-size: 100%;
  block-size: auto;
}
.emb-gallery-slide figcaption,
.emb-gallery > figcaption {
  padding-block: var(--emb-gallery-gap);
  color: var(--emb-gallery-quiet);
  font-size: var(--emb-gallery-small);
  text-align: center;
  text-wrap: balance;
}

.emb-gallery-slide figcaption {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--emb-gallery-gap);
  padding-inline: var(--emb-gallery-gap);
  text-align: start;
}
.emb-gallery-slide figcaption span { margin-inline-end: auto; }

.emb-gallery-thumbs {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  contain: inline-size;
  gap: var(--emb-gallery-gap);
  inline-size: auto;
  min-inline-size: 0;
  margin-block-start: var(--emb-gallery-gap);
}
.emb-gallery-thumbs a {
  display: block;
  border: var(--emb-gallery-rim) solid var(--emb-gallery-line);
  border-radius: calc(var(--emb-gallery-radius) / 2);
  overflow: hidden;
  opacity: calc(1 / var(--phi, 1.618));
}
.emb-gallery-thumbs a:is(:hover, :focus-visible, [aria-current]) { opacity: 1; }
.emb-gallery-thumbs a[aria-current] { border-color: var(--emb-gallery-mark); }
.emb-gallery-thumbs a:focus-visible {
  outline: var(--emb-gallery-rim) solid var(--emb-gallery-mark);
  outline-offset: 2px;
}
.emb-gallery-thumbs img {
  display: block;
  inline-size: 100%;
  block-size: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.emb-gallery:not([data-gallery-live]) .emb-gallery-thumbs a { opacity: 1; }

.emb-gallery-step {
  position: absolute;
  inset-block-start: calc(var(--emb-gallery-step-at, 50%) - var(--emb-gallery-button) / 2);
  inline-size: var(--emb-gallery-button);
  block-size: var(--emb-gallery-button);
  display: grid;
  place-items: center;
  padding: 0;
  border: var(--emb-gallery-rim) solid var(--emb-gallery-line);
  border-radius: 50%;
  background: var(--surface, var(--pico-card-background-color, #fcfcfc));
  color: var(--text, currentColor);
  cursor: pointer;
}
.emb-gallery-step::before {
  content: "";
  inline-size: calc(var(--emb-gallery-button) / 3);
  block-size: calc(var(--emb-gallery-button) / 3);
  border-block-start: 2px solid currentColor;
  border-inline-start: 2px solid currentColor;
}
.emb-gallery-step[data-step="-1"] { inset-inline-start: var(--emb-gallery-gap); }
.emb-gallery-step[data-step="1"] { inset-inline-end: var(--emb-gallery-gap); }
.emb-gallery-step[data-step="-1"]::before { transform: translateX(25%) rotate(-45deg); }
.emb-gallery-step[data-step="1"]::before { transform: translateX(-25%) rotate(135deg); }
.emb-gallery-step:disabled { visibility: hidden; }
.emb-gallery-step:focus-visible {
  outline: var(--emb-gallery-rim) solid var(--emb-gallery-mark);
  outline-offset: 2px;
}
@media (hover: none) {
  .emb-gallery-step { display: none; }
}

@media print {
  .emb-gallery-stage { display: block; overflow: visible; border: 0; }
  .emb-gallery-thumbs, .emb-gallery-step { display: none; }
}