/* Marine-local collection: one ordered record set, two presentation modes. */
.media-collection {
  /* The explicit view-switch anchor owns the layout change, not browser anchoring. */
  overflow-anchor: none;
}

.media-collection-controls {
  position: sticky;
  /* Stay below the fixed navigation, using the record anchor's 5.5rem clearance. */
  top: calc(5.5rem + env(safe-area-inset-top));
  z-index: 3;
  display: flex;
  justify-content: flex-end;
  margin-block: var(--space-4) var(--space-5);
  /* Move into the page gutter, leaving room for focus outlines and safe areas. */
  margin-inline-end: calc(-1 * max(0px, calc(0.5rem - env(safe-area-inset-right))));
  pointer-events: none;
}

@media (min-width: 48rem) {
  .media-collection-controls {
    margin-inline-end: calc(-1 * max(0px, calc(1rem - env(safe-area-inset-right))));
  }
}

.media-collection-controls[hidden] {
  display: none;
}

.media-collection-switch { pointer-events: auto; }

.media-collection-switch-track {
  position: relative;
  display: block;
  width: 3.25rem;
  height: 2rem;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.media-collection-switch-thumb {
  position: absolute;
  top: calc(0.25rem - 1px);
  left: calc(0.25rem - 1px);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 220ms cubic-bezier(0.2, 0, 0, 1), background-color 180ms ease;
}

.media-collection-switch[aria-checked="true"] .media-collection-switch-track {
  background: var(--sea);
  border-color: var(--sea);
}

.media-collection-switch[aria-checked="true"] .media-collection-switch-thumb {
  transform: translateX(1.25rem);
  background: var(--abyss);
}

.media-collection-switch[aria-checked="false"] [data-view-label="list"],
.media-collection-switch[aria-checked="true"] [data-view-label="gallery"] {
  color: var(--text);
}

.media-collection :is(a, button):focus-visible {
  outline: 3px solid var(--sea);
  outline-offset: 4px;
}

.media-collection-group + .media-collection-group {
  margin-top: var(--space-7);
}

.media-collection-group > h2 {
  max-width: var(--reading);
  margin: 0 0 var(--space-4);
  font-family: var(--font-editorial);
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  line-height: 1.25;
  font-weight: 400;
  text-wrap: balance;
}

.media-collection-items {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  padding: 0;
  margin: 0;
  list-style: none;
}

.media-collection-item {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  overflow-wrap: anywhere;
  background: var(--glass-background);
  box-shadow: var(--glass-shadow);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-margin-top: 5.5rem;
}

.media-collection-media {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--surface);
  border-radius: var(--radius) var(--radius) 0 0;
  color: var(--muted);
  text-align: center;
  text-decoration: none;
}

.media-collection-media img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  /* Previews fill the panel; the shared viewer retains the uncropped source. */
  object-fit: cover;
  border-radius: 0;
}

.media-collection-media img[hidden] {
  display: none;
}

/* Let the native image link cover its selectable record, including caption.
   The record is the containing block; the preview still keeps its own ratio. */
.media-collection-media.card-link { position: static; }
.media-collection-media.card-link img {
  position: static;
  height: auto;
  aspect-ratio: 4 / 3;
}

.media-collection-placeholder,
.media-collection-media.is-unavailable {
  padding: var(--space-4);
  font-size: 0.9rem;
  line-height: 1.5;
}

.media-collection-copy {
  min-width: 0;
  padding: var(--space-4);
}

.media-collection-copy h3 {
  margin: 0 0 var(--space-3);
  font-size: 1.18rem;
  line-height: 1.4;
  font-weight: 500;
}

.media-collection-copy dl {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.55;
}

.media-collection-copy dt {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.045em;
}

.media-collection-copy dd {
  margin: 0.1rem 0 0;
}

/* The list follows the original archive's open rows and fine separators. */
.media-collection[data-view="list"] .media-collection-items {
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.media-collection[data-view="list"] .media-collection-item {
  --card-lift: 0px;
  grid-template-columns: 4.5rem minmax(0, 1fr);
  grid-template-rows: auto;
  align-items: start;
  gap: var(--space-4);
  padding: 0.9rem 0;
  background: transparent;
  box-shadow: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.media-collection[data-view="list"] .media-collection-media {
  border-radius: 0.25rem;
}

.media-collection[data-view="list"] :is(.media-collection-placeholder, .media-collection-media.is-unavailable) {
  min-height: 3.375rem;
  aspect-ratio: auto;
  padding: 0.3rem;
  font-size: 0.65rem;
  line-height: 1.35;
}

.media-collection[data-view="list"] .media-collection-copy {
  padding: 0;
}

.media-collection[data-view="list"] .media-collection-copy h3 {
  margin: 0 0 var(--space-2);
  font-size: 1rem;
}

.media-collection[data-view="list"] .media-collection-copy dl {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: var(--space-2) var(--space-4);
}

@media (min-width: 58rem) {
  .media-collection[data-view="list"] .media-collection-copy {
    display: grid;
    grid-template-columns: minmax(11rem, 0.9fr) minmax(0, 2fr);
    gap: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .media-collection-switch-track,
  .media-collection-switch-thumb {
    transition: none;
  }
}

@media (forced-colors: active) {
  .media-collection-switch-track,
  .media-collection-switch[aria-checked="true"] .media-collection-switch-track {
    forced-color-adjust: none;
    border-color: ButtonText;
    background: Canvas;
  }

  .media-collection-switch-thumb,
  .media-collection-switch[aria-checked="true"] .media-collection-switch-thumb {
    forced-color-adjust: none;
    background: ButtonText;
  }
}

.species-index-header {
  max-width: var(--reading);
  margin-bottom: var(--space-5);
}

.species-index-header h1 {
  margin: 0;
  font-family: var(--font-editorial);
  font-size: var(--type-display);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.species-index-header .text-link {
  margin-top: var(--space-4);
}

.species-index-page [data-gallery-caption] {
  font-family: var(--font-editorial);
  font-style: italic;
}

@media (max-width: 43.999rem) {
  .media-collection[data-view="gallery"] .media-collection-items {
    gap: var(--space-2);
  }

  .media-collection[data-view="gallery"] .media-collection-copy {
    padding: var(--space-3);
  }
}

@media (min-width: 44rem) {
  .media-collection-items {
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  }
}

@media (max-width: 27rem) {
  .media-collection[data-view="list"] .media-collection-item {
    grid-template-columns: 3.5rem minmax(0, 1fr);
    gap: var(--space-3);
  }
  .media-collection[data-view="list"] .media-collection-copy dl {
    grid-template-columns: minmax(0, 1fr);
  }
}