/* ===========================
   Image Gallery Component
   =========================== */

.rlb-image-gallery {
  max-width: 640px;
  margin: 0 auto;
}

/* --- Main image --- */
.rlb-image-gallery__main {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border-radius: var(--border-radius);
  background-color: var(--surface-muted);
  margin-bottom: 16px;
}

.rlb-image-gallery__main-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Controls row (prev + thumbnails + next) --- */
.rlb-image-gallery__controls {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

/* --- Navigation buttons --- */
.rlb-image-gallery__nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border: 2px solid var(--border-color-input);
  border-radius: 50%;
  background: var(--surface-color);
  color: var(--primary-color-hover);
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s;
}

.rlb-image-gallery__nav:hover {
  background-color: var(--gray-200);
  border-color: var(--primary-color-hover);
}

.rlb-image-gallery__nav:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

/* --- Thumbnail strip --- */
.rlb-image-gallery__thumbnails {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.rlb-image-gallery__thumb {
  display: block;
  width: 80px;
  height: 54px;
  padding: 0;
  border: 3px solid transparent;
  border-radius: var(--border-radius);
  background: none;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.rlb-image-gallery__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Selected thumbnail */
.rlb-image-gallery__thumb[aria-current="true"] {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px var(--primary-color);
}

/* Focus indicator for thumbnails (3:1+ contrast) */
.rlb-image-gallery__thumb:focus-visible {
  outline: 3px solid var(--focus-color);
  outline-offset: 2px;
}

/* Hover */
.rlb-image-gallery__thumb:hover {
  border-color: var(--border-color-input);
}

.rlb-image-gallery__thumb[aria-current="true"]:hover {
  border-color: var(--primary-color);
}

/* --- Image counter live region --- */
.rlb-image-gallery__counter {
  text-align: center;
  margin-top: 12px;
  font-size: 0.9rem;
  color: var(--text-color-muted);
}