/* Carousel component: image carousel + thumbnail gallery for detail pages. */

.product-detail-images {
  position: sticky;
  top: 100px;
}

.product-detail-images .carousel {
  border: 1px solid var(--bw-border, #e0e0e0);
  border-radius: 8px;
  overflow: hidden;
  background-color: var(--bw-image-bg, #f8f9fa);
}

.product-detail-images .carousel-item img {
  width: 100%;
  height: auto;
  display: block;
}

.product-detail-images .carousel-control-prev-icon,
.product-detail-images .carousel-control-next-icon {
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
  padding: 15px;
  width: 40px;
  height: 40px;
}

.product-detail-images .carousel-indicators {
  margin-bottom: 10px;
}

.product-detail-images .carousel-indicators button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
}

.product-detail-images .carousel-indicators button.active {
  background-color: rgba(255, 255, 255, 1);
}

.thumbnail-gallery {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.thumbnail-image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border: 2px solid var(--bw-border, #e0e0e0);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.thumbnail-image:hover {
  border-color: var(--bw-accent, #667eea);
  transform: scale(1.05);
}

/* --- Full-screen viewer (lightbox) --- */

/* Expand-to-fullscreen button, overlaid on the carousel image. */
.product-detail-images .carousel-expand-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 5;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: #fff;
  background-color: rgba(0, 0, 0, 0.45);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.product-detail-images .carousel-expand-btn:hover {
  background-color: rgba(0, 0, 0, 0.72);
  transform: scale(1.08);
}

/* Overlay */
body.lightbox-open {
  overflow: hidden;
}

.carousel-lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease;
}

.carousel-lightbox.open {
  opacity: 1;
  visibility: visible;
}

.carousel-lightbox .lb-figure {
  margin: 0;
  max-width: 92vw;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.carousel-lightbox .lb-figure img {
  max-width: 92vw;
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.carousel-lightbox .lb-count {
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  letter-spacing: 0.05em;
}

/* Overlay buttons */
.carousel-lightbox .lb-btn {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: #fff;
  background-color: rgba(255, 255, 255, 0.12);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.carousel-lightbox .lb-btn:hover {
  background-color: rgba(255, 255, 255, 0.26);
}

.carousel-lightbox .lb-close {
  top: 18px;
  right: 18px;
  width: 46px;
  height: 46px;
}

.carousel-lightbox .lb-prev,
.carousel-lightbox .lb-next {
  top: 50%;
  margin-top: -27px;
  width: 54px;
  height: 54px;
}

.carousel-lightbox .lb-prev { left: 18px; }
.carousel-lightbox .lb-next { right: 18px; }

.carousel-lightbox.single .lb-prev,
.carousel-lightbox.single .lb-next {
  display: none;
}

@media (max-width: 600px) {
  .carousel-lightbox .lb-prev { left: 6px; }
  .carousel-lightbox .lb-next { right: 6px; }
  .carousel-lightbox .lb-btn { width: 46px; height: 46px; }
  .carousel-lightbox .lb-figure img { max-height: 80vh; }
}