.tk-product-gallery {
  width: 100%;
}

.tk-product-gallery__viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  min-height: clamp(260px, 74vw, 340px);
  max-height: min(58vh, 460px);
  padding: 0;
  overflow: hidden;
  background: #0f172a;
  border-radius: 0.85rem;
  border: 1px solid #e2e8f0;
  box-sizing: border-box;
  isolation: isolate;
}

.tk-product-gallery__slides {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.tk-product-gallery__slide {
  display: none;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  line-height: 0;
}

.tk-product-gallery__slide.is-active {
  display: block;
}

.tk-product-gallery__slide img,
.tk-product-gallery__slide video,
.tk-product-gallery__video {
  width: 100%;
  height: 100%;
  max-width: none;
  max-height: none;
  object-fit: cover;
  object-position: center;
  display: block;
  border: none;
  border-radius: 0;
  background: #0f172a;
}

.tk-product-gallery__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(15, 23, 42, 0.42);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
}

.tk-product-gallery__nav--prev { left: 0.65rem; }
.tk-product-gallery__nav--next { right: 0.65rem; }

.tk-product-gallery__nav:hover {
  background: rgba(15, 23, 42, 0.62);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.tk-product-gallery__nav:active {
  transform: translateY(-50%) scale(0.96);
}

.tk-product-gallery__thumbs {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.tk-product-gallery__thumb {
  width: 3.75rem;
  height: 3.75rem;
  border-radius: 0.5rem;
  border: 2px solid transparent;
  overflow: hidden;
  padding: 0;
  background: #f8fafc;
  cursor: pointer;
}

.tk-product-gallery__thumb.is-active {
  border-color: #7c3aed;
}

.tk-product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: none;
  border-radius: 0;
  max-height: none;
}

.tk-product-gallery__thumb-video {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #64748b;
  font-size: 0.9rem;
}

.tk-product-gallery--empty .tk-shop-product-detail__placeholder {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  min-height: clamp(260px, 74vw, 340px);
  max-height: min(58vh, 460px);
  padding: 1.25rem;
  border-radius: 0.85rem;
  border: 1px solid #e2e8f0;
  background: #f8fafc;
  box-sizing: border-box;
}

@media (min-width: 768px) {
  .tk-product-gallery__viewport {
    min-height: clamp(280px, 36vw, 400px);
    max-height: min(62vh, 480px);
  }

  .tk-product-gallery__nav {
    width: 2.75rem;
    height: 2.75rem;
  }

  .tk-product-gallery__nav--prev { left: 0.85rem; }
  .tk-product-gallery__nav--next { right: 0.85rem; }

  .tk-product-gallery--empty .tk-shop-product-detail__placeholder {
    min-height: clamp(280px, 36vw, 400px);
    max-height: min(62vh, 480px);
  }
}