.product-gallery {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.product-gallery-container {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.product-gallery-swiper {
  flex: 1;
  width: calc(100% - 120px);
}

.product-gallery-thumbs {
  width: 100px;
  height: 400px;
  margin-left: 0;
}

.product-gallery-thumbs .swiper-slide {
  opacity: 0.6;
  cursor: pointer;
  max-height: 120px;
}

.product-gallery-thumbs .swiper-slide-thumb-active {
  opacity: 1;
}

.product-gallery-image {
  width: 100%;
  height: auto;
  display: block;
}

.product-gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Vertical navigation buttons */
.product-gallery-thumbs .swiper-button-next,
.product-gallery-thumbs .swiper-button-prev {
  left: 50%;
  transform: translateX(-50%);
}

.product-gallery-thumbs .swiper-button-prev {
  top: 0;
}

.product-gallery-thumbs .swiper-button-next {
  top: auto;
  bottom: 0;
}

/* Main gallery navigation */
.product-gallery-swiper .swiper-button-next,
.product-gallery-swiper .swiper-button-prev {
  color: #000;
}

.product-gallery-swiper span.onsale {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 2.5rem;
  border-width: 3px;
  z-index: 10;
  background: transparent;
  padding: 1rem 2rem;
}

@media (max-width: 768px) {
  .product-gallery-container {
    flex-direction: column;
  }

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

  .product-gallery-thumbs {
    width: 100%;
    height: 100px;
  }
}