body { background: #fff; }
.product-card { min-height: 100%; }
.product-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #f3f3f3;
  border-radius: .5rem;
}

.thumb-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: .5rem;
  border: 1px solid #ddd;
  cursor: pointer;
}

.thumb-img.active {
  outline: 2px solid #0d6efd;
  border-color: transparent;
}

.price-line { display:flex; gap:.5rem; align-items:baseline; flex-wrap:wrap; }
.price-old { text-decoration: line-through; color: #888; font-size: .875rem; }