.variation-thumbs {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.variation-thumbs img.thumb-item {
  width: 90px;
  height: 90px;
  object-fit: cover;           /* <-- evita estiramientos */
  object-position: center;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 4px;
  transition: border-color 0.2s ease;
  background: #fff;
}

.variation-thumbs img.thumb-item:hover {
  border-color: #666;
}

.woocommerce-product-gallery__wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

#main-variation-image {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  object-fit: contain;
}

.woocommerce-product-gallery__image {
  min-height: 500px; /* ajustá esto a tu diseño */
  display: flex;
  justify-content: center;
  align-items: center;
}