/* Product-only adjustments: leave cart, checkout and shared styles unchanged. */
.product-page .product-step-nav button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.product-page .product-step-nav button > span {
  display: grid;
  place-items: center;
  flex: 0 0 25px;
  width: 25px;
  height: 25px;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  line-height: 1;
  text-align: center;
}
@media (max-width: 760px) {
  .product-page .product-step-nav button {
    flex-direction: column;
    gap: 5px;
  }
}