.single-product form.cart {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.single-product form.cart .rk-mrd-frontend-field {
  flex: 0 0 100%;
  width: 100%;
  max-width: 100%;
  margin-bottom: 8px;
  order: -10;
}

.single-product form.cart .rk-mrd-frontend-field label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.single-product form.cart .rk-mrd-select-row {
  display: flex;
  align-items: stretch;
  gap: 12px;
  width: 100%;
}

.single-product form.cart .rk-mrd-select-row select {
  flex: 1 1 auto;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.single-product form.cart .rk-mrd-reset-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.single-product form.cart .quantity,
.single-product form.cart .single_add_to_cart_button,
.single-product form.cart .button-buy-now {
  order: 1;
}

@media (max-width: 767px) {
  .single-product form.cart .rk-mrd-select-row {
    flex-wrap: wrap;
  }

  .single-product form.cart .rk-mrd-reset-btn {
    width: 100%;
  }
}