.product-detail__variant-picker {
  --border-thickness: var(--variant-selector-border-thickness);
  --border-color: rgba(
    var(--color-text),
    var(--variant-selector-border-opacity)
  );

  display: flex;
  flex-direction: column;
  gap: var(--info-row-gap);
  --button-padding-block: 8px;
}

.product-detail__variant-picker[data-size="0"] {
  display: none;
}

.product-detail__variant-picker .variant-picker__group {
  padding: 0;
  margin: 0;
  border: none;
}

.product-detail__variant-picker .variant-picker__group-label {
  padding: 0;
}

.product-detail__variant-picker .variant-picker__options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-detail__variant-picker .variant-picker__button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--button-padding-block) 20px;
  cursor: pointer;
}

.product-detail__variant-picker .variant-picker__button--image {
  width: 64px;
  height: 64px;
  padding: 2px;
}

.product-detail__variant-picker .variant-picker__button::before,
.product-detail__variant-picker .variant-picker__button::after {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  display: block;
  width: 100%;
  height: 100%;
  content: "";
  border-radius: var(--variant-selector-border-radius);
}

.product-detail__variant-picker .variant-picker__button::before {
  box-shadow: var(--variant-selector-shadow-offset-x)
    var(--variant-selector-shadow-offset-y) var(--variant-selector-shadow-blur)
    rgba(var(--color-text), var(--variant-selector-shadow-opacity));
}

.product-detail__variant-picker .variant-picker__button::after {
  box-shadow: 0 0 0 var(--border-thickness) var(--border-color);
  transition: box-shadow 0.2s;
}

.product-detail__variant-picker .variant-picker__button:hover {
  --border-thickness: calc(var(--variant-selector-border-thickness, 0px) + 1px);
}

.product-detail__variant-picker .variant-picker__option {
  position: relative;
}

.product-detail__variant-picker .variant-picker__option input[type="radio"] {
  position: absolute;
  z-index: -1;
  width: 0;
  height: 0;
  overflow: hidden;
  opacity: 0;
}

.product-detail__variant-picker
  .variant-picker__option
  input[type="radio"]:checked
  + * {
  --border-thickness: calc(var(--variant-selector-border-thickness, 0px) + 1px);
  --border-color: rgb(var(--color-text));
}

.product-detail__variant-picker .variant-picker__image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--variant-selector-border-radius);
}

.product-detail__variant-picker .variant-picker__select-option {
  display: flex;
  gap: 8px;
  align-items: center;
}

.product-detail__variant-picker
  .variant-picker__select-option
  .variant-picker__image {
  width: 30px;
  height: 30px;
}

.product-detail__variant-picker .variant-picker__option.disabled::after {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  width: calc(
    var(--sort-body-line-height) * 1em + var(--button-padding-block) * 2
  );
  height: 1px;
  content: "";
  background-color: rgba(var(--color-text), 0.2);
  transform: translate(-50%, -50%) rotate(-45deg);
}

.product-detail__variant-picker
  .variant-picker__option.disabled
  .variant-picker__button {
  color: rgba(var(--color-text), 0.2);
}

.product-detail__variant-picker
  .variant-picker__option.disabled
  .variant-picker__image,
.product-detail__variant-picker
  .variant-picker__option.disabled
  .variant-picker__swatch-inner {
  opacity: 0.4;
}

/* M 端放大查看：放大镜按钮 + 底部 sheet 弹窗 */

/* 在 M 端禁用 popover 的 hover 行为，避免 touch 误触发 */
@media (max-width: 959px) {
  .product-detail__variant-picker .variant-picker__popover {
    pointer-events: none;
  }
}

/* 放大镜触发按钮：M 端 + 选中时才显示 */
.product-detail__variant-picker .variant-picker__zoom-trigger {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  z-index: 2;
  display: none;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  cursor: pointer;
  background: transparent;
  border: none;
  transform: translate(-50%, -50%);
}

.product-detail__variant-picker .variant-picker__zoom-trigger .icon {
  width: 100%;
  height: 100%;
}

@media (max-width: 959px) {
  .product-detail__variant-picker
    .variant-picker__option:has(input:checked)
    .variant-picker__zoom-trigger {
    display: flex;
  }
}

/* 底部 sheet 弹窗内容 */
.variant-picker__zoom-details .variant-picker__zoom-content {
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  padding: 20px 16px 16px;
  border-top-left-radius: var(--modal-border-radius);
  border-top-right-radius: var(--modal-border-radius);
}

.variant-picker__zoom-details .variant-picker__zoom-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.variant-picker__zoom-details .variant-picker__zoom-title {
  margin: 0;
  text-align: center;
}

.variant-picker__zoom-details
  .variant-picker__zoom-header
  .modal__close-control {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-end: 0;
  transform: translateY(-50%);
}

.variant-picker__zoom-details .variant-picker__zoom-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}

.variant-picker__zoom-details .variant-picker__zoom-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.variant-picker__zoom-details .variant-picker__zoom-group-label {
  font-weight: bold;
}

.variant-picker__zoom-details .variant-picker__zoom-options {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.variant-picker__zoom-details .variant-picker__zoom-thumb {
  position: relative;
  padding: 2px;
  cursor: pointer;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--variant-selector-border-radius);
  transition: border-color 0.2s;
}

.variant-picker__zoom-details .variant-picker__zoom-thumb.is-selected {
  border-color: rgb(var(--color-text));
}

.variant-picker__zoom-details .variant-picker__zoom-thumb-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--variant-selector-border-radius);
}

.variant-picker__zoom-details .variant-picker__zoom-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 12px;
}

.variant-picker__zoom-details .variant-picker__zoom-preview-image {
  display: block;
  max-width: 100%;
  object-fit: contain;
}