/* =============================================================================
   MOURN — PRODUCT DETAIL (page-specific: gallery, variant picker, CTA).
   Isolated from global.css/navbar.css/footer.css/shop.css. Mobile-first:
   gallery -> info -> variant selection -> CTA all follow natural source
   order; desktop splits into two columns without reordering anything.
   ========================================================================== */

.product-detail {
  padding-block: var(--space-lg) var(--space-xxl);
}

.product-detail__box {
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.product-detail__gallery {
  padding: var(--space-lg);
  border-bottom: var(--border-hairline);
  background-color: var(--color-neutral-900);
}

.product-detail__columns {
  display: block;
}

.product-detail__info,
.product-detail__actions {
  padding: var(--space-lg);
}

.product-detail__info {
  border-bottom: var(--border-hairline);
}

.product-detail__name {
  margin-bottom: var(--space-sm);
}

.product-detail__price {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-sm);
  color: var(--color-surface);
  background-color: var(--color-ink);
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  padding: var(--space-xs) var(--space-lg) var(--space-xs) var(--space-md);
  margin-bottom: var(--space-md);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 50%, calc(100% - 14px) 100%, 0 100%);
}

.product-detail__price-compare {
  text-decoration: line-through;
  color: var(--color-neutral-500);
  font-weight: var(--font-weight-regular);
  font-size: 0.875rem;
}

.product-detail__description {
  color: var(--color-ink);
  margin-bottom: var(--space-lg);
  white-space: pre-line;
}

.product-detail__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.product-detail__sku {
  font-size: 0.875rem;
  color: var(--color-neutral-500);
}

.product-detail__availability {
  font-size: 0.875rem;
  color: var(--color-error);
}

.product-detail__quantity {
  max-width: 120px;
}

/* --- Gallery --- */

.product-gallery__main {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-gallery__placeholder {
  width: 100%;
  height: 100%;
}

.product-gallery__thumbs {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-xxs);
}

.product-gallery__thumb {
  flex: 0 0 auto;
  width: 64px;
  height: 64px;
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  overflow: hidden;
  padding: 0;
  opacity: 0.6;
}

.product-gallery__thumb.is-active {
  opacity: 1;
  outline: 2px solid var(--color-ink);
  outline-offset: 1px;
}

.product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Variant option picker (Color / Size) --- */

.product-option {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.product-option__label {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-title);
}

.product-option__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.product-option__button {
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-xs) var(--space-md);
  border: var(--border-hairline);
  border-radius: var(--radius-sm);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-size: var(--font-size-body);
}

.product-option__button.is-selected {
  background-color: var(--color-ink);
  color: var(--color-surface);
}

.product-option__button[data-state="unavailable"] {
  color: var(--color-neutral-500);
  text-decoration: line-through;
}

.product-option__button[data-state="nonexistent"] {
  color: var(--color-neutral-100);
  border-color: var(--color-neutral-100);
  cursor: not-allowed;
}

/* --- Desktop (>=1024px): full-width gallery on top, info | actions columns below --- */
@media (min-width: 1024px) {
  .product-gallery__main {
    max-width: 500px;
    margin-inline: auto;
  }

  .product-gallery__thumbs {
    max-width: 500px;
    margin-inline: auto;
  }

  .product-detail__columns {
    display: grid;
    grid-template-columns: 2fr 1fr;
  }

  .product-detail__info {
    border-bottom: none;
    border-right: var(--border-hairline);
  }
}