.product-detail { padding-block: var(--sp-16); }

.product-detail__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
  gap: var(--sp-12);
  align-items: start;
}

.product-gallery {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: var(--sp-4);
  align-items: start;
}

.product-gallery__nav {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.product-gallery__thumbs {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-gallery__thumbs li.is-hidden { display: none; }

.product-gallery__thumb {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  padding: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  background: var(--c-surface-muted);
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.product-gallery__thumb:hover { border-color: var(--c-border-strong); }

.product-gallery__thumb.is-active { border-color: var(--c-primary); }

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

.product-gallery__more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1 / 1;
  margin-top: 0.625rem;
  border: none;
  border-radius: 0;
  background: transparent;
  color: var(--c-primary);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.product-gallery__more:hover { color: var(--c-primary-hover); }

.product-gallery__more svg { width: 1rem; height: 1rem; }

.product-gallery__main {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--c-surface-muted);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
}

.product-gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.product-gallery__zoom-lens {
  position: absolute;
  pointer-events: none;
  display: none;
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  border: 2px solid var(--c-primary);
  background-repeat: no-repeat;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
}

.product-gallery__main.is-zooming .product-gallery__zoom-lens { display: block; }

.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.product-info__title {
  margin: 0;
  font-size: clamp(1.75rem, 2.4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-text-strong);
}

.product-info__sku {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--c-primary);
}

.product-info__desc {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-text-muted);
}

.product-info__specs {
  margin: 0;
  padding-top: var(--sp-5);
  border-top: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
}

.product-info__spec {
  display: grid;
  grid-template-columns: minmax(7rem, 35%) 1fr;
  gap: var(--sp-4);
  padding-block: var(--sp-3);
  border-bottom: 1px solid var(--c-border);
  align-items: baseline;
}

.product-info__spec:last-child { border-bottom: 0; }

.product-info__spec dt {
  font-weight: 600;
  color: var(--c-text-strong);
  font-size: var(--fs-small);
}

.product-info__spec dd {
  margin: 0;
  color: var(--c-text-muted);
  font-size: var(--fs-small);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
}

.product-info__spec-link {
  display: inline-flex;
  align-items: center;
  color: var(--c-text-muted);
  transition: color var(--dur) var(--ease);
}

.product-info__spec-link:hover { color: var(--c-primary); }

.product-info__spec-link svg { width: 0.875rem; height: 0.875rem; }

.product-info__actions {
  display: flex;
  flex-wrap: nowrap;
  gap: var(--sp-3);
}

.product-info__actions > * {
  flex: 1 1 auto;
}

.woocommerce .product-info__actions a.btn {
  display: inline-flex;
}

.product-info__actions .yith-ywraq-add-button .btn {
  width: 100%;
}

.product-info__download svg {
  width: 1rem;
  height: 1rem;
  flex: none;
}

.product-info__share {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--c-border);
  margin-top: var(--sp-2);
}

.product-info__share-label {
  font-size: var(--fs-small);
  color: var(--c-text-muted);
}

.share-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--c-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.share-link:hover {
  color: var(--c-primary);
  background: var(--c-surface-muted);
}

.share-link svg { width: 1.125rem; height: 1.125rem; }

.product-tabs {
  padding-block: var(--sp-10) var(--sp-14);
  background: var(--c-surface-muted);
  border-top: 1px solid var(--c-border);
}

.tabs__nav {
  display: flex;
  gap: var(--sp-6);
  border-bottom: 1px solid var(--c-border);
  flex-wrap: wrap;
}

.tabs__tab {
  display: inline-flex;
  align-items: center;
  padding-block: var(--sp-4);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-text-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.tabs__tab:hover { color: var(--c-text-strong); }

#t-spec:checked ~ .tabs__nav label[for="t-spec"],
#t-desc:checked ~ .tabs__nav label[for="t-desc"],
#t-app:checked ~ .tabs__nav label[for="t-app"],
#t-dl:checked ~ .tabs__nav label[for="t-dl"] {
  color: var(--c-primary);
  border-bottom-color: var(--c-primary);
}

.tabs__panel { display: none; padding: var(--sp-6) 0; }

.tabs__card {
  margin: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-6);
}

#t-spec:checked ~ .tabs__panels #panel-spec,
#t-desc:checked ~ .tabs__panels #panel-desc,
#t-app:checked ~ .tabs__panels #panel-app,
#t-dl:checked ~ .tabs__panels #panel-dl { display: block; }

.tabs__text {
  margin: 0;
  max-width: 56rem;
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--c-text);
}

.tabs__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 1.25rem;
  margin: 0;
  font-size: var(--fs-small);
  color: var(--c-text);
  line-height: 1.7;
}

.tabs__downloads {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.spec-table {
  margin: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.spec-table__row {
  display: grid;
  grid-template-columns: 12rem 1fr 12rem 1fr;
  column-gap: var(--sp-8);
  row-gap: 0.25rem;
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--c-border);
  align-items: baseline;
}

.spec-table__row:last-child { border-bottom: 0; }

.spec-table__row dt {
  font-weight: 600;
  color: var(--c-text-strong);
  font-size: var(--fs-small);
  text-align: left;
}

.spec-table__row dd {
  margin: 0;
  color: var(--c-text);
  font-size: var(--fs-small);
  text-align: left;
}

.related { padding-block: var(--sp-16); }

.related__title {
  margin: 0 0 var(--sp-8);
  font-size: clamp(1.5rem, 2vw, 1.875rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-text-strong);
}

.related__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--grid-gap);
}

.product-card--archive .product-card__media { aspect-ratio: 1 / 1; }

@media (max-width: 1080px) {
  .product-detail__layout { grid-template-columns: 1fr; gap: var(--sp-8); }
  .product-gallery { grid-template-columns: 4.5rem minmax(0, 1fr); }
  .related__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .product-info__actions { flex-wrap: wrap; }
  .product-info__actions > * { flex: 1 1 100%; }
  .spec-table__row { grid-template-columns: 1fr; column-gap: 0; padding: var(--sp-4) var(--sp-5); }
  .related__grid { grid-template-columns: 1fr; }
}