/* ============================================================
   SILVI SAREE HOUSE — PRODUCT DETAIL PAGE
   ============================================================ */

body[data-page="product"] {
  background: var(--color-bg);
}

.product-main {
  padding-top: var(--header-height);
}

.product-detail-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.product-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--space-6);
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.product-breadcrumb a {
  color: var(--color-text-secondary);
}

.product-breadcrumb a:hover {
  color: var(--color-primary);
}

.product-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}

.product-gallery {
  min-width: 0;
}

.product-gallery__main {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  border-radius: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  outline: none;
}

.product-gallery__main:focus-visible {
  box-shadow: 0 0 0 3px rgba(78, 15, 34, .22);
}

.product-gallery__main-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: opacity 180ms ease;
}

.product-gallery__main-image.is-changing {
  opacity: .32;
}

.product-gallery__main-control,
.product-gallery__rail-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(78, 15, 34, .16);
  border-radius: 50%;
  background: rgba(255, 253, 241, .94);
  color: var(--color-primary);
  cursor: pointer;
  transition:
    background var(--duration-fast),
    border-color var(--duration-fast),
    color var(--duration-fast),
    transform var(--duration-fast);
}

.product-gallery__main-control:hover,
.product-gallery__main-control:focus-visible,
.product-gallery__rail-control:hover,
.product-gallery__rail-control:focus-visible {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
  outline: none;
}

.product-gallery__main-control {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 44px;
  height: 44px;
  transform: translateY(-50%);
}

.product-gallery__main-control:hover,
.product-gallery__main-control:focus-visible {
  transform: translateY(calc(-50% - 1px));
}

.product-gallery__main-control--previous {
  left: var(--space-4);
}

.product-gallery__main-control--next {
  right: var(--space-4);
}

.product-gallery__counter {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 2;
  padding: 7px 11px;
  border-radius: var(--radius-full);
  background: rgba(52, 8, 21, .78);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
  backdrop-filter: blur(8px);
}

.product-gallery__thumb-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 40px;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.product-gallery__rail-control {
  width: 40px;
  height: 40px;
}

.product-gallery__thumb-track {
  min-width: 0;
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.product-gallery__thumb-track::-webkit-scrollbar {
  display: none;
}

.product-gallery__thumbnail {
  position: relative;
  flex: 0 0 calc((100% - (var(--space-3) * 3)) / 4);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 16px;
  background: var(--color-surface);
  cursor: pointer;
  scroll-snap-align: start;
  opacity: .72;
  transition:
    opacity var(--duration-fast),
    border-color var(--duration-fast),
    transform var(--duration-fast);
}

.product-gallery__thumbnail:hover,
.product-gallery__thumbnail:focus-visible {
  opacity: 1;
  transform: translateY(-2px);
  outline: none;
}

.product-gallery__thumbnail.is-active {
  border-color: var(--color-primary);
  opacity: 1;
}

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

.product-gallery__badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1;
  padding: 7px 13px;
  border-radius: var(--radius-full);
  background: #fff;
  color: #000;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-summary {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  padding: clamp(28px, 3vw, 44px);
  border: 1px solid var(--color-border-light);
  border-radius: 32px;
  background: #fff;
}

.product-summary__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.product-summary__badge {
  display: inline-flex;
  padding: 7px 13px;
  border-radius: var(--radius-full);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-summary__icon-actions {
  display: flex;
  gap: var(--space-2);
}

.product-summary__icon-button {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: #fff;
  color: var(--color-wine-deep);
  cursor: pointer;
  transition: color var(--duration-fast), border-color var(--duration-fast), background var(--duration-fast);
}

.product-summary__icon-button:hover,
.product-summary__icon-button.active {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
  color: var(--color-primary);
}

.product-summary__icon-button.active svg {
  fill: currentColor;
}

.product-summary__title {
  margin: 0 0 var(--space-3);
  color: var(--color-wine-deep);
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  font-weight: 400;
  line-height: 1.05;
}

.product-summary__descriptor {
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.5;
}

.product-summary__rating {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  color: var(--color-secondary);
  font-size: var(--text-sm);
  line-height: 1.4;
}

.product-summary__rating-count {
  color: var(--color-text-tertiary);
}

.product-summary__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: 4px;
  line-height: 1.15;
}

.product-summary__price-current {
  color: var(--color-wine-deep);
  font-size: clamp(1.6rem, 2.5vw, 2rem);
  font-weight: 600;
}

.product-summary__price-original {
  color: var(--color-text-tertiary);
  font-size: var(--text-base);
  text-decoration: line-through;
}

.product-summary__discount {
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
}

.product-summary__tax {
  display: block;
  margin-bottom: var(--space-6);
  color: var(--color-text-tertiary);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.product-variants {
  min-width: 0;
  margin: 0 0 var(--space-6);
  padding: 0;
  border: 0;
}

.product-variants__legend {
  margin-bottom: var(--space-3);
  color: var(--color-wine-deep);
  font-size: var(--text-sm);
  font-weight: 600;
}

.product-variants__track {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding: 2px 2px var(--space-2);
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.product-variants__track::-webkit-scrollbar {
  display: none;
}

.product-variant {
  width: 78px;
  flex: 0 0 78px;
  overflow: hidden;
  padding: 4px;
  border: 2px solid transparent;
  border-radius: 14px;
  background: #fff;
  color: var(--color-text-secondary);
  cursor: pointer;
  scroll-snap-align: start;
  text-align: center;
  transition: border-color var(--duration-fast), color var(--duration-fast), transform var(--duration-fast);
}

.product-variant:hover,
.product-variant:focus-visible {
  color: var(--color-primary);
  transform: translateY(-1px);
  outline: none;
}

.product-variant.is-active {
  border-color: var(--color-primary);
  color: var(--color-wine-deep);
}

.product-variant__image {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--color-border-light);
  border-radius: 9px;
  background: var(--color-surface);
}

.product-variant__name {
  display: block;
  overflow: hidden;
  margin-top: 6px;
  font-size: 10px;
  font-weight: 600;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-summary__add {
  width: 100%;
  min-height: 56px;
  justify-content: center;
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-base);
}

.product-summary__add:hover {
  background: var(--color-primary-dark);
}

.product-assurances {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: var(--space-5) 0;
  margin-bottom: var(--space-2);
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.product-assurance {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-2);
  min-width: 0;
  padding: 0 var(--space-2);
  color: var(--color-text-secondary);
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
}

.product-assurance svg {
  flex: 0 0 auto;
  color: var(--color-primary);
}

.product-assurance + .product-assurance {
  border-left: 1px solid var(--color-border-light);
}

.product-accordions {
  margin-top: var(--space-2);
}

.product-accordion {
  border-bottom: 1px solid var(--color-border-light);
}

.product-accordion__trigger {
  width: 100%;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-wine-deep);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .04em;
  text-align: left;
}

.product-accordion__icon {
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-primary);
  transition:
    transform var(--duration-base),
    background var(--duration-base),
    border-color var(--duration-base),
    color var(--duration-base);
}

.product-accordion__trigger[aria-expanded="true"] .product-accordion__icon {
  transform: rotate(180deg);
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: white;
}

.product-accordion__panel {
  padding: 0 0 var(--space-5);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.product-accordion__panel[hidden] {
  display: none;
}

.product-detail-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.product-detail-list div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: var(--space-3);
}

.product-detail-list dt {
  color: var(--color-text-tertiary);
}

.product-detail-list dd {
  margin: 0;
  color: var(--color-text-primary);
}

.product-related-section {
  padding-block: 80px;
  background: var(--color-surface);
}

.product-related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
}

.product-related-card {
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: 16px;
  background: transparent;
  transition:
    background var(--duration-base) var(--ease-elegant),
    border-color var(--duration-base) var(--ease-elegant),
    box-shadow var(--duration-base) var(--ease-elegant);
}

.product-related-card:hover,
.product-related-card:focus-within {
  border-color: #fff;
  background: #fff;
  box-shadow: 0 12px 30px rgba(52, 8, 21, .07);
}

.product-related-card__media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border-radius: 16px;
}

.product-related-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-elegant);
}

.product-related-card:hover .product-related-card__media img {
  transform: scale(1.035);
}

.product-related-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  padding: 6px 11px;
  border-radius: var(--radius-full);
  background: #fff;
  color: #000;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.product-related-card__body {
  padding: var(--space-4);
}

.product-related-card__rating {
  margin-bottom: 6px;
  color: var(--color-secondary);
  font-size: 11px;
}

.product-related-card__name {
  margin: 0 0 6px;
  color: var(--color-wine-deep);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: var(--leading-snug);
}

.product-related-card__name a {
  color: inherit;
}

.product-related-card__descriptor {
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.product-related-card__price {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  color: var(--color-wine-deep);
  font-size: var(--text-base);
  font-weight: 500;
}

.product-related-card__price del {
  color: var(--color-text-tertiary);
  font-size: var(--text-sm);
  font-weight: 400;
}

.product-related-card__add {
  width: 100%;
  min-height: 44px;
  padding: 10px var(--space-4);
  border-radius: var(--radius-md);
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: none;
}

.product-loading,
.product-not-found {
  padding: 120px var(--space-6);
  border: 1px solid var(--color-border-light);
  border-radius: 32px;
  background: #fff;
  color: var(--color-text-secondary);
  text-align: center;
}

.product-not-found h1 {
  margin-bottom: var(--space-3);
  color: var(--color-wine-deep);
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
}

@media (max-width: 1100px) {
  .product-detail-layout {
    grid-template-columns: minmax(0, 1fr) minmax(340px, .86fr);
    gap: var(--space-8);
  }

  .product-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .product-main {
    padding-top: var(--header-height-mobile);
  }

  .product-detail-section {
    padding-top: 48px;
    padding-bottom: 80px;
  }

  .product-related-section {
    padding-top: 80px;
    padding-bottom: 48px;
  }

  .product-detail-layout {
    grid-template-columns: 1fr;
  }

  .product-summary {
    position: static;
    padding: var(--space-6);
    border-radius: 24px;
  }
}

@media (max-width: 600px) {
  .product-breadcrumb {
    margin-bottom: var(--space-5);
  }

  .product-gallery__main {
    border-radius: 22px;
  }

  .product-gallery__main-control {
    width: 40px;
    height: 40px;
  }

  .product-gallery__main-control--previous {
    left: var(--space-3);
  }

  .product-gallery__main-control--next {
    right: var(--space-3);
  }

  .product-gallery__thumb-row {
    grid-template-columns: 36px minmax(0, 1fr) 36px;
    gap: var(--space-2);
  }

  .product-gallery__rail-control {
    width: 36px;
    height: 36px;
  }

  .product-gallery__thumbnail {
    flex-basis: calc((100% - (var(--space-2) * 2)) / 3);
    border-radius: 14px;
  }

  .product-summary__title {
    font-size: 2.45rem;
  }

  .product-assurances {
    gap: var(--space-2);
  }

  .product-detail-list div {
    grid-template-columns: 105px 1fr;
  }

  .product-related-grid {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--space-4);
    padding-bottom: var(--space-3);
  }

  .product-related-card {
    min-width: 78vw;
    scroll-snap-align: start;
  }
}