/* ==========================================================================
   IALinks — Single Product Page Styles
   ========================================================================== */

/* ==========================================================================
   1. Product Hero Layout
   ========================================================================== */
.product-single { --gallery-width: 52%; --summary-width: 48%; }

.product-breadcrumb { padding: var(--space-5) 0 0; }

.product-hero {
  padding: var(--space-6) 0 var(--space-16);
}

.product-hero__grid {
  display: grid;
  grid-template-columns: var(--gallery-width) var(--summary-width);
  gap: var(--space-12);
  align-items: start;
}

/* ==========================================================================
   2. Product Gallery (Left Column)
   ========================================================================== */
.product-gallery {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

/* Badges */
.product-gallery__badges {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.pgallery-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-bold);
  line-height: 1;
  letter-spacing: 0.04em;
}
.pgallery-badge--sale { background: var(--color-primary); color: #fff; }
.pgallery-badge--new  { background: #22c55e; color: #fff; }
.pgallery-badge--oos  { background: var(--color-gray-700); color: #fff; }

/* Main Image Viewer */
.product-gallery__main {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background: var(--color-gray-100);
  aspect-ratio: 1 / 1;
  cursor: zoom-in;
}

.gallery-main__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}
.gallery-main__slide.is-active {
  opacity: 1;
  position: relative;
  pointer-events: auto;
}

.gallery-main__zoom-link {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
}

.gallery-main__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.product-gallery__main:hover .gallery-main__img { transform: scale(1.04); }

.gallery-main__zoom-icon {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,.85);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-secondary);
  opacity: 0;
  transform: scale(0.9);
  transition: opacity var(--transition-base), transform var(--transition-bounce);
  backdrop-filter: blur(4px);
  pointer-events: none;
}
.product-gallery__main:hover .gallery-main__zoom-icon {
  opacity: 1;
  transform: scale(1);
}

/* Gallery Nav Arrows */
.gallery-main__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.88);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(4px);
  transition: background var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
  opacity: 0;
}
.product-gallery__main:hover .gallery-main__arrow { opacity: 1; }
.gallery-main__arrow:hover { background: var(--color-primary); color: #fff; }
.gallery-main__arrow--prev { left: var(--space-3); }
.gallery-main__arrow--next { right: var(--space-3); }

/* Thumbnails */
.product-gallery__thumbs {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--color-gray-300) transparent;
}
.product-gallery__thumbs::-webkit-scrollbar { height: 4px; }
.product-gallery__thumbs::-webkit-scrollbar-track { background: transparent; }
.product-gallery__thumbs::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: 2px; }

.gallery-thumb {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast), transform var(--transition-bounce), box-shadow var(--transition-fast);
  scroll-snap-align: start;
  background: var(--color-gray-100);
  cursor: pointer;
  padding: 0;
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-base);
}
.gallery-thumb:hover { border-color: var(--color-gray-400); transform: translateY(-2px); }
.gallery-thumb.is-active { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(230,57,70,.2); }
.gallery-thumb.is-active img { transform: scale(1.05); }

/* ==========================================================================
   3. Lightbox
   ========================================================================== */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.92);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  animation: fade-in 0.2s ease;
  backdrop-filter: blur(6px);
}
.gallery-lightbox[hidden] { display: none; }

.gallery-lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px; height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.1);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
  z-index: 1;
}
.gallery-lightbox__close:hover { background: var(--color-primary); }

.gallery-lightbox__img-wrap {
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-lightbox__img {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  animation: slide-in-up 0.3s ease;
}

.gallery-lightbox__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px; height: 50px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.gallery-lightbox__btn:hover { background: var(--color-primary); }
.gallery-lightbox__btn--prev { left: var(--space-6); }
.gallery-lightbox__btn--next { right: var(--space-6); }

/* ==========================================================================
   4. Product Summary (Right Column)
   ========================================================================== */
.product-summary {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: var(--space-4);
}

/* Categories */
.product-summary__cats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}
.product-summary__cat-link {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: rgba(230,57,70,.08);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.product-summary__cat-link:hover { background: var(--color-primary); color: #fff; }

/* Title */
.product-summary__title {
  font-family: var(--font-base);
  font-size: clamp(var(--text-xl), 2.2vw, 1.75rem);
  font-weight: var(--fw-bold);
  color: var(--color-secondary);
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

/* Rating Row */
.product-summary__meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.product-summary__rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}
.product-summary__rating:hover { color: var(--color-primary); }
.product-summary__rating .stars { font-size: 16px; }
.product-summary__rating-text {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-800);
}
.product-summary__review-count { font-weight: var(--fw-regular); color: var(--color-gray-500); }

.product-summary__no-rating {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.product-summary__no-rating:hover { color: var(--color-primary); }

.product-summary__sku {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-gray-200);
}
.product-summary__sku strong { color: var(--color-gray-700); }

/* Divider */
.product-summary__divider {
  height: 1px;
  background: var(--color-gray-200);
  margin: var(--space-5) 0;
}

/* Price */
.product-summary__price {
  margin-bottom: var(--space-4);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.product-summary__price .price {
  font-size: var(--text-4xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-secondary);
  line-height: 1;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.product-summary__price .price ins {
  text-decoration: none;
  color: var(--color-primary);
  order: -1;
}
.product-summary__price .price del {
  font-size: var(--text-xl);
  font-weight: var(--fw-regular);
  color: var(--color-gray-400);
  order: 1;
}
.product-summary__you-save {
  display: inline-flex;
  align-items: center;
  background: #dcfce7;
  color: #16a34a;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

/* Short Description */
.product-summary__short-desc {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}
.product-summary__short-desc p { margin-bottom: var(--space-3); }
.product-summary__short-desc p:last-child { margin-bottom: 0; }
.product-summary__short-desc ul { list-style: disc; padding-left: var(--space-5); }
.product-summary__short-desc ul li { margin-bottom: var(--space-2); }

/* Stock Status */
.product-summary__stock {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
}
.product-summary__stock--instock {
  background: #f0fdf4;
  color: #16a34a;
  border: 1px solid #bbf7d0;
}
.product-summary__stock--outofstock {
  background: #fef2f2;
  color: #dc2626;
  border: 1px solid #fecaca;
}
.product-summary__stock--onbackorder {
  background: #fffbeb;
  color: #d97706;
  border: 1px solid #fde68a;
}
.stock-warning { font-weight: var(--fw-semibold); }

/* ==========================================================================
   5. Variations / Swatches
   ========================================================================== */
.product-summary__variations {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.variation-row { display: flex; flex-direction: column; gap: var(--space-3); }

.variation-row__label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.variation-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-800);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.variation-selected {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
}
.variation-selected::before { content: ': '; color: var(--color-gray-400); }

.variation-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Text swatch */
.variation-swatch--text {
  min-width: 44px;
  height: 44px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  border: 2px solid var(--color-gray-300);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-700);
  background: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-bounce);
  display: flex;
  align-items: center;
  justify-content: center;
}
.variation-swatch--text:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.variation-swatch--text.is-selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.variation-swatch--text.is-unavailable {
  opacity: 0.4;
  pointer-events: none;
  position: relative;
}
.variation-swatch--text.is-unavailable::after {
  content: '';
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px;
  background: var(--color-gray-400);
  transform: rotate(-35deg);
}

/* Color swatch */
.variation-swatch--color {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: 3px solid transparent;
  outline: 2px solid transparent;
  outline-offset: 3px;
  cursor: pointer;
  transition: all var(--transition-bounce);
  position: relative;
  overflow: hidden;
  background: transparent;
  padding: 0;
}
.variation-swatch--color:hover { transform: scale(1.12); outline-color: var(--color-gray-400); }
.variation-swatch--color.is-selected { outline-color: var(--color-primary); transform: scale(1.08); }
.variation-swatch--color .swatch-color {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
}
.variation-swatch--color.is-unavailable {
  opacity: 0.4;
  pointer-events: none;
}
.variation-swatch--color.is-unavailable::after {
  content: '';
  position: absolute;
  top: 50%; left: -5%;
  width: 110%;
  height: 2px;
  background: var(--color-gray-600);
  transform: translateY(-50%) rotate(-45deg);
}

/* Variation info area */
.product-summary__variation-info {
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-5);
  animation: fade-in 0.25s ease;
}
.product-summary__variation-info[hidden] { display: none; }
.variation-info__price .price { font-size: var(--text-xl); font-weight: var(--fw-bold); color: var(--color-secondary); }
.variation-info__price .price del { color: var(--color-gray-400); }
.variation-info__price .price ins { color: var(--color-primary); text-decoration: none; }
.variation-info__stock { font-size: var(--text-sm); font-weight: var(--fw-medium); color: var(--color-gray-700); }

/* ==========================================================================
   6. Quantity Stepper + ATC Row
   ========================================================================== */
.product-summary__atc-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

/* Quantity Stepper */
.product-qty {
  display: flex;
  align-items: center;
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 54px;
  background: var(--color-white);
  transition: border-color var(--transition-fast);
  flex-shrink: 0;
}
.product-qty:focus-within { border-color: var(--color-primary); }
.product-qty[hidden] { display: none; }

.qty-btn {
  width: 48px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  background: transparent;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  border: none;
  flex-shrink: 0;
}
.qty-btn:hover { color: var(--color-primary); background: var(--color-gray-100); }

.qty-input {
  width: 52px;
  text-align: center;
  font-size: var(--text-lg);
  font-weight: var(--fw-semibold);
  color: var(--color-secondary);
  border: none;
  outline: none;
  background: transparent;
  -moz-appearance: textfield;
  padding: 0;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ATC Buttons */
.product-summary__atc-btns {
  display: flex;
  gap: var(--space-3);
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
}

.product-atc-btn {
  flex: 1;
  min-width: 160px;
  height: 54px;
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
  justify-content: center;
}
.product-atc-btn.is-loading { pointer-events: none; }
.product-atc-btn.is-loading .atc-btn-text::after {
  content: '...';
  animation: loading-dots 1s infinite;
}
.product-atc-btn.added { background: #22c55e; border-color: #22c55e; }

/* "Buy Now" button */
.product-buy-now-btn {
  height: 54px;
  flex: 0 0 auto;
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--space-6);
  transition: all var(--transition-base);
}
.product-buy-now-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-primary);
}

/* Wishlist button */
.product-summary__wishlist {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-gray-600);
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-2) 0;
  transition: color var(--transition-fast);
  margin-bottom: var(--space-2);
}
.product-summary__wishlist:hover { color: var(--color-primary); }
.product-summary__wishlist.is-wishlisted { color: var(--color-primary); }
.product-summary__wishlist.is-wishlisted svg { fill: currentColor; }

/* ==========================================================================
   7. Trust Badges
   ========================================================================== */
.product-summary__trust {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.trust-badge:hover { border-color: var(--color-primary); background: rgba(230,57,70,.04); }

.trust-badge__icon {
  width: 40px;
  height: 40px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-xs);
}

.trust-badge__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.trust-badge__text strong {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-secondary);
  line-height: 1.2;
}
.trust-badge__text span {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
}

/* ==========================================================================
   8. Product Meta (SKU / Category / Tags)
   ========================================================================== */
.product-summary__product-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.product-meta-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-sm);
}
.product-meta-row__label {
  font-weight: var(--fw-semibold);
  color: var(--color-gray-600);
  text-transform: uppercase;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  min-width: 80px;
  flex-shrink: 0;
}
.product-meta-row__value { color: var(--color-gray-700); }
.product-meta-row__value a { color: var(--color-gray-700); transition: color var(--transition-fast); }
.product-meta-row__value a:hover { color: var(--color-primary); }

.product-meta-row__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.product-tag-pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-medium);
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  border: 1px solid var(--color-gray-200);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.product-tag-pill:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ==========================================================================
   9. Share Buttons
   ========================================================================== */
.product-summary__share {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.product-summary__share-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-600);
}
.share-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  transition: transform var(--transition-bounce), opacity var(--transition-fast);
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.share-btn:hover { transform: translateY(-3px); opacity: 0.9; }
.share-btn--facebook  { background: #1877f2; }
.share-btn--twitter   { background: #111; }
.share-btn--pinterest { background: #e60023; }
.share-btn--copy      { background: var(--color-gray-600); }
.share-btn--copy.is-copied { background: #22c55e; }

/* ==========================================================================
   10. Product Tabs Section
   ========================================================================== */
.product-tabs-section {
  background: var(--color-white);
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-gray-200);
}

/* Tab Nav */
.product-tabs__nav {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--color-gray-200);
  margin-bottom: var(--space-10);
  overflow-x: auto;
  scrollbar-width: none;
}
.product-tabs__nav::-webkit-scrollbar { display: none; }

.product-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  font-weight: var(--fw-semibold);
  color: var(--color-gray-600);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
  position: relative;
}
.product-tab-btn svg { transition: color var(--transition-fast); }
.product-tab-btn:hover { color: var(--color-secondary); }
.product-tab-btn.is-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.product-tab-btn.is-active svg { color: var(--color-primary); }

.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: var(--fw-bold);
  border-radius: var(--radius-full);
  line-height: 1;
}
.product-tab-btn:not(.is-active) .tab-count { background: var(--color-gray-400); }

/* Tab Panels */
.product-tabs__panels { min-height: 200px; }

.product-tab-panel {
  animation: fade-in 0.3s ease;
}
.product-tab-panel[hidden] { display: none; }

.product-tab-panel__inner {
  max-width: 900px;
}

/* Description tab content styles */
.product-tab-panel__inner h1,
.product-tab-panel__inner h2,
.product-tab-panel__inner h3,
.product-tab-panel__inner h4 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  color: var(--color-secondary);
  line-height: 1.3;
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}
.product-tab-panel__inner h2 { font-size: var(--text-2xl); }
.product-tab-panel__inner h3 { font-size: var(--text-xl); }
.product-tab-panel__inner h4 { font-size: var(--text-lg); }
.product-tab-panel__inner p {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.product-tab-panel__inner ul,
.product-tab-panel__inner ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}
.product-tab-panel__inner ul { list-style: disc; }
.product-tab-panel__inner ol { list-style: decimal; }
.product-tab-panel__inner li {
  font-size: var(--text-base);
  color: var(--color-gray-700);
  line-height: 1.7;
  margin-bottom: var(--space-2);
}
.product-tab-panel__inner img {
  border-radius: var(--radius-lg);
  margin: var(--space-4) 0;
}

/* Specifications Table */
.product-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}
.product-specs-table tr { border-bottom: 1px solid var(--color-gray-100); }
.product-specs-table tr:last-child { border-bottom: none; }
.product-specs-table tr:nth-child(even) { background: var(--color-gray-50, #fafafa); }
.product-specs-table th,
.product-specs-table td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  vertical-align: middle;
}
.product-specs-table th {
  font-weight: var(--fw-semibold);
  color: var(--color-gray-700);
  width: 35%;
  background: var(--color-gray-100);
}
.product-specs-table td { color: var(--color-gray-800); }

.spec-instock {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: #16a34a;
  font-weight: var(--fw-medium);
}
.spec-outofstock { color: #dc2626; font-weight: var(--fw-medium); }
.no-specs { color: var(--color-gray-500); font-style: italic; }

/* WooCommerce Reviews area inside tab */
.product-tab-panel__inner #reviews { margin: 0; }
.product-tab-panel__inner .woocommerce-Reviews-title { font-size: var(--text-2xl); margin-bottom: var(--space-6); }

/* Review form styling */
.product-tab-panel__inner #review_form_wrapper { margin-top: var(--space-8); }
.product-tab-panel__inner .comment-respond { background: var(--color-gray-100); border-radius: var(--radius-xl); padding: var(--space-8); }
.product-tab-panel__inner .comment-reply-title {
  font-size: var(--text-xl);
  font-weight: var(--fw-bold);
  color: var(--color-secondary);
  margin-bottom: var(--space-6);
}
.product-tab-panel__inner .comment-form-rating { margin-bottom: var(--space-4); }
.product-tab-panel__inner .comment-form-rating label { font-weight: var(--fw-semibold); }
.product-tab-panel__inner .stars a { color: #fbbf24; font-size: 24px; margin-right: 4px; }

/* Existing reviews */
.product-tab-panel__inner .woocommerce-Reviews .review {
  display: flex;
  gap: var(--space-5);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-gray-200);
}
.product-tab-panel__inner .reviewer-avatar img { border-radius: var(--radius-full); }
.product-tab-panel__inner .review__meta { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-3); flex-wrap: wrap; }
.product-tab-panel__inner .woocommerce-review__author { font-weight: var(--fw-semibold); color: var(--color-secondary); }
.product-tab-panel__inner .woocommerce-review__dash { color: var(--color-gray-400); }
.product-tab-panel__inner .woocommerce-review__published-date { font-size: var(--text-sm); color: var(--color-gray-500); }
.product-tab-panel__inner .woocommerce-review__content { color: var(--color-gray-700); line-height: 1.7; }

/* ==========================================================================
   11. Related Products
   ========================================================================== */
.product-related-section { background: var(--color-gray-100); }

/* ==========================================================================
   12. Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .product-single {
    --gallery-width: 50%;
    --summary-width: 50%;
  }
  .product-hero__grid { gap: var(--space-8); }
  .product-summary__trust { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .product-hero__grid {
    grid-template-columns: 1fr;
  }

  .product-gallery {
    position: relative;
    top: auto;
  }

  .product-summary__atc-row { flex-direction: column; align-items: stretch; }
  .product-qty { width: 100%; justify-content: center; }
  .product-summary__atc-btns { flex-direction: column; }
  .product-atc-btn,
  .product-buy-now-btn { width: 100%; justify-content: center; }

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

  .product-tab-btn { padding: var(--space-3) var(--space-4); font-size: var(--text-sm); }

  .product-specs-table th,
  .product-specs-table td { padding: var(--space-3) var(--space-4); }
  .product-specs-table th { width: 45%; }

  .gallery-lightbox__btn--prev { left: var(--space-2); }
  .gallery-lightbox__btn--next { right: var(--space-2); }

  .product-hero { padding: var(--space-4) 0 var(--space-10); }
}

@media (max-width: 480px) {
  .product-summary__title { font-size: var(--text-2xl); }
  .product-summary__price .price { font-size: var(--text-2xl); }

  .product-tab-btn { padding: var(--space-3) var(--space-3); font-size: var(--text-xs); gap: var(--space-1); }
  .product-tab-btn svg { display: none; }

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

  .product-tabs-section { padding: var(--space-10) 0; }
}

/* Grouped product notice */
.product-summary__grouped-notice {
  padding: var(--space-5) 0;
}

/* Loading dots animation */
@keyframes loading-dots {
  0%, 100% { content: '.'; }
  33%       { content: '..'; }
  66%       { content: '...'; }
}