/* ============================================================
   woocommerce.css — Single Product + WooCommerce overrides
   CSS ตรงตาม single-product.html ต้นฉบับ (inline style)
   ============================================================ */

/* ══════════════════════════════════════════
         SINGLE PRODUCT — Component CSS (mobile-first)
         ใช้ CSS custom properties จาก style.css ทั้งหมด
         ไม่มีค่า hard-coded สี/font/spacing/radius
      ══════════════════════════════════════════ */

/* ── Product Detail ── */
.product-detail {
  max-width: 128rem;
  margin: 0 auto;
  padding: var(--section-py) var(--section-px);
  display: grid;
  grid-template-columns: 1fr; /* mobile: stack */
  gap: var(--section-gap);
  align-items: start;
  animation: fadeUp 0.45s ease both;
}

@media (min-width: 900px) {
  .product-detail {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(1.8rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Gallery ── */
.product-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

.gallery-main {
  position: relative;
  background: var(--color-surface-base);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  overflow: hidden;
  aspect-ratio: 4 / 3.6;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--transition-base);
}

.gallery-main__placeholder {
  font-size: 8rem;
  user-select: none;
}

.gallery-zoom-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 3.8rem;
  height: 3.8rem;
  border-radius: 50%;
  background: var(--color-surface-base);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  box-shadow: 0 2px 8px var(--color-shadow-sm);
  transition:
    background var(--transition-base),
    color var(--transition-base),
    transform var(--transition-base);
  cursor: pointer;
}
.gallery-zoom-btn:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  transform: scale(1.08);
}

.gallery-thumbs {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.gallery-thumb {
  width: 7.2rem;
  height: 7.2rem;
  border-radius: var(--radius-md);
  border: 2px solid var(--color-border-subtle);
  background: var(--color-surface-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  flex-shrink: 0;
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}
.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-thumb .thumb-placeholder {
  font-size: 2.2rem;
}
.gallery-thumb:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.gallery-thumb.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(12, 160, 223, 0.2);
}

/* ── Product Info ── */
.product-info {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.product-info__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(12, 160, 223, 0.1);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 0.4rem 1.2rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  width: fit-content;
}

.product-info__title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-emphasis);
  letter-spacing: 0.01em;
}

.product-info__rating {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.stars {
  display: flex;
  gap: 2px;
}
.star {
  color: #f0b429;
  font-size: var(--font-size-md);
  line-height: 1;
}
.star.empty {
  color: var(--color-border-subtle);
}

.review-link {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  transition: color var(--transition-base);
}
.review-link:hover {
  color: var(--color-primary);
}

.product-info__price {
  font-size: clamp(2.4rem, 3vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.product-info__divider {
  height: 1px;
  background: var(--color-border-subtle);
}

.product-info__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-subtle-high);
  line-height: 1.8;
}

/* Quantity + Add to Cart */
.product-info__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.qty-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-base);
}

.qty-input {
  width: 5rem;
  text-align: center;
  border: none;
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-base);
  padding: 0.8rem 0;
  outline: none;
  background: transparent;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.qty-btns {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-border-subtle);
}
.qty-btn {
  width: 2.8rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  font-size: var(--font-size-xs);
  cursor: pointer;
  background: none;
  border: none;
  transition:
    background var(--transition-base),
    color var(--transition-base);
}
.qty-btn:first-child {
  border-bottom: 1px solid var(--color-border-subtle);
}
.qty-btn:hover {
  background: var(--color-surface-muted);
  color: var(--color-text-base);
}

.btn-add-cart {
  flex: 1;
  min-width: 16rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 600;
  padding: var(--btn-padding);
  border-radius: var(--radius-sm);
  border: none;
  letter-spacing: 0.03em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition:
    background var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}
.btn-add-cart:hover {
  background: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 2rem rgba(12, 160, 223, 0.3);
}

.btn-wishlist {
  width: 4.6rem;
  height: 4.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  cursor: pointer;
  flex-shrink: 0;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}
.btn-wishlist:hover,
.btn-wishlist.active {
  background: #fff0f5;
  color: #e05577;
  border-color: #e05577;
  transform: scale(1.07);
}

/* Meta */
.product-info__meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.product-info__meta strong {
  color: var(--color-text-base);
}
.product-info__meta a {
  color: var(--color-primary);
  font-weight: 500;
  transition: color var(--transition-base);
}
.product-info__meta a:hover {
  color: var(--color-secondary);
}

/* Social Share */
.product-info__share {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.share-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle);
  font-weight: 500;
  margin-right: 0.4rem;
}
.share-btn {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface-base);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-base);
}
.share-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ── Tabs Section ── */
.product-tabs-section {
  max-width: 128rem;
  margin: 0 auto;
  padding: 0 var(--section-px) var(--section-py);
}

.tabs-header {
  display: flex;
  gap: 0;
  margin-bottom: 2.4rem;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.tab-btn {
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--btn-padding-sm);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-subtle);
  background: var(--color-surface-base);
  cursor: pointer;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}
.tab-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.tab-btn:hover:not(.active) {
  color: var(--color-text-base);
  background: var(--color-surface-muted);
  border-color: var(--color-primary);
}

.tabs-divider {
  height: 1px;
  background: var(--color-border-subtle);
  margin-bottom: 2.4rem;
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

.tab-panel__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-emphasis);
  margin-bottom: 1.4rem;
}

.tab-panel__text {
  font-size: var(--font-size-base);
  color: var(--color-text-subtle-high);
  line-height: 1.8;
  max-width: 86rem;
}
.tab-panel__text + .tab-panel__text {
  margin-top: 1.2rem;
}

.tab-panel__text p {
  margin-bottom: 2rem;
}

/* Reviews */
.review-list {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  margin-top: 0.5rem;
}

.review-item {
  background: var(--color-surface-base);
  border: 1px solid var(--color-border-secondary);
  border-radius: var(--radius-lg);
  padding: var(--card-py) var(--card-px);
  box-shadow: var(--shadow-card);
}

.review-item__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 4.4rem;
  height: 4.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-base);
  font-weight: 700;
  flex-shrink: 0;
}

.review-name {
  font-weight: 600;
  font-size: var(--font-size-base);
  color: var(--color-text-base);
}
.review-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted-dark);
  margin-top: 2px;
}
.review-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-subtle-high);
  line-height: 1.7;
}

/* ── Related Products ── */
.related-section {
  max-width: 128rem;
  margin: 0 auto;
  padding: 0 var(--section-px) 4rem;
}

.related-section__title {
  font-family: var(--font-heading);
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-emphasis);
  margin-bottom: 2rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--section-gap);
}

@media (min-width: 640px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .related-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.related-card {
  background: var(--color-surface-base);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-secondary);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base);
  display: flex;
  flex-direction: column;
  animation: fadeUp 0.4s ease both;
}
.related-card:hover {
  box-shadow: 0 8px 3.2rem rgba(12, 160, 223, 0.2);
  transform: translateY(-3px);
}
.related-card:nth-child(1) {
  animation-delay: 0.04s;
}
.related-card:nth-child(2) {
  animation-delay: 0.1s;
}
.related-card:nth-child(3) {
  animation-delay: 0.16s;
}
.related-card:nth-child(4) {
  animation-delay: 0.22s;
}

.related-card__img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1 / 1.1;
  background: var(--color-surface-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}
.related-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.related-card:hover .related-card__img-wrap img {
  transform: scale(1.06);
}

.related-card__badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 0.3rem 1rem 0.3rem 1.4rem;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  clip-path: polygon(8px 0%, 100% 0%, 100% 100%, 8px 100%, 0% 50%);
}

.related-card__body {
  padding: var(--card-py) var(--card-px);
  text-align: center;
}
.related-card__name {
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: 0.4rem;
}
.related-card__price {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

/* ── WordPress / WooCommerce overrides ────────────────────────────────────── */

/* ซ่อน WooCommerce default quantity wrapper — ใช้ของเราแทน */
.woocommerce .quantity {
  display: none !important;
}

/* qty-wrap เราเอง */
.qty-wrap {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-base);
}
.qty-input {
  width: 5rem;
  text-align: center;
  border: none;
  font-family: inherit;
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text-base);
  padding: 0.8rem 0;
  outline: none;
  background: transparent;
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}
.qty-btns {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-border-subtle);
}
.qty-btn {
  width: 2.8rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-subtle);
  font-size: var(--font-size-xs);
  cursor: pointer;
  background: none;
  border: none;
  transition:
    background var(--transition-base),
    color var(--transition-base);
}
.qty-btn:first-child {
  border-bottom: 1px solid var(--color-border-subtle);
}
.qty-btn:hover {
  background: var(--color-surface-muted);
  color: var(--color-text-base);
}

/* btn-add-cart — WooCommerce single_add_to_cart_button override */
.single_add_to_cart_button,
.btn-add-cart {
  flex: 1;
  min-width: 16rem;
  background: var(--color-primary) !important;
  color: var(--color-text-inverse) !important;
  font-family: inherit;
  font-size: var(--font-size-base) !important;
  font-weight: 600;
  padding: var(--btn-padding-md) !important;
  border-radius: var(--radius-sm) !important;
  border: none !important;
  letter-spacing: 0.03em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  transition:
    background var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}
.single_add_to_cart_button:hover,
.btn-add-cart:hover {
  background: var(--color-secondary) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 2rem rgba(12, 160, 223, 0.3);
}

/* Checkout: cart — ซ่อน WooCommerce default UI ที่ซ้ำ */
.woocommerce-cart-form__cart-item .product-quantity input.qty {
  width: 5rem !important;
  text-align: center;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.6rem;
  font-family: inherit;
}

/* WooCommerce review form */
#review_form {
  margin-top: 2.4rem;
}
#review_form .comment-form-rating {
  margin-bottom: 1.2rem;
}

/* Related products use product-card classes */
.related.products h2 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xxl);
  font-weight: 700;
  color: var(--color-emphasis);
  margin-bottom: 2rem;
}