/* ============================================================
   JHANEX — product.css
   Path: /public_html/assets/css/product.css
   Single product page styles
   ============================================================ */

/* ── Product Layout ───────────────────────────────────────── */
.product-section { padding: 40px 0 80px; }

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 80px;
}

/* ── Gallery ──────────────────────────────────────────────── */
.product-gallery {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.product-thumbs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 560px;
  overflow-y: auto;
  scrollbar-width: thin;
}
.product-thumbs::-webkit-scrollbar { width: 4px; }
.product-thumbs::-webkit-scrollbar-thumb { background: var(--gray-200); }

.product-thumb {
  width: 80px;
  height: 80px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  flex-shrink: 0;
  transition: border-color 0.2s;
}
.product-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.product-thumb:hover { border-color: var(--gray-400); }
.product-thumb.active { border-color: var(--black); }
.product-thumb.active img { transform: scale(1.05); }

.product-main-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  background: var(--gray-100);
  cursor: zoom-in;
}
.product-main-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease, transform 0.5s ease;
}
.product-main-image:hover img { transform: scale(1.03); }

.gallery-zoom-hint {
  position: absolute;
  bottom: 14px;
  right: 14px;
  background: rgba(255,255,255,0.85);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 5px 10px;
  display: flex;
  align-items: center;
  gap: 5px;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.product-main-image:hover .gallery-zoom-hint { opacity: 1; }

.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.9);
  border: none;
  width: 40px; height: 40px;
  font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 5;
}
.product-main-image:hover .gallery-arrow { opacity: 1; }
.gallery-prev { left: 12px; }
.gallery-next { right: 12px; }
.gallery-arrow:hover { background: var(--white); }

/* ── Product Info ─────────────────────────────────────────── */
.product-info { padding-top: 8px; }

.product-category-label {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.product-category-label a:hover { color: var(--gold-dark); }

.product-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: 14px;
}

/* Rating summary */
.product-rating-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.stars-display { display: flex; gap: 2px; }
.stars-display .star { font-size: 1rem; color: var(--gray-200); }
.stars-display .star.filled { color: var(--gold); }
.rating-link {
  font-size: 0.78rem;
  color: var(--gray-600);
  text-decoration: underline;
  cursor: pointer;
}
.rating-link:hover { color: var(--gold-dark); }

/* Price block */
.product-price-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.product-price-main {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--black);
}
.product-price-compare {
  font-size: 1.1rem;
  color: var(--gray-400);
  text-decoration: line-through;
}
.product-price-save {
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--gold);
  color: var(--black);
  padding: 3px 8px;
  letter-spacing: 0.08em;
}

/* Short desc */
.product-short-desc {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--gray-600);
  margin-bottom: 24px;
}

.product-divider {
  height: 1px;
  background: var(--gray-200);
  margin: 24px 0;
}

/* ── Variant selectors ────────────────────────────────────── */
.variant-group { margin-bottom: 22px; }
.variant-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--black);
}
.variant-label strong { font-weight: 700; color: var(--black); }

/* Size selector */
.size-selector { display: flex; flex-wrap: wrap; gap: 8px; }
.size-opt {
  min-width: 44px;
  height: 42px;
  padding: 0 12px;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--black);
}
.size-opt:hover { border-color: var(--black); }
.size-opt.selected {
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}
.size-opt:disabled { opacity: 0.4; cursor: not-allowed; }

/* Color selector */
.color-selector { display: flex; flex-wrap: wrap; gap: 10px; }
.color-opt {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.color-opt:hover { transform: scale(1.12); border-color: var(--gray-400); }
.color-opt.selected {
  border-color: var(--black);
  box-shadow: 0 0 0 2px var(--white), 0 0 0 4px var(--black);
}

/* Variant status */
.variant-status {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 14px;
  margin-bottom: 16px;
  display: none;
}
.variant-status.in-stock  { background: #f0faf4; color: #1a7a3a; display: block; }
.variant-status.out-stock { background: #fff5f5; color: #c0392b; display: block; }

/* Qty wrap */
.qty-wrap {
  display: inline-flex;
  align-items: center;
  border: 1.5px solid var(--gray-200);
  width: fit-content;
}
.qty-wrap .qty-minus,
.qty-wrap .qty-plus {
  width: 42px; height: 44px;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--black);
  transition: background 0.2s;
  font-family: var(--font-body);
}
.qty-wrap .qty-minus:hover,
.qty-wrap .qty-plus:hover { background: var(--gray-100); }
.qty-wrap input {
  width: 56px; height: 44px;
  text-align: center;
  border: none;
  border-left: 1.5px solid var(--gray-200);
  border-right: 1.5px solid var(--gray-200);
  font-size: 0.88rem;
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--black);
  outline: none;
}

/* ── Product actions ──────────────────────────────────────── */
.product-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.btn-add-to-cart {
  flex: 1;
  min-width: 200px;
  padding: 16px 28px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 2px solid var(--black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.3s;
}
.btn-add-to-cart:hover:not(:disabled) { background: var(--gold); border-color: var(--gold); color: var(--black); }
.btn-add-to-cart:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-whatsapp-product {
  padding: 16px 20px;
  border: 2px solid #25D366;
  color: #25D366;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
  white-space: nowrap;
}
.btn-whatsapp-product:hover { background: #25D366; color: var(--white); }

/* ── Product meta ─────────────────────────────────────────── */
.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-bottom: 24px;
}
.meta-item strong { color: var(--black); }
.meta-item a { color: var(--black); text-decoration: underline; }
.meta-item a:hover { color: var(--gold-dark); }
.in-stock  { color: #1a7a3a; }
.out-of-stock { color: #c0392b; }

/* ── Trust badges ─────────────────────────────────────────── */
.product-trust {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: var(--cream);
  border-left: 3px solid var(--gold);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--gray-600);
}
.trust-item svg { color: var(--gold); flex-shrink: 0; }

/* ── Tabs ─────────────────────────────────────────────────── */
.product-tabs-section {
  border-top: 2px solid var(--black);
  padding-top: 0;
  margin-bottom: 80px;
}

.product-tab-nav {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.product-tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: 18px 32px;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-600);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tab-btn:hover { color: var(--black); }
.tab-btn.active { color: var(--black); border-bottom-color: var(--black); }
.tab-count {
  background: var(--black);
  color: var(--white);
  font-size: 0.58rem;
  padding: 2px 6px;
  border-radius: 10px;
}

.product-tab-panels { padding: 40px 0; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.product-description-content {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--gray-800);
  max-width: 800px;
}
.product-description-content h3,
.product-description-content h4 { font-family: var(--font-display); margin: 24px 0 12px; }
.product-description-content ul { margin: 12px 0 12px 20px; }
.product-description-content li { margin-bottom: 6px; }

/* ── Reviews ──────────────────────────────────────────────── */
.review-summary {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--gray-200);
  margin-bottom: 32px;
}
.review-summary-score { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.big-score {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 300;
  color: var(--black);
  line-height: 1;
}
.big-stars { display: flex; gap: 4px; }
.big-stars .star { font-size: 1.3rem; color: var(--gray-200); }
.big-stars .star.filled { color: var(--gold); }
.review-total { font-size: 0.72rem; color: var(--gray-600); }

.review-list { display: flex; flex-direction: column; gap: 0; margin-bottom: 48px; }
.review-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--gray-100);
}
.review-header { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.reviewer-avatar {
  width: 40px; height: 40px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  flex-shrink: 0;
}
.reviewer-info { flex: 1; }
.reviewer-info strong { display: block; font-size: 0.85rem; }
.review-date { font-size: 0.7rem; color: var(--gray-400); }
.review-stars { display: flex; gap: 2px; }
.review-stars .star { font-size: 0.9rem; color: var(--gray-200); }
.review-stars .star.filled { color: var(--gold); }
.review-title { font-weight: 600; font-size: 0.88rem; margin-bottom: 6px; }
.review-text { font-size: 0.83rem; color: var(--gray-600); line-height: 1.7; }
.review-admin-reply {
  margin-top: 14px;
  padding: 12px 16px;
  background: var(--cream);
  border-left: 3px solid var(--gold);
  font-size: 0.78rem;
  color: var(--gray-800);
}

/* Write review */
.write-review-section { padding-top: 40px; border-top: 1px solid var(--gray-200); }
.write-review-section h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 400;
  margin-bottom: 28px;
}

.star-picker-group { margin-bottom: 24px; }
.star-picker { display: flex; gap: 6px; margin-top: 8px; }
.star-pick {
  font-size: 1.8rem;
  color: var(--gray-200);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s, transform 0.15s;
  padding: 0 2px;
  line-height: 1;
}
.star-pick:hover,
.star-pick.active { color: var(--gold); transform: scale(1.15); }

.review-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

/* Alert */
.alert-jhanex {
  padding: 14px 18px;
  font-size: 0.82rem;
  margin-bottom: 20px;
  border-left: 4px solid;
}
.alert-jhanex.success { background: #f0faf4; border-color: #1a7a3a; color: #1a7a3a; }
.alert-jhanex.error   { background: #fff5f5; border-color: #c0392b; color: #c0392b; }

/* ── Shipping info ────────────────────────────────────────── */
.shipping-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.shipping-info-item h4 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-200);
}
.shipping-info-item ul { list-style: none; }
.shipping-info-item ul li {
  font-size: 0.83rem;
  color: var(--gray-600);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
  padding-left: 16px;
  position: relative;
}
.shipping-info-item ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--gold);
  font-size: 0.8rem;
}

/* ── Related section ──────────────────────────────────────── */
.related-section {
  padding: 60px 0 80px;
  background: var(--cream);
  border-top: 1px solid var(--cream-dark);
}

/* ── Lightbox ─────────────────────────────────────────────── */
.lightbox-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9000;
}
.lightbox-overlay.open { display: block; }

.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9001;
  align-items: center;
  justify-content: center;
}
.lightbox.open { display: flex; }

.lightbox-img-wrap {
  max-width: 90vw;
  max-height: 90vh;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: fixed;
  top: 20px; right: 28px;
  font-size: 2.5rem;
  color: var(--white);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 9002;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.lightbox-close:hover { opacity: 1; }

.lightbox-arrow {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 2.5rem;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  z-index: 9002;
  transition: background 0.2s;
}
.lightbox-arrow:hover { background: rgba(255,255,255,0.2); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-counter {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.6);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .product-layout { gap: 40px; }
}

@media (max-width: 900px) {
  .product-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .product-gallery {
    grid-template-columns: 1fr;
    position: static;
  }
  .product-thumbs {
    flex-direction: row;
    max-height: none;
    overflow-x: auto;
    gap: 8px;
  }
  .product-thumb { width: 70px; height: 70px; }
  .product-main-image { aspect-ratio: 4/3; }
  .shipping-info-grid { grid-template-columns: 1fr; gap: 28px; }
  .review-form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .product-actions { flex-direction: column; }
  .btn-add-to-cart, .btn-whatsapp-product { width: 100%; justify-content: center; }
  .tab-btn { padding: 14px 18px; font-size: 0.62rem; }
  .lightbox-arrow { display: none; }
}