/* ============================================================
   product.css — Product Detail Page Styles
============================================================ */

/* ── Breadcrumb strip ────────────────────────────────────── */
.prod-breadcrumb-wrap {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 48px 0;
}
.prod-breadcrumb-wrap .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--warm);
}
.prod-breadcrumb-wrap .breadcrumb a { color: var(--warm); transition: color .2s; }
.prod-breadcrumb-wrap .breadcrumb a:hover { color: var(--gold); }

/* ── Product detail layout ───────────────────────────────── */
.prod-detail-wrap {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 56px;
  max-width: 1400px;
  margin: 28px auto 0;
  padding: 0 48px 64px;
  align-items: start;
}

/* ── Gallery ─────────────────────────────────────────────── */
.prod-gallery {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  position: sticky;
  top: 90px;
}

/* Thumbnails */
.gallery-thumbs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.gthumb {
  width: 88px;
  height: 70px;
  border: 2px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: border-color .2s;
  flex-shrink: 0;
}
.gthumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gthumb.active { border-color: var(--gold); }
.gthumb:hover { border-color: var(--dark); }

/* Main image */
.gallery-main {
  position: relative;
  border-radius: var(--rl);
  overflow: hidden;
  background: var(--cream2);
  aspect-ratio: 5/4;
}
.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity .3s;
}
.gallery-main img.switching { opacity: 0; }

.gallery-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
}

/* Zoom button */
.gallery-zoom {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.85);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--dark);
  transition: background .2s;
  backdrop-filter: blur(4px);
  z-index: 2;
}
.gallery-zoom:hover { background: var(--white); }

/* Gallery arrows (mobile) */
.gal-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,.7);
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: var(--dark);
  z-index: 2;
  backdrop-filter: blur(4px);
  transition: background .2s;
}
.gal-arrow:hover { background: var(--white); }
.gal-arrow--prev { left: 12px; }
.gal-arrow--next { right: 12px; }

/* ── Product info column ─────────────────────────────────── */
.prod-info-col { padding-top: 8px; }

.prod-detail-name {
  font-family: var(--serif);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 400;
  color: var(--dark);
  line-height: 1.15;
  margin-bottom: 16px;
}

/* Rating row */
.prod-rating-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.prod-stars-lg { color: var(--gold); font-size: 16px; }
.rating-count  { font-size: 14px; font-weight: 500; }
.rating-link   { font-size: 13px; color: var(--gold); text-decoration: underline; }
.rating-sep    { color: var(--border); }
.sku-text      { font-size: 12px; color: var(--light); letter-spacing: .5px; }

/* Price */
.prod-price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
}
.pd-price  { font-size: 28px; font-weight: 600; color: var(--dark); }
.pd-old    { font-size: 18px; color: var(--light); text-decoration: line-through; }
.pd-save   { font-size: 13px; background: #E8F5E9; color: #2E7D32; padding: 3px 10px; border-radius: 20px; font-weight: 500; }
.price-note { font-size: 12px; color: var(--warm); margin-bottom: 20px; }

.pd-divider { height: 1px; background: var(--border); margin: 20px 0; }

/* Option groups (color, size, qty) */
.pd-option-group { margin-bottom: 22px; }
.pd-option-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--warm);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.pd-option-label strong { color: var(--dark); text-transform: none; }

/* Color swatches */
.color-selector { display: flex; gap: 10px; flex-wrap: wrap; }
.color-swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: transform .2s, border-color .2s;
  outline-offset: 3px;
}
.color-swatch:hover  { transform: scale(1.15); }
.color-swatch.selected { border-color: var(--gold); box-shadow: 0 0 0 2px rgba(184,147,90,.3); }
.swatch-check {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  font-size: 14px;
  color: var(--white);
  transition: opacity .2s;
  text-shadow: 0 1px 3px rgba(0,0,0,.5);
}
.color-swatch.selected .swatch-check { opacity: 1; }

/* Size buttons */
.size-selector { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.size-btn {
  padding: 9px 18px;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  background: var(--white);
  font-size: 13px;
  cursor: pointer;
  font-family: var(--sans);
  color: var(--dark);
  transition: all .2s;
  white-space: nowrap;
}
.size-btn:hover  { border-color: var(--dark); }
.size-btn.selected { border-color: var(--gold); background: var(--gold); color: var(--white); }
.size-btn.out-of-stock { opacity: .4; cursor: not-allowed; text-decoration: line-through; }

.size-guide-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .5px;
}
.size-guide-link:hover { text-decoration: underline; }

/* Quantity */
.qty-wrap {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  width: fit-content;
}
.qty-btn {
  width: 44px;
  height: 44px;
  background: var(--cream2);
  border: none;
  font-size: 16px;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}
.qty-btn:hover { background: var(--border); }
.qty-input {
  width: 56px;
  height: 44px;
  border: none;
  text-align: center;
  font-size: 15px;
  font-family: var(--sans);
  font-weight: 500;
  color: var(--dark);
  outline: none;
  background: var(--white);
  -moz-appearance: textfield;
}
.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* CTA buttons */
.pd-ctas {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}
.pd-add-cart {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  font-size: 13px;
  letter-spacing: 1.5px;
}
.pd-add-cart.added { background: var(--gold-dk); }

.pd-wishlist-btn {
  width: 54px;
  height: 54px;
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  background: var(--white);
  color: var(--warm);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  flex-shrink: 0;
}
.pd-wishlist-btn:hover,
.pd-wishlist-btn.active {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--white);
}

.pd-buy-now {
  width: 100%;
  padding: 15px;
  background: transparent;
  border: 1.5px solid var(--dark);
  border-radius: var(--r);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--dark);
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all .25s;
  margin-bottom: 20px;
}
.pd-buy-now:hover { background: var(--dark); color: var(--white); }

/* Trust items */
.pd-trust { display: flex; flex-direction: column; gap: 14px; }
.pd-trust-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.pd-trust-item i {
  font-size: 20px;
  color: var(--gold);
  margin-top: 2px;
  flex-shrink: 0;
}
.pd-trust-item strong {
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}
.pd-trust-item span { font-size: 12px; color: var(--warm); }

/* Share row */
.pd-share {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--warm);
  letter-spacing: .5px;
}
.pd-share a { font-size: 20px; color: var(--warm); transition: color .2s; }
.pd-share a:hover { color: var(--gold); }

/* ── Tabs ────────────────────────────────────────────────── */
.pd-tabs-wrap {
  background: var(--cream2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: 16px;
}
.pd-tabs-inner { max-width: 1400px; margin: 0 auto; padding: 0 48px; }

.pd-tab-nav {
  display: flex;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.pd-tab {
  padding: 18px 28px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--warm);
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 500;
  white-space: nowrap;
  transition: color .2s, border-color .2s;
}
.pd-tab:hover  { color: var(--dark); }
.pd-tab.active { color: var(--dark); border-bottom-color: var(--gold); }

.tab-badge {
  background: var(--gold);
  color: var(--white);
  font-size: 9px;
  padding: 2px 7px;
  border-radius: 20px;
  margin-left: 6px;
  vertical-align: 1px;
}

.pd-tab-content { padding: 40px 0 56px; }
.pd-tab-panel { display: none; }
.pd-tab-panel.active { display: block; }

/* Details tab */
.tab-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
}
.tab-grid h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--dark);
}
.tab-grid p { font-size: 14px; color: var(--warm); line-height: 1.9; }

.feature-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--warm);
}
.feature-list li i { color: var(--gold); margin-top: 2px; flex-shrink: 0; }

/* Specs table */
.specs-table-wrap h3 {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--dark);
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.specs-table th, .specs-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.specs-table th { color: var(--dark); font-weight: 500; background: var(--cream); width: 40%; }
.specs-table td { color: var(--warm); }

/* Care tab */
.care-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.care-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 28px;
}
.care-item i { font-size: 28px; color: var(--gold); display: block; margin-bottom: 12px; }
.care-item h4 { font-family: var(--serif); font-size: 18px; font-weight: 500; margin-bottom: 8px; }
.care-item p  { font-size: 13px; color: var(--warm); line-height: 1.8; }

/* Reviews tab */
.reviews-wrap { display: grid; grid-template-columns: 280px 1fr; gap: 48px; }

.review-summary { text-align: center; }
.avg-num  { display: block; font-family: var(--serif); font-size: 64px; font-weight: 300; line-height: 1; }
.avg-stars { display: block; font-size: 22px; color: var(--gold); margin: 8px 0 6px; }
.avg-count { font-size: 13px; color: var(--warm); }

.review-bars { margin-top: 24px; display: flex; flex-direction: column; gap: 8px; }
.rbar-row { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.rbar-label { width: 20px; color: var(--gold); font-weight: 500; flex-shrink: 0; }
.rbar-track { flex: 1; height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.rbar-fill  { height: 100%; background: var(--gold); border-radius: 3px; }
.rbar-pct   { width: 30px; text-align: right; color: var(--warm); }

.review-list { display: flex; flex-direction: column; gap: 24px; }
.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--rl);
  padding: 24px;
}
.review-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}
.review-meta strong { font-size: 14px; display: block; margin-bottom: 2px; }
.review-loc { font-size: 12px; color: var(--warm); display: flex; align-items: center; gap: 4px; }
.review-right { text-align: right; }
.review-stars { color: var(--gold); font-size: 13px; display: block; margin-bottom: 2px; }
.review-date  { font-size: 11px; color: var(--light); }
.review-title { font-family: var(--serif); font-size: 17px; font-weight: 500; margin-bottom: 8px; }
.review-body  { font-size: 13px; color: var(--warm); line-height: 1.8; }
.review-helpful {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--warm);
}
.review-helpful button {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  font-size: 12px;
  cursor: pointer;
  font-family: var(--sans);
  color: var(--warm);
  transition: all .2s;
}
.review-helpful button:hover { border-color: var(--dark); color: var(--dark); }

/* Size guide tab */
.size-guide-wrap { max-width: 720px; }
.size-guide-intro { font-size: 14px; color: var(--warm); line-height: 1.8; margin-bottom: 28px; }
.size-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 32px;
}
.size-table th, .size-table td {
  padding: 13px 18px;
  border: 1px solid var(--border);
  text-align: left;
}
.size-table thead th { background: var(--dark); color: var(--white); font-weight: 500; }
.size-table tbody tr:nth-child(even) { background: var(--cream); }
.size-table td { color: var(--warm); }

.room-reco h4 { font-family: var(--serif); font-size: 18px; font-weight: 500; margin-bottom: 12px; }
.room-reco ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.room-reco li { font-size: 13px; color: var(--warm); display: flex; gap: 8px; }
.room-reco strong { color: var(--dark); min-width: 100px; }

/* ── Zoom lightbox ───────────────────────────────────────── */
.zoom-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0,0,0,.92);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all .3s;
}
.zoom-overlay.open { opacity: 1; visibility: visible; }
.zoom-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--r);
}
.zoom-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
  background: transparent;
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
}
.zoom-close:hover { background: var(--white); color: var(--dark); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1100px) {
  .prod-detail-wrap { grid-template-columns: 1fr 400px; gap: 36px; padding: 0 28px 48px; }
  .tab-grid { grid-template-columns: 1fr; gap: 32px; }
  .reviews-wrap { grid-template-columns: 1fr; }
  .pd-tabs-inner { padding: 0 28px; }
}

@media (max-width: 900px) {
  .prod-detail-wrap { grid-template-columns: 1fr; padding: 0 20px 48px; }
  .prod-gallery { grid-template-columns: 1fr; }
  .gallery-thumbs { flex-direction: row; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .gthumb { flex-shrink: 0; }
  .gal-arrow { display: flex; }
  .prod-gallery { position: static; }
  .prod-breadcrumb-wrap { padding: 16px 20px 0; }
}

@media (max-width: 640px) {
  .pd-tabs-inner { padding: 0 16px; }
  .care-grid { grid-template-columns: 1fr; }
  .size-table { font-size: 12px; }
  .size-table th, .size-table td { padding: 10px 12px; }
}