/* ============================================================
   ShoeZone — productDetails.css  (Enhanced UI, B&W theme)
   ============================================================ */

/* ============================================================
   PAGE WRAPPER
   ============================================================ */
.product-page-container {
  max-width: 1240px;
  padding: 0 1.5rem 4rem;
}

/* Breadcrumb override */
.product-page-container .breadcrumb {
  background: transparent;
  padding: 1rem 0 .5rem;
  margin-bottom: 0;
  font-size: .78rem;
  gap: .4rem;
}
.product-page-container .breadcrumb a {
  color: var(--grey-600);
  text-decoration: none;
  transition: color var(--transition);
}
.product-page-container .breadcrumb a:hover { color: var(--black); }
.product-page-container .breadcrumb-item.active { color: var(--black); font-weight: 600; }
.product-page-container .breadcrumb-item + .breadcrumb-item::before {
  content: '/';
  color: var(--grey-300);
}

/* ============================================================
   LEFT — IMAGE GALLERY
   ============================================================ */
.gallery-col { position: sticky; top: calc(var(--nav-height, 64px) + 1rem); }

.main-image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg, 24px);
  border: 1px solid var(--grey-100);
  background: var(--off-white, #f7f6f3);
  aspect-ratio: 1 / 1;
  cursor: zoom-in;
}

/* Zoom on hover */
.zoom-container:hover .main-product-image { transform: scale(1.15); }

.main-product-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .5s cubic-bezier(.25,.1,.25,1);
  transform-origin: center center;
  padding: 1rem;
}

/* Stock ribbon */
.stock-ribbon {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--black);
  color: var(--white);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .85rem;
  border-radius: 50px;
  z-index: 4;
}
.stock-ribbon.oos { background: #dc2626; }

/* Thumbnails */
.thumbnails {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  justify-content: center;
  margin-top: 1rem;
}
.thumbnail-item {
  width: 72px; height: 72px;
  border: 2px solid var(--grey-100);
  border-radius: var(--radius-sm, 8px);
  overflow: hidden;
  cursor: pointer;
  transition: border-color .2s, transform .2s, box-shadow .2s;
  background: var(--off-white);
}
.thumbnail-item:hover,
.thumbnail-item.active {
  border-color: var(--black);
  transform: scale(1.06);
  box-shadow: 0 4px 12px rgba(0,0,0,.12);
}
.thumbnail { width: 100%; height: 100%; object-fit: cover; }

/* Fade transition on image change */
.main-product-image {
  transition: transform .5s cubic-bezier(.25,.1,.25,1), opacity .15s ease;
}

/* ============================================================
   RIGHT — PRODUCT DETAILS PANEL
   ============================================================ */
.product-info-panel {
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-lg, 24px);
  padding: 2.25rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
}

/* Category tag */
.pd-category-tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--grey-400);
  margin-bottom: .75rem;
}
.pd-category-tag::before {
  content: '';
  display: block;
  width: 20px; height: 2px;
  background: var(--grey-300);
  border-radius: 2px;
}

/* Product name */
.pd-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: .02em;
  line-height: .95;
  color: var(--black);
  margin-bottom: 1rem;
}

/* Rating row */
.pd-rating-row {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin-bottom: 1.25rem;
}
.pd-rating-row .stars-row { color: #f59e0b; font-size: .9rem; }
.pd-rating-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--grey-600);
}

/* Price block */
.pd-price-block {
  display: flex;
  align-items: flex-end;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}
.pd-price-current {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.6rem;
  letter-spacing: .02em;
  line-height: 1;
  color: var(--black);
}
.pd-price-original {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--grey-400);
  text-decoration: line-through;
  margin-bottom: .25rem;
}
.pd-discount-pill {
  display: inline-flex;
  align-items: center;
  background: #f0fdf4;
  color: #15803d;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  padding: .25rem .65rem;
  border-radius: 50px;
  border: 1px solid #bbf7d0;
  margin-bottom: .25rem;
}

/* Offer info banner */
.pd-offer-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius-sm);
  padding: .65rem 1rem;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  cursor: pointer;
  transition: background var(--transition);
}
.pd-offer-banner:hover { background: var(--grey-800); }
.pd-offer-banner i { opacity: .7; }

/* Out of stock banner */
.pd-oos-banner {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: .85rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}
.pd-oos-banner i { font-size: 1rem; }

/* Divider */
.pd-divider {
  height: 1px;
  background: var(--grey-100);
  margin: 1.25rem 0;
}

/* Quantity control */
.pd-qty-label {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--grey-400);
  margin-bottom: .6rem;
}
.pd-quantity-control {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .75rem;
}
.pd-qty-btn {
  width: 40px; height: 40px;
  border: 2px solid var(--grey-100);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.pd-qty-btn:hover:not(:disabled) {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.pd-qty-btn:disabled { opacity: .35; cursor: not-allowed; }
.pd-qty-input {
  width: 60px; height: 40px;
  text-align: center;
  border: 2px solid var(--grey-100);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  font-family: 'DM Sans', sans-serif;
  color: var(--black);
  background: var(--off-white);
  outline: none;
  transition: border-color var(--transition);
}
.pd-qty-input:focus { border-color: var(--black); background: var(--white); }

/* Total price */
.pd-total-price {
  font-size: .82rem;
  color: var(--grey-600);
  margin-bottom: 1.25rem;
}
.pd-total-price strong {
  color: var(--black);
  font-size: 1rem;
}

/* Action buttons */
.pd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}
.btn-pd-cart {
  flex: 1;
  min-width: 130px;
  background: var(--white);
  color: var(--black);
  border: 2px solid var(--black);
  border-radius: var(--radius-sm);
  padding: .85rem 1.25rem;
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'DM Sans', sans-serif;
}
.btn-pd-cart:hover { background: var(--black); color: var(--white); }
.btn-pd-buy {
  flex: 1;
  min-width: 130px;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  border-radius: var(--radius-sm);
  padding: .85rem 1.25rem;
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'DM Sans', sans-serif;
}
.btn-pd-buy:hover { background: var(--grey-800); border-color: var(--grey-800); color: var(--white); }
.btn-pd-wishlist {
  width: 44px; height: 44px;
  border: 2px solid var(--grey-100);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--grey-400);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
  text-decoration: none;
}
.btn-pd-wishlist:hover,
.btn-pd-wishlist.wishlisted {
  border-color: #ef4444;
  color: #ef4444;
  background: #fff0f0;
}
.btn-pd-wishlist-full {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  border: 2px solid var(--grey-100);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--black);
  padding: .85rem 1.25rem;
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'DM Sans', sans-serif;
}
.btn-pd-wishlist-full:hover { border-color: var(--black); }

/* Trust badges row */
.pd-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--grey-100);
}
.pd-trust-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  font-weight: 600;
  color: var(--grey-600);
  letter-spacing: .03em;
}
.pd-trust-item i { color: var(--black); font-size: .8rem; }

/* ============================================================
   DESCRIPTION TAB
   ============================================================ */
.pd-description-section {
  margin-top: 3rem;
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.pd-desc-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--grey-100);
  display: flex;
  align-items: center;
  gap: .75rem;
}
.pd-desc-header h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: .04em;
  color: var(--black);
  margin: 0;
}
.pd-desc-header .desc-icon {
  width: 32px; height: 32px;
  background: var(--black);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: .8rem;
}
.pd-desc-body {
  padding: 1.75rem 2rem;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--grey-600);
  white-space: pre-wrap;
}
.pd-desc-body p { margin-bottom: 1rem; }
.pd-desc-body strong, .pd-desc-body b { color: var(--black); font-weight: 700; }
.pd-desc-body ul, .pd-desc-body ol { margin: 1rem 0; padding-left: 1.5rem; }
.pd-desc-body li { margin-bottom: .35rem; }

/* ============================================================
   REVIEWS SECTION
   ============================================================ */
.pd-reviews-section {
  margin-top: 2rem;
  background: var(--white);
  border: 1px solid var(--grey-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.05);
}
.pd-reviews-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--grey-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .75rem;
}
.pd-reviews-header h3 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: .04em;
  color: var(--black);
  margin: 0;
}
.reviews-count-pill {
  background: var(--off-white);
  border: 1px solid var(--grey-100);
  color: var(--grey-600);
  font-size: .75rem;
  font-weight: 700;
  padding: .25rem .75rem;
  border-radius: 50px;
}
.pd-review-list { padding: 0 2rem; }

.pd-review-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--grey-100);
  display: flex;
  flex-direction: column;
  gap: .5rem;
  animation: fadeSlideIn .3s ease both;
}
.pd-review-item:last-child { border-bottom: none; }
@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.review-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.review-avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--black);
  color: var(--white);
  font-size: .8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.review-user { font-weight: 700; font-size: .88rem; color: var(--black); }
.review-date { font-size: .75rem; color: var(--grey-400); margin-left: auto; }
.review-stars { color: #f59e0b; font-size: .82rem; }
.review-comment {
  font-size: .9rem;
  color: var(--grey-600);
  line-height: 1.6;
  padding-left: calc(34px + .75rem);
}

.no-reviews-state {
  padding: 3rem 2rem;
  text-align: center;
  color: var(--grey-400);
}
.no-reviews-state i { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.no-reviews-state p { font-size: .9rem; }

.btn-load-more {
  display: block;
  width: calc(100% - 4rem);
  margin: 0 2rem 1.5rem;
  padding: .75rem;
  background: var(--off-white);
  border: 1.5px solid var(--grey-100);
  border-radius: var(--radius-sm);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--black);
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'DM Sans', sans-serif;
}
.btn-load-more:hover {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 991.98px) {
  .gallery-col { position: static; }
  .product-info-panel { padding: 1.75rem 1.5rem; }
}
@media (max-width: 767.98px) {
  .product-page-container { padding: 0 1rem 3rem; }
  .product-info-panel { padding: 1.5rem 1.25rem; border-radius: var(--radius-md); }
  .pd-name { font-size: 2.2rem; }
  .pd-price-current { font-size: 2rem; }
  .pd-description-section, .pd-reviews-section { border-radius: var(--radius-md); }
  .pd-desc-body, .pd-review-list { padding: 1.25rem; }
  .pd-reviews-header, .pd-desc-header { padding: 1.25rem; }
  .review-comment { padding-left: 0; }
  .btn-load-more { width: calc(100% - 2.5rem); margin: 0 1.25rem 1.25rem; }
}
@media (max-width: 575.98px) {
  .pd-actions { flex-direction: column; }
  .btn-pd-cart, .btn-pd-buy { flex: none; width: 100%; }
  .btn-pd-wishlist-full { width: 100%; justify-content: center; }
}