/* =============================================
   ESSENCE — Product Details (page-specific only)
   ============================================= */

.product-page {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem 2rem 5rem;
}

/* ===== Breadcrumb ===== */

.breadcrumb {
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--ink-soft);
  transition: color 0.2s ease;
}

.breadcrumb a:hover { color: var(--gold); }

.crumb-sep { margin: 0 0.4rem; color: var(--ink-faint); }

.crumb-current { color: var(--ink); }

/* ===== Out of stock banner ===== */

.stock-banner {
  background: rgba(179, 64, 44, 0.08);
  border-left: 3px solid var(--red);
  color: var(--red);
  font-size: 0.82rem;
  padding: 0.85rem 1.1rem;
  margin-bottom: 2rem;
}

/* ===== Top section: gallery + info ===== */

.product-top {
  display: grid;
  grid-template-columns: 100px 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.product-gallery {
  grid-column: 1 / 3;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1rem;
  align-items: start;
}

.gallery-thumbs {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.thumb-btn {
  border: 1px solid var(--line);
  padding: 0;
  background: var(--panel);
  cursor: pointer;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  transition: border-color 0.2s ease;
}

.thumb-btn.is-active { border-color: var(--ink); }

.thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-main {
  position: relative;
  background: var(--panel);
  aspect-ratio: 4 / 4.6;
  overflow: hidden;
  cursor: zoom-in;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.zoom-lens {
  position: absolute;
  width: 160px;
  height: 160px;
  border: 2px solid var(--gold);
  box-shadow: 0 4px 16px rgba(28, 26, 22, 0.25);
  display: none;
  pointer-events: none;
  z-index: 5;
}

.zoom-hint {
  position: absolute;
  bottom: 0.85rem;
  right: 0.85rem;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  background: rgba(28, 26, 22, 0.55);
  padding: 0.35rem 0.65rem;
  pointer-events: none;
}

/* ===== Product info ===== */

.product-info {
  grid-column: 3 / 4;
}

.product-eyebrow {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin: 0 0 0.6rem;
}

.product-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 2.4rem;
  margin: 0 0 0.9rem;
  line-height: 1.1;
}

.rating-summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.1rem;
}

.stars .star,
.stars-lg .star {
  color: var(--line);
  font-size: 0.95rem;
}

.stars-lg .star { font-size: 1.3rem; }

.stars .star.is-filled,
.stars-lg .star.is-filled {
  color: var(--gold);
}

.rating-count {
  font-size: 0.78rem;
  color: var(--ink-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.price-current {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--ink);
}

.price-compare {
  font-size: 0.9rem;
  color: var(--ink-faint);
  text-decoration: line-through;
}

.product-description {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 1.75rem;
}

/* ===== Size selector ===== */

.size-selector { margin-bottom: 1.5rem; }

.size-label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.75rem;
}

.size-options {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.size-btn {
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--line);
  background: none;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.size-btn.is-selected {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.size-btn.is-disabled {
  color: var(--ink-faint);
  text-decoration: line-through;
  cursor: not-allowed;
  opacity: 0.6;
}

.size-stock-note {
  font-size: 0.75rem;
  color: var(--red);
  margin: 0.6rem 0 0;
}

/* ===== Stock Availability Indicator ===== */
.stock-indicator {
  margin-top: 0.85rem;
  margin-bottom: 0.2rem;
}

.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
  padding: 0.45rem 0.85rem;
  border-radius: 3px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
}

.stock-badge strong {
  font-weight: 600;
}

.stock-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* In Stock (> 15 units) */
.stock-badge--in {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.28);
  color: #15803d;
}
.stock-badge--in .stock-dot {
  background-color: #22c55e;
  box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
}

/* Limited Stock (6-15 units) */
.stock-badge--medium {
  background: rgba(183, 148, 97, 0.12);
  border: 1px solid rgba(183, 148, 97, 0.35);
  color: #8c6b36;
}
.stock-badge--medium .stock-dot {
  background-color: #b79461;
  box-shadow: 0 0 0 2px rgba(183, 148, 97, 0.2);
}

/* Low Stock (<= 5 units) - subtle pulse to create urgency */
.stock-badge--low {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #b91c1c;
  animation: pulseLowStock 2.2s infinite ease-in-out;
}
.stock-badge--low .stock-dot {
  background-color: #ef4444;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.25);
}

@keyframes pulseLowStock {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.88; transform: scale(0.99); }
}

/* Out of Stock (0 units) */
.stock-badge--out {
  background: rgba(107, 114, 128, 0.08);
  border: 1px solid rgba(107, 114, 128, 0.25);
  color: #4b5563;
}
.stock-badge--out .stock-dot {
  background-color: #9ca3af;
}

/* ===== Buttons ===== */

.add-to-bag-btn,
.buy-now-btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  margin-bottom: 0.85rem;
}

.add-to-bag-btn:disabled,
.buy-now-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.delivery-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin: 1.25rem 0 0;
}

/* ===== Similar Collections ===== */

.related-section {
  background: var(--cream, #F4F0E6);
  margin: 0 -2rem 4rem;
  padding: 3rem 2rem;
}

.related-header {
  max-width: var(--container);
  margin: 0 auto 2rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.related-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.6rem;
  margin: 0.3rem 0 0;
}

.view-all {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  white-space: nowrap;
}

.related-grid {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.related-card { display: block; }

.related-image {
  aspect-ratio: 1 / 1;
  background: var(--white);
  overflow: hidden;
  margin-bottom: 0.85rem;
}

.related-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.related-card:hover .related-image img { transform: scale(1.05); }

.related-brand {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.25rem;
}

.related-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 0.3rem;
}

.related-price {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 0;
}

.related-empty {
  max-width: var(--container);
  margin: 0 auto;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

/* ===== Reviews ===== */

.reviews-section { max-width: 760px; }

.reviews-summary {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.reviews-summary-text {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.reviews-empty {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.reviews-list {
  display: flex;
  flex-direction: column;
}

.review-card {
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
}

.review-card:first-child { padding-top: 0; }

.review-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.review-time {
  font-size: 0.72rem;
  color: var(--ink-faint);
}

.review-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.review-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin: 0 0 0.9rem;
}

.review-byline {
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin: 0;
}

.verified-badge {
  color: var(--gold);
  font-weight: 500;
}

/* ===== Lightbox ===== */

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28, 26, 22, 0.92);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.lightbox-overlay.is-open { display: flex; }

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

/* ===== Responsive ===== */

@media (max-width: 1000px) {
  .product-top { grid-template-columns: 1fr; }
  .product-gallery { grid-column: 1 / -1; }
  .product-info { grid-column: 1 / -1; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .related-section { margin-left: -1.25rem; margin-right: -1.25rem; padding-left: 1.25rem; padding-right: 1.25rem; }
}

@media (max-width: 560px) {
  .product-page { padding: 1.5rem 1.25rem 3.5rem; }
  .product-title { font-size: 1.8rem; }
  .product-gallery { grid-template-columns: 70px 1fr; }
  .related-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
}