/* ============================================================
   PRODUCT.CSS — Product Detail Page
   ============================================================ */

/* --- Product detail layout -------------------------------- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  padding: 48px 0;
  align-items: start;
}

/* --- Gallery -------------------------------------------- */
.product-gallery {
  position: sticky;
  top: 80px;
}

.product-gallery-main {
  width: 100%;
  aspect-ratio: 1;
  background-color: var(--off-white);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
  cursor: zoom-in;
}

.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-gallery-main:hover img {
  transform: scale(1.05);
}

.product-gallery-thumbs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.product-gallery-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color var(--transition);
  flex-shrink: 0;
  background-color: var(--off-white);
}

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

.product-gallery-thumb.active {
  border-color: var(--gold);
}

.product-gallery-thumb:hover {
  border-color: var(--navy);
}

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

.product-info .subtitle {
  margin-bottom: 8px;
}

.product-info h2 {
  margin-bottom: 16px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.product-info .product-price-block {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}

.product-info .product-main-price {
  font-size: 1.6rem;
  color: var(--gold);
  font-weight: 700;
}

.product-info .product-description {
  color: var(--text);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 24px;
}

/* --- Contents list ---------------------------------------- */
.product-contents {
  margin-bottom: 24px;
  padding: 16px 20px;
  background: var(--off-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.product-contents h4 {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 10px;
}

.product-contents ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.product-contents ul li {
  font-size: 13px;
  color: var(--text);
  padding-left: 14px;
  position: relative;
}

.product-contents ul li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* --- Quantity selector ------------------------------------ */
.qty-selector {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: fit-content;
  overflow: hidden;
}

.qty-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--navy);
  background: var(--white);
  border: none;
  cursor: pointer;
  transition: background var(--transition);
  line-height: 1;
}

.qty-btn:hover {
  background: var(--off-white);
}

.qty-display {
  width: 48px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  background: var(--white);
  user-select: none;
}

.product-add-to-cart {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.product-add-to-cart .btn {
  flex: 1;
  min-width: 160px;
}

/* --- Product meta ----------------------------------------- */
.product-meta {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-meta-row {
  display: flex;
  gap: 8px;
  font-size: 13px;
}

.product-meta-label {
  color: var(--muted);
  min-width: 80px;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  padding-top: 2px;
}

.product-meta-value {
  color: var(--text);
}

/* --- Related products ------------------------------------- */
.related-products {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}

.related-products .subtitle {
  margin-bottom: 8px;
}

.related-products h3 {
  margin-bottom: 32px;
}

/* --- Breadcrumb ------------------------------------------ */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  font-size: 12px;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--muted);
  transition: color var(--transition);
}

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

.breadcrumb-sep {
  color: var(--border);
}

.breadcrumb-current {
  color: var(--navy);
  font-weight: 500;
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 768px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 32px 0;
  }

  .product-gallery {
    position: static;
  }

  .product-gallery-thumb {
    width: 60px;
    height: 60px;
  }

  .product-add-to-cart .btn {
    min-width: unset;
  }
}

@media (max-width: 480px) {
  .product-gallery-thumb {
    width: 48px;
    height: 48px;
  }
}

/* --- Urgency signals --------------------------------------- */
.product-urgency {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0 20px;
  padding: 14px 16px;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.urgency-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #B7791F;
}

.urgency-stock {
  color: #C0392B;
}

.urgency-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #C0392B;
  animation: urgencyPulse 1.5s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes urgencyPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.urgency-viewers {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text);
  transition: color 0.3s ease;
}

.urgency-viewers #viewers-count {
  font-weight: 700;
  color: var(--navy);
  min-width: 16px;
  display: inline-block;
}

.urgency-eye {
  font-size: 15px;
}

.urgency-pulse {
  color: var(--gold) !important;
}
.urgency-pulse #viewers-count {
  color: var(--gold) !important;
}

.urgency-reserve {
  font-size: 12px;
  color: var(--muted);
  font-style: italic;
  padding-top: 4px;
  border-top: 1px solid var(--border);
}