/* Product Details page-specific styles */

.product-details-main {
  margin-top: 32px;
  margin-bottom: 48px;
}
.breadcrumbs {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  margin-bottom: var(--space-4);
}
.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.breadcrumbs li:after {
  content: '\203A';
  color: var(--color-primary);
  display: inline-block;
  margin: 0 8px;
}
.breadcrumbs li:last-child:after {
  display: none;
}
.breadcrumbs [aria-current="page"] {
  color: var(--color-gray-900);
  font-weight: bold;
}

.pd-content-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-8);
}

.pd-top-section {
  align-items: flex-start;
  gap: var(--space-12);
}

.pd-gallery {
  flex: 1 1 360px;
  max-width: 420px;
  min-width: 280px;
  align-self: flex-start;
}
.pd-gallery-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: #fff;
  margin-bottom: var(--space-4);
}
.pd-gallery-main img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 1/1;
  object-fit: cover;
  background: #eee;
  min-height: 310px;
}
.pd-gallery-thumbs {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-start;
}
.pd-thumb-btn {
  background: none;
  border: none;
  border-radius: var(--radius-md);
  padding: 0;
  transition: box-shadow .2s;
  box-shadow: var(--shadow-sm);
  outline: none;
}
.pd-thumb-btn img {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  object-fit: cover;
  background: #f3f4f7;
}
.pd-thumb-btn.active, .pd-thumb-btn:focus-visible {
  box-shadow: 0 0 0 2px var(--color-primary);
}

.pd-main-info {
  flex: 2 1 370px;
  min-width: 0;
  max-width: 660px;
}

.pd-availability {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  color: var(--color-success);
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
}
.dot {
  display: inline-block;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--color-success);
  margin-right: 6px;
}
.dot-success { background: var(--color-success); }

.pd-price-box {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 1.22rem;
}
.pd-current-price {
  font-weight: 700;
  color: var(--color-primary);
}
.pd-old-price {
  font-size: var(--font-size-base);
  color: var(--color-gray-500);
  text-decoration: line-through;
}
.pd-discount {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  font-weight: 600;
}
.pd-purchase-actions {
  margin-top: 8px;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.pd-qty-form {
  max-width: 72px;
}
.pd-qty-form input[type="number"] {
  height: 40px;
  text-align: center;
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-300);
}
.pd-add-to-cart {
  min-width: 132px;
}
.pd-buy-now {
  min-width: 96px;
}
.pd-key-features {
  margin-top: var(--space-3);
  margin-bottom: 0;
  padding-left: 20px;
  list-style: disc;
  color: var(--color-gray-900);
  font-size: var(--font-size-sm);
}

.pd-details-section {
  align-items: flex-start;
  gap: var(--space-8);
}
.pd-details-col {
  flex: 1 1 280px;
  min-width: 240px;
  max-width: 48%;
}
.pd-details-col h2 {
  margin-bottom: var(--space-2);
}
.pd-spec-list dt {
  font-weight: 600;
  margin-top: var(--space-2);
  color: var(--color-gray-700);
  font-size: var(--font-size-sm);
}
.pd-spec-list dd {
  margin-bottom: var(--space-2);
  margin-left: 0;
  color: var(--color-gray-900);
  font-size: var(--font-size-sm);
}

/* Extras: Reviews, FAQ */
.pd-extras-section {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.pd-extra-block {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
}
.pd-reviews {
  max-width: 440px;
}
.pd-review {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-gray-100);
  margin-bottom: var(--space-3);
}
.pd-review:last-child {
  border: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.pd-review-text {
  font-style: italic;
  color: var(--color-gray-700);
}
.pd-review-meta {
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-primary-hover);
}
.pd-faq-item {
  margin-bottom: var(--space-4);
}
.pd-faq-item summary {
  cursor: pointer;
  font-weight: bold;
  color: var(--color-primary);
  outline: none;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-base);
  transition: color 0.2s;
}
.pd-faq-item[open] summary {
  color: var(--color-primary-hover);
}
.pd-faq-item div {
  padding-top: 8px;
  color: var(--color-gray-900);
}

.pd-warranty-related {
  align-items: stretch;
  gap: var(--space-8);
}
.pd-warranty {
  flex: 2 1 340px;
  min-width: 260px;
}
.pd-warranty-list {
  margin-top: var(--space-3);
  color: var(--color-gray-900);
  font-size: var(--font-size-sm);
  list-style: disc;
  padding-left: 18px;
}
.pd-related {
  flex: 1 1 200px;
  min-width: 180px;
  max-width: 320px;
}
.pd-related-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.pd-related-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: background 0.15s;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-base);
}
.pd-related-link img {
  width: 44px; height: 44px;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: #f3f4f7;
}
.pd-related-link:hover, .pd-related-link:focus-visible {
  background: var(--color-primary-hover);
  color: #fff;
}

/* Accessibility tweaks */
.pd-thumb-btn:focus-visible {
  outline: 2px solid var(--color-primary);
}

/* Responsive */
@media (max-width: 1100px) {
  .pd-content-wrapper {
    padding: var(--space-6);
  }
}
@media (max-width: 900px) {
  .pd-top-section, .pd-details-section, .pd-warranty-related {
    flex-direction: column;
    gap: var(--space-6);
  }
  .pd-details-col {
    max-width: 100%;
  }
}
@media (max-width: 800px) {
  .pd-extras-section {
    grid-template-columns: 1fr !important;
  }
}
@media (max-width: 700px) {
  .product-details-main {
    margin-top: 10px;
    margin-bottom: 32px;
  }
  .pd-content-wrapper {
    padding: var(--space-3);
    box-shadow: var(--shadow-sm);
  }
  .pd-gallery-main img {
    min-height: 170px;
    aspect-ratio: 1 / 1.1;
  }
  .pd-extra-block {
    padding: var(--space-4);
  }
}
@media (max-width: 500px) {
  .pd-extras-section, .pd-extras-responsive {
    grid-template-columns: 1fr !important;
    gap: var(--space-3);
  }
}