/* ==========================================================================
   Product Detail Page Components
   Breadcrumbs, gallery, info, reviews — loaded only on product detail page
   ========================================================================== */

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */
.sf-breadcrumb-nav {
  margin-bottom: var(--sf-space-4);
}

.sf-breadcrumb {
  background: none;
  padding: 0;
  margin-bottom: 0;
  font-size: 0.85rem;
}

.sf-breadcrumb .breadcrumb-item a {
  color: var(--sf-text-secondary);
  text-decoration: none;
  transition: color var(--sf-transition-fast);
}

.sf-breadcrumb .breadcrumb-item a:hover {
  color: var(--sf-primary);
}

.sf-breadcrumb .breadcrumb-item.active {
  color: var(--sf-text-primary);
  font-weight: 500;
}

.sf-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  color: var(--sf-text-secondary);
  content: "\f054";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.55rem;
  vertical-align: middle;
}

/* --------------------------------------------------------------------------
   Product Detail Page
   -------------------------------------------------------------------------- */

/* Gallery */
.sf-pd-gallery {
  position: sticky;
  top: 5rem;
}

.sf-pd-main-image {
  border-radius: var(--sf-radius-lg);
  overflow: hidden;
  background: var(--sf-bg-card);
  border: 1px solid var(--sf-border);
  aspect-ratio: 1;
}

.sf-pd-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.sf-pd-main-image:hover .sf-pd-img {
  transform: scale(1.03);
}

.sf-pd-thumbnails {
  display: flex;
  gap: var(--sf-space-2);
  margin-top: var(--sf-space-3);
  overflow-x: auto;
  padding-bottom: var(--sf-space-1);
}

.sf-pd-thumb {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: var(--sf-radius-md);
  overflow: hidden;
  border: 2px solid var(--sf-border);
  background: var(--sf-bg-card);
  cursor: pointer;
  padding: 0;
  transition: border-color var(--sf-transition-fast), opacity var(--sf-transition-fast);
  opacity: 0.6;
}

.sf-pd-thumb:hover {
  opacity: 0.85;
}

.sf-pd-thumb.active {
  border-color: var(--sf-primary);
  opacity: 1;
}

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

/* Product Info */
.sf-pd-info {
  display: flex;
  flex-direction: column;
  gap: var(--sf-space-4);
}

.sf-pd-category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sf-primary);
  text-decoration: none;
  transition: color var(--sf-transition-fast);
}

.sf-pd-category:hover {
  color: var(--sf-primary-dark);
}

.sf-pd-title {
  font-family: var(--sf-font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--sf-text-primary);
  line-height: 1.2;
  margin: 0;
}

/* Rating */
.sf-pd-rating {
  display: flex;
  align-items: center;
  gap: var(--sf-space-2);
}

.sf-pd-stars {
  display: flex;
  gap: 2px;
  color: var(--sf-accent);
  font-size: 0.9rem;
}

.sf-pd-review-count {
  font-size: 0.85rem;
  color: var(--sf-text-secondary);
}

/* Price */
.sf-pd-price {
  font-family: var(--sf-font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--sf-text-primary);
}

/* Stock */
.sf-pd-stock {
  display: inline-flex;
  align-items: center;
  gap: var(--sf-space-2);
  font-size: 0.85rem;
  font-weight: 500;
}

.sf-pd-stock-in {
  color: var(--sf-secondary);
}

.sf-pd-stock-low {
  color: var(--sf-accent);
}

.sf-pd-stock-out {
  color: var(--sf-danger);
}

/* Quantity Selector */
.sf-pd-cart-form {
  display: flex;
  flex-direction: column;
  gap: var(--sf-space-3);
}

.sf-pd-qty-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sf-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--sf-space-1);
}

.sf-pd-qty-controls {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-md);
  overflow: hidden;
  background: var(--sf-bg-card);
}

.sf-pd-qty-btn {
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: none;
  color: var(--sf-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: background var(--sf-transition-fast), color var(--sf-transition-fast);
}

.sf-pd-qty-btn:hover {
  background: var(--sf-bg);
  color: var(--sf-text-primary);
}

.sf-pd-qty-input {
  width: 3rem;
  height: 2.5rem;
  text-align: center;
  border: none;
  border-left: 1px solid var(--sf-border);
  border-right: 1px solid var(--sf-border);
  background: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sf-text-primary);
  -moz-appearance: textfield;
}

.sf-pd-qty-input::-webkit-outer-spin-button,
.sf-pd-qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Add to Cart Button */
.sf-pd-add-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0.85rem 1.5rem;
  border: none;
  border-radius: var(--sf-radius-md);
  background: linear-gradient(135deg, var(--sf-primary), var(--sf-primary-dark));
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--sf-transition-fast), box-shadow var(--sf-transition-fast);
}

.sf-pd-add-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.sf-pd-add-btn:active {
  transform: translateY(0);
}

.sf-pd-add-btn-disabled {
  background: var(--sf-border);
  color: var(--sf-text-secondary);
  cursor: not-allowed;
}

.sf-pd-add-btn-disabled:hover {
  transform: none;
  box-shadow: none;
}

/* Trust Signals (inline) */
.sf-pd-trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sf-space-4);
  padding-top: var(--sf-space-4);
  border-top: 1px solid var(--sf-border);
}

.sf-pd-trust-item {
  display: flex;
  align-items: center;
  gap: var(--sf-space-2);
  font-size: 0.8rem;
  color: var(--sf-text-secondary);
}

.sf-pd-trust-item i {
  color: var(--sf-secondary);
  font-size: 0.85rem;
}

/* Tabs */
.sf-pd-tab-nav {
  border-bottom: 2px solid var(--sf-border);
  gap: 0;
}

.sf-pd-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  padding: var(--sf-space-3) var(--sf-space-6);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--sf-text-secondary);
  cursor: pointer;
  transition: color var(--sf-transition-fast), border-color var(--sf-transition-fast);
}

.sf-pd-tab:hover {
  color: var(--sf-text-primary);
}

.sf-pd-tab.active {
  color: var(--sf-primary);
  border-bottom-color: var(--sf-primary);
}

.sf-pd-tab-content {
  padding: var(--sf-space-6) 0;
}

.sf-pd-description {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--sf-text-secondary);
  max-width: 72ch;
}

/* Reviews placeholder */
.sf-pd-reviews-placeholder {
  text-align: center;
  padding: var(--sf-space-12) var(--sf-space-4);
  color: var(--sf-text-secondary);
}

.sf-pd-reviews-placeholder i {
  font-size: 2.5rem;
  color: var(--sf-border);
  margin-bottom: var(--sf-space-4);
  display: block;
}

.sf-pd-reviews-placeholder p {
  font-size: 0.95rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Reviews Section
   -------------------------------------------------------------------------- */

/* Review summary */
.sf-review-summary {
  display: flex;
  align-items: center;
  gap: var(--sf-space-4);
  padding: var(--sf-space-4);
  background: var(--sf-bg);
  border-radius: var(--sf-radius-lg);
}

.sf-review-avg {
  display: flex;
  align-items: center;
  gap: var(--sf-space-3);
}

.sf-review-avg-number {
  font-family: var(--sf-font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--sf-text-primary);
  line-height: 1;
}

.sf-review-total {
  display: block;
  font-size: 0.8rem;
  color: var(--sf-text-secondary);
  margin-top: var(--sf-space-1);
}

/* Review form */
.sf-review-form-section {
  padding: var(--sf-space-6);
  background: var(--sf-bg-card);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-lg);
}

.sf-review-form-title {
  font-family: var(--sf-font-display);
  font-weight: 700;
  color: var(--sf-text-primary);
  margin-bottom: var(--sf-space-4);
}

/* Star rating input (interactive) */
.sf-star-rating-input {
  display: inline-flex;
  flex-direction: row-reverse;
  gap: var(--sf-space-1);
}

.sf-star-radio-input {
  display: none;
}

.sf-star-radio-label {
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--sf-border);
  transition: color var(--sf-transition-fast), transform var(--sf-transition-fast);
}

.sf-star-radio-label:hover,
.sf-star-radio-label:hover ~ .sf-star-radio-label,
.sf-star-radio-input:checked ~ .sf-star-radio-label {
  color: var(--sf-accent);
}

.sf-star-radio-label:hover {
  transform: scale(1.15);
}

.sf-review-notice {
  font-size: 0.9rem;
}

.sf-review-notice a {
  color: var(--sf-primary);
  font-weight: 600;
  text-decoration: none;
}

.sf-review-notice a:hover {
  text-decoration: underline;
}

/* Review cards */
.sf-reviews-list {
  display: flex;
  flex-direction: column;
  gap: var(--sf-space-4);
}

.sf-review-card {
  padding: var(--sf-space-5);
  background: var(--sf-bg-card);
  border: 1px solid var(--sf-border);
  border-radius: var(--sf-radius-lg);
  transition: box-shadow var(--sf-transition-base);
}

.sf-review-card:hover {
  box-shadow: var(--sf-shadow-sm);
}

.sf-review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sf-space-3);
  margin-bottom: var(--sf-space-3);
}

.sf-review-author {
  display: flex;
  align-items: center;
  gap: var(--sf-space-3);
}

.sf-review-avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sf-primary), var(--sf-primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.sf-review-username {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sf-text-primary);
}

.sf-review-date {
  display: block;
  font-size: 0.75rem;
  color: var(--sf-text-secondary);
}

.sf-review-stars {
  flex-shrink: 0;
}

.sf-review-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sf-text-primary);
  margin-bottom: var(--sf-space-2);
}

.sf-review-comment {
  font-size: 0.9rem;
  color: var(--sf-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* --------------------------------------------------------------------------
   Product Detail — Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 991px) {
  .sf-pd-gallery {
    position: static;
  }

  .sf-pd-title {
    font-size: 1.5rem;
  }

  .sf-pd-price {
    font-size: 1.5rem;
  }
}

@media (max-width: 575px) {
  .sf-pd-thumb {
    width: 56px;
    height: 56px;
  }

  .sf-pd-tab {
    padding: var(--sf-space-2) var(--sf-space-4);
    font-size: 0.85rem;
  }
}