/* Product Detail Page Styles */

.product-detail-container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

/* NAV */
.detail-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.back-btn {
  background: none;
  border: none;
  color: #64748b;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  font-size: 0.9rem;
  text-decoration: none;
}
.back-btn:hover {
  color: var(--site-primary-color);
  text-decoration: underline;
}

.breadcrumb {
  color: #94a3b8;
  font-size: 0.85rem;
}
.breadcrumb a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}
.breadcrumb a:hover {
  color: var(--site-primary-color);
}
.breadcrumb .current {
  color: var(--site-primary-color);
  font-weight: 600;
}

/* MAIN GRID */
.detail-main {
  display: grid;
  grid-template-columns: 1fr 450px;
  gap: 2rem;
  margin-bottom: 4rem;
}

/* GALLERY */
.detail-gallery {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gallery-container {
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 2rem;
  background: white;
}

.main-image {
  width: 100%;
  aspect-ratio: 4/3;
  background: white;
  border-radius: 0;
  border: none;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  cursor: pointer;
}

.main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 0.2s ease;
}

.main-image.zoomed {
  cursor: pointer;
}

.main-image.zoomed img {
  transform: scale(2);
}

/* Fullscreen Modal */
.image-fullscreen-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.image-fullscreen-modal.active {
  display: flex;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fullscreen-image-container {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.fullscreen-image-container img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.fullscreen-close-btn {
  position: absolute;
  top: 2rem;
  right: 2rem;
  background: white;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.5rem;
  color: #1e293b;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.fullscreen-close-btn:hover {
  background: #f1f5f9;
  transform: scale(1.1);
}

.detail-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 99px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
}
.detail-badge.promo {
  background: var(--color-danger);
  color: white;
}

.thumbnails {
  display: flex;
  gap: 1rem;
}
.thumb {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  border: 2px solid #e2e8f0;
  padding: 5px;
  cursor: pointer;
  background: white;
  transition: all 0.2s;
}
.thumb:hover {
  border-color: var(--site-primary-color);
}
.thumb.active {
  border-color: var(--site-primary-color);
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* INFO */
.detail-info {
  display: flex;
  flex-direction: column;
}

/* Product Info Card with Border */
.product-info-card {
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 2rem;
  background: white;
  position: sticky;
  top: 90px;
  align-self: flex-start;
}

.product-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.product-name {
  font-size: 2rem;
  color: #1e293b;
  margin: 0 0 1rem 0;
  line-height: 1.3;
  flex: 1;
  font-weight: 700;
}

.favorite-btn {
  background: none;
  border: 1px solid #e2e8f0;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #94a3b8;
  transition: all 0.2s;
  flex-shrink: 0;
}

.favorite-btn:hover {
  border-color: #ef4444;
  color: #ef4444;
  background: #fef2f2;
}

.favorite-btn.active {
  border-color: #ef4444;
  color: #ef4444;
  background: #fef2f2;
}

.product-meta {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: #64748b;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e2e8f0;
}

.product-meta-row {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.product-meta .ref {
  font-weight: 500;
  color: #475569;
}

.product-meta .brand {
  color: #94a3b8;
}

.stock-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  padding: 0.2rem 0.8rem;
  border-radius: 99px;
  font-size: 0.8rem;
  align-self: flex-start;
}
.stock-status.in-stock {
  color: var(--color-success);
  background: #dcfce7;
}
.stock-status.out-of-stock {
  color: var(--color-danger);
  background: #fee2e2;
}
.dot {
  width: 8px;
  height: 8px;
  background: currentColor;
  border-radius: 50%;
}

/* PRICING CARD */
.detail-pricing-card {
  background: none;
  border-radius: 0;
  padding: 0;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #e2e8f0;
}

.detail-pricing-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

/* GUEST */
.guest-block {
  text-align: center;
}
.login-tease {
  margin-bottom: 1rem;
  color: #475569;
}

/* RESELLER EDIT */
.edit-mode-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 12px;
  padding: 1.5rem;
}
.kpi-row {
  display: flex;
  gap: 2rem;
}
.kpi .label {
  font-size: 0.8rem;
  color: #64748b;
  display: block;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}
.kpi .value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--site-primary-color);
}

.price-editor label {
  display: block;
  font-weight: 600;
  color: var(--site-primary-color);
  margin-bottom: 0.5rem;
}
.input-group {
  display: flex;
  align-items: center;
  background: white;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0.5rem 1rem;
}
.input-group input {
  border: none;
  width: 100%;
  font-size: 1.2rem;
  font-weight: 700;
  color: #1e293b;
  outline: none;
  background-color: white;
}
.currency {
  font-weight: 600;
  color: #94a3b8;
}

.margin-bar {
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  overflow: hidden;
}
.margin-bar .fill {
  height: 100%;
  transition: width 0.3s;
}

/* CLIENT / BUY MODE */
.client-mode-panel,
.buy-mode-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.price-display {
  margin-bottom: 0.5rem;
}

.price-display .main-price {
  font-size: 2.25rem;
  font-weight: 800;
  color: #1e293b;
  letter-spacing: -0.5px;
}

.price-display .tax {
  font-size: 0.9rem;
  color: #64748b;
  font-weight: 500;
  margin-left: 0.25rem;
}

.actions-row {
  display: flex;
  gap: 0.75rem;
  align-items: stretch;
}

.qty-selector {
  display: flex;
  align-items: center;
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  overflow: hidden;
}

.qty-selector .qty-btn {
  width: 42px;
  height: 42px;
  background: none;
  border: none;
  font-weight: 600;
  cursor: pointer;
  font-size: 1.25rem;
  color: #475569;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qty-selector .qty-btn:hover {
  background: var(--site-primary-color);
  color: white;
}

.qty-selector .qty-btn:active {
  transform: scale(0.95);
}

.qty-selector .qty-input {
  width: 48px;
  text-align: center;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-left: 2px solid #e2e8f0;
  border-right: 2px solid #e2e8f0;
  outline: none;
  height: 42px;
  color: #1e293b;
  -moz-appearance: textfield;
}

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

.btn-primary {
  background: var(--site-primary-color);
  color: white;
  border: none;
  padding: 0 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.95rem;
  flex: 1;
  cursor: pointer;
  transition: all 0.2s;
  height: 46px;
  min-width: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.35);
}

.btn-primary svg {
  flex-shrink: 0;
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary.success {
  background: var(--color-success);
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.25);
}

.product-description-short {
  color: #475569;
  line-height: 1.6;
  margin-top: 1.5rem;
  padding-top: 0;
}

.product-description-short .description-text {
  max-height: 4.8em; /* 3 lines at line-height 1.6 */
  overflow: hidden;
  position: relative;
  transition: max-height 0.3s ease;
}

.product-description-short .description-text.expanded {
  max-height: none;
}

.product-description-short .description-text::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 1.6em;
  background: linear-gradient(to bottom, transparent, white);
  pointer-events: none;
}

.product-description-short .description-text.expanded::after {
  display: none;
}

.read-more-btn {
  background: none;
  border: none;
  color: var(--site-primary-color);
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 0 0 0;
  font-size: 0.9rem;
  text-decoration: underline;
}

.read-more-btn:hover {
  color: var(--color-primary-light);
}

.product-description-short ul {
  padding-left: 1.2rem;
  margin: 0;
}

/* TABS */
.detail-tabs-section {
  margin-top: 1.5rem;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 2rem;
  background: white;
}
.tabs-header {
  display: flex;
  gap: 2rem;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 2rem;
}
.tab-btn {
  background: none;
  border: none;
  padding: 1rem 0;
  font-size: 1rem;
  color: #64748b;
  cursor: pointer;
  position: relative;
  font-weight: 500;
}
.tab-btn.active {
  color: var(--site-primary-color);
  font-weight: 700;
}
.tab-btn.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--site-accent-color);
}

.tab-content {
  color: #334155;
  line-height: 1.6;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  max-width: 600px;
}
.specs-table td {
  padding: 0.8rem 0;
  border-bottom: 1px solid #f1f5f9;
}
.specs-table td:first-child {
  font-weight: 600;
  color: #64748b;
  width: 40%;
}

.docs-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.doc-link {
  text-decoration: none;
  color: var(--site-accent-color);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.doc-link:hover {
  text-decoration: underline;
}

/* RELATED PRODUCTS */
.related-section {
  margin-top: 4rem;
}
.related-section .section-title {
  font-size: 1.8rem;
  color: var(--site-primary-color);
  margin-bottom: 2rem;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .detail-main {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .product-info-card {
    position: static;
  }

  .detail-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .product-name {
    font-size: 1.8rem;
  }

  .price-display .main-price {
    font-size: 2rem;
  }

  .favorite-btn {
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 640px) {
  .product-detail-container {
    padding: 0 1rem;
  }

  .product-info-card {
    padding: 1.5rem;
  }

  .product-header-row {
    flex-wrap: wrap;
  }

  .product-name {
    font-size: 1.5rem;
  }

  .product-meta {
    gap: 0.75rem;
  }

  .tabs-header {
    gap: 1rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
  }

  .tab-btn {
    font-size: 0.9rem;
    white-space: nowrap;
  }

  .actions-row {
    flex-direction: column;
  }

  .qty-selector {
    width: 100%;
    justify-content: center;
  }

  .btn-primary {
    min-width: unset;
    width: 100%;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .thumbnails {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.5rem;
  }

  .thumb {
    flex-shrink: 0;
  }
}

@media (max-width: 400px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
}