/* ============================================
   TechStore - Product & Product Card Styles
   REDESIGN: Midnight Indigo Design System
   ============================================ */

/* ============================================
   PRODUCT CARD (використовується скрізь)
   ============================================ */
.product-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 0;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.product-card:hover {
  box-shadow: 0 16px 40px rgba(99, 102, 241, 0.16);
  transform: translateY(-5px);
  border-color: var(--primary-color);
}

/* ============================================
   PRODUCT BADGES
   ============================================ */
.product-badges {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 5;
}

.badge,
.product-badge {
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
  white-space: nowrap;
  width: fit-content;
  backdrop-filter: blur(4px);
}

.badge-new,
.product-badge.new {
  background: linear-gradient(135deg, #6366F1, #4F46E5);
  color: white;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.badge-sale,
.product-badge.sale {
  background: linear-gradient(135deg, #EF4444, #DC2626);
  color: white;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

.badge-hot,
.product-badge.hot {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: white;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

/* В каталозі один бейдж */
.products-grid .product-card .product-badge ~ .product-badge {
  display: none !important;
}

/* ============================================
   PRODUCT IMAGE
   ============================================ */
.product-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 1rem;
  transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.07);
}

/* ============================================
   PRODUCT ACTIONS (Quick view, Favorite)
   ============================================ */
.product-card-actions {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  opacity: 0;
  transform: translateX(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.product-card:hover .product-card-actions {
  opacity: 1;
  transform: translateX(0);
}

.product-action-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-radius: var(--radius-full);
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.12);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.product-action-btn:hover {
  background: var(--primary-color);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.product-action-btn.active {
  background: var(--danger-color);
  color: white;
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
}

/* ============================================
   PRODUCT INFO
   ============================================ */
.product-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.1rem var(--spacing-sm) 0;
}

.product-category {
  font-size: 0.67rem;
  color: var(--primary-color);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.07em;
  margin-bottom: 0.45rem;
}

.product-title {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.22rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
  min-height: 2.1em;
}

/* ============================================
   PRODUCT RATING
   ============================================ */
.product-rating {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.product-stars {
  display: flex;
  gap: 2px;
  color: var(--warning-color);
  font-size: 0.8rem;
}

.product-rating-value {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--text-primary);
}

.product-reviews {
  font-size: var(--font-size-xs);
  color: var(--text-light);
}

/* ============================================
   PRODUCT PRICE
   ============================================ */
.product-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: auto;
  margin-bottom: 0.75rem;
}

.price-current {
  font-size: clamp(1.38rem, 1.7vw, 1.66rem);
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
}

.price-old {
  font-size: var(--font-size-base);
  color: var(--text-light);
  text-decoration: line-through;
}

/* ============================================
   PRODUCT FOOTER (Buttons)
   ============================================ */
.product-footer {
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-sm);
  margin-top: 0;
  border-top: 0 solid var(--border-color);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-height 0.22s ease, opacity 0.18s ease, padding 0.22s ease, margin-top 0.22s ease, border-top-width 0.22s ease;
}

.product-card:hover .product-footer,
.product-card:focus-within .product-footer {
  padding: 0.75rem var(--spacing-sm) var(--spacing-sm);
  margin-top: auto;
  border-top-width: 1px;
  max-height: 76px;
  opacity: 1;
  pointer-events: auto;
}

.btn-add-cart {
  width: 100%;
  padding: 0.62rem 0.8rem;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  box-shadow: 0 3px 10px rgba(99, 102, 241, 0.3);
  min-height: 34px;
  white-space: nowrap;
}

.product-card-actions {
  z-index: 6;
}

.btn-add-cart:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 16px rgba(99, 102, 241, 0.45);
}

.btn-quick-view {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  border: 1.5px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.btn-quick-view:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

/* ============================================
   FEATURED & RELATED PRODUCTS
   ============================================ */
.featured-products .products-grid,
.related-products .products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

/* ============================================
   RELATED PRODUCTS
   ============================================ */
.related-products {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 2px solid var(--border-color);
}

.related-products .section-title {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

/* ============================================
   PRODUCT PAGE - ВИПРАВЛЕНО
   ============================================ */
.product-section {
  padding: var(--spacing-xl) 0;
}

/* Product Layout */
.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

/* ============================================
   PRODUCT GALLERY
   ============================================ */
.product-gallery {
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-md));
  height: fit-content;
}

.main-image {
  position: relative;
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1;
  margin-left: auto;
  margin-right: auto;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-md);
  overflow: visible;
  border: 1px solid var(--border-color);
}

.main-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--spacing-sm);
  cursor: zoom-in;
}

.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 11;
  transition: var(--transition-base);
}

.gallery-nav-prev {
  left: 0.7rem;
}

.gallery-nav-next {
  right: 0.7rem;
}

.gallery-nav-btn:hover {
  background: rgba(99, 102, 241, 0.92);
}

.image-zoom-btn {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.72);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 11;
  opacity: 0;
  transition: var(--transition-base);
}

.main-image:hover .image-zoom-btn {
  opacity: 1;
}

.main-image .favorite-btn {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: var(--transition-base);
  font-size: 1.25rem;
  color: var(--text-secondary);
  z-index: 10;
  border: none;
}

.main-image .favorite-btn:hover {
  transform: scale(1.1);
  color: var(--danger-color);
}

.main-image .favorite-btn.active {
  color: var(--danger-color);
}

.main-image .favorite-btn.active i {
  font-weight: 900;
}

/* Thumbnail Images */
.thumbnail-images {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding: var(--spacing-xs) 0;
}

.thumbnail-images::-webkit-scrollbar {
  height: 6px;
}

.thumbnail-images::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

.thumbnail-item {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition-base);
  background: var(--bg-secondary);
}

.thumbnail-item:hover {
  border-color: var(--primary-color);
}

.thumbnail-item.active {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.thumbnail-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--spacing-xs);
}

/* ============================================
   PRODUCT PAGE INFO - ВИПРАВЛЕНО
   ============================================ */
.product-header {
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

/* ВИПРАВЛЕНО: Title + SKU в одному рядку */
.product-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.product-title-row h1 {
  flex: 1;
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin: 0;
  line-height: 1.2;
}

.product-code {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 600;
  white-space: nowrap;
}

.product-code strong {
  color: var(--text-primary);
}

.product-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.rating-value {
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.reviews-count {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Price Block */
.product-price-block {
  padding: 0.9rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  margin-bottom: var(--spacing-md);
}

.price-top {
  display: grid;
  grid-template-columns: 1.25fr 0.9fr;
  gap: 0.75rem;
  align-items: start;
}

.price-main-side {
  min-width: 0;
}

.product-availability {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  background: rgba(46, 204, 113, 0.1);
  color: var(--success-color);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.75rem;
  width: fit-content;
  margin-bottom: var(--spacing-sm);
}

.product-availability.out-of-stock {
  background: rgba(231, 76, 60, 0.1);
  color: var(--danger-color);
}

.product-availability i {
  font-size: 1rem;
}

.price-main {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
  margin-bottom: 0.35rem;
}

.product-price-block .price-current {
  font-size: clamp(1.9rem, 3.2vw, 2.45rem);
  font-weight: 800;
  color: var(--primary-color);
}

.product-price-block .price-old {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  text-decoration: line-through;
}

.price-discount {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.78rem;
  margin-bottom: var(--spacing-sm);
}

.discount-badge {
  padding: 0.25rem 0.75rem;
  background: var(--danger-color);
  color: white;
  border-radius: var(--radius-full);
  font-weight: 700;
}

.discount-amount {
  color: var(--success-color);
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.price-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.7rem;
}

.price-benefits span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
}

.installment-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.6rem 0.7rem;
  background: rgba(99, 102, 241, 0.06);
}

.installment-title {
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.installment-row {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.9rem;
}

.installment-amount {
  margin-top: 0.2rem;
  color: var(--primary-color);
  font-size: 1rem;
  font-weight: 800;
}

.installment-note {
  margin-top: 0.25rem;
  color: var(--text-secondary);
  font-size: 0.68rem;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 18, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 11000;
  padding: 2rem;
}

.image-lightbox.active {
  display: flex;
}

.image-lightbox img {
  max-width: min(92vw, 1400px);
  max-height: 86vh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(15, 23, 42, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-base);
}

.lightbox-close {
  top: 1.5rem;
  right: 1.5rem;
}

.lightbox-prev {
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-nav:hover {
  background: rgba(99, 102, 241, 0.95);
}

/* Short Description */
.product-description-short {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-md);
}

.product-quick-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--spacing-lg);
}

.quick-spec-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
}

/* ВИПРАВЛЕНО: Quantity + Add to Cart */
.product-actions {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.quantity-selector {
  display: flex;
  align-items: center;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.qty-btn {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  color: var(--text-primary);
  font-size: 1.2rem;
}

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

.qty-input {
  width: 80px;
  height: 48px;
  border: none;
  text-align: center;
  font-weight: 700;
  font-size: var(--font-size-xl);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.qty-input:focus {
  outline: none;
}

.btn-add-cart,
.btn-buy-now {
  flex: 1;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: var(--font-size-base);
}

/* Product Features */
.product-features {
  margin-bottom: var(--spacing-lg);
}

.product-features h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
}

.product-features ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.product-features li {
  display: flex;
  align-items: start;
  gap: 0.75rem;
  color: var(--text-secondary);
}

.product-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

/* Product Services */
.product-services {
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.service-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.service-item i {
  color: var(--primary-color);
  font-size: var(--font-size-lg);
}

/* ============================================
   PRODUCT TABS
   ============================================ */
.product-tabs {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 2px solid var(--border-color);
}

/* Description */
.product-description {
  line-height: 1.8;
  color: var(--text-secondary);
}

.product-description h3 {
  color: var(--text-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.product-description p {
  margin-bottom: var(--spacing-md);
}

.description-lead {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  font-weight: 500;
}

.description-highlights {
  display: grid;
  gap: 0.5rem;
  margin-top: var(--spacing-sm);
}

.description-highlights li {
  color: var(--text-secondary);
  line-height: 1.6;
}

.description-highlights li::before {
  content: '• ';
  color: var(--primary-color);
  font-weight: 800;
}

/* Specifications */
.specifications-grid {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  font-size: 0.8125rem;
}

.spec-row {
  display: grid;
  grid-template-columns: 2fr 3fr;
  background: var(--bg-primary);
}

.spec-row:nth-child(even) {
  background: var(--bg-secondary);
}

.spec-row:not(:last-child) {
  border-bottom: 1px solid var(--border-color);
}

.spec-label {
  padding: 0.4rem 0.875rem;
  font-weight: 600;
  border-right: 1px solid var(--border-color);
}

.spec-value {
  padding: 0.4rem 0.875rem;
  color: var(--text-secondary);
}

/* Reviews */
.reviews-summary {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-2xl);
  padding: var(--spacing-xl);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
}

.reviews-rating {
  text-align: center;
}

.rating-big {
  font-size: 4rem;
  font-weight: 800;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.rating-stars {
  display: flex;
  justify-content: center;
  gap: 4px;
  font-size: var(--font-size-xl);
  color: var(--warning-color);
  margin-bottom: var(--spacing-sm);
}

.rating-count {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.rating-bars {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.rating-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.bar {
  height: 8px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--warning-color);
  transition: width 0.5s ease;
}

.bar-count {
  color: var(--text-secondary);
  min-width: 40px;
  text-align: right;
}

/* Reviews List */
.reviews-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.review-item {
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--spacing-sm);
}

.review-author {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.review-date {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.review-stars {
  display: flex;
  gap: 2px;
  color: var(--warning-color);
}

.review-text {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   RESPONSIVE - Product Page
   ============================================ */
@media (max-width: 1024px) {
  .product-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .product-gallery {
    position: static;
  }

  .reviews-summary {
    grid-template-columns: 1fr;
  }

  .featured-products .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .related-products .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1025px) {
  .product-layout {
    align-items: start;
  }

  .product-layout > .product-info {
    zoom: 0.75;
  }
}

@media (max-width: 768px) {
  .product-footer {
    padding: 0.75rem var(--spacing-sm) var(--spacing-sm);
    margin-top: auto;
    border-top-width: 1px;
    max-height: 76px;
    opacity: 1;
    pointer-events: auto;
  }

  .product-card-actions {
    opacity: 1;
    transform: translateX(0);
  }

  .featured-products .products-grid,
  .related-products .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
  }

  .product-title-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .product-code {
    align-self: flex-start;
  }

  .product-availability {
    position: static;
    margin-bottom: var(--spacing-md);
    align-self: flex-start;
  }

  .product-price-block .price-current {
    font-size: var(--font-size-3xl);
  }

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

  .quantity-selector {
    width: 100%;
  }

  .btn-add-cart,
  .btn-buy-now {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .featured-products .products-grid,
  .related-products .products-grid {
    grid-template-columns: 1fr;
  }

  .product-price-block .price-current {
    font-size: var(--font-size-2xl);
  }
}

/* ============================================
   DARK THEME
   ============================================ */
[data-theme="dark"] .product-card {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .product-card:hover {
  box-shadow: 0 16px 40px rgba(129, 140, 248, 0.22);
  border-color: var(--primary-color);
}

[data-theme="dark"] .product-image {
  background: rgba(15, 15, 26, 0.8);
}

[data-theme="dark"] .product-action-btn {
  background: rgba(26, 26, 46, 0.92);
  color: var(--text-secondary);
}

[data-theme="dark"] .btn-quick-view {
  background: var(--bg-primary);
}

[data-theme="dark"] .main-image,
[data-theme="dark"] .thumbnail-item,
[data-theme="dark"] .product-price-block,
[data-theme="dark"] .product-services,
[data-theme="dark"] .reviews-summary,
[data-theme="dark"] .review-item {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .product-image {
  background: rgba(15, 15, 26, 0.6);
}

[data-theme="dark"] .thumbnail-item {
  background: var(--bg-primary);
}

[data-theme="dark"] .product-action-btn {
  background: var(--bg-secondary);
}

[data-theme="dark"] .qty-btn {
  background: var(--bg-secondary);
}

[data-theme="dark"] .qty-input {
  background: var(--bg-primary);
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.favorite-btn:focus,
.qty-btn:focus,
.btn-add-cart:focus,
.btn-buy-now:focus,
.product-action-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

@media (prefers-contrast: high) {
  .main-image,
  .thumbnail-item,
  .product-price-block,
  .product-card {
    border-width: 3px;
  }
}/* ============================================
   TechStore - Product & Product Card Styles
   ВИПРАВЛЕНО: Кнопка під ціною
   ============================================ */

/* Всі стилі залишаються без змін, додаємо тільки стилі для нової кнопки */

/* ... (весь попередній CSS залишається) ... */

/* ============================================
   НОВА КНОПКА ПІД ЦІНОЮ
   ============================================ */
.btn-add-cart-main {
  flex: 1;
  margin-top: 0;
  padding: 0.72rem 1.2rem;
  font-size: var(--font-size-base);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
  letter-spacing: 0.02em;
}

.main-action-row {
  display: flex;
  align-items: stretch;
  gap: 0.6rem;
  margin-top: 0.45rem;
  margin-bottom: var(--spacing-sm);
}

.btn-compare-main {
  flex: 0 0 auto;
  min-width: 145px;
  padding: 0.72rem 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.92rem;
}

.btn-compare-main:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-add-cart-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(99, 102, 241, 0.5);
  filter: brightness(1.08);
}

.btn-add-cart-main:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-add-cart-main i {
  font-size: 1.25rem;
}

.btn-add-cart-main:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none;
}

@media (max-width: 768px) {
  .price-top {
    grid-template-columns: 1fr;
  }

  .btn-add-cart-main {
    padding: 0.875rem 1.5rem;
    font-size: var(--font-size-base);
  }

  .btn-add-cart-main i {
    font-size: 1.125rem;
  }

  .main-action-row {
    flex-direction: column;
  }

  .btn-compare-main {
    width: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  .favorite-btn,
  .qty-btn,
  .thumbnail-item,
  .product-card,
  .product-action-btn {
    transition: none;
  }
  
  .product-image img {
    transition: none;
  }
}