.shop-page {
  padding-top: 80px;
}

.shop-hero {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg-tertiary) 100%);
  padding: var(--space-16) 0;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.shop-hero-title {
  font-family: var(--font-display);
  font-size: var(--font-size-5xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}

.shop-hero-desc {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.shop-content {
  padding: var(--space-12) 0 var(--space-20);
}

.shop-layout {
  display: flex;
  gap: var(--space-8);
}

.shop-sidebar {
  width: 220px;
  flex-shrink: 0;
}

.category-nav {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: sticky;
  top: 100px;
}

.category-title {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.category-item {
  width: 100%;
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.category-item:hover {
  background: var(--color-bg-hover);
  color: var(--color-text-primary);
}

.category-item.active {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-medium);
}

.category-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--color-text-inverse);
  border-radius: var(--radius-full);
}

.shop-main {
  flex: 1;
  min-width: 0;
}

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding: var(--space-4) var(--space-6);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.shop-results {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.shop-results span {
  color: var(--color-accent);
  font-weight: var(--font-weight-bold);
}

.shop-sort {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.shop-sort label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.shop-sort .form-select {
  min-width: 140px;
  padding: var(--space-2) var(--space-8) var(--space-2) var(--space-3);
  font-size: var(--font-size-sm);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.product-grid .product-card {
  animation: fadeInUp 0.5s ease both;
}

.product-grid .product-card:nth-child(1) { animation-delay: 0.05s; }
.product-grid .product-card:nth-child(2) { animation-delay: 0.1s; }
.product-grid .product-card:nth-child(3) { animation-delay: 0.15s; }
.product-grid .product-card:nth-child(4) { animation-delay: 0.2s; }
.product-grid .product-card:nth-child(5) { animation-delay: 0.25s; }
.product-grid .product-card:nth-child(6) { animation-delay: 0.3s; }
.product-grid .product-card:nth-child(7) { animation-delay: 0.35s; }
.product-grid .product-card:nth-child(8) { animation-delay: 0.4s; }

.product-grid .product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.product-grid .product-rating {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.product-grid .product-rating span {
  color: var(--color-warning);
}

.product-grid .btn-add-cart {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-xs);
}

.shop-empty {
  text-align: center;
  padding: var(--space-20) var(--space-8);
}

.shop-empty .empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.shop-empty h3 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.shop-empty p {
  color: var(--color-text-muted);
  font-size: var(--font-size-base);
}

.product-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  will-change: opacity;
}

.product-modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-xl);
  transform: scale(0.95);
  transition: transform var(--transition-base);
  will-change: transform;
}

.product-modal.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal-close:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.modal-body {
  display: flex;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-gallery {
  width: 50%;
  padding: var(--space-6);
  background: var(--color-bg-primary);
}

.gallery-main {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-secondary);
  margin-bottom: var(--space-4);
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-thumbs {
  display: flex;
  gap: var(--space-3);
}

.gallery-thumbs img {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  object-fit: cover;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  opacity: 0.6;
}

.gallery-thumbs img:hover,
.gallery-thumbs img.active {
  border-color: var(--color-accent);
  opacity: 1;
}

.modal-info {
  width: 50%;
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
}

.modal-product-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-2xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: var(--line-height-tight);
}

.modal-product-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.modal-brand {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-tertiary);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-sm);
}

.modal-rating {
  font-size: var(--font-size-sm);
  color: var(--color-warning);
}

.modal-sales {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.modal-price {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-price-current {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  color: var(--color-accent);
}

.modal-price-original {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.modal-specs {
  margin-bottom: var(--space-5);
}

.modal-specs h4,
.modal-quantity h4 {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.spec-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.spec-option {
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.spec-option:hover {
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.spec-option.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.modal-quantity {
  margin-bottom: var(--space-5);
}

.quantity-control {
  display: inline-flex;
  align-items: center;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.quantity-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

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

.quantity-btn:active {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.quantity-control input {
  width: 60px;
  height: 40px;
  text-align: center;
  background: transparent;
  border: none;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  -moz-appearance: textfield;
}

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

.modal-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-6);
  flex: 1;
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
}

.modal-actions .btn {
  flex: 1;
  padding: var(--space-4) var(--space-6);
}

.cart-sidebar {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  will-change: opacity;
}

.cart-sidebar.active {
  opacity: 1;
  visibility: visible;
}

.cart-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.cart-panel {
  position: relative;
  width: 420px;
  max-width: 90vw;
  height: 100%;
  background: var(--color-bg-secondary);
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  will-change: transform;
}

.cart-sidebar.active .cart-panel {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cart-header h3 {
  font-family: var(--font-heading);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
}

.cart-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cart-close:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4) var(--space-6);
}

.cart-empty {
  text-align: center;
  padding: var(--space-16) var(--space-4);
}

.cart-empty .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.cart-empty p {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.cart-empty span {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.cart-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cart-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
}

.cart-item:hover {
  border-color: rgba(255, 69, 0, 0.2);
}

.cart-item-image {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-bg-secondary);
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.cart-item-name {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-price {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  color: var(--color-accent);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.cart-item .quantity-control {
  transform: scale(0.85);
  transform-origin: left center;
}

.cart-item-remove {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cart-item-remove:hover {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: var(--color-text-primary);
}

.cart-footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--color-bg-card);
}

.cart-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.cart-total span:first-child {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.cart-total-price {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  color: var(--color-accent);
}

.btn-checkout {
  width: 100%;
  padding: var(--space-4);
  font-size: var(--font-size-base);
}

.cart-fab {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  z-index: var(--z-fixed);
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-danger);
  color: var(--color-text-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  padding: 0 var(--space-1);
  border: 2px solid var(--color-bg-primary);
}

.cart-badge:empty,
.cart-badge[data-count="0"],
#cartBadge[data-count="0"] {
  display: none;
}

.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: calc(var(--space-6) + 72px);
  width: 48px;
  height: 48px;
  z-index: var(--z-fixed);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modal-body {
    flex-direction: column;
  }

  .modal-gallery,
  .modal-info {
    width: 100%;
  }

  .modal-gallery {
    max-height: 300px;
  }

  .gallery-main {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 768px) {
  .shop-layout {
    flex-direction: column;
  }

  .shop-sidebar {
    width: 100%;
  }

  .category-nav {
    position: static;
    padding: var(--space-4);
  }

  .category-list {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: var(--space-2);
    padding-bottom: var(--space-2);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .category-list::-webkit-scrollbar {
    display: none;
  }

  .category-item {
    white-space: nowrap;
    padding: var(--space-2) var(--space-4);
    flex-shrink: 0;
  }

  .category-item.active::before {
    display: none;
  }

  .shop-toolbar {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .cart-panel {
    width: 100%;
    max-width: 100%;
  }

  .modal-content {
    max-height: 95vh;
    margin: var(--space-2);
  }

  .modal-info {
    padding: var(--space-5);
  }

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

  .back-to-top {
    right: var(--space-6);
    bottom: calc(var(--space-6) + 72px);
  }

  .cart-fab {
    bottom: calc(64px + var(--space-4));
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .shop-hero {
    padding: var(--space-10) 0;
  }

  .shop-hero-title {
    font-size: var(--font-size-4xl);
  }

  .shop-hero-desc {
    font-size: var(--font-size-base);
  }

  .modal-gallery {
    padding: var(--space-4);
  }

  .modal-info {
    padding: var(--space-4);
  }

  .cart-item {
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .cart-item-image {
    width: 64px;
    height: 64px;
  }
}