/* ================================================
   COMPONENTS
   Product Cards, Filters, Modals, Toast, etc.
   Clean version without duplicates
   ================================================ */

/* === PRODUCT SECTION === */
.products {
  padding: var(--space-3xl) 0;
  background-color: var(--color-background);
}

.products__container {
  max-width: var(--container-2xl);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.products__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.products__title {
  font-size: var(--font-size-2xl);
  margin: 0;
}

.products__filters {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* === FILTER BUTTONS === */
.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  background-color: transparent;
  color: var(--color-text-secondary);
  border: var(--border-width-thin) solid var(--color-border);
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.filter-btn.active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* === PRODUCT GRID === */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

/* === PRODUCT CARD === */
.product-card {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  border: 2px solid transparent;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(30px);
  transition: 
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base),
    opacity var(--transition-medium);
}

.product-card--visible {
  opacity: 1;
  transform: translateY(0);
}

.product-card:hover {
  transform: translateY(-12px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--color-secondary);
}

/* Product Card Image */
.product-card__image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 100%;
  overflow: hidden;
  background-color: var(--color-surface);
}

.product-card__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), opacity var(--transition-base);
}

.product-card__image.lazy-image {
  opacity: 0;
}

.product-card__image.loaded {
  opacity: 1;
}

.product-card:hover .product-card__image {
  transform: scale(1.08);
}

/* Product Card Badges */
.product-card__badges {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  z-index: 2;
}

.product-card__badge {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wide);
  text-transform: uppercase;
  background-color: var(--color-background);
  color: var(--color-text-primary);
  border-radius: var(--border-radius-full);
  box-shadow: var(--shadow-md);
}

/* Badge modifier classes - both naming conventions for JS compatibility */
.product-card__badge--excellent,
.product-card__badge.excellent {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.product-card__badge--new,
.product-card__badge.new {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
}

.product-card__badge--very-good,
.product-card__badge.good {
  background-color: #3b82f6;
  color: var(--color-text-inverse);
}

.product-card__badge--good,
.product-card__badge.fair {
  background-color: #8b5cf6;
  color: var(--color-text-inverse);
}

/* Product Card Actions */
.product-card__actions {
  position: absolute;
  top: var(--space-sm);
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--space-sm);
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-base);
  z-index: 3;
}

.product-card:hover .product-card__actions {
  opacity: 1;
  transform: translateY(0);
}

.product-card__action {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-background);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.product-card__action:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.product-card__favorite.active {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

.product-card__favorite.active svg {
  fill: currentColor;
}

.product-card__quick-view {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.product-card__quick-view:hover {
  background-color: var(--color-primary-light);
}

/* Product Card Content */
.product-card__content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__category {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-xs);
}

.product-card__brand {
  font-family: var(--font-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
  line-height: var(--line-height-tight);
}

.product-card__model {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-normal);
}

.product-card__details {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.product-card__detail {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

.product-card__footer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-lg);
  border-top: var(--border-width-thin) solid var(--color-border-light);
}

.product-card__price {
  font-family: var(--font-primary);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* === ICONS === */
.icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.icon--sm {
  width: 16px;
  height: 16px;
}

.icon--lg {
  width: 24px;
  height: 24px;
}

/* === MODAL === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: var(--space-lg);
}

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

.modal__content {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  max-width: 1400px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalSlideUp 0.3s ease-out;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@keyframes modalSlideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  color: var(--color-text-inverse);
}

.modal__close:hover {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  transform: rotate(90deg) scale(1.1);
}

.modal__body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  padding: var(--space-3xl);
}

/* Modal Gallery */
.modal__gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.modal__main-image-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal__main-image-container {
  position: relative;
  width: 100%;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-background-alt) 100%);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  cursor: zoom-in;
  transition: all var(--transition-base);
}

.modal__main-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transition: all var(--transition-smooth);
}

.modal__main-image-container.zoomed {
  cursor: zoom-out;
  height: 700px;
}

.modal__main-image-container.zoomed .modal__main-image {
  transform: scale(1.5);
}

.modal__zoom-hint {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-md);
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: var(--font-size-xs);
  border-radius: var(--border-radius-full);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.modal__main-image-container:hover .modal__zoom-hint {
  opacity: 1;
}

.modal__main-image-container.zoomed .modal__zoom-hint {
  opacity: 0;
}

/* Gallery Navigation */
.modal__gallery-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  z-index: 5;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  color: var(--color-text-inverse);
}

.modal__gallery-nav:hover {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  transform: translateY(-50%) scale(1.1);
}

.modal__gallery-nav--prev {
  left: -24px;
}

.modal__gallery-nav--next {
  right: -24px;
}

.modal__gallery-nav svg {
  width: 24px;
  height: 24px;
}

/* Thumbnails */
.modal__thumbnails-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.modal__thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-sm);
  max-height: 200px;
  overflow-x: auto;
  padding: var(--space-xs);
  scrollbar-width: thin;
  scrollbar-color: var(--color-secondary) var(--color-surface);
}

.modal__thumbnail-item {
  aspect-ratio: 1;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all var(--transition-base);
  background-color: var(--color-surface);
}

.modal__thumbnail-item:hover {
  border-color: var(--color-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.modal__thumbnail-item.active {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 1px var(--color-secondary);
}

.modal__thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal__image-counter {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* Modal Info */
.modal__info {
  display: flex;
  flex-direction: column;
  max-height: 700px;
  overflow-y: auto;
  padding-right: var(--space-md);
}

.modal__category {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--letter-spacing-wider);
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.modal__title {
  font-family: var(--font-primary);
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
  line-height: var(--line-height-tight);
}

.modal__subtitle {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.modal__price {
  font-family: var(--font-primary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: var(--border-width-medium) solid var(--color-border);
}

.modal__description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-xl);
}

/* Modal Specs */
.modal__specs {
  margin-bottom: var(--space-xl);
  background-color: var(--color-background-alt);
  padding: var(--space-lg);
  border-radius: var(--border-radius-md);
}

.modal__specs-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.modal__specs-list {
  display: grid;
  gap: var(--space-sm);
}

.modal__spec {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-base);
}

.modal__spec:hover {
  background-color: var(--color-surface);
}

.modal__spec-label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.modal__spec-value {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  text-align: right;
}

/* Modal Actions */
.modal__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: auto;
  padding-top: var(--space-xl);
}

.modal__actions .btn {
  width: 100%;
  justify-content: center;
  padding: var(--space-md) var(--space-xl);
}

/* Payment Info Box */
.modal__payment-info {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(201, 169, 97, 0.3);
}

.modal__payment-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.modal__payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.modal__payment-method {
  padding: var(--space-xs) var(--space-sm);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-medium);
}

/* === TOAST NOTIFICATIONS === */
.toast-container {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-index-tooltip);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-xl);
  min-width: 300px;
  max-width: 400px;
  opacity: 0;
  transform: translateX(400px);
  transition: all var(--transition-medium);
  pointer-events: all;
  border-left: 4px solid var(--color-primary);
}

.toast--visible {
  opacity: 1;
  transform: translateX(0);
}

.toast__icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: bold;
  flex-shrink: 0;
}

.toast__message {
  flex: 1;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.toast__close {
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 20px;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
  flex-shrink: 0;
}

.toast__close:hover {
  color: var(--color-text-primary);
}

.toast--success { border-left-color: var(--color-success); }
.toast--success .toast__icon { color: var(--color-success); }

.toast--error { border-left-color: var(--color-error); }
.toast--error .toast__icon { color: var(--color-error); }

.toast--warning { border-left-color: var(--color-warning); }
.toast--warning .toast__icon { color: var(--color-warning); }

.toast--info { border-left-color: var(--color-secondary); }
.toast--info .toast__icon { color: var(--color-secondary); }

/* === EMPTY STATE === */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
}

.empty-state__icon {
  font-size: 64px;
  margin-bottom: var(--space-lg);
  opacity: 0.3;
}

.empty-state__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
}

.empty-state__text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

/* === WISHLIST/CART COUNTERS === */
.wishlist-count,
.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  min-width: 20px;
  height: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: var(--color-error);
  color: var(--color-text-inverse);
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  border-radius: var(--border-radius-full);
  padding: 0 6px;
}

/* === LOADING STATE === */
body.loading::after {
  content: '';
  position: fixed;
  inset: 0;
  background-color: var(--color-background);
  z-index: var(--z-max);
}

/* === HEARTBEAT ANIMATION === */
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  10%, 30% { transform: scale(0.9); }
  20%, 40% { transform: scale(1.1); }
}

.heartbeat {
  animation: heartbeat 0.6s ease-in-out;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .modal__body {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .modal__main-image-container {
    height: 400px;
  }

  .modal__main-image-container.zoomed {
    height: 600px;
  }

  .modal__gallery-nav--prev {
    left: var(--space-sm);
  }

  .modal__gallery-nav--next {
    right: var(--space-sm);
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .modal {
    padding: var(--space-md);
  }

  .modal__body {
    padding: var(--space-xl);
    gap: var(--space-xl);
  }

  .modal__main-image-container {
    height: 300px;
  }

  .modal__main-image-container.zoomed {
    height: 450px;
  }

  .modal__thumbnails {
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  }

  .modal__gallery-nav {
    width: 40px;
    height: 40px;
  }

  .modal__gallery-nav svg {
    width: 20px;
    height: 20px;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .products__header {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .toast-container {
    top: var(--space-sm);
    right: var(--space-sm);
    left: var(--space-sm);
  }
  
  .toast {
    min-width: auto;
    max-width: 100%;
  }
  
  .modal__payment-methods {
    flex-direction: column;
  }
}

/* === ADDITIONAL RESPONSIVE OPTIMIZATIONS === */

/* Extra small devices (phones < 360px) */
@media (max-width: 359px) {
  .products__container {
    padding: 0 var(--space-sm);
  }
  
  .product-card__content {
    padding: var(--space-md);
  }
  
  .product-card__brand {
    font-size: var(--font-size-base);
  }
  
  .product-card__price {
    font-size: var(--font-size-lg);
  }
  
  .filter-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-xs);
  }
  
  .modal__body {
    padding: var(--space-md);
  }
  
  .modal__brand {
    font-size: var(--font-size-lg);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-xs);
  }
}

/* Filter buttons horizontal scroll on mobile */
@media (max-width: 768px) {
  .products__filters {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    margin-bottom: calc(-1 * var(--space-sm));
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .products__filters::-webkit-scrollbar {
    display: none;
  }
  
  .filter-btn {
    flex-shrink: 0;
  }
}

/* Improve touch targets (min 44px) */
@media (hover: none) and (pointer: coarse) {
  .product-card__action {
    width: 44px;
    height: 44px;
  }
  
  .modal__gallery-nav {
    width: 44px;
    height: 44px;
  }
  
  .modal__thumbnail-item {
    min-width: 60px;
    min-height: 60px;
  }
  
  .nav__link {
    padding: var(--space-sm) var(--space-xs);
  }
  
  .filter-btn {
    min-height: 44px;
  }
}

/* iOS Safe Area Support */
@supports (padding: max(0px)) {
  .modal {
    padding-left: max(var(--space-lg), env(safe-area-inset-left));
    padding-right: max(var(--space-lg), env(safe-area-inset-right));
    padding-bottom: max(var(--space-lg), env(safe-area-inset-bottom));
  }
  
  .toast-container {
    top: max(var(--space-lg), env(safe-area-inset-top));
    right: max(var(--space-lg), env(safe-area-inset-right));
  }
  
  @media (max-width: 640px) {
    .toast-container {
      left: max(var(--space-sm), env(safe-area-inset-left));
      right: max(var(--space-sm), env(safe-area-inset-right));
    }
  }
}

/* Improve modal scrolling on iOS */
.modal__content {
  -webkit-overflow-scrolling: touch;
}

.modal__info {
  -webkit-overflow-scrolling: touch;
}

/* Product card hover only on devices with hover capability */
@media (hover: none) {
  .product-card:hover {
    transform: none;
    box-shadow: var(--shadow-md);
  }
  
  .product-card__actions {
    opacity: 1;
    transform: translateY(0);
  }
  
  .product-card:hover .product-card__image {
    transform: none;
  }
}

/* Swipe hint for modal gallery on touch devices */
@media (hover: none) and (pointer: coarse) {
  .modal__gallery-nav {
    opacity: 0.7;
  }
  
  .modal__main-image-container {
    cursor: default;
  }
}