/**
 * Shopping Cart - Modern Layout CSS
 * Clean, spacious design with narrower summary sidebar
 */

/* ==========================================================================
   BASE & VARIABLES
   ========================================================================== */

/* Page-local brand colors */
:root {
  --paypal-yellow: #ffc439;
  --paypal-blue: #009cde;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu",
    "Cantarell", "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-surface);
}

/* ==========================================================================
   CART HEADER
   ========================================================================== */

.aiab-cart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: #ffffff;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.aiab-cart-header h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.aiab-cart-count {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-lg);
}

.aiab-cart-continue-shopping {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: opacity 0.2s ease;
}

.aiab-cart-continue-shopping:hover {
  opacity: 0.8;
}

/* ==========================================================================
   PROGRESS STEPS
   ========================================================================== */

.aiab-cart-progress-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: #ffffff;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.aiab-cart-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  font-weight: 500;
}

.aiab-cart-step.aiab-active {
  color: var(--color-primary);
}

.aiab-cart-step-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border-radius: 50%;
  transition: all 0.2s ease;
}

.aiab-cart-step.aiab-active .aiab-cart-step-icon {
  background: var(--color-primary-alpha-10);
  color: var(--color-primary);
}

.aiab-cart-step-line {
  width: 100px;
  height: 2px;
  background: var(--color-border);
  margin: 0 1rem;
}

/* Order Summary Sidebar - sticky positioning */
.aiab-cart-order-summary-sidebar {
  position: sticky;
  top: 1rem;
}

/* ==========================================================================
   SELECT ALL BAR
   ========================================================================== */

.aiab-cart-select-all-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  background: #ffffff;
  border-radius: 0.75rem 0.75rem 0 0;
  border-bottom: 1px solid var(--color-border);
}

.aiab-cart-checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
}

.aiab-cart-checkbox-wrapper input[type="checkbox"] {
  position: absolute;
  opacity: 0;
}

.aiab-cart-checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  transition: all 0.2s ease;
  position: relative;
}

.aiab-cart-checkbox-wrapper input:checked ~ .aiab-cart-checkbox-custom {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.aiab-cart-checkbox-wrapper input:checked ~ .aiab-cart-checkbox-custom::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 6px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.aiab-cart-clear {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  color: var(--color-danger);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.aiab-cart-clear:hover {
  background: rgba(239, 68, 68, 0.05);
  border-color: var(--color-danger);
}

/* ==========================================================================
   CART ITEMS
   ========================================================================== */

.aiab-cart-items {
  background: #ffffff;
  border-radius: 0 0 0.75rem 0.75rem;
}

.aiab-cart-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border-light);
  transition: background 0.2s ease;
  min-height: 160px;
}

.aiab-cart-item:hover {
  background: #fefefe;
}

.aiab-cart-item:last-child {
  border-bottom: none;
}

/* Item Image */
.aiab-cart-item-image {
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

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

/* Item Content Wrapper */
.aiab-cart-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
}

.aiab-cart-item-title-row h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: 1.4;
}

.aiab-cart-item-details-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

/* Item Details */
.aiab-cart-item-details {
  flex: 1;
  min-width: 0;
}

.aiab-cart-item-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.aiab-cart-meta-label {
  font-weight: 500;
  white-space: nowrap;
}

.aiab-cart-meta-value {
  color: var(--color-text);
  white-space: nowrap;
}

.aiab-cart-meta-divider {
  color: var(--color-border);
}

.aiab-cart-item-stock {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  white-space: nowrap;
}

.aiab-cart-item-stock.aiab-cart-in-stock {
  color: var(--color-success);
  background: rgba(40, 167, 69, 0.1);
}

.aiab-cart-item-stock.aiab-cart-low-stock {
  color: var(--color-warning);
  background: rgba(255, 193, 7, 0.1);
}

.aiab-cart-item-promo {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: linear-gradient(135deg, rgba(255, 105, 0, 0.12), rgba(255, 105, 0, 0.08));
  color: var(--color-primary);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid rgba(255, 105, 0, 0.25);
  box-shadow: 0 1px 3px rgba(255, 105, 0, 0.1);
}

.aiab-cart-item-promo svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Item Price */
.aiab-cart-item-price {
  min-width: 80px;
  text-align: right;
  white-space: nowrap;
}

.aiab-cart-price-current {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
}

.aiab-cart-price-original {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  text-decoration: line-through;
  display: block;
  margin-top: 0.25rem;
}

/* Item Quantity */
.aiab-cart-item-quantity {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
}

.aiab-cart-qty-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.aiab-cart-qty-btn:hover {
  color: var(--color-primary);
  background: var(--color-primary-alpha-10);
}

.aiab-cart-qty-btn.aiab-cart-minus {
  border-radius: var(--border-radius-lg) 0 0 var(--border-radius-lg);
}

.aiab-cart-qty-btn.aiab-cart-plus {
  border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
}

.aiab-cart-qty-input {
  width: 50px;
  height: 36px;
  text-align: center;
  border: none;
  background: none;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
}

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

/* Item Total */
.aiab-cart-item-total {
  min-width: 90px;
  text-align: right;
  white-space: nowrap;
}

.aiab-cart-total-price {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  display: block;
  white-space: nowrap;
}

.aiab-cart-savings {
  font-size: 0.8125rem;
  color: var(--color-success);
  display: block;
  margin-top: 0.25rem;
  white-space: nowrap;
}

/* Item Actions */
.aiab-cart-item-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.aiab-cart-action-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.aiab-cart-action-btn:hover {
  background: var(--color-surface);
  border-color: var(--color-text-secondary);
}

.aiab-cart-action-btn.aiab-cart-save:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-alpha-10);
}

.aiab-cart-action-btn.aiab-cart-remove:hover {
  color: var(--color-danger);
  border-color: var(--color-danger);
  background: rgba(239, 68, 68, 0.05);
}

/* ==========================================================================
   ORDER SUMMARY SIDEBAR
   ========================================================================== */

/* Promo Code Section */
.aiab-cart-promo-section {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.aiab-cart-promo-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.aiab-cart-promo-input-group {
  display: flex;
  gap: 0.5rem;
}

.aiab-cart-promo-input {
  flex: 1;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  font-size: 0.875rem;
}

.aiab-cart-promo-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.aiab-cart-promo-apply {
  padding: 0.625rem 1.25rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.aiab-cart-promo-apply:hover {
  background: var(--color-primary-active);
}

/* Order Summary */
.aiab-cart-order-summary {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.aiab-cart-order-summary h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.aiab-cart-summary-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.aiab-cart-summary-line.aiab-cart-savings {
  color: var(--color-success);
  font-weight: 500;
}

.aiab-cart-summary-line .aiab-cart-free {
  color: var(--color-success);
  font-weight: 600;
}

.aiab-cart-summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0 0;
  margin-top: 0.75rem;
  border-top: 2px solid var(--color-border);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}

/* Checkout Actions */
.aiab-cart-checkout-actions {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
}

.aiab-cart-btn-checkout {
  width: 100%;
  padding: 0.875rem;
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.aiab-cart-btn-checkout.aiab-primary {
  background: var(--color-primary);
  color: white;
}

.aiab-cart-btn-checkout.aiab-primary:hover {
  background: var(--color-primary-active);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.aiab-cart-btn-paypal {
  width: 100%;
  padding: 0.875rem;
  background: var(--paypal-yellow);
  color: var(--color-text);
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 0.75rem;
}

.aiab-cart-btn-paypal:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.aiab-cart-or-divider {
  display: block;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  padding: 0.5rem 0;
}

/* Security Features */
.aiab-cart-security-features {
  background: #ffffff;
  border-radius: 0.75rem;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.aiab-cart-feature {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.aiab-cart-feature svg {
  color: var(--color-success);
  flex-shrink: 0;
}

/* ==========================================================================
   RECENTLY VIEWED
   ========================================================================== */

.aiab-cart-recently-viewed {
  margin-top: 3rem;
  padding: 2rem;
  background: #ffffff;
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.aiab-cart-recently-viewed h2 {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.aiab-cart-recent-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.5rem;
}

.aiab-cart-recent-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.aiab-cart-recent-item:hover {
  transform: translateY(-4px);
}

.aiab-cart-recent-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
  margin-bottom: 0.75rem;
  background: var(--color-surface);
}

.aiab-cart-recent-item h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.aiab-cart-recent-item .aiab-cart-price {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 768px) {
  .aiab-cart-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .aiab-cart-header h1 {
    font-size: 1.5rem;
  }

  .aiab-cart-count {
    display: inline-block;
    margin-left: 0.5rem;
  }

  .aiab-cart-progress-steps {
    overflow-x: auto;
    padding: 1rem;
  }

  .aiab-cart-step span {
    display: none;
  }

  .aiab-cart-step-line {
    width: 50px;
  }

  .aiab-cart-item {
    padding: 1rem;
    min-height: auto;
  }

  .aiab-cart-item-image {
    width: 80px;
    height: 80px;
  }

  .aiab-cart-item-content {
    width: 100%;
  }

  .aiab-cart-item-title-row h3 {
    font-size: 0.9375rem;
  }

  .aiab-cart-item-details-row {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .aiab-cart-item-details {
    width: 100%;
    order: 1;
  }

  .aiab-cart-item-price {
    order: 2;
    min-width: auto;
    flex: 1;
  }

  .aiab-cart-item-quantity {
    order: 3;
    flex: 0 0 auto;
  }

  .aiab-cart-item-quantity .aiab-cart-qty-btn {
    width: 32px;
    height: 32px;
  }

  .aiab-cart-item-quantity .aiab-cart-qty-input {
    width: 40px;
  }

  .aiab-cart-item-total {
    order: 4;
    min-width: auto;
    flex: 1;
    text-align: right;
  }

  .aiab-cart-item-actions {
    position: absolute;
    top: 1rem;
    right: 1rem;
    flex-direction: row;
    gap: 0.375rem;
  }

  .aiab-cart-recent-items {
    grid-template-columns: repeat(2, 1fr);
  }
}