/**
 * Keddily Modern E-Commerce UI System
 * Conversion-Optimized, Mobile-First, Accessible
 * Covers: Cart, Checkout, Compare, and Wishlist
 */

:root {
  --km-primary: var(--color-primary, #2c6ecb);
  --km-primary-rgb: var(--color-primary-rgb, 44, 110, 203);
  --km-primary-hover: #1e56a0;
  --km-primary-light: rgba(44, 110, 203, 0.08);
  --km-success: #10b981;
  --km-success-bg: #ecfdf5;
  --km-danger: #ef4444;
  --km-danger-bg: #fef2f2;
  --km-warning: #f59e0b;
  --km-warning-bg: #fffbeb;
  --km-bg: #f8fafc;
  --km-card-bg: #ffffff;
  --km-text-main: #0f172a;
  --km-text-muted: #64748b;
  --km-text-light: #94a3b8;
  --km-border: #e2e8f0;
  --km-border-focus: #3b82f6;
  --km-radius-sm: 8px;
  --km-radius-md: 12px;
  --km-radius-lg: 16px;
  --km-radius-xl: 20px;
  --km-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --km-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.08);
  --km-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --km-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --km-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   GLOBAL UTILITIES & CARD COMPONENTS
   ========================================================================== */
.km-page-container {
  padding-top: 2rem;
  padding-bottom: 3.5rem;
  background-color: var(--km-bg);
  min-height: calc(100vh - 200px);
}

.km-card {
  background: var(--km-card-bg);
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius-lg);
  box-shadow: var(--km-shadow-sm);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--km-transition);
}

.km-card:hover {
  box-shadow: var(--km-shadow-md);
}

.km-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--km-border);
}

.km-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--km-text-main);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.km-card-title i {
  color: var(--km-primary);
  font-size: 1.1rem;
}

/* Sticky Summary on Desktop */
@media (min-width: 992px) {
  .km-sticky-summary {
    position: sticky;
    top: 90px;
    z-index: 10;
  }
}

/* Badges */
.km-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  line-height: 1;
}

.km-badge-success {
  background: var(--km-success-bg);
  color: var(--km-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.km-badge-danger {
  background: var(--km-danger-bg);
  color: var(--km-danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.km-badge-warning {
  background: var(--km-warning-bg);
  color: var(--km-warning);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.km-badge-primary {
  background: var(--km-primary-light);
  color: var(--km-primary);
  border: 1px solid rgba(var(--km-primary-rgb), 0.2);
}

/* ==========================================================================
   CART PAGE STYLES
   ========================================================================== */
.km-cart-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.km-cart-item {
  display: grid;
  grid-template-columns: 88px 1fr auto auto auto;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem;
  background: #ffffff;
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius-md);
  transition: var(--km-transition);
}

.km-cart-item:hover {
  border-color: rgba(var(--km-primary-rgb), 0.3);
  box-shadow: var(--km-shadow-sm);
}

.km-cart-thumb {
  width: 88px;
  height: 88px;
  border-radius: var(--km-radius-sm);
  overflow: hidden;
  background: #f1f5f9;
  position: relative;
  flex-shrink: 0;
}

.km-cart-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.km-cart-details {
  min-width: 0;
}

.km-cart-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--km-text-main);
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.35;
  margin-bottom: 0.35rem;
  transition: var(--km-transition);
}

.km-cart-title:hover {
  color: var(--km-primary);
}

.km-cart-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--km-text-muted);
}

/* Quantity Pill Controls */
.km-qty-control {
  display: inline-flex;
  align-items: center;
  background: #f8fafc;
  border: 1px solid var(--km-border);
  border-radius: 9999px;
  padding: 0.25rem;
  gap: 0.25rem;
}

.km-qty-btn {
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border: 1px solid var(--km-border);
  border-radius: 50%;
  color: var(--km-text-main);
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--km-transition);
  padding: 0;
}

.km-qty-btn:hover:not(:disabled) {
  background: var(--km-primary);
  color: #ffffff;
  border-color: var(--km-primary);
}

.km-qty-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.km-qty-input {
  width: 36px;
  text-align: center;
  border: none;
  background: transparent;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--km-text-main);
  padding: 0;
  -moz-appearance: textfield;
}

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

.km-cart-price-col {
  text-align: right;
  min-width: 90px;
}

.km-cart-total-price {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--km-text-main);
}

.km-cart-unit-price {
  font-size: 0.8rem;
  color: var(--km-text-muted);
}

.km-cart-remove-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--km-text-light);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--km-transition);
}

.km-cart-remove-btn:hover {
  color: var(--km-danger);
  background: var(--km-danger-bg);
  border-color: rgba(239, 68, 68, 0.2);
}

/* Mobile responsive cart card */
@media (max-width: 767.98px) {
  .km-cart-item {
    grid-template-columns: 76px 1fr;
    grid-template-areas: 
      "thumb details"
      "thumb price"
      "actions actions";
    gap: 0.75rem 1rem;
    padding: 1rem;
  }

  .km-cart-thumb {
    grid-area: thumb;
    width: 76px;
    height: 76px;
  }

  .km-cart-details {
    grid-area: details;
  }

  .km-cart-price-col {
    grid-area: price;
    text-align: left;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
  }

  .km-cart-mobile-actions {
    grid-area: actions;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px dashed var(--km-border);
    margin-top: 0.25rem;
  }
}

/* Order Summary Box */
.km-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  font-size: 0.925rem;
  color: var(--km-text-muted);
}

.km-summary-row.km-highlight {
  color: var(--km-text-main);
  font-weight: 600;
}

.km-summary-row.km-discount {
  color: var(--km-success);
  font-weight: 600;
}

.km-summary-row.km-total {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--km-text-main);
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 1px dashed var(--km-border);
}

.km-summary-row .km-val {
  font-variant-numeric: tabular-nums;
}

/* Promo Code Box */
.km-promo-box {
  display: flex;
  gap: 0.5rem;
  margin: 1.25rem 0;
}

.km-promo-input {
  flex: 1;
  background: #ffffff;
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  color: var(--km-text-main);
  outline: none;
  transition: var(--km-transition);
}

.km-promo-input:focus {
  border-color: var(--km-primary);
  box-shadow: 0 0 0 3px rgba(var(--km-primary-rgb), 0.15);
}

.km-promo-btn {
  background: var(--km-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  border-radius: var(--km-radius-sm);
  padding: 0.65rem 1.25rem;
  cursor: pointer;
  transition: var(--km-transition);
  white-space: nowrap;
}

.km-promo-btn:hover {
  background: var(--km-primary-hover);
  box-shadow: 0 2px 6px rgba(var(--km-primary-rgb), 0.3);
}

/* Applied Coupon Pill */
.km-coupon-applied {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--km-success-bg);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--km-radius-sm);
  padding: 0.6rem 0.85rem;
  margin: 1rem 0;
}

.km-coupon-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--km-success);
  font-weight: 600;
  font-size: 0.875rem;
}

.km-coupon-remove {
  background: transparent;
  border: none;
  color: var(--km-danger);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  transition: var(--km-transition);
}

.km-coupon-remove:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* Primary CTA Button */
.km-btn-checkout {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--km-primary);
  color: #ffffff !important;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: var(--km-radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(var(--km-primary-rgb), 0.3);
  transition: var(--km-transition);
}

.km-btn-checkout:hover {
  background: var(--km-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(var(--km-primary-rgb), 0.4);
}

/* Empty State Card */
.km-empty-card {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: #ffffff;
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius-xl);
  box-shadow: var(--km-shadow-sm);
}

.km-empty-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--km-primary-light);
  color: var(--km-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
}

.km-empty-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--km-text-main);
  margin-bottom: 0.5rem;
}

.km-empty-subtitle {
  font-size: 0.95rem;
  color: var(--km-text-muted);
  max-width: 420px;
  margin: 0 auto 1.75rem;
  line-height: 1.5;
}

/* ==========================================================================
   CHECKOUT PAGE STYLES
   ========================================================================== */
.km-form-group {
  margin-bottom: 1.15rem;
}

.km-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--km-text-main);
  margin-bottom: 0.4rem;
}

.km-label .km-req {
  color: var(--km-danger);
}

.km-input,
.km-select,
.km-textarea {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  color: var(--km-text-main);
  transition: var(--km-transition);
}

.km-input:focus,
.km-select:focus,
.km-textarea:focus {
  outline: none;
  border-color: var(--km-primary);
  box-shadow: 0 0 0 3px rgba(var(--km-primary-rgb), 0.15);
}

/* Shipping Method Interactive Card Options */
.km-shipping-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.km-shipping-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.15rem;
  background: #ffffff;
  border: 1.5px solid var(--km-border);
  border-radius: var(--km-radius-md);
  cursor: pointer;
  transition: var(--km-transition);
}

.km-shipping-option:hover {
  border-color: rgba(var(--km-primary-rgb), 0.4);
}

.km-shipping-option.active {
  border-color: var(--km-primary);
  background: rgba(var(--km-primary-rgb), 0.02);
  box-shadow: 0 0 0 1px var(--km-primary);
}

.km-shipping-left {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.km-radio-custom {
  width: 18px;
  height: 18px;
  accent-color: var(--km-primary);
  cursor: pointer;
}

.km-shipping-name {
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--km-text-main);
  margin-bottom: 0.2rem;
}

.km-shipping-desc {
  font-size: 0.8rem;
  color: var(--km-text-muted);
  margin: 0;
}

.km-shipping-price {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--km-text-main);
}

/* Payment Gateway Selector */
.km-gateways-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.km-gateway-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.85rem 0.5rem;
  background: #ffffff;
  border: 1.5px solid var(--km-border);
  border-radius: var(--km-radius-md);
  cursor: pointer;
  transition: var(--km-transition);
  user-select: none;
  position: relative;
  min-height: 80px;
}

.km-gateway-card input[type="radio"] {
  position: absolute;
  top: 8px;
  left: 8px;
  accent-color: var(--km-primary);
}

.km-gateway-card:hover {
  border-color: rgba(var(--km-primary-rgb), 0.4);
}

.km-gateway-card.active {
  border-color: var(--km-primary);
  background: var(--km-primary-light);
  box-shadow: 0 0 0 1px var(--km-primary);
}

.km-gateway-icon {
  font-size: 1.4rem;
  color: var(--km-primary);
  margin-bottom: 0.4rem;
}

.km-gateway-name {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--km-text-main);
  line-height: 1.25;
}

/* ==========================================================================
   COMPARE PAGE STYLES
   ========================================================================== */
.km-compare-table-wrapper {
  background: #ffffff;
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius-lg);
  overflow-x: auto;
  box-shadow: var(--km-shadow-sm);
}

.km-compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.km-compare-table th,
.km-compare-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--km-border);
  border-right: 1px solid var(--km-border);
  vertical-align: middle;
}

.km-compare-table th:last-child,
.km-compare-table td:last-child {
  border-right: none;
}

.km-compare-table tr:last-child th,
.km-compare-table tr:last-child td {
  border-bottom: none;
}

.km-compare-attr {
  background: #f8fafc;
  font-weight: 600;
  color: var(--km-text-muted);
  width: 180px;
  min-width: 160px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.km-compare-product-col {
  text-align: center;
  min-width: 220px;
}

.km-compare-thumb {
  width: 140px;
  height: 140px;
  margin: 0 auto 0.75rem;
  border-radius: var(--km-radius-md);
  overflow: hidden;
  background: #f1f5f9;
}

.km-compare-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Mobile Compare Card Switcher */
.km-compare-mobile-cards {
  display: none;
}

@media (max-width: 767.98px) {
  .km-compare-table-wrapper {
    display: none;
  }

  .km-compare-mobile-cards {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }

  .km-compare-mobile-card {
    background: #ffffff;
    border: 1px solid var(--km-border);
    border-radius: var(--km-radius-lg);
    padding: 1.25rem;
    box-shadow: var(--km-shadow-sm);
  }

  .km-compare-attr-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.65rem 0;
    border-bottom: 1px dashed var(--km-border);
    font-size: 0.875rem;
  }

  .km-compare-attr-row:last-child {
    border-bottom: none;
  }

  .km-compare-attr-label {
    color: var(--km-text-muted);
    font-weight: 500;
  }

  .km-compare-attr-value {
    color: var(--km-text-main);
    font-weight: 600;
    text-align: right;
  }
}

/* ==========================================================================
   WISHLIST PAGE STYLES
   ========================================================================== */
.km-wishlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.km-wishlist-card {
  background: #ffffff;
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius-lg);
  overflow: hidden;
  box-shadow: var(--km-shadow-xs);
  transition: var(--km-transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.km-wishlist-card:hover {
  box-shadow: var(--km-shadow-md);
  border-color: rgba(var(--km-primary-rgb), 0.3);
  transform: translateY(-2px);
}

.km-wishlist-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #f1f5f9;
  overflow: hidden;
}

.km-wishlist-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.km-wishlist-card:hover .km-wishlist-thumb img {
  transform: scale(1.04);
}

.km-wishlist-remove {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  border: 1px solid var(--km-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--km-text-muted);
  cursor: pointer;
  transition: var(--km-transition);
  z-index: 2;
}

.km-wishlist-remove:hover {
  background: var(--km-danger);
  color: #ffffff;
  border-color: var(--km-danger);
}

.km-wishlist-body {
  padding: 1.15rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.km-wishlist-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--km-text-main);
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.35;
  margin-bottom: 0.5rem;
  min-height: 2.7em;
}

.km-wishlist-title:hover {
  color: var(--km-primary);
}

.km-wishlist-price-row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.km-wishlist-price {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--km-text-main);
}

.km-wishlist-old-price {
  font-size: 0.85rem;
  color: var(--km-text-light);
  text-decoration: line-through;
}

.km-wishlist-stock {
  margin-bottom: 1rem;
}

.km-wishlist-actions {
  margin-top: auto;
}

.km-btn-move-cart {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: var(--km-primary-light);
  color: var(--km-primary);
  border: 1px solid rgba(var(--km-primary-rgb), 0.2);
  border-radius: var(--km-radius-sm);
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--km-transition);
  text-decoration: none;
}

.km-btn-move-cart:hover {
  background: var(--km-primary);
  color: #ffffff;
  border-color: var(--km-primary);
}

/* ==========================================================================
   RTL SUPPORT (Arabic)
   ========================================================================== */
[dir="rtl"] .km-cart-price-col,
.rtl .km-cart-price-col {
  text-align: left;
}

[dir="rtl"] .km-wishlist-remove,
.rtl .km-wishlist-remove {
  right: auto;
  left: 10px;
}

[dir="rtl"] .km-compare-attr,
.rtl .km-compare-attr {
  border-left: 1px solid var(--km-border);
  border-right: none;
}

[dir="rtl"] .km-gateway-card input[type="radio"],
.rtl .km-gateway-card input[type="radio"] {
  left: auto;
  right: 8px;
}