/**
 * Luminiosa - Cart Drawer Styles
 * Slide-out cart drawer with free shipping progress, device-based UI, and trust elements
 */

/* ========== CSS VARIABLES ========== */
:root {
  --cart-drawer-width: 420px;
  --cart-drawer-bg: #FFFFFF;
  --cart-overlay-bg: rgba(10, 43, 76, 0.5);
  --cart-border-color: #EDEFF1;
  --cart-coral: #FF7A59;
  --cart-coral-hover: #E86A4A;
  --cart-navy: #0A2B4C;
  --cart-grey: #6B7C93;
  --cart-light-grey: #F8F9FA;
  --cart-success: #2D8B5F;
  --cart-shadow: 0 0 40px rgba(10, 43, 76, 0.15);
}

/* ========== OVERLAY ========== */
.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--cart-overlay-bg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 9998;
  backdrop-filter: blur(2px);
}

.cart-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ========== DRAWER CONTAINER ========== */
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: var(--cart-drawer-width);
  max-width: 100vw;
  background: var(--cart-drawer-bg);
  box-shadow: var(--cart-shadow);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.cart-drawer.open {
  transform: translateX(0);
}

/* ========== DRAWER HEADER ========== */
.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--cart-border-color);
  background: var(--cart-drawer-bg);
  flex-shrink: 0;
}

.cart-drawer-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cart-navy);
  margin: 0;
}

.cart-drawer-title-divider {
  color: var(--cart-grey);
  font-weight: 400;
}

.cart-drawer-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  padding: 0 8px;
  background: var(--cart-navy);
  color: white;
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 14px;
}

.cart-drawer-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--cart-navy);
  transition: all 0.2s ease;
}

.cart-drawer-close:hover {
  background: var(--cart-light-grey);
  color: var(--cart-coral);
}

/* ========== DRAWER CONTENT ========== */
.cart-drawer-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

/* ========== EMPTY CART STATE ========== */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  text-align: center;
  flex: 1;
}

.cart-empty-icon {
  color: var(--cart-border-color);
  margin-bottom: 1.5rem;
}

.cart-empty-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--cart-navy);
  margin: 0 0 0.5rem;
}

.cart-empty-text {
  font-size: 1rem;
  color: var(--cart-grey);
  margin: 0 0 1.5rem;
  line-height: 1.6;
}

.cart-empty-btn {
  padding: 0.875rem 2rem;
}

/* ========== FREE SHIPPING PROGRESS ========== */
.cart-shipping-progress {
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, #F0F7FF 0%, #E8F4FD 100%);
  border-bottom: 1px solid var(--cart-border-color);
  transition: all 0.3s ease;
}

/* Unlocked state - green background */
.cart-shipping-progress:has(.shipping-unlocked) {
  background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
  border-bottom-color: rgba(45, 139, 95, 0.2);
}

.shipping-unlocked {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  color: var(--cart-success);
  margin-bottom: 0.75rem;
}

.shipping-unlocked svg {
  flex-shrink: 0;
}

.shipping-progress-text {
  font-size: 0.9375rem;
  color: var(--cart-navy);
  margin-bottom: 0.75rem;
}

.shipping-progress-bar {
  position: relative;
  height: 8px;
  background: #D4E5F7;
  border-radius: 4px;
  overflow: visible;
}

/* Green bar background when unlocked */
.cart-shipping-progress:has(.shipping-unlocked) .shipping-progress-bar {
  background: rgba(45, 139, 95, 0.2);
}

.shipping-progress-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cart-coral) 0%, #FF9A7A 100%);
  border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Green fill when unlocked */
.cart-shipping-progress:has(.shipping-unlocked) .shipping-progress-fill {
  background: linear-gradient(90deg, #22C55E 0%, #4ADE80 100%);
}

.shipping-progress-icon {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 32px;
  background: white;
  border: 2px solid var(--cart-border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cart-grey);
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.shipping-progress-icon.unlocked {
  background: var(--cart-success);
  border-color: var(--cart-success);
  color: white;
}

/* ========== CART ITEMS ========== */
.cart-items {
  flex: 1;
  padding: 1rem 0;
}

.cart-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--cart-border-color);
  transition: background 0.2s ease;
}

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

.cart-item:hover {
  background: var(--cart-light-grey);
}

.cart-item-image {
  width: 80px;
  height: 100px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--cart-light-grey);
  flex-shrink: 0;
}

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

.cart-item-details {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cart-item-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cart-navy);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cart-item-variant {
  font-size: 0.875rem;
  color: var(--cart-grey);
  margin: 0;
}

.cart-item-pricing {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.cart-item-price {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cart-navy);
}

.cart-item-compare-price {
  font-size: 0.875rem;
  color: var(--cart-grey);
  text-decoration: line-through;
}

.cart-item-savings {
  font-size: 0.8125rem;
  color: var(--cart-coral);
  font-weight: 600;
}

.cart-item-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 0.5rem;
}

/* Quantity Controls */
.cart-item-quantity {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--cart-light-grey);
  border-radius: 8px;
  overflow: hidden;
}

.qty-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--cart-navy);
  transition: all 0.2s ease;
}

.qty-btn:hover:not(:disabled) {
  background: var(--cart-border-color);
  color: var(--cart-coral);
}

.qty-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.qty-value {
  min-width: 32px;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--cart-navy);
}

/* Remove Button */
.cart-item-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  color: var(--cart-grey);
  transition: all 0.2s ease;
}

.cart-item-remove:hover {
  background: #FEE2E2;
  color: #DC2626;
}

/* Device Count Display */
.cart-item-device-count {
  font-size: 0.8125rem;
  color: var(--cart-grey);
  margin: 0;
  padding: 0.25rem 0.5rem;
  background: var(--cart-light-grey);
  border-radius: 4px;
  display: inline-block;
  margin-top: 0.25rem;
}

/* Upgrade Hint */
.cart-upgrade-hint {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  margin: 0 1rem 0.5rem;
  background: linear-gradient(135deg, #FFF8F6 0%, #FFF0EB 100%);
  border: 1px solid rgba(255, 122, 89, 0.2);
  border-radius: 12px;
}

.upgrade-hint-icon {
  font-size: 1.25rem;
  line-height: 1;
  flex-shrink: 0;
}

.upgrade-hint-text {
  font-size: 0.875rem;
  color: var(--cart-navy);
  line-height: 1.5;
}

.upgrade-hint-text strong {
  color: var(--cart-coral);
  font-weight: 700;
}

/* Quantity button with trash icon */
.qty-btn[data-remove="true"] {
  color: #DC2626;
}

.qty-btn[data-remove="true"]:hover {
  background: #FEE2E2;
}

/* ========== CART FOOTER ========== */
.cart-footer {
  padding: 1.25rem 1.5rem;
  background: var(--cart-light-grey);
  border-top: 1px solid var(--cart-border-color);
  flex-shrink: 0;
}

.cart-total {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.cart-total-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cart-navy);
}

.cart-total-amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cart-navy);
}

.cart-checkout-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem 1.5rem;
  font-size: 1.0625rem;
  font-weight: 700;
  text-decoration: none;
  margin-bottom: 1rem;
}

/* Payment Trust Strip */
.cart-trust-strip {
  text-align: center;
  padding-top: 0.75rem;
  border-top: 1px solid var(--cart-border-color);
  margin-top: 0.5rem;
}

.cart-payment-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

.cart-payment-icons .payment-icon {
  height: 26px;
  width: auto;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.cart-payment-icons .payment-icon:hover {
  opacity: 1;
}

.payment-cod-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  background: var(--cart-navy);
  color: white;
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.cart-payment-note {
  font-size: 0.75rem;
  color: var(--cart-grey);
  margin: 0;
}

/* ========== NOTIFICATIONS ========== */
.cart-notification {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--cart-navy);
  color: white;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(10, 43, 76, 0.3);
  z-index: 10000;
  animation: slideUp 0.3s ease;
  font-size: 0.9375rem;
  font-weight: 500;
}

.cart-notification--success {
  background: var(--cart-success);
}

.cart-notification--error {
  background: #DC2626;
}

.cart-notification.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

.notification-close {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.2);
  border: none;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  cursor: pointer;
  color: white;
  transition: background 0.2s ease;
}

.notification-close:hover {
  background: rgba(255,255,255,0.3);
}

@keyframes slideUp {
  from {
    transform: translateX(-50%) translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  to {
    transform: translateX(-50%) translateY(100%);
    opacity: 0;
  }
}

/* ========== LOADING STATE ========== */
.cart-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.cart-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--cart-border-color);
  border-top-color: var(--cart-coral);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========== MOBILE RESPONSIVE ========== */
@media (max-width: 480px) {
  :root {
    --cart-drawer-width: 100vw;
  }

  .cart-drawer-header {
    padding: 1rem;
  }

  .cart-drawer-title {
    font-size: 1.125rem;
  }

  .cart-shipping-progress {
    padding: 0.875rem 1rem;
  }

  .cart-item {
    padding: 0.875rem 1rem;
  }

  .cart-item-image {
    width: 70px;
    height: 88px;
  }

  .cart-footer {
    padding: 1rem;
  }

  .cart-notification {
    left: 1rem;
    right: 1rem;
    transform: none;
    bottom: 1rem;
  }

  .cart-notification.fade-out {
    animation: fadeOutMobile 0.3s ease forwards;
  }

  @keyframes fadeOutMobile {
    to {
      transform: translateY(100%);
      opacity: 0;
    }
  }
}