/* ============================================
   CART & SIDEBAR (PREMIUM HIGH-END)
   ============================================ */

.cart-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: var(--transition-normal);
}

.cart-overlay.active { 
  opacity: 1; 
  visibility: visible;
  pointer-events: auto;
}

.cart-sidebar {
  position: fixed;
  top: 0; right: -500px;
  width: 500px; max-width: 100%;
  height: 100%;
  background: var(--color-bg-base);
  border-left: 1px solid var(--color-border);
  z-index: 1002;
  box-shadow: var(--shadow-lg);
  transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.cart-sidebar.active { right: 0; }

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 32px;
  border-bottom: 1px solid var(--color-border);
}

.cart-title {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.cart-close {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: var(--transition-normal);
}

.cart-close:hover {
  background: var(--color-bg-secondary);
  border-color: var(--color-orange);
  color: var(--color-orange);
  transform: rotate(90deg);
}

/* Cart Items */
.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 480px) {
  .cart-item {
    gap: 12px;
    padding: 16px 0;
  }
}

.cart-item-img {
  width: 80px; height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: #111;
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cart-item-name {
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--color-text);
}

.cart-item-options {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

.cart-item-price {
  font-weight: 800;
  color: var(--color-orange);
}

.cart-item-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.cart-qty-control {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.cart-qty-btn {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  color: var(--color-text);
  border-radius: 4px;
  transition: var(--transition-fast);
}

.cart-qty-btn:hover {
  background: var(--color-orange);
  color: #000;
}

.cart-qty-val {
  font-weight: 800;
  min-width: 20px;
  text-align: center;
}

.cart-item-remove {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.cart-item-remove:hover {
  color: var(--color-error);
}

/* Empty Cart */
.cart-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
}

.cart-empty-icon {
  font-size: 4rem;
  color: var(--color-text-muted);
  opacity: 0.2;
  margin-bottom: 24px;
}

.cart-empty-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* Cart Footer */
.cart-footer {
  padding: 32px;
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
}

.cart-summary {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-secondary);
  font-weight: 600;
}

.summary-total {
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  margin-top: 4px;
  color: var(--color-text);
  font-size: 1.5rem;
  font-weight: 900;
}

.summary-total span {
  color: var(--color-orange);
}

/* Mobile Sticky Cart */
.sticky-cart-trigger {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 64px; height: 64px;
  background: var(--color-orange);
  color: #000;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 900;
  box-shadow: var(--shadow-orange);
  transition: var(--transition-normal);
}

.sticky-cart-trigger:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px -10px var(--color-orange-glow);
}

.cart-badge {
  position: absolute;
  top: -8px; right: -8px;
  width: 24px; height: 24px;
  background: var(--color-text);
  color: var(--color-bg-base);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-orange);
}

@media (max-width: 768px) {
  .cart-sidebar {
    width: 100%;
    right: -100%;
  }
}