Cart Page

The shopping cart page at /cart, displaying all items in the cart with quantity management, coupon application, shipping calculation, and a checkout button.

app/cart/page.tsx   # or app/(main)/cart/page.tsx

• Cart - Top-level cart layout
  • CartItemList - Table of cart items
    • CartItem - Individual line items
  • CartInfo - Order summary
    • ApplyCouponForm - Coupon input
    • AppliedCoupons - Applied coupon list
    • CartShipping - Shipping section
      • ShippingLocaleForm - Location form
      • ShippingOptions - Rate selection
  • CheckoutButton - Proceed to checkout

• Checkout - Next step after cart
• Product - Where items are added from