Shopping Cart

Customers review their order before paying.

Cart Features

View Cart

• Tap cart icon to open full cart view
• See all items with customizations
• Running total with tax

Modify Items

• Edit - Change customizations
• Remove - Delete item from cart
• Quantity - Increase or decrease

Order Summary

┌─────────────────────────────────────┐
│ Your Order                          │
├─────────────────────────────────────┤
│ 1x Cheeseburger           €8.99     │
│    + Extra Cheese         €1.00     │
│                                     │
│ 2x French Fries           €5.98     │
│                                     │
│ 1x Coca-Cola              €2.99     │
├─────────────────────────────────────┤
│ Subtotal                  €18.96    │
│ Tax (19%)                  €3.60    │
│ Total                     €22.56    │
├─────────────────────────────────────┤
│ [Continue Shopping]  [Checkout →]   │
└─────────────────────────────────────┘

Cart Behavior

Persistent Cart

• Cart persists during session
• Cleared after payment or timeout
• Timeout configurable (default: 5 minutes idle)

Cart Badge

• Shows item count on cart icon
• Updates as items added/removed
• Visible on all screens

Mini Cart Preview

• Hover/tap cart icon for quick preview
• Shows last items added
• Quick access to full cart

Order Types

Dine-In

• Customer enters table number
• Order sent to kitchen with table info

Takeaway

• No table needed
• Customer gets order number
• Called when ready

Order Number

• Auto-generated unique number
• Displayed on receipt
• Shown on kitchen display

Promotions & Discounts

Automatic Discounts

• Combo discounts applied automatically
• Bundle savings shown
• "You saved €X" message

Promo Codes

• Enter code at cart/checkout
• Discount applied and shown
• Invalid codes show error message

Timeout Handling

If customer walks away:

1. 5 min idle - Warning popup
2. 30 sec countdown - "Continue ordering?"
3. Timeout - Cart cleared, back to home

Reset Flow

• Cart emptied
• Screen returns to home
• Ready for next customer

Troubleshooting

Cart Not Updating

Wrong Total

Items Disappearing