Loyalty Progress Bar

A dynamic loyalty system has been developed and integrated into the checkout module (Smart Checkout) based on OpenCart.

Functionality:
- Automatic calculation of the total amount of completed user orders
- Determination of the current cashback/discount level
- Dynamic display of progress to the next level
- Visual highlighting of the percentage and required amount
- Support for multilingualism
- Responsive layout with perfect mobile optimization
- Secure integration into the existing checkout without disrupting the order processing logic