Admin Panel for Language Level Testing and Promo Code Management

A web interface developed for internal use, enabling management of language level tests (A1–C2) and promo code administration.
The system includes modules for question control, course recommendations based on test results, and promo code creation and tracking.
Key features:
- question management by level (A1–C2)
- automatic course recommendation after test completion
- promo code creation, usage tracking, and control
- responsive interface for mobile and desktop
- modular architecture with scalability support

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