Project Description: I need a front-end-only website built using HTML, CSS, and JavaScript. The site should have two roles: Admin and User, accessible via buttons at the top of the page. Admin Features: When the admin clicks the button, they should be able to: Add new challenges Each challenge includes: A title One or more questions Multiple choice answers The correct answer All challenges must be stored in Local Storage (no server-side database). User Features: When the user clicks the button: Load the challenges from Local Storage Display questions one by one Allow the user to select answers At the end, show the total score and which answers were correct/incorrect Technical Requirements: Fully responsive design (mobile + desktop) Clean and modern UI No backend — everything must run client-side Use Local Storage for all data persistence Deliverables: Complete source code (HTML, CSS, JS) Instructions to run locally Optional: brief documentation on how to add/edit challenges