Authentication Flow

Build secure login, signup, and session management. Tests form validation, global state handling, secure cookie management, and protected routes.

Form validationGlobal stateSecure cookiesRoute guards

Choose Your Level

Pick the difficulty that matches where you are. You can come back and try a harder level later.

Build a pixel-perfect, accessible login and signup form with robust validation.

Wire up a login form to an API and manage the user session globally.

Build a robust authentication architecture that survives edge cases.