# Frontend architecture

The frontend is a statically exported Next.js 16 application. Next provides the build shell (`app/layout.tsx` and `app/page.tsx`); it does not provide server-side data fetching or application routing. React Router owns public and authenticated navigation inside the client shell.

The application uses local React state and feature hooks rather than Redux, Zustand, or React Query. API access is centralized in `job-tracker-ui/src/api.ts`. MUI 7 supplies the component library and `src/theme.ts` supplies light/dark theme configuration. English and Norwegian Bokmål translations live in `src/i18n/`.

Production builds are served by nginx. Same-origin `/api` proxying is the default; `NEXT_PUBLIC_API_BASE_URL` is an explicit build-time override and must not contain secrets. See [Frontend guide](../frontend/README.md) and [UI system](../frontend/ui-system.md).