Playground note (not in production) In production, this page is Keycloak's login UI, not a custom form. keycloak.login() redirects here. Keycloak handles credentials, password reset, and session management. We can theme Keycloak to match this design.

Web: User sees this after clicking "Sign In" on the landing page.
iOS: User sees this on first app launch (no landing page — they already downloaded from App Store). The WebView opens Keycloak's login.