demo · v131
decision tree: which sign-in surface should you show?
Toggle the capability checkboxes below to simulate different browsers. The decision tree picks the appropriate sign-in UI: full passkey autofill (conditional UI), explicit passkey CTA + QR (hybrid), explicit passkey CTA (platform auth), or fallback to password. The mock sign-in renders the chosen surface.
choose your surface
toggle capabilities above to recompute