Icon row
Use this when the surrounding login surface already explains the available sign-in providers.
Auth surface
Provider chooser
Compact provider selection for Google, Apple, and email without stretching the login surface into three separate panels.
All providers
Use this when the site should offer Apple, Google, and email together.
Google only
The same primitive collapses to a direct action.
Google and email
A smaller mixed surface keeps the email form folded away.