- Add auth layout with centered card design
- Add Input component for form fields
- Add LoginForm component with email/password and validation
- Add RegisterForm component with password requirements
- Add login page with Google button + 'oppure' divider + email form
- Add register page with Google button + 'oppure' divider + email form
- Italian text throughout (Accedi, Registrati, oppure)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add cn() utility function for class name merging
- Add Button component with default/outline/ghost variants
- Add Card component with Header, Title, Description, Content, Footer
- Add GoogleSignInButton with signInWithOAuth for Google provider
- Italian text: 'Accedi con Google'
- Redirects to /auth/callback after consent
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
