Login Flow Skill
A skill for generating mobile-first login and authentication screens. Use this when the user wants a sign-in experience for a mobile app, including phone + SMS verification, password-based login, and social SSO options.
Workflow
- Read reference files first (see below)
- Clarify auth method: phone/SMS, password, or social SSO
- Checklist gate — verify P0 items before emitting
<artifact> - Build the HTML prototype with proper states (default, loading, error)
- Wrap in
<artifact>tag referencing the output file
Side Files
references/checklist.md— P0/P1 acceptance criteria
Output
A single standalone HTML file implementing the login screen with:
- Labels above inputs (never placeholder-only)
- Password field with show/hide toggle
- Social SSO buttons with SVG icons
- Error states below fields
- Loading spinner in primary CTA
- Touch targets minimum 44px
Mobile-First Constraints
- Viewport: 375px wide (iPhone standard)
- No horizontal scroll
- Safe area insets for notched devices
- Input keyboards:
telfor phone,passwordfor password fields