login-flow

# 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 1. **Read reference files first** (see below) 2. **Clarify auth method**: phone/SMS, password, or social SSO 3. **Checklist gate** — verify P0 items before emitting `<artifact>` 4. **Build the HTML prototype** with proper states (default, loading, error) 5. **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: `tel` for phone, `password` for password fields