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---
name: login-flow
description: Mobile login and authentication flow screens. Use when you need help with login flow.
license: CC-BY-NC-SA-4.0
od:
mode: prototype
platform: mobile
triggers:
- login
- sign in
- 注册登录
- 登录注册
- 手机号登录
- 验证码登录
- 密码登录
---
# 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
