Design: Login Portal

### 🧩 Overview
This issue is for tracking design work related to #441. We need to design a login interface so that users can access the Home Unite Us application.

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## 🧠 Problem Statement
We need to design and develop the login interface for the Home Unite Us application. Although authentication requirements are outlined in user story #441, there are currently no visual designs, UI components, or interaction patterns for the login experience. Without these designs, users can't access the application, and development is stalled.

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## 🙋‍♀️ User Story
As a user, I want a place to log in, so that I can access the Home Unite Us application.

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## 🎯 Acceptance Criteria (Definition of Done)
*Transfer information to Design to Engineering Issue to be checked off*
*These high-level criteria will be detailed further in Design and Engineering handoff templates*

> - [ ] Designs created for all required screen sizes.
> - [ ] Product Manager approval received.
> - [ ] Design specifications documented.
> - [ ] Dev team has reviewed for feasibility.
> - [ ] Figma link and screenshots added to parent user story.

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## 📌 Scope Considerations (In/Out Scope)
- [Feature List](https://docs.google.com/spreadsheets/d/1uM287TOz20jnXPS4kRe0Dt5GlhnPbNRYBHHOxcamCJ0/edit?gid=343529642#gid=343529642) *Add/Update Feature List*
- [x] Added to [Feature List](https://docs.google.com/spreadsheets/d/1uM287TOz20jnXPS4kRe0Dt5GlhnPbNRYBHHOxcamCJ0/edit?gid=343529642#gid=343529642) and completed information accordingly
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### Action Items
- Assign and Prep
- [ ] Product Manager: Self-assign, review user story #441, and assign designer
- [ ] Product Manager: Review user story requirements and clarify questions with PM and Design Lead
- [ ] Designer: Determine Figma workspace location for login designs
- Design Creation:
- [ ] Designer: Create responsive login interface designs (mobile, tablet, desktop)
- [ ] Designer: Document design specifications and interaction details
- [ ] Designer: Add design screenshots and Figma link to issue comments
- Review & Iteration:
- [ ] Designer: Submit for product review (tag PM and add "Ready for: Product" label)
- [ ] Product: Review designs and provide feedback
- [ ] Designer: Iterate on feedback until design approval received
- Dev Handoff:
- [ ] Designer: Create comprehensive engineering handoff documentation with specifications
- [ ] Designer and Product: Review designs with Dev team for technical feasibility
- [ ] Designer: Add final approved designs and documentation to parent user story #441
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### 📎 Resources & References

- Related User Story: [441]
- Brand Guidelines / Design System: [Link]
- Figma [Link]