Add responsive mobile navigation drawer

[FaveTeamz]

Overview

Replace the sidebar with a slide-in drawer on small screens.

Tasks

• Detect screen size with a useMediaQuery hook
• Hamburger icon in top nav opens the drawer on mobile
• Drawer closes on backdrop click or nav link click
• Keyboard accessible (focus trap, Escape to close)

Acceptance Criteria

• Drawer opens/closes correctly on mobile
• Keyboard navigation works fully
• No layout issues on screen widths below 480px

[badmusdare4]

@badmusdare4 has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello, I’ve reviewed the requirements in detail and am confident I can deliver a solution that meets the expected functionality and acceptance criteria. I’d appreciate it if you could assign this issue to me.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @badmusdare4 to this issue.

[miriamisa022-cyber]

@miriamisa022-cyber has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hello maintainer, i would like to work on this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @miriamisa022-cyber to this issue.

[drips-wave]

Congratulations, @miriamisa022-cyber! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on July 30, 2026.

🧑‍💻 @miriamisa022-cyber: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

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🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @miriamisa022-cyber as part of the Stellar Wave Program's 7th Wave 🥳

😎 @miriamisa022-cyber: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

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