[Frontend] Design-system Button/Input hardcode blue-600/blue-500 (and focus ring) while the app accent is indigo and globals.css exposes a --focus-ring token

[grantfox-oss]

Telegram (ask questions / claim the issue here first): https://t.me/+DOylgFv1jyJlNzM0

Why this matters

frontend/src/app/components/ui/Button.tsx primary variant is bg-blue-600 hover:bg-blue-700 and both Button and ui/Input.tsx hardcode focus-visible:ring-blue-500. Yet the app's primary accent is indigo across 38 files (e.g. send-remittance/page.tsx uses indigo-600 links, the loan-wizard steps, and many ui/* components), and frontend/src/app/globals.css defines a --focus-ring (#2563eb) token consumed via focus-visible:ring-focus-ring in 3 files. The result is a primary CTA whose hue and focus ring diverge from the surrounding brand accent and from the documented token.

Acceptance criteria

• Pick one accent (indigo or the --focus-ring token) and make ui/Button.tsx primary + ui/Input.tsx focus ring use it consistently
• Route focus-ring colors through the existing --focus-ring token rather than hardcoded ring-blue-500
• Audit indigo-vs-blue usages so primary buttons match the page accent

Files to touch

• frontend/src/app/components/ui/Button.tsx
• frontend/src/app/components/ui/Input.tsx
• frontend/src/app/globals.css
• frontend/src/app/[locale]/send-remittance/page.tsx

Out of scope

• Full rebrand / new color palette
• Dark-mode contrast tuning beyond the accent swap

[amosleoamadi]

@amosleoamadi has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Maintainer I would love to work on this please

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[Peaostrel]

@Peaostrel has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

i can handle this quickly

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[Ojukwu-Chinedu]

@Ojukwu-Chinedu has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Hello maintainer, I can handle this issue.

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