Fix search form accessibility, design tokens, and AntD consistency

[marcodejongh]

• Replace hardcoded box-shadow rgba values with AntD CSS custom property
  tokens (--ant-box-shadow, --ant-box-shadow-secondary, --ant-box-shadow-tertiary)
• Add keyboard accessibility (role, tabIndex, onKeyDown) to collapsed
  section cards so keyboard users can expand them with Enter/Space
• Replace native with AntD for the clear
  all button to align with codebase component conventions

https://claude.ai/code/session_01GKFZkWeR3LcvHfpkHnVhF2

[vercel]

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Project	Deployment	Actions	Updated (UTC)
boardsesh	Building		Feb 7, 2026 11:58am

[claude]

Claude Review

✅ Ready to merge - Minor issues noted below, but nothing blocking.

Issues

1. CSS !important overuse (search-dropdown.module.css:18-28): Seven !important declarations to override AntD Button styles. Consider using AntD's ConfigProvider or a custom CSS class with higher specificity instead, as !important can make future styling changes difficult.

2. Missing focus styles (accordion-search-form.tsx:342-358): Added keyboard accessibility with tabIndex={0} and role="button", but no visible focus indicator styles were added to .sectionCard. Keyboard users won't see which card is focused. Add :focus-visible styles to the CSS.

Notes

• Documentation update not required - changes don't affect any documented systems.
• No new tests needed - these are CSS/accessibility improvements to existing UI components.