- **ChapterSelector and BibleReader breadcrumbs**: Changed mb-8 to mb-4
- **BookSelector breadcrumb**: Already had mb-4
- **Consistent vertical spacing**: All pages now have identical gap between search bar and breadcrumbs
- **Visual harmony**: Uniform 16px spacing between search and navigation elements
Search to breadcrumb spacing is now perfectly consistent across Books, Chapters, and Verses pages!
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