- Replace .border-l-4.border-gray-600 checks with .catcher-pill
- Update isExpanded prop references to isSelected
- Adjust expanded view tests for new side-by-side layout
- matchup-card-blue = runner full card
- matchup-card = catcher full card
- Fix deselection test to check isSelected prop (Transition keeps DOM during animation)
All 15 RunnersOnBase tests passing
All 16 RunnerCard tests passing
- Created RunnersOnBase.vue component with split layout (runners left, catcher right)
- Created RunnerCard.vue for individual runner cards with expand-in-place functionality
- Integrated component into GamePlay.vue (mobile and desktop layouts)
- Added team color computed properties for batting/fielding teams
- Component only shows when runners on base (hasRunners computed)
- Click runner card to expand in place and show full player card + catcher matchup
- Smooth CSS transitions and animations matching pitcher/batter card style
- Includes design documentation and HTML mockup for reference
