- Add renderGame() guard during deal animation to prevent DOM destruction
mid-animation causing cards to pile up at wrong positions
- Push lobby content below fixed auth-bar (padding 15px -> 50px top)
- Scale player card font-size to 1.5rem/1.3rem for readable text on mobile
- Add full mobile portrait layout: bottom drawers, compact header, responsive
card grid sizing, safe-area insets, and mobile detection via matchMedia
- Add cardFontSize() helper for consistent proportional font scaling
- Add mobile bottom bar with drawer toggles for standings/scores
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>