- White pieces: 0.5px #444 stroke (subtler outline, looks more solid)
- Coordinates: moved outside board (bottom -22px, left -20px)
- Coords larger (12px), centered, light grey (#aaa)
- Board wrapper: padding for coord space (22px left, 22px bottom)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>