- Reverted buttons to two rows (R/S/M and A/E) for better organization - Changed button borders from 'rounded' to 'rounded-md' for consistency - Centered pan knob and fader in their containers - Increased spacing from gap-1.5 py-1.5 to gap-2 py-2 - Increased default track height from 300px to 320px - Increased minimum track height from 220px to 240px - All buttons now clearly visible with proper spacing 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>