- Streamlined track controls and master controls to same width (240px) - Fixed track controls container to use full width of parent column - Matched TrackControls card structure with MasterControls (gap-3, no w-full/h-full) - Updated outer container padding from p-2 to p-4 with gap-4 - Adjusted track controls wrapper to center content instead of stretching - Added max-width constraint to PlaybackControls to prevent width changes - Centered transport control buttons in footer 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>