- Change Tailwind CSS configuration from neutral to slate base color
- Rename style.css to theme.css for better organization
- Update main.js to import the new theme.css file
- Refactor design tokens in style.css with updated color palette
- Replace old color variables with new oklch-based color system
- Add shadcn compatibility variables for component styling
- Update primary, secondary, and accent colors with new values
- Modify destructive, border, input, and ring color definitions
