Improve readability - cleaner design with better contrast

- Removed animated starfield background
- Simplified color scheme for better contrast
- Removed excessive gradient/glow effects
- Cleaner typography with better spacing
- More readable font sizes
- Dark theme but easier on the eyes

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: prompt-stack