**Modern, secure URL shortener with password protection**
## Features
- Shorten long URLs to 6-character codes
- Optional password protection per link
- Click tracking
- Admin panel
- Pretty URLs with .htaccess
- GREEN theme design
## Security
✅ PDO Prepared Statements
✅ CSRF Protection
✅ XSS Prevention (htmlspecialchars)
✅ Bcrypt Password Hashing
✅ IP Encryption (AES-256-CBC)
✅ Secure Sessions
