RewriteEngine On

# Set directory index
DirectoryIndex login.php

# Redirect root to login.php
RewriteRule ^$ login.php [L]

# Rewrite /page to /page.php if page.php exists
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.*)$ $1.php [L]

# Handle static files
RewriteCond %{REQUEST_FILENAME} -f
RewriteRule ^ - [L]