<IfModule mod_headers.c>
    Header set Access-Control-Allow-Origin "*"
    Header set Access-Control-Allow-Methods "GET, POST, OPTIONS, PUT, DELETE"
    Header set Access-Control-Allow-Headers "Origin, X-Requested-With, Content-Type, Accept, Authorization"
    Header set X-XSS-Protection "1; mode=block"
    Header set X-Frame-Options "SAMEORIGIN"
    Header set X-Content-Type-Options "nosniff"
    Header set Referrer-Policy "strict-origin-when-cross-origin"
</IfModule>

# Handle Preflight Requests
RewriteEngine On
RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule ^(.*)$ $1 [R=200,L]

# Disable directory listing
Options -Indexes

# Protect sensitive files
<FilesMatch "^(db_config\.php|db\.php|\.htaccess|\.env)$">
    Require all denied
</FilesMatch>
