RewriteEngine On
RewriteBase /lla/

# /lla/abc123 -> /lla/redii.php?id=abc123
RewriteRule ^([A-Za-z0-9\-_]+)/?$ redii.php?id=$1 [L,QSA]

# Optional: hide internal files
<FilesMatch "^(click_log\.txt|codes\.json)$">
  Require all denied
</FilesMatch>