Fix Applied

Changes Made

✓ Membership levels fixed: 4 remaining

✓ user/includes/header.php

✓ user/includes/sidebar.php

✓ user/includes/footer.php

✓ user/pages/dashboard.php

✓ admin/includes/header.php

✓ admin/includes/footer.php

✓ admin/pages/dashboard.php (theme toggle added)

DELETE THIS FILE!
Fixed: Duplicate membership levels removed.
Added: Dark/Light mode toggle (moon/sun icon) in topbar for both user and admin dashboards. Theme persists via localStorage.