DROP TABLE IF EXISTS submission_documents;
DROP TABLE IF EXISTS onboarding_submissions;
DROP TABLE IF EXISTS employees;
DROP TABLE IF EXISTS designations;
DROP TABLE IF EXISTS departments;
DROP TABLE IF EXISTS role_permissions;
DROP TABLE IF EXISTS user_roles;

ALTER TABLE users
    DROP COLUMN IF EXISTS full_name,
    DROP COLUMN IF EXISTS phone,
    DROP COLUMN IF EXISTS email_verified,
    DROP COLUMN IF EXISTS phone_verified,
    DROP COLUMN IF EXISTS deleted_at;
