document.addEventListener('DOMContentLoaded', function () {
    const loginForm = document.getElementById('loginForm');
    if(loginForm) {
        loginForm.addEventListener('submit', function (event) {
            if (!loginForm.checkValidity()) {
                event.preventDefault();
                event.stopPropagation();
            }
            loginForm.classList.add('was-validated');
        });
    }
});