document.addEventListener('click', (e) => {
    const t = e.target;

    // password toggle
    if (t && t.matches('[data-toggle="password"]')) {
        const pw = document.getElementById('password');
        if (!pw) return;

        const isPw = pw.type === 'password';
        pw.type = isPw ? 'text' : 'password';
        t.textContent = isPw ? '숨기기' : '보기';
        return;
    }
});

document.addEventListener('submit', (e) => {
    const form = e.target;
    if (!form || !form.matches('[data-form="login"]')) return;

    const btn = form.querySelector('[data-submit]');
    if (btn) {
        btn.disabled = true;
        btn.dataset.original = btn.textContent;
        btn.textContent = '처리 중...';
    }
});