(() => {
  const button = document.getElementById('loginBtn');
  if (!button) return;
  button.addEventListener('click', async (event) => {
    const name = document.getElementById('loginName')?.value.trim();
    const password = document.getElementById('loginPass')?.value || '';
    if (!name || !password) return;
    try {
      const response = await fetch('/api/auth/login', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ name, password }) });
      const result = await response.json();
      if (!response.ok) throw new Error(result.error || '登录失败');
      window.__manyiToken = result.token;
      window.__manyiUser = result.user;
      document.getElementById('login').style.display = 'none';
      document.getElementById('app').style.display = 'flex';
    } catch (error) { alert(error.message); }
  }, true);
})();