body {
    margin: 0;
    font-family: 'Sarabun', sans-serif;
    background-color: #f2f8fc;
  }

  header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
  }

  .logo img {
    height: 88px;
  }

  .menu a {
    margin-left: 30px;
    text-decoration: none;
    color: #000;
    font-size: 14px;
  }

  .container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 120px);
  }

  .login-box {
    background-color: #fff;
    padding: 40px 30px;
    border-radius: 10px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    text-align: center;
  }

  .login-box img {
    width: 120px;
    margin-bottom: 20px;
  }

  .input-group {
    position: relative;
    margin-bottom: 20px;
    text-align: left;
  }

  .input-group label {
    font-size: 14px;
    margin-bottom: 5px;
    display: block;
    color: #333;
  }

  .input-group input {
    width: 100%;
    padding: 10px 0px 10px 15px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
  }

  .input-group .icon {
    position: absolute;
    right: 15px;
    top: 31px;
    font-size: 16px;
    color: #999;
  }

  .actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 14px;
  }

  .login-button {
    background-color: #007bff;
    color: white;
    padding: 12px;
    font-size: 16px;
    width: 100%;
    border: none;
    border-radius: 6px;
    cursor: pointer;
  }

  .login-button:hover {
    background-color: #0056b3;
  }

  footer {
    text-align: center;
    font-size: 12px;
    color: #888;
    padding: 20px 10px;
  }

  /* Responsive */
  @media (max-width: 768px) {
    header {
      flex-direction: column;
      align-items: flex-start;
    }
    .menu {
      margin-top: 10px;
    }
  }