body {
      font-family: 'Roboto', sans-serif;
      background: linear-gradient(135deg, #4b6cb7, #182848);
      height: 100vh;
      margin: 0;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .login-box {
      background: #fff;
      padding: 40px 30px;
      border-radius: 12px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
      width: 360px;
      text-align: center;
    }

    .login-box h2 {
      margin-bottom: 25px;
      color: #333;
    }

    .login-box input {
      box-sizing: border-box;
      width: 100%;
      padding: 12px 15px;
      margin: 10px 0;
      border: 1px solid #ccc;
      border-radius: 8px;
      font-size: 16px;
      transition: border-color 0.3s;
    }

    .login-box input:focus {
      border-color: #4b6cb7;
      outline: none;
    }

    .login-box button {
      width: 100%;
      padding: 12px;
      background: #4b6cb7;
      border: none;
      color: white;
      font-size: 16px;
      border-radius: 8px;
      cursor: pointer;
      transition: background 0.3s;
    }

    .login-box button:hover {
      background: #3f59a8;
    }

    #login-status {
      margin-top: 12px;
      font-size: 14px;
      color: red;
    }