body {
      margin: 0;
      font-family: Arial, sans-serif;
      background: linear-gradient(120deg, #2f2f2f, #1a1a1a);
      color: #fff;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }
    .login-box {
      background: #222;
      padding: 40px;
      border-radius: 8px;
      box-shadow: 0 0 20px rgba(0,0,0,0.5);
      width: 100%;
      max-width: 400px;
    }
    .login-box h2 {
      text-align: center;
      margin-bottom: 30px;
    }
    .login-box input[type="text"],
    .login-box input[type="password"] {
      width: 100%;
      padding: 12px;
      margin: 10px 0;
      border: none;
      border-radius: 4px;
      background: #333;
      color: #fff;
    }
    .login-box button {
      width: 100%;
      padding: 12px;
      background: #f05a28;
      border: none;
      border-radius: 4px;
      font-size: 16px;
      cursor: pointer;
      color: #fff;
      transition: background 0.3s;
    }
    .login-box button:hover {
      background: #d04d20;
    }