body {
      background: #f8f9fa;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }
    .card {
      width: 380px;
      border-radius: 15px;
      box-shadow: 0px 4px 12px rgba(0,0,0,0.1);
    }
    .form-control {
      border-radius: 10px;
    }
    .btn-custom {
      border-radius: 10px;
    }