body {
      background: linear-gradient(to right, darkred, red);
      height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .card {
      padding: 30px;
      border-radius: 15px;
      box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
      background-color: #fff;
    }
    .form-control {
      position: relative;
    }
    .eye-icon {
      position: absolute;
      right: 15px;
      top: 50%;
      transform: translateY(-50%);
      cursor: pointer;
      color: #888;
    }
    .form-group {
      position: relative;
    }