   body {
            background-color: #f4f7fc;
            font-family: 'Arial', sans-serif;
            margin: 0;
            padding: 0;
            height: 100%;
        }

        .container {
            margin-top: 30px;
            padding-bottom: 20px;
        }

        .card {
            border-radius: 8px;
            box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
            padding: 20px 15px;
        }

        h2 {
            font-size: 26px;
            color: #333;
            margin-bottom: 15px;
        }

        .form-group label {
            font-size: 13px;
            color: #555;
        }

        .form-control {
            border-radius: 5px;
            font-size: 14px;
            padding: 10px;
        }

        .btn-block {
            padding: 10px;
            font-size: 14px;
            border-radius: 5px;
        }

        .btn-primary {
            background-color: #007bff;
            border: none;
        }

        .btn-primary:hover {
            background-color: #0056b3;
        }

        .card-body {
            padding: 15px 20px;
        }

        .login-link {
            text-align: center;
            margin-top: 10px;
        }

        .login-link a {
            color: #007bff;
            text-decoration: none;
        }

        .login-link a:hover {
            text-decoration: underline;
        }

        .form-group {
            margin-bottom: 10px;
            align-self: center;
        }

        .form-container {
            display: none;
            align-content: center;
            width: 100%;
        }

        .form-container.active {
            display: block;
        }

        /* Make sure the form looks good on smaller screens */
        @media (max-width: 768px) {
            .card {
                padding: 15px; /* Adjust padding for mobile */
                margin: 0 10px; /* Add margin to prevent form from touching edges */
            }

            h2 {
                font-size: 22px; /* Slightly smaller heading on mobile */
            }

            .form-control {
                padding: 12px; /* More padding for better touch experience */
                font-size: 16px; /* Larger text for better readability */
            }

            .btn-primary {
                font-size: 16px; /* Larger button text on mobile */
                padding: 12px;
            }

            .container {
                padding: 10px; /* Reducing padding on mobile */
            }

            .login-link {
                font-size: 14px; /* Slightly smaller text for mobile links */
            }
        }

        /* Make form container responsive */
        @media (min-width: 576px) {
            .container {
                width: 100%;
                max-width: 450px; /* Limiting max-width to 450px for better form fitting */
            }
        }

        /* App icon styling */
        .app-icon {
            width: 80px; /* Adjust the size of the app icon */
            height: 80px;
            border-radius: 50%;
            display: block;
            margin: 0 auto 20px; /* Center the icon and add space below */
        }