.registration-form {
            background: #FFD700;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            padding-top:80px !important;
        }

        .card {
            max-width: 550px;
            width: 100%;
            padding: 30px;
            border-radius: 15px;
            background: #fff;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        .qr-code-card{
            max-width: 550px;
            width: 100%;
            padding: 10px !important;
            border-radius: 15px;
            background: #fff;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .form-control {
            border-radius: 8px;
        }

        .btn-primary {
            background: #FF8C00;
            border: none;
            font-size: 18px;
            font-weight: bold;
            padding: 12px;
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background: #FF7000;
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(255, 140, 0, 0.3);
        }

        .text-center h3 {
            color: #FF8C00;
            font-weight: bold;
        }

        /* Required field indicator */
        .required::after {
            content: " *";
            color: red;
        }

        /* Validation Styles */
        .error-message {
            color: red;
            font-size: 14px;
            display: none;
        }

        .is-invalid {
            border-color: red !important;
            background-color: #ffe6e6;
        }
        
 /* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .registration-form {
        padding: 10px;
        padding-top: 50px !important;
    }

    .container {
        flex-direction: column;
        padding: 0 0 !important;
    }

    .card {
        max-width: 110%;
        width: 100%;
        padding: 10px;
    }

    .btn-primary {
        font-size: 16px;
        padding: 10px;
    }

    .form-control {
        font-size: 16px;
    }

    .col-md-6 {
        width: 100%;
    }

    .error-message {
        font-size: 12px;
    }

    img {
        height: auto;
        width: 100%;
        margin-left: 0;
    }

    .registration-form h3,
    .registration-form p {
        font-size: 18px;
        text-align: center;
    }
}
@media (max-width: 480px) {
    .card {
        max-width: 120%;
    }
}