         borderRadius: '8px',
          fontFamily: 'Arial, sans-serif'
        },
        children: [
          {
            h2: {
              text: 'Registration Form',
              style: { textAlign: 'center', marginBottom: '30px', color: '#333' }
            }
          },
          {
            form: {
              onsubmit: (e) => {
                e.preventDefault();
                if (validateForm()) {
                  setState('form.submitted', true);
                  setState('form.messa