I need this screen designed for the customer to show ( Total / Due amount )

And not only the total because the customers are getting confused, in this case, the customer already paid 50% of the estimate.

I understand that on the top right corner of the invoice it shows Due Amount But this is quite useless, because on the phone, they cannot see it, and they cannot zoom in to see it.

I’ve already modified my invoices in a way that they can see a bigger numbers and color them in red, but this is not quite working as well