Hi
runematic
From the images, it looks like your temperature of oven vs the stone is out of kilter.
It looks like the base is wanting to over-cook on the bottom while you are trying to get the top of the crust done. I.e. the oven dome (air space) is not hot enough and/or the stone is too hot - my guess is the dome is too cool. This means you are having to keep it in the oven too long to cook the top and that is leading to the pizza dough looking a little overdone (image 3 - it looks like it almost ran away from you and appears to becoming a little dry from the over cooking).
Not sure on your oven make - but a potential way to rectify would be to let the oven heat a little longer to see if you can get some heat into the upper space, then make sure the stone has settled to the right temp before loading the pizza.