Potentially, but it will require the use of some JavaScript for brute force the arrangement of the views. A similar approach is used to move a view that is used as a header to be above a tab control since K2 puts tabs at the top, so a more involved rearrangement should be possible.
Here is a blog post that covers moving a view above the tab control as a starting point.
So, the short answer, no, not with currently delivered designer tooling.
Yes, it is possible, but not directly. It requires some CSS tweaks and adjustments. We have implemented similar solutions for several of our customers.
Please feel free to reach out to the ProInception team if you need any support. We would be happy to help.