I have a couple of design dilemmas about the window wall in our kitchen renovation. Would appreciate some opinions! Our house is a 1970's bungalow and the kitchen overlooks a sunken family room. The kitchen was L-shaped and we used a freestanding IKEA island against the railing over the family room for years to give us some counter space. Now we're turning it into a proper U-shape, adding a pony wall and lower cabinets backing onto the family room.

Note: The pony wall will be clad in walnut veneer plywood on the family room side, wrapping over and down to the countertop on the kitchen side. So no quartz backsplash along that counter.

We will have 40" upper cabinets on the left wall and are planning for the solid surface (same as counter) backsplash to come up to the bottom of the uppers The new window sill will also be quartz, overhanging the backsplash behind the sink.

The two things I'm having trouble with are:

• How to handle the window trim, given that we're no longer going to also have trim below the window. Should we take the backsplash right to the window and trim only above? I think this might look strange. Or stop the backsplash a little further to the left and trim the window (maybe a narrow trim rather than our usual 4") right down to the quartz sill? The backsplash is 2 cm thick and window trim is usually quite shallow, so do we find a way to build the window trim deeper?

• How high to continue the backsplash to the right of the window, over to the pony wall. My husband suggested continuing the low height that is under the window. That would mean our switches and plug are on drywall and this would save on quartz. But will it look unbalanced? We might want to put up some floating shelves on that wall once everything else is in place. I've thought about keeping the high backsplash and starting the lowest shelf right at the top of it. But I think having 2cm-thick backsplash that high on a wall with no upper cabinet might also look strange. The wall continues into the family room.

Images below (pink is quartz), thanks for your input!