You are going to want more than 32" for the toilet. 36" is standard (and perhaps even code in some areas???? Not here in Maine but I heard people saying that on other forums...) We have 34" and it feels fine but I dont think I'd want to go much tighter. You could solve that simply by flipping the closet and shower. So, have your shower -rotated 90 degrees and witha glass end wall- at the end of the tub (which is a nice setup you can see in many bathrooms, the tub deck can actually protrude under the shower glass wall and be a ledge or seat in the shower). Then the passageway moves to the left, and you can steal a bit of space from the other closet for the toilet. Either that of have a shorter vanity. 48" isn't a size I'd fight for. It's too short for a double vanity, really (unless you're using one of the new two-faucet 'trough" styles) so why not go down to 42" and have a better toilet area? For resale, though, you should consider a double vanity. Some people I guess expert truly huge ones, like at least 5+' long. But you CAN get smaller ones, Ikea has some great ones for tight spaces. But if you're not selling anytime soon, do what YOU like!! (But I still think you'll want more toilet space...)

How luck you'd be if your tile was that nice soft tone of pink but often 1950's pink tile is much more bold or pinky beige and usually there is a whole mess of it. Here is a link to pink baths on Pinterest, some with the 1950's pink tile. Maybe you'll see something that inspires you. Maybe post a pic of your bath and tile? This may be a softer pink than your tile, but they really embraced it - I don't think it's tile, but you could carry the pink up the wall and onto the ceiling even, like this: or this with dark gray walls Maybe look for some really bold wallpaper that will take dominance over the tile... There is also a blog called Save the Pink Baths that you may want to look at. Here is a link that might be useful: pink baths

I like my first idea best as far as use of space. I know people say not to put toilets on an outside wall. We had one in our last house in Iowa, but we had 2X6 construction. I don't know how high your window is, but I'm guessing the toilet would fit under there. The shower would be 5 feet long or shorter if you want a wider space to get to the toilet. (kind of tight the way I have drawn). You could do a 5 and half foot long shower and do an angled door at the left end to allow room between the shower and toilet. The vanity would be about 7 feet long, unless you do a 60 inch vanity with a linen cabinet at the door. I would reverse entry door swing if you do that.. The second top right could work and you would still have a small closet. The bottom left plan would require waterproofing your front window. Hopefully someone will give you other ideas. The bottom right plan is bigger, but no closet. Each square equals 1 foot.

Can you solve the door issue for Room C by making it an outswing? When open it would then be against the wall with what I assume is some kind of air return / chase. In your bathroom you might also gain some privacy for the toilet by pushing the shower up towards the closet and then putting the toilet on the shower side. Then you can put the linen closet or cabinet across from the toilet (that could also hold toilet paper for when you realize you're out ;) Would be shallower but the back of a 40" deep linen closet would probably be fairly inaccessible anyway. Would perhaps be less private when using the vanity because of the mirror, but do you generally use the toilet when someone else is in the room anyway?