Default screen stays clean (just a small scene button on the right rail). Tap it → a compact glass popover drops from the button with your backdrops. Spatial logic: top = the space, bottom = the outfit. Left phone = default, right = popover open.
0.9→1 + fades in over 220ms, cubic-bezier(.2,.8,.2,1), transform-origin top-right (grows out of the button). Thumbnails stagger-fade 25ms apart. Scene button gets the active ring.400ms ease-in-out, and the figure's rim-light retints in sync. Selected tile springs its white ring + check. Light haptic tick.500ms) or tap anywhere outside → popover scales 1→0.92 + fades over 160ms, collapsing back toward the button.Better fit? Confirm this + the screen-by-screen plan, and I'll lock the Mirror home and move to onboarding/body-capture as screen #1.