- 9-dot alignment grid for simultaneous primary + counter axis
- Direction buttons with SVG icons (vertical/horizontal/wrap)
- W/H sizing mode dropdowns (Fixed/Hug/Fill) with click-outside
- Uniform padding input with expand toggle for per-side padding
- Gap input with visual icon
- + / − to add/remove auto layout instead of triple toggle
- Sizing mode awareness: shows Fill option when inside auto-layout