Light Sources (max 4)
Add, color, drag & resize lights.
Double-click/tap empty area to cycle modes.
Double-click/tap a light to remove it.
Background color
• Drag a light to move it; drag the white corner square to resize.
• Change a light’s color via its picker in the list.
• Removing a light also removes it from the list & frees a slot.
• Modes: 1) hide side UI, 2) also hide borders & handles (lights still movable), 3) restore.
Double-click/tap empty area to cycle UI modes