function Manager:render(area)
	local chunks = self:layout(area)

	local bar = function(c, x, y)
		x, y = math.max(0, x), math.max(0, y)
		return ui.Bar(ui.Rect({ x = x, y = y, w = ya.clamp(0, area.w - x, 1), h = math.min(1, area.h) }), ui.Bar.TOP)
			:symbol(c)
	end

	return ya.flat({
		-- Borders
		ui.Border(area, ui.Border.ALL):type(ui.Border.ROUNDED),
		ui.Bar(chunks[1], ui.Bar.RIGHT),
		ui.Bar(chunks[3], ui.Bar.LEFT),

		bar("┬", chunks[1].right - 1, chunks[1].y),
		bar("┴", chunks[1].right - 1, chunks[1].bottom - 1),
		bar("┬", chunks[2].right, chunks[2].y),
		bar("┴", chunks[2].right, chunks[1].bottom - 1),

		-- Parent
		Parent:render(chunks[1]:padding(ui.Padding.xy(1))),
		-- Current
		Current:render(chunks[2]:padding(ui.Padding.y(1))),
		-- Preview
		Preview:render(chunks[3]:padding(ui.Padding.xy(1))),
	})
end