local Players = game:GetService("Players")
local LocalPlayer = Players.LocalPlayer

local enabled = false
local highlights = {}

-- create UI
local screenGui = Instance.new("ScreenGui", LocalPlayer:WaitForChild("PlayerGui"))

local button = Instance.new("TextButton")
button.Size = UDim2.new(0, 150, 0, 50)
button.Position = UDim2.new(0, 20, 0, 20)
button.Text = "ESP: OFF"
button.Parent = screenGui

local function clearHighlights()
	for _, h in pairs(highlights) do
		if h then h:Destroy() end
	end
	highlights = {}
end

local function applyHighlights()
	for _, player in pairs(Players:GetPlayers()) do
		if player ~= LocalPlayer and player.Character then
			local highlight = Instance.new("Highlight")
			highlight.FillColor = Color3.fromRGB(0, 255, 0)
			highlight.OutlineColor = Color3.fromRGB(255, 255, 255)
			highlight.Parent = player.Character
			
			table.insert(highlights, highlight)
		end
	end
end

button.MouseButton1Click:Connect(function()
	enabled = not enabled
	
	if enabled then
		button.Text = "ESP: ON"
		applyHighlights()
	else
		button.Text = "ESP: OFF"
		clearHighlights()
	end
end)