local player = game.Players.LocalPlayer
local humanoid

-- Wait for character and humanoid
local function setupHumanoid()
	local char = player.Character or player.CharacterAdded:Wait()
	humanoid = char:WaitForChild("Humanoid")
end

setupHumanoid()
player.CharacterAdded:Connect(setupHumanoid)

-- Create GUI
local gui = Instance.new("ScreenGui")
gui.Name = "SpeedGui"
gui.ResetOnSpawn = false
gui.Parent = player:WaitForChild("PlayerGui")

-- Toggle Button
local toggleButton = Instance.new("TextButton")
toggleButton.Size = UDim2.new(0, 100, 0, 40)
toggleButton.Position = UDim2.new(0, 20, 0, 20)
toggleButton.Text = "Toggle GUI"
toggleButton.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
toggleButton.TextColor3 = Color3.new(1, 1, 1)
toggleButton.Parent = gui

-- Main Frame
local mainFrame = Instance.new("Frame")
mainFrame.Size = UDim2.new(0, 350, 0, 120)
mainFrame.Position = UDim2.new(0, 140, 0, 20)
mainFrame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
mainFrame.Visible = true
mainFrame.Parent = gui

-- Label
local label = Instance.new("TextLabel")
label.Size = UDim2.new(1, 0, 0, 40)
label.Position = UDim2.new(0, 0, 0, 0)
label.Text = "WalkSpeed: 16"
label.TextColor3 = Color3.new(1, 1, 1)
label.BackgroundTransparency = 1
label.Font = Enum.Font.SourceSans
label.TextScaled = true
label.Parent = mainFrame

-- Slider Background
local sliderBG = Instance.new("Frame")
sliderBG.Size = UDim2.new(1, -40, 0, 20)
sliderBG.Position = UDim2.new(0, 20, 0, 60)
sliderBG.BackgroundColor3 = Color3.fromRGB(80, 80, 80)
sliderBG.BorderSizePixel = 0
sliderBG.Parent = mainFrame

-- Slider Knob
local sliderKnob = Instance.new("Frame")
sliderKnob.Size = UDim2.new(0, 20, 0, 20)
sliderKnob.Position = UDim2.new(0, 0, 0, 0)
sliderKnob.BackgroundColor3 = Color3.new(1, 0, 0)
sliderKnob.BorderSizePixel = 0
sliderKnob.Parent = sliderBG

-- Script Logic
local UIS = game:GetService("UserInputService")
local dragging = false
local minSpeed = 16
local maxSpeed = 200

local function updateWalkSpeed(x)
	local relativeX = math.clamp((x - sliderBG.AbsolutePosition.X) / sliderBG.AbsoluteSize.X, 0, 1)
	local speed = math.floor(minSpeed + (maxSpeed - minSpeed) * relativeX)
	
	sliderKnob.Position = UDim2.new(relativeX, -sliderKnob.Size.X.Offset / 2, 0, 0)
	label.Text = "WalkSpeed: " .. speed

	if humanoid then
		humanoid.WalkSpeed = speed
	end
end

sliderKnob.InputBegan:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = true
	end
end)

UIS.InputEnded:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 then
		dragging = false
	end
end)

UIS.InputChanged:Connect(function(input)
	if dragging and input.UserInputType == Enum.UserInputType.MouseMovement then
		updateWalkSpeed(input.Position.X)
	end
end)

-- Toggle GUI visibility
toggleButton.MouseButton1Click:Connect(function()
	mainFrame.Visible = not mainFrame.Visible
end)