-- Services
local Players = game:GetService("Players")

-- Player setup
local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")

-- SPEED SETTINGS
local NORMAL_SPEED = 36
local BOOST_SPEED = 45
local BOOST_TIME = 10 -- ⏱️ 10 seconds

-- Force normal speed on spawn
humanoid.WalkSpeed = NORMAL_SPEED

-- GUI
local playerGui = player:WaitForChild("PlayerGui")

local screenGui = Instance.new("ScreenGui")
screenGui.Name = "SpeedBoostGui"
screenGui.ResetOnSpawn = true
screenGui.Parent = playerGui

local boostButton = Instance.new("TextButton")
boostButton.Parent = screenGui
boostButton.Size = UDim2.new(0, 70, 0, 70)
boostButton.Position = UDim2.new(1, -80, 0, 10) -- TOP RIGHT
boostButton.BackgroundColor3 = Color3.fromRGB(9, 199, 223)
boostButton.Text = "SPEED BOOST"
boostButton.TextScaled = true
boostButton.TextColor3 = Color3.new(1, 1, 1)
boostButton.Font = Enum.Font.GothamBold
boostButton.BorderSizePixel = 0

local corner = Instance.new("UICorner")
corner.CornerRadius = UDim.new(1, 0)
corner.Parent = boostButton

-- Animation
local boostAnim = Instance.new("Animation")
boostAnim.AnimationId = "rbxassetid://113633905787067"
local boostTrack = humanoid:LoadAnimation(boostAnim)
boostTrack.Priority = Enum.AnimationPriority.Action

-- Boost variables
local boostEndTime = 0

-- Boost function with stacking
local function activateBoost()
    -- Play animation
    boostTrack:Play()

    -- Apply speed boost
    humanoid.WalkSpeed = BOOST_SPEED

    -- Stop animation shortly after
    task.delay(0.5, function()
        boostTrack:Stop()
    end)

    -- Extend boost duration
    boostEndTime = math.max(boostEndTime, tick() + BOOST_TIME)

    -- Coroutine to reset speed
    coroutine.wrap(function()
        while tick() < boostEndTime do
            task.wait(0.1)
        end
        humanoid.WalkSpeed = NORMAL_SPEED
    end)()
end

-- Button press
boostButton.MouseButton1Click:Connect(activateBoost)