local Players = game:GetService("Players")
local TweenService = game:GetService("TweenService")
local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()

-- GUI Setup
local screenGui = Instance.new("ScreenGui", player:WaitForChild("PlayerGui"))
screenGui.Name = "StudGrinderUI"
screenGui.ResetOnSpawn = false

-- Main Frame
local mainFrame = Instance.new("Frame")
mainFrame.Size = UDim2.new(0, 250, 0, 180)
mainFrame.Position = UDim2.new(0.3, 0, 0.2, 0)
mainFrame.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
mainFrame.BorderSizePixel = 0
mainFrame.Active = true
mainFrame.Draggable = true
mainFrame.Parent = screenGui
mainFrame.Name = "MainFrame"
mainFrame.Visible = true

-- Frame UI Corner
local uiCorner = Instance.new("UICorner", mainFrame)
uiCorner.CornerRadius = UDim.new(0, 10)

-- Title Label
local title = Instance.new("TextLabel")
title.Text = "Stud Grinder v2 script by MRWHITE_BOBO"
title.Size = UDim2.new(1, 0, 0, 30)
title.BackgroundTransparency = 1
title.TextColor3 = Color3.new(1, 1, 1)
title.Font = Enum.Font.GothamBold
title.TextSize = 18
title.Parent = mainFrame

-- Close Button
local closeButton = Instance.new("TextButton")
closeButton.Text = "X"
closeButton.Size = UDim2.new(0, 30, 0, 30)
closeButton.Position = UDim2.new(1, -30, 0, 0)
closeButton.BackgroundColor3 = Color3.fromRGB(200, 50, 50)
closeButton.TextColor3 = Color3.new(1, 1, 1)
closeButton.Font = Enum.Font.Gotham
closeButton.TextSize = 14
closeButton.Parent = mainFrame
Instance.new("UICorner", closeButton).CornerRadius = UDim.new(0, 5)

-- Minimize Button
local minimizeButton = Instance.new("TextButton")
minimizeButton.Text = "-"
minimizeButton.Size = UDim2.new(0, 30, 0, 30)
minimizeButton.Position = UDim2.new(1, -60, 0, 0)
minimizeButton.BackgroundColor3 = Color3.fromRGB(100, 100, 100)
minimizeButton.TextColor3 = Color3.new(1, 1, 1)
minimizeButton.Font = Enum.Font.Gotham
minimizeButton.TextSize = 14
minimizeButton.Parent = mainFrame
Instance.new("UICorner", minimizeButton).CornerRadius = UDim.new(0, 5)

-- Minimized Button
local minimizedButton = Instance.new("TextButton")
minimizedButton.Text = "📦"
minimizedButton.Size = UDim2.new(0, 40, 0, 40)
minimizedButton.Position = UDim2.new(0, 10, 0.5, -20)
minimizedButton.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
minimizedButton.TextColor3 = Color3.new(1, 1, 1)
minimizedButton.Font = Enum.Font.GothamBold
minimizedButton.TextSize = 20
minimizedButton.Visible = false
minimizedButton.Parent = screenGui
Instance.new("UICorner", minimizedButton).CornerRadius = UDim.new(0, 10)

-- Start Grinding Button
local startButton = Instance.new("TextButton")
startButton.Text = "Start Grinding"
startButton.Size = UDim2.new(0.8, 0, 0, 40)
startButton.Position = UDim2.new(0.1, 0, 0.5, -20)
startButton.BackgroundColor3 = Color3.fromRGB(50, 150, 250)
startButton.TextColor3 = Color3.new(1, 1, 1)
startButton.Font = Enum.Font.GothamBold
startButton.TextSize = 16
startButton.Parent = mainFrame
Instance.new("UICorner", startButton).CornerRadius = UDim.new(0, 8)

-- Button Actions
closeButton.MouseButton1Click:Connect(function()
	screenGui:Destroy()
end)

minimizeButton.MouseButton1Click:Connect(function()
	mainFrame.Visible = false
	minimizedButton.Visible = true
end)

minimizedButton.MouseButton1Click:Connect(function()
	mainFrame.Visible = true
	minimizedButton.Visible = false
end)

-- Grinding Logic
local grinding = false

local function teleportToPosition(pos)
	if player.Character and player.Character:FindFirstChild("HumanoidRootPart") then
		player.Character:MoveTo(pos)
	end
end

local function teleportToPart(part)
	if player.Character and player.Character:FindFirstChild("HumanoidRootPart") then
		player.Character:MoveTo(part.Position)
	end
end

startButton.MouseButton1Click:Connect(function()
	if grinding then return end
	grinding = true
	
	-- Initial teleport
	teleportToPosition(Vector3.new(-43.1, 4.0, 12860.2))
	
	task.wait(1)

	while grinding do
		local studPart = workspace:FindFirstChild("Stud9")
		if studPart then
			teleportToPart(studPart)
		else
			grinding = false
			warn("Stopped grinding. Stud9 not found.")
		end
		task.wait(1)
	end
end)