SIMPLE UI MADE BY ME OPENSOURCE CODE

-- Services
local RunService = game:GetService("RunService")
local TweenService = game:GetService("TweenService")
local UserInputService = game:GetService("UserInputService")

-- Create ScreenGui
local screenGui = Instance.new("ScreenGui")
screenGui.Name = "UniversalUIGUI"
screenGui.Parent = game.Players.LocalPlayer:WaitForChild("PlayerGui")
screenGui.ZIndexBehavior = Enum.ZIndexBehavior.Sibling
screenGui.ResetOnSpawn = false

task.wait(0.1)

local mainFrame = Instance.new("Frame")
mainFrame.Name = "MainFrame"
mainFrame.Size = UDim2.new(0, 400, 0, 300)
mainFrame.BackgroundColor3 = Color3.fromRGB(45, 45, 50)
mainFrame.BorderSizePixel = 0
mainFrame.ClipsDescendants = true
mainFrame.Parent = screenGui

local function centerFrame()
    if not screenGui or not mainFrame then return end
    if not screenGui.AbsoluteSize or not mainFrame.AbsoluteSize then return end
    
    local screenSize = screenGui.AbsoluteSize
    local frameSize = mainFrame.AbsoluteSize
    
    if screenSize.X > 0 and frameSize.X > 0 then
        local centerX = (screenSize.X - frameSize.X) / 2
        local centerY = (screenSize.Y - frameSize.Y) / 2
        
        mainFrame.Position = UDim2.fromOffset(centerX, centerY)
    end
end

task.spawn(function()
    task.wait(0.2)
    if mainFrame and mainFrame.Parent then