local function vu30()
    local v17 = Instance.new("ScreenGui")
    v17.Parent = game.Players.LocalPlayer:WaitForChild("PlayerGui")

    local vu18 = Instance.new("TextButton")
    vu18.Size = UDim2.new(0, 100, 0, 25)
    vu18.Position = UDim2.new(0.5, -50, 0.1, 0)
    vu18.Text = "Invisible"
    vu18.Font = Enum.Font.GothamBold
    vu18.TextSize = 14
    vu18.TextColor3 = Color3.fromRGB(255, 255, 255)
    vu18.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
    vu18.BorderColor3 = Color3.fromRGB(0, 0, 0)
    vu18.BorderSizePixel = 2 -- make outline visible
    vu18.Parent = v17

    -- UICorner
    local corner = Instance.new("UICorner")
    corner.CornerRadius = UDim.new(0, 100)
    corner.Parent = vu18

    -- Dragable
    local UserInputService = game:GetService("UserInputService")
    local dragging = false
    local dragInput, dragStart, startPos

    local function update(input)
        local delta = input.Position - dragStart
        vu18.Position = UDim2.new(
            startPos.X.Scale, startPos.X.Offset + delta.X,
            startPos.Y.Scale, startPos.Y.Offset + delta.Y
        )
    end

    vu18.InputBegan:Connect(function(input)
        if input.UserInputType == Enum.UserInputType.MouseButton1 then
            dragging = true
            dragStart = input.Position
            startPos = vu18.Position

            input.Changed:Connect(function()
                if input.UserInputState == Enum.UserInputState.End then
                    dragging = false
                end
            end)
        end
    end)

    vu18.InputChanged:Connect(function(input)
        if input.UserInputType == Enum.UserInputType.MouseMovement then
            dragInput = input
        end
    end)

    UserInputService.InputChanged:Connect(function(input)
        if input == dragInput and dragging then
            update(input)
        end
    end)

    -- Toggle transparency
    vu18.MouseButton1Click:Connect(function()
        vu9 = not vu9
        for _, part in pairs(vu10) do
            part.Transparency = part.Transparency == 0 and 0.5 or 0
        end
    end)
end