"Keep the current script, make an addon where the whole GUI looks overall nicer, right now its really bland and small and heard to tell what you're looking at. Make it more detailed please."

-- local script (StarterGUI) 
local player = game.Players.LocalPlayer
local screenGui = Instance.new("ScreenGui", player.PlayerGui)
local userInputService = game:GetService("UserInputService")

-- Inventory Frame
local inventoryFrame = Instance.new("Frame", screenGui)
inventoryFrame.Size = UDim2.new(0, 400, 0, 400)
inventoryFrame.Position = UDim2.new(0.5, -200, 0.5, -200)
inventoryFrame.BackgroundColor3 = Color3.fromRGB(70, 70, 70)
inventoryFrame.BackgroundTransparency = 0.2
inventoryFrame.BorderColor3 = Color3.fromRGB(255, 255, 255)
inventoryFrame.BorderSizePixel = 3
inventoryFrame.Visible = false

-- Inventory Slots
for i = 1, 9 do
  local slot = Instance.new("ImageButton", inventoryFrame)
  slot.Size = UDim2.new(0, 40, 0, 40)
  slot.Position = UDim2.new(0, (i - 1) * 44, 0, 0)
  slot.BackgroundColor3 = Color3.fromRGB(200, 200, 200)
  slot.BorderColor3 = Color3.fromRGB(255, 255, 255)
  slot.BorderSizePixel = 2
end

-- Crafting Frame
local craftingFrame = Instance.new("Frame", screenGui)
craftingFrame.Size = UDim2.new(0, 400, 0, 400)
craftingFrame.Position = UDim2.new(0.5, -200, 0.5, 200)
craftingFrame.BackgroundColor3 = Color3.fromRGB(70, 70, 70)
craftingFrame.BackgroundTransparency = 0.2
craftingFrame.BorderColor3 = Color3.fromRGB(255, 255, 255)
craftingFrame.BorderSizePixel = 3
craftingFrame.Visible = false

-- Crafting Slots
for i = 1, 9 do
  local slot = Instance.new("ImageButton", craftingFrame)
  slot.Size = UDim2.new(0, 40, 0, 40)
  slot.Position = UDim2.new(0, (i - 1) * 44, 0, 0)
  slot.BackgroundColor3 = Color3.fromRGB(200, 200, 200)
  slot.BorderColor3 = Color3.fromRGB(255, 255, 255)
  slot.BorderSizePixel = 2
end

-- Function to toggle visibility of inventory and crafting frames
local function toggleInventory(input)
  if input.KeyCode == Enum.KeyCode.I then
    inventoryFrame.Visible = not inventoryFrame.Visible
    craftingFrame.Visible = not craftingFrame.Visible
  end
end

-- Bind function to key press event
userInputService.InputBegan:Connect(toggleInventory)