local Library = {}  -- Struktur dasar sesuai kode awal Anda

--------------------------------------------------
-- SERVICES & VARIABLES
--------------------------------------------------
local RunService         = game:GetService("RunService")
local TweenService       = game:GetService("TweenService")
local UserInputService   = game:GetService("UserInputService")
local HttpService        = game:GetService("HttpService")
local Players            = game:GetService("Players")
local MarketplaceService = game:GetService("MarketplaceService")
local LocalizationService = game:GetService("LocalizationService")

local LocalPlayer = Players.LocalPlayer
local GameName = MarketplaceService:GetProductInfo(game.PlaceId).Name
local NameID = LocalPlayer.Name

--------------------------------------------------
-- UTILITY FUNCTIONS
--------------------------------------------------
local utility = {}
function utility:Tween(instance, properties, duration, ...)
    TweenService:Create(instance, TweenInfo.new(duration, ...), properties):Play()
end

-- Fungsi untuk memulai animasi border RGB (efek dinamis)
local function startDynamicBorder(uiElement)
    local hue = 0
    spawn(function()
        while uiElement and uiElement.Parent do
            uiElement.BorderColor3 = Color3.fromHSV(hue, 1, 1)
            hue = (hue + 0.005) % 1
            RunService.RenderStepped:Wait()
        end
    end)
end

-- Fungsi untuk membuat loading screen sederhana
local function createLoadingScreen()
    local sg = Instance.new("ScreenGui")
    sg.Name = "LoadingScreen"
    sg.ResetOnSpawn = false
    sg.Parent = game.CoreGui

    local frame = Instance.new("Frame", sg)
    frame.Name = "LoadingFrame"
    frame.Size = UDim2.new(1, 0, 1, 0)
    frame.BackgroundColor3 = Color3.new(0, 0, 0)
    frame.BackgroundTransparency = 0.5

    local spinner = Instance.new("ImageLabel", frame)
    spinner.Name = "Spinner"
    spinner.Size = UDim2.new(0, 100, 0, 100)
    spinner.AnchorPoint = Vector2.new(0.5, 0.5)
    spinner.Position = UDim2.new(0.5, 0, 0.5, 0)
    spinner.Image = "rbxassetid://6034818372"  -- Ganti dengan asset spinner pilihan Anda
    spinner.BackgroundTransparency = 1

    delay(2, function()
        utility:Tween(frame, {BackgroundTransparency = 1}, 1, Enum.EasingStyle.Quad, Enum.EasingDirection.Out)
        wait(1)
        sg:Destroy()
    end)
end

--------------------------------
-- UKURAN UI (MODE)
--------------------------------
local sizes = {
    small  = {width = 400, height = 300},
    medium = {width = 600, height = 450},
    large  = {width = 800, height = 600},
}

--------------------------------------------------
-- SAVE/LOAD CONFIG & NOTIFICATION FUNCTIONS
--------------------------------------------------
-- Jika fungsi writefile/readfile tidak tersedia, abaikan blok ini.
local SettingToggle = {}
local ConfigFileName = "BTConfig.JSON"
if writefile and readfile then
    pcall(function()
        if not pcall(function() readfile(ConfigFileName) end) then
            writefile(ConfigFileName, HttpService:JSONEncode(SettingToggle))
        end
        -- Hanya menyimpan string config ke variabel Settings sebagai contoh.
        Settings = HttpService:JSONEncode(readfile(ConfigFileName))
    end)
else
    warn("Fungsi file I/O tidak tersedia. Fitur SaveConfig/LoadConfig dinonaktifkan.")
    Settings = ""
end

function Library:SaveConfig(configTable, fileName)
    if writefile and readfile then
        local success, encoded = pcall(function() return HttpService:JSONEncode(configTable) end)
        if success then
            local ws, err = pcall(function() writefile(fileName, encoded) end)
            if ws then
                return true
            else
                warn("Failed to write config file:", err)
                return false
            end
        else
            warn("Failed to encode config:", encoded)
            return false
        end
    else
        warn("SaveConfig tidak tersedia karena file I/O tidak didukung.")
        return false
    end
end

function Library:LoadConfig(fileName)
    if writefile and readfile then
        local success, content = pcall(function() return readfile(fileName) end)
        if success and content then
            local ok, decoded = pcall(function() return HttpService:JSONDecode(content) end)
            if ok then
                return decoded
            else
                warn("Failed to decode config:", decoded)
            end
        else
            warn("Failed to read config file:", content)
        end
        return nil
    else
        warn("LoadConfig tidak tersedia karena file I/O tidak didukung.")
        return nil
    end
end

function Library:MakeNotification(options)
    local sg = Instance.new("ScreenGui")
    sg.Name = "Notification"
    sg.ResetOnSpawn = false
    sg.Parent = game.CoreGui

    local frame = Instance.new("Frame", sg)
    frame.Size = UDim2.new(0, 300, 0, 100)
    frame.Position = UDim2.new(0.5, -150, 0.8, 0)
    frame.BackgroundColor3 = Color3.fromRGB(20,20,20)
    frame.BackgroundTransparency = 0.3
    frame.BorderSizePixel = 0

    local titleLabel = Instance.new("TextLabel", frame)
    titleLabel.Size = UDim2.new(1,0,0,30)
    titleLabel.Text = options.Name or "Notification"
    titleLabel.Font = Enum.Font.SourceSansBold
    titleLabel.TextSize = 20
    titleLabel.TextColor3 = Color3.new(1,1,1)
    titleLabel.BackgroundTransparency = 1

    local contentLabel = Instance.new("TextLabel", frame)
    contentLabel.Position = UDim2.new(0,0,0,30)
    contentLabel.Size = UDim2.new(1,0,0,70)
    contentLabel.Text = options.Content or ""
    contentLabel.Font = Enum.Font.SourceSans
    contentLabel.TextSize = 14
    contentLabel.TextColor3 = Color3.new(1,1,1)
    contentLabel.BackgroundTransparency = 1

    delay(options.Time or 5, function()
        sg:Destroy()
    end)
end

--------------------------------------------------
-- PEMBUATAN WINDOW, TAB, & SECTION
--------------------------------------------------
-- Fungsi MakeWindow(options): Membuat window utama.
function Library:MakeWindow(options)
    options = options or {}
    local windowTitle = options.Name or "UI Library"

    createLoadingScreen()

    local sg = Instance.new("ScreenGui")
    sg.Name = LibName
    sg.Parent = game.CoreGui
    sg.ZIndexBehavior = Enum.ZIndexBehavior.Global

    local Body = Instance.new("Frame", sg)
    Body.Name = "Body"
    Body.BackgroundColor3 = Color3.fromRGB(12,12,12)
    Body.BorderColor3 = Color3.fromRGB(0,0,0)
    Body.BorderSizePixel = 0
    Body.Position = UDim2.new(0.258, 0, 0.218, 0)
    Body.Size = UDim2.new(0, 600, 0, 350)  -- Ukuran default ("small")
    Body.ClipsDescendants = true

    local Body_Corner = Instance.new("UICorner")
    Body_Corner.CornerRadius = UDim.new(0, 5)
    Body_Corner.Parent = Body

    local Title_Hub = Instance.new("TextLabel", Body)
    Title_Hub.Name = "Title_Hub"
    Title_Hub.BackgroundTransparency = 1
    Title_Hub.Position = UDim2.new(0, 5, 0, 0)
    Title_Hub.Size = UDim2.new(0, 558, 0, 30)
    Title_Hub.Font = Enum.Font.SourceSansBold
    Title_Hub.Text = windowTitle .. " - " .. GameName
    Title_Hub.TextColor3 = Color3.fromRGB(255,255,255)
    Title_Hub.TextSize = 15
    Title_Hub.TextXAlignment = Enum.TextXAlignment.Left

    -- Tombol minimize
    local MInimize_Button = Instance.new("TextButton", Body)
    MInimize_Button.Name = "MInimize_Button"
    MInimize_Button.BackgroundTransparency = 1
    MInimize_Button.Position = UDim2.new(0, 570, 0, 0)
    MInimize_Button.Rotation = -315
    MInimize_Button.Size = UDim2.new(0, 30, 0, 30)
    MInimize_Button.AutoButtonColor = false
    MInimize_Button.Font = Enum.Font.SourceSans
    MInimize_Button.Text = "+"
    MInimize_Button.TextColor3 = Color3.fromRGB(255,255,255)
    MInimize_Button.TextSize = 40

    MInimize_Button.MouseButton1Click:Connect(function()
        if Body.Visible then
            utility:Tween(Body, {Size = UDim2.new(0, 600, 0, 32)}, 0.3)
            utility:Tween(MInimize_Button, {Rotation = 360}, 0.3)
            Body.Visible = false
        else
            utility:Tween(Body, {Size = UDim2.new(0, 600, 0, 350)}, 0.3)
            utility:Tween(MInimize_Button, {Rotation = -315}, 0.3)
            Body.Visible = true
        end
    end)

    startDynamicBorder(Body)

    -- Container untuk tombol tab (bagian atas Body)
    local TabButtons = Instance.new("Frame", Body)
    TabButtons.Name = "TabButtons"
    TabButtons.Size = UDim2.new(1, 0, 0, 30)
    TabButtons.Position = UDim2.new(0, 0, 0, 30)
    TabButtons.BackgroundTransparency = 1
    local btnLayout = Instance.new("UIListLayout", TabButtons)
    btnLayout.FillDirection = Enum.FillDirection.Horizontal
    btnLayout.HorizontalAlignment = Enum.HorizontalAlignment.Left
    btnLayout.SortOrder = Enum.SortOrder.LayoutOrder
    btnLayout.Padding = UDim.new(0, 5)

    -- Container untuk konten tab
    local TabContent = Instance.new("Frame", Body)
    TabContent.Name = "TabContent"
    TabContent.Size = UDim2.new(1, 0, 1, -60)
    TabContent.Position = UDim2.new(0, 0, 0, 60)
    TabContent.BackgroundTransparency = 1

    local WindowObject = {}

    function WindowObject:SetUISize(mode)
        local s = sizes[mode]
        if s then
            tween(Body, {Size = UDim2.new(0, s.width, 0, s.height)}, 0.3)
        else
            warn("Invalid size mode. Use 'small', 'medium', or 'large'.")
        end
    end

    function WindowObject:MakeTab(options)
        options = options or {}
        local tabName = options.Name or "Tab"
        local tabButton = Instance.new("TextButton", TabButtons)
        tabButton.Name = "TabButton_" .. tabName
        tabButton.Size = UDim2.new(0, 100, 0, 30)
        tabButton.BackgroundColor3 = Color3.fromRGB(50,50,50)
        tabButton.Text = tabName
        tabButton.Font = Enum.Font.SourceSans
        tabButton.TextSize = 16
        tabButton.TextColor3 = Color3.new(1,1,1)
        
        local contentFrame = Instance.new("Frame", TabContent)
        contentFrame.Name = "TabContent_" .. tabName
        contentFrame.Size = UDim2.new(1, 0, 1, 0)
        contentFrame.Position = UDim2.new(0, 0, 0, 0)
        contentFrame.BackgroundTransparency = 1
        contentFrame.Visible = false
        
        tabButton.MouseButton1Click:Connect(function()
            for _, v in ipairs(TabContent:GetChildren()) do
                if v:IsA("Frame") then
                    v.Visible = false
                end
            end
            contentFrame.Visible = true
        end)
        
        local TabObject = {}
        function TabObject:AddSection(options)
            options = options or {}
            local sectionName = options.Name or "Section"
            local sectionFrame = Instance.new("Frame", contentFrame)
            sectionFrame.Name = "Section_" .. sectionName
            sectionFrame.Size = UDim2.new(1, -10, 0, 150)
            sectionFrame.Position = UDim2.new(0, 5, 0, 5)
            sectionFrame.BackgroundColor3 = Color3.fromRGB(30,30,30)
            sectionFrame.BorderSizePixel = 0

            local sectionHeader = Instance.new("TextLabel", sectionFrame)
            sectionHeader.Name = "SectionHeader"
            sectionHeader.Size = UDim2.new(1, 0, 0, 25)
            sectionHeader.BackgroundTransparency = 1
            sectionHeader.Text = sectionName
            sectionHeader.Font = Enum.Font.SourceSansBold
            sectionHeader.TextSize = 18
            sectionHeader.TextColor3 = Color3.new(1,1,1)
            sectionHeader.TextXAlignment = Enum.TextXAlignment.Left

            local elementContainer = Instance.new("Frame", sectionFrame)
            elementContainer.Name = "ElementContainer"
            elementContainer.Size = UDim2.new(1, 0, 1, -25)
            elementContainer.Position = UDim2.new(0, 0, 0, 25)
            elementContainer.BackgroundTransparency = 1
            local layout = Instance.new("UIListLayout", elementContainer)
            layout.SortOrder = Enum.SortOrder.LayoutOrder
            layout.Padding = UDim.new(0, 5)

            local SectionObject = {}

            function SectionObject:addButton(title, callback)
                callback = callback or function() end
                local btn = Instance.new("TextButton", elementContainer)
                btn.Size = UDim2.new(1, -10, 0, 30)
                btn.BackgroundColor3 = Color3.fromRGB(50,50,50)
                btn.Text = title
                btn.Font = Enum.Font.SourceSans
                btn.TextSize = 16
                btn.TextColor3 = Color3.new(1,1,1)
                btn.MouseButton1Click:Connect(callback)
            end

            function SectionObject:addToggle(title, default, callback)
                callback = callback or function() end
                local toggleFrame = Instance.new("Frame", elementContainer)
                toggleFrame.Size = UDim2.new(1, -10, 0, 30)
                toggleFrame.BackgroundColor3 = Color3.fromRGB(50,50,50)

                local label = Instance.new("TextLabel", toggleFrame)
                label.Size = UDim2.new(0.7, 0, 1, 0)
                label.BackgroundTransparency = 1
                label.Text = title
                label.Font = Enum.Font.SourceSans
                label.TextSize = 16
                label.TextColor3 = Color3.new(1,1,1)
                label.TextXAlignment = Enum.TextXAlignment.Left

                local toggleButton = Instance.new("TextButton", toggleFrame)
                toggleButton.Size = UDim2.new(0.3, 0, 1, 0)
                toggleButton.Position = UDim2.new(0.7, 0, 0, 0)
                toggleButton.BackgroundColor3 = default and Color3.fromRGB(0,255,0) or Color3.fromRGB(255,0,0)
                toggleButton.Text = default and "ON" or "OFF"
                toggleButton.Font = Enum.Font.SourceSansBold
                toggleButton.TextSize = 16
                toggleButton.TextColor3 = Color3.new(1,1,1)
                toggleButton.MouseButton1Click:Connect(function()
                    default = not default
                    toggleButton.BackgroundColor3 = default and Color3.fromRGB(0,255,0) or Color3.fromRGB(255,0,0)
                    toggleButton.Text = default and "ON" or "OFF"
                    callback(default)
                end)
            end

            function SectionObject:addDropdown(title, default, list, callback)
                callback = callback or function() end
                local dropdownFrame = Instance.new("Frame", elementContainer)
                dropdownFrame.Size = UDim2.new(1, -10, 0, 30)
                dropdownFrame.BackgroundColor3 = Color3.fromRGB(50,50,50)

                local label = Instance.new("TextLabel", dropdownFrame)
                label.Size = UDim2.new(0.7, 0, 1, 0)
                label.BackgroundTransparency = 1
                label.Text = title .. " : " .. default
                label.Font = Enum.Font.SourceSans
                label.TextSize = 16
                label.TextColor3 = Color3.new(1,1,1)
                label.TextXAlignment = Enum.TextXAlignment.Left

                local dropdownButton = Instance.new("TextButton", dropdownFrame)
                dropdownButton.Size = UDim2.new(0.3, 0, 1, 0)
                dropdownButton.Position = UDim2.new(0.7, 0, 0, 0)
                dropdownButton.BackgroundColor3 = Color3.fromRGB(70,70,70)
                dropdownButton.Text = "v"
                dropdownButton.Font = Enum.Font.SourceSansBold
                dropdownButton.TextSize = 16
                dropdownButton.TextColor3 = Color3.new(1,1,1)

                local optionsContainer = Instance.new("Frame", dropdownFrame)
                optionsContainer.Size = UDim2.new(1, 0, 0, #list * 30)
                optionsContainer.Position = UDim2.new(0, 0, 1, 0)
                optionsContainer.BackgroundColor3 = Color3.fromRGB(50,50,50)
                optionsContainer.Visible = false

                local optionsLayout = Instance.new("UIListLayout", optionsContainer)
                optionsLayout.SortOrder = Enum.SortOrder.LayoutOrder
                optionsLayout.Padding = UDim.new(0, 2)

                for _, option in ipairs(list) do
                    local optionBtn = Instance.new("TextButton", optionsContainer)
                    optionBtn.Size = UDim2.new(1, 0, 0, 30)
                    optionBtn.BackgroundColor3 = Color3.fromRGB(60,60,60)
                    optionBtn.Text = option
                    optionBtn.Font = Enum.Font.SourceSans
                    optionBtn.TextSize = 16
                    optionBtn.TextColor3 = Color3.new(1,1,1)
                    optionBtn.MouseButton1Click:Connect(function()
                        label.Text = title .. " : " .. option
                        optionsContainer.Visible = false
                        callback(option)
                    end)
                end

                dropdownButton.MouseButton1Click:Connect(function()
                    optionsContainer.Visible = not optionsContainer.Visible
                end)
            end

            function SectionObject:addSlider(title, min, max, default, callback)
                callback = callback or function() end
                local sliderFrame = Instance.new("Frame", elementContainer)
                sliderFrame.Size = UDim2.new(1, -10, 0, 40)
                sliderFrame.BackgroundColor3 = Color3.fromRGB(50,50,50)

                local label = Instance.new("TextLabel", sliderFrame)
                label.Size = UDim2.new(0, 150, 1, 0)
                label.BackgroundTransparency = 1
                label.Text = title .. " : " .. tostring(default)
                label.Font = Enum.Font.SourceSans
                label.TextSize = 16
                label.TextColor3 = Color3.new(1,1,1)
                label.TextXAlignment = Enum.TextXAlignment.Left

                local sliderTrack = Instance.new("Frame", sliderFrame)
                sliderTrack.Size = UDim2.new(1, -160, 0, 10)
                sliderTrack.Position = UDim2.new(0, 160, 0.5, -5)
                sliderTrack.BackgroundColor3 = Color3.fromRGB(80,80,80)

                local sliderKnob = Instance.new("Frame", sliderTrack)
                sliderKnob.Size = UDim2.new(0, 10, 1, 0)
                local knobX = (default - min) / (max - min)
                sliderKnob.Position = UDim2.new(knobX, -5, 0, 0)
                sliderKnob.BackgroundColor3 = Color3.fromRGB(255,0,0)

                local dragging = false
                sliderKnob.InputBegan:Connect(function(input)
                    if input.UserInputType == Enum.UserInputType.MouseButton1 then
                        dragging = true
                    end
                end)
                sliderKnob.InputChanged:Connect(function(input)
                    if dragging and input.UserInputType == Enum.UserInputType.MouseMovement then
                        local relX = math.clamp(input.Position.X - sliderTrack.AbsolutePosition.X, 0, sliderTrack.AbsoluteSize.X)
                        local newVal = min + ((max - min) * (relX / sliderTrack.AbsoluteSize.X))
                        sliderKnob.Position = UDim2.new(relX / sliderTrack.AbsoluteSize.X, -5, 0, 0)
                        label.Text = title .. " : " .. string.format("%.2f", newVal)
                        callback(newVal)
                    end
                end)
                sliderKnob.InputEnded:Connect(function(input)
                    if input.UserInputType == Enum.UserInputType.MouseButton1 then
                        dragging = false
                    end
                end)
            end

            function SectionObject:addKeybind(title, preset, callback)
                callback = callback or function() end
                local keybindFrame = Instance.new("Frame", elementContainer)
                keybindFrame.Size = UDim2.new(1, -10, 0, 30)
                keybindFrame.BackgroundColor3 = Color3.fromRGB(50,50,50)

                local label = Instance.new("TextLabel", keybindFrame)
                label.Size = UDim2.new(0, 150, 1, 0)
                label.BackgroundTransparency = 1
                label.Text = title
                label.Font = Enum.Font.SourceSans
                label.TextSize = 16
                label.TextColor3 = Color3.new(1,1,1)
                label.TextXAlignment = Enum.TextXAlignment.Left

                local bindButton = Instance.new("TextButton", keybindFrame)
                bindButton.Size = UDim2.new(0, 100, 1, 0)
                bindButton.Position = UDim2.new(0, 160, 0, 0)
                bindButton.BackgroundColor3 = Color3.fromRGB(70,70,70)
                bindButton.Text = preset.Name
                bindButton.Font = Enum.Font.SourceSansBold
                bindButton.TextSize = 16
                bindButton.TextColor3 = Color3.new(1,1,1)
                bindButton.MouseButton1Click:Connect(function()
                    bindButton.Text = "..."
                    local input = UserInputService.InputBegan:Wait()
                    if input and input.KeyCode then
                        bindButton.Text = input.KeyCode.Name
                        callback(input.KeyCode.Name)
                    end
                end)
            end

            function SectionObject:addLabel(text)
                local lbl = Instance.new("TextLabel", elementContainer)
                lbl.Size = UDim2.new(1, -10, 0, 20)
                lbl.BackgroundTransparency = 1
                lbl.Text = text
                lbl.Font = Enum.Font.SourceSans
                lbl.TextSize = 16
                lbl.TextColor3 = Color3.new(1,1,1)
                lbl.TextXAlignment = Enum.TextXAlignment.Left
            end

            function SectionObject:addChangelog(text)
                local lbl = Instance.new("TextLabel", elementContainer)
                lbl.Size = UDim2.new(1, -10, 0, 20)
                lbl.BackgroundTransparency = 1
                lbl.Text = text
                lbl.Font = Enum.Font.SourceSans
                lbl.TextSize = 16
                lbl.TextColor3 = Color3.fromRGB(85,170,255)
                lbl.TextXAlignment = Enum.TextXAlignment.Left
            end

            function SectionObject:addLog(text)
                local lbl = Instance.new("TextLabel", elementContainer)
                lbl.Size = UDim2.new(1, -10, 0, 20)
                lbl.BackgroundTransparency = 1
                lbl.Text = text
                lbl.Font = Enum.Font.SourceSans
                lbl.TextSize = 16
                lbl.TextColor3 = Color3.fromRGB(255,255,0)
                lbl.TextXAlignment = Enum.TextXAlignment.Left
            end

            return SectionObject
        end

        return TabObject
    end

    function Library:MakeTab(options)
        error("MakeTab harus dipanggil dari objek window. Gunakan Window:MakeTab(options).")
    end

    function Library:AddSection(options)
        error("AddSection harus dipanggil dari objek tab. Gunakan Tab:AddSection(options).")
    end

    function WindowObject:MakeNotification(options)
        Library:MakeNotification(options)
    end

    return WindowObject
end

--------------------------------------------------
-- RETURN LIBRARY
--------------------------------------------------
return Library