-- // Services
local Players = game:GetService("Players")
local CoreGui = game:GetService("CoreGui")
local RunService = game:GetService("RunService")
local TweenService = game:GetService("TweenService")

local LocalPlayer = Players.LocalPlayer

-- // Destroy old instances to prevent UI stacking
if CoreGui:FindFirstChild("DeltaAvatarCopier") then
    CoreGui.DeltaAvatarCopier:Destroy()
end

-- // Main Screen Container
local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Name = "DeltaAvatarCopier"
ScreenGui.Parent = CoreGui
ScreenGui.ResetOnSpawn = false

-- // 1. Small Rectangle Main Frame
local MainFrame = Instance.new("Frame")
MainFrame.Name = "MainFrame"
MainFrame.Size = UDim2.new(0, 260, 0, 180)
MainFrame.Position = UDim2.new(0.5, -130, 0.5, -90)
MainFrame.BackgroundColor3 = Color3.fromRGB(15, 15, 15)
MainFrame.Active = true
MainFrame.Draggable = true
MainFrame.Parent = ScreenGui

-- Curved Edges
local MainCorner = Instance.new("UICorner")
MainCorner.CornerRadius = UDim.new(0, 12)
MainCorner.Parent = MainFrame

-- // 2. Animated RGB Border (UIStroke + UIGradient)
local UIStroke = Instance.new("UIStroke")
UIStroke.Thickness = 2.5
UIStroke.ApplyStrokeMode = Enum.ApplyStrokeMode.Border
UIStroke.Parent = MainFrame

local UIGradient = Instance.new("UIGradient")
UIGradient.Color = ColorSequence.new({
    ColorSequenceKeypoint.new(0, Color3.fromRGB(255, 0, 0)),     -- Red
    ColorSequenceKeypoint.new(0.2, Color3.fromRGB(255, 255, 0)), -- Yellow
    ColorSequenceKeypoint.new(0.4, Color3.fromRGB(0, 255, 0)),   -- Green
    ColorSequenceKeypoint.new(0.6, Color3.fromRGB(0, 255, 255)), -- Cyan
    ColorSequenceKeypoint.new(0.8, Color3.fromRGB(0, 0, 255)),   -- Blue
    ColorSequenceKeypoint.new(1, Color3.fromRGB(255, 0, 0))      -- Loop Red
})
UIGradient.Parent = UIStroke

-- Smoothly rotate the RGB gradient border over time
RunService.RenderStepped:Connect(function(deltaTime)
    UIGradient.Rotation = (UIGradient.Rotation + 90 * deltaTime) % 360
end)

-- // 3. UI Elements (Title, Textbox, Button)
local Title = Instance.new("TextLabel")
Title.Size = UDim2.new(1, 0, 0, 35)
Title.BackgroundTransparency = 1
Title.Text = "✨ Universal Avatar Copier"
Title.TextColor3 = Color3.fromRGB(240, 240, 240)
Title.Font = Enum.Font.GothamBold
Title.TextSize = 13
Title.Parent = MainFrame

-- Username Input Textbox
local UsernameInput = Instance.new("TextBox")
UsernameInput.Size = UDim2.new(1, -30, 0, 36)
UsernameInput.Position = UDim2.new(0, 15, 0, 45)
UsernameInput.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
UsernameInput.Text = ""
UsernameInput.PlaceholderText = "Enter Target Username..."
UsernameInput.TextColor3 = Color3.fromRGB(255, 255, 255)
UsernameInput.PlaceholderColor3 = Color3.fromRGB(120, 120, 120)
UsernameInput.Font = Enum.Font.Gotham
UsernameInput.TextSize = 12

local BoxCorner = Instance.new("UICorner")
BoxCorner.CornerRadius = UDim.new(0, 6)
BoxCorner.Parent = UsernameInput
UsernameInput.Parent = MainFrame

-- Copy Action Toggle Button
local CopyBtn = Instance.new("TextButton")
CopyBtn.Size = UDim2.new(1, -30, 0, 40)
CopyBtn.Position = UDim2.new(0, 15, 1, -55)
CopyBtn.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
CopyBtn.Text = "COPY AVATAR"
CopyBtn.TextColor3 = Color3.fromRGB(255, 255, 255)
CopyBtn.Font = Enum.Font.GothamBold
CopyBtn.TextSize = 12

local BtnCorner = Instance.new("UICorner")
BtnCorner.CornerRadius = UDim.new(0, 6)
BtnCorner.Parent = CopyBtn
CopyBtn.Parent = MainFrame

-- // 4. Sliding Notification Banner
local NotifyFrame = Instance.new("Frame")
NotifyFrame.Size = UDim2.new(1, 0, 0, 30)
NotifyFrame.Position = UDim2.new(0, 0, 1, 5) -- Starts hidden right below the main frame
NotifyFrame.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
NotifyFrame.BackgroundTransparency = 1
NotifyFrame.ClipsDescendants = true
NotifyFrame.Parent = MainFrame

local NotifyLabel = Instance.new("TextLabel")
NotifyLabel.Size = UDim2.new(1, 0, 1, 0)
NotifyLabel.BackgroundTransparency = 1
NotifyLabel.Text = "✅ Outfitted Applied Locally!"
NotifyLabel.TextColor3 = Color3.fromRGB(0, 255, 127)
NotifyLabel.Font = Enum.Font.GothamMedium
NotifyLabel.TextSize = 11
NotifyLabel.TextTransparency = 1
NotifyLabel.Parent = NotifyFrame

local function ShowNotification(message, isSuccess)
    NotifyLabel.Text = message
    NotifyLabel.TextColor3 = isSuccess and Color3.fromRGB(0, 255, 127) or Color3.fromRGB(255, 80, 80)
    
    TweenService:Create(NotifyFrame, TweenInfo.new(0.2), {BackgroundTransparency = 0.2}):Play()
    TweenService:Create(NotifyLabel, TweenInfo.new(0.2), {TextTransparency = 0}):Play()
    
    task.wait(2.5)
    
    TweenService:Create(NotifyFrame, TweenInfo.new(0.2), {BackgroundTransparency = 1}):Play()
    TweenService:Create(NotifyLabel, TweenInfo.new(0.2), {TextTransparency = 1}):Play()
end

-- // 5. Core Avatar Morphing Core Logic
CopyBtn.MouseButton1Click:Connect(function()
    local targetName = UsernameInput.Text
    if targetName == "" then 
        task.spawn(ShowNotification, "❌ Please enter a username", false)
        return 
    end
    
    -- Resolve UserId from entered text string safely
    local success, targetId = pcall(function()
        return Players:GetUserIdFromNameAsync(targetName)
    end)
    
    if success and targetId then
        local character = LocalPlayer.Character
        if character and character:FindFirstChildOfClass("Humanoid") then
            local humanoid = character:FindFirstChildOfClass("Humanoid")
            
            -- Fetch the standard Roblox avatar description structural data object
            local avatarDescriptionSuccess, humanoidDesc = pcall(function()
                return Players:GetHumanoidDescriptionFromUserId(targetId)
            end)
            
            if avatarDescriptionSuccess and humanoidDesc then
                -- Apply appearance structure locally onto your own runtime character
                humanoid:ApplyDescription(humanoidDesc)
                task.spawn(ShowNotification, "✅ Copied " .. targetName .. " successfully!", true)
            else
                task.spawn(ShowNotification, "❌ Failed to load avatar data", false)
            end
        else
            task.spawn(ShowNotification, "❌ Character model not found", false)
        end
    else
        task.spawn(ShowNotification, "❌ Invalid Roblox Username", false)
    end
end)