-- LocalScript inside StarterGui (example: StarterGui > ScreenGui > LocalScript)

-- Services
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local player = Players.LocalPlayer
local playerGui = player:WaitForChild("PlayerGui")

-- Create ScreenGui that survives death
local screenGui = Instance.new("ScreenGui")
screenGui.Name = "PersistentGUI"
screenGui.ResetOnSpawn = false
screenGui.Parent = playerGui

-- Create the frame (bigger)
local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 300, 0, 280) -- bigger size
frame.Position = UDim2.new(0.5, -150, 0.5, -140)
frame.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
frame.BorderSizePixel = 0
frame.Active = true
frame.Draggable = true
frame.Parent = screenGui

-- Rounded corners
local corner = Instance.new("UICorner")
corner.CornerRadius = UDim.new(0, 14)
corner.Parent = frame

-- White outline around frame
local stroke = Instance.new("UIStroke")
stroke.Thickness = 3
stroke.Color = Color3.fromRGB(255, 255, 255)
stroke.ApplyStrokeMode = Enum.ApplyStrokeMode.Border
stroke.Parent = frame

-- Title text
local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, -20, 0, 40) -- bigger height
title.Position = UDim2.new(0, 10, 0, 10)
title.BackgroundTransparency = 1
title.Text = "Attach GUI v3.1"
title.TextColor3 = Color3.fromRGB(255, 255, 255)
title.Font = Enum.Font.GothamBold
title.TextScaled = true
title.Parent = frame

-- TextBox (bigger)
local textbox = Instance.new("TextBox")
textbox.Size = UDim2.new(1, -20, 0, 50)
textbox.Position = UDim2.new(0, 10, 0, 60)
textbox.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
textbox.Text = ""
textbox.TextColor3 = Color3.fromRGB(0, 0, 0)
textbox.PlaceholderText = "Enter player name..."
textbox.Font = Enum.Font.Gotham
textbox.TextSize = 20
textbox.ClearTextOnFocus = false
textbox.Parent = frame

local textboxCorner = Instance.new("UICorner")
textboxCorner.CornerRadius = UDim.new(0, 10)
textboxCorner.Parent = textbox

-- Attach button (bigger)
local button = Instance.new("TextButton")
button.Size = UDim2.new(1, -20, 0, 50)
button.Position = UDim2.new(0, 10, 0, 120)
button.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
button.Text = "Attach Off"
button.TextColor3 = Color3.fromRGB(0, 0, 0)
button.Font = Enum.Font.GothamBold
button.TextSize = 20
button.Parent = frame

local buttonCorner = Instance.new("UICorner")
buttonCorner.CornerRadius = UDim.new(0, 10)
buttonCorner.Parent = button

-- Attach logic
local isAttached = false
local targetPlr = nil
local connection

-- Find target by username/display name
local function findTarget(nameInput)
    nameInput = string.lower(nameInput)
    for _, plr in pairs(Players:GetPlayers()) do
        if string.find(string.lower(plr.Name), nameInput)
        or string.find(string.lower(plr.DisplayName), nameInput) then
            return plr
        end
    end
    return nil
end

-- Start attach loop
local function startAttach()
    if connection then connection:Disconnect() end

    connection = RunService.Heartbeat:Connect(function()
        local myChar = player.Character
        local targetChar = targetPlr and targetPlr.Character

        if myChar and myChar:FindFirstChild("HumanoidRootPart")
        and targetChar and targetChar:FindFirstChild("HumanoidRootPart") then
            local myRoot = myChar.HumanoidRootPart
            local targetRoot = targetChar.HumanoidRootPart
            myRoot.CFrame = targetRoot.CFrame * CFrame.new(0, 0, 1) -- stay 1 stud behind
        end
    end)

    -- Re-attach after YOU respawn
    player.CharacterAdded:Connect(function()
        if isAttached then
            task.wait(1)
            startAttach()
        end
    end)

    -- Re-attach after TARGET respawns
    if targetPlr then
        targetPlr.CharacterAdded:Connect(function()
            if isAttached then
                task.wait(1)
                startAttach()
            end
        end)
    end
end

-- Button toggle
button.MouseButton1Click:Connect(function()
    if isAttached then
        isAttached = false
        button.Text = "Attach Off"
        button.BackgroundColor3 = Color3.fromRGB(255, 255, 255)
        if connection then
            connection:Disconnect()
            connection = nil
        end
        targetPlr = nil
    else
        local plr = findTarget(textbox.Text)
        if plr then
            isAttached = true
            targetPlr = plr
            button.Text = "Attach On"
            button.BackgroundColor3 = Color3.fromRGB(0, 200, 0)
            startAttach()
        else
            button.Text = "Player not found"
            task.wait(1.2)
            button.Text = "Attach Off"
        end
    end
end)