local Players, RS = game:GetService("Players"), game:GetService("RunService")
local me = Players.LocalPlayer

local gui = Instance.new("ScreenGui")
gui.Name, gui.ResetOnSpawn = "FollowMenu", false
gui.Parent = me:WaitForChild("PlayerGui")

local function new(class, props, parent)
    local o = Instance.new(class)
    for k, v in pairs(props) do o[k] = v end
    o.Parent = parent
    return o
end
local function round(o, r) new("UICorner", {CornerRadius = UDim.new(0, r)}, o) end

local frame = new("Frame", {
    Size = UDim2.fromOffset(210, 270), Position = UDim2.new(0.5, -105, 0.5, -135),
    BackgroundColor3 = Color3.fromRGB(22, 18, 36), Active = true, Draggable = true,
}, gui)
round(frame, 14)
new("UIStroke", {Color = Color3.fromRGB(140, 100, 240), Thickness = 1.5}, frame)

new("TextLabel", {
    Size = UDim2.new(1, -40, 0, 32), Position = UDim2.fromOffset(12, 0),
    Text = "✈ FOLLOW", Font = Enum.Font.GothamBold, TextSize = 15,
    TextColor3 = Color3.new(1, 1, 1), TextXAlignment = Enum.TextXAlignment.Left,
    BackgroundTransparency = 1,
}, frame)

local close = new("TextButton", {
    Size = UDim2.fromOffset(22, 22), Position = UDim2.new(1, -30, 0, 6), Text = "×",
    Font = Enum.Font.GothamBold, TextSize = 16, TextColor3 = Color3.new(1, 1, 1),
    BackgroundColor3 = Color3.fromRGB(200, 60, 60),
}, frame)
round(close, 6)

local list = new("ScrollingFrame", {
    Size = UDim2.new(1, -24, 1, -100), Position = UDim2.fromOffset(12, 36),
    BackgroundColor3 = Color3.fromRGB(36, 30, 58), BorderSizePixel = 0,
    ScrollBarThickness = 3, AutomaticCanvasSize = Enum.AutomaticSize.Y,
    CanvasSize = UDim2.new(),
}, frame)
round(list, 10)
new("UIListLayout", {Padding = UDim.new(0, 3)}, list)
new("UIPadding", {PaddingTop = UDim.new(0, 3), PaddingLeft = UDim.new(0, 3), PaddingRight = UDim.new(0, 3)}, list)

local function btn(text, x, color)
    local b = new("TextButton", {
        Size = UDim2.new(0.5, -16, 0, 34), Position = UDim2.new(x, x == 0 and 12 or 4, 1, -46),
        Text = text, Font = Enum.Font.GothamBold, TextSize = 12,
        TextColor3 = Color3.new(1, 1, 1), BackgroundColor3 = color,
    }, frame)
    round(b, 10)
    return b
end
local tpBtn = btn("TÉLÉPORTER", 0, Color3.fromRGB(70, 120, 220))
local followBtn = btn("SUIVRE", 0.5, Color3.fromRGB(0, 160, 90))

local OFF, ON = Color3.fromRGB(52, 44, 82), Color3.fromRGB(140, 100, 240)
local selected, conn, entries = nil, nil, {}

local function root(p) return p and p.Character and p.Character:FindFirstChild("HumanoidRootPart") end
local function hum(p) return p and p.Character and p.Character:FindFirstChildOfClass("Humanoid") end

local function states(on)
    local h = hum(me)
    if not h then return end
    for _, s in ipairs({Enum.HumanoidStateType.Freefall, Enum.HumanoidStateType.FallingDown, Enum.HumanoidStateType.Ragdoll}) do
        h:SetStateEnabled(s, on)
    end
end

local function stop()
    if conn then conn:Disconnect() conn = nil end
    states(true)
    followBtn.Text, followBtn.BackgroundColor3 = "SUIVRE", Color3.fromRGB(0, 160, 90)
end

local function pick(p)
    selected = p
    for pl, b in pairs(entries) do b.BackgroundColor3 = pl == p and ON or OFF end
end

local function rebuild()
    for _, b in pairs(entries) do b:Destroy() end
    entries = {}
    for _, p in ipairs(Players:GetPlayers()) do
        if p ~= me then
            local b = new("TextButton", {
                Size = UDim2.new(1, 0, 0, 28), Text = p.DisplayName, Font = Enum.Font.Gotham,
                TextSize = 13, TextColor3 = Color3.new(1, 1, 1),
                BackgroundColor3 = p == selected and ON or OFF,
            }, list)
            round(b, 8)
            b.MouseButton1Click:Connect(function() pick(p) end)
            entries[p] = b
        end
    end
end

Players.PlayerAdded:Connect(rebuild)
Players.PlayerRemoving:Connect(function(p)
    if p == selected then stop() selected = nil end
    task.defer(rebuild)
end)
rebuild()

tpBtn.MouseButton1Click:Connect(function()
    local a, b = root(me), root(selected)
    if a and b then a.CFrame = b.CFrame * CFrame.new(0, 0, 4) end
end)

-- Un clic = suivre, un autre clic = arrêter
followBtn.MouseButton1Click:Connect(function()
    if conn then stop() return end
    if not selected or not root(me) then return end

    states(false)
    followBtn.Text, followBtn.BackgroundColor3 = "ARRÊTER", Color3.fromRGB(200, 60, 60)

    conn = RS.Heartbeat:Connect(function()
        local mine, theirs, h = root(me), root(selected), hum(me)
        if not mine or not theirs or not h then return end

        -- collé derrière le joueur, immobile, droit, face à lui
        local pos = (theirs.CFrame * CFrame.new(0, 0, 4)).Position
        mine.AssemblyLinearVelocity = Vector3.zero
        mine.AssemblyAngularVelocity = Vector3.zero
        mine.CFrame = CFrame.lookAt(pos, Vector3.new(theirs.Position.X, pos.Y, theirs.Position.Z))
        h:ChangeState(Enum.HumanoidStateType.Running)
    end)
end)

close.MouseButton1Click:Connect(function() stop() gui:Destroy() end)
me.CharacterAdded:Connect(stop)