local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local player = Players.LocalPlayer

-- 1. CRIANDO A GUI (CAIXA E TEXTO)
local screenGui = Instance.new("ScreenGui")
screenGui.Name = "FlySystem"
screenGui.ResetOnSpawn = false
screenGui.Parent = player:WaitForChild("PlayerGui")

local frame = Instance.new("Frame")
frame.Size = UDim2.new(0, 150, 0, 50)
frame.Position = UDim2.new(0.5, -75, 0.1, 0) -- Topo da tela
frame.BackgroundColor3 = Color3.fromRGB(255, 0, 0) -- Começa Vermelho
frame.BorderSizePixel = 2
frame.Parent = screenGui

local button = Instance.new("TextButton")
button.Size = UDim2.new(1, 0, 1, 0)
button.BackgroundTransparency = 1
button.Text = "FLY: OFF"
button.TextColor3 = Color3.fromRGB(255, 255, 255)
button.Font = Enum.Font.SourceSansBold
button.TextSize = 20
button.Parent = frame

-- 2. VARIÁVEIS DE CONTROLE
local flying = false
local speed = 100
local bodyVelocity

local function toggleFly()
	local character = player.Character
	if not character then return end
	local hrp = character:FindFirstChild("HumanoidRootPart")
	local humanoid = character:FindFirstChild("Humanoid")
	
	if not hrp or not humanoid then return end
	
	flying = not flying
	
	if flying then
		-- Fica VERDE e liga o voo
		frame.BackgroundColor3 = Color3.fromRGB(0, 255, 0)
		button.Text = "FLY: ON"
		
		humanoid.PlatformStand = true
		
		-- Usando BodyVelocity (mais estável para scripts simples)
		bodyVelocity = Instance.new("BodyVelocity")
		bodyVelocity.MaxForce = Vector3.new(1, 1, 1) * math.huge
		bodyVelocity.Velocity = Vector3.new(0, 0, 0)
		bodyVelocity.Parent = hrp
		
		-- Loop de movimento
		task.spawn(function()
			while flying and hrp.Parent do
				local camCF = workspace.CurrentCamera.CFrame
				local direction = Vector3.new(0,0,0)
				
				-- Voar para onde a câmera olha
				direction = camCF.LookVector
				
				-- Subir/Descer Manual (Eixo Y)
				if UserInputService:IsKeyDown(Enum.KeyCode.Space) then
					direction = direction + Vector3.new(0, 1, 0)
				elseif UserInputService:IsKeyDown(Enum.KeyCode.LeftControl) then
					direction = direction + Vector3.new(0, -1, 0)
				end
				
				bodyVelocity.Velocity = direction.Unit * speed
				RunService.RenderStepped:Wait()
			end
		end)
	else
		-- Fica VERMELHO e desliga
		flying = false
		frame.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
		button.Text = "FLY: OFF"
		
		if bodyVelocity then bodyVelocity:Destroy() end
		humanoid.PlatformStand = false
		humanoid:ChangeState(Enum.HumanoidStateType.GettingUp)
	end
end

button.MouseButton1Click:Connect(toggleFly)

-- Reset se o personagem morrer
player.CharacterAdded:Connect(function()
	flying = false
	frame.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
	button.Text = "FLY: OFF"
end)