local Players = game:GetService("Players")
local Lighting = game:GetService("Lighting")
local TweenService = game:GetService("TweenService")
local localPlayer = Players.LocalPlayer
local playerGui = localPlayer:WaitForChild("PlayerGui")

-- Add black highlight
local function addBlackHighlight(part)
    local selectionBox = Instance.new("SelectionBox")
    selectionBox.Adornee = part
    selectionBox.Color3 = Color3.new(0, 0, 0)
    selectionBox.LineThickness = 0.05
    selectionBox.Transparency = 0
    selectionBox.Parent = part
end

-- Build NPC like a player
local function createHumanoidNPC()
    local npc = Instance.new("Model")
    npc.Name = "NULL"

    local root = Instance.new("Part")
    root.Name = "HumanoidRootPart"
    root.Size = Vector3.new(2, 2, 1)
    root.Anchored = true
    root.BrickColor = BrickColor.new("Really black")
    root.Parent = npc
    addBlackHighlight(root)

    local torso = Instance.new("Part")
    torso.Name = "Torso"
    torso.Size = Vector3.new(2, 2, 1)
    torso.Anchored = true
    torso.BrickColor = BrickColor.new("Really black")
    torso.Parent = npc
    addBlackHighlight(torso)

    local head = Instance.new("Part")
    head.Name = "Head"
    head.Size = Vector3.new(2, 1, 1)
    head.Anchored = true
    head.BrickColor = BrickColor.new("Really black")
    head.Parent = npc
    addBlackHighlight(head)

    local leftArm = Instance.new("Part")
    leftArm.Name = "Left Arm"
    leftArm.Size = Vector3.new(1, 2, 1)
    leftArm.Anchored = true
    leftArm.BrickColor = BrickColor.new("Really black")
    leftArm.Parent = npc
    addBlackHighlight(leftArm)

    local rightArm = Instance.new("Part")
    rightArm.Name = "Right Arm"
    rightArm.Size = Vector3.new(1, 2, 1)
    rightArm.Anchored = true
    rightArm.BrickColor = BrickColor.new("Really black")
    rightArm.Parent = npc
    addBlackHighlight(rightArm)

    local leftLeg = Instance.new("Part")
    leftLeg.Name = "Left Leg"
    leftLeg.Size = Vector3.new(1, 2, 1)
    leftLeg.Anchored = true
    leftLeg.BrickColor = BrickColor.new("Really black")
    leftLeg.Parent = npc
    addBlackHighlight(leftLeg)

    local rightLeg = Instance.new("Part")
    rightLeg.Name = "Right Leg"
    rightLeg.Size = Vector3.new(1, 2, 1)
    rightLeg.Anchored = true
    rightLeg.BrickColor = BrickColor.new("Really black")
    rightLeg.Parent = npc
    addBlackHighlight(rightLeg)

    local humanoid = Instance.new("Humanoid")
    humanoid.Parent = npc

    npc.PrimaryPart = root

    return npc
end

-- Position NPC parts relative to HumanoidRootPart
local function positionNPC(npc, spawnPos)
    npc:SetPrimaryPartCFrame(CFrame.new(spawnPos))

    local root = npc:FindFirstChild("HumanoidRootPart")
    local torso = npc:FindFirstChild("Torso")
    local head = npc:FindFirstChild("Head")
    local leftArm = npc:FindFirstChild("Left Arm")
    local rightArm = npc:FindFirstChild("Right Arm")
    local leftLeg = npc:FindFirstChild("Left Leg")
    local rightLeg = npc:FindFirstChild("Right Leg")

    torso.CFrame = root.CFrame * CFrame.new(0, 1, 0)
    head.CFrame = torso.CFrame * CFrame.new(0, 1.5, 0)
    leftArm.CFrame = torso.CFrame * CFrame.new(-1.5, 0, 0)
    rightArm.CFrame = torso.CFrame * CFrame.new(1.5, 0, 0)
    leftLeg.CFrame = root.CFrame * CFrame.new(-0.5, -2, 0)
    rightLeg.CFrame = root.CFrame * CFrame.new(0.5, -2, 0)
end

-- Move NPC to player
local function moveNPCToPlayer(npc, player)
    local root = npc:FindFirstChild("HumanoidRootPart")
    local targetPos = player.Character:FindFirstChild("HumanoidRootPart").Position

    local tweenInfo = TweenInfo.new(5, Enum.EasingStyle.Linear)
    local tween = TweenService:Create(root, tweenInfo, { Position = targetPos })

    tween:Play()

    tween.Completed:Connect(function()
        player:Kick("YOU GOT CAUGHT=)")
    end)

    game:GetService("RunService").Heartbeat:Connect(function()
        local torso = npc:FindFirstChild("Torso")
        local head = npc:FindFirstChild("Head")
        local leftArm = npc:FindFirstChild("Left Arm")
        local rightArm = npc:FindFirstChild("Right Arm")
        local leftLeg = npc:FindFirstChild("Left Leg")
        local rightLeg = npc:FindFirstChild("Right Leg")

        torso.CFrame = root.CFrame * CFrame.new(0, 1, 0)
        head.CFrame = torso.CFrame * CFrame.new(0, 1.5, 0)
        leftArm.CFrame = torso.CFrame * CFrame.new(-1.5, 0, 0)
        rightArm.CFrame = torso.CFrame * CFrame.new(1.5, 0, 0)
        leftLeg.CFrame = root.CFrame * CFrame.new(-0.5, -2, 0)
        rightLeg.CFrame = root.CFrame * CFrame.new(0.5, -2, 0)
    end)
end

-- Freeze player movement
local function freezePlayer()
    local char = localPlayer.Character
    if char then
        local humanoid = char:FindFirstChildOfClass("Humanoid")
        if humanoid then
            humanoid.WalkSpeed = 0
            humanoid.JumpPower = 0
        end
    end
end

-- Hide other players
local function hideOtherPlayers()
    for _, player in pairs(Players:GetPlayers()) do
        if player ~= localPlayer and player.Character then
            for _, part in pairs(player.Character:GetChildren()) do
                if part:IsA("BasePart") then
                    part.Transparency = 1
                    part.CanCollide = false
                elseif part:IsA("Decal") then
                    part.Transparency = 1
                end
            end
        end
    end
end

-- Dark sky
local function darkenSky()
    Lighting.Ambient = Color3.fromRGB(20, 20, 20)
    Lighting.OutdoorAmbient = Color3.fromRGB(10, 10, 10)
    Lighting.FogColor = Color3.fromRGB(0, 0, 0)
    Lighting.FogEnd = 100
end

-- Shaking scary text
local function showScaryText()
    local screenGui = Instance.new("ScreenGui")
    screenGui.Name = "ScaryMessageGui"
    screenGui.Parent = playerGui

    local textLabel = Instance.new("TextLabel")
    textLabel.Size = UDim2.new(0, 400, 0, 100)
    textLabel.Position = UDim2.new(0.5, -200, 0.5, -50)
    textLabel.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    textLabel.BackgroundTransparency = 0.7
    textLabel.TextColor3 = Color3.fromRGB(255, 0, 0)
    textLabel.TextStrokeColor3 = Color3.fromRGB(100, 0, 0)
    textLabel.TextStrokeTransparency = 0.2
    textLabel.TextScaled = true
    textLabel.Font = Enum.Font.GothamBlack
    textLabel.Text = "YOU CAN'T ESCAPE NULL"
    textLabel.Parent = screenGui

    local shakeMagnitude = 10
    local shakeFrequency = 0.05
    local startPos = textLabel.Position

    while true do
        local offsetX = math.random(-shakeMagnitude, shakeMagnitude)
        local offsetY = math.random(-shakeMagnitude, shakeMagnitude)
        textLabel.Position = UDim2.new(startPos.X.Scale, startPos.X.Offset + offsetX, startPos.Y.Scale, startPos.Y.Offset + offsetY)
        wait(shakeFrequency)
    end
end

-- Lock first person
local function lockFirstPerson()
    localPlayer.CameraMode = Enum.CameraMode.LockFirstPerson
end

-- Run scary event
local function startScaryEvent()
    freezePlayer()
    local npc = createHumanoidNPC()
    npc.Parent = workspace

    local spawnPos = localPlayer.Character:FindFirstChild("HumanoidRootPart").Position + (localPlayer.Character.HumanoidRootPart.CFrame.LookVector * 50)
    positionNPC(npc, spawnPos)
    moveNPCToPlayer(npc, localPlayer)

    darkenSky()
    hideOtherPlayers()
    lockFirstPerson()
    coroutine.wrap(showScaryText)()
end

if localPlayer.Character and localPlayer.Character.Parent then
    wait(2)
    startScaryEvent()
else
    localPlayer.CharacterAdded:Connect(function()
        wait(2)
        startScaryEvent()
    end)
end