local Players = game:GetService("Players")
local LocalPlayer = Players.LocalPlayer

local PLAYER_COLOR = Color3.fromRGB(0, 170, 255)
local NPC_COLOR = Color3.fromRGB(255, 60, 60)

local function createESP(character, color)
    if not character or character:FindFirstChild("ESPHighlight") then return end
    
    local highlight = Instance.new("Highlight")
    highlight.Name = "ESPHighlight"
    highlight.FillColor = color
    highlight.FillTransparency = 0.5
    highlight.OutlineColor = Color3.new(0,0,0)
    highlight.OutlineTransparency = 0
    highlight.Parent = character
end

local function isNPC(model)
    return model:FindFirstChild("Humanoid") and not Players:GetPlayerFromCharacter(model)
end

local function setupPlayer(player)
    if player == LocalPlayer then return end
    
    player.CharacterAdded:Connect(function(char)
        task.wait(1)
        createESP(char, PLAYER_COLOR)
    end)

    if player.Character then
        createESP(player.Character, PLAYER_COLOR)
    end
end

for _, player in ipairs(Players:GetPlayers()) do
    setupPlayer(player)
end

Players.PlayerAdded:Connect(setupPlayer)

for _, obj in ipairs(workspace:GetDescendants()) do
    if isNPC(obj) then
        createESP(obj, NPC_COLOR)
    end
end

workspace.DescendantAdded:Connect(function(obj)
    if isNPC(obj) then
        task.wait(0.5)
        createESP(obj, NPC_COLOR)
    end
end)