-- ═══════════════════════════════════════════════════════════════════════════════
-- SCP-096 SL - STRICT STATE MACHINE AI (SMART PATHFINDING, MULTI-TAB)
-- ═══════════════════════════════════════════════════════════════════════════════

if getgenv().SCP096_GUI then
    pcall(function() getgenv().SCP096_GUI:Destroy() end)
end
getgenv().SCP096_GUI = nil

local VirtualInputManager = game:GetService("VirtualInputManager")
local Players = game:GetService("Players")
local SoundService = game:GetService("SoundService")
local Workspace = game:GetService("Workspace")
local RunService = game:GetService("RunService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local ReplicatedFirst = game:GetService("ReplicatedFirst")
local PathfindingService = game:GetService("PathfindingService")
local Teams = game:GetService("Teams")
local LocalPlayer = Players.LocalPlayer

-- UI Library Setup
local Library = nil
local uiLoadSuccess = pcall(function()
    Library = loadstring(game:HttpGet("https://raw.githubusercontent.com/xHeptc/Kavo-UI-Library/main/source.lua"))()
end)

if not uiLoadSuccess or not Library then
    Library = {
        CreateLib = function()
            local ScreenGui = Instance.new("ScreenGui")
            ScreenGui.Name = "SCP096FallbackGUI"
            ScreenGui.Parent = LocalPlayer:WaitForChild("PlayerGui")
            getgenv().SCP096_GUI = ScreenGui

            local function createSection(frame)
                return {
                    NewToggle = function(self, text, desc, callback)
                        local toggle = Instance.new("TextButton")
                        toggle.Size = UDim2.new(1, 0, 0, 30)
                        toggle.Text = text .. " (off)"
                        toggle.BackgroundColor3 = Color3.fromRGB(50,50,50)
                        toggle.Parent = frame
                        local state = false
                        toggle.MouseButton1Click:Connect(function()
                            state = not state
                            toggle.Text = text .. (state and " (on)" or " (off)")
                            callback(state)
                        end)
                    end,
                    NewButton = function(self, text, desc, callback)
                        local btn = Instance.new("TextButton")
                        btn.Size = UDim2.new(1, 0, 0, 30)
                        btn.Text = text
                        btn.BackgroundColor3 = Color3.fromRGB(0,100,200)
                        btn.Parent = frame
                        btn.MouseButton1Click:Connect(callback)
                    end
                }
            end

            return {
                NewTab = function(self, name)
                    local frame = Instance.new("ScrollingFrame")
                    frame.Size = UDim2.new(0, 220, 0, 260)
                    frame.Position = UDim2.new(0, 10 + (#ScreenGui:GetChildren() * 230), 0, 100)
                    frame.BackgroundColor3 = Color3.fromRGB(30,30,30)
                    frame.Name = name
                    frame.Parent = ScreenGui
                    
                    local title = Instance.new("TextLabel")
                    title.Size = UDim2.new(1, 0, 0, 20)
                    title.Text = name
                    title.TextColor3 = Color3.new(1,1,1)
                    title.BackgroundTransparency = 1
                    title.Parent = frame

                    local listLayout = Instance.new("UIListLayout")
                    listLayout.Parent = frame
                    listLayout.SortOrder = Enum.SortOrder.LayoutOrder

                    return {
                        NewSection = function() return createSection(frame) end
                    }
                end
            }
        end
    }
end

local Window = Library.CreateLib("SCP-096 SL", "DarkTheme")
local TabControl = Window:NewTab("Control")
local TabTeleports = Window:NewTab("Teleports & Teams")
local TabNPCKill = Window:NewTab("NPC Loop Kill")

local SecControl = TabControl:NewSection("SCP-096 State Machine")
local SecTeleports = TabTeleports:NewSection("Utility")
local SecNPCKill = TabNPCKill:NewSection("Fast Loop Kill")

-- Configuration & State Definitions
local BUBBLE_RADIUS = 4.0 
local KILL_DISTANCE = 4.0
local RUN_START_DELAY = 1.2
local MIN_CHASE_DURATION = 4.0
local KILL_ANIMATION_DURATION = 4.0
local HEALTH_MAX = 3000
local CRITICAL_CHANCE = 10
local KILL_COOLDOWN = 1.0
local SUPER_FAR_DISTANCE = 300 

local RUN_TOOL = "096 - Run"
local IDLE_TOOL = "096 - Idle"
local KILL_TOOL = "096 - Kill"

local currentState = "IDLE"
local aiEnabled = false
local manualModeEnabled = false
local npcTestingEnabled = false
local showBubble = false
local fastNpcLoopKillEnabled = false

local currentTarget = nil
local stateStartTime = 0
local chaseStartTime = 0
local touchConnection = nil
local bubblePart = nil
local isKillingActive = false
local lastScanTime = 0
local lastKillEndTime = 0
local lastPathTime = 0

-- Smooth Pathfinding Variables
local lastTargetPos = nil
local currentWaypoints = nil
local currentWaypointIndex = 1

-- Emote & Notice Variables
local hasTriggeredNotice = false
local tPoseTrack = nil

-- Client-Side (FE bypass inside self) Audio Setup
local function createLocalSound(name, id)
    local sound = Instance.new("Sound")
    sound.Name = name
    sound.SoundId = id
    sound.Volume = 1.5
    sound.Looped = true
    sound.Parent = SoundService
    return sound
end

local IdleSound = createLocalSound("IdleSound", "rbxassetid://491877423")
local NoticeSound = createLocalSound("NoticeSound", "rbxassetid://491877470")
local ScreamingSound = createLocalSound("ScreamingSound", "rbxassetid://491877546")
NoticeSound.Looped = false

-- Audio Utils
local function getSoundParent()
    local char = LocalPlayer.Character
    if not char then return SoundService end
    return char:FindFirstChild("HumanoidRootPart") or char:FindFirstChild("Head") or SoundService
end

-- Synchronized Dual Kill Audio
local function playSyncKillAudioFE()
    local parent = getSoundParent()
    
    local sound1 = Instance.new("Sound")
    sound1.SoundId = "rbxassetid://531421188"
    sound1.Volume = 1.5
    sound1.Parent = parent
    
    local sound2 = Instance.new("Sound")
    sound2.SoundId = "rbxassetid://17878427121"
    sound2.Volume = 1.5
    sound2.Parent = parent
    
    sound1:Play()
    sound2:Play()
    
    sound1.Ended:Connect(function() sound1:Destroy() end)
    sound2.Ended:Connect(function() sound2:Destroy() end)
end

-- Input Utils
local function autoClickScreen()
    local char = LocalPlayer.Character
    if char then
        for _, tool in ipairs(char:GetChildren()) do
            if tool:IsA("Tool") then tool:Activate() end
        end
    end
    pcall(function()
        local cam = Workspace.CurrentCamera
        if cam then
            local center = cam.ViewportSize / 2
            VirtualInputManager:SendMouseButtonEvent(center.X, center.Y, 0, true, game, 0)
            task.wait(0.05)
            VirtualInputManager:SendMouseButtonEvent(center.X, center.Y, 0, false, game, 0)
        end
    end)
end

-- Tools & Animation Utils
local function getTool(name)
    local char = LocalPlayer.Character
    if char and char:FindFirstChild(name) then return char:FindFirstChild(name) end
    local backpack = LocalPlayer:FindFirstChild("Backpack")
    return backpack and backpack:FindFirstChild(name)
end

local function equipTool(name)
    local tool = getTool(name)
    local humanoid = LocalPlayer.Character and LocalPlayer.Character:FindFirstChildOfClass("Humanoid")
    if tool and humanoid and tool.Parent ~= LocalPlayer.Character then
        humanoid:EquipTool(tool)
    end
end

local function unequipAllToolsFast()
    local humanoid = LocalPlayer.Character and LocalPlayer.Character:FindFirstChildOfClass("Humanoid")
    if humanoid then humanoid:UnequipTools() end
end

local function isToolEquipped(name)
    local char = LocalPlayer.Character
    return char and char:FindFirstChild(name) ~= nil
end

-- T-Pose Emote Logic
local function playTPoseEmote()
    local character = LocalPlayer.Character
    local humanoid = character and character:FindFirstChildOfClass("Humanoid")
    if not humanoid then return end
    
    local animator = humanoid:FindFirstChildOfClass("Animator") or Instance.new("Animator", humanoid)
    local anim = Instance.new("Animation")
    anim.AnimationId = "rbxassetid://116099256350648"
    
    tPoseTrack = animator:LoadAnimation(anim)
    tPoseTrack.Priority = Enum.AnimationPriority.Action
    tPoseTrack:Play()
    
    if not IdleSound.IsPlaying then IdleSound:Play() end
end

local currentAnimTrack = nil
local function playKillAnimation()
    local character = LocalPlayer.Character
    local humanoid = character and character:FindFirstChildOfClass("Humanoid")
    if not humanoid then return nil end
    local animator = humanoid:FindFirstChildOfClass("Animator") or Instance.new("Animator", humanoid)
    local anim = Instance.new("Animation")
    -- Updated to new Classic SCP 096 Kill Animation
    anim.AnimationId = "rbxassetid://15172539171"
    
    local success, track = pcall(function() return animator:LoadAnimation(anim) end)
    if success and track then
        if currentAnimTrack then currentAnimTrack:Stop() end
        currentAnimTrack = track
        track.Priority = Enum.AnimationPriority.Action4
        track:Play(0.1, 1, 1.0)
        return track
    end
    return nil
end

local function calculateDamage()
    return math.random(1, 100) <= CRITICAL_CHANCE and (10^30 + 10^18) or 500
end

local function executeKillTarget(targetHum)
    if not targetHum or targetHum.Health <= 0 then return end
    local damage = calculateDamage()
    local shotgun = getTool("Shotgun")
    if shotgun and shotgun:FindFirstChild("Receiver") then
        shotgun.Receiver:FireServer("Damage", targetHum, damage)
    else
        targetHum.Health = 0
    end
end

-- State Transitions
local function transitionToIdle()
    currentState = "IDLE"
    currentTarget = nil
    isKillingActive = false
    unequipAllToolsFast()
    equipTool(IDLE_TOOL)
    lastKillEndTime = os.clock()
    
    if ScreamingSound.IsPlaying then ScreamingSound:Stop() end
    if not IdleSound.IsPlaying then IdleSound:Play() end
    
    -- Reset pathfinding smoothing variables
    lastTargetPos = nil
    currentWaypoints = nil
    
    task.spawn(function()
        task.wait(0.15)
        if currentState == "IDLE" then autoClickScreen() end
    end)
end

local function doTeleport()
    local block = Workspace:FindFirstChild("Block")
    if block then
        local parts = block:GetChildren()
        if parts[198] and LocalPlayer.Character then
            local targetPart = parts[198]
            local lookVector = targetPart.CFrame.LookVector
            LocalPlayer.Character:PivotTo(CFrame.new(targetPart.Position, targetPart.Position + lookVector))
        end
    end
    transitionToIdle()
end

local function transitionToRunStart(targetModel)
    if currentState ~= "IDLE" or not targetModel then return end
    if os.clock() - lastKillEndTime < KILL_COOLDOWN then return end
    
    currentState = "RUN_START"
    currentTarget = targetModel
    stateStartTime = os.clock()
    unequipAllToolsFast()
    equipTool(RUN_TOOL)
    
    IdleSound:Stop()
    if not ScreamingSound.IsPlaying then ScreamingSound:Play() end
    
    task.spawn(function()
        task.wait(0.15)
        if currentState == "RUN_START" or currentState == "CHASE" then
            autoClickScreen()
        end
    end)
end

local function transitionToChase()
    if currentState ~= "RUN_START" then return end
    currentState = "CHASE"
    chaseStartTime = os.clock()
end

local function transitionToKill(targetHumanoid)
    if currentState ~= "CHASE" or isKillingActive or not targetHumanoid then return end
    currentState = "KILL"
    isKillingActive = true
    unequipAllToolsFast()
    equipTool(KILL_TOOL)
    playSyncKillAudioFE()

    -- Mute Screaming audio during kill animation
    ScreamingSound.Volume = 0

    local track = playKillAnimation()
    local isPlayer = Players:GetPlayerFromCharacter(targetHumanoid.Parent) ~= nil

    task.spawn(function()
        local startTime = os.clock()
        
        if not isPlayer then
            if track then track:AdjustSpeed(10) end 
            local godModeTriggered = false
            
            while targetHumanoid and targetHumanoid.Parent and targetHumanoid.Health > 0 do
                executeKillTarget(targetHumanoid)
                
                if os.clock() - startTime > 2.0 and not godModeTriggered then
                    godModeTriggered = true
                    if track then track:Stop() end
                    local hum = LocalPlayer.Character and LocalPlayer.Character:FindFirstChildOfClass("Humanoid")
                    if hum then
                        for _, playingTrack in ipairs(hum:GetPlayingAnimationTracks()) do
                            playingTrack:Stop()
                        end
                    end
                end
                task.wait(0.1) 
            end
        else
            local animDuration = (track and track.Length > 0) and track.Length or KILL_ANIMATION_DURATION
            while (os.clock() - startTime < animDuration) do
                if targetHumanoid and targetHumanoid.Parent and targetHumanoid.Health > 0 then
                    executeKillTarget(targetHumanoid)
                end
                task.wait(0.15)
            end
        end
        
        if track then track:Stop() end
        
        -- Restore Screaming audio volume and go Idle, stopping chase
        ScreamingSound.Volume = 1.5
        transitionToIdle()
    end)
end

-- Invisible Kill Tool
local function giveCustomKillTool()
    local backpack = LocalPlayer:FindFirstChild("Backpack") or (LocalPlayer.Character and LocalPlayer.Character:FindFirstChild("Backpack"))
    if not backpack then return end

    local oldTool = backpack:FindFirstChild(KILL_TOOL) or (LocalPlayer.Character and LocalPlayer.Character:FindFirstChild(KILL_TOOL))
    if oldTool then oldTool:Destroy() end

    local killTool = Instance.new("Tool")
    killTool.Name = KILL_TOOL
    killTool.RequiresHandle = true
    killTool.CanBeDropped = false
    killTool.Parent = backpack

    local handle = Instance.new("Part")
    handle.Name = "Handle"
    handle.Size = Vector3.new(1, 1, 1)
    handle.Transparency = 1
    handle.CanCollide = false
    handle.Parent = killTool
end

-- Touch Detection (Includes Fixed Manual Touch Kill)
local function setupTouchListener()
    if touchConnection then touchConnection:Disconnect() end
    local char = LocalPlayer.Character
    if not char then return end
    local root = char:FindFirstChild("HumanoidRootPart") or char:FindFirstChild("Torso")
    if not root then return end

    touchConnection = root.Touched:Connect(function(hit)
        local hitModel = hit.Parent
        if not hitModel or hitModel == char then return end
        local pHum = hitModel:FindFirstChildOfClass("Humanoid")
        if not pHum or pHum.Health <= 0 then return end

        if manualModeEnabled and isToolEquipped(KILL_TOOL) and not isKillingActive then
            if os.clock() - lastKillEndTime < KILL_COOLDOWN then return end
            isKillingActive = true
            playSyncKillAudioFE()
            ScreamingSound.Volume = 0
            
            local track = playKillAnimation()
            local animDuration = (track and track.Length > 0) and track.Length or KILL_ANIMATION_DURATION

            task.spawn(function()
                local startTime = os.clock()
                while (os.clock() - startTime < animDuration) do
                    executeKillTarget(pHum)
                    task.wait(0.15)
                end
                if track then track:Stop() end
                isKillingActive = false
                lastKillEndTime = os.clock()
                ScreamingSound.Volume = 1.5
            end)
        elseif aiEnabled and currentState == "IDLE" then
            if os.clock() - lastKillEndTime < KILL_COOLDOWN then return end
            local isPlayer = Players:GetPlayerFromCharacter(hitModel) ~= nil
            if not npcTestingEnabled or not isPlayer then
                transitionToRunStart(hitModel)
            end
        end
    end)
end

-- Initialization & Respawn
LocalPlayer.CharacterAdded:Connect(function(newChar)
    task.wait(0.5)
    setupTouchListener()
    playTPoseEmote()
end)
if LocalPlayer.Character then 
    setupTouchListener() 
    playTPoseEmote()
end

-- UI: Tab 1 - Control
SecControl:NewButton("Get shotgun", "Teleport to shotgun and equip", function()
    if LocalPlayer.Character and LocalPlayer.Character:FindFirstChild("HumanoidRootPart") then
        LocalPlayer.Character:PivotTo(CFrame.new(-789.93, 3.0, 27.41))
        task.wait(0.1)
        VirtualInputManager:SendKeyEvent(true, Enum.KeyCode.E, false, game)
        task.wait(0.05)
        VirtualInputManager:SendKeyEvent(false, Enum.KeyCode.E, false, game)
    end
end)
SecControl:NewButton("Give custom 096 - Kill", "Creates invisible kill tool", giveCustomKillTool)
SecControl:NewToggle("Act like 096 (State Machine AI)", "Strict sequence AI", function(state)
    aiEnabled = state
    manualModeEnabled = false; npcTestingEnabled = false
    transitionToIdle()
    if state and not getTool(KILL_TOOL) then giveCustomKillTool() end
end)
SecControl:NewToggle("Manual Control", "Touch-kill only works when 096 - Kill is equipped", function(state)
    manualModeEnabled = state
    if state then aiEnabled = false; npcTestingEnabled = false; currentTarget = nil end
end)
SecControl:NewToggle("Show Bubble", "Display 4.0 stud detection bubble", function(state)
    showBubble = state
    if not state and bubblePart then bubblePart:Destroy(); bubblePart = nil end
end)

-- UI: Tab 2 - Teleports & Teams
SecTeleports:NewButton("FE Custom Team (Scp096Sl)", "Creates & joins team so you take gun damage", function()
    local team = Teams:FindFirstChild("Scp096Sl")
    if not team then
        team = Instance.new("Team")
        team.Name = "Scp096Sl"
        team.TeamColor = BrickColor.new("Really red")
        team.AutoAssignable = false
        team.Parent = Teams
    end
    LocalPlayer.Team = team
end)
SecTeleports:NewButton("FE Name Tag Remover", "Removes Billboard/SurfaceGuis and DisplayNames", function()
    local char = LocalPlayer.Character
    if not char then return end
    for _, v in ipairs(char:GetDescendants()) do
        if v:IsA("BillboardGui") or v:IsA("SurfaceGui") then
            v.Enabled = false; v:Destroy()
        end
    end
    local hum = char:FindFirstChildOfClass("Humanoid")
    if hum then hum.DisplayDistanceType = Enum.HumanoidDisplayDistanceType.None end
end)
SecTeleports:NewButton("Teleport to Place Manually", "Teleports to block 198, resets chases", doTeleport)

-- UI: Tab 3 - NPC Kill
SecNPCKill:NewToggle("Fast Loop Kill NPC", "Instantly loops shotgun damage on SCP 096SL without lag/sound", function(state)
    fastNpcLoopKillEnabled = state
end)

-- Background Loops
-- 1. Fast NPC Loop Kill
task.spawn(function()
    while task.wait() do
        if fastNpcLoopKillEnabled then
            local target = Workspace:FindFirstChild("SCP 096SL")
            if target then
                local tHum = target:FindFirstChildOfClass("Humanoid")
                if tHum and tHum.Health > 0 then
                    local shotgun = getTool("Shotgun")
                    if shotgun and shotgun:FindFirstChild("Receiver") then
                        shotgun.Receiver:FireServer("Damage", tHum, 10^30)
                    end
                end
            end
        end
    end
end)

-- 2. NPC Ignore & Fast Regen (God Mode)
task.spawn(function()
    while task.wait(0.1) do
        local char = LocalPlayer.Character
        if char then
            local hum = char:FindFirstChildOfClass("Humanoid")
            if hum then
                hum.MaxHealth = 3000
                if hum.Health < 3000 then hum.Health = 3000 end
            end
            
            -- Clear player tags so NPCs ignore the user
            local pTag = char:FindFirstChild("Player") or char:FindFirstChild("TargetTag")
            if pTag then pTag:Destroy() end
        end
    end
end)

-- Main State Machine Loop
RunService.RenderStepped:Connect(function()
    local char = LocalPlayer.Character
    local humanoid = char and char:FindFirstChildOfClass("Humanoid")
    local root = char and char:FindFirstChild("HumanoidRootPart")

    if showBubble then
        if not bubblePart then
            bubblePart = Instance.new("Part")
            bubblePart.Shape = Enum.PartType.Ball; bubblePart.Size = Vector3.new(BUBBLE_RADIUS*2, BUBBLE_RADIUS*2, BUBBLE_RADIUS*2)
            bubblePart.Transparency = 0.7; bubblePart.Anchored = true; bubblePart.CanCollide = false
            bubblePart.Material = Enum.Material.ForceField; bubblePart.BrickColor = BrickColor.new("Cyan")
            bubblePart.Parent = Workspace
            
            bubblePart.Touched:Connect(function(hit)
                if not aiEnabled or currentState ~= "IDLE" then return end
                local hitModel = hit.Parent
                if hitModel and hitModel ~= char then
                    local hum = hitModel:FindFirstChildOfClass("Humanoid")
                    if hum and hum.Health > 0 then
                        equipTool(RUN_TOOL)
                        autoClickScreen()
                        transitionToRunStart(hitModel)
                    end
                end
            end)
        end
        if root then bubblePart.Position = root.Position end
    end

    if not aiEnabled or not char or not humanoid or not root then return end

    -- Notice Trigger Detection
    if not hasTriggeredNotice and currentState == "IDLE" then
        for _, player in ipairs(Players:GetPlayers()) do
            if player ~= LocalPlayer then
                local pChar = player.Character
                local pRoot = pChar and (pChar:FindFirstChild("HumanoidRootPart") or pChar:FindFirstChild("Torso"))
                if pRoot and (root.Position - pRoot.Position).Magnitude <= 9 then
                    hasTriggeredNotice = true
                    if tPoseTrack then tPoseTrack:Stop() end
                    
                    IdleSound:Stop()
                    NoticeSound:Play()
                    
                    -- Reset Idle Animation by unequipping and equipping
                    unequipAllToolsFast()
                    task.wait(0.1)
                    equipTool(IDLE_TOOL)
                    
                    -- Play sound again after reset
                    IdleSound:Play()
                    break
                end
            end
        end
    end

    if currentState == "IDLE" then
        if not isToolEquipped(IDLE_TOOL) then unequipAllToolsFast(); equipTool(IDLE_TOOL) end
        if os.clock() - lastKillEndTime < KILL_COOLDOWN then return end
        
        if os.clock() - lastScanTime >= 0.2 then
            lastScanTime = os.clock()
            
            local specificTarget = Workspace:FindFirstChild("SCP 096SL")
            if specificTarget then
                local tRoot = specificTarget:FindFirstChild("HumanoidRootPart")
                local tHum = specificTarget:FindFirstChildOfClass("Humanoid")
                if tRoot and tHum and tHum.Health > 0 and (root.Position - tRoot.Position).Magnitude <= BUBBLE_RADIUS then
                    transitionToRunStart(specificTarget)
                    return
                end
            end

            for _, player in ipairs(Players:GetPlayers()) do
                if player ~= LocalPlayer then
                    local pChar = player.Character
                    local pRoot = pChar and (pChar:FindFirstChild("HumanoidRootPart") or pChar:FindFirstChild("Torso"))
                    local pHum = pChar and pChar:FindFirstChildOfClass("Humanoid")
                    if pRoot and pHum and pHum.Health > 0 and (root.Position - pRoot.Position).Magnitude <= BUBBLE_RADIUS then
                        transitionToRunStart(pChar)
                        return
                    end
                end
            end
        end

    elseif currentState == "RUN_START" then
        if not isToolEquipped(RUN_TOOL) then unequipAllToolsFast(); equipTool(RUN_TOOL) end
        if os.clock() - stateStartTime >= RUN_START_DELAY then transitionToChase() end

    elseif currentState == "CHASE" then
        if not currentTarget or not currentTarget.Parent then transitionToIdle(); return end
        local targetHum = currentTarget:FindFirstChildOfClass("Humanoid")
        local targetRoot = currentTarget:FindFirstChild("HumanoidRootPart") or currentTarget:FindFirstChild("Torso")

        if targetHum and targetHum.Health <= 0 then
            transitionToIdle()
            return
        end

        if not targetHum or not targetRoot then transitionToIdle(); return end
        if not isToolEquipped(RUN_TOOL) then unequipAllToolsFast(); equipTool(RUN_TOOL) end

        local distToTarget = (root.Position - targetRoot.Position).Magnitude
        
        if distToTarget > SUPER_FAR_DISTANCE then
            -- Target is too far, freeze movement but maintain state and run animation
            humanoid:MoveTo(root.Position) 
        else
            if os.clock() - lastPathTime >= 0.2 then
                lastPathTime = os.clock()
                local targetPos = targetRoot.Position
                
                if not lastTargetPos or (lastTargetPos - targetPos).Magnitude > 3.0 then
                    lastTargetPos = targetPos
                    -- Smart Pathfinding Config
                    local path = PathfindingService:CreatePath({
                        AgentRadius = 2.0, 
                        AgentHeight = 5.0, 
                        WaypointSpacing = 4.0,
                        AgentCanJump = true
                    })
                    path:ComputeAsync(root.Position, targetPos)
                    
                    if path.Status == Enum.PathStatus.Success then
                        currentWaypoints = path:GetWaypoints()
                        currentWaypointIndex = 2
                    else
                        -- Path blocked (doors closed, tall places), clear waypoints
                        currentWaypoints = nil
                    end
                end
            end

            if currentWaypoints and currentWaypointIndex <= #currentWaypoints then
                local targetWp = currentWaypoints[currentWaypointIndex].Position
                humanoid:MoveTo(targetWp)
                
                if (root.Position - Vector3.new(targetWp.X, root.Position.Y, targetWp.Z)).Magnitude < 3.5 then
                    currentWaypointIndex = currentWaypointIndex + 1
                end
            else
                -- Freeze if target is unreachable (behind door/tall place), but maintain run tool
                humanoid:MoveTo(root.Position)
            end
        end

        if distToTarget <= KILL_DISTANCE and (os.clock() - chaseStartTime) >= MIN_CHASE_DURATION then
            transitionToKill(targetHum)
        end

    elseif currentState == "KILL" then
        if currentTarget then
            local targetRoot = currentTarget:FindFirstChild("HumanoidRootPart") or currentTarget:FindFirstChild("Torso")
            if targetRoot then humanoid:MoveTo(targetRoot.Position) end
        end
    end
end)