--// COOL STUDIOS V5.1 SINGLE SCRIPT
--// Key: CoolStudiosistGeil

local Players = game:GetService("Players")
local UIS = game:GetService("UserInputService")

local player = Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()

------------------------------------------------
-- FUNCTIONS
------------------------------------------------

local function refresh()
    char = player.Character or player.CharacterAdded:Wait()
end

------------------------------------------------
-- GUI
------------------------------------------------

local gui = Instance.new("ScreenGui")
gui.Name = "CoolStudiosV5"
gui.Parent = player:WaitForChild("PlayerGui")

------------------------------------------------
-- KEY SYSTEM
------------------------------------------------

local keyFrame = Instance.new("Frame")
keyFrame.Size = UDim2.new(0, 300, 0, 160)
keyFrame.Position = UDim2.new(0.5, -150, 0.5, -80)
keyFrame.BackgroundColor3 = Color3.fromRGB(35, 0, 60)
keyFrame.Parent = gui
Instance.new("UICorner", keyFrame).CornerRadius = UDim.new(0,10)

local input = Instance.new("TextBox")
input.Size = UDim2.new(0.9,0,0,40)
input.Position = UDim2.new(0.05,0,0,50)
input.PlaceholderText = "Enter Key..."
input.Parent = keyFrame

local enter = Instance.new("TextButton")
enter.Size = UDim2.new(0.9,0,0,40)
enter.Position = UDim2.new(0.05,0,0,100)
enter.Text = "Unlock"
enter.Parent = keyFrame

------------------------------------------------
-- MAIN GUI
------------------------------------------------

local main = Instance.new("Frame")
main.Size = UDim2.new(0, 380, 0, 480)
main.Position = UDim2.new(0.05,0,0.25,0)
main.BackgroundColor3 = Color3.fromRGB(25,0,45)
main.Visible = false
main.Parent = gui
Instance.new("UICorner", main)

------------------------------------------------
-- TOPBAR
------------------------------------------------

local top = Instance.new("Frame")
top.Size = UDim2.new(1,0,0,35)
top.BackgroundColor3 = Color3.fromRGB(70,0,120)
top.Parent = main

local title = Instance.new("TextLabel")
title.Size = UDim2.new(1,0,1,0)
title.Text = "💜 Cool Studios V5.1"
title.TextColor3 = Color3.fromRGB(255,255,255)
title.BackgroundTransparency = 1
title.Parent = top

local close = Instance.new("TextButton")
close.Size = UDim2.new(0,35,1,0)
close.Position = UDim2.new(1,-35,0,0)
close.Text = "X"
close.Parent = top

local mini = Instance.new("TextButton")
mini.Size = UDim2.new(0,35,1,0)
mini.Position = UDim2.new(1,-70,0,0)
mini.Text = "-"
mini.Parent = top

------------------------------------------------
-- DRAG
------------------------------------------------

local dragging, dragStart, startPos

top.InputBegan:Connect(function(i)
    if i.UserInputType == Enum.UserInputType.MouseButton1 then
        dragging = true
        dragStart = i.Position
        startPos = main.Position
    end
end)

UIS.InputChanged:Connect(function(i)
    if dragging and i.UserInputType == Enum.UserInputType.MouseMovement then
        local delta = i.Position - dragStart
        main.Position = UDim2.new(startPos.X.Scale, startPos.X.Offset + delta.X,
                                  startPos.Y.Scale, startPos.Y.Offset + delta.Y)
    end
end)

top.InputEnded:Connect(function()
    dragging = false
end)

------------------------------------------------
-- KEY CHECK
------------------------------------------------

enter.MouseButton1Click:Connect(function()
    if input.Text == "CoolStudiosistGeil" then
        keyFrame.Visible = false
        main.Visible = true
    else
        input.Text = "Wrong Key"
    end
end)

------------------------------------------------
-- MINIMIZE + CLOSE
------------------------------------------------

local minimized = false

mini.MouseButton1Click:Connect(function()
    minimized = not minimized
    for _,v in pairs(main:GetChildren()) do
        if v ~= top then
            v.Visible = not minimized
        end
    end
    main.Size = minimized and UDim2.new(0,380,0,35) or UDim2.new(0,380,0,480)
end)

close.MouseButton1Click:Connect(function()
    gui:Destroy()
end)

------------------------------------------------
-- FEATURES
------------------------------------------------

local flying = false
local bv

local speed = false
local jump = false
local invis = false

------------------------------------------------
-- SPEED
------------------------------------------------

local speedBtn = Instance.new("TextButton")
speedBtn.Size = UDim2.new(0.9,0,0,40)
speedBtn.Position = UDim2.new(0.05,0,0,50)
speedBtn.Text = "🚀 Speed"
speedBtn.Parent = main

speedBtn.MouseButton1Click:Connect(function()
    refresh()
    local hum = char:FindFirstChildOfClass("Humanoid")
    speed = not speed
    hum.WalkSpeed = speed and 35 or 16
end)

------------------------------------------------
-- JUMP
------------------------------------------------

local jumpBtn = Instance.new("TextButton")
jumpBtn.Size = UDim2.new(0.9,0,0,40)
jumpBtn.Position = UDim2.new(0.05,0,0,100)
jumpBtn.Text = "🦘 Jump"
jumpBtn.Parent = main

jumpBtn.MouseButton1Click:Connect(function()
    refresh()
    local hum = char:FindFirstChildOfClass("Humanoid")
    jump = not jump
    hum.JumpPower = jump and 120 or 50
end)

------------------------------------------------
-- INVIS
------------------------------------------------

local invisBtn = Instance.new("TextButton")
invisBtn.Size = UDim2.new(0.9,0,0,40)
invisBtn.Position = UDim2.new(0.05,0,0,150)
invisBtn.Text = "👻 Invis"
invisBtn.Parent = main

invisBtn.MouseButton1Click:Connect(function()
    refresh()
    invis = not invis

    for _,v in pairs(char:GetDescendants()) do
        if v:IsA("BasePart") then
            v.Transparency = invis and 0.7 or 0
        end
    end
end)

------------------------------------------------
-- FLY
------------------------------------------------

local flyBtn = Instance.new("TextButton")
flyBtn.Size = UDim2.new(0.9,0,0,40)
flyBtn.Position = UDim2.new(0.05,0,0,200)
flyBtn.Text = "🛸 Fly"
flyBtn.Parent = main

flyBtn.MouseButton1Click:Connect(function()
    refresh()
    local root = char:FindFirstChild("HumanoidRootPart")

    flying = not flying

    if flying then
        bv = Instance.new("BodyVelocity")
        bv.MaxForce = Vector3.new(1e9,1e9,1e9)
        bv.Velocity = Vector3.new(0,60,0)
        bv.Parent = root
    else
        if bv then bv:Destroy() end
    end
end)

------------------------------------------------
-- TP PLAYER (LOCAL ONLY)
------------------------------------------------

local index = 1
local selected

local tpBtn = Instance.new("TextButton")
tpBtn.Size = UDim2.new(0.9,0,0,40)
tpBtn.Position = UDim2.new(0.05,0,0,250)
tpBtn.Text = "📍 TP Player"
tpBtn.Parent = main

tpBtn.MouseButton1Click:Connect(function()
    local list = Players:GetPlayers()
    local targets = {}

    for _,p in pairs(list) do
        if p ~= player then
            table.insert(targets, p)
        end
    end

    if #targets == 0 then return end

    index += 1
    if index > #targets then index = 1 end

    selected = targets[index]
    tpBtn.Text = "📍 " .. selected.Name

    local myRoot = char:FindFirstChild("HumanoidRootPart")
    local tRoot = selected.Character and selected.Character:FindFirstChild("HumanoidRootPart")

    if myRoot and tRoot then
        myRoot.CFrame = tRoot.CFrame * CFrame.new(2,0,2)
    end
end)

------------------------------------------------
-- CHAT COMMANDS 💬
------------------------------------------------

player.Chatted:Connect(function(msg)
    msg = msg:lower()

    refresh()
    local hum = char:FindFirstChildOfClass("Humanoid")
    local root = char:FindFirstChild("HumanoidRootPart")

    if msg == ":fly" then
        flying = true
        bv = Instance.new("BodyVelocity")
        bv.MaxForce = Vector3.new(1e9,1e9,1e9)
        bv.Velocity = Vector3.new(0,60,0)
        bv.Parent = root
    end

    if msg == ":unfly" then
        flying = false
        if bv then bv:Destroy() end
    end

    if msg == ":speed" then hum.WalkSpeed = 35 end
    if msg == ":unspeed" then hum.WalkSpeed = 16 end

    if msg == ":jump" then hum.JumpPower = 120 end
    if msg == ":unjump" then hum.JumpPower = 50 end

    if msg == ":invis" then
        for _,v in pairs(char:GetDescendants()) do
            if v:IsA("BasePart") then
                v.Transparency = 0.7
            end
        end
    end

    if msg == ":vis" then
        for _,v in pairs(char:GetDescendants()) do
            if v:IsA("BasePart") then
                v.Transparency = 0
            end
        end
    end
end)