-- c00lkidd GUI Remake with server join message
local ScreenGui = Instance.new("ScreenGui")
local MainFrame = Instance.new("Frame")
local TitleLabel = Instance.new("TextLabel")
local ButtonRed = Instance.new("TextButton")
local ButtonAvatar = Instance.new("TextButton")
local ButtonDisco = Instance.new("TextButton")
local CloseButton = Instance.new("TextButton")
local Sound = Instance.new("Sound")

-- ✅ Show system message in chat
local StarterGui = game:GetService("StarterGui")
StarterGui:SetCore("ChatMakeSystemMessage", {
    Text = "Server: c00lkidd has joined the server.";
    Color = Color3.fromRGB(255, 0, 0);
    Font = Enum.Font.SciFi;
    FontSize = Enum.FontSize.Size24;
})

-- GUI Setup
ScreenGui.Parent = game.Players.LocalPlayer:WaitForChild("PlayerGui")

MainFrame.Size = UDim2.new(0, 300, 0, 240)
MainFrame.Position = UDim2.new(0.5, -150, 0.5, -120)
MainFrame.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
MainFrame.BorderSizePixel = 4
MainFrame.BorderColor3 = Color3.fromRGB(255, 0, 0)
MainFrame.Active = true
MainFrame.Draggable = true
MainFrame.Parent = ScreenGui

TitleLabel.Text = "c00lgui Remake"
TitleLabel.Size = UDim2.new(1, -40, 0, 40)
TitleLabel.Position = UDim2.new(0, 0, 0, 0)
TitleLabel.BackgroundTransparency = 1
TitleLabel.TextColor3 = Color3.fromRGB(255, 0, 0)
TitleLabel.Font = Enum.Font.SciFi
TitleLabel.TextSize = 24
TitleLabel.Parent = MainFrame

-- Close Button
CloseButton.Text = "X"
CloseButton.Size = UDim2.new(0, 40, 0, 40)
CloseButton.Position = UDim2.new(1, -40, 0, 0)
CloseButton.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
CloseButton.TextColor3 = Color3.fromRGB(255, 255, 255)
CloseButton.Font = Enum.Font.SciFi
CloseButton.TextSize = 20
CloseButton.Parent = MainFrame
CloseButton.MouseButton1Click:Connect(function()
    ScreenGui:Destroy()
end)

-- Turn Parts Red Button
ButtonRed.Text = "Turn Parts Red"
ButtonRed.Size = UDim2.new(0, 120, 0, 40)
ButtonRed.Position = UDim2.new(0, 10, 0, 50)
ButtonRed.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
ButtonRed.TextColor3 = Color3.fromRGB(255, 255, 255)
ButtonRed.Parent = MainFrame
ButtonRed.MouseButton1Click:Connect(function()
    for _, part in pairs(workspace:GetDescendants()) do
        if part:IsA("BasePart") then
            part.BrickColor = BrickColor.new("Bright red")
        end
    end
end)

-- Avatar Button
ButtonAvatar.Text = "Avatar"
ButtonAvatar.Size = UDim2.new(0, 120, 0, 40)
ButtonAvatar.Position = UDim2.new(0, 10, 0, 100)
ButtonAvatar.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
ButtonAvatar.TextColor3 = Color3.fromRGB(255, 255, 255)
ButtonAvatar.Parent = MainFrame
ButtonAvatar.MouseButton1Click:Connect(function()
    local player = game.Players.LocalPlayer
    local char = player.Character or player.CharacterAdded:Wait()
    local hum = char:FindFirstChildOfClass("Humanoid")

    if hum then
        hum.DisplayName = "c00lkidd"

        for _, item in pairs(char:GetChildren()) do
            if item:IsA("Shirt") or item:IsA("Pants") then item:Destroy() end
        end

        local shirt = Instance.new("Shirt")
        shirt.ShirtTemplate = "rbxassetid://433618804"
        shirt.Parent = char

        local pants = Instance.new("Pants")
        pants.PantsTemplate = "rbxassetid://511271773"
        pants.Parent = char

        print("You're officially rocking the c00lkidd look 🧢")
    end
end)

-- Disco Button
ButtonDisco.Text = "Disco"
ButtonDisco.Size = UDim2.new(0, 120, 0, 40)
ButtonDisco.Position = UDim2.new(0, 160, 0, 50)
ButtonDisco.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
ButtonDisco.TextColor3 = Color3.fromRGB(255, 255, 255)
ButtonDisco.Parent = MainFrame

Sound.SoundId = "rbxassetid://138081566"
Sound.Volume = 1
Sound.Looped = false
Sound.Parent = ScreenGui

ButtonDisco.MouseButton1Click:Connect(function()
    Sound:Play()
    local fog = Instance.new("Atmosphere")
    fog.Color = Color3.new(1, 0, 0)
    fog.Density = 0.5
    fog.Parent = game.Lighting
    game.Lighting.FogColor = Color3.new(1, 0, 0)
    game.Lighting.FogEnd = 100
end)