-- ONE LocalScript
-- Put in StarterPlayer > StarterPlayerScripts

local Players = game:GetService("Players")
local TextChatService = game:GetService("TextChatService")
local UserInputService = game:GetService("UserInputService")
local TweenService = game:GetService("TweenService")

local LP = Players.LocalPlayer
local PG = LP:WaitForChild("PlayerGui")

--==================================================
-- COLORS
--==================================================

local BLUE = Color3.fromRGB(0,170,255)
local CYAN = Color3.fromRGB(0,255,255)
local PURPLE = Color3.fromRGB(150,70,255)

local BG = Color3.fromRGB(7,9,14)
local PANEL = Color3.fromRGB(15,18,27)
local PANEL2 = Color3.fromRGB(24,28,40)

local WHITE = Color3.fromRGB(245,248,255)
local GRAY = Color3.fromRGB(145,150,165)

--==================================================
-- MAIN GUI
--==================================================

local GUI = Instance.new("ScreenGui")
GUI.Name = "NexusChat"
GUI.ResetOnSpawn = false
GUI.IgnoreGuiInset = true
GUI.Parent = PG

local Main = Instance.new("Frame")
Main.Size = UDim2.fromOffset(470,410)
Main.Position = UDim2.new(.5,-235,.5,-205)
Main.BackgroundColor3 = BG
Main.BorderSizePixel = 0
Main.Active = true
Main.Parent = GUI

Instance.new("UICorner",Main).CornerRadius = UDim.new(0,25)

local Border = Instance.new("UIStroke")
Border.Color = BLUE
Border.Thickness = 2
Border.Transparency = .1
Border.Parent = Main

--==================================================
-- GLOW
--==================================================

local Glow = Instance.new("Frame")
Glow.Size = UDim2.new(1,45,1,45)
Glow.Position = UDim2.fromOffset(-22,-22)
Glow.BackgroundColor3 = BLUE
Glow.BackgroundTransparency = .94
Glow.BorderSizePixel = 0
Glow.ZIndex = -1
Glow.Parent = Main

Instance.new("UICorner",Glow).CornerRadius = UDim.new(0,32)

task.spawn(function()

	while Main.Parent do

		TweenService:Create(
			Glow,
			TweenInfo.new(1.5,Enum.EasingStyle.Sine,Enum.EasingDirection.InOut),
			{
				BackgroundColor3 = CYAN,
				BackgroundTransparency = .87
			}
		):Play()

		TweenService:Create(
			Border,
			TweenInfo.new(1.5),
			{Color = CYAN}
		):Play()

		task.wait(1.5)

		TweenService:Create(
			Glow,
			TweenInfo.new(1.5,Enum.EasingStyle.Sine,Enum.EasingDirection.InOut),
			{
				BackgroundColor3 = PURPLE,
				BackgroundTransparency = .94
			}
		):Play()

		TweenService:Create(
			Border,
			TweenInfo.new(1.5),
			{Color = PURPLE}
		):Play()

		task.wait(1.5)

	end

end)

--==================================================
-- TOP BAR
--==================================================

local Top = Instance.new("Frame")
Top.Size = UDim2.new(1,0,0,72)
Top.BackgroundColor3 = PANEL
Top.BorderSizePixel = 0
Top.Active = true
Top.Parent = Main

Instance.new("UICorner",Top).CornerRadius = UDim.new(0,25)

local Logo = Instance.new("TextLabel")
Logo.Size = UDim2.fromOffset(54,54)
Logo.Position = UDim2.fromOffset(10,9)
Logo.BackgroundColor3 = BLUE
Logo.Text = "⚡"
Logo.TextSize = 29
Logo.Parent = Top

Instance.new("UICorner",Logo).CornerRadius = UDim.new(0,17)

local Title = Instance.new("TextLabel")
Title.Size = UDim2.new(1,-190,0,30)
Title.Position = UDim2.fromOffset(76,8)
Title.BackgroundTransparency = 1
Title.Text = "NEXUS CHAT"
Title.TextColor3 = WHITE
Title.TextSize = 21
Title.Font = Enum.Font.GothamBlack
Title.TextXAlignment = Enum.TextXAlignment.Left
Title.Parent = Top

local Status = Instance.new("TextLabel")
Status.Size = UDim2.new(1,-190,0,20)
Status.Position = UDim2.fromOffset(77,38)
Status.BackgroundTransparency = 1
Status.Text = "● LOCAL VISUAL MODE"
Status.TextColor3 = Color3.fromRGB(80,255,160)
Status.TextSize = 11
Status.Font = Enum.Font.GothamBold
Status.TextXAlignment = Enum.TextXAlignment.Left
Status.Parent = Top

local Min = Instance.new("TextButton")
Min.Size = UDim2.fromOffset(42,42)
Min.Position = UDim2.new(1,-100,0,15)
Min.BackgroundColor3 = PANEL2
Min.Text = "—"
Min.TextColor3 = WHITE
Min.TextSize = 20
Min.Font = Enum.Font.GothamBold
Min.Parent = Top

Instance.new("UICorner",Min).CornerRadius = UDim.new(0,13)

local Close = Instance.new("TextButton")
Close.Size = UDim2.fromOffset(42,42)
Close.Position = UDim2.new(1,-52,0,15)
Close.BackgroundColor3 = Color3.fromRGB(55,25,40)
Close.Text = "×"
Close.TextColor3 = Color3.fromRGB(255,110,145)
Close.TextSize = 25
Close.Font = Enum.Font.GothamBold
Close.Parent = Top

Instance.new("UICorner",Close).CornerRadius = UDim.new(0,13)

--==================================================
-- PLAYER SELECTOR
--==================================================

local PlayerArea = Instance.new("Frame")
PlayerArea.Size = UDim2.new(1,-30,0,58)
PlayerArea.Position = UDim2.fromOffset(15,87)
PlayerArea.BackgroundColor3 = PANEL
PlayerArea.BorderSizePixel = 0
PlayerArea.Parent = Main

Instance.new("UICorner",PlayerArea).CornerRadius = UDim.new(0,16)

local Avatar = Instance.new("ImageLabel")
Avatar.Size = UDim2.fromOffset(46,46)
Avatar.Position = UDim2.fromOffset(6,6)
Avatar.BackgroundColor3 = PANEL2
Avatar.Parent = PlayerArea

Instance.new("UICorner",Avatar).CornerRadius = UDim.new(0,13)

local PlayerButton = Instance.new("TextButton")
PlayerButton.Size = UDim2.new(1,-65,1,0)
PlayerButton.Position = UDim2.fromOffset(62,0)
PlayerButton.BackgroundTransparency = 1
PlayerButton.Text = "👤  Select a player..."
PlayerButton.TextColor3 = GRAY
PlayerButton.TextSize = 14
PlayerButton.Font = Enum.Font.Gotham
PlayerButton.TextXAlignment = Enum.TextXAlignment.Left
PlayerButton.Parent = PlayerArea

--==================================================
-- PLAYER DROPDOWN
--==================================================

local Dropdown = Instance.new("ScrollingFrame")
Dropdown.Size = UDim2.new(1,-30,0,145)
Dropdown.Position = UDim2.fromOffset(15,150)
Dropdown.BackgroundColor3 = PANEL2
Dropdown.BorderSizePixel = 0
Dropdown.ScrollBarThickness = 4
Dropdown.Visible = false
Dropdown.ZIndex = 20
Dropdown.Parent = Main

Instance.new("UICorner",Dropdown).CornerRadius = UDim.new(0,15)

local Layout = Instance.new("UIListLayout")
Layout.Padding = UDim.new(0,5)
Layout.Parent = Dropdown

local Padding = Instance.new("UIPadding")
Padding.PaddingTop = UDim.new(0,7)
Padding.PaddingLeft = UDim.new(0,7)
Padding.PaddingRight = UDim.new(0,7)
Padding.Parent = Dropdown

--==================================================
-- MESSAGE BOX
--==================================================

local MessageBox = Instance.new("TextBox")
MessageBox.Size = UDim2.new(1,-30,0,55)
MessageBox.Position = UDim2.fromOffset(15,155)
MessageBox.BackgroundColor3 = PANEL
MessageBox.TextColor3 = WHITE
MessageBox.PlaceholderColor3 = GRAY
MessageBox.PlaceholderText = "✦  Type a message..."
MessageBox.Text = ""
MessageBox.TextSize = 14
MessageBox.Font = Enum.Font.Gotham
MessageBox.ClearTextOnFocus = false
MessageBox.TextXAlignment = Enum.TextXAlignment.Left
MessageBox.Parent = Main

Instance.new("UICorner",MessageBox).CornerRadius = UDim.new(0,16)

--==================================================
-- PREVIEW
--==================================================

local PreviewTitle = Instance.new("TextLabel")
PreviewTitle.Size = UDim2.new(1,-30,0,20)
PreviewTitle.Position = UDim2.fromOffset(15,220)
PreviewTitle.BackgroundTransparency = 1
PreviewTitle.Text = "LIVE PREVIEW"
PreviewTitle.TextColor3 = BLUE
PreviewTitle.TextSize = 10
PreviewTitle.Font = Enum.Font.GothamBold
PreviewTitle.TextXAlignment = Enum.TextXAlignment.Left
PreviewTitle.Parent = Main

local Preview = Instance.new("TextLabel")
Preview.Size = UDim2.new(1,-30,0,38)
Preview.Position = UDim2.fromOffset(15,240)
Preview.BackgroundColor3 = PANEL
Preview.Text = "   Player: ..."
Preview.TextColor3 = WHITE
Preview.TextSize = 13
Preview.Font = Enum.Font.Gotham
Preview.TextXAlignment = Enum.TextXAlignment.Left
Preview.TextTruncate = Enum.TextTruncate.AtEnd
Preview.Parent = Main

Instance.new("UICorner",Preview).CornerRadius = UDim.new(0,12)

--==================================================
-- SEND BUTTON
--==================================================

local Send = Instance.new("TextButton")
Send.Size = UDim2.new(1,-30,0,55)
Send.Position = UDim2.fromOffset(15,290)
Send.BackgroundColor3 = BLUE
Send.Text = "⚡  SEND TO CHAT + BUBBLE"
Send.TextColor3 = WHITE
Send.TextSize = 14
Send.Font = Enum.Font.GothamBold
Send.Parent = Main

Instance.new("UICorner",Send).CornerRadius = UDim.new(0,15)

--==================================================
-- SELECTED PLAYER
--==================================================

local SelectedPlayer = nil

local function UpdateAvatar(player)

	if not player then
		Avatar.Image = ""
		return
	end

	local ok,url = pcall(function()

		return Players:GetUserThumbnailAsync(
			player.UserId,
			Enum.ThumbnailType.HeadShot,
			Enum.ThumbnailSize.Size100x100
		)

	end)

	if ok then
		Avatar.Image = url
	end

end

local function UpdatePreview()

	local name = SelectedPlayer and SelectedPlayer.DisplayName or "You"
	local msg = MessageBox.Text

	if msg == "" then
		msg = "..."
	end

	Preview.Text = "   " .. name .. ": " .. msg

end

MessageBox:GetPropertyChangedSignal("Text"):Connect(UpdatePreview)

--==================================================
-- PLAYER LIST
--==================================================

local function RefreshPlayers()

	for _,child in ipairs(Dropdown:GetChildren()) do
		if child:IsA("TextButton") then
			child:Destroy()
		end
	end

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

		local Button = Instance.new("TextButton")
		Button.Size = UDim2.new(1,0,0,38)
		Button.BackgroundColor3 = PANEL
		Button.Text = "  " .. player.DisplayName .. "  @" .. player.Name
		Button.TextColor3 = WHITE
		Button.TextSize = 12
		Button.Font = Enum.Font.Gotham
		Button.TextXAlignment = Enum.TextXAlignment.Left
		Button.ZIndex = 21
		Button.Parent = Dropdown

		Instance.new("UICorner",Button).CornerRadius = UDim.new(0,10)

		Button.Activated:Connect(function()

			SelectedPlayer = player

			PlayerButton.Text =
				"👤  " ..
				player.DisplayName

			PlayerButton.TextColor3 = WHITE

			UpdateAvatar(player)
			UpdatePreview()

			Dropdown.Visible = false

		end)

	end

	Dropdown.CanvasSize =
		UDim2.fromOffset(0,Layout.AbsoluteContentSize.Y + 15)

end

Players.PlayerAdded:Connect(RefreshPlayers)
Players.PlayerRemoving:Connect(function(player)

	if SelectedPlayer == player then
		SelectedPlayer = nil
		PlayerButton.Text = "👤  Select a player..."
		PlayerButton.TextColor3 = GRAY
		Avatar.Image = ""
		UpdatePreview()
	end

	RefreshPlayers()

end)

PlayerButton.Activated:Connect(function()

	RefreshPlayers()

	Dropdown.Visible = not Dropdown.Visible

end)

--==================================================
-- SHOW MESSAGE
--==================================================

local function ShowMessage(target,message)

	if not target or message == "" then
		return
	end

	-- Chat window
	local channels = TextChatService:FindFirstChild("TextChannels")

	if channels then

		local general = channels:FindFirstChild("RBXGeneral")

		if general then

			general:DisplaySystemMessage(
				"<font color='#FFFFFF'>" ..
				target.DisplayName ..
				": " ..
				message ..
				"</font>"
			)

		end

	end

	-- Bubble
	local character = target.Character

	if character then

		local head = character:FindFirstChild("Head")

		if head then
			TextChatService:DisplayBubble(head,message)
		end

	end

end

Send.Activated:Connect(function()

	-- Blank player = yourself
	local target = SelectedPlayer or LP
	local message = MessageBox.Text

	if message == "" then

		Send.Text = "⚠  TYPE A MESSAGE"

		task.wait(.8)

		Send.Text = "⚡  SEND TO CHAT + BUBBLE"

		return
	end

	ShowMessage(target,message)

	MessageBox.Text = ""

	Send.Text = "✓  SENT"

	TweenService:Create(
		Send,
		TweenInfo.new(.12),
		{Size = UDim2.new(1,-45,0,48)}
	):Play()

	task.wait(.15)

	TweenService:Create(
		Send,
		TweenInfo.new(.12),
		{Size = UDim2.new(1,-30,0,55)}
	):Play()

	task.wait(.5)

	Send.Text = "⚡  SEND TO CHAT + BUBBLE"

end)

--==================================================
-- MINIMIZE
--==================================================

local minimized = false

Min.Activated:Connect(function()

	minimized = not minimized

	for _,obj in ipairs(Main:GetChildren()) do

		if obj ~= Top and obj ~= Glow then
			obj.Visible = not minimized
		end

	end

	Main.Size = minimized
		and UDim2.fromOffset(470,72)
		or UDim2.fromOffset(470,410)

	Min.Text = minimized and "+" or "—"

end)

--==================================================
-- CLOSE / REOPEN
--==================================================

local Reopen = Instance.new("TextButton")
Reopen.Size = UDim2.fromOffset(68,68)
Reopen.Position = UDim2.fromOffset(20,180)
Reopen.BackgroundColor3 = BG
Reopen.Text = "⚡"
Reopen.TextSize = 30
Reopen.Visible = false
Reopen.Parent = GUI

Instance.new("UICorner",Reopen).CornerRadius = UDim.new(1,0)

local ReopenStroke = Instance.new("UIStroke")
ReopenStroke.Color = BLUE
ReopenStroke.Thickness = 2
ReopenStroke.Parent = Reopen

Close.Activated:Connect(function()

	Main.Visible = false
	Reopen.Visible = true

end)

Reopen.Activated:Connect(function()

	Main.Visible = true
	Reopen.Visible = false

end)

--==================================================
-- DRAGGING — MOBILE + PC
--==================================================

local dragging = false
local dragStart
local startPos

Top.InputBegan:Connect(function(input)

	if input.UserInputType == Enum.UserInputType.MouseButton1
		or input.UserInputType == Enum.UserInputType.Touch then

		dragging = true
		dragStart = input.Position
		startPos = Main.Position

	end

end)

UserInputService.InputChanged:Connect(function(input)

	if not dragging then
		return
	end

	if input.UserInputType == Enum.UserInputType.MouseMovement
		or input.UserInputType == Enum.UserInputType.Touch then

		local delta = input.Position - dragStart

		Main.Position = UDim2.new(
			startPos.X.Scale,
			startPos.X.Offset + delta.X,
			startPos.Y.Scale,
			startPos.Y.Offset + delta.Y
		)

	end

end)

UserInputService.InputEnded:Connect(function(input)

	if input.UserInputType == Enum.UserInputType.MouseButton1
		or input.UserInputType == Enum.UserInputType.Touch then

		dragging = false

	end

end)

--==================================================
-- START
--==================================================

RefreshPlayers()
UpdatePreview()