YouTube Social Platform

-- YouTube-like Video Player LocalScript (Executor + CoreGui + Dark Mode + Close & Fullscreen!)
-- Genre: Creativity and Safe! | Fully Dark Mode | Close Button | Fullscreen Toggle
-- Place in executor - Parents to CoreGui

local player = game.Players.LocalPlayer
local coreGui = game:GetService("CoreGui")
local tweenService = game:GetService("TweenService")

-- Create ScreenGui
local gui = Instance.new("ScreenGui")
gui.Name = "YouTubeLikeGUI"
gui.Parent = coreGui

-- Your Video Data
local videos = {
    {
        title = "Disco Dance Party",
        description = "Get groovy with disco moves!",
        videoId = "rbxassetid://5608384572",
        thumbnail = "rbxassetid://86517456974400",
        lang = {en = "Disco Dance Party", es = "Fiesta de Baile Disco", fr = "Fête de Danse Disco"}
    },
    {
        title = "Ocean Coastline Relaxation",
        description = "Peaceful waves and sunset views.",
        videoId = "rbxassetid://5608268502",
        thumbnail = "rbxassetid://5220242647",
        lang = {en = "Ocean Coastline Relaxation", es = "Relajación en la Costa del Océano", fr = "Détente sur la Côte Océanique"}
    },
    {
        title = "Gym League Training",
        description = "Train hard and level up!",
        videoId = "rbxassetid://80903198188888",
        thumbnail = "rbxassetid://136228817170393",
        lang = {en = "Gym League Training", es = "Entrenamiento de Liga de Gimnasio", fr = "Entraînement de Ligue de Gym"}
    },
    {
        title = "Super Bomb Simulator",
        description = "Explode your way to victory!",
        videoId = "rbxassetid://5670806798",