AshishKumar5226

import React, { useState, useEffect, useRef } from 'react';
import { 
  Book, PenTool, Layout, Download, Save, Library, 
  Settings, ChevronRight, Play, Pause, FileText, 
  RefreshCcw, Check, X, Menu, Moon, Sun, Shield, 
  Copyright as CopyrightIcon, Info, User
} from 'lucide-react';
import { initializeApp } from 'firebase/app';
import { 
  getAuth, signInAnonymously, onAuthStateChanged, signInWithCustomToken