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https://github.com/th30d4y/OpenLearnX.git
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"use client"
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import { useState, useEffect, useRef } from "react"
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import { useRouter } from "next/navigation"
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import { useAuth } from "@/context/auth-context"
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import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
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import { Button } from "@/components/ui/button"
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import { Input } from "@/components/ui/input"
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import { Label } from "@/components/ui/label"
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import { Separator } from "@/components/ui/separator"
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import { Alert, AlertDescription } from "@/components/ui/alert"
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import { Wallet, Mail, Lock, Loader2, Shield, CheckCircle2, AlertCircle } from "lucide-react"
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import { toast } from "react-hot-toast"
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export default function LoginPage() {
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const {
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connectWallet,
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loginWithEmail,
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isLoadingAuth,
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walletConnected,
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walletAddress,
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firebaseUser,
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authMethod
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} = useAuth()
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const router = useRouter()
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const [email, setEmail] = useState("")
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const [password, setPassword] = useState("")
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const [isEmailLogin, setIsEmailLogin] = useState(false)
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const [isConnectingWallet, setIsConnectingWallet] = useState(false)
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const [isSubmittingEmail, setIsSubmittingEmail] = useState(false)
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const hasRedirected = useRef(false)
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// ✅ Check for existing authentication
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useEffect(() => {
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if (hasRedirected.current || isLoadingAuth) return
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const checkAuth = setTimeout(() => {
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if (isLoadingAuth) return
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const isAuthenticated = (walletConnected && walletAddress) || firebaseUser
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if (isAuthenticated && !hasRedirected.current) {
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console.log('✅ User already authenticated, redirecting to dashboard...')
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hasRedirected.current = true
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router.replace("/dashboard")
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}
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}, 500)
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return () => clearTimeout(checkAuth)
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}, [isLoadingAuth, walletConnected, walletAddress, firebaseUser, router])
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// ✅ Handle MetaMask connection
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const handleWalletConnect = async () => {
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if (isConnectingWallet || isLoadingAuth) return
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setIsConnectingWallet(true)
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try {
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console.log('🦊 Starting MetaMask connection...')
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// Check if MetaMask is installed
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if (typeof window !== 'undefined' && !window.ethereum) {
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toast.error("MetaMask not detected. Please install MetaMask extension.")
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window.open('https://metamask.io/download/', '_blank')
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return
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}
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const success = await connectWallet()
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if (success) {
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console.log('✅ MetaMask connection successful')
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// Redirect will be handled by useEffect
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}
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} catch (error: any) {
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console.error('❌ Wallet connection error:', error)
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} finally {
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setIsConnectingWallet(false)
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}
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}
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// ✅ Handle email login
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const handleEmailLogin = async (e: React.FormEvent) => {
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e.preventDefault()
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if (isSubmittingEmail || isLoadingAuth) return
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if (!email.trim() || !password.trim()) {
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toast.error("Please enter both email and password")
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return
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}
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setIsSubmittingEmail(true)
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try {
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await loginWithEmail(email, password)
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// Redirect will be handled by useEffect
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} catch (error: any) {
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console.error('❌ Email login failed:', error)
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toast.error(error.message || "Login failed. Please check your credentials.")
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} finally {
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setIsSubmittingEmail(false)
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}
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}
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// Show connected state
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if ((walletConnected && walletAddress) || firebaseUser) {
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return (
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<div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-blue-50 via-indigo-50 to-purple-50 dark:from-gray-900 dark:via-blue-900/20 dark:to-purple-900/20 p-4">
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<Card className="w-full max-w-md shadow-2xl">
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<CardHeader className="text-center">
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<CheckCircle2 className="w-12 h-12 text-green-600 mx-auto mb-4" />
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<CardTitle className="text-xl font-bold text-green-600">
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{walletConnected ? "MetaMask Connected! 🦊" : "Email Login Successful! 📧"}
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</CardTitle>
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</CardHeader>
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<CardContent className="text-center space-y-4">
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<Alert className="border-green-200 bg-green-50">
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<AlertDescription className="text-green-700">
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{walletConnected
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? `🦊 ${walletAddress?.slice(0, 6)}...${walletAddress?.slice(-4)}`
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: `📧 ${firebaseUser?.email}`
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}
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</AlertDescription>
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</Alert>
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<Button
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onClick={() => {
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if (!hasRedirected.current) {
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hasRedirected.current = true
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router.replace("/dashboard")
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}
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}}
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className="w-full"
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>
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Go to Dashboard
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</Button>
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</CardContent>
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</Card>
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</div>
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)
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}
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// Show loading while initializing
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if (isLoadingAuth) {
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return (
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<div className="min-h-screen flex items-center justify-center">
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<div className="text-center">
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<Loader2 className="w-8 h-8 animate-spin mx-auto mb-4" />
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<p>Initializing...</p>
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</div>
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</div>
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)
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}
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return (
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<div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-blue-50 via-indigo-50 to-purple-50 dark:from-gray-900 dark:via-blue-900/20 dark:to-purple-900/20 p-4">
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<Card className="w-full max-w-md shadow-2xl">
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<CardHeader className="text-center space-y-4">
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<div className="mx-auto w-16 h-16 bg-gradient-to-br from-purple-500 to-blue-600 rounded-full flex items-center justify-center">
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<Shield className="w-8 h-8 text-white" />
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</div>
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<CardTitle className="text-2xl font-bold bg-gradient-to-r from-purple-600 to-blue-600 bg-clip-text text-transparent">
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Welcome to OpenLearnX! 🎓
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</CardTitle>
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</CardHeader>
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<CardContent className="space-y-6">
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{/* MetaMask Login */}
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<div className="space-y-4">
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<Button
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onClick={handleWalletConnect}
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disabled={isConnectingWallet || isLoadingAuth || isSubmittingEmail}
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className="w-full bg-gradient-to-r from-purple-600 to-blue-600 hover:from-purple-700 hover:to-blue-700 text-white py-3"
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>
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{isConnectingWallet ? (
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<>
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<Loader2 className="w-5 h-5 mr-2 animate-spin" />
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Connecting MetaMask...
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</>
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) : (
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<>
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<Wallet className="w-5 h-5 mr-2" />
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Connect MetaMask Wallet 🦊
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</>
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)}
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</Button>
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<div className="bg-purple-50 dark:bg-purple-900/20 p-3 rounded-lg">
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<p className="text-xs text-purple-700 dark:text-purple-300 text-center">
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✨ Recommended: Get Web3 features and blockchain verification!
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</p>
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</div>
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</div>
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<Separator />
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{/* Email Login */}
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<div className="space-y-4">
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<Button
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variant="outline"
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onClick={() => setIsEmailLogin(!isEmailLogin)}
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disabled={isConnectingWallet || isSubmittingEmail}
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className="w-full"
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>
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<Mail className="w-4 h-4 mr-2" />
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{isEmailLogin ? 'Hide Email Login' : 'Login with Email'}
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</Button>
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{isEmailLogin && (
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<form onSubmit={handleEmailLogin} className="space-y-4">
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<div>
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<Label htmlFor="email">Email Address</Label>
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<Input
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id="email"
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type="email"
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value={email}
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onChange={(e) => setEmail(e.target.value)}
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placeholder="Enter your email"
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disabled={isSubmittingEmail || isConnectingWallet}
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required
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/>
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</div>
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<div>
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<Label htmlFor="password">Password</Label>
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<Input
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id="password"
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type="password"
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value={password}
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onChange={(e) => setPassword(e.target.value)}
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placeholder="Enter your password"
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disabled={isSubmittingEmail || isConnectingWallet}
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required
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/>
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</div>
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<Button
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type="submit"
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disabled={isSubmittingEmail || isConnectingWallet || !email.trim() || !password.trim()}
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className="w-full"
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>
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{isSubmittingEmail ? (
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<>
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<Loader2 className="w-4 h-4 mr-2 animate-spin" />
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Logging in...
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</>
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) : (
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<>
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<Lock className="w-4 h-4 mr-2" />
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Login with Email
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</>
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)}
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</Button>
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</form>
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)}
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</div>
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{/* MetaMask Installation Help */}
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{typeof window !== 'undefined' && !window.ethereum && (
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<Alert className="border-orange-200 bg-orange-50">
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<AlertCircle className="w-4 h-4 text-orange-600" />
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<AlertDescription className="text-orange-700">
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MetaMask not detected.
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<Button
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variant="link"
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className="p-0 h-auto font-semibold text-orange-600 ml-1"
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onClick={() => window.open('https://metamask.io/download/', '_blank')}
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>
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Install MetaMask →
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</Button>
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</AlertDescription>
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</Alert>
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)}
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</CardContent>
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</Card>
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</div>
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)
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}
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