feat: add duplicate email detection via auth hook with fallback
- Add before-user-created hook function for server-side duplicate email detection - Implement fallback detection using identities array check (Supabase limitation) - Update signUpWithPassword to detect duplicate emails via hook errors or empty identities - Add error handling in login page to show duplicate email errors and auto-switch to login mode - Add auth hook setup documentation and test scripts - Add password reset and update password flows - Add email templates for signup confirmation and password reset
This commit is contained in:
colinislit
@@ -2,9 +2,10 @@
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import { useState } from 'react'
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import { useRouter } from 'next/navigation'
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import { loginWithMagicLink, loginWithPassword } from '@/lib/auth/client'
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import { Brain, Zap, Target, FileText, Clock, TrendingDown } from 'lucide-react'
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import { loginWithPassword, signUpWithPassword } from '@/lib/auth/client'
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import { Brain, Zap, Target, Clock } from 'lucide-react'
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import { BentoGrid, BentoCard } from '@/components/ui/bento-grid'
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import Link from 'next/link'
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// Bento grid features with different sizes for visual interest
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const bentoFeatures = [
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@@ -56,70 +57,106 @@ const bentoFeatures = [
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export default function LoginPage() {
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const router = useRouter()
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const [mode, setMode] = useState<'login' | 'signup'>('login')
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const [email, setEmail] = useState('')
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const [password, setPassword] = useState('')
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const [confirmPassword, setConfirmPassword] = useState('') // Only for signup
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const [loading, setLoading] = useState(false)
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const [message, setMessage] = useState<{
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type: 'success' | 'error'
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text: string
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} | null>(null)
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const [showDemoLogin, setShowDemoLogin] = useState(false)
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// Magic link login
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const handleMagicLinkLogin = async (e: React.FormEvent) => {
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// Handle form submission
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const handleSubmit = async (e: React.FormEvent) => {
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e.preventDefault()
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setLoading(true)
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setMessage(null)
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try {
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const result = await loginWithMagicLink(email)
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setMessage({
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type: 'success',
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text: result.message
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})
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setEmail('')
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} catch (error: any) {
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setMessage({
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type: 'error',
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text: error.message || 'Er ging iets mis. Probeer opnieuw.'
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})
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} finally {
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setLoading(false)
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}
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}
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if (mode === 'signup') {
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// Signup Flow
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if (password !== confirmPassword) {
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throw new Error('Wachtwoorden komen niet overeen')
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}
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// Sign up
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const result = await signUpWithPassword(email, password)
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// Check if user got a session immediately (email confirmation disabled)
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if (result.session) {
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// User is logged in immediately
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setMessage({
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type: 'success',
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text: 'Account aangemaakt! Je wordt doorgestuurd...'
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})
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setTimeout(() => {
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router.push('/epd/clients')
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}, 1000)
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} else {
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// Email confirmation required - user needs to check inbox
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setMessage({
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type: 'success',
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text: 'Check je inbox voor een verificatie link om je account te activeren.'
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})
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}
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} else {
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// Login Flow
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await loginWithPassword(email, password)
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setMessage({
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type: 'success',
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text: 'Ingelogd! Redirect naar EPD...'
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})
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// Password login (demo accounts)
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const handlePasswordLogin = async (e: React.FormEvent) => {
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e.preventDefault()
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setLoading(true)
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setMessage(null)
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try {
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await loginWithPassword(email, password)
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setMessage({
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type: 'success',
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text: 'Ingelogd! Redirect naar EPD...'
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})
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// Redirect to EPD
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setTimeout(() => {
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router.push('/epd/clients')
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}, 1000)
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} catch (error: any) {
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setMessage({
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type: 'error',
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text: error.message || 'Ongeldige credentials.'
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})
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} finally {
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// Redirect to EPD
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setTimeout(() => {
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router.push('/epd/clients')
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}, 1000)
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}
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} catch (error: any) {
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// Check for duplicate email error with auto-login
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if (error.code === 'user_already_registered' && error.data?.session) {
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// User was auto-logged in (client-side detection succeeded)
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setMessage({
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type: 'success',
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text: 'Dit emailadres bestaat al. Je bent nu ingelogd!'
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})
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setTimeout(() => {
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router.push('/epd/clients')
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}, 1000)
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}
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// Check for duplicate email error (from Auth Hook or client-side)
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else if (error.code === 'user_already_registered') {
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setMessage({
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type: 'error',
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text: error.message || 'Dit emailadres is al geregistreerd. Probeer in te loggen.'
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})
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// Switch to login mode after 2 seconds
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setTimeout(() => {
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setMode('login')
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setPassword('')
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setConfirmPassword('')
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}, 2000)
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}
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// Generic error handling
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else {
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setMessage({
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type: 'error',
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text: error.message || 'Er ging iets mis. Probeer opnieuw.'
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})
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}
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} finally {
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setLoading(false)
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}
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}
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// Quick demo login
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const handleQuickDemoLogin = async () => {
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setMode('login')
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setEmail('demo@mini-ecd.demo')
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setPassword('Demo2024!')
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setShowDemoLogin(true)
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// Auto-submit
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setLoading(true)
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@@ -187,19 +224,46 @@ export default function LoginPage() {
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</div>
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</div>
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{/* Right Side - Login Form (40%) */}
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{/* Right Side - Login/Signup Form (40%) */}
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<div className="md:w-2/5 bg-white p-8 md:p-12 flex flex-col justify-center">
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<div className="w-full max-w-md mx-auto">
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{/* Header */}
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<div className="text-center mb-8">
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<h2 className="text-2xl md:text-3xl font-bold text-slate-900 mb-2">
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Login
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{mode === 'login' ? 'Welkom terug' : 'Maak een account'}
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</h2>
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<p className="text-slate-600">
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Toegang tot EPD prototype
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{mode === 'login'
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? 'Log in om toegang te krijgen tot het EPD'
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: 'Start vandaag nog met snellere rapportages'
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}
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</p>
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</div>
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{/* Mode Toggle */}
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<div className="flex bg-slate-100 p-1 rounded-lg mb-6">
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<button
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className={`flex-1 py-2 text-sm font-medium rounded-md transition-all ${
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mode === 'login'
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? 'bg-white text-slate-900 shadow-sm'
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: 'text-slate-500 hover:text-slate-900'
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}`}
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onClick={() => setMode('login')}
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>
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Inloggen
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</button>
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<button
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className={`flex-1 py-2 text-sm font-medium rounded-md transition-all ${
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mode === 'signup'
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? 'bg-white text-slate-900 shadow-sm'
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: 'text-slate-500 hover:text-slate-900'
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}`}
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onClick={() => setMode('signup')}
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>
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Registreren
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</button>
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</div>
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{/* Message Display */}
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{message && (
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<div
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@@ -213,149 +277,106 @@ export default function LoginPage() {
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</div>
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)}
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{/* Magic Link Login */}
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{!showDemoLogin && (
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<form onSubmit={handleSubmit} className="space-y-4">
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<div>
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<h3 className="text-lg font-semibold text-slate-900 mb-4">
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📧 Login met Magic Link
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</h3>
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<form onSubmit={handleMagicLinkLogin} className="space-y-4">
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<div>
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<label
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htmlFor="email"
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className="block text-sm font-medium text-slate-700 mb-1"
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>
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Email
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</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="jouw@email.nl"
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required
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className="w-full px-4 py-2.5 border border-slate-300 rounded-lg focus:ring-2 focus:ring-slate-400 focus:border-slate-400"
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/>
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<p className="mt-1 text-xs text-slate-500">
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Nieuw? Account wordt automatisch aangemaakt!
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</p>
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</div>
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<button
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type="submit"
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disabled={loading}
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className="w-full bg-teal-600 hover:bg-teal-700 text-white font-medium py-2.5 px-4 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
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>
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{loading ? 'Verzenden...' : 'Stuur Magic Link'}
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</button>
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</form>
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{/* Divider */}
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<div className="relative my-6">
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<div className="absolute inset-0 flex items-center">
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<div className="w-full border-t border-slate-300" />
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</div>
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<div className="relative flex justify-center text-sm">
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<span className="px-2 bg-white text-slate-500">of</span>
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</div>
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</div>
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{/* Demo Account Toggle */}
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<button
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onClick={() => setShowDemoLogin(true)}
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className="w-full bg-slate-100 hover:bg-slate-200 text-slate-700 font-medium py-2.5 px-4 rounded-lg transition-colors"
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<label
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htmlFor="email"
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className="block text-sm font-medium text-slate-700 mb-1"
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>
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🎯 Login met Demo Account
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</button>
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{/* Quick Demo Button */}
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<button
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onClick={handleQuickDemoLogin}
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disabled={loading}
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className="mt-3 w-full bg-amber-50 hover:bg-amber-100 text-amber-800 text-sm font-medium py-2 px-4 rounded-lg border border-amber-200 transition-colors disabled:opacity-50"
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>
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⚡ Snelle Demo Login
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</button>
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Email
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</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="jouw@email.nl"
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required
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className="w-full px-4 py-2.5 border border-slate-300 rounded-lg focus:ring-2 focus:ring-slate-400 focus:border-slate-400"
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/>
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</div>
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)}
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{/* Demo Password Login */}
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{showDemoLogin && (
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<div>
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<div className="flex items-center justify-between mb-4">
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<h3 className="text-lg font-semibold text-slate-900">
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🎯 Demo Account Login
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</h3>
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<button
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onClick={() => {
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setShowDemoLogin(false)
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setPassword('')
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}}
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className="text-sm text-slate-600 hover:text-slate-900"
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>
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← Terug
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</button>
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</div>
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{/* Demo Credentials Info */}
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<div className="bg-amber-50 border border-amber-200 rounded-lg p-4 mb-4">
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<p className="text-sm font-medium text-amber-800 mb-2">
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📋 Demo Credentials:
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</p>
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<div className="text-xs text-amber-700 font-mono space-y-1">
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<p>Email: demo@mini-ecd.demo</p>
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<p>Password: Demo2024!</p>
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</div>
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</div>
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<form onSubmit={handlePasswordLogin} className="space-y-4">
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<div>
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<label
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htmlFor="demo-email"
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className="block text-sm font-medium text-slate-700 mb-1"
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<label
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htmlFor="password"
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className="block text-sm font-medium text-slate-700 mb-1"
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>
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Wachtwoord
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</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="••••••••"
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required
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minLength={8}
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className="w-full px-4 py-2.5 border border-slate-300 rounded-lg focus:ring-2 focus:ring-slate-400 focus:border-slate-400"
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/>
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{mode === 'login' && (
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<div className="mt-1 text-right">
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<Link
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href="/reset-password"
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className="text-xs text-slate-500 hover:text-teal-600"
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>
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Email
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</label>
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<input
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id="demo-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="demo@mini-ecd.demo"
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required
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className="w-full px-4 py-2.5 border border-slate-300 rounded-lg focus:ring-2 focus:ring-slate-400 focus:border-slate-400"
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/>
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Wachtwoord vergeten?
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</Link>
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</div>
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<div>
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<label
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htmlFor="password"
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className="block text-sm font-medium text-slate-700 mb-1"
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>
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Password
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</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="••••••••"
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required
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className="w-full px-4 py-2.5 border border-slate-300 rounded-lg focus:ring-2 focus:ring-slate-400 focus:border-slate-400"
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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={loading}
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className="w-full bg-teal-600 hover:bg-teal-700 text-white font-medium py-2.5 px-4 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
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>
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{loading ? 'Inloggen...' : 'Login'}
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</button>
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</form>
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)}
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</div>
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)}
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{mode === 'signup' && (
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<div>
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<label
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htmlFor="confirmPassword"
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className="block text-sm font-medium text-slate-700 mb-1"
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>
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Bevestig Wachtwoord
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</label>
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<input
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id="confirmPassword"
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type="password"
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value={confirmPassword}
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onChange={(e) => setConfirmPassword(e.target.value)}
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placeholder="••••••••"
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required
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minLength={8}
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className="w-full px-4 py-2.5 border border-slate-300 rounded-lg focus:ring-2 focus:ring-slate-400 focus:border-slate-400"
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/>
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</div>
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)}
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<button
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type="submit"
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disabled={loading}
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className="w-full bg-teal-600 hover:bg-teal-700 text-white font-medium py-2.5 px-4 rounded-lg transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
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>
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{loading
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? 'Laden...'
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: mode === 'login' ? 'Inloggen' : 'Registreren'
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}
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</button>
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</form>
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{/* Divider */}
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<div className="relative my-6">
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<div className="absolute inset-0 flex items-center">
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<div className="w-full border-t border-slate-300" />
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</div>
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<div className="relative flex justify-center text-sm">
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<span className="px-2 bg-white text-slate-500">of</span>
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</div>
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</div>
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{/* Quick Demo Button */}
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<button
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onClick={handleQuickDemoLogin}
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disabled={loading}
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className="w-full bg-amber-50 hover:bg-amber-100 text-amber-800 text-sm font-medium py-2 px-4 rounded-lg border border-amber-200 transition-colors disabled:opacity-50 flex items-center justify-center gap-2"
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>
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<span>⚡</span>
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Demo Account Proberen
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</button>
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{/* Footer */}
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<p className="text-center text-xs text-slate-500 mt-8">
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