feat(branding): add global dynamic theme system and fix 2fa mail

shop/components/SetupWizard.tsx

@@ -3,30 +3,47 @@
 import { useState } from 'react'
 import { useRouter } from 'next/navigation'
 import { motion, AnimatePresence } from 'framer-motion'
-import { Sparkles, ShieldCheck, Mail, ArrowRight, Loader2, Check, Lock, Building, User } from 'lucide-react'
+import { Sparkles, ShieldCheck, Mail, ArrowRight, Loader2, Check, Lock, Building, User, MapPin, Receipt, Palette, Send } from 'lucide-react'
 import { Button } from '@/components/ui/button'
 import { Input } from '@/components/ui/input'
 import { Label } from '@/components/ui/label'
 import { createClient } from '@/lib/supabase/client'
-import { completeSetup } from '@/lib/actions/setup'
+import { completeSetup, testSmtpConfig } from '@/lib/actions/setup'
+import { ColorThemePicker } from '@/components/admin/ColorThemePicker'
 
 export function SetupWizard() {
   const router = useRouter()
   const [step, setStep] = useState(1)
   const [loading, setLoading] = useState(false)
   const [errorMsg, setErrorMsg] = useState('')
+  const [testSmtpLoading, setTestSmtpLoading] = useState(false)
+  const [testSmtpResult, setTestSmtpResult] = useState<{ success: boolean; message: string } | null>(null)
 
-  // Step 2 Form: Admin account
+  // Step 2: Admin Account
   const [adminForm, setAdminForm] = useState({
     email: '',
     password: '',
     confirmPassword: '',
-    companyName: '',
     firstName: '',
     lastName: '',
   })
 
-  // Step 3 Form: SMTP Config
+  // Step 3: Firmendaten & Rechnungsadresse
+  const [brandingForm, setBrandingForm] = useState({
+    companyName: '',
+    street: '',
+    zip: '',
+    city: '',
+    billingStreet: '',
+    billingZip: '',
+    billingCity: '',
+    sameBillingAddress: true,
+    colorScheme: 'modern_blue',
+    primaryColor: '#2563eb',
+    accentColor: '#38bdf8',
+  })
+
+  // Step 5: SMTP Config
   const [smtpForm, setSmtpForm] = useState({
     host: '',
     port: '587',
@@ -35,36 +52,67 @@ export function SetupWizard() {
     pass: '',
   })
 
-  // Validation checks for Admin form
+  // Validations
   const isAdminFormValid =
     adminForm.email.includes('@') &&
     adminForm.password.length >= 6 &&
     adminForm.password === adminForm.confirmPassword &&
-    adminForm.companyName.trim().length > 0 &&
     adminForm.firstName.trim().length > 0 &&
     adminForm.lastName.trim().length > 0
 
-  // Validation checks for SMTP form
-  const isSmtpFormValid =
-    smtpForm.host.trim().length > 0 &&
-    !isNaN(Number(smtpForm.port)) &&
-    smtpForm.user.trim().length > 0
+  const isCompanyFormValid =
+    brandingForm.companyName.trim().length > 0 &&
+    brandingForm.street.trim().length > 0 &&
+    brandingForm.zip.trim().length > 0 &&
+    brandingForm.city.trim().length > 0 &&
+    (brandingForm.sameBillingAddress ||
+      (brandingForm.billingStreet.trim().length > 0 &&
+        brandingForm.billingZip.trim().length > 0 &&
+        brandingForm.billingCity.trim().length > 0))
+
+  const handleTestSmtp = async () => {
+    setTestSmtpLoading(true)
+    setTestSmtpResult(null)
+    const res = await testSmtpConfig(
+      {
+        host: smtpForm.host,
+        port: Number(smtpForm.port),
+        secure: smtpForm.secure,
+        user: smtpForm.user,
+        pass: smtpForm.pass,
+      },
+      adminForm.email
+    )
+    setTestSmtpResult(res)
+    setTestSmtpLoading(false)
+  }
 
   const handleFinishSetup = async () => {
-    if (!isAdminFormValid || !isSmtpFormValid) return
+    if (!isAdminFormValid || !isCompanyFormValid) return
     setLoading(true)
     setErrorMsg('')
 
     try {
-      // 1. Submit details via server action
       const res = await completeSetup(
         {
           email: adminForm.email,
           password: adminForm.password,
-          companyName: adminForm.companyName,
+          companyName: brandingForm.companyName,
           firstName: adminForm.firstName,
           lastName: adminForm.lastName,
         },
+        {
+          street: brandingForm.street,
+          zip: brandingForm.zip,
+          city: brandingForm.city,
+          billingStreet: brandingForm.billingStreet,
+          billingZip: brandingForm.billingZip,
+          billingCity: brandingForm.billingCity,
+          sameBillingAddress: brandingForm.sameBillingAddress,
+          colorScheme: brandingForm.colorScheme,
+          primaryColor: brandingForm.primaryColor,
+          accentColor: brandingForm.accentColor,
+        },
         {
           host: smtpForm.host,
           port: Number(smtpForm.port),
@@ -80,20 +128,8 @@ export function SetupWizard() {
         return
       }
 
-      // 2. Automatischer Login für flüssiges Erlebnis
-      const supabase = createClient()
-      const { error: loginError } = await supabase.auth.signInWithPassword({
-        email: adminForm.email,
-        password: adminForm.password,
-      })
-
-      if (loginError) {
-        console.error('Auto login failed:', loginError)
-        // Redirect anyway since setup is done
-      }
-
-      // 3. Weiterleitung
-      router.push('/')
+      // Setup erfolgreich – Weiterleitung zur Login-Seite
+      router.push('/auth/login?setup=success')
       router.refresh()
     } catch (e: any) {
       setErrorMsg(e.message || 'Ein unerwarteter Fehler ist aufgetreten.')
@@ -103,19 +139,19 @@ export function SetupWizard() {
 
   return (
     <div className="min-h-screen bg-[#020617] text-white flex flex-col items-center justify-center p-4 relative overflow-hidden">
-      {/* Dynamic Background Glow */}
+      {/* Background Glow */}
       <div className="absolute top-[-10%] left-[-10%] w-[50%] h-[50%] rounded-full bg-blue-500/10 blur-[120px]" />
       <div className="absolute bottom-[-10%] right-[-10%] w-[50%] h-[50%] rounded-full bg-purple-500/10 blur-[120px]" />
 
-      <div className="w-full max-w-xl relative z-10">
+      <div className="w-full max-w-2xl relative z-10 my-8">
         {/* Step Indicator Header */}
-        <div className="flex items-center justify-between mb-8 px-2">
+        <div className="flex items-center justify-between mb-6 px-2">
           <div className="flex items-center gap-2">
-            <span className="text-xl font-bold tracking-tight text-blue-400">CASPOS</span>
-            <span className="text-xs px-2.5 py-0.5 rounded-full bg-slate-900 text-slate-400 border border-slate-800 font-medium">Initialisierung</span>
+            <span className="text-xl font-bold tracking-tight text-blue-400">B2B Shop</span>
+            <span className="text-xs px-2.5 py-0.5 rounded-full bg-slate-900 text-slate-400 border border-slate-800 font-medium">made by hephex</span>
           </div>
           <div className="flex gap-1.5">
-            {[1, 2, 3].map((s) => (
+            {[1, 2, 3, 4, 5].map((s) => (
               <div
                 key={s}
                 className={`h-1.5 rounded-full transition-all duration-300 ${s === step ? 'w-8 bg-blue-500' : 'w-2 bg-slate-800'
@@ -126,13 +162,13 @@ export function SetupWizard() {
         </div>
 
         <AnimatePresence mode="wait">
+          {/* STEP 1: Willkommen */}
           {step === 1 && (
             <motion.div
               key="step1"
               initial={{ opacity: 0, y: 15 }}
               animate={{ opacity: 1, y: 0 }}
               exit={{ opacity: 0, y: -15 }}
-              transition={{ duration: 0.3 }}
               className="glass-dark border border-white/10 rounded-3xl p-8 space-y-6 shadow-2xl"
             >
               <div className="w-16 h-16 rounded-2xl bg-blue-500/10 border border-blue-500/20 flex items-center justify-center text-blue-400 mx-auto shadow-inner">
@@ -140,9 +176,9 @@ export function SetupWizard() {
               </div>
 
               <div className="text-center space-y-2">
-                <h1 className="text-3xl font-extrabold tracking-tight">Willkommen bei CASPOS!</h1>
-                <p className="text-slate-400 leading-relaxed">
-                  Richten Sie Ihren persönlichen Lizenz- und Anfrage-Shop in wenigen Schritten ein. Wir konfigurieren Ihr Administrator-Konto und die Mailverbindung.
+                <h1 className="text-3xl font-extrabold tracking-tight">B2B Shop made by hephex</h1>
+                <p className="text-slate-400 leading-relaxed text-sm">
+                  Richten Sie Ihren persönlichen Lizenz- und Anfrage-Shop ein. Wir konfigurieren Administrator-Zugang, Firmendaten, Rechnungsadresse und Ihr persönliches Farbschema.
                 </p>
               </div>
 
@@ -153,11 +189,19 @@ export function SetupWizard() {
                 </div>
                 <div className="flex items-center gap-2">
                   <Check className="w-4 h-4 text-green-400 shrink-0" />
-                  <span>Automatische Schema-Updates auf dem neuesten Stand</span>
+                  <span>9 vordefinierte Farbpaletten + Custom Farbwähler</span>
                 </div>
                 <div className="flex items-center gap-2">
                   <Check className="w-4 h-4 text-green-400 shrink-0" />
-                  <span>SMTP Mailversand für direkte Anfragebestätigungen</span>
+                  <span>Lizenzserver-Anbindung</span>
+                </div>
+                <div className="flex items-center gap-2">
+                  <Check className="w-4 h-4 text-green-400 shrink-0" />
+                  <span>Stammdatenverwaltung</span>
+                </div>
+                <div className="flex items-center gap-2">
+                  <Check className="w-4 h-4 text-green-400 shrink-0" />
+                  <span>Automatische Adress- & Rechnungsverwaltung</span>
                 </div>
               </div>
 
@@ -171,13 +215,13 @@ export function SetupWizard() {
             </motion.div>
           )}
 
+          {/* STEP 2: Admin-Konto */}
           {step === 2 && (
             <motion.div
               key="step2"
               initial={{ opacity: 0, y: 15 }}
               animate={{ opacity: 1, y: 0 }}
               exit={{ opacity: 0, y: -15 }}
-              transition={{ duration: 0.3 }}
               className="glass-dark border border-white/10 rounded-3xl p-8 space-y-6 shadow-2xl"
             >
               <div className="space-y-1">
@@ -186,7 +230,7 @@ export function SetupWizard() {
                   Admin-Konto anlegen
                 </h2>
                 <p className="text-slate-400 text-sm">
-                  Erstellen Sie den ersten Administrator-Benutzer. Dieser erhält vollen Zugriff auf das System.
+                  Erstellen Sie das erste Administrator-Konto für vollen Systemzugriff.
                 </p>
               </div>
 
@@ -218,19 +262,6 @@ export function SetupWizard() {
                   </div>
                 </div>
 
-                <div className="space-y-1.5">
-                  <Label className="text-slate-300 text-xs">Unternehmen / Partnername *</Label>
-                  <div className="relative">
-                    <Building className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-500" />
-                    <Input
-                      value={adminForm.companyName}
-                      onChange={(e) => setAdminForm({ ...adminForm, companyName: e.target.value })}
-                      placeholder="Name Ihrer Firma"
-                      className="pl-9 bg-white/5 border-white/10 text-white placeholder:text-slate-600"
-                    />
-                  </div>
-                </div>
-
                 <div className="space-y-1.5">
                   <Label className="text-slate-300 text-xs">E-Mail-Adresse *</Label>
                   <div className="relative">
@@ -275,7 +306,7 @@ export function SetupWizard() {
                 </div>
               </div>
 
-              <div className="flex gap-3">
+              <div className="flex gap-3 pt-2">
                 <Button variant="ghost" onClick={() => setStep(1)} className="text-white hover:bg-white/5">
                   Zurück
                 </Button>
@@ -283,6 +314,203 @@ export function SetupWizard() {
                   onClick={() => setStep(3)}
                   disabled={!isAdminFormValid}
                   className="flex-1 bg-blue-600 hover:bg-blue-500 text-white font-bold"
+                >
+                  Weiter zu Firmendaten
+                  <ArrowRight className="w-4 h-4 ml-2" />
+                </Button>
+              </div>
+            </motion.div>
+          )}
+
+          {/* STEP 3: Firmendaten & Rechnungsadresse */}
+          {step === 3 && (
+            <motion.div
+              key="step3"
+              initial={{ opacity: 0, y: 15 }}
+              animate={{ opacity: 1, y: 0 }}
+              exit={{ opacity: 0, y: -15 }}
+              className="glass-dark border border-white/10 rounded-3xl p-8 space-y-6 shadow-2xl"
+            >
+              <div className="space-y-1">
+                <h2 className="text-2xl font-bold flex items-center gap-2">
+                  <Building className="w-6 h-6 text-blue-400" />
+                  Firmendaten & Adressen
+                </h2>
+                <p className="text-slate-400 text-sm">
+                  Tragen Sie Ihren Firmennamen, die Anschrift und die Rechnungsadresse ein.
+                </p>
+              </div>
+
+              <div className="space-y-4">
+                <div className="space-y-1.5">
+                  <Label className="text-slate-300 text-xs">Firmenname *</Label>
+                  <div className="relative">
+                    <Building className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-500" />
+                    <Input
+                      value={brandingForm.companyName}
+                      onChange={(e) => setBrandingForm({ ...brandingForm, companyName: e.target.value })}
+                      placeholder="z. B. CASPOS Software GmbH"
+                      className="pl-9 bg-white/5 border-white/10 text-white placeholder:text-slate-600"
+                    />
+                  </div>
+                </div>
+
+                {/* Anschrift */}
+                <div className="space-y-3 pt-1 border-t border-slate-800">
+                  <span className="text-xs font-bold text-slate-300 flex items-center gap-1.5">
+                    <MapPin className="w-3.5 h-3.5 text-blue-400" /> Firmenanschrift
+                  </span>
+
+                  <div className="space-y-1.5">
+                    <Label className="text-slate-300 text-xs">Straße & Hausnummer *</Label>
+                    <Input
+                      value={brandingForm.street}
+                      onChange={(e) => setBrandingForm({ ...brandingForm, street: e.target.value })}
+                      placeholder="Musterstraße 12"
+                      className="bg-white/5 border-white/10 text-white placeholder:text-slate-600 text-xs"
+                    />
+                  </div>
+
+                  <div className="grid grid-cols-3 gap-3">
+                    <div className="space-y-1.5">
+                      <Label className="text-slate-300 text-xs">PLZ *</Label>
+                      <Input
+                        value={brandingForm.zip}
+                        onChange={(e) => setBrandingForm({ ...brandingForm, zip: e.target.value })}
+                        placeholder="12345"
+                        className="bg-white/5 border-white/10 text-white text-xs"
+                      />
+                    </div>
+                    <div className="col-span-2 space-y-1.5">
+                      <Label className="text-slate-300 text-xs">Ort *</Label>
+                      <Input
+                        value={brandingForm.city}
+                        onChange={(e) => setBrandingForm({ ...brandingForm, city: e.target.value })}
+                        placeholder="Musterstadt"
+                        className="bg-white/5 border-white/10 text-white text-xs"
+                      />
+                    </div>
+                  </div>
+                </div>
+
+                {/* Rechnungsadresse */}
+                <div className="space-y-3 pt-2 border-t border-slate-800">
+                  <div className="flex items-center justify-between">
+                    <span className="text-xs font-bold text-slate-300 flex items-center gap-1.5">
+                      <Receipt className="w-3.5 h-3.5 text-blue-400" /> Rechnungsadresse
+                    </span>
+                    <label className="flex items-center gap-2 text-xs text-slate-400 cursor-pointer">
+                      <input
+                        type="checkbox"
+                        checked={brandingForm.sameBillingAddress}
+                        onChange={(e) =>
+                          setBrandingForm({ ...brandingForm, sameBillingAddress: e.target.checked })
+                        }
+                        className="w-4 h-4 rounded border-slate-700 bg-white/5 text-blue-500"
+                      />
+                      Gleiche wie Anschrift
+                    </label>
+                  </div>
+
+                  {!brandingForm.sameBillingAddress && (
+                    <div className="space-y-3 p-3 rounded-xl bg-white/5 border border-white/10">
+                      <div className="space-y-1.5">
+                        <Label className="text-slate-300 text-xs">Rechnungsstraße & Nr. *</Label>
+                        <Input
+                          value={brandingForm.billingStreet}
+                          onChange={(e) =>
+                            setBrandingForm({ ...brandingForm, billingStreet: e.target.value })
+                          }
+                          placeholder="Rechnungsstraße 45"
+                          className="bg-white/5 border-white/10 text-white text-xs"
+                        />
+                      </div>
+                      <div className="grid grid-cols-3 gap-3">
+                        <div className="space-y-1.5">
+                          <Label className="text-slate-300 text-xs">PLZ *</Label>
+                          <Input
+                            value={brandingForm.billingZip}
+                            onChange={(e) =>
+                              setBrandingForm({ ...brandingForm, billingZip: e.target.value })
+                            }
+                            placeholder="54321"
+                            className="bg-white/5 border-white/10 text-white text-xs"
+                          />
+                        </div>
+                        <div className="col-span-2 space-y-1.5">
+                          <Label className="text-slate-300 text-xs">Ort *</Label>
+                          <Input
+                            value={brandingForm.billingCity}
+                            onChange={(e) =>
+                              setBrandingForm({ ...brandingForm, billingCity: e.target.value })
+                            }
+                            placeholder="Rechnungsstadt"
+                            className="bg-white/5 border-white/10 text-white text-xs"
+                          />
+                        </div>
+                      </div>
+                    </div>
+                  )}
+                </div>
+              </div>
+
+              <div className="flex gap-3 pt-2">
+                <Button variant="ghost" onClick={() => setStep(2)} className="text-white hover:bg-white/5">
+                  Zurück
+                </Button>
+                <Button
+                  onClick={() => setStep(4)}
+                  disabled={!isCompanyFormValid}
+                  className="flex-1 bg-blue-600 hover:bg-blue-500 text-white font-bold"
+                >
+                  Weiter zum Farbschema
+                  <ArrowRight className="w-4 h-4 ml-2" />
+                </Button>
+              </div>
+            </motion.div>
+          )}
+
+          {/* STEP 4: Farbschema & Live-Vorschau */}
+          {step === 4 && (
+            <motion.div
+              key="step4"
+              initial={{ opacity: 0, y: 15 }}
+              animate={{ opacity: 1, y: 0 }}
+              exit={{ opacity: 0, y: -15 }}
+              className="glass-dark border border-white/10 rounded-3xl p-8 space-y-6 shadow-2xl"
+            >
+              <div className="space-y-1">
+                <h2 className="text-2xl font-bold flex items-center gap-2">
+                  <Palette className="w-6 h-6 text-blue-400" />
+                  Farbschema & Webshop Styling
+                </h2>
+                <p className="text-slate-400 text-sm">
+                  Wählen Sie aus 9 vorgegebenen Farbpaletten oder erstellen Sie eine eigene Farbkombination mit Live-Vorschau.
+                </p>
+              </div>
+
+              <ColorThemePicker
+                colorScheme={brandingForm.colorScheme}
+                primaryColor={brandingForm.primaryColor}
+                accentColor={brandingForm.accentColor}
+                companyName={brandingForm.companyName}
+                onChange={(scheme, primary, accent) =>
+                  setBrandingForm({
+                    ...brandingForm,
+                    colorScheme: scheme,
+                    primaryColor: primary,
+                    accentColor: accent,
+                  })
+                }
+              />
+
+              <div className="flex gap-3 pt-2">
+                <Button variant="ghost" onClick={() => setStep(3)} className="text-white hover:bg-white/5">
+                  Zurück
+                </Button>
+                <Button
+                  onClick={() => setStep(5)}
+                  className="flex-1 bg-blue-600 hover:bg-blue-500 text-white font-bold"
                 >
                   Weiter zu SMTP
                   <ArrowRight className="w-4 h-4 ml-2" />
@@ -291,22 +519,27 @@ export function SetupWizard() {
             </motion.div>
           )}
 
-          {step === 3 && (
+          {/* STEP 5: SMTP Mailserver */}
+          {step === 5 && (
             <motion.div
-              key="step3"
+              key="step5"
               initial={{ opacity: 0, y: 15 }}
               animate={{ opacity: 1, y: 0 }}
               exit={{ opacity: 0, y: -15 }}
-              transition={{ duration: 0.3 }}
               className="glass-dark border border-white/10 rounded-3xl p-8 space-y-6 shadow-2xl"
             >
               <div className="space-y-1">
-                <h2 className="text-2xl font-bold flex items-center gap-2">
-                  <Mail className="w-6 h-6 text-blue-400" />
-                  SMTP-Mailserver konfigurieren
-                </h2>
+                <div className="flex items-center justify-between">
+                  <h2 className="text-2xl font-bold flex items-center gap-2">
+                    <Mail className="w-6 h-6 text-blue-400" />
+                    SMTP-Mailserver
+                  </h2>
+                  <span className="text-[10px] uppercase font-bold tracking-wider px-2.5 py-1 rounded-full bg-slate-800 text-amber-400 border border-amber-500/20">
+                    Optional
+                  </span>
+                </div>
                 <p className="text-slate-400 text-sm">
-                  Tragen Sie Ihre Mailserver-Daten ein, um automatisierte E-Mails an Partner und Kunden senden zu können.
+                  Tragen Sie Ihre Mailserver-Daten ein oder überspringen Sie diesen Schritt. Sie können die Einstellungen jederzeit im Admin-Bereich anpassen.
                 </p>
               </div>
 
@@ -319,7 +552,7 @@ export function SetupWizard() {
               <div className="space-y-4">
                 <div className="grid grid-cols-3 gap-4">
                   <div className="col-span-2 space-y-1.5">
-                    <Label className="text-slate-300 text-xs">SMTP Host *</Label>
+                    <Label className="text-slate-300 text-xs">SMTP Host</Label>
                     <Input
                       value={smtpForm.host}
                       onChange={(e) => setSmtpForm({ ...smtpForm, host: e.target.value })}
@@ -328,7 +561,7 @@ export function SetupWizard() {
                     />
                   </div>
                   <div className="space-y-1.5">
-                    <Label className="text-slate-300 text-xs">SMTP Port *</Label>
+                    <Label className="text-slate-300 text-xs">SMTP Port</Label>
                     <Input
                       value={smtpForm.port}
                       onChange={(e) => setSmtpForm({ ...smtpForm, port: e.target.value })}
@@ -339,7 +572,7 @@ export function SetupWizard() {
                 </div>
 
                 <div className="space-y-1.5">
-                  <Label className="text-slate-300 text-xs">Benutzername *</Label>
+                  <Label className="text-slate-300 text-xs">Benutzername</Label>
                   <Input
                     value={smtpForm.user}
                     onChange={(e) => setSmtpForm({ ...smtpForm, user: e.target.value })}
@@ -359,32 +592,73 @@ export function SetupWizard() {
                   />
                 </div>
 
-                <div className="flex items-center gap-2 pt-2">
-                  <input
-                    type="checkbox"
-                    id="smtp_secure"
-                    checked={smtpForm.secure}
-                    onChange={(e) => setSmtpForm({ ...smtpForm, secure: e.target.checked })}
-                    className="w-4 h-4 rounded border-slate-700 bg-white/5 text-blue-500 focus:ring-0 focus:ring-offset-0"
-                  />
-                  <Label htmlFor="smtp_secure" className="text-slate-300 text-sm cursor-pointer select-none">
-                    Sichere Verbindung (SSL/TLS anstelle STARTTLS)
-                  </Label>
+                <div className="flex items-center justify-between pt-2">
+                  <div className="flex items-center gap-2">
+                    <input
+                      type="checkbox"
+                      id="smtp_secure"
+                      checked={smtpForm.secure}
+                      onChange={(e) => setSmtpForm({ ...smtpForm, secure: e.target.checked })}
+                      className="w-4 h-4 rounded border-slate-700 bg-white/5 text-blue-500 focus:ring-0 focus:ring-offset-0"
+                    />
+                    <Label htmlFor="smtp_secure" className="text-slate-300 text-sm cursor-pointer select-none">
+                      Sichere Verbindung (SSL/TLS)
+                    </Label>
+                  </div>
+
+                  <Button
+                    type="button"
+                    variant="secondary"
+                    size="sm"
+                    onClick={handleTestSmtp}
+                    disabled={testSmtpLoading || !smtpForm.host || !smtpForm.user}
+                    className="bg-white/10 hover:bg-white/20 text-white text-xs border border-white/10 flex items-center gap-1.5"
+                  >
+                    {testSmtpLoading ? (
+                      <>
+                        <Loader2 className="w-3.5 h-3.5 animate-spin" /> Testen...
+                      </>
+                    ) : (
+                      <>
+                        <Send className="w-3.5 h-3.5 text-blue-400" /> Test-E-Mail senden
+                      </>
+                    )}
+                  </Button>
                 </div>
+
+                {testSmtpResult && (
+                  <div
+                    className={`p-3 rounded-lg border text-xs font-medium ${
+                      testSmtpResult.success
+                        ? 'bg-emerald-500/10 border-emerald-500/30 text-emerald-400'
+                        : 'bg-red-500/10 border-red-500/30 text-red-400'
+                    }`}
+                  >
+                    {testSmtpResult.message}
+                  </div>
+                )}
               </div>
 
-              <div className="flex gap-3">
+              <div className="flex flex-col sm:flex-row gap-3 pt-2">
                 <Button
                   variant="ghost"
-                  onClick={() => setStep(2)}
+                  onClick={() => setStep(4)}
                   disabled={loading}
                   className="text-white hover:bg-white/5"
                 >
                   Zurück
                 </Button>
                 <Button
+                  variant="outline"
                   onClick={handleFinishSetup}
-                  disabled={!isSmtpFormValid || loading}
+                  disabled={loading}
+                  className="border-slate-700 text-slate-300 hover:text-white"
+                >
+                  Überspringen
+                </Button>
+                <Button
+                  onClick={handleFinishSetup}
+                  disabled={loading}
                   className="flex-1 bg-gradient-to-r from-blue-600 to-indigo-600 hover:from-blue-500 hover:to-indigo-500 text-white font-bold"
                 >
                   {loading ? (