feat(admin): restructure settings into subpages and hub overview

shop/app/admin/einstellungen/firmendaten/page.tsx

@@ -0,0 +1,232 @@
+'use client';
+
+import { useState, useEffect } from 'react';
+import { motion } from 'framer-motion';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Label } from '@/components/ui/label';
+import { Loader2, Building2, MapPin, Receipt, Save } from 'lucide-react';
+import { createClient } from '@/lib/supabase/client';
+import { getBrandingSettings, saveBrandingSettings } from '@/lib/actions/branding';
+import type { BrandingSettings } from '@/lib/constants/branding';
+import { useRouter } from 'next/navigation';
+
+export default function FirmendatenPage() {
+  const [loading, setLoading] = useState(true);
+  const [branding, setBranding] = useState<BrandingSettings>({
+    companyName: '',
+    street: '',
+    zip: '',
+    city: '',
+    billingStreet: '',
+    billingZip: '',
+    billingCity: '',
+    sameBillingAddress: true,
+    colorScheme: 'modern_blue',
+    primaryColor: '#2563eb',
+    accentColor: '#38bdf8',
+  });
+  const [saving, setSaving] = useState(false);
+  const [msg, setMsg] = useState('');
+  const [msgType, setMsgType] = useState<'success' | 'error' | ''>('');
+  const router = useRouter();
+
+  useEffect(() => {
+    async function loadData() {
+      try {
+        const supabase = createClient();
+        const { data: { user } } = await supabase.auth.getUser();
+        if (!user) {
+          router.push('/auth/login');
+          return;
+        }
+        const brandRes = await getBrandingSettings();
+        if (brandRes) setBranding(brandRes);
+      } catch (e) {
+        console.error(e);
+      } finally {
+        setLoading(false);
+      }
+    }
+    loadData();
+  }, [router]);
+
+  const handleSave = async () => {
+    setSaving(true);
+    setMsg('');
+    try {
+      const res = await saveBrandingSettings(branding);
+      if (res.success) {
+        setMsgType('success');
+        setMsg('Firmendaten erfolgreich gespeichert.');
+      } else {
+        setMsgType('error');
+        setMsg(res.error || 'Fehler beim Speichern.');
+      }
+    } catch (err: any) {
+      setMsgType('error');
+      setMsg(err.message || 'Fehler beim Speichern.');
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  if (loading) {
+    return <div className="p-8 text-white flex justify-center items-center"><Loader2 className="w-8 h-8 animate-spin text-primary" /></div>;
+  }
+
+  return (
+    <div className="p-6 max-w-5xl mx-auto space-y-6">
+      <div>
+        <h1 className="text-3xl font-extrabold tracking-tight text-white flex items-center gap-3">
+          <Building2 className="w-8 h-8 text-blue-400" />
+          Firmendaten & Anschrift
+        </h1>
+        <p className="text-slate-400 text-xs mt-1">
+          Verwaltung der eigenen Unternehmensanschrift für Rechnungen, Dokumente und Footereinträge.
+        </p>
+      </div>
+
+      {msg && (
+        <div className={`p-3.5 rounded-xl text-xs font-medium border ${
+          msgType === 'success' ? 'bg-emerald-500/10 border-emerald-500/20 text-emerald-400' : 'bg-destructive/10 border-destructive/20 text-destructive'
+        }`}>
+          {msg}
+        </div>
+      )}
+
+      <div className="p-6 rounded-2xl bg-slate-900/60 border border-slate-800 space-y-5">
+        <div className="grid md:grid-cols-2 gap-4">
+          <div className="space-y-1.5">
+            <Label className="text-xs font-bold text-slate-300">Firmenname *</Label>
+            <Input
+              value={branding.companyName}
+              onChange={(e) => setBranding({ ...branding, companyName: e.target.value })}
+              placeholder="z. B. Meine Firma GmbH"
+              className="bg-slate-950/80 border-slate-800 text-white text-sm"
+            />
+          </div>
+
+          <div className="space-y-1.5">
+            <Label className="text-xs font-bold text-slate-300">Logo-URL (Optional)</Label>
+            <Input
+              value={branding.logoUrl || ''}
+              onChange={(e) => setBranding({ ...branding, logoUrl: e.target.value })}
+              placeholder="https://domain.de/logo.png oder /assets/logo.png"
+              className="bg-slate-950/80 border-slate-800 text-white text-sm"
+            />
+          </div>
+        </div>
+
+        <div className="space-y-1.5">
+          <Label className="text-xs font-bold text-slate-300">Entwickler / Subline Beschriftung (Footer & Header)</Label>
+          <Input
+            value={branding.developerFooter || ''}
+            onChange={(e) => setBranding({ ...branding, developerFooter: e.target.value })}
+            placeholder="B2B Shop made by hephex"
+            className="bg-slate-950/80 border-slate-800 text-white text-sm"
+          />
+        </div>
+
+        <div className="grid md:grid-cols-2 gap-4 pt-3 border-t border-slate-800">
+          <div className="space-y-3">
+            <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" /> Hauptanschrift
+            </span>
+            <div className="space-y-1.5">
+              <Label className="text-xs text-slate-400">Straße &amp; Nr.</Label>
+              <Input
+                value={branding.street}
+                onChange={(e) => setBranding({ ...branding, street: e.target.value })}
+                placeholder="Musterstraße 12"
+                className="bg-slate-950/80 border-slate-800 text-white text-xs"
+              />
+            </div>
+            <div className="grid grid-cols-3 gap-2">
+              <div>
+                <Label className="text-xs text-slate-400">PLZ</Label>
+                <Input
+                  value={branding.zip}
+                  onChange={(e) => setBranding({ ...branding, zip: e.target.value })}
+                  placeholder="12345"
+                  className="bg-slate-950/80 border-slate-800 text-white text-xs"
+                />
+              </div>
+              <div className="col-span-2">
+                <Label className="text-xs text-slate-400">Ort</Label>
+                <Input
+                  value={branding.city}
+                  onChange={(e) => setBranding({ ...branding, city: e.target.value })}
+                  placeholder="Musterstadt"
+                  className="bg-slate-950/80 border-slate-800 text-white text-xs"
+                />
+              </div>
+            </div>
+          </div>
+
+          <div className="space-y-3">
+            <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-1.5 text-xs text-slate-400 cursor-pointer">
+                <input
+                  type="checkbox"
+                  checked={branding.sameBillingAddress}
+                  onChange={(e) => setBranding({ ...branding, sameBillingAddress: e.target.checked })}
+                  className="w-3.5 h-3.5 rounded border-slate-700 bg-slate-950 text-blue-500"
+                />
+                Gleiche wie Hauptanschrift
+              </label>
+            </div>
+
+            {!branding.sameBillingAddress ? (
+              <div className="space-y-3 p-3 rounded-xl bg-slate-950/40 border border-slate-800">
+                <div className="space-y-1.5">
+                  <Label className="text-xs text-slate-400">Rechnungsstraße &amp; Nr.</Label>
+                  <Input
+                    value={branding.billingStreet}
+                    onChange={(e) => setBranding({ ...branding, billingStreet: e.target.value })}
+                    placeholder="Rechnungsstraße 45"
+                    className="bg-slate-950/80 border-slate-800 text-white text-xs"
+                  />
+                </div>
+                <div className="grid grid-cols-3 gap-2">
+                  <div>
+                    <Label className="text-xs text-slate-400">PLZ</Label>
+                    <Input
+                      value={branding.billingZip}
+                      onChange={(e) => setBranding({ ...branding, billingZip: e.target.value })}
+                      placeholder="54321"
+                      className="bg-slate-950/80 border-slate-800 text-white text-xs"
+                    />
+                  </div>
+                  <div className="col-span-2">
+                    <Label className="text-xs text-slate-400">Ort</Label>
+                    <Input
+                      value={branding.billingCity}
+                      onChange={(e) => setBranding({ ...branding, billingCity: e.target.value })}
+                      placeholder="Rechnungsstadt"
+                      className="bg-slate-950/80 border-slate-800 text-white text-xs"
+                    />
+                  </div>
+                </div>
+              </div>
+            ) : (
+              <div className="p-3 rounded-xl bg-slate-950/40 border border-slate-800/60 text-xs text-slate-500 italic">
+                Verwendet automatisch die Hauptanschrift oben.
+              </div>
+            )}
+          </div>
+        </div>
+
+        <div className="flex justify-end pt-4 border-t border-slate-800">
+          <Button onClick={handleSave} disabled={saving} className="bg-blue-600 hover:bg-blue-500 text-white rounded-xl px-6 h-10 text-xs font-bold">
+            {saving ? <Loader2 className="w-4 h-4 mr-2 animate-spin" /> : <Save className="w-4 h-4 mr-2" />}
+            Speichern
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+}