diff --git a/src/app/(protected)/admin/listings/[slug]/page.tsx b/src/app/(protected)/admin/listings/[slug]/page.tsx
new file mode 100644
index 0000000..c1a1ebf
--- /dev/null
+++ b/src/app/(protected)/admin/listings/[slug]/page.tsx
@@ -0,0 +1,349 @@
+import { prisma } from "@/lib/prisma";
+import { redirect } from "next/navigation";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { updateListing, deleteListing, addNote, addTagToListing, removeTagFromListing } from "../actions";
+
+export default async function EditListingPage({
+  params,
+}: {
+  params: { slug: string };
+}) {
+  const listing = await prisma.listing.findUnique({
+    where: { slug: params.slug },
+    include: {
+      tags: {
+        include: { tag: true },
+      },
+      notes: {
+        orderBy: { createdAt: "desc" },
+      },
+    },
+  });
+
+  if (!listing) {
+    redirect("/listings");
+  }
+
+  const allTags = await prisma.tag.findMany({
+    orderBy: { name: "asc" },
+  });
+
+  const listingTagIds = listing.tags.map((t) => t.tagId);
+  const availableTags = allTags.filter((t) => !listingTagIds.includes(t.id));
+
+  return (
+    <div className="min-h-screen bg-slate-50 p-8">
+      <div className="container mx-auto">
+        <div className="flex justify-between items-center mb-8">
+          <h1 className="text-3xl font-bold">✏️ Listing bearbeiten</h1>
+          <a
+            href={`/listings/${listing.slug}`}
+            className="text-blue-600 hover:underline"
+          >
+            ← Zurück zur Detailseite
+          </a>
+        </div>
+
+        <div className="grid grid-cols-1 lg:grid-cols-3 gap-8">
+          {/* Main Form */}
+          <div className="lg:col-span-2">
+            <Card>
+              <CardHeader>
+                <CardTitle>Grunddaten</CardTitle>
+              </CardHeader>
+              <CardContent>
+                <form action={updateListing} className="space-y-4">
+                  <input type="hidden" name="id" value={listing.id} />
+
+                  <div>
+                    <Label htmlFor="title">Titel</Label>
+                    <Input
+                      id="title"
+                      name="title"
+                      defaultValue={listing.title}
+                      required
+                    />
+                  </div>
+
+                  <div>
+                    <Label htmlFor="locationText">Ort</Label>
+                    <Input
+                      id="locationText"
+                      name="locationText"
+                      defaultValue={listing.locationText || ""}
+                    />
+                  </div>
+
+                  <div className="grid grid-cols-2 gap-4">
+                    <div>
+                      <Label htmlFor="nightlyPrice">Preis pro Nacht (€)</Label>
+                      <Input
+                        id="nightlyPrice"
+                        name="nightlyPrice"
+                        type="number"
+                        step="0.01"
+                        defaultValue={listing.nightlyPrice || ""}
+                      />
+                    </div>
+                    <div>
+                      <Label htmlFor="rating">Bewertung</Label>
+                      <Input
+                        id="rating"
+                        name="rating"
+                        type="number"
+                        step="0.01"
+                        max="5"
+                        defaultValue={listing.rating || ""}
+                      />
+                    </div>
+                  </div>
+
+                  <div className="grid grid-cols-3 gap-4">
+                    <div>
+                      <Label htmlFor="bedrooms">Schlafzimmer</Label>
+                      <Input
+                        id="bedrooms"
+                        name="bedrooms"
+                        type="number"
+                        defaultValue={listing.bedrooms || ""}
+                      />
+                    </div>
+                    <div>
+                      <Label htmlFor="beds">Betten</Label>
+                      <Input
+                        id="beds"
+                        name="beds"
+                        type="number"
+                        defaultValue={listing.beds || ""}
+                      />
+                    </div>
+                    <div>
+                      <Label htmlFor="bathrooms">Badezimmer</Label>
+                      <Input
+                        id="bathrooms"
+                        name="bathrooms"
+                        type="number"
+                        step="0.5"
+                        defaultValue={listing.bathrooms || ""}
+                      />
+                    </div>
+                  </div>
+
+                  <div className="grid grid-cols-2 gap-4">
+                    <div>
+                      <Label htmlFor="guestCount">Gäste (offiziell)</Label>
+                      <Input
+                        id="guestCount"
+                        name="guestCount"
+                        type="number"
+                        defaultValue={listing.guestCount || ""}
+                      />
+                    </div>
+                    <div>
+                      <Label htmlFor="maxSleepingPlaces">Max Schlafplätze</Label>
+                      <Input
+                        id="maxSleepingPlaces"
+                        name="maxSleepingPlaces"
+                        type="number"
+                        defaultValue={listing.maxSleepingPlaces || ""}
+                      />
+                    </div>
+                  </div>
+
+                  <div>
+                    <Label htmlFor="hostName">Host Name</Label>
+                    <Input
+                      id="hostName"
+                      name="hostName"
+                      defaultValue={listing.hostName || ""}
+                    />
+                  </div>
+
+                  <div>
+                    <Label htmlFor="description">Beschreibung</Label>
+                    <textarea
+                      id="description"
+                      name="description"
+                      rows={4}
+                      className="w-full p-2 border rounded-md"
+                      defaultValue={listing.description || ""}
+                    />
+                  </div>
+
+                  <div className="grid grid-cols-2 gap-4">
+                    <div>
+                      <Label htmlFor="status">Status</Label>
+                      <select
+                        id="status"
+                        name="status"
+                        defaultValue={listing.status}
+                        className="w-full p-2 border rounded-md"
+                      >
+                        <option value="NEW">Neu</option>
+                        <option value="INTERESTING">Interessant</option>
+                        <option value="SHORTLIST">Kurzliste</option>
+                        <option value="BOOKED">Gebucht</option>
+                        <option value="REJECTED">Abgelehnt</option>
+                      </select>
+                    </div>
+                    <div>
+                      <Label htmlFor="isFavorite">Favorit</Label>
+                      <select
+                        id="isFavorite"
+                        name="isFavorite"
+                        defaultValue={listing.isFavorite.toString()}
+                        className="w-full p-2 border rounded-md"
+                      >
+                        <option value="false">Nein</option>
+                        <option value="true">Ja</option>
+                      </select>
+                    </div>
+                  </div>
+
+                  <div className="flex gap-4 pt-4">
+                    <Button type="submit" className="flex-1">
+                      Änderungen speichern
+                    </Button>
+                  </div>
+                </form>
+
+                <form action={deleteListing} className="mt-4">
+                  <input type="hidden" name="id" value={listing.id} />
+                  <Button
+                    type="submit"
+                    variant="destructive"
+                    className="w-full"
+                    onClick={(e) => {
+                      if (!confirm("Möchten Sie dieses Listing wirklich löschen?")) {
+                        e.preventDefault();
+                      }
+                    }}
+                  >
+                    🗑️ Listing löschen
+                  </Button>
+                </form>
+              </CardContent>
+            </Card>
+          </div>
+
+          {/* Sidebar */}
+          <div className="space-y-6">
+            {/* Tags */}
+            <Card>
+              <CardHeader>
+                <CardTitle>🏷️ Tags</CardTitle>
+              </CardHeader>
+              <CardContent className="space-y-4">
+                <div className="flex flex-wrap gap-2">
+                  {listing.tags.map((lt) => (
+                    <div
+                      key={lt.tag.id}
+                      className="flex items-center gap-1 px-2 py-1 rounded-full text-white text-sm"
+                      style={{ backgroundColor: lt.tag.color || "#6366f1" }}
+                    >
+                      {lt.tag.name}
+                      <form action={removeTagFromListing}>
+                        <input type="hidden" name="listingId" value={listing.id} />
+                        <input type="hidden" name="tagId" value={lt.tag.id} />
+                        <button type="submit" className="hover:opacity-70">
+                          ×
+                        </button>
+                      </form>
+                    </div>
+                  ))}
+                  {listing.tags.length === 0 && (
+                    <p className="text-slate-500 text-sm">Keine Tags</p>
+                  )}
+                </div>
+
+                {availableTags.length > 0 && (
+                  <form action={addTagToListing}>
+                    <input type="hidden" name="listingId" value={listing.id} />
+                    <select
+                      name="tagId"
+                      className="w-full p-2 border rounded-md text-sm"
+                    >
+                      <option value="">Tag hinzufügen...</option>
+                      {availableTags.map((tag) => (
+                        <option key={tag.id} value={tag.id}>
+                          {tag.name}
+                        </option>
+                      ))}
+                    </select>
+                    <Button type="submit" size="sm" className="mt-2 w-full">
+                      Tag hinzufügen
+                    </Button>
+                  </form>
+                )}
+              </CardContent>
+            </Card>
+
+            {/* Notes */}
+            <Card>
+              <CardHeader>
+                <CardTitle>📝 Notizen</CardTitle>
+              </CardHeader>
+              <CardContent className="space-y-4">
+                <div className="space-y-2 max-h-48 overflow-y-auto">
+                  {listing.notes.map((note) => (
+                    <div key={note.id} className="p-2 bg-slate-50 rounded text-sm">
+                      {note.body}
+                      <p className="text-xs text-slate-400 mt-1">
+                        {new Date(note.createdAt).toLocaleDateString("de-DE")}
+                      </p>
+                    </div>
+                  ))}
+                  {listing.notes.length === 0 && (
+                    <p className="text-slate-500 text-sm">Keine Notizen</p>
+                  )}
+                </div>
+
+                <form action={addNote}>
+                  <input type="hidden" name="listingId" value={listing.id} />
+                  <textarea
+                    name="body"
+                    placeholder="Neue Notiz..."
+                    rows={2}
+                    className="w-full p-2 border rounded-md text-sm"
+                    required
+                  />
+                  <Button type="submit" size="sm" className="mt-2 w-full">
+                    Notiz hinzufügen
+                  </Button>
+                </form>
+              </CardContent>
+            </Card>
+
+            {/* Info */}
+            <Card>
+              <CardHeader>
+                <CardTitle>ℹ️ Info</CardTitle>
+              </CardHeader>
+              <CardContent className="text-sm space-y-2">
+                <p>
+                  <span className="text-slate-500">Importiert:</span>{" "}
+                  {new Date(listing.importedAt).toLocaleDateString("de-DE")}
+                </p>
+                <p>
+                  <span className="text-slate-500">Airbnb URL:</span>
+                  <br />
+                  <a
+                    href={listing.airbnbUrl}
+                    target="_blank"
+                    rel="noopener noreferrer"
+                    className="text-blue-600 hover:underline truncate block"
+                  >
+                    {listing.airbnbUrl}
+                  </a>
+                </p>
+              </CardContent>
+            </Card>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/src/app/(protected)/admin/listings/actions.ts b/src/app/(protected)/admin/listings/actions.ts
new file mode 100644
index 0000000..a530ef1
--- /dev/null
+++ b/src/app/(protected)/admin/listings/actions.ts
@@ -0,0 +1,117 @@
+"use server";
+
+import { prisma } from "@/lib/prisma";
+import { revalidatePath } from "next/cache";
+import { redirect } from "next/navigation";
+
+export async function updateListing(formData: FormData) {
+  const id = formData.get("id") as string;
+  const title = formData.get("title") as string;
+  const locationText = formData.get("locationText") as string;
+  const nightlyPrice = parseFloat(formData.get("nightlyPrice") as string) || null;
+  const rating = parseFloat(formData.get("rating") as string) || null;
+  const reviewCount = parseInt(formData.get("reviewCount") as string) || null;
+  const bedrooms = parseInt(formData.get("bedrooms") as string) || null;
+  const beds = parseInt(formData.get("beds") as string) || null;
+  const bathrooms = parseFloat(formData.get("bathrooms") as string) || null;
+  const guestCount = parseInt(formData.get("guestCount") as string) || null;
+  const maxSleepingPlaces = parseInt(formData.get("maxSleepingPlaces") as string) || null;
+  const hostName = formData.get("hostName") as string;
+  const description = formData.get("description") as string;
+  const status = formData.get("status") as string;
+  const isFavorite = formData.get("isFavorite") === "true";
+
+  await prisma.listing.update({
+    where: { id },
+    data: {
+      title,
+      locationText,
+      nightlyPrice,
+      rating,
+      reviewCount,
+      bedrooms,
+      beds,
+      bathrooms,
+      guestCount,
+      maxSleepingPlaces,
+      hostName,
+      description,
+      status,
+      isFavorite,
+    },
+  });
+
+  revalidatePath("/listings");
+  revalidatePath(`/listings/${id}`);
+  redirect(`/listings`);
+}
+
+export async function deleteListing(formData: FormData) {
+  const id = formData.get("id") as string;
+
+  await prisma.listing.delete({
+    where: { id },
+  });
+
+  revalidatePath("/listings");
+  redirect("/listings");
+}
+
+export async function toggleFavorite(formData: FormData) {
+  const id = formData.get("id") as string;
+  const isFavorite = formData.get("isFavorite") === "true";
+
+  await prisma.listing.update({
+    where: { id },
+    data: { isFavorite: !isFavorite },
+  });
+
+  revalidatePath("/listings");
+  revalidatePath(`/listings/${id}`);
+}
+
+export async function addNote(formData: FormData) {
+  const listingId = formData.get("listingId") as string;
+  const body = formData.get("body") as string;
+
+  if (!body?.trim()) return;
+
+  await prisma.adminNote.create({
+    data: {
+      listingId,
+      body: body.trim(),
+    },
+  });
+
+  revalidatePath(`/listings/${listingId}`);
+}
+
+export async function addTagToListing(formData: FormData) {
+  const listingId = formData.get("listingId") as string;
+  const tagId = formData.get("tagId") as string;
+
+  await prisma.listingTag.create({
+    data: {
+      listingId,
+      tagId,
+    },
+  });
+
+  revalidatePath(`/listings/${listingId}`);
+}
+
+export async function removeTagFromListing(formData: FormData) {
+  const listingId = formData.get("listingId") as string;
+  const tagId = formData.get("tagId") as string;
+
+  await prisma.listingTag.delete({
+    where: {
+      listingId_tagId: {
+        listingId,
+        tagId,
+      },
+    },
+  });
+
+  revalidatePath(`/listings/${listingId}`);
+}
diff --git a/src/app/(protected)/admin/tags/actions.ts b/src/app/(protected)/admin/tags/actions.ts
new file mode 100644
index 0000000..b9b7da6
--- /dev/null
+++ b/src/app/(protected)/admin/tags/actions.ts
@@ -0,0 +1,33 @@
+"use server";
+
+import { prisma } from "@/lib/prisma";
+import { revalidatePath } from "next/cache";
+
+export async function createTag(formData: FormData) {
+  const name = formData.get("name") as string;
+  const color = formData.get("color") as string;
+
+  if (!name) return;
+
+  const slug = name.toLowerCase().replace(/\s+/g, "-");
+
+  await prisma.tag.upsert({
+    where: { slug },
+    update: { color },
+    create: { name, slug, color },
+  });
+
+  revalidatePath("/admin/tags");
+}
+
+export async function deleteTag(formData: FormData) {
+  const tagId = formData.get("tagId") as string;
+
+  if (!tagId) return;
+
+  await prisma.tag.delete({
+    where: { id: tagId },
+  });
+
+  revalidatePath("/admin/tags");
+}
diff --git a/src/app/(protected)/admin/tags/page.tsx b/src/app/(protected)/admin/tags/page.tsx
new file mode 100644
index 0000000..63494f3
--- /dev/null
+++ b/src/app/(protected)/admin/tags/page.tsx
@@ -0,0 +1,119 @@
+import { prisma } from "@/lib/prisma";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { createTag, deleteTag } from "./actions";
+
+export default async function TagsPage() {
+  const tags = await prisma.tag.findMany({
+    include: {
+      _count: {
+        select: { listings: true },
+      },
+    },
+    orderBy: { name: "asc" },
+  });
+
+  const defaultColors = [
+    "#6366f1", // Indigo
+    "#10b981", // Emerald
+    "#f59e0b", // Amber
+    "#ef4444", // Red
+    "#8b5cf6", // Violet
+    "#ec4899", // Pink
+    "#14b8a6", // Teal
+    "#f97316", // Orange
+  ];
+
+  return (
+    <div className="min-h-screen bg-slate-50 p-8">
+      <div className="container mx-auto">
+        <h1 className="text-3xl font-bold mb-8">🏷️ Tags verwalten</h1>
+
+        <div className="grid grid-cols-1 lg:grid-cols-2 gap-8">
+          {/* Create Tag Form */}
+          <Card>
+            <CardHeader>
+              <CardTitle>Neuen Tag erstellen</CardTitle>
+            </CardHeader>
+            <CardContent>
+              <form action={createTag} className="space-y-4">
+                <div>
+                  <Label htmlFor="name">Name</Label>
+                  <Input
+                    id="name"
+                    name="name"
+                    placeholder="z.B. Günstig, Luxus, Favorit"
+                    required
+                  />
+                </div>
+                <div>
+                  <Label htmlFor="color">Farbe</Label>
+                  <div className="flex gap-2 mt-2">
+                    {defaultColors.map((color) => (
+                      <label key={color} className="cursor-pointer">
+                        <input
+                          type="radio"
+                          name="color"
+                          value={color}
+                          className="sr-only"
+                        />
+                        <div
+                          className="w-8 h-8 rounded-full border-2 border-transparent hover:border-slate-400 transition"
+                          style={{ backgroundColor: color }}
+                        />
+                      </label>
+                    ))}
+                  </div>
+                </div>
+                <Button type="submit" className="w-full">
+                  Tag erstellen
+                </Button>
+              </form>
+            </CardContent>
+          </Card>
+
+          {/* Existing Tags */}
+          <Card>
+            <CardHeader>
+              <CardTitle>Alle Tags ({tags.length})</CardTitle>
+            </CardHeader>
+            <CardContent>
+              <div className="space-y-3">
+                {tags.map((tag) => (
+                  <div
+                    key={tag.id}
+                    className="flex items-center justify-between p-3 bg-slate-50 rounded-lg"
+                  >
+                    <div className="flex items-center gap-3">
+                      <div
+                        className="w-4 h-4 rounded-full"
+                        style={{ backgroundColor: tag.color || "#6366f1" }}
+                      />
+                      <span className="font-medium">{tag.name}</span>
+                      <span className="text-sm text-slate-500">
+                        ({tag._count.listings} Listings)
+                      </span>
+                    </div>
+                    <form action={deleteTag}>
+                      <input type="hidden" name="tagId" value={tag.id} />
+                      <Button variant="destructive" size="sm">
+                        Löschen
+                      </Button>
+                    </form>
+                  </div>
+                ))}
+                {tags.length === 0 && (
+                  <p className="text-slate-500 text-center py-4">
+                    Noch keine Tags vorhanden
+                  </p>
+                )}
+              </div>
+            </CardContent>
+          </Card>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/src/app/(protected)/layout.tsx b/src/app/(protected)/layout.tsx
new file mode 100644
index 0000000..8b96615
--- /dev/null
+++ b/src/app/(protected)/layout.tsx
@@ -0,0 +1,89 @@
+import { auth, signOut } from "@/lib/auth";
+import Link from "next/link";
+import { redirect } from "next/navigation";
+import { Button } from "@/components/ui/button";
+
+export default async function ProtectedLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  const session = await auth();
+
+  if (!session) {
+    redirect("/login");
+  }
+
+  return (
+    <div className="min-h-screen bg-slate-50">
+      {/* Navigation */}
+      <nav className="bg-white border-b border-slate-200 sticky top-0 z-50">
+        <div className="container mx-auto px-4">
+          <div className="flex items-center justify-between h-16">
+            <div className="flex items-center gap-6">
+              <Link href="/dashboard" className="text-xl font-bold">
+                🏠 Airbnb Finder
+              </Link>
+              <div className="hidden md:flex items-center gap-4">
+                <Link
+                  href="/dashboard"
+                  className="text-slate-600 hover:text-slate-900 transition"
+                >
+                  Dashboard
+                </Link>
+                <Link
+                  href="/listings"
+                  className="text-slate-600 hover:text-slate-900 transition"
+                >
+                  Listings
+                </Link>
+                <Link
+                  href="/compare"
+                  className="text-slate-600 hover:text-slate-900 transition"
+                >
+                  Vergleich
+                </Link>
+                <Link
+                  href="/map"
+                  className="text-slate-600 hover:text-slate-900 transition"
+                >
+                  Karte
+                </Link>
+                <Link
+                  href="/admin/import"
+                  className="text-slate-600 hover:text-slate-900 transition"
+                >
+                  Import
+                </Link>
+                <Link
+                  href="/admin/tags"
+                  className="text-slate-600 hover:text-slate-900 transition"
+                >
+                  Tags
+                </Link>
+              </div>
+            </div>
+            <div className="flex items-center gap-4">
+              <span className="text-sm text-slate-500 hidden sm:block">
+                {session.user?.name || "Admin"}
+              </span>
+              <form
+                action={async () => {
+                  "use server";
+                  await signOut();
+                }}
+              >
+                <Button variant="outline" size="sm">
+                  Logout
+                </Button>
+              </form>
+            </div>
+          </div>
+        </div>
+      </nav>
+
+      {/* Main Content */}
+      <main>{children}</main>
+    </div>
+  );
+}
diff --git a/src/app/api/auth/[...nextauth]/route.ts b/src/app/api/auth/[...nextauth]/route.ts
new file mode 100644
index 0000000..c55a45e
--- /dev/null
+++ b/src/app/api/auth/[...nextauth]/route.ts
@@ -0,0 +1,3 @@
+import { handlers } from "@/lib/auth";
+
+export const { GET, POST } = handlers;
diff --git a/src/app/login/page.tsx b/src/app/login/page.tsx
new file mode 100644
index 0000000..47bb6cb
--- /dev/null
+++ b/src/app/login/page.tsx
@@ -0,0 +1,53 @@
+import { signIn } from "@/lib/auth";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+
+export default function LoginPage() {
+  return (
+    <div className="min-h-screen flex items-center justify-center bg-slate-100">
+      <Card className="w-full max-w-md">
+        <CardHeader className="text-center">
+          <CardTitle className="text-2xl">🏠 Airbnb Finder</CardTitle>
+          <p className="text-slate-500">Admin Login</p>
+        </CardHeader>
+        <CardContent>
+          <form
+            action={async (formData) => {
+              "use server";
+              await signIn("credentials", formData);
+            }}
+            className="space-y-4"
+          >
+            <div>
+              <Label htmlFor="username">Benutzername</Label>
+              <Input
+                id="username"
+                name="username"
+                type="text"
+                placeholder="admin"
+                required
+                className="mt-1"
+              />
+            </div>
+            <div>
+              <Label htmlFor="password">Passwort</Label>
+              <Input
+                id="password"
+                name="password"
+                type="password"
+                placeholder="••••••••"
+                required
+                className="mt-1"
+              />
+            </div>
+            <Button type="submit" className="w-full">
+              Anmelden
+            </Button>
+          </form>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 295f8fd..a74cb27 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -1,65 +1,5 @@
-import Image from "next/image";
+import { redirect } from "next/navigation";
 
 export default function Home() {
-  return (
-    <div className="flex min-h-screen items-center justify-center bg-zinc-50 font-sans dark:bg-black">
-      <main className="flex min-h-screen w-full max-w-3xl flex-col items-center justify-between py-32 px-16 bg-white dark:bg-black sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={100}
-          height={20}
-          priority
-        />
-        <div className="flex flex-col items-center gap-6 text-center sm:items-start sm:text-left">
-          <h1 className="max-w-xs text-3xl font-semibold leading-10 tracking-tight text-black dark:text-zinc-50">
-            To get started, edit the page.tsx file.
-          </h1>
-          <p className="max-w-md text-lg leading-8 text-zinc-600 dark:text-zinc-400">
-            Looking for a starting point or more instructions? Head over to{" "}
-            <a
-              href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
-            >
-              Templates
-            </a>{" "}
-            or the{" "}
-            <a
-              href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
-            >
-              Learning
-            </a>{" "}
-            center.
-          </p>
-        </div>
-        <div className="flex flex-col gap-4 text-base font-medium sm:flex-row">
-          <a
-            className="flex h-12 w-full items-center justify-center gap-2 rounded-full bg-foreground px-5 text-background transition-colors hover:bg-[#383838] dark:hover:bg-[#ccc] md:w-[158px]"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={16}
-              height={16}
-            />
-            Deploy Now
-          </a>
-          <a
-            className="flex h-12 w-full items-center justify-center rounded-full border border-solid border-black/[.08] px-5 transition-colors hover:border-transparent hover:bg-black/[.04] dark:border-white/[.145] dark:hover:bg-[#1a1a1a] md:w-[158px]"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Documentation
-          </a>
-        </div>
-      </main>
-    </div>
-  );
+  redirect("/dashboard");
 }
diff --git a/src/middleware.ts b/src/middleware.ts
new file mode 100644
index 0000000..ac8c48b
--- /dev/null
+++ b/src/middleware.ts
@@ -0,0 +1,29 @@
+import { auth } from "@/lib/auth";
+import { NextResponse } from "next/server";
+
+export default auth((req) => {
+  const isLoggedIn = !!req.auth;
+  const isOnLogin = req.nextUrl.pathname.startsWith("/login");
+  const isApiRoute = req.nextUrl.pathname.startsWith("/api");
+
+  // Allow API routes (they handle their own auth)
+  if (isApiRoute) {
+    return NextResponse.next();
+  }
+
+  // Redirect to login if not authenticated
+  if (!isLoggedIn && !isOnLogin) {
+    return NextResponse.redirect(new URL("/login", req.nextUrl));
+  }
+
+  // Redirect to dashboard if already logged in and on login page
+  if (isLoggedIn && isOnLogin) {
+    return NextResponse.redirect(new URL("/dashboard", req.nextUrl));
+  }
+
+  return NextResponse.next();
+});
+
+export const config = {
+  matcher: ["/((?!_next/static|_next/image|favicon.ico).*)"],
+};