weiter die Sache mit Auth

app/login/actions.ts

@@ -0,0 +1,33 @@
+'use server';
+
+import { verifyCredentials } from '@/lib/auth';
+import { createSession, deleteSession } from '@/lib/session';
+import { redirect } from 'next/navigation';
+
+export async function login(prevState: any, formData: FormData) {
+  const username = formData.get('username') as string;
+  const password = formData.get('password') as string;
+
+  console.log('Login attempt:', { username, passwordLength: password?.length });
+  console.log('AUTH_USERS env:', process.env.AUTH_USERS);
+
+  if (!username || !password) {
+    return { error: 'Bitte Benutzername und Passwort eingeben' };
+  }
+
+  const isValid = verifyCredentials(username, password);
+  
+  console.log('Credentials valid:', isValid);
+
+  if (!isValid) {
+    return { error: 'Ungültige Anmeldedaten' };
+  }
+
+  await createSession(username);
+  redirect('/');
+}
+
+export async function logout() {
+  await deleteSession();
+  redirect('/login');
+}

app/login/page.tsx

@@ -0,0 +1,79 @@
+'use client';
+
+import { useActionState } from 'react';
+import { login } from './actions';
+
+export default function LoginPage() {
+  const [state, loginAction, isPending] = useActionState(login, undefined);
+
+  return (
+    <div className="min-h-screen flex items-center justify-center bg-gradient-to-br from-blue-50 to-indigo-100 dark:from-gray-900 dark:to-gray-800 px-4">
+      <div className="max-w-md w-full space-y-8 bg-white dark:bg-gray-800 p-8 rounded-2xl shadow-xl">
+        <div className="text-center">
+          <h1 className="text-3xl font-bold text-gray-900 dark:text-white mb-2">
+            Anmeldung
+          </h1>
+          <p className="text-gray-600 dark:text-gray-400">
+            Bitte melden Sie sich an, um fortzufahren
+          </p>
+        </div>
+
+        <form action={loginAction} className="mt-8 space-y-6">
+          <div className="space-y-4">
+            <div>
+              <label
+                htmlFor="username"
+                className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1"
+              >
+                Benutzername
+              </label>
+              <input
+                id="username"
+                name="username"
+                type="text"
+                required
+                autoComplete="username"
+                className="appearance-none relative block w-full px-4 py-3 border border-gray-300 dark:border-gray-600 placeholder-gray-500 dark:placeholder-gray-400 text-gray-900 dark:text-white bg-white dark:bg-gray-700 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent transition-colors"
+                placeholder="Benutzername"
+                disabled={isPending}
+              />
+            </div>
+
+            <div>
+              <label
+                htmlFor="password"
+                className="block text-sm font-medium text-gray-700 dark:text-gray-300 mb-1"
+              >
+                Passwort
+              </label>
+              <input
+                id="password"
+                name="password"
+                type="password"
+                required
+                autoComplete="current-password"
+                className="appearance-none relative block w-full px-4 py-3 border border-gray-300 dark:border-gray-600 placeholder-gray-500 dark:placeholder-gray-400 text-gray-900 dark:text-white bg-white dark:bg-gray-700 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-transparent transition-colors"
+                placeholder="Passwort"
+                disabled={isPending}
+              />
+            </div>
+          </div>
+
+          {state?.error && (
+            <div className="bg-red-50 dark:bg-red-900/30 border border-red-200 dark:border-red-800 text-red-700 dark:text-red-300 px-4 py-3 rounded-lg text-sm">
+              {state.error}
+            </div>
+          )}
+
+          <button
+            type="submit"
+            disabled={isPending}
+            className="w-full flex justify-center py-3 px-4 border border-transparent text-sm font-semibold rounded-lg text-white bg-blue-600 hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-blue-500 disabled:opacity-50 disabled:cursor-not-allowed transition-all duration-200 shadow-lg hover:shadow-xl"
+          >
+            {isPending ? 'Anmeldung läuft...' : 'Anmelden'}
+          </button>
+        </form>
+      </div>
+    </div>
+  );
+}

app/page.tsx

@@ -3,6 +3,7 @@
 import { useState, useEffect } from 'react';
 import AusgabenForm from '@/components/AusgabenForm';
 import AusgabenList from '@/components/AusgabenList';
+import LogoutButton from '@/components/LogoutButton';
 import { AusgabenEntry } from '@/types/ausgaben';
 import packageJson from '@/package.json';
 
@@ -59,7 +60,10 @@ export default function Home() {
   return (
     <div className="min-h-screen bg-white py-4 px-4">
       <main className="max-w-7xl mx-auto border-2 border-black rounded-lg p-6 bg-[#FFFFDD]">
-        <h1 className="text-3xl font-bold text-center mb-6">Ausgaben - Log</h1>
+        <div className="flex justify-between items-center mb-6">
+          <h1 className="text-3xl font-bold">Ausgaben - Log</h1>
+          <LogoutButton className="px-4 py-2 bg-red-600 hover:bg-red-700 text-white text-sm rounded-lg transition-colors shadow-md" />
+        </div>
         
         {/* Tab Navigation */}
         <div className="flex gap-2 mb-6">