diff --git a/app/__tests__/api/email.test.tsx b/app/__tests__/api/email.test.tsx
index 833cbbb..afc1d48 100644
--- a/app/__tests__/api/email.test.tsx
+++ b/app/__tests__/api/email.test.tsx
@@ -18,7 +18,7 @@ afterAll(() => {
 
 beforeEach(() => {
   nodemailermock.mock.reset();
-  process.env.MY_EMAIL = 'test@dki.one';
+  process.env.MY_EMAIL = 'test@dk0.dev';
   process.env.MY_PASSWORD = 'test-password';
 });
 
@@ -42,7 +42,7 @@ describe('POST /api/email', () => {
 
     const sentEmails = nodemailermock.mock.getSentMail();
     expect(sentEmails.length).toBe(1);
-    expect(sentEmails[0].to).toBe('contact@dki.one');
+    expect(sentEmails[0].to).toBe('contact@dk0.dev');
     expect(sentEmails[0].text).toContain('Hello! This is a test message.');
   });
 
diff --git a/app/__tests__/components/Header.test.tsx b/app/__tests__/components/Header.test.tsx
index 7b7fc48..e9c1108 100644
--- a/app/__tests__/components/Header.test.tsx
+++ b/app/__tests__/components/Header.test.tsx
@@ -5,7 +5,8 @@ import '@testing-library/jest-dom';
 describe('Header', () => {
   it('renders the header', () => {
     render(<Header />);
-    expect(screen.getByText('DK')).toBeInTheDocument();
+    expect(screen.getByText('dk')).toBeInTheDocument();
+    expect(screen.getByText('0')).toBeInTheDocument();
     
     const aboutButtons = screen.getAllByText('About');
     expect(aboutButtons.length).toBeGreaterThan(0);
diff --git a/components/EmailResponder.tsx b/components/EmailResponder.tsx
index f838614..f229f00 100644
--- a/components/EmailResponder.tsx
+++ b/components/EmailResponder.tsx
@@ -74,7 +74,7 @@ export const EmailResponder: React.FC<EmailResponderProps> = ({
                 setToastType('error');
                 setShowToast(true);
             }
-        } catch (error) {
+        } catch {
             setToastMessage('❌ Fehler beim Senden der E-Mail');
             setToastType('error');
             setShowToast(true);
@@ -144,7 +144,7 @@ export const EmailResponder: React.FC<EmailResponderProps> = ({
                                                 ? 'border-blue-500 bg-blue-50 shadow-lg scale-105'
                                                 : 'border-gray-200 hover:border-gray-300 hover:shadow-md'
                                         }`}
-                                        onClick={() => setSelectedTemplate(key as any)}
+                                        onClick={() => setSelectedTemplate(key as keyof typeof templates)}
                                     >
                                         <div className={`bg-gradient-to-r ${template.color} text-white p-4 rounded-t-xl`}>
                                             <div className="text-center">
diff --git a/components/ModernAdminDashboard.tsx b/components/ModernAdminDashboard.tsx
index 8adeb57..5d7e55e 100644
--- a/components/ModernAdminDashboard.tsx
+++ b/components/ModernAdminDashboard.tsx
@@ -4,13 +4,9 @@ import React, { useState, useEffect } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
 import { 
   Mail, 
-  Users, 
   BarChart3, 
-  Database, 
   Zap, 
   Globe, 
-  Shield, 
-  Bell,
   Settings,
   FileText,
   TrendingUp,
@@ -18,23 +14,9 @@ import {
   Plus,
   Edit,
   Trash2,
-  Eye,
-  Save,
-  Upload,
-  Bold,
-  Italic,
-  List,
-  Link as LinkIcon,
-  Image as ImageIcon,
-  Code,
-  Quote,
-  ChevronDown,
-  ChevronRight,
-  Palette,
-  Smile
+  Eye
 } from 'lucide-react';
 import Link from 'next/link';
-import ReactMarkdown from 'react-markdown';
 import { EmailManager } from './EmailManager';
 import { AnalyticsDashboard } from './AnalyticsDashboard';
 import ImportExport from './ImportExport';
@@ -81,43 +63,7 @@ interface Project {
 const ModernAdminDashboard: React.FC = () => {
   const [activeTab, setActiveTab] = useState<'overview' | 'projects' | 'emails' | 'analytics' | 'settings'>('overview');
   const [projects, setProjects] = useState<Project[]>([]);
-  const [selectedProject, setSelectedProject] = useState<Project | null>(null);
   const [isLoading, setIsLoading] = useState(true);
-  const [showProjectEditor, setShowProjectEditor] = useState(false);
-  const [isPreview, setIsPreview] = useState(false);
-  const [markdownContent, setMarkdownContent] = useState('');
-  const [formData, setFormData] = useState({
-    title: '',
-    description: '',
-    content: '',
-    tags: '',
-    category: '',
-    featured: false,
-    github: '',
-    live: '',
-    published: true,
-    imageUrl: '',
-    difficulty: 'Intermediate' as 'Beginner' | 'Intermediate' | 'Advanced' | 'Expert',
-    timeToComplete: '',
-    technologies: '',
-    challenges: '',
-    lessonsLearned: '',
-    futureImprovements: '',
-    demoVideo: '',
-    screenshots: '',
-    colorScheme: 'Dark',
-    accessibility: true,
-    performance: {
-      lighthouse: 90,
-      bundleSize: '50KB',
-      loadTime: '1.5s'
-    },
-    analytics: {
-      views: 0,
-      likes: 0,
-      shares: 0
-    }
-  });
 
   // Mock stats for overview
   const stats = {
@@ -175,14 +121,6 @@ const ModernAdminDashboard: React.FC = () => {
     setShowProjectEditor(true);
   };
 
-  const handleSave = async () => {
-    // Save logic here
-    console.log('Saving project...');
-    await loadProjects();
-    setShowProjectEditor(false);
-    setSelectedProject(null);
-  };
-
   const handleDelete = async (projectId: number) => {
     if (confirm('Are you sure you want to delete this project?')) {
       try {
@@ -240,12 +178,6 @@ const ModernAdminDashboard: React.FC = () => {
     { id: 'settings', label: 'Settings', icon: Settings, color: 'gray' }
   ];
 
-  const categories = [
-    "Web Development", "Full-Stack", "Web Application", "Mobile App", 
-    "Desktop App", "API Development", "Database Design", "DevOps", 
-    "UI/UX Design", "Game Development", "Machine Learning", "Data Science", 
-    "Blockchain", "IoT", "Cybersecurity"
-  ];
 
   return (
     <div className="min-h-screen bg-gradient-to-br from-slate-900 via-purple-900 to-slate-900">
@@ -290,7 +222,7 @@ const ModernAdminDashboard: React.FC = () => {
                   return (
                     <button
                       key={tab.id}
-                      onClick={() => setActiveTab(tab.id as any)}
+                      onClick={() => setActiveTab(tab.id as 'overview' | 'projects' | 'emails' | 'analytics' | 'settings')}
                       className={`w-full flex items-center space-x-3 px-4 py-3 rounded-xl transition-all duration-200 ${
                         activeTab === tab.id
                           ? `bg-${tab.color}-500/20 text-${tab.color}-400 border border-${tab.color}-500/30`
diff --git a/scripts/dev-minimal.js b/scripts/dev-minimal.js
index 4c9bdd0..b2c89cf 100644
--- a/scripts/dev-minimal.js
+++ b/scripts/dev-minimal.js
@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 
+/* eslint-disable @typescript-eslint/no-require-imports */
 const { spawn, exec } = require('child_process');
 const os = require('os');
 const isWindows = process.platform === 'win32';
diff --git a/scripts/dev-simple.js b/scripts/dev-simple.js
index d2ea915..ef658a8 100644
--- a/scripts/dev-simple.js
+++ b/scripts/dev-simple.js
@@ -1,5 +1,6 @@
 #!/usr/bin/env node
 
+/* eslint-disable @typescript-eslint/no-require-imports */
 const { spawn } = require('child_process');
 const isWindows = process.platform === 'win32';
 
diff --git a/scripts/setup-database.js b/scripts/setup-database.js
index ddf7d6c..176e4fa 100644
--- a/scripts/setup-database.js
+++ b/scripts/setup-database.js
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 
+/* eslint-disable @typescript-eslint/no-require-imports */
 const { exec } = require('child_process');
-const path = require('path');
 
 console.log('🗄️  Setting up database...');