diff --git a/src/main/java/de/antco/projekt/ConsoleUi.java b/src/main/java/de/antco/projekt/ConsoleUi.java
index 6fbda8f..da620e3 100644
--- a/src/main/java/de/antco/projekt/ConsoleUi.java
+++ b/src/main/java/de/antco/projekt/ConsoleUi.java
@@ -6,18 +6,12 @@ import de.antco.projekt.model.Vehicle;
 import de.antco.projekt.model.WorkOrderDetails;
 import de.antco.projekt.model.WorkOrderItem;
 import de.antco.projekt.service.WorkshopService;
-import de.antco.projekt.importers.IImporter;
-import de.antco.projekt.importers.CsvPersonImporter;
-import de.antco.projekt.exporters.IExporter;
-import de.antco.projekt.exporters.CsvPersonExporter;
 
 import java.sql.SQLException;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Scanner;
+import java.util.*;
 
 public class ConsoleUi {
+
     private final WorkshopService service;
     private final Scanner scanner = new Scanner(System.in);
 
@@ -27,202 +21,243 @@ public class ConsoleUi {
 
     public void start() {
         boolean running = true;
+
         while (running) {
-            printMenu();
-            String input = scanner.nextLine();
+            showMenu();
+            String choice = scanner.nextLine().trim();
+
             try {
-                switch (input) {
+                switch (choice) {
                     case "1" -> addPerson();
-                    case "2" -> listPersons();
+                    case "2" -> showPersons();
                     case "3" -> addVehicle();
-                    case "4" -> listVehiclesOfPerson();
+                    case "4" -> showVehiclesOfPerson();
                     case "5" -> createWorkOrder();
-                    case "6" -> listWorkOrders();
-                    case "7" -> importPersons();
-                    case "8" -> exportPersons();
+                    case "6" -> showWorkOrders();
                     case "0" -> running = false;
-                    default -> System.out.println("Unbekannte Auswahl");
+                    default -> System.out.println("Ungültige Eingabe.");
                 }
             } catch (SQLException e) {
-                System.out.println("Fehler: " + e.getMessage());
+                System.out.println("Ein Fehler ist aufgetreten: " + e.getMessage());
             }
         }
-        System.out.println("Bis dann");
+
+        System.out.println("Programm beendet.");
     }
 
-    private void printMenu() {
-        System.out.println();
-        System.out.println("==== Werkstatt Menü ====");
+    private void showMenu() {
+        System.out.println("\n=== Werkstatt Menü ===");
         System.out.println("1) Kunde anlegen");
         System.out.println("2) Kunden anzeigen");
         System.out.println("3) Fahrzeug anlegen");
-        System.out.println("4) Fahrzeuge einer Person");
+        System.out.println("4) Fahrzeuge einer Person anzeigen");
         System.out.println("5) Werkstattvorgang anlegen");
         System.out.println("6) Vorgänge anzeigen");
-        System.out.println("7) Personen importieren (CSV)");
-        System.out.println("8) Personen exportieren (CSV)");
-        System.out.println("0) Ende");
+        System.out.println("0) Beenden");
         System.out.print("Auswahl: ");
     }
 
-    private void addPerson() throws SQLException {
-        System.out.print("Name: ");
-        String name = scanner.nextLine();
-        System.out.print("Telefon: ");
-        String phone = scanner.nextLine();
-        Person person = service.createPerson(name, phone);
-        System.out.println("Kunde gespeichert mit ID " + person.getId());
-    }
+    // ---------------- Eingabe-Hilfen ----------------
 
-    private void listPersons() throws SQLException {
-        List<Person> persons = service.listPersons();
-        if (persons.isEmpty()) {
-            System.out.println("Keine Personen da");
-            return;
-        }
-        persons.forEach(p -> System.out.println(p.toString()));
-    }
-
-    private void addVehicle() throws SQLException {
-        System.out.print("Personen ID: ");
-        int personId = parseInt(scanner.nextLine());
-        Person owner = service.findPerson(personId);
-        if (owner == null) {
-            System.out.println("Person nicht gefunden");
-            return;
-        }
-        System.out.print("Hersteller: ");
-        String brand = scanner.nextLine();
-        System.out.print("Modell: ");
-        String model = scanner.nextLine();
-        System.out.print("Kennzeichen: ");
-        String plate = scanner.nextLine();
-        Vehicle vehicle = service.createVehicle(personId, brand, model, plate);
-        System.out.println("Fahrzeug gespeichert mit ID " + vehicle.getId());
-    }
-
-    private void listVehiclesOfPerson() throws SQLException {
-        System.out.print("Personen ID: ");
-        int personId = parseInt(scanner.nextLine());
-        Person owner = service.findPerson(personId);
-        if (owner == null) {
-            System.out.println("Person nicht gefunden");
-            return;
-        }
-        List<Vehicle> vehicles = service.listVehicles(personId);
-        System.out.println("Fahrzeuge von " + owner.getName() + ":");
-        if (vehicles.isEmpty()) {
-            System.out.println("Keine Einträge");
-            return;
-        }
-        vehicles.forEach(v -> System.out.println(v.toString()));
-    }
-
-    private void createWorkOrder() throws SQLException {
-        System.out.print("Fahrzeug ID: ");
-        int vehicleId = parseInt(scanner.nextLine());
-        Vehicle vehicle = service.findVehicle(vehicleId);
-        if (vehicle == null) {
-            System.out.println("Fahrzeug nicht gefunden");
-            return;
-        }
-        System.out.print("Notiz: ");
-        String note = scanner.nextLine();
-        List<ServiceItem> catalog = service.listServiceItems();
-        Map<Integer, Integer> selected = new LinkedHashMap<>();
-        boolean adding = true;
-        while (adding) {
-            showCatalog(catalog);
-            System.out.print("Service ID (leer = fertig): ");
+    private int readInt(String text) {
+        while (true) {
+            System.out.print(text);
             String input = scanner.nextLine();
-            if (input.isBlank()) {
-                adding = false;
-            } else {
-                int serviceId = parseInt(input);
-                ServiceItem item = catalog.stream().filter(s -> s.getId() == serviceId).findFirst().orElse(null);
-                if (item == null) {
-                    System.out.println("Service gibt es nicht");
-                    continue;
-                }
-                System.out.print("Menge: ");
-                int qty = parseInt(scanner.nextLine());
-                if (qty <= 0) {
-                    System.out.println("Menge muss > 0 sein");
-                    continue;
-                }
-                selected.put(serviceId, selected.getOrDefault(serviceId, 0) + qty);
+
+            try {
+                return Integer.parseInt(input.trim());
+            } catch (NumberFormatException e) {
+                System.out.println("Bitte eine gültige Zahl eingeben.");
             }
         }
-        if (selected.isEmpty()) {
-            System.out.println("Keine Positionen gespeichert");
+    }
+
+    private String readNonEmpty(String text) {
+        while (true) {
+            System.out.print(text);
+            String value = scanner.nextLine().trim();
+
+            if (!value.isEmpty()) {
+                return value;
+            }
+
+            System.out.println("Eingabe darf nicht leer sein.");
+        }
+    }
+
+    private String readValidName(String text) {
+        while (true) {
+            String name = readNonEmpty(text);
+
+            if (name.matches("[a-zA-ZäöüÄÖÜß ]+")) {
+                return name;
+            }
+
+            System.out.println("Der Name darf nur Buchstaben enthalten.");
+        }
+    }
+
+    private String readPhoneNumber(String text) {
+        while (true) {
+            System.out.print(text);
+            String phone = scanner.nextLine().trim();
+
+            if (phone.matches("\\d+")) {
+                return phone;
+            }
+
+            System.out.println("Telefonnummer darf nur Zahlen enthalten.");
+        }
+    }
+
+    // ---------------- Personen ----------------
+
+    private void addPerson() throws SQLException {
+        String name = readValidName("Name: ");
+        String phone = readPhoneNumber("Telefonnummer: ");
+
+        Person person = service.createPerson(name, phone);
+        System.out.println("Kunde gespeichert (ID: " + person.getId() + ")");
+    }
+
+    private void showPersons() throws SQLException {
+        List<Person> persons = service.listPersons();
+
+        if (persons.isEmpty()) {
+            System.out.println("Keine Kunden vorhanden.");
             return;
         }
-        int orderId = service.createWorkOrder(vehicleId, note, selected);
-        System.out.println("Vorgang angelegt mit ID " + orderId);
+
+        System.out.println("\n--- Kundenliste ---");
+        persons.forEach(System.out::println);
     }
 
-    private void showCatalog(List<ServiceItem> items) {
-        System.out.println("Katalog:");
-        items.forEach(item -> System.out.println(item.toString()));
+    // ---------------- Fahrzeuge ----------------
+
+    private void addVehicle() throws SQLException {
+        int personId = readInt("Personen-ID: ");
+        Person person = service.findPerson(personId);
+
+        if (person == null) {
+            System.out.println("Person wurde nicht gefunden.");
+            return;
+        }
+
+        String brand = readNonEmpty("Hersteller: ");
+        String model = readNonEmpty("Modell: ");
+        String plate = readNonEmpty("Kennzeichen: ");
+
+        Vehicle vehicle = service.createVehicle(personId, brand, model, plate);
+        System.out.println("Fahrzeug angelegt (ID: " + vehicle.getId() + ")");
     }
 
-    private void listWorkOrders() throws SQLException {
+    private void showVehiclesOfPerson() throws SQLException {
+        int personId = readInt("Personen-ID: ");
+        Person person = service.findPerson(personId);
+
+        if (person == null) {
+            System.out.println("Person nicht gefunden.");
+            return;
+        }
+
+        List<Vehicle> vehicles = service.listVehicles(personId);
+
+        System.out.println("Fahrzeuge von " + person.getName() + ":");
+        if (vehicles.isEmpty()) {
+            System.out.println("Keine Fahrzeuge vorhanden.");
+        } else {
+            vehicles.forEach(System.out::println);
+        }
+    }
+
+    // ---------------- Werkstattvorgänge ----------------
+
+    private void createWorkOrder() throws SQLException {
+        int vehicleId = readInt("Fahrzeug-ID: ");
+        Vehicle vehicle = service.findVehicle(vehicleId);
+
+        if (vehicle == null) {
+            System.out.println("Fahrzeug nicht gefunden.");
+            return;
+        }
+
+        String note = readNonEmpty("Notiz: ");
+
+        List<ServiceItem> catalog = service.listServiceItems();
+        Map<Integer, Integer> selectedItems = new LinkedHashMap<>();
+
+        while (true) {
+            System.out.println("\n--- Service-Katalog ---");
+            catalog.forEach(System.out::println);
+
+            System.out.print("Service-ID (leer = fertig): ");
+            String input = scanner.nextLine().trim();
+
+            if (input.isEmpty()) {
+                break;
+            }
+
+            int serviceId;
+            try {
+                serviceId = Integer.parseInt(input);
+            } catch (NumberFormatException e) {
+                System.out.println("Bitte eine gültige ID eingeben.");
+                continue;
+            }
+
+            ServiceItem item = catalog.stream()
+                    .filter(s -> s.getId() == serviceId)
+                    .findFirst()
+                    .orElse(null);
+
+            if (item == null) {
+                System.out.println("Service nicht gefunden.");
+                continue;
+            }
+
+            int qty = readInt("Menge: ");
+            if (qty <= 0) {
+                System.out.println("Menge muss größer als 0 sein.");
+                continue;
+            }
+
+            selectedItems.merge(serviceId, qty, Integer::sum);
+        }
+
+        if (selectedItems.isEmpty()) {
+            System.out.println("Keine Positionen ausgewählt.");
+            return;
+        }
+
+        int orderId = service.createWorkOrder(vehicleId, note, selectedItems);
+        System.out.println("Vorgang wurde angelegt (ID: " + orderId + ")");
+    }
+
+    private void showWorkOrders() throws SQLException {
         List<WorkOrderDetails> orders = service.listWorkOrders();
+
         if (orders.isEmpty()) {
-            System.out.println("Keine Vorgänge gespeichert");
+            System.out.println("Keine Vorgänge vorhanden.");
             return;
         }
+
         for (WorkOrderDetails order : orders) {
-            System.out.println("--- Vorgang " + order.getOrderId() + " ---");
+            System.out.println("\n--- Vorgang " + order.getOrderId() + " ---");
             System.out.println("Kunde: " + order.getPersonName());
             System.out.println("Fahrzeug: " + order.getVehicleText());
             System.out.println("Datum: " + order.getCreatedAt());
+
             if (order.getNote() != null && !order.getNote().isBlank()) {
                 System.out.println("Notiz: " + order.getNote());
             }
+
             for (WorkOrderItem item : order.getItems()) {
-                System.out.println("  * " + item.getServiceItem().getTitle() + " x" + item.getQuantity() +
+                System.out.println("  - " + item.getServiceItem().getTitle() +
+                        " x" + item.getQuantity() +
                         " = " + item.getTotalPrice() + " €");
             }
-            System.out.println("Summe: " + order.getTotal() + " €");
-        }
-    }
 
-    private void importPersons() {
-        System.out.print("Pfad zur CSV-Datei: ");
-        String path = scanner.nextLine();
-        IImporter<Person> importer = new CsvPersonImporter();
-        try {
-            List<Person> imported = importer.importData(path);
-            int count = 0;
-            for (Person p : imported) {
-                service.createPerson(p.getName(), p.getPhone());
-                count++;
-            }
-            System.out.println(count + " Personen erfolgreich importiert.");
-        } catch (Exception e) {
-            System.out.println("Fehler beim Import: " + e.getMessage());
-        }
-    }
-
-    private void exportPersons() {
-        System.out.print("Pfad zur Ziel-Datei: ");
-        String path = scanner.nextLine();
-        try {
-            List<Person> persons = service.listPersons();
-            IExporter<Person> exporter = new CsvPersonExporter();
-            exporter.exportData(persons, path);
-            System.out.println(persons.size() + " Personen exportiert.");
-        } catch (Exception e) {
-            System.out.println("Fehler beim Export: " + e.getMessage());
-        }
-    }
-
-    private int parseInt(String input) {
-        try {
-            return Integer.parseInt(input.trim());
-        } catch (NumberFormatException e) {
-            return -1;
+            System.out.println("Gesamtsumme: " + order.getTotal() + " €");
         }
     }
 }
diff --git a/target/classes/de/antco/projekt/ConsoleUi.class b/target/classes/de/antco/projekt/ConsoleUi.class
index ef101c3..fa07774 100644
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diff --git a/target/classes/de/antco/projekt/Exporters/IExporter.class b/target/classes/de/antco/projekt/Exporters/IExporter.class
deleted file mode 100644
index 06482d1..0000000
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diff --git a/target/classes/de/antco/projekt/Importers/IImporter.class b/target/classes/de/antco/projekt/Importers/IImporter.class
deleted file mode 100644
index 12168a7..0000000
Binary files a/target/classes/de/antco/projekt/Importers/IImporter.class and /dev/null differ