diff --git a/vacation.php b/vacation.php
index 98dca00..fda02a6 100755
--- a/vacation.php
+++ b/vacation.php
@@ -1,49 +1,42 @@
 <?php
-// vacation.php
-// Korrektur: Die Pfade gehen jetzt direkt in den 'inc' Ordner.
 include('inc/check_login.php');
 include('inc/db.php');
 require_once 'inc/helpers.php';
 
 $message = '';
 $message_type = '';
-$logged_in_user_id = intval($_SESSION['user_id'] ?? 1); // Stellen Sie sicher, dass die User-ID verfügbar ist
+$logged_in_user_id = (int)($_SESSION['user_id'] ?? 1);
 
-// Aktion verarbeiten (Hinzufügen oder Löschen)
-if ($_SERVER["REQUEST_METHOD"] == "POST") {
-    if (isset($_POST['action']) && $_POST['action'] == 'add_vacation') {
-        $start_date = $_POST['start_date'];
-        $end_date = $_POST['end_date'];
+// --- Hinzufügen ---
+if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['action']) && $_POST['action'] == 'add_vacation') {
+    $start_date = $_POST['start_date'] ?? '';
+    $end_date = $_POST['end_date'] ?? '';
 
-        // Eingabe validieren
-        if (empty($start_date) || empty($end_date)) {
-            $message = "Bitte geben Sie ein Start- und Enddatum an.";
-            $message_type = "danger";
-        } elseif (strtotime($end_date) < strtotime($start_date)) {
-            $message = "Das Enddatum kann nicht vor dem Startdatum liegen.";
-            $message_type = "danger";
-        } else {
-            // Termin in die Datenbank einfügen
-            $stmt = mysqli_prepare($conn, "INSERT INTO vacations (user_id, start_date, end_date) VALUES (?, ?, ?)");
-            if ($stmt) {
-                mysqli_stmt_bind_param($stmt, "iss", $logged_in_user_id, $start_date, $end_date);
-                if (mysqli_stmt_execute($stmt)) {
-                    $message = "Urlaub erfolgreich hinzugefügt.";
-                    $message_type = "success";
-                } else {
-                    $message = "Fehler beim Hinzufügen des Urlaubs: " . mysqli_error($conn);
-                    $message_type = "danger";
-                }
-                mysqli_stmt_close($stmt);
+    if (empty($start_date) || empty($end_date)) {
+        $message = "Bitte geben Sie ein Start- und Enddatum an.";
+        $message_type = "danger";
+    } elseif (strtotime($end_date) < strtotime($start_date)) {
+        $message = "Das Enddatum kann nicht vor dem Startdatum liegen.";
+        $message_type = "danger";
+    } else {
+        $stmt = mysqli_prepare($conn, "INSERT INTO vacations (user_id, start_date, end_date) VALUES (?, ?, ?)");
+        if ($stmt) {
+            mysqli_stmt_bind_param($stmt, "iss", $logged_in_user_id, $start_date, $end_date);
+            if (mysqli_stmt_execute($stmt)) {
+                $message = "Urlaub erfolgreich hinzugefügt.";
+                $message_type = "success";
+            } else {
+                $message = "Fehler beim Hinzufügen des Urlaubs.";
+                $message_type = "danger";
             }
+            mysqli_stmt_close($stmt);
         }
     }
 }
 
-// Löschen-Aktion
+// --- Löschen ---
 if (isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id'])) {
-    $vacation_id = intval($_GET['id']);
-    // Überprüfen, ob die ID zum eingeloggten Benutzer gehört
+    $vacation_id = (int)$_GET['id'];
     $stmt = mysqli_prepare($conn, "DELETE FROM vacations WHERE id = ? AND user_id = ?");
     if ($stmt) {
         mysqli_stmt_bind_param($stmt, "ii", $vacation_id, $logged_in_user_id);
@@ -58,7 +51,7 @@ if (isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id']))
     }
 }
 
-// Alle bestehenden Urlaube des Benutzers abrufen
+// --- Daten laden ---
 $vacations = [];
 $stmt = mysqli_prepare($conn, "SELECT id, start_date, end_date FROM vacations WHERE user_id = ? ORDER BY start_date DESC");
 if ($stmt) {
@@ -75,33 +68,35 @@ require_once 'inc/header.php';
 ?>
 
 <div class="container mt-5">
-    <h2 class="mb-4">Abwesenheitsassistent</h2>
-
     <?php if ($message): ?>
         <div class="alert alert-<?= htmlspecialchars($message_type) ?> alert-dismissible fade show" role="alert">
             <?= htmlspecialchars($message) ?>
-            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
+            <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
         </div>
     <?php endif; ?>
 
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2 class="mb-0">Abwesenheitsassistent</h2>
+    </div>
+
     <div class="card shadow mb-4">
-        <div class="card-header bg-light">
-            <h5 class="mb-0">Urlaub eintragen</h5>
+        <div class="card-header bg-primary-subtle text-secondary">
+            <h4 class="mb-0">Urlaub eintragen</h4>
         </div>
         <div class="card-body">
             <form action="vacation.php" method="post">
                 <input type="hidden" name="action" value="add_vacation">
                 <div class="row g-3">
                     <div class="col-md-5">
-                        <label for="start_date" class="form-label">Startdatum</label>
-                        <input type="date" class="form-control" id="start_date" name="start_date" required>
+                        <label class="form-label">Startdatum</label>
+                        <input type="date" class="form-control" name="start_date" required>
                     </div>
                     <div class="col-md-5">
-                        <label for="end_date" class="form-label">Enddatum</label>
-                        <input type="date" class="form-control" id="end_date" name="end_date" required>
+                        <label class="form-label">Enddatum</label>
+                        <input type="date" class="form-control" name="end_date" required>
                     </div>
                     <div class="col-md-2 d-flex align-items-end">
-                        <button type="submit" class="btn btn-primary w-100">Hinzufügen</button>
+                        <button type="submit" class="btn btn-sm btn-outline-primary w-100">Hinzufügen</button>
                     </div>
                 </div>
             </form>
@@ -109,25 +104,46 @@ require_once 'inc/header.php';
     </div>
 
     <div class="card shadow">
-        <div class="card-header bg-light">
-            <h5 class="mb-0">Eingetragene Urlaube</h5>
+        <div class="card-header bg-secondary bg-opacity-50 text-secondary">
+            <h4 class="mb-0">Eingetragene Urlaube</h4>
         </div>
         <div class="card-body">
             <?php if (empty($vacations)): ?>
                 <p class="text-muted text-center">Es sind keine Urlaube eingetragen.</p>
             <?php else: ?>
-                <ul class="list-group list-group-flush">
-                    <?php foreach ($vacations as $vacation): ?>
-                        <li class="list-group-item d-flex justify-content-between align-items-center">
-                            <span>
-                                Vom <?= date('d.m.Y', strtotime($vacation['start_date'])) ?> bis <?= date('d.m.Y', strtotime($vacation['end_date'])) ?>
-                            </span>
-                            <a href="vacation.php?action=delete&id=<?= htmlspecialchars($vacation['id']) ?>" class="btn btn-sm btn-danger" onclick="return confirm('Sind Sie sicher, dass Sie diesen Urlaub löschen möchten?');">
-                                Löschen
-                            </a>
-                        </li>
-                    <?php endforeach; ?>
-                </ul>
+                <div class="table-responsive">
+                    <table class="table table-striped table-hover">
+                        <thead>
+                            <tr>
+                                <th>Zeitraum</th>
+                                <th class="text-end">Aktionen</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php foreach ($vacations as $vacation): ?>
+                                <tr>
+                                    <td>
+                                        Vom <?= date('d.m.Y', strtotime($vacation['start_date'])) ?> bis <?= date('d.m.Y', strtotime($vacation['end_date'])) ?>
+                                    </td>
+                                    <td class="text-end align-middle">
+                                        <div class="dropdown">
+                                            <a href="#" class="text-secondary" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+                                                <span class="material-icons">more_vert</span>
+                                            </a>
+                                            <ul class="dropdown-menu dropdown-menu-end">
+                                                <li>
+                                                    <a class="dropdown-item d-flex align-items-center text-danger" href="vacation.php?action=delete&id=<?= htmlspecialchars($vacation['id']) ?>" onclick="return confirm('Wirklich löschen?')">
+                                                        <span class="material-icons me-2">delete_outline</span> Löschen
+                                                    </a>
+                                                </li>
+                                            </ul>
+                                        </div>
+                                    </td>
+                                </tr>
+                            <?php endforeach; ?>
+                        </tbody>
+                    </table>
+                </div>
             <?php endif; ?>
         </div>
     </div>