Colors ins normale Menü verschoben

admin/colors.php

@@ -1,173 +0,0 @@
-<?php
-include('../inc/check_login.php');
-include('../inc/check_admin.php');
-require_once '../inc/db.php';
-
-$message = '';
-$message_type = '';
-$edit_mode = false;
-$edit_color = null;
-
-// --- Löschen ---
-if (isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id'])) {
-    $id = $_GET['id'];
-    $stmt = mysqli_prepare($conn, "DELETE FROM colors WHERE id = ?");
-    mysqli_stmt_bind_param($stmt, "i", $id);
-    if (mysqli_stmt_execute($stmt)) {
-        $message = "Farbe erfolgreich gelöscht!";
-        $message_type = 'success';
-    } else {
-        $message = "Fehler beim Löschen der Farbe.";
-        $message_type = 'danger';
-    }
-    mysqli_stmt_close($stmt);
-}
-
-// --- Bearbeiten ---
-if (isset($_GET['action']) && $_GET['action'] == 'edit' && isset($_GET['id'])) {
-    $id = $_GET['id'];
-    $stmt = mysqli_prepare($conn, "SELECT id, name, hex_code FROM colors WHERE id = ?");
-    mysqli_stmt_bind_param($stmt, "i", $id);
-    mysqli_stmt_execute($stmt);
-    $result = mysqli_stmt_get_result($stmt);
-    $edit_color = mysqli_fetch_assoc($result);
-    mysqli_stmt_close($stmt);
-    $edit_mode = true;
-}
-
-// --- Hinzufügen / Aktualisieren ---
-if ($_SERVER["REQUEST_METHOD"] == "POST") {
-    $name = $_POST['name'];
-    $hex_code = $_POST['hex_code'];
-    $id = $_POST['id'] ?? null;
-
-    if ($id) {
-        $stmt = mysqli_prepare($conn, "UPDATE colors SET name = ?, hex_code = ? WHERE id = ?");
-        mysqli_stmt_bind_param($stmt, "ssi", $name, $hex_code, $id);
-        if (mysqli_stmt_execute($stmt)) {
-            $message = "Farbe erfolgreich aktualisiert!";
-            $message_type = 'success';
-        } else {
-            $message = "Fehler beim Aktualisieren der Farbe.";
-            $message_type = 'danger';
-        }
-        mysqli_stmt_close($stmt);
-    } else {
-        $stmt = mysqli_prepare($conn, "INSERT INTO colors (name, hex_code) VALUES (?, ?)");
-        mysqli_stmt_bind_param($stmt, "ss", $name, $hex_code);
-        if (mysqli_stmt_execute($stmt)) {
-            $message = "Neue Farbe erfolgreich hinzugefügt!";
-            $message_type = 'success';
-        } else {
-            $message = "Fehler beim Hinzufügen der Farbe.";
-            $message_type = 'danger';
-        }
-        mysqli_stmt_close($stmt);
-    }
-}
-
-// --- Farben auslesen ---
-$colors = [];
-$result = mysqli_query($conn, "SELECT id, name, hex_code FROM colors ORDER BY name");
-while ($row = mysqli_fetch_assoc($result)) {
-    $colors[] = $row;
-}
-
-require_once '../inc/header.php';
-?>
-
-<div class="container mt-5">
-
-    <?php if ($message) : ?>
-        <div class="alert alert-<?= $message_type ?> alert-dismissible fade show" role="alert">
-            <?= htmlspecialchars($message) ?>
-            <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
-        </div>
-    <?php endif; ?>
-
-    <div class="d-flex justify-content-between align-items-center mb-4">
-        <h2 class="mb-0">Farbverwaltung</h2>
-    </div>
-
-    <div class="collapse <?= $edit_mode ? 'show' : '' ?>" id="colorFormCollapse">
-        <div class="card shadow mb-4">
-            <div class="card-header bg-primary-subtle text-secondary">
-                <h4 class="mb-0"><?= $edit_mode ? 'Farbe bearbeiten' : 'Neue Farbe hinzufügen'; ?></h4>
-            </div>
-            <div class="card-body">
-                <form action="colors.php" method="post">
-                    <?php if ($edit_mode): ?>
-                        <input type="hidden" name="id" value="<?= htmlspecialchars($edit_color['id']); ?>">
-                    <?php endif; ?>
-                    <div class="row g-3">
-                        <div class="col-md-6">
-                            <label for="name" class="form-label">Name der Farbe</label>
-                            <input type="text" class="form-control" id="name" name="name"
-                                value="<?= htmlspecialchars($edit_color['name'] ?? ''); ?>" required>
-                        </div>
-                        <div class="col-md-6">
-                            <label for="hex_code" class="form-label">Hex-Code</label>
-                            <input type="color" class="form-control form-control-color" id="hex_code" name="hex_code"
-                                value="<?= htmlspecialchars($edit_color['hex_code'] ?? '#'); ?>">
-                        </div>
-                        <div class="col-12 d-flex justify-content-start mt-2">
-                            <button type="submit" class="btn btn-sm btn-outline-<?= $edit_mode ? 'success' : 'primary'; ?> me-2">
-                                <?= $edit_mode ? 'Speichern' : 'Hinzufügen'; ?>
-                            </button>
-                            <a href="colors.php" class="btn btn-sm btn-outline-secondary">Abbrechen</a>
-                        </div>
-                    </div>
-                </form>
-            </div>
-        </div>
-        <hr class="mt-4 mb-4">
-    </div>
-
-    <div class="card shadow">
-        <div class="card-header bg-secondary bg-opacity-50 text-secondary d-flex justify-content-between align-items-center mb-4">
-            <h4 class="mb-0">Aktuelle Farben</h4>
-            <a class="btn btn-sm d-flex align-items-center justify-content-center" data-bs-toggle="collapse" href="#colorFormCollapse" role="button" aria-expanded="false" aria-controls="colorFormCollapse">Add
-                <span class="material-symbols-outlined">add</span>
-            </a>
-        </div>
-        <div class="card-body">
-            <?php if (empty($colors)): ?>
-                <p class="text-muted text-center">Es sind noch keine Farben vorhanden.</p>
-            <?php else: ?>
-                <div class="table-responsive">
-                    <table class="table table-striped table-hover">
-                        <thead>
-                            <tr>
-                                <th>Name</th>
-                                <th>Hex-Code</th>
-                                <th>Farbe</th>
-                                <th>Aktionen</th>
-                            </tr>
-                        </thead>
-                        <tbody>
-                            <?php foreach ($colors as $color): ?>
-                                <tr>
-                                    <td><?= htmlspecialchars($color['name']); ?></td>
-                                    <td><?= htmlspecialchars($color['hex_code']); ?></td>
-                                    <td>
-                                        <div style="background-color: <?= htmlspecialchars($color['hex_code']); ?>; width: 40px; height: 20px; border: 1px solid #ccc;"></div>
-                                    </td>
-                                    <td>
-                                        <a href="colors.php?action=edit&id=<?= htmlspecialchars($color['id']); ?>" class="text-dark me-1 text-decoration-none">
-                                            <span class="material-icons">mode_edit_outline</span>
-                                        </a>
-                                        <a href="colors.php?action=delete&id=<?= htmlspecialchars($color['id']); ?>" class="text-danger text-decoration-none" onclick="return confirm('Sind Sie sicher, dass Sie diese Farbe löschen möchten?');">
-                                            <span class="material-icons">delete_outline</span>
-                                        </a>
-                                    </td>
-                                </tr>
-                            <?php endforeach; ?>
-                        </tbody>
-                    </table>
-                </div>
-            <?php endif; ?>
-        </div>
-    </div>
-</div>
-
-<?php include('../inc/footer.php'); ?>

admin/participant.php

@@ -7,11 +7,11 @@ include('../inc/check_login.php');
 include('../inc/db.php');
 require_once '../inc/helpers.php';
 
-// Nur Admin darf diese Seite nutzen
-if (!isset($_SESSION['role']) || $_SESSION['role'] !== 'admin') {
-    header("Location: ../index.php");
-    exit;
-}
+// Nur Admin darf diese Seite nutzen deaktiviert
+// if (!isset($_SESSION['role']) || $_SESSION['role'] !== 'admin') {
+//     header("Location: ../index.php");
+//     exit;
+// }
 
 // Meeting-ID prüfen
 if (!isset($_GET['id'])) {

colors.php

@@ -0,0 +1,204 @@
+<?php
+session_start(); // Sicherstellen, dass Session läuft
+if (!isset($_SESSION['user_id'])) {
+    header("Location: login.php");
+    exit();
+}
+
+require_once 'inc/db.php';
+
+// Prüfen, ob der aktuelle Benutzer Admin ist
+$is_admin = ($_SESSION['role'] === 'admin');
+
+$message = '';
+$message_type = '';
+$edit_mode = false;
+$edit_color = null;
+
+// --- Nur Admins: Löschen ---
+if ($is_admin && isset($_GET['action']) && $_GET['action'] == 'delete' && isset($_GET['id'])) {
+    $id = (int)$_GET['id'];
+    $stmt = mysqli_prepare($conn, "DELETE FROM colors WHERE id = ?");
+    mysqli_stmt_bind_param($stmt, "i", $id);
+    if (mysqli_stmt_execute($stmt)) {
+        $message = "Farbe erfolgreich gelöscht!";
+        $message_type = 'success';
+    } else {
+        $message = "Fehler beim Löschen der Farbe.";
+        $message_type = 'danger';
+    }
+    mysqli_stmt_close($stmt);
+    // Weiterleitung verhindert doppeltes Löschen beim Reload
+    header("Location: colors.php");
+    exit();
+}
+
+// --- Nur Admins: Bearbeiten (Vorbereitung) ---
+if ($is_admin && isset($_GET['action']) && $_GET['action'] == 'edit' && isset($_GET['id'])) {
+    $id = (int)$_GET['id'];
+    $stmt = mysqli_prepare($conn, "SELECT id, name, hex_code FROM colors WHERE id = ?");
+    mysqli_stmt_bind_param($stmt, "i", $id);
+    mysqli_stmt_execute($stmt);
+    $result = mysqli_stmt_get_result($stmt);
+    $edit_color = mysqli_fetch_assoc($result);
+    mysqli_stmt_close($stmt);
+    if ($edit_color) {
+        $edit_mode = true;
+    } else {
+        $message = "Farbe nicht gefunden.";
+        $message_type = 'warning';
+    }
+}
+
+// --- Nur Admins: Hinzufügen / Aktualisieren ---
+if ($is_admin && $_SERVER["REQUEST_METHOD"] == "POST") {
+    $name = trim($_POST['name'] ?? '');
+    $hex_code = trim($_POST['hex_code'] ?? '');
+    $id = !empty($_POST['id']) ? (int)$_POST['id'] : null;
+
+    if (empty($name) || empty($hex_code)) {
+        $message = "Name und Farbcode sind erforderlich.";
+        $message_type = 'danger';
+    } else {
+        if ($id) {
+            $stmt = mysqli_prepare($conn, "UPDATE colors SET name = ?, hex_code = ? WHERE id = ?");
+            mysqli_stmt_bind_param($stmt, "ssi", $name, $hex_code, $id);
+            if (mysqli_stmt_execute($stmt)) {
+                $message = "Farbe erfolgreich aktualisiert!";
+                $message_type = 'success';
+            } else {
+                $message = "Fehler beim Aktualisieren der Farbe.";
+                $message_type = 'danger';
+            }
+            mysqli_stmt_close($stmt);
+        } else {
+            $stmt = mysqli_prepare($conn, "INSERT INTO colors (name, hex_code) VALUES (?, ?)");
+            mysqli_stmt_bind_param($stmt, "ss", $name, $hex_code);
+            if (mysqli_stmt_execute($stmt)) {
+                $message = "Neue Farbe erfolgreich hinzugefügt!";
+                $message_type = 'success';
+            } else {
+                $message = "Fehler beim Hinzufügen der Farbe.";
+                $message_type = 'danger';
+            }
+            mysqli_stmt_close($stmt);
+        }
+        // Nach POST: Weiterleitung zur Anzeige (Post-Redirect-Get)
+        header("Location: colors.php");
+        exit();
+    }
+}
+
+// --- Farben für alle anzeigen ---
+$colors = [];
+$result = mysqli_query($conn, "SELECT id, name, hex_code FROM colors ORDER BY name");
+while ($row = mysqli_fetch_assoc($result)) {
+    $colors[] = $row;
+}
+
+require_once 'inc/header.php';
+?>
+
+<div class="container mt-5">
+
+    <?php if ($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>
+        </div>
+    <?php endif; ?>
+
+    <div class="d-flex justify-content-between align-items-center mb-4">
+        <h2 class="mb-0">Farbverwaltung</h2>
+        <?php if ($is_admin): ?>
+            <a class="btn btn-sm btn-outline-primary d-flex align-items-center" data-bs-toggle="collapse" href="#colorFormCollapse" role="button">
+                <span class="material-symbols-outlined me-1">add</span> Farbe hinzufügen
+            </a>
+        <?php endif; ?>
+    </div>
+
+    <?php if ($is_admin): ?>
+        <div class="collapse <?= $edit_mode ? 'show' : '' ?>" id="colorFormCollapse">
+            <div class="card shadow mb-4">
+                <div class="card-header bg-primary-subtle text-secondary">
+                    <h4 class="mb-0"><?= $edit_mode ? 'Farbe bearbeiten' : 'Neue Farbe hinzufügen'; ?></h4>
+                </div>
+                <div class="card-body">
+                    <form action="colors.php" method="post">
+                        <?php if ($edit_mode): ?>
+                            <input type="hidden" name="id" value="<?= htmlspecialchars($edit_color['id']); ?>">
+                        <?php endif; ?>
+                        <div class="row g-3">
+                            <div class="col-md-6">
+                                <label for="name" class="form-label">Name der Farbe</label>
+                                <input type="text" class="form-control" id="name" name="name"
+                                    value="<?= htmlspecialchars($edit_color['name'] ?? ''); ?>" required>
+                            </div>
+                            <div class="col-md-6">
+                                <label for="hex_code" class="form-label">Hex-Code</label>
+                                <input type="color" class="form-control form-control-color" id="hex_code" name="hex_code"
+                                    value="<?= htmlspecialchars($edit_color['hex_code'] ?? '#000000'); ?>">
+                            </div>
+                            <div class="col-12 d-flex justify-content-start mt-2">
+                                <button type="submit" class="btn btn-sm btn-outline-<?= $edit_mode ? 'success' : 'primary'; ?> me-2">
+                                    <?= $edit_mode ? 'Speichern' : 'Hinzufügen'; ?>
+                                </button>
+                                <a href="colors.php" class="btn btn-sm btn-outline-secondary">Abbrechen</a>
+                            </div>
+                        </div>
+                    </form>
+                </div>
+            </div>
+            <hr class="mt-4 mb-4">
+        </div>
+    <?php endif; ?>
+
+    <div class="card shadow">
+        <div class="card-header bg-secondary bg-opacity-50 text-secondary">
+            <h4 class="mb-0">Aktuelle Farben</h4>
+        </div>
+        <div class="card-body">
+            <?php if (empty($colors)): ?>
+                <p class="text-muted text-center">Es sind noch keine Farben vorhanden.</p>
+            <?php else: ?>
+                <div class="table-responsive">
+                    <table class="table table-striped table-hover">
+                        <thead>
+                            <tr>
+                                <th>Name</th>
+                                <th>Hex-Code</th>
+                                <th>Farbe</th>
+                                <?php if ($is_admin): ?>
+                                    <th>Aktionen</th>
+                                <?php endif; ?>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            <?php foreach ($colors as $color): ?>
+                                <tr>
+                                    <td><?= htmlspecialchars($color['name']); ?></td>
+                                    <td><?= htmlspecialchars($color['hex_code']); ?></td>
+                                    <td>
+                                        <div style="background-color: <?= htmlspecialchars($color['hex_code']); ?>; width: 40px; height: 20px; border: 1px solid #ccc;"></div>
+                                    </td>
+                                    <?php if ($is_admin): ?>
+                                        <td>
+                                            <a href="colors.php?action=edit&id=<?= htmlspecialchars($color['id']); ?>" class="text-dark me-1 text-decoration-none">
+                                                <span class="material-icons">mode_edit_outline</span>
+                                            </a>
+                                            <a href="colors.php?action=delete&id=<?= htmlspecialchars($color['id']); ?>" class="text-danger text-decoration-none" onclick="return confirm('Sind Sie sicher, dass Sie diese Farbe löschen möchten?');">
+                                                <span class="material-icons">delete_outline</span>
+                                            </a>
+                                        </td>
+                                    <?php endif; ?>
+                                </tr>
+                            <?php endforeach; ?>
+                        </tbody>
+                    </table>
+                </div>
+            <?php endif; ?>
+        </div>
+    </div>
+</div>
+
+<?php include('inc/footer.php'); ?>

inc/menu.php

@@ -27,14 +27,18 @@
                 <li class="nav-item">
                     <a class="nav-link d-flex" href="#"><span class="material-icons md-18 me-1">message</span>Kontakt</a>
                 </li> -->
-
+                <li class="nav-item dropdown">
+                    <a class="nav-link d-flex align-items-center dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown"><span class="material-icons md-18 me-1">settings</span>Settings</a>
+                    <ul class="dropdown-menu">
+                        <li><a class="dropdown-item" href="../colors.php">Farben</a></li>
+                    </ul>
+                </li>
                 <?php
                 if (isset($_SESSION['role']) && $_SESSION['role'] == 'admin') {
                 ?>
                     <li class="nav-item dropdown">
                         <a class="nav-link d-flex align-items-center dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown"><span class="material-icons md-18 me-1">admin_panel_settings</span>Admin</a>
                         <ul class="dropdown-menu">
-                            <li><a class="dropdown-item" href="../admin/colors.php">Farben</a></li>
                             <li><a class="dropdown-item" href="../admin/planning.php">Terminplanung</a></li>
                             <li><a class="dropdown-item" href="../admin/users.php">Benutzer</a></li>
                             <li><a class="dropdown-item" href="../admin/check_session.php">Session prüfen</a></li>

index.php

@@ -216,10 +216,7 @@ if ($row) {
     }
 
     // --- TERMINVERSCHIEBUNG (ohne Änderung) ---
-    include('verschiebung.php'); // oder den gesamten Block hier lassen – optional
-    // ... (hier kommt dein bestehender Verschiebungscode – unverändert)
-    // Da du ihn bereits modularisiert hast, kannst du auch `include('verschiebung.php');` nutzen
-    // Für diese Version lasse ich ihn aus Platzgründen weg – du kannst ihn wie gewohnt einfügen.
+    include('verschiebung.php');
 }
 
 include('inc/header.php');
@@ -239,7 +236,7 @@ $german_weekdays = [
     <!-- Optional: Hinweis bei automatischer Ablehnung -->
     <?php if (isset($auto_declined) && $auto_declined === 'declined'): ?>
         <div class="alert alert-info alert-dismissible fade show" role="alert">
-            Du befindest dich im Abwesenheitsmodus → Teilnahme wurde automatisch abgelehnt.
+            Abwesenheitsmodus aktiv.
             <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
         </div>
     <?php endif; ?>
@@ -287,7 +284,26 @@ $german_weekdays = [
                     </button>
                 </div>
             </div>
-
+            <!-- Verschiebungsformular (unverändert) -->
+            <div class="collapse" id="rescheduleForm">
+                <div class="card card-body bg-light mt-3 mx-auto" style="max-width: 90%;">
+                    <h5>Anderen Termin vorschlagen</h5>
+                    <form method="POST">
+                        <div class="mb-3">
+                            <label for="new_date" class="form-label">Neuer Termin:</label>
+                            <input type="datetime-local" class="form-control" id="new_date" name="new_date" value="<?= $row ? date('Y-m-d\TH:i', strtotime($row['meeting_date'])) : '' ?>" required>
+                        </div>
+                        <div class="mb-3">
+                            <label for="reason" class="form-label">Grund/Bemerkung:</label>
+                            <textarea class="form-control" id="reason" name="reason" rows="2" placeholder="Warum soll der Termin verschoben werden?"></textarea>
+                        </div>
+                        <div class="d-flex gap-2">
+                            <button type="submit" name="propose_reschedule" class="btn btn-sm btn-outline-primary">Vorschlag einreichen</button>
+                            <button type="button" class="btn btn-sm btn-outline-secondary" data-bs-toggle="collapse" data-bs-target="#rescheduleForm">Abbrechen</button>
+                        </div>
+                    </form>
+                </div>
+            </div>
             <div class="d-flex justify-content-center pt-2 pb-3" style="max-width: 500px; margin-left: auto; margin-right: auto; flex-direction: column; align-items: center;">
                 <?php if ($user_attendance_status === 'accepted'): ?>
                     <p class="text-success fw-bold mb-4">Du hast zugesagt!</p>
@@ -398,26 +414,7 @@ $german_weekdays = [
     <?php endif; ?>
 </div>
 
-<!-- Verschiebungsformular (unverändert) -->
-<div class="collapse" id="rescheduleForm">
-    <div class="card card-body bg-light mt-3 mx-auto" style="max-width: 500px;">
-        <h5>Anderen Termin vorschlagen</h5>
-        <form method="POST">
-            <div class="mb-3">
-                <label for="new_date" class="form-label">Neuer Termin:</label>
-                <input type="datetime-local" class="form-control" id="new_date" name="new_date" value="<?= $row ? date('Y-m-d\TH:i', strtotime($row['meeting_date'])) : '' ?>" required>
-            </div>
-            <div class="mb-3">
-                <label for="reason" class="form-label">Grund/Bemerkung:</label>
-                <textarea class="form-control" id="reason" name="reason" rows="2" placeholder="Warum soll der Termin verschoben werden?"></textarea>
-            </div>
-            <div class="d-flex gap-2">
-                <button type="submit" name="propose_reschedule" class="btn btn-sm btn-outline-primary">Vorschlag einreichen</button>
-                <button type="button" class="btn btn-sm btn-outline-secondary" data-bs-toggle="collapse" data-bs-target="#rescheduleForm">Abbrechen</button>
-            </div>
-        </form>
-    </div>
-</div>
+
 
 <script>
     document.addEventListener('DOMContentLoaded', function() {

profil.php

@@ -2,43 +2,65 @@
 require_once 'inc/check_login.php';
 require_once 'inc/db.php';
 
-// Variable zur Statusmeldung
 $message = '';
 $message_type = '';
 
-// Überprüfen, ob das Formular per POST gesendet wurde
+$user_id = (int)$_SESSION['user_id']; // Sicherheitshalber als Integer
+
+// Aktuelle Benutzerdaten laden
+$stmt_fetch = mysqli_prepare($conn, "SELECT username, email, role, birthday FROM users WHERE id = ?");
+mysqli_stmt_bind_param($stmt_fetch, "i", $user_id);
+mysqli_stmt_execute($stmt_fetch);
+$result = mysqli_stmt_get_result($stmt_fetch);
+$user_data = mysqli_fetch_assoc($result);
+mysqli_stmt_close($stmt_fetch);
+
+if (!$user_data) {
+    die("Benutzer nicht gefunden.");
+}
+
+$current_username = $user_data['username'];
+$current_email = $user_data['email'];
+$current_role = $user_data['role'];
+$current_birthday = $user_data['birthday'] ?? '';
+
 if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    $new_username = trim($_POST['username'] ?? '');
+    $new_email = trim($_POST['email'] ?? '');
+    $new_birthday = trim($_POST['birthday'] ?? '');
 
-    // Eingaben aus dem Formular holen
-    $new_username = $_POST['username'];
-    $new_email = $_POST['email'];
-    $user_id = $_SESSION['user_id'];
-
-    // Validierung der Eingaben
     if (empty($new_username)) {
         $message = "Benutzername darf nicht leer sein.";
         $message_type = 'danger';
     } else {
-        // Datenbank-Abfrage vorbereiten
-        $stmt = mysqli_prepare($conn, "UPDATE users SET username = ?, email = ? WHERE id = ?");
-
+        if (!empty($new_email) && !filter_var($new_email, FILTER_VALIDATE_EMAIL)) {
+            $message = "Ungültige E-Mail-Adresse.";
+            $message_type = 'danger';
+        } else {
+            $stmt = mysqli_prepare($conn, "UPDATE users SET username = ?, email = ?, birthday = ? WHERE id = ?");
             if ($stmt) {
-            // Parameter binden
-            mysqli_stmt_bind_param($stmt, "ssi", $new_username, $new_email, $user_id);
-
-            // Statement ausführen
+                $db_email = (!empty($new_email)) ? $new_email : null;
+                $db_birthday = (!empty($new_birthday)) ? $new_birthday : null;
+                mysqli_stmt_bind_param($stmt, "sssi", $new_username, $db_email, $db_birthday, $user_id);
                 if (mysqli_stmt_execute($stmt)) {
-                // Session-Variablen aktualisieren
                     $_SESSION['username'] = $new_username;
                     $_SESSION['email'] = $new_email;
+
+                    $result_reload = mysqli_query($conn, "SELECT username, email, role, birthday FROM users WHERE id = " . (int)$user_id);
+                    if ($result_reload) {
+                        $user_data = mysqli_fetch_assoc($result_reload);
+                        $current_username = $user_data['username'];
+                        $current_email = $user_data['email'];
+                        $current_role = $user_data['role'];
+                        $current_birthday = $user_data['birthday'] ?? '';
+                    }
+
                     $message = "Profil erfolgreich aktualisiert!";
                     $message_type = 'success';
                 } else {
                     $message = "Fehler beim Speichern der Daten.";
                     $message_type = 'danger';
                 }
-
-            // Statement schließen
                 mysqli_stmt_close($stmt);
             } else {
                 $message = "Datenbankfehler: Statement konnte nicht vorbereitet werden.";
@@ -46,15 +68,12 @@ if ($_SERVER["REQUEST_METHOD"] == "POST") {
             }
         }
     }
-// Daten für die Anzeige aus der Session holen
-$current_username = $_SESSION['username'];
-$current_email = $_SESSION['email'];
-$current_role = $_SESSION['role'];
+}
 
-require_once 'inc/header.php'; ?>
+require_once 'inc/header.php';
+?>
 
 <div class="container mt-5">
-
     <div class="row justify-content-center">
         <div class="col-md-8 col-lg-6">
             <h2 class="mb-4">Benutzerverwaltung</h2>
@@ -64,8 +83,8 @@ require_once 'inc/header.php'; ?>
                 </div>
                 <div class="card-body">
                     <?php if ($message): ?>
-                        <div id="status-message" class="alert alert-<?php echo $message_type; ?> alert-dismissible fade show" role="alert">
-                            <?php echo htmlspecialchars($message); ?>
+                        <div id="status-message" 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>
                         </div>
                     <?php endif; ?>
@@ -73,15 +92,20 @@ require_once 'inc/header.php'; ?>
                     <form action="" method="post">
                         <div class="mb-3">
                             <label for="username" class="form-label fw-bold">Benutzername</label>
-                            <input type="text" class="form-control" id="username" name="username" value="<?php echo htmlspecialchars($current_username); ?>" required>
+                            <input type="text" class="form-control" id="username" name="username" value="<?= htmlspecialchars($current_username) ?>" required>
                         </div>
                         <div class="mb-3">
                             <label for="email" class="form-label fw-bold">E-Mail-Adresse</label>
-                            <input type="email" class="form-control" id="email" name="email" value="<?php echo htmlspecialchars($current_email); ?>">
+                            <input type="email" class="form-control" id="email" name="email" value="<?= htmlspecialchars($current_email) ?>">
+                        </div>
+                        <div class="mb-3">
+                            <label for="birthday" class="form-label fw-bold">Geburtstag</label>
+                            <input type="date" class="form-control" id="birthday" name="birthday" value="<?= htmlspecialchars($current_birthday) ?>">
+                            <small class="form-text text-muted">Für automatische Sonderzahlung.</small>
                         </div>
                         <div class="mb-3">
                             <label for="role" class="form-label fw-bold">Rolle</label>
-                            <input type="text" class="form-control" id="role" name="role" value="<?php echo htmlspecialchars($current_role); ?>" disabled readonly>
+                            <input type="text" class="form-control" id="role" name="role" value="<?= htmlspecialchars($current_role) ?>" disabled readonly>
                         </div>
 
                         <div class="d-flex justify-content-between align-items-center mt-3">