diff --git a/WEBROOT/services/zeiterfassung.php b/WEBROOT/services/zeiterfassung.php
index b8ec170..478d257 100644
--- a/WEBROOT/services/zeiterfassung.php
+++ b/WEBROOT/services/zeiterfassung.php
@@ -12,59 +12,23 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['add_overtime'])) {
     $conn->query($insert_sql);
 }
 
-// --- Daten laden ---
-$daten = [];
-$sql = "SELECT `DATUM`, `PROZESS_1`, `PROZESS_2`, `PROZESS_3`, `PROZESS_4`, `BEGINN`, `ENDE_REAL`, `OVERTIME` FROM Firmenberichte ORDER BY `DATUM` DESC";
-if ($erg = $conn->query($sql)) {
-    while ($datensatz = $erg->fetch_object()) { $daten[] = $datensatz; }
-    $erg->free();
-}
-
 // --- Gesamtsumme berechnen ---
 $minuten_berichte = 0;
 $res1 = $conn->query("SELECT SUM(OVERTIME) AS summe FROM Firmenberichte");
 if ($row = $res1->fetch_object()) { $minuten_berichte = intval($row->summe); }
 
-$minuten_extra = 0;
-$res2 = $conn->query("SELECT SUM(MINUTEN) AS summe FROM Ueberstunden");
-if ($row = $res2->fetch_object()) { $minuten_extra = intval($row->summe); }
+$minuten_abbau = 0;
+$res2 = $conn->query("SELECT SUM(MINUTEN) AS summe FROM Ueberstunden WHERE GRUND = 'Abbau'");
+if ($row = $res2->fetch_object()) { $minuten_abbau = intval($row->summe); }
 
-$gesamt_minuten = $minuten_berichte - $minuten_extra;
+$minuten_aufbau = 0;
+$res2 = $conn->query("SELECT SUM(MINUTEN) AS summe FROM Ueberstunden WHERE GRUND = 'Aufbau'");
+if ($row = $res2->fetch_object()) { $minuten_aufbau = intval($row->summe); }
+
+$gesamt_minuten = $minuten_berichte - $minuten_abbau + $minuten_aufbau;
 ?>
 
 <div class="arbeitsberichte-wrapper">
-    <div style="display: flex; gap: 10px; margin-bottom: 25px;">
-        <a href="?service=<?= $selectedService ?>&view=rechner" style="text-decoration:none;">
-            <button class="nav-btn <?= $view == 'rechner' ? 'active' : '' ?>" style="padding: 10px 20px; cursor: pointer; border: none; border-radius: 4px; font-weight: bold; 
-                        background: <?= $view == 'rechner' ? '#007bff' : 'rgba(150,150,150,0.2)' ?>; 
-                        color: <?= $view == 'rechner' ? '#fff' : '#fff' ?>;">
-                Live-Timer
-            </button>
-        </a>
-        <a href="?service=<?= $selectedService ?>&view=show" style="text-decoration:none;">
-            <button class="nav-btn <?= $view == 'show' ? 'active' : '' ?>" style="padding: 10px 20px; cursor: pointer; border: none; border-radius: 4px; font-weight: bold; 
-                        background: <?= $view == 'show' ? '#007bff' : 'rgba(150,150,150,0.2)' ?>; 
-                        color: <?= $view == 'show' ? '#fff' : '#fff' ?>;">
-                Übersicht
-            </button>
-        </a>
-    </div>
-
-    <?php if ($view === 'rechner'): ?>
-    <div class="overtime-container" style="color: inherit;">
-        <h2 style="color: inherit;">Überstunden Rechner</h2>
-        <label for="startTime">Arbeitsstartzeit:</label>
-        <input type="time" id="startTime" step="60"
-            style="background: rgba(150,150,150,0.1); color: inherit; border: 1px solid #555;">
-        <button id="startBtn">Timer starten</button>
-
-        <div id="resultBox" class="overtime-result">
-            <p style="margin:0; font-size: 0.9rem;">Überstunden / Restzeit:</p>
-            <div id="result">0:00</div>
-        </div>
-    </div>
-
-    <?php else: ?>
     <div
         style="background: rgba(150,150,150,0.05); padding: 25px; border-radius: 10px; margin-bottom: 25px; border: 1px solid rgba(150,150,150,0.2); border-left: 6px solid #007bff;">
         <div style="margin-bottom: 20px;">
@@ -87,10 +51,15 @@ $gesamt_minuten = $minuten_berichte - $minuten_extra;
                 <input type="number" name="ot_minutes" placeholder="480" required
                     style="width: 100px; padding: 8px; border: 1px solid rgba(150,150,150,0.3); border-radius: 4px; background: rgba(150,150,150,0.1); color: inherit;">
             </div>
-            <div style="display: flex; flex-direction: column; gap: 5px; flex-grow: 1;">
+            <div class="form-group">
                 <label style="font-size: 0.85rem; font-weight: 600; color: inherit;">Grund</label>
-                <input type="text" name="ot_reason" placeholder="z.B. Abbau" required
-                    style="padding: 8px; border: 1px solid rgba(150,150,150,0.3); border-radius: 4px; background: rgba(150,150,150,0.1); color: inherit;">
+
+                <select name="ot_reason" required>
+
+                    <option value="">Bitte wählen</option>
+                    <option value="Abbau">Abbau</option>
+                    <option value="Aufbau">Aufbau</option>
+                </select>
             </div>
             <button type="submit"
                 style="background: #007bff; color: white; border: none; padding: 10px 20px; border-radius: 4px; font-weight: bold; cursor: pointer;">
@@ -99,65 +68,4 @@ $gesamt_minuten = $minuten_berichte - $minuten_extra;
         </form>
         <?php endif ?>
     </div>
-
-    <!-- <table style="width: 100%; border-collapse: collapse; color: inherit;">
-        <thead>
-            <tr style="background: rgba(0,123,255,0.15); text-align: left;">
-                <th style="padding: 12px; border-bottom: 2px solid #007bff;">Datum</th>
-                <th style="padding: 12px; border-bottom: 2px solid #007bff;">Prozesse</th>
-                <th style="padding: 12px; border-bottom: 2px solid #007bff;">Zeitraum</th>
-                <th style="padding: 12px; border-bottom: 2px solid #007bff;">Overtime</th>
-            </tr>
-        </thead>
-        <tbody>
-            <?php foreach ($daten as $b): ?>
-            <tr style="border-bottom: 1px solid rgba(150,150,150,0.2); vertical-align: top;">
-                <td style="padding: 12px; white-space: nowrap;"><?= htmlspecialchars($b->DATUM) ?></td>
-                <td style="padding: 12px;">
-                    <div style="display: flex; flex-direction: column; gap: 3px; font-size: 0.85rem; opacity: 0.8;">
-                        <?php for($i=1; $i<=4; $i++): $p = "PROZESS_$i"; ?>
-                        <?php if(!empty($b->$p)): ?> <span>• <?= htmlspecialchars($b->$p) ?></span> <?php endif; ?>
-                        <?php endfor; ?>
-                    </div>
-                </td>
-                <td style="padding: 12px; font-size: 0.9rem; white-space: nowrap;"><?= $b->BEGINN ?> -
-                    <?= $b->ENDE_REAL ?></td>
-                <td style="padding: 12px; font-weight: bold; color: <?= $b->OVERTIME >= 0 ? '#28a745' : '#dc3545' ?>;">
-                    <?= $b->OVERTIME ?> min
-                </td>
-            </tr>
-            <?php endforeach; ?>
-        </tbody>
-    </table> -->
-    <?php endif; ?>
-</div>
-
-<script>
-// Live-Rechner Logik
-if (document.getElementById('startBtn')) {
-    document.getElementById('startBtn').addEventListener('click', function() {
-        const startTimeInput = document.getElementById('startTime').value;
-        if (!startTimeInput) return;
-        const [hours, minutes] = startTimeInput.split(':').map(Number);
-        let startDate = new Date();
-        startDate.setHours(hours, minutes, 0);
-        const targetWorkMs = 8.5 * 60 * 60 * 1000;
-        const resultEl = document.getElementById('result');
-        const resultBox = document.getElementById('resultBox');
-
-        setInterval(() => {
-            const diffMs = (new Date() - startDate) - targetWorkMs;
-            const negative = diffMs < 0;
-            const absMs = Math.abs(diffMs);
-            const h = Math.floor(absMs / 3600000);
-            const m = Math.floor((absMs % 3600000) / 60000);
-            resultEl.innerText = (negative ? '-' : '+') + h + ":" + (m < 10 ? '0' : '') + m;
-            if (negative) {
-                resultBox.classList.add('negative');
-            } else {
-                resultBox.classList.remove('negative');
-            }
-        }, 1000);
-    });
-}
-</script>
\ No newline at end of file
+</div>
\ No newline at end of file
diff --git a/WEBROOT/style.css b/WEBROOT/style.css
index 062dc7c..e2e8a2c 100644
--- a/WEBROOT/style.css
+++ b/WEBROOT/style.css
@@ -1043,4 +1043,31 @@ body.dark-mode .db-table tr:nth-child(even) {
 body.dark-mode .sidebar::-webkit-scrollbar-thumb,
 body.dark-mode .content::-webkit-scrollbar-thumb {
     background: #444;
+}
+
+.form-group {
+    display: flex;
+    flex-direction: column;
+    gap: 5px;
+    flex-grow: 1;
+}
+
+.form-group label {
+    font-size: 0.85rem;
+    font-weight: 600;
+    color: var(--text);
+}
+
+/* Optional: schöner Dropdown Pfeil */
+select {
+    appearance: none;
+    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg fill='%23666' height='20' viewBox='0 0 20 20' width='20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 7l5 5 5-5z'/%3E%3C/svg%3E");
+    background-repeat: no-repeat;
+    background-position: right 10px center;
+    background-size: 16px;
+}
+
+/* Dark Mode Pfeil */
+body.dark-mode select {
+    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg fill='%23ccc' height='20' viewBox='0 0 20 20' width='20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5 7l5 5 5-5z'/%3E%3C/svg%3E");
 }
\ No newline at end of file