diff --git a/Abrechnung/module.php b/Abrechnung/module.php
index 4ab5444..db45ecf 100644
--- a/Abrechnung/module.php
+++ b/Abrechnung/module.php
@@ -277,9 +277,8 @@ private function AddMeterToPDFRow($meter, $tariffs, $from, $to, $type)
         return ['row' => '', 'value' => 0];
     }
 
-    // 🧩 Einheitstyp tolerant abgleichen
-    $filteredTariffs = [];
-    foreach ($tariffs as $t) {
+    // --- Relevante Tarife nach Typ filtern ---
+    $filteredTariffs = array_filter($tariffs, function ($t) use ($type) {
         $tariffType = strtolower(trim($t['unit_type'] ?? ''));
         $typeNorm = strtolower(trim($type));
 
@@ -289,121 +288,93 @@ private function AddMeterToPDFRow($meter, $tariffs, $from, $to, $type)
             'kaltwasser' => ['kaltwasser', 'wasser', 'kww'],
             'wärme'      => ['wärme', 'heizung', 'heat']
         ];
-
-        if (in_array($tariffType, $map[$typeNorm] ?? []) || $tariffType == $typeNorm) {
-            $filteredTariffs[] = $t;
-        }
-    }
-
-    IPS_LogMessage('Abrechnung', "🔍 Suche Tarife für Typ '$type': gefunden " . count($filteredTariffs) . " Treffer");
-    foreach ($filteredTariffs as $t) {
-        IPS_LogMessage('Abrechnung', "   Tarif '{$t['unit_type']}' von " . json_encode($t['start']) . " bis " . json_encode($t['end']) . " | {$t['price']} Rp");
-    }
+        return in_array($tariffType, $map[$typeNorm] ?? []) || $tariffType === $typeNorm;
+    });
 
     if (empty($filteredTariffs)) {
         IPS_LogMessage('Abrechnung', "⚠ Keine passenden Tarife für $type gefunden");
         return ['row' => '', 'value' => 0];
     }
 
-    // 🔹 Datumsfelder sicher umwandeln
+    // --- Tarife sicher in Zeiträume umwandeln ---
     foreach ($filteredTariffs as &$t) {
-        if (is_array($t['start'])) {
-            $t['start_ts'] = mktime(0, 0, 0, $t['start']['month'], $t['start']['day'], $t['start']['year']);
-        } else {
-            $t['start_ts'] = strtotime($t['start'] . ' 00:00:00');
-        }
-
-        if (is_array($t['end'])) {
-            $t['end_ts'] = mktime(23, 59, 59, $t['end']['month'], $t['end']['day'], $t['end']['year']);
-        } else {
-            $t['end_ts'] = strtotime($t['end'] . ' 23:59:59');
-        }
-
-        if ($t['start_ts'] === false || $t['end_ts'] === false) {
-            IPS_LogMessage('Abrechnung', "❌ Ungültiges Tarifdatum nach Umwandlung: " . json_encode($t));
-        } else {
-            IPS_LogMessage('Abrechnung', "✅ Tarifzeitraum erkannt: " . date('d.m.Y', $t['start_ts']) . " - " . date('d.m.Y', $t['end_ts']));
+        $t['start_ts'] = is_numeric($t['start']) ? intval($t['start']) : strtotime($t['start']);
+        $t['end_ts']   = is_numeric($t['end'])   ? intval($t['end'])   : strtotime($t['end']);
+        if (!$t['start_ts'] || !$t['end_ts']) {
+            IPS_LogMessage('Abrechnung', "⚠ Ungültiger Tarifzeitraum: " . json_encode($t));
+            continue;
         }
     }
     unset($t);
 
-    // Nach Startzeit sortieren
+    // Sortiere Tarife nach Startzeit
     usort($filteredTariffs, fn($a, $b) => $a['start_ts'] <=> $b['start_ts']);
 
     $current = $from;
 
     while ($current < $to) {
-        $activeTariff = null;
-        $segmentStart = $current;
-        $segmentEnd = $to;
-
-        // --- passenden Tarif finden (einfach & robust) ---
+        // Finde aktiven Tarif für diesen Zeitpunkt
         $activeTariff = null;
         foreach ($filteredTariffs as $t) {
-            if ($t['start_ts'] <= $segmentStart && $segmentStart <= $t['end_ts']) {
+            if ($t['start_ts'] <= $current && $current <= $t['end_ts']) {
                 $activeTariff = $t;
                 break;
             }
         }
 
-        if ($activeTariff) {
-            // Tarif aktiv: Segment geht bis Tarifende oder Rechnungsende
-            $segmentEnd = min($activeTariff['end_ts'], $to);
-            $tariffPrice = floatval($activeTariff['price']);
-            $tariffLabel = number_format($tariffPrice, 2);
-        } else {
-            // Kein Tarif aktiv: bis zum nächsten Tarifstart (oder Rechnungsende) mit 0 Rp
+        // Wenn kein aktiver Tarif, nimm nächsten oder rechne 0 Rp
+        if (!$activeTariff) {
             $nextStart = $to;
             foreach ($filteredTariffs as $t) {
-                if ($t['start_ts'] > $segmentStart && $t['start_ts'] < $nextStart) {
+                if ($t['start_ts'] > $current && $t['start_ts'] < $nextStart) {
                     $nextStart = $t['start_ts'];
                 }
             }
             $segmentEnd = min($nextStart, $to);
             $tariffPrice = 0.0;
             $tariffLabel = 'kein Tarif';
+        } else {
+            $segmentEnd = min($activeTariff['end_ts'], $to);
+            $tariffPrice = floatval($activeTariff['price']);
+            $tariffLabel = number_format($tariffPrice, 2);
         }
 
-
-        // Archivwerte lesen
-        $startVal = $this->GetValueAt($varId, $segmentStart, true);
+        // --- Verbrauch für diesen Zeitraum ---
+        $startVal = $this->GetValueAt($varId, $current, true);
         $endVal   = $this->GetValueAt($varId, $segmentEnd, true);
-
         if ($startVal === null || $endVal === null) {
-            IPS_LogMessage('Abrechnung', "⚠ Keine Archivwerte für {$meter['name']} ($type) im Zeitraum " . date('d.m.Y H:i', $segmentStart) . " - " . date('d.m.Y H:i', $segmentEnd));
+            IPS_LogMessage('Abrechnung', "⚠ Keine Werte für {$meter['name']} im Zeitraum " . date('d.m.Y H:i', $current) . " - " . date('d.m.Y H:i', $segmentEnd));
             $current = $segmentEnd + 1;
             continue;
         }
 
         $diff = max(0, $endVal - $startVal);
-        $costCHF = ($tariffPrice / 100) * $diff;
-
-        IPS_LogMessage('Abrechnung', "→ {$meter['name']} ($type): " . date('d.m.Y H:i', $segmentStart) . " bis " . date('d.m.Y H:i', $segmentEnd) . " | Tarif {$tariffLabel} Rp | Verbrauch {$diff}");
+        $costCHF = round(($tariffPrice / 100) * $diff, 2);
+        $totalCost += $costCHF;
 
+        // --- Ausgabezeile ---
         $rows .= "
         <tr>
             <td>{$meter['name']}</td>
             <td>$type</td>
-            <td>" . date('d.m.Y H:i', $segmentStart) . "</td>
+            <td>" . date('d.m.Y H:i', $current) . "</td>
             <td>" . date('d.m.Y H:i', $segmentEnd) . "</td>
             <td>" . number_format($startVal, 2) . "</td>
             <td>" . number_format($endVal, 2) . "</td>
             <td>" . number_format($diff, 2) . "</td>
-            <td>" . number_format($tariffPrice, 2) . "</td>
+            <td>" . $tariffLabel . "</td>
             <td>" . number_format($costCHF, 2) . "</td>
         </tr>";
 
-        $totalCost += $costCHF;
         $current = $segmentEnd + 1;
     }
 
-    // Fallback, falls keine Zeile entstand
+    // --- Falls nichts berechnet wurde (z. B. fehlende Tarife) ---
     if ($rows == '') {
         $startVal = $this->GetValueAt($varId, $from, false);
         $endVal   = $this->GetValueAt($varId, $to, true);
-        $diff     = max(0, $endVal - $startVal);
-
-        $rows .= "
+        $diff = max(0, $endVal - $startVal);
+        $rows = "
         <tr>
             <td>{$meter['name']}</td>
             <td>$type</td>