diff --git a/Abrechnung/module.php b/Abrechnung/module.php
index afb0b6a..7394b7a 100644
--- a/Abrechnung/module.php
+++ b/Abrechnung/module.php
@@ -399,26 +399,64 @@ class Abrechnung extends IPSModule
     }
 private function GetCalculatedPowerCosts($userId)
 {
-    // Inline-styles + TCPDF-kompatible Struktur
     $html = "
-    <table width='100%' cellpadding='4' cellspacing='0' style='font-size:10px; border-collapse: collapse;'>
+        <style>
+            table.powercost {
+                width: 100%;
+                border-collapse: collapse;
+                font-size: 10px;
+            }
+            table.powercost th {
+                background-color: #444;
+                color: white;
+                padding: 4px;
+                text-align: center;
+                font-weight: bold;
+                border: 1px solid #777;
+            }
+            table.powercost td {
+                padding: 3px 4px;
+                border: 1px solid #ccc;
+            }
+            .row-even { background-color: #f7f7f7; }
+            .row-odd  { background-color: #ffffff; }
+            .row-empty { background-color: #e0e0e0; height: 5px; }
+
+            /* Neue Formatierungen */
+            .num {
+                text-align: right;
+                font-family: monospace;
+                width: 90px;
+            }
+            .subtotal-row {
+                border-top: 1px solid black;
+                font-weight: bold;
+            }
+            .total-row {
+                border-top: 3px double black;
+                font-weight: bold;
+                background-color: #ddd;
+            }
+        </style>
+
+        <table class='powercost'>
         <tr>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:left;'>ID</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Import (kWh)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Export (kWh)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>ZEV-Haus (kWh)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Netz-Haus (kWh)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Solar-Netz (kWh)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Solar-ZEV (kWh)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Kauf Solar (CHF)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Kauf Netz (CHF)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Verkauf Netz (CHF)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Verkauf ZEV (CHF)</th>
-            <th style='background-color:#444; color:#fff; padding:6px; border:1px solid #777; text-align:right;'>Total CHF</th>
+            <th>ID</th>
+            <th>Import (kWh)</th>
+            <th>Export (kWh)</th>
+            <th>ZEV-Haus (kWh)</th>
+            <th>Netz-Haus (kWh)</th>
+            <th>Solar-Netz (kWh)</th>
+            <th>Solar-ZEV (kWh)</th>
+            <th>Kauf Solar (CHF)</th>
+            <th>Kauf Netz (CHF)</th>
+            <th>Verkauf Netz (CHF)</th>
+            <th>Verkauf ZEV (CHF)</th>
+            <th>Total CHF</th>
         </tr>";
 
     if (empty($this->powerCostCache) || !isset($this->powerCostCache[$userId])) {
-        $html .= "<tr><td colspan='12' align='center' style='padding:10px;'>Keine Stromzähler für diesen Benutzer</td></tr></table>";
+        $html .= "<tr><td colspan='12' align='center'>Keine Stromzähler für diesen Benutzer</td></tr></table>";
         return ['html' => $html, 'sum' => 0.0];
     }
 
@@ -430,94 +468,45 @@ private function GetCalculatedPowerCosts($userId)
         $subtotal = $a['cost_grid'] + $a['cost_solar'] - ($a['rev_feedin'] + $a['rev_zev']);
         $sum += $subtotal;
 
-        // Alternierende Hintergrundfarbe (einfach über inline style)
-        $bg = ($rowIndex % 2 === 0) ? '#f7f7f7' : '#ffffff';
+        $rowClass = ($rowIndex % 2 === 0) ? "row-even" : "row-odd";
         $rowIndex++;
 
-        // Funktion zum formatieren mit monospace-alignment (Breite anpassen falls nötig)
-        $fmtKwh = function($v) { return number_format($v, 3, '.', "'"); }; // Tausendertrenner ' optional
-        $fmtChf = function($v) { return number_format($v, 2, '.', "'"); };
-
-        $html .= "<tr style='background-color:{$bg};'>
-            <td style='border:1px solid #ccc; padding:6px; vertical-align:top;'>{$a['name']}</td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtKwh($a['imp']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtKwh($a['exp']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtKwh($a['solar_bezug']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtKwh($a['netz_bezug']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtKwh($a['solareinspeisung']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtKwh($a['solarverkauf']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtChf($a['cost_solar']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtChf($a['cost_grid']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtChf($a['rev_feedin']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtChf($a['rev_zev']) . "</span>
-            </td>
-
-            <td style='border:1px solid #ccc; padding:6px; text-align:right; vertical-align:top;'>
-                <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . $fmtChf($subtotal) . "</span>
-            </td>
+        // Datenzeile
+        $html .= "<tr class='{$rowClass}'>
+            <td>{$a['name']}</td>
+            <td class='num'>" . number_format($a['imp'], 3) . "</td>
+            <td class='num'>" . number_format($a['exp'], 3) . "</td>
+            <td class='num'>" . number_format($a['solar_bezug'], 3) . "</td>
+            <td class='num'>" . number_format($a['netz_bezug'], 3) . "</td>
+            <td class='num'>" . number_format($a['solareinspeisung'], 3) . "</td>
+            <td class='num'>" . number_format($a['solarverkauf'], 3) . "</td>
+            <td class='num'>" . number_format($a['cost_solar'], 2) . "</td>
+            <td class='num'>" . number_format($a['cost_grid'], 2) . "</td>
+            <td class='num'>" . number_format($a['rev_feedin'], 2) . "</td>
+            <td class='num'>" . number_format($a['rev_zev'], 2) . "</td>
+            <td class='num'>" . number_format($subtotal, 2) . "</td>
         </tr>";
 
-        // Leerzeile zwischen Zählern (leichter grauer Hintergrund)
-        $html .= "<tr><td colspan='12' style='background-color:#e9e9e9; height:8px; padding:0; border:none;'></td></tr>";
+        // Leerzeile
+        $html .= "<tr class='row-empty'><td colspan='12'></td></tr>";
     }
 
-    // Subtotal - einzeilige obere Linie (in gleicher Spalte wie subtotal)
+    // Gesamttotal
     $html .= "
-    <tr>
-        <td colspan='11' style='text-align:right; padding:6px; border-top:1px solid #000; font-weight:bold;'>Subtotal</td>
-        <td style='text-align:right; padding:6px; border-top:1px solid #000; font-weight:bold;'>
-            <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . number_format($sum, 2, '.', "'") . "</span>
-        </td>
-    </tr>";
-
-    // Doppel-Linie: wir fügen eine sehr dünne Linie und direkt darunter eine dickere Linie ein,
-    // da 'double' nicht immer zuverlässig in TCPDF gerendert wird.
-    $html .= "
-    <tr>
-        <td colspan='12' style='padding:0; border:none;'>
-            <div style='height:4px; border-top:1px solid #000;'></div>
-            <div style='height:4px; border-top:3px solid #000; margin-top:-3px;'></div>
-        </td>
-    </tr>";
-
-    // Gesamttotal-Zeile (gleich Spalte wie Subtotal)
-    $html .= "
-    <tr>
-        <td colspan='11' style='text-align:right; padding:6px; font-weight:bold;'>Gesamttotal</td>
-        <td style='text-align:right; padding:6px; font-weight:bold;'>
-            <span style='font-family:Courier, monospace; display:inline-block; min-width:90px;'>" . number_format($sum, 2, '.', "'") . "</span>
-        </td>
-    </tr>
-    </table>";
+        <tr class='total-row'>
+            <td colspan='11' align='right'><b>Total</b></td>
+                <td align='right'></td>
+                <td align='right'></td>
+                <td align='right'></td>
+                <td align='right'></td>
+                <td align='right'></td>
+                <td align='right'></td>
+                <td align='right'></td>
+                <td align='right'></td>
+                <td align='right'></td>
+            <td class='num'><b>" . number_format($sum, 2) . "</b></td>
+        </tr>
+        </table>";
 
     return ['html' => $html, 'sum' => $sum];
 }