diff --git a/app.css b/app.css
index 20fd0c6..0f8f5be 100644
--- a/app.css
+++ b/app.css
@@ -116,6 +116,12 @@ body {
     color: #f0f0f0;
 }
 .btn-large { padding: 22px; font-size: 18px; }
+.btn-danger {
+    background: #d9534f;
+    color: #fff;
+    margin-top: 24px;
+}
+.btn-danger:active { background: #c9302c; }
 
 .hidden-input { display: none; }
 
diff --git a/app.js b/app.js
index 8b49265..7bd8b55 100644
--- a/app.js
+++ b/app.js
@@ -744,6 +744,7 @@ router.on('/reports/:id', async (args) => {
             ${hasPages ? '<button class="btn btn-secondary" id="btn-view-pdf">👁 PDF-Vorschau</button>' : ''}
             <button class="btn btn-secondary" id="btn-signature">✍️ Kunden-Unterschrift hinzufügen</button>
             <button class="btn btn-secondary" id="btn-open-editor">✏️ Im Desktop-Editor öffnen</button>
+            <button class="btn btn-danger" id="btn-delete-report">Bericht löschen</button>
         `;
 
         loadThumbs();
@@ -783,6 +784,38 @@ router.on('/reports/:id', async (args) => {
         document.getElementById('btn-open-editor').onclick = () => {
             window.open(window.location.origin + '/custom/bericht/bericht_card.php?berichtid=' + args.id, '_blank');
         };
+
+        document.getElementById('btn-delete-report').onclick = () => {
+            const modal = document.createElement('div');
+            modal.className = 'fullscreen-modal';
+            modal.innerHTML = `
+                <div class="modal-header">
+                    <h2>Bericht löschen</h2>
+                    <button class="close-btn" id="dr-cancel">&times;</button>
+                </div>
+                <div class="modal-body" style="padding:20px;text-align:center;">
+                    <p style="font-size:16px;margin:16px 0;">Bericht <strong>${escapeHtml(data.report.ref)}</strong> mit ${data.pages.length} Seite${data.pages.length === 1 ? '' : 'n'} wirklich löschen?</p>
+                    <p style="opacity:0.6;font-size:13px;">Alle Seiten und Annotationen werden unwiderruflich entfernt.</p>
+                    <div style="display:flex;gap:12px;justify-content:center;margin-top:24px;">
+                        <button class="btn btn-secondary" id="dr-no">Abbrechen</button>
+                        <button class="btn btn-danger" id="dr-yes">Endgültig löschen</button>
+                    </div>
+                </div>
+            `;
+            document.body.appendChild(modal);
+            modal.querySelector('#dr-cancel').onclick = () => modal.remove();
+            modal.querySelector('#dr-no').onclick = () => modal.remove();
+            modal.querySelector('#dr-yes').onclick = async () => {
+                try {
+                    await api.deleteReport(args.id);
+                    modal.remove();
+                    showToast('Bericht gelöscht');
+                    router.go('#/reports');
+                } catch (e) {
+                    showToast('Fehler: ' + e.message, 'error');
+                }
+            };
+        };
     } catch (e) {
         main().innerHTML = '<div class="empty-state"><div class="icon">⚠️</div>' + e.message + '</div>';
     }
diff --git a/lib/api.js b/lib/api.js
index 6097391..660f474 100644
--- a/lib/api.js
+++ b/lib/api.js
@@ -118,6 +118,10 @@
         return request('/reports.php?id=' + id + '&action=finalize', { method: 'POST' });
     }
 
+    async function deleteReport(id) {
+        return request('/reports.php?id=' + id, { method: 'DELETE' });
+    }
+
     async function deletePhoto(relpath) {
         return request('/delete_photo.php', {
             method: 'POST',
@@ -243,7 +247,7 @@
         login, logout,
         listOrders, getOrder, listOrderPhotos, uploadOrderPhoto,
         listCustomers, getCustomer,
-        getReport, listReports, createReport, listTemplates, listOdtTemplates, finalizeReport,
+        getReport, listReports, createReport, listTemplates, listOdtTemplates, finalizeReport, deleteReport,
         deletePhoto, uploadVoiceNote, transcribeAudio, uploadAnnotatedPhoto,
         listMaterials, addMaterial, deleteMaterial,
         getPhotoBlobUrl, clearPhotoCache,