diff --git a/locales/de.json b/locales/de.json
index b7f228d..c93dfff 100644
--- a/locales/de.json
+++ b/locales/de.json
@@ -53,7 +53,9 @@
     "upload": "Hochladen",
     "lock": "Sperren",
     "unlock": "Enrsperren",
-    "name": "Name"
+    "name": "Name",
+    "return": "Zurück",
+    "fileupload": "Hochladen"
   },
 
   "sidebar": {
@@ -115,7 +117,9 @@
   "patienteoverview": {
     "patienttitle": "Patientenübersicht",
     "newpatient": "Neuer Patient",
-    "nopatientfound": "Keine Patienten gefunden"
+    "nopatientfound": "Keine Patienten gefunden",
+    "closepatient": "Patient sperren ( inaktiv)",
+    "openpatient": "Patient entsperren (Aktiv)"
   },
 
   "openinvoices": {
diff --git a/locales/es.json b/locales/es.json
index df904fa..b66f952 100644
--- a/locales/es.json
+++ b/locales/es.json
@@ -45,15 +45,17 @@
     "create": "Creado",
     "change": "Modificado",
     "reset2": "Restablecer",
-    "edit": "editar",
+    "edit": "Editar",
     "selection": "Selección",
     "waiting": "Ya está esperando",
     "towaitingroom": "A la sala de espera",
     "overview": "Resumen",
-    "upload": "Cargar",
+    "upload": "Subir archivo",
     "lock": "bloquear",
     "unlock": "desbloquear",
-    "name": "Nombre"
+    "name": "Nombre",
+    "return": "Atrás",
+    "fileupload": "Cargar"
   },
 
   "sidebar": {
@@ -115,7 +117,9 @@
   "patienteoverview": {
     "patienttitle": "Resumen de pacientes",
     "newpatient": "Paciente nuevo",
-    "nopatientfound": "No se han encontrado pacientes."
+    "nopatientfound": "No se han encontrado pacientes.",
+    "closepatient": "Bloquear paciente (inactivo)",
+    "openpatient": "Desbloquear paciente (activo)"
   },
 
   "openinvoices": {
diff --git a/public/invoices/2026/invoice-2026-0042.pdf b/public/invoices/2026/invoice-2026-0042.pdf
new file mode 100644
index 0000000..08f843e
Binary files /dev/null and b/public/invoices/2026/invoice-2026-0042.pdf differ
diff --git a/views/open_services.ejs b/views/open_services.ejs
index e6c3ac3..a0ab756 100644
--- a/views/open_services.ejs
+++ b/views/open_services.ejs
@@ -30,7 +30,7 @@
           <!-- 🧾 RECHNUNG ERSTELLEN -->
           <form
             method="POST"
-            action="/patients/<%= r.patient_id %>/create-invoice"
+            action="/invoices/patients/<%= r.patient_id %>/create-invoice"
             class="invoice-form d-inline float-end ms-2"
           >
             <button class="btn btn-sm btn-success">
diff --git a/views/partials/patient_sidebar.ejs b/views/partials/patient_sidebar.ejs
index 769e1ea..be5813b 100644
--- a/views/partials/patient_sidebar.ejs
+++ b/views/partials/patient_sidebar.ejs
@@ -34,7 +34,7 @@
 
   <!-- ✅ Zurück -->
   <a href="<%= backUrl || '/patients' %>" class="nav-item">
-    <i class="bi bi-arrow-left-circle"></i> Zurück
+    <i class="bi bi-arrow-left-circle"></i> <%= t.global.return %>
   </a>
 
   <div style="margin:10px 0; border-top:1px solid rgba(255,255,255,0.12);"></div>
@@ -54,7 +54,7 @@
 
     <% if (isWaiting) { %>
       <div class="nav-item locked" style="opacity:0.75;">
-        <i class="bi bi-hourglass-split"></i> Wartet bereits
+        <i class="bi bi-hourglass-split"></i> <%= t.global.waiting %>
         <span style="margin-left:auto;"><i class="bi bi-check-circle-fill"></i></span>
       </div>
     <% } else { %>
@@ -65,14 +65,14 @@
           style="width:100%; border:none; background:transparent; text-align:left;"
           title="Patient ins Wartezimmer setzen"
         >
-          <i class="bi bi-door-open"></i> Ins Wartezimmer
+          <i class="bi bi-door-open"></i><%= t.global.towaitingroom %>
         </button>
       </form>
     <% } %>
 
   <% } else { %>
     <div class="nav-item locked" style="opacity:0.7;">
-      <i class="bi bi-door-open"></i> Ins Wartezimmer
+      <i class="bi bi-door-open"></i> <%= t.global.towaitingroom %>
       <span style="margin-left:auto;"><i class="bi bi-lock-fill"></i></span>
     </div>
   <% } %>
@@ -85,7 +85,7 @@
     class="nav-item <%= active === 'patient_edit' ? 'active' : '' %> <%= lockClass(canUsePatient) %>"
     title="<%= canUsePatient ? '' : 'Bitte zuerst einen Patienten auswählen' %>"
   >
-    <i class="bi bi-pencil-square"></i> Bearbeiten
+    <i class="bi bi-pencil-square"></i> <%= t.global.edit %>
     <% if (!canUsePatient) { %>
       <span style="margin-left:auto;"><i class="bi bi-lock-fill"></i></span>
     <% } %>
@@ -99,7 +99,7 @@
     class="nav-item <%= active === 'patient_dashboard' ? 'active' : '' %> <%= lockClass(canUsePatient) %>"
     title="<%= canUsePatient ? '' : 'Bitte zuerst einen Patienten auswählen' %>"
   >
-    <i class="bi bi-clipboard2-heart"></i> Übersicht
+    <i class="bi bi-clipboard2-heart"></i> <%= t.global.overview %>
     <% if (!canUsePatient) { %>
       <span style="margin-left:auto;"><i class="bi bi-lock-fill"></i></span>
     <% } %>
@@ -120,9 +120,9 @@
       title="<%= canUsePatient ? 'Status wechseln' : 'Bitte zuerst einen Patienten auswählen' %>"
     >
       <% if (isActive) { %>
-        <i class="bi bi-x-circle"></i> Patient sperren (Inaktiv)
+        <i class="bi bi-x-circle"></i>  <%= t.patienteoverview.closepatient %>
       <% } else { %>
-        <i class="bi bi-check-circle"></i> Patient aktivieren
+        <i class="bi bi-check-circle"></i> <%= t.patienteoverview.openpatient %>
       <% } %>
 
       <% if (!canUsePatient) { %>
@@ -135,7 +135,7 @@
   <div class="sidebar-upload <%= lockClass(canUsePatient) %>">
 
   <div style="font-weight: 600; margin: 10px 0 6px 0; color: #e5e7eb">
-    <i class="bi bi-paperclip"></i> Datei Upload
+    <i class="bi bi-paperclip"></i> <%= t.global.fileupload %>
   </div>
 
   <% if (canUsePatient) { %>
@@ -161,7 +161,7 @@
       class="btn btn-sm btn-outline-light w-100"
       <%= canUsePatient ? "" : "disabled" %>
     >
-      📎 Hochladen
+      📎 <%= t.global.upload %>
       <% if (!canUsePatient) { %>
         <span class="ms-2"><i class="bi bi-lock-fill"></i></span>
       <% } %>