diff --git a/db.sqlite3 b/db.sqlite3
index 0dd5e0e..fc8cef4 100644
Binary files a/db.sqlite3 and b/db.sqlite3 differ
diff --git a/sheets/templates/betriebskosten_list.html b/sheets/templates/betriebskosten_list.html
index 7d9ab68..423c42e 100644
--- a/sheets/templates/betriebskosten_list.html
+++ b/sheets/templates/betriebskosten_list.html
@@ -146,7 +146,7 @@
 <body>
 
     <a href="{% url 'clients_list' %}" class="btn btn-outline-primary">
-        &#8678; Go to Clients
+        &#8678; Zur Startseite
     </a>
 
     <h2>Betriebskosten</h2>
diff --git a/sheets/templates/clients_table.html b/sheets/templates/clients_table.html
index 4af89dc..19bfb89 100644
--- a/sheets/templates/clients_table.html
+++ b/sheets/templates/clients_table.html
@@ -33,13 +33,13 @@
             <option value="12" {% if interval_start_month == 12 %}selected{% endif %}>12</option>
         </select>
 
-        <button type="submit">Apply Interval</button>
+        <button type="submit">Intervall anwenden</button>
     </form>
 
 
     <!-- Year Filter -->
     <div class="year-filter">
-        <label for="year-select">Year:</label>
+        <label for="year-select">Jahr:</label>
         <select id="year-select" onchange="window.location.href='?year='+this.value">
             {% for year in available_years %}
                 <option value="{{ year }}" {% if year == current_year %}selected{% endif %}>
@@ -86,12 +86,12 @@
 
     <!-- Navigation Buttons -->
     <div class="navigation-buttons">
-         <a href="{% url 'table_one' %}" class="nav-button">Go to Helium Input</a>
-        <a href="{% url 'table_two' %}" class="nav-button">Go to Helium Output</a>
-        <a href="/admin/" class="nav-button admin-button">Go to Admin Panel</a>
+         <a href="{% url 'table_one' %}" class="nav-button">Heliumrückgabe</a>
+        <a href="{% url 'table_two' %}" class="nav-button">Heliumausgabe</a>
+        <a href="/admin/" class="nav-button admin-button">Admin</a>
         <a href="{% url 'betriebskosten_list' %}" class="nav-button">Betriebskosten</a>
 
-        <a href="{% url 'monthly_sheet' year=2024 month=1 %}" class="nav-button">Monthly Sheets</a>
+        <a href="{% url 'monthly_sheet' year=2024 month=1 %}" class="nav-button">Monatsbilanz</a>
         <a href="{% url 'halfyear_balance' %}" class="nav-button">Halbjahres Bilanz</a>
 
         <!-- ✅ NEW -->
diff --git a/sheets/templates/monthly_sheet.html b/sheets/templates/monthly_sheet.html
index cab20fd..fb2cc3f 100644
--- a/sheets/templates/monthly_sheet.html
+++ b/sheets/templates/monthly_sheet.html
@@ -4,27 +4,43 @@
 <div class="spreadsheet-container">
     <!-- Navigation Header -->
     <div class="sheet-navigation">
-    {# Previous month link #}
-    {% with pm=prev_month %}
-        {% if pm.year and pm.month %}
-            <a href="{% url 'monthly_sheet' pm.year pm.month %}">← Previous</a>
-        {% else %}
-            <span class="disabled-link">← Previous</span>
-        {% endif %}
-    {% endwith %}
+    <div class="nav-left">
+        <a href="{% url 'clients_list' %}" class="main-page-link">🏠 Hauptseite</a>
 
-    <h2>{{ year }} - {{ month_name }} (Sheet {{ month }}/6)</h2>
+        {% with pm=prev_month %}
+            {% if pm.year and pm.month %}
+                <a href="{% url 'monthly_sheet' pm.year pm.month %}">← Vorherigen Monat</a>
+            {% else %}
+                <span class="disabled-link">← Vorherigen Monat</span>
+            {% endif %}
+        {% endwith %}
+    </div>
 
-    {# Next month link #}
-    {% with nm=next_month %}
-        {% if nm.year and nm.month %}
-            <a href="{% url 'monthly_sheet' nm.year nm.month %}">Next →</a>
-        {% else %}
-            <span class="disabled-link">Next →</span>
-        {% endif %}
-    {% endwith %}
+    <div class="nav-center">
+        <h2>{{ year }} - {{ month_name }} (Sheet {{ month }}/6)</h2>
+    </div>
 
-    <a href="{% url 'summary_sheet' year month %}">Go to Summary</a>
+    <div class="nav-right">
+        {% with nm=next_month %}
+            {% if nm.year and nm.month %}
+                <a href="{% url 'monthly_sheet' nm.year nm.month %}">Nächsten Monat →</a>
+            {% else %}
+                <span class="disabled-link">Nächsten Monat →</span>
+            {% endif %}
+        {% endwith %}
+
+    
+
+        <div class="sheet-jump-box">
+            <label for="jump-year">Jahr:</label>
+            <input type="number" id="jump-year" min="2000" max="2100" value="{{ year }}">
+
+            <label for="jump-month">Monat:</label>
+            <input type="number" id="jump-month" min="1" max="12" value="{{ month }}">
+
+            <button type="button" id="jump-sheet-btn" class="btn btn-primary">Anwenden</button>
+        </div>
+    </div>
 </div>
     
     <!-- Top Tables Container -->
@@ -32,11 +48,11 @@
     <div class="top-tables">
         <!-- Left Table (18 rows × clients) -->
         <div class="table-container top-left-table">
-            <h3>Table 1: Top Left</h3>
+            <h3>Table 1: Oben Links</h3>
             <table class="spreadsheet-table">
                 <thead>
                     <tr>
-                        <th>Row Label</th>
+                        <th>Zeilenbezeichnung</th>
                         {% for header in top_left_headers %}
                             <th>{{ header }}</th>
                         {% endfor %}
@@ -129,11 +145,11 @@
         <!-- Right Table (24 rows × 6 clients) -->
         <!-- Update the top-right table section in monthly_sheet.html -->
         <div class="table-container top-right-table">
-            <h3>Table 2: Top Right</h3>
+            <h3>Table 2: Oben Rechts</h3>
             <table class="spreadsheet-table">
                 <thead>
                     <tr>
-                        <th>Row Label</th>
+                        <th>Zeilenbezeichnung</th>
                         {% for header in top_right_headers %}
                             <th>{{ header }}</th>
                         {% endfor %}
@@ -236,11 +252,11 @@
             </table>
         </div>
      <div class="table-container overall-summary-table">
-        <h3>Gesamtsumme (Top Left + Top Right)</h3>
+        <h3>Gesamtsumme (Oben Links+Rechts)</h3>
         <table class="spreadsheet-table">
             <thead>
                 <tr>
-                    <th>Row Label</th>
+                    <th>Zeilenbezeichnung</th>
                     <th>Σ</th>
                 </tr>
             </thead>
@@ -264,7 +280,7 @@
     <!-- Bottom Tables -->
     <div class="bottom-tables">
         <div class="table-container bottom-table-1">
-            <h3>Bottom Table 1 – Gasspeicher</h3>
+            <h3>Untere Tabelle 1 – Gasspeicher</h3>
 
            
 
@@ -373,7 +389,7 @@
 
         
         <div class="table-container bottom-table-2">
-            <h3>Bottom Table 2 – Verbraucherbestand L-He</h3>
+            <h3>Untere Tabelle 2 – Verbraucherbestand L-He</h3>
 
             <table class="spreadsheet-table">
                 <tbody>
@@ -450,7 +466,7 @@
         </div>
     
                 <div class="table-container bottom-table-3">
-            <h3>Bottom Table 3 – Bilanz</h3>
+            <h3>Untere Tabelle 3 – Bilanz</h3>
 
             <table class="spreadsheet-table">
                 <thead>
@@ -621,17 +637,7 @@
 
     </div>
     
-    <!-- Save Button -->
-    <div class="action-bar">
-        <button id="save-all-btn" class="btn btn-primary">Save All Cells</button>
-        <div id="save-status"></div>
-        <div class="legend">
-            <small>
-                <span style="background-color: #d1ecf1; padding: 2px 5px;">Saved cells</span>
-                <span style="background-color: #d4edda; padding: 2px 5px;">Calculated cells</span>
-            </small>
-        </div>
-    </div>
+   
 </div>
 
 <!-- Hidden form for cell data -->
@@ -645,16 +651,48 @@
     padding: 20px;
 }
 
+.nav-left,
+.nav-center,
+.nav-right {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+.nav-center h2 {
+    margin: 0;
+}
+
+.main-page-link {
+    font-weight: bold;
+    text-decoration: none;
+    color: #007bff;
+}
+
+.sheet-jump-box {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    margin-left: 10px;
+}
+
+.sheet-jump-box input {
+    width: 80px;
+    padding: 6px;
+}
 .sheet-navigation {
     display: flex;
     justify-content: space-between;
     align-items: center;
+    gap: 20px;
     margin-bottom: 20px;
     padding: 10px;
     background-color: #f8f9fa;
     border-radius: 5px;
+    flex-wrap: wrap;
 }
 
+
 .sheet-navigation h2 {
     margin: 0;
 }
@@ -821,6 +859,22 @@
 
 <script>
 $(document).ready(function() {
+    $('#jump-sheet-btn').on('click', function() {
+    const year = parseInt($('#jump-year').val(), 10);
+    const month = parseInt($('#jump-month').val(), 10);
+
+    if (isNaN(year) || isNaN(month)) {
+        alert('Bitte Jahr und Monat eingeben.');
+        return;
+    }
+
+    if (month < 1 || month > 12) {
+        alert('Monat muss zwischen 1 und 12 liegen.');
+        return;
+    }
+
+    window.location.href = '/sheet/' + year + '/' + month + '/';
+});
 
     // ---------- Helpers ----------
 
diff --git a/sheets/templates/table_one.html b/sheets/templates/table_one.html
index 3483a27..d6ffc4d 100644
--- a/sheets/templates/table_one.html
+++ b/sheets/templates/table_one.html
@@ -286,21 +286,21 @@
 
     <!-- This link should ONLY wrap the text below -->
     <a href="{% url 'clients_list' %}" class="btn btn-outline-primary">
-        &#8678; Go to Clients
+        &#8678; Zur Startseite
     </a>
 
     <!-- 6-Month overview card (OUTSIDE any <a>) -->
     <div class="overview-card">
-            <div class="overview-title">Helium Input – 6 Month Overview</div>
+            <div class="overview-title">Heliumrückgabe– Überblick über 6 Monate</div>
 
         {% if overview %}
             <div class="overview-subtitle">
-                Period:
+                Interval
                     <strong>
                         {{ overview.start_month }}/{{ overview.start_year }}
                         – {{ overview.end_month }}/{{ overview.end_year }}
                     </strong>
-                    (selected on the main page)
+                    (ausgewählt am Start Seite)
             </div>
 
             <table class="overview-table">
@@ -310,7 +310,7 @@
                         {% for g in overview.groups %}
                             <th>{{ g.label }}</th>
                         {% endfor %}
-                        <th>Month total</th>
+                        <th>Monat  total</th>
                     </tr>
                 </thead>
                 <tbody>
@@ -342,7 +342,7 @@
 
     <h2>Helium Input</h2>
     <div class="table-container">
-        <button class="add-row-btn" id="add-row-one">Add Row</button>
+        <button class="add-row-btn" id="add-row-one">Eingabe hinzufügen</button>
         <table id="table-one">
         <colgroup>
             <col style="width: 3%">  <!-- # -->
@@ -367,7 +367,7 @@
                 <th>#</th>
                 <th>ID</th>
                 <th>Institute</th>
-                <th>Client</th>
+                <th>Kunde</th>
                 <th>Druck</th>
                 <th>Reinheit</th>
                 <th>Druckkorrektur</th>
@@ -377,8 +377,8 @@
                 <th>L-He</th>
                 <th>L-He zus.</th>
                 <th>L-He ges.</th>
-                <th>Date</th>
-                <th>Month</th>
+                <th>Datum</th>
+                <th>Monat</th>
                 <th>Actions</th>
             </tr>
         </thead>
@@ -409,8 +409,8 @@
                         {% endif %}
                     </td>
                     <td class="actions">
-                        <button class="edit-btn-one">Edit</button>
-                        <button class="delete-btn-one">Delete</button>
+                        <button class="edit-btn-one">Bearbeiten</button>
+                        <button class="delete-btn-one">Löschen</button>
                     </td>
                 </tr>
             {% endfor %}
@@ -522,7 +522,7 @@
         <!-- Client Selection -->
         <label for="edit-client-id">Kunde:</label>
         <select id="edit-client-id" disabled>
-            <option value="">Select Institute first</option>
+            <option value="">Institut erstmal auswählen</option>
             {% for client in clients %}
                 <option value="{{ client.id }}" data-institute="{{ client.institute.id }}">{{ client.name }}</option>
             {% endfor %}
@@ -708,19 +708,19 @@
                 const instituteId = $('#add-institute-id').val();
                 
                 if (!instituteId) {
-                    alert('Please select an institute');
+                    alert('Institut erstmal auswählen');
                     return;
                 }
                 
                 if (!clientId) {
-                    alert('Please select a client');
+                    alert('Kunde erstmal auswählen');
                     return;
                 }
 
                 // Validate date first
                 let dateInput = $('#add-date').val();
                 if (!dateInput) {
-                    alert('Please select a date');
+                    alert('Datum erstmal auswählen');
                     return;
                 }
 
@@ -732,17 +732,17 @@
                 let gesFlaschInhalt = parseFloat($('#add-constant-300').val()) || 300.0;
                 
                 if (isNaN(pressure) || pressure < 0) {
-                    alert('Please enter a valid pressure value');
+                    alert('Bitte geben Sie einen gültigen Druckwert ein.');
                     return;
                 }
                 
                 if (isNaN(purity) || purity < 0 || purity > 100) {
-                    alert('Please enter a valid purity value (0-100)');
+                    alert('Bitte geben Sie einen gültigen Reinheitswert ein (0-100).');
                     return;
                 }
 
                 if (isNaN(druckkorrektur) || druckkorrektur < 0) {
-                    alert('Please enter a valid Druckkorrektur value');
+                    alert('Bitte geben Sie einen gültigen Druckkorrekturwert ein');
                     return;
                 }
 
@@ -875,12 +875,12 @@
                 const instituteId = $('#edit-institute-id').val();
                 
                 if (!instituteId) {
-                    alert('Please select an institute');
+                    alert('Institut erstmal auswählen');
                     return;
                 }
                 
                 if (!clientId) {
-                    alert('Please select a client');
+                    alert('Kunde erstmal auswählen');
                     return;
                 }
 
@@ -892,17 +892,17 @@
                 let gesFlaschInhalt = parseFloat($('#edit-constant-300').val()) || 300.0;
                 
                 if (isNaN(pressure) || pressure < 0) {
-                    alert('Please enter a valid pressure value');
+                    alert('Bitte geben Sie einen gültigen Druckwert ein.');
                     return;
                 }
                 
                 if (isNaN(purity) || purity < 0 || purity > 100) {
-                    alert('Please enter a valid purity value (0-100)');
+                    alert('Bitte geben Sie einen gültigen Reinheitswert ein (0-100).');
                     return;
                 }
 
                 if (isNaN(druckkorrektur) || druckkorrektur < 0) {
-                    alert('Please enter a valid Druckkorrektur value');
+                    alert('Bitte geben Sie einen gültigen Druckkorrekturwert ein');
                     return;
                 }
 
@@ -937,7 +937,7 @@
 
                 // Validate inputs
                 if (!formData.date) {
-                    alert('Please select a date');
+                    alert('Bitte wählen Sie ein Datum.');
                     return;
                 }
 
@@ -993,7 +993,7 @@
                         }
                     },
                     error: function () {
-                        alert('Failed to delete entry. Please try again.');
+                        alert('Eintrag konnte nicht gelöscht werden. Bitte versuchen Sie es erneut.');
                     }
                 });
             });
diff --git a/sheets/templates/table_two.html b/sheets/templates/table_two.html
index b7e0513..6f001ce 100644
--- a/sheets/templates/table_two.html
+++ b/sheets/templates/table_two.html
@@ -190,28 +190,28 @@
     <div class="d-flex justify-content-start mb-2">
         <!-- "Go to Clients" button at top-left -->
         <a href="{% url 'clients_list' %}" class="btn btn-outline-primary">
-            &#8678; Go to Clients
+            &#8678; Zur Startseite
         </a>
     </div>
 
     <h2>LHe Dewar Output</h2>
 
     <div class="table-container">
-        <button class="add-row-btn" id="add-row-two">Add Output</button>
+        <button class="add-row-btn" id="add-row-two">Eingabe hinzufügen</button>
         <table id="table-two">
         <thead>
             <tr>
                 <th>#</th>
                 <th>ID</th>
-                <th>Institute</th>
-                <th>Client</th>
-                <th>Date</th>
+                <th>Institut</th>
+                <th>Kunde</th>
+                <th>Datum</th>
                 <th>Warm</th>
-                <th>LHe Delivery</th>
+                <th>LHe Anlieferung</th>
                 <th>Vor</th>
                 <th>Nach</th>
-                <th>LHe Output</th>
-                <th>Notes</th>
+                <th>LHe Ausgabe</th>
+                <th>Notizen</th>
                 <th>Actions</th>
             </tr>
         </thead>
@@ -230,8 +230,8 @@
                 <td>{% if entry.lhe_output is not None %}{{ entry.lhe_output|floatformat:1 }}{% endif %}</td>
                 <td>{{ entry.notes }}</td>
                 <td class="actions">
-                    <button class="edit-btn-two">Edit</button>
-                    <button class="delete-btn-two">Delete</button>
+                    <button class="edit-btn-two">Bearbeiten</button>
+                    <button class="delete-btn-two">Löschen</button>
                 </td>
             </tr>
             {% endfor %}
@@ -245,24 +245,24 @@
     <h3>LHe Dewar Output</h3>
     
     <!-- Institute Selection -->
-    <label for="add-institute-id">Institute:</label>
+    <label for="add-institute-id">Institut:</label>
     <select id="add-institute-id">
-        <option value="">Select Institute</option>
+        <option value="">Institut auswählen</option>
         {% for institute in institutes %}
             <option value="{{ institute.id }}">{{ institute.name }}</option>
         {% endfor %}
     </select>
     
     <!-- Client Selection (will be populated based on institute) -->
-    <label for="add-client-id">Client:</label>
+    <label for="add-client-id">Kunde:</label>
     <select id="add-client-id" disabled>
-    <option value="">Select Institute first</option>
+    <option value="">Institut erstaml auswählen</option>
     {% for client in clients %}
         <option value="{{ client.id }}" data-institute="{{ client.institute.id }}">{{ client.name }}</option>
     {% endfor %}
     </select>
     
-    <label for="add-date">Date:</label>
+    <label for="add-date">Datum:</label>
     <input type="date" id="add-date">
     
     <!-- Changed from checkbox to number input -->
@@ -273,7 +273,7 @@
     
     <div class="input-with-label">
         <label for="add-lhe-delivery">LHe Anlieferung:</label>
-        <input type="text" id="add-lhe-delivery" placeholder="Enter delivery amount">
+        <input type="text" id="add-lhe-delivery" placeholder="Wert eingeben">
     </div>
     
     <div class="input-with-label">
@@ -291,8 +291,8 @@
         <input type="number" id="add-lhe-output" readonly>
     </div>
     
-    <label for="add-notes">Notes:</label>
-    <textarea id="add-notes" placeholder="Additional notes"></textarea>
+    <label for="add-notes">Notizen:</label>
+    <textarea id="add-notes" placeholder="Notizen"></textarea>
     
     <div class="popup-buttons">
         <button class="save-btn" id="save-add-two">Save</button>
@@ -310,16 +310,16 @@
     <!-- Institute Selection -->
     <label for="edit-institute-id">Institute:</label>
     <select id="edit-institute-id">
-        <option value="">Select Institute</option>
+        <option value="">Institut Auswälen</option>
         {% for institute in institutes %}
             <option value="{{ institute.id }}">{{ institute.name }}</option>
         {% endfor %}
     </select>
     
     <!-- Client Selection (will be populated based on institute) -->
-    <label for="edit-client-id">Client:</label>
+    <label for="edit-client-id">Kunde:</label>
     <select id="edit-client-id" disabled>
-    <option value="">Select Institute first</option>
+    <option value="">Institut erstmal Auswälen</option>
     {% for client in clients %}
         <option value="{{ client.id }}" data-institute="{{ client.institute.id }}">{{ client.name }}</option>
     {% endfor %}
@@ -336,7 +336,7 @@
     
     <div class="input-with-label">
         <label for="edit-lhe-delivery">LHe Anlieferung:</label>
-        <input type="text" id="edit-lhe-delivery" placeholder="Enter delivery amount">
+        <input type="text" id="edit-lhe-delivery" placeholder="Wert eingeben">
     </div>
     
     <div class="input-with-label">
@@ -399,7 +399,7 @@
             function filterClients(instituteId, targetSelect, allOptions) {
                 if (!instituteId) {
                     // Show only the default option if no institute selected
-                    targetSelect.html('<option value="">Select Institute first</option>');
+                    targetSelect.html('<option value="">erstmal Institut auswählen</option>');
                     targetSelect.prop('disabled', true);
                 } else {
                     // Restore all options first
@@ -412,7 +412,7 @@
                     targetSelect.find('option').hide();
                     
                     // Always show the "Select Client" option
-                    targetSelect.find('option[value=""]').show().text('Select Client');
+                    targetSelect.find('option[value=""]').show().text('Kunde Auswählen');
                     
                     // Show only clients from selected institute
                     const clientsFromInstitute = targetSelect.find(`option[data-institute="${instituteId}"]`);
@@ -473,7 +473,7 @@
             $('#add-row-two').on('click', function () {
                 // Reset form
                 $('#add-institute-id').val('');
-                $('#add-client-id').html('<option value="">Select Institute first</option>');
+                $('#add-client-id').html('<option value="">Erstaml institut auswählen</option>');
                 $('#add-client-id').prop('disabled', true);
                 $('#add-date').val('');
                 $('#add-is-warm').val('0');
@@ -645,12 +645,12 @@
                 const instituteId = $('#edit-institute-id').val();
                 
                 if (!instituteId) {
-                    alert('Please select an institute');
+                    alert('Institut erstmal auswählen');
                     return;
                 }
                 
                 if (!clientId) {
-                    alert('Please select a client');
+                    alert('Kunde erstmal auswählen');
                     return;
                 }
 
