diff --git a/app/Livewire/Ui/System/SettingsForm.php b/app/Livewire/Ui/System/SettingsForm.php
index 4f3e3d3..bc937eb 100644
--- a/app/Livewire/Ui/System/SettingsForm.php
+++ b/app/Livewire/Ui/System/SettingsForm.php
@@ -17,6 +17,8 @@ class SettingsForm extends Component
     #[Url]
     public string $tab = 'allgemein';
 
+    private const VALID_TABS = ['allgemein', 'domains', 'sicherung', 'meldungen'];
+
     // Allgemein
     public string $instance_name   = '';
     public string $locale          = 'de';
@@ -498,7 +500,12 @@ class SettingsForm extends Component
 
     public function render()
     {
-        $timezones = \DateTimeZone::listIdentifiers(\DateTimeZone::ALL);
-        return view('livewire.ui.system.settings-form', compact('timezones'));
+        if (!in_array($this->tab, self::VALID_TABS, true)) {
+            $this->tab = 'allgemein';
+        }
+
+        $timezones  = \DateTimeZone::listIdentifiers(\DateTimeZone::ALL);
+        $backupMeta = BackupPolicy::first();
+        return view('livewire.ui.system.settings-form', compact('timezones', 'backupMeta'));
     }
 }
diff --git a/resources/views/livewire/ui/system/settings-form.blade.php b/resources/views/livewire/ui/system/settings-form.blade.php
index af6418c..8382940 100644
--- a/resources/views/livewire/ui/system/settings-form.blade.php
+++ b/resources/views/livewire/ui/system/settings-form.blade.php
@@ -13,7 +13,7 @@
         </div>
         <div class="mbx-page-actions">
             @if($tab === 'domains')
-                <button wire:click="saveDomains" class="mbx-btn-primary">
+                <button wire:click="saveDomains" wire:loading.attr="disabled" wire:target="saveDomains" class="mbx-btn-primary">
                     <svg width="12" height="12" viewBox="0 0 14 14" fill="none"><path d="M2 2h8l2 2v8a1 1 0 0 1-1 1H3a1 1 0 0 1-1-1V3a1 1 0 0 1 1-1Z" stroke="currentColor" stroke-width="1.2"/><path d="M5 2v3h4V2" stroke="currentColor" stroke-width="1.2" stroke-linecap="round"/></svg>
                     <span wire:loading.remove wire:target="saveDomains">Domains speichern</span>
                     <span wire:loading wire:target="saveDomains">Speichert…</span>
@@ -32,10 +32,10 @@
     <div style="display:flex;gap:2px;border-bottom:1px solid var(--mw-b2);margin-bottom:20px">
         @php
             $tabs = [
-                'allgemein'        => ['label' => 'Allgemein',        'icon' => '<circle cx="8" cy="8" r="2.2" stroke="currentColor" stroke-width="1.3"/><path d="M8 1.5v1.3M8 13.2v1.3M1.5 8h1.3M13.2 8h1.3M3.2 3.2l.9.9M11.9 11.9l.9.9M3.2 12.8l.9-.9M11.9 4.1l.9-.9" stroke="currentColor" stroke-width="1.3" stroke-linecap="round"/>'],
-                'domains'          => ['label' => 'Domains & SSL',    'icon' => '<circle cx="8" cy="8" r="6" stroke="currentColor" stroke-width="1.3"/><path d="M8 2C6 4.5 5 6.2 5 8s1 3.5 3 6M8 2c2 2.5 3 4.2 3 6s-1 3.5-3 6M2 8h12" stroke="currentColor" stroke-width="1.3" stroke-linecap="round"/>'],
-                'backup'           => ['label' => 'Backup',           'icon' => '<ellipse cx="8" cy="4" rx="5" ry="2" stroke="currentColor" stroke-width="1.3"/><path d="M3 4v4c0 1.1 2.24 2 5 2s5-.9 5-2V4" stroke="currentColor" stroke-width="1.3"/><path d="M3 8v4c0 1.1 2.24 2 5 2s5-.9 5-2V8" stroke="currentColor" stroke-width="1.3"/>'],
-                'benachrichtigungen' => ['label' => 'Benachrichtigungen', 'icon' => '<path d="M8 14a1.5 1.5 0 0 0 3 0M8 2a4 4 0 0 1 4 4v3l1 1H3l1-1V6a4 4 0 0 1 4-4Z" stroke="currentColor" stroke-width="1.3" stroke-linejoin="round"/>'],
+                'allgemein' => ['label' => 'Allgemein',   'icon' => '<circle cx="8" cy="8" r="2.2" stroke="currentColor" stroke-width="1.3"/><path d="M8 1.5v1.3M8 13.2v1.3M1.5 8h1.3M13.2 8h1.3M3.2 3.2l.9.9M11.9 11.9l.9.9M3.2 12.8l.9-.9M11.9 4.1l.9-.9" stroke="currentColor" stroke-width="1.3" stroke-linecap="round"/>'],
+                'domains'   => ['label' => 'Domains & SSL','icon' => '<circle cx="8" cy="8" r="6" stroke="currentColor" stroke-width="1.3"/><path d="M8 2C6 4.5 5 6.2 5 8s1 3.5 3 6M8 2c2 2.5 3 4.2 3 6s-1 3.5-3 6M2 8h12" stroke="currentColor" stroke-width="1.3" stroke-linecap="round"/>'],
+                'sicherung' => ['label' => 'Sicherung',   'icon' => '<ellipse cx="8" cy="4" rx="5" ry="2" stroke="currentColor" stroke-width="1.3"/><path d="M3 4v4c0 1.1 2.24 2 5 2s5-.9 5-2V4" stroke="currentColor" stroke-width="1.3"/><path d="M3 8v4c0 1.1 2.24 2 5 2s5-.9 5-2V8" stroke="currentColor" stroke-width="1.3"/>'],
+                'meldungen' => ['label' => 'Meldungen',   'icon' => '<path d="M8 14a1.5 1.5 0 0 0 3 0M8 2a4 4 0 0 1 4 4v3l1 1H3l1-1V6a4 4 0 0 1 4-4Z" stroke="currentColor" stroke-width="1.3" stroke-linejoin="round"/>'],
             ];
         @endphp
         @foreach($tabs as $key => $cfg)
@@ -227,9 +227,10 @@
     </div>
     @endif
 
-    {{-- ═══ Tab: Backup ═══ --}}
-    @if($tab === 'backup')
-    <div class="mbx-sections" style="max-width:680px">
+    {{-- ═══ Tab: Sicherung ═══ --}}
+    @if($tab === 'sicherung')
+    <div class="sec-layout">
+    <div style="min-width:0"><div class="mbx-sections">
         <div class="mbx-section" id="backup">
             <div class="mbx-domain-head">
                 <div class="mbx-domain-info"><span class="mbx-badge-mute">Backup-Zeitplan</span></div>
@@ -354,12 +355,56 @@
 
             </div>
         </div>
+    </div></div>
+
+    {{-- Sidebar: Sicherung --}}
+    <div><div class="mbx-sections">
+        <div class="mbx-section">
+            <div class="mbx-domain-head">
+                <div class="mbx-domain-info"><span class="mbx-badge-mute">Letztes Backup</span></div>
+            </div>
+            <div style="padding:12px 14px;display:flex;flex-direction:column;gap:8px;font-size:11.5px">
+                @if($backupMeta && $backupMeta->last_run_at)
+                    @php
+                        $statusColor = $backupMeta->last_status === 'ok' ? '#22c55e' : '#f87171';
+                        $statusLabel = $backupMeta->last_status === 'ok' ? 'Erfolgreich' : 'Fehler';
+                        $sizeKb = $backupMeta->last_size_bytes ? round($backupMeta->last_size_bytes / 1024) : null;
+                    @endphp
+                    <div style="display:flex;justify-content:space-between">
+                        <span style="color:var(--mw-t4)">Status</span>
+                        <span style="color:{{ $statusColor }}">{{ $statusLabel }}</span>
+                    </div>
+                    <div style="display:flex;justify-content:space-between">
+                        <span style="color:var(--mw-t4)">Zuletzt</span>
+                        <span style="color:var(--mw-t2)">{{ \Carbon\Carbon::parse($backupMeta->last_run_at)->format('d.m.Y H:i') }}</span>
+                    </div>
+                    @if($sizeKb)
+                    <div style="display:flex;justify-content:space-between">
+                        <span style="color:var(--mw-t4)">Größe</span>
+                        <span style="color:var(--mw-t2)">{{ $sizeKb < 1024 ? $sizeKb.' KB' : round($sizeKb/1024,1).' MB' }}</span>
+                    </div>
+                    @endif
+                    <div style="display:flex;justify-content:space-between">
+                        <span style="color:var(--mw-t4)">Aufbewahrung</span>
+                        <span style="color:var(--mw-t2)">{{ $backupMeta->retention_count }} Stück</span>
+                    </div>
+                @else
+                    <span style="color:var(--mw-t4)">Noch kein Backup ausgeführt.</span>
+                @endif
+                <a href="{{ route('ui.system.backups') }}" style="display:flex;align-items:center;gap:5px;font-size:11px;color:var(--mw-v);padding:4px 0;text-decoration:none;margin-top:2px">
+                    <svg width="10" height="10" viewBox="0 0 14 14" fill="none"><ellipse cx="7" cy="3.5" rx="5" ry="2" stroke="currentColor" stroke-width="1.3"/><path d="M2 3.5v7c0 1.1 2.24 2 5 2s5-.9 5-2v-7" stroke="currentColor" stroke-width="1.3"/></svg>
+                    Backup-Verlauf →
+                </a>
+            </div>
+        </div>
+    </div></div>
     </div>
     @endif
 
-    {{-- ═══ Tab: Benachrichtigungen ═══ --}}
-    @if($tab === 'benachrichtigungen')
-    <div class="mbx-sections" style="max-width:680px">
+    {{-- ═══ Tab: Meldungen ═══ --}}
+    @if($tab === 'meldungen')
+    <div class="sec-layout">
+    <div style="min-width:0"><div class="mbx-sections">
         <div class="mbx-section">
             <div class="mbx-domain-head">
                 <div class="mbx-domain-info"><span class="mbx-badge-mute">Benachrichtigungen</span></div>
@@ -388,6 +433,32 @@
                 </div>
             </div>
         </div>
+    </div></div>
+
+    {{-- Sidebar: Meldungen --}}
+    <div><div class="mbx-sections">
+        <div class="mbx-section">
+            <div class="mbx-domain-head">
+                <div class="mbx-domain-info"><span class="mbx-badge-mute">Meldungstypen</span></div>
+            </div>
+            <div style="padding:12px 14px;display:flex;flex-direction:column;gap:6px;font-size:11.5px">
+                @foreach([
+                    ['Update verfügbar', 'Neue App-Version erkannt'],
+                    ['Update abgeschlossen', 'Nach erfolgreichem Update'],
+                    ['Backup-Fehler', 'Wenn ein Backup fehlschlägt'],
+                    ['SSL läuft ab', 'Zertifikat < 14 Tage gültig'],
+                ] as [$title, $desc])
+                <div style="display:flex;align-items:flex-start;gap:8px;padding:7px 10px;border-radius:6px;background:var(--mw-bg3);border:1px solid var(--mw-b2)">
+                    <svg width="10" height="10" viewBox="0 0 14 14" fill="none" style="flex-shrink:0;margin-top:2px;color:var(--mw-v)"><circle cx="7" cy="7" r="5.5" stroke="currentColor" stroke-width="1.3"/><path d="M7 4.5v3" stroke="currentColor" stroke-width="1.3" stroke-linecap="round"/><circle cx="7" cy="9.5" r=".6" fill="currentColor"/></svg>
+                    <div>
+                        <div style="color:var(--mw-t2);font-weight:500">{{ $title }}</div>
+                        <div style="color:var(--mw-t4);font-size:11px;margin-top:1px">{{ $desc }}</div>
+                    </div>
+                </div>
+                @endforeach
+            </div>
+        </div>
+    </div></div>
     </div>
     @endif