diff --git a/App/assets/css/ggs-header.css b/App/assets/css/ggs-header.css
index 4449d29..6c31649 100644
--- a/App/assets/css/ggs-header.css
+++ b/App/assets/css/ggs-header.css
@@ -23,6 +23,16 @@
   flex-wrap: nowrap;
 }
 
+/* Overlay-Modus: Zeile schwebt über Vollbild-Canvas (Heli, Tourismus …).
+   Der Sim-Canvas muss dann bis top:0 laufen; Sim-eigene Top-HUDs ggf.
+   nach unten schieben (siehe Kofferdetektiv). */
+.ggs-header--float.ggs-header--overlay {
+  position: absolute;
+  left: 0;
+  right: 0;
+  top: 0;
+}
+
 /* --- Marken-Pille: Kreis-Logo · Titel · Level ---------------- */
 .ggs-header--float .ggs-hpille {
   display: flex;
@@ -61,6 +71,8 @@
   font-size: .92rem;
   white-space: nowrap;
   line-height: 1;
+  margin: 0;
+  padding: 0;
 }
 .ggs-header--float .ggs-header-badge {
   font-size: .6rem;
@@ -115,6 +127,33 @@
   gap: .5rem;
   flex: none;
 }
+/* Bespoke-Sims: Buttons/Links in den Aktionen ohne .ggs-btn-ghost-Klasse
+   bekommen trotzdem die schwebende Icon-Button-Optik. */
+.ggs-header--float .ggs-header-actions > button,
+.ggs-header--float .ggs-header-actions > a {
+  width: 38px;
+  height: 38px;
+  border-radius: 12px;
+  border: none;
+  background: rgba(255, 255, 255, .96);
+  box-shadow: 0 2px 9px rgba(0, 0, 0, .2);
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  color: #1f4e5a;
+  padding: 0;
+  flex: none;
+  text-decoration: none;
+  font-size: 17px;
+  line-height: 1;
+  transition: background .15s, transform .1s;
+}
+.ggs-header--float .ggs-header-actions > button:hover,
+.ggs-header--float .ggs-header-actions > a:hover {
+  background: #fff;
+  transform: translateY(-1px);
+}
 
 /* --- Tempo-Zustandsbutton (zeigt IMMER den aktuellen Speed) --- */
 .ggs-header--float .ggs-tempo { position: relative; display: inline-flex; }
diff --git a/App/assets/js/ggs-header.js b/App/assets/js/ggs-header.js
index 6c7ac62..d74cd34 100644
--- a/App/assets/js/ggs-header.js
+++ b/App/assets/js/ggs-header.js
@@ -70,7 +70,7 @@
     }
     return null;
   }
-  var SOUND_IDS = ['btn-sound', 'btn-mute', 'btnVoiceToggle', 'btnAudioToggle', 'btnAudio', 'btn-ton', 'btn-audio'];
+  var SOUND_IDS = ['btn-sound', 'btn-mute', 'btnVoiceToggle', 'btnAudioToggle', 'btnAudio', 'audio-toggle', 'btnSound', 'btn-ton', 'btn-audio'];
   var RESET_IDS = ['btn-reset', 'btnReset', 'btn-restart', 'btn-neustart'];
   var HELP_IDS  = ['btn-info', 'btnHelp', 'btn-help', 'btn-anleitung', 'btn-hilfe'];
 
@@ -94,6 +94,7 @@
     injectSprite();
     header.setAttribute('data-ggs-enhanced', '1');
     header.classList.add('ggs-header--float');
+    if (opts.overlay || header.getAttribute('data-ggs-overlay') === '1') header.classList.add('ggs-header--overlay');
 
     var q = function (sel) { return header.querySelector(sel); };
     var homeHref = opts.home || header.getAttribute('data-ggs-home') || '/schueler';
@@ -108,10 +109,19 @@
     pille.className = 'ggs-hpille';
     if (logo) {
       logo.parentNode.insertBefore(pille, logo);
-      pille.appendChild(logo);
     } else {
       header.insertBefore(pille, header.firstChild);
+      // Fallback: Kreis-Logo erzeugen, falls die Sim keins im Header hat
+      logo = document.createElement('a');
+      logo.className = 'ggs-header-logo';
+      logo.setAttribute('href', homeHref);
+      var limg = document.createElement('img');
+      limg.className = 'ggs-header-logo-icon';
+      limg.src = opts.logo || header.getAttribute('data-ggs-logo') || '/assets/img/bildLogo.png';
+      limg.alt = '';
+      logo.appendChild(limg);
     }
+    pille.appendChild(logo);
     var mod = q('.ggs-header-module');   if (mod) pille.appendChild(mod);
     var badges = header.querySelectorAll('.ggs-header-badge');
     for (var i = 0; i < badges.length; i++) pille.appendChild(badges[i]);
diff --git a/App/sims/farmer/game.html b/App/sims/farmer/game.html
index e40d1a3..8a3b300 100644
--- a/App/sims/farmer/game.html
+++ b/App/sims/farmer/game.html
@@ -8,6 +8,9 @@
 <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
       integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="">
 
+<link rel="stylesheet" href="../../assets/css/ggs-header.css">
+<script src="../../assets/js/ggs-header.js"></script>
+
 <style>
   html, body { margin: 0; padding: 0; height: 100dvh; overflow: hidden;
     font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
@@ -19,9 +22,6 @@
   /* ===== Topbar ===== */
   .ggs-topbar {
     position: absolute; top: 8px; left: 8px; z-index: 1000;
-    background: rgba(255, 255, 255, 0.95);
-    padding: 6px 10px; border-radius: 8px;
-    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
     display: flex; gap: 8px; align-items: center; font-size: 13px;
   }
   .ggs-topbar a {
@@ -487,13 +487,16 @@
 </head>
 <body>
 
-<div class="ggs-topbar">
-  <h1>🌾 Landwirtschaft</h1>
-  <a href="/schueler" title="Zurück zur Schülerseite">🏠</a>
-  <button id="audio-toggle" title="Ton an/aus" onclick="toggleAudio()">🔊</button>
-  <button id="btn-info" title="Anleitung nochmal zeigen" onclick="if(window.GGS_TUTORIAL&&typeof window.GGS_TUTORIAL.replay==='function')window.GGS_TUTORIAL.replay();">ℹ</button>
-  <button id="glossar-btn" title="Fachinfo / Glossar" onclick="openInfoModal()">📖</button>
+<div class="ggs-topbar ggs-header" data-ggs-sim="farmer" data-ggs-no-glossar data-ggs-home="/schueler">
+  <h1 class="ggs-header-module">🌾 Landwirtschaft</h1>
   <div class="farmer-money" id="money-display">0 €</div>
+  <div class="ggs-header-spacer"></div>
+  <div class="ggs-header-actions">
+    <a href="/schueler" title="Zurück zur Schülerseite">🏠</a>
+    <button id="audio-toggle" title="Ton an/aus" onclick="toggleAudio()">🔊</button>
+    <button id="btn-info" title="Anleitung nochmal zeigen" onclick="if(window.GGS_TUTORIAL&&typeof window.GGS_TUTORIAL.replay==='function')window.GGS_TUTORIAL.replay();">ℹ</button>
+    <button id="glossar-btn" title="Fachinfo / Glossar" onclick="openInfoModal()">📖</button>
+  </div>
 </div>
 
 <div class="farmer-year-bar">