diff --git a/app.js b/app.js
index ed3f7c5..89c75ae 100644
--- a/app.js
+++ b/app.js
@@ -524,29 +524,46 @@ document.addEventListener('DOMContentLoaded', async () => {
             if (state.isEditMode) openEditPanel(turbine);
         });
 
-        // Drag Update (Geometrien ziehen jetzt wieder live mit)
-        turbine.layers.marker.on('drag', (e) => {
-            const newPos = e.target.getLatLng();
-            turbine.latlng = newPos;
-            
-            // Recalculate all geometries live during drag
-            const newGeoms = calculateGeometries(newPos, turbine.rd, turbine.hh, turbine.fr, turbine.ksfAngle, turbine.ksfMirrored, turbine.hersteller);
-            turbine.layers.sweptArea.clearLayers().addData(newGeoms.sweptArea);
-            turbine.layers.techDist.clearLayers().addData(newGeoms.techDist);
-            turbine.layers.techDistSmall.clearLayers().addData(newGeoms.techDistSmall);
-            turbine.layers.loadRadius.clearLayers().addData(newGeoms.loadRadius);
-            turbine.layers.foundation.clearLayers().addData(newGeoms.foundation);
-            turbine.layers.ksf.clearLayers().addData(newGeoms.ksf);
-            turbine.layers.blf.clearLayers().addData(newGeoms.blf);
-            turbine.layers.mf.clearLayers().addData(newGeoms.mf);
-            
-            // Move rotation handle along with it during drag
-            updateRotationHandlePos(turbine);
+        let isDragUpdating = false;
+        let latestDragPos = null;
 
-            if (activeTurbine?.id === turbine.id) {
-                // Keep fields updated
-                editNr.value = turbine.nr;
-                updateEditPanelPosition(); // Sync floating panel
+        // Drag Update (Geometrien ziehen jetzt wieder live mit, aber throttled per requestAnimationFrame für Performance)
+        turbine.layers.marker.on('drag', (e) => {
+            latestDragPos = e.target.getLatLng();
+            
+            if (!isDragUpdating) {
+                isDragUpdating = true;
+                requestAnimationFrame(() => {
+                    if (!latestDragPos) {
+                        isDragUpdating = false;
+                        return;
+                    }
+                    
+                    turbine.latlng = latestDragPos;
+                    
+                    // Recalculate all geometries live during drag
+                    const newGeoms = calculateGeometries(latestDragPos, turbine.rd, turbine.hh, turbine.fr, turbine.ksfAngle, turbine.ksfMirrored, turbine.hersteller);
+                    turbine.layers.sweptArea.clearLayers().addData(newGeoms.sweptArea);
+                    turbine.layers.techDist.clearLayers().addData(newGeoms.techDist);
+                    turbine.layers.techDistSmall.clearLayers().addData(newGeoms.techDistSmall);
+                    turbine.layers.loadRadius.clearLayers().addData(newGeoms.loadRadius);
+                    turbine.layers.foundation.clearLayers().addData(newGeoms.foundation);
+                    turbine.layers.ksf.clearLayers().addData(newGeoms.ksf);
+                    turbine.layers.blf.clearLayers().addData(newGeoms.blf);
+                    turbine.layers.mf.clearLayers().addData(newGeoms.mf);
+                    
+                    // Move rotation handle along with it during drag
+                    updateRotationHandlePos(turbine);
+                    updateProximityLines(); // Abstandslinien ebenfalls live aktualisieren
+
+                    if (activeTurbine?.id === turbine.id) {
+                        // Keep fields updated
+                        editNr.value = turbine.nr;
+                        updateEditPanelPosition(); // Sync floating panel
+                    }
+                    
+                    isDragUpdating = false;
+                });
             }
         });
 
@@ -559,29 +576,45 @@ document.addEventListener('DOMContentLoaded', async () => {
             triggerAutoSave();
         });
 
+        let isRotationUpdating = false;
+        let latestRotationPos = null;
+
         // Rotation Handle drag logic
         turbine.layers.rotationHandle.on('drag', (e) => {
-            const handlePos = e.target.getLatLng();
-            const centerUtm = proj4(wgs84, utm32, [turbine.latlng.lng, turbine.latlng.lat]);
-            const handleUtm = proj4(wgs84, utm32, [handlePos.lng, handlePos.lat]);
+            latestRotationPos = e.target.getLatLng();
 
-            // Calculate angle
-            const dx = handleUtm[0] - centerUtm[0];
-            const dy = centerUtm[1] - handleUtm[1]; 
+            if (!isRotationUpdating) {
+                isRotationUpdating = true;
+                requestAnimationFrame(() => {
+                    if (!latestRotationPos) {
+                        isRotationUpdating = false;
+                        return;
+                    }
 
-            let angle = Math.atan2(-dx, dy) * (180 / Math.PI);
-            if (angle < 0) angle += 360;
+                    const centerUtm = proj4(wgs84, utm32, [turbine.latlng.lng, turbine.latlng.lat]);
+                    const handleUtm = proj4(wgs84, utm32, [latestRotationPos.lng, latestRotationPos.lat]);
 
-            turbine.ksfAngle = angle;
-            if (activeTurbine?.id === turbine.id) {
-                editKsfAngle.value = angle.toFixed(1);
+                    // Calculate angle
+                    const dx = handleUtm[0] - centerUtm[0];
+                    const dy = centerUtm[1] - handleUtm[1]; 
+
+                    let angle = Math.atan2(-dx, dy) * (180 / Math.PI);
+                    if (angle < 0) angle += 360;
+
+                    turbine.ksfAngle = angle;
+                    if (activeTurbine?.id === turbine.id) {
+                        editKsfAngle.value = angle.toFixed(1);
+                    }
+
+                    // Live Rotation Update
+                    const newGeoms = calculateGeometries(turbine.latlng, turbine.rd, turbine.hh, turbine.fr, turbine.ksfAngle, turbine.ksfMirrored, turbine.hersteller);
+                    turbine.layers.ksf.clearLayers().addData(newGeoms.ksf);
+                    turbine.layers.blf.clearLayers().addData(newGeoms.blf);
+                    turbine.layers.mf.clearLayers().addData(newGeoms.mf);
+                    
+                    isRotationUpdating = false;
+                });
             }
-
-            // Live Rotation Update
-            const newGeoms = calculateGeometries(turbine.latlng, turbine.rd, turbine.hh, turbine.fr, turbine.ksfAngle, turbine.ksfMirrored, turbine.hersteller);
-            turbine.layers.ksf.clearLayers().addData(newGeoms.ksf);
-            turbine.layers.blf.clearLayers().addData(newGeoms.blf);
-            turbine.layers.mf.clearLayers().addData(newGeoms.mf);
         });
 
         turbine.layers.rotationHandle.on('dragend', (e) => {