diff --git a/app.js b/app.js
index 1b9416a..90332df 100644
--- a/app.js
+++ b/app.js
@@ -1245,14 +1245,18 @@ document.addEventListener('DOMContentLoaded', async () => {
                 console.log(`Potentialflächen API: ${data.features ? data.features.length : 0} Features erhalten.`);
                 if (data.features && data.features.length > 0) {
                     const potLayer = L.geoJSON(data, {
-                        style: {
-                            color: "#00aaff",
-                            weight: 2,
-                            fillOpacity: 0.1,
-                            dashArray: '5, 5'
+                        style: (feature) => {
+                            const isRechtsverbindlich = feature.properties?.planungsstand === 'rechtsverbindlich';
+                            return {
+                                color: isRechtsverbindlich ? "#ff0000" : "#00aaff",
+                                weight: 2,
+                                fillOpacity: 0.1,
+                                dashArray: '5, 5'
+                            };
                         },
                         onEachFeature: (feature, layer) => {
-                            layer.bindPopup(`<b>Gebietsumring</b>`);
+                            const stand = feature.properties?.planungsstand || 'unbekannt';
+                            layer.bindPopup(`<b>Gebietsumring</b><br>Planungsstand: ${stand}`);
                         }
                     });
                     
diff --git a/server.js b/server.js
index db89e8d..251e32c 100644
--- a/server.js
+++ b/server.js
@@ -533,7 +533,8 @@ app.get('/api/layers/potentialflaechen', async (req, res) => {
                 'type',       'Feature',
                 'geometry',   ST_AsGeoJSON(ST_Transform(geom, 4326))::jsonb,
                 'properties', jsonb_build_object(
-                    'id', id
+                    'id', id,
+                    'planungsstand', planungsstand
                 )
               ) AS feature
               FROM geodaten."potentialflächen_wind"