Lagebild: Karte auf helle Tiles umgestellt (CartoDB Voyager)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lagebild/lagebild.js

@@ -625,8 +625,8 @@ var Lagebild = {
         if (this.map) { this.map.remove(); this.map = null; }
         this.map = L.map('map-container').setView([33.0, 48.0], 5);
 
-        // Dark map tiles (CartoDB Dark Matter)
-        L.tileLayer('https://{s}.basemaps.cartocdn.com/dark_all/{z}/{x}/{y}{r}.png', {
+        // Light map tiles (CartoDB Voyager)
+        L.tileLayer('https://{s}.basemaps.cartocdn.com/rastertiles/voyager/{z}/{x}/{y}{r}.png', {
             attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> &copy; <a href="https://carto.com/">CARTO</a>',
             maxZoom: 19,
             subdomains: 'abcd'