fix: Tooltip-Text größer (12.5px statt 11px)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/static/css/style.css

@@ -4898,9 +4898,9 @@ a.map-popup-article:hover {
     transform: translateX(-50%);
     background: var(--bg-secondary);
     color: var(--text-primary);
-    font-size: 11px;
+    font-size: 12.5px;
     font-weight: 400;
-    padding: 8px 12px;
+    padding: 10px 14px;
     border-radius: var(--radius);
     border: 1px solid var(--border);
     white-space: normal;