Index: src/assets/css/style.css
===================================================================
--- src/assets/css/style.css	(revision 359b9aebc7b195f6f9d768920c5df8d88a479d15)
+++ src/assets/css/style.css	(revision 5258945073368775323191318c54bcd202f89a64)
@@ -2824,4 +2824,11 @@
 .post-album-track-compact.pat-flash {
     animation: patFlash 1.6s ease-out;
+    border-radius: 8px;
+}
+/* Blijvende highlight op de track die NU actief is in de speler. */
+.post-audio-track.pat-playing,
+.post-album-track-compact.pat-playing {
+    background: color-mix(in srgb, var(--accent, #c2410c) 12%, var(--paper-2, transparent));
+    box-shadow: inset 3px 0 0 0 var(--accent, #c2410c);
     border-radius: 8px;
 }