Transparent event bars.

src/components/EventOverlay.vue

@@ -563,10 +563,10 @@ function applyRangeDuringDrag(st, startDate, endDate) {
   align-items: center;
   position: relative;
   user-select: none;
-  z-index: 1;
+  z-index: 10;
   text-align: center;
-  /* Ensure touch pointer events aren't turned into a scroll gesture; needed for reliable drag on mobile */
   touch-action: none;
+  backdrop-filter: blur(.05rem);
 }
 
 .event-span.cont-prev {