If countdown falls under 0 seconds (due to delays) show a countdown of 0 seconds.

src/components/Entry.vue

@@ -16,6 +16,9 @@ const eta = computed(() =>{
   let startTime = new Date(props.firstStartedAt * 1000)
   let playBackSeconds = (now - startTime) / 1000
   let etaSeconds = Math.round(props.offset - playBackSeconds)
+  if etaSeconds < 0 {
+    etaSeconds = 0
+  }
   
   if (isNaN(etaSeconds)) {
     return null