diff --git a/app/pages/events/index.vue b/app/pages/events/index.vue
index c001e7c..4894a07 100644
--- a/app/pages/events/index.vue
+++ b/app/pages/events/index.vue
@@ -430,6 +430,11 @@ const isAlmostFull = (event) => {
   border-color: var(--candle-faint);
   color: var(--text-dim);
 }
+/* WCAG 2.4.7 — keyboard focus must be visibly indicated. */
+.past-toggle:focus-visible {
+  outline: 2px dashed var(--candle);
+  outline-offset: 3px;
+}
 .past-toggle.active {
   border-color: var(--candle);
   border-style: solid;