diff --git a/wwwroot/css/v2/calendar-v2-events.css b/wwwroot/css/v2/calendar-v2-events.css
index 306a141..dd4d46c 100644
--- a/wwwroot/css/v2/calendar-v2-events.css
+++ b/wwwroot/css/v2/calendar-v2-events.css
@@ -14,6 +14,7 @@ swp-day-columns swp-event {
   right: 2px;
   font-size: 12px;
   padding: 4px 6px;
+  user-select: none;
 
   /* Color system using color-mix() */
   background-color: color-mix(in srgb, var(--b-primary) 10%, var(--b-mix));
@@ -171,6 +172,7 @@ swp-multi-day-event {
   overflow: hidden;
   white-space: nowrap;
   text-overflow: ellipsis;
+  user-select: none;
 
   /* Color system using color-mix() */
   --b-text: var(--color-text);
@@ -227,6 +229,7 @@ swp-allday-event {
   border-left: 4px solid var(--b-primary);
   cursor: pointer;
   transition: background-color 200ms ease;
+  user-select: none;
 
   &:hover {
     background-color: color-mix(in srgb, var(--b-primary) 15%, var(--b-mix));
diff --git a/wwwroot/css/v2/calendar-v2-layout.css b/wwwroot/css/v2/calendar-v2-layout.css
index 35e0ba2..895d4f6 100644
--- a/wwwroot/css/v2/calendar-v2-layout.css
+++ b/wwwroot/css/v2/calendar-v2-layout.css
@@ -65,6 +65,7 @@ swp-time-axis {
   border-right: 1px solid var(--color-border);
   background: var(--color-surface);
   overflow: hidden;
+  user-select: none;
 }
 
 swp-header-spacer {
@@ -177,6 +178,7 @@ swp-team-header {
   text-align: center;
   border-right: 1px solid var(--color-border);
   border-bottom: 1px solid var(--color-border);
+  user-select: none;
 }
 
 swp-team-header {