diff --git a/src/app.css b/src/app.css
index a86c839..ca6eddc 100644
--- a/src/app.css
+++ b/src/app.css
@@ -150,6 +150,12 @@
 @layer base {
   * {
     @apply border-border outline-ring/50;
+    -webkit-touch-callout: none;
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
   }
   body {
     @apply bg-background text-foreground;