diff --git a/style.css b/style.css
index f42d8bf..656d021 100644
--- a/style.css
+++ b/style.css
@@ -35,6 +35,15 @@
 /* ─── RESET ──────────────────────────────────────────────── */
 *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
 
+/* Prevent text selection and touch callouts everywhere in the game */
+html, body, #app {
+  -webkit-user-select: none;
+  -moz-user-select: none;
+  user-select: none;
+  -webkit-touch-callout: none;
+  -webkit-tap-highlight-color: transparent;
+}
+
 /* ─── BODY ───────────────────────────────────────────────── */
 html, body {
   height: 100%;
@@ -222,6 +231,8 @@ html, body {
   justify-content: center;
   cursor: pointer;
   -webkit-tap-highlight-color: transparent;
+  -webkit-user-select: none;
+  user-select: none;
   touch-action: none;
   transition: background .08s;
 }
@@ -285,6 +296,8 @@ html, body {
   justify-content: center;
   box-shadow: 0 4px 0 rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.3);
   -webkit-tap-highlight-color: transparent;
+  -webkit-user-select: none;
+  user-select: none;
   touch-action: none;
   transition: transform .06s, box-shadow .06s;
 }