diff --git a/.github/copilot-instructions.md b/.github/copilot-instructions.md
index 0493f04..c53c216 100644
--- a/.github/copilot-instructions.md
+++ b/.github/copilot-instructions.md
@@ -62,7 +62,7 @@ Edit
 <div class="rounded-lg border border-gray-300 p-4 flex flex-col gap-4">
   <button
     class="rounded-md px-4 py-2 bg-blue-600 text-white"
-    on:click={() => count++}
+    onclick={() => count++}
     aria-label="Increment counter"
   >
     {count}
diff --git a/src/routes/private/events/creator/emailtest/+page.svelte b/src/routes/private/events/creator/emailtest/+page.svelte
index b6cc634..6bfab5d 100644
--- a/src/routes/private/events/creator/emailtest/+page.svelte
+++ b/src/routes/private/events/creator/emailtest/+page.svelte
@@ -66,7 +66,7 @@ async function sendTestEmail() {
 	{#if !authorized}
 		<div class="mb-4 flex items-center justify-between">
 			<p class="text-gray-700">Google not connected.</p>
-			<button class="btn bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 px-4 rounded ml-auto" on:click={connect}>
+			<button class="btn bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 px-4 rounded ml-auto" onclick={connect}>
 				Connect Google
 			</button>
 		</div>
diff --git a/src/routes/private/events/creator/steps/StepConnectGoogle.svelte b/src/routes/private/events/creator/steps/StepConnectGoogle.svelte
index 77d8f99..4c56994 100644
--- a/src/routes/private/events/creator/steps/StepConnectGoogle.svelte
+++ b/src/routes/private/events/creator/steps/StepConnectGoogle.svelte
@@ -59,7 +59,7 @@
 		{#if !authorized}
 			<section class="flex items-center justify-between w-full">
 				<p class="mr-4">You haven’t connected your Google account yet.</p>
-				<button class="btn bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 px-4 rounded ml-auto" on:click={connect}>
+				<button class="btn bg-blue-600 hover:bg-blue-700 text-white font-semibold py-2 px-4 rounded ml-auto" onclick={connect}>
 					Connect Google
 				</button>
 			</section>
diff --git a/src/routes/private/events/creator/steps/StepCraftEmail.svelte b/src/routes/private/events/creator/steps/StepCraftEmail.svelte
index 9272f3e..302b816 100644
--- a/src/routes/private/events/creator/steps/StepCraftEmail.svelte
+++ b/src/routes/private/events/creator/steps/StepCraftEmail.svelte
@@ -52,7 +52,7 @@
 {:else}
 	<button
 		class="mb-4 w-full rounded bg-blue-600 py-2 text-white transition hover:bg-blue-700"
-		on:click={showEditForm}
+		onclick={showEditForm}
 		aria-label="Edit email"
 	>
 		Edit email
diff --git a/src/routes/private/events/creator/steps/StepCreateEvent.svelte b/src/routes/private/events/creator/steps/StepCreateEvent.svelte
index 024e441..2bf5133 100644
--- a/src/routes/private/events/creator/steps/StepCreateEvent.svelte
+++ b/src/routes/private/events/creator/steps/StepCreateEvent.svelte
@@ -61,7 +61,7 @@
 {#if !showForm}
 	<button
 		class="mb-4 w-full rounded bg-blue-600 py-2 text-white transition hover:bg-blue-700"
-		on:click={showEditForm}
+		onclick={showEditForm}
 		aria-label="Edit event"
 	>
 		Edit the event
diff --git a/src/routes/private/events/creator/steps/StepUploadParticipants.svelte b/src/routes/private/events/creator/steps/StepUploadParticipants.svelte
index e5e0d46..b199986 100644
--- a/src/routes/private/events/creator/steps/StepUploadParticipants.svelte
+++ b/src/routes/private/events/creator/steps/StepUploadParticipants.svelte
@@ -67,7 +67,7 @@
 {:else}
 	<button
 		class="w-full rounded bg-blue-600 py-2 text-white transition hover:bg-blue-700"
-		on:click={showEditForm}
+		onclick={showEditForm}
 		aria-label="Edit participants"
 	>
 		Edit participants