fix: hide notification preferences section from admin users

frontend/src/routes/account/+page.svelte

@@ -925,9 +925,11 @@
 											<div class="text-sm font-medium text-emerald-800">
 												Your loyalty card is full! Your next completed appointment will receive 10%
 												off.
-											</div>
-										</div>
-									{/if}
+								</div>
+							</div>
+						{/if}
+
+						<Separator />
 								</div>
 							</div>
 						{/if}
@@ -1171,13 +1173,14 @@
 
 						<Separator />
 
-						<!-- Notification Preferences -->
-						<div>
-							<h3 class="mb-2 text-sm font-semibold">Notifications</h3>
-							<p class="mb-3 text-sm text-gray-600">
-								Choose how you receive booking reminders and updates
-							</p>
-							<div class="space-y-3">
+						<!-- Notification Preferences (non-admin users only) -->
+						{#if authStore.currentUser?.role !== 'admin'}
+							<div>
+								<h3 class="mb-2 text-sm font-semibold">Notifications</h3>
+								<p class="mb-3 text-sm text-gray-600">
+									Choose how you receive booking reminders and updates
+								</p>
+								<div class="space-y-3">
 								<div class="flex items-center justify-between rounded-lg border p-3">
 									<div>
 										<div class="text-sm font-medium">Email</div>
@@ -1241,7 +1244,7 @@
 									</label>
 								</div>
 							</div>
-						</div>
+						{/if}
 
 						<Separator />