refac: styling

src/lib/components/layout/Navbar.svelte

@@ -131,7 +131,9 @@
 				<Tooltip content={$i18n.t('New Chat')}>
 					<button
 						id="new-chat-button"
-						class="cursor-pointer px-2 py-2 flex rounded-xl hover:bg-gray-100 dark:hover:bg-gray-850 transition"
+						class=" flex {$showSidebar
+							? 'md:hidden'
+							: ''} cursor-pointer px-2 py-2 rounded-xl hover:bg-gray-100 dark:hover:bg-gray-850 transition"
 						on:click={() => {
 							initNewChat();
 						}}