red color for abort btn

src/lib/components/Playground/Playground.svelte

@@ -361,7 +361,7 @@
 					loading ? abort() : submit();
 				}}
 				type="button"
-				class="flex h-[39px] w-24 items-center justify-center gap-2 rounded-lg bg-black px-5 py-2.5 text-sm font-medium text-white hover:bg-gray-900 focus:outline-none focus:ring-4 focus:ring-gray-300 dark:border-gray-700 dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-gray-700"
+				class="flex h-[39px] w-24 items-center justify-center gap-2 rounded-lg px-5 py-2.5 text-sm font-medium text-white focus:outline-none focus:ring-4 focus:ring-gray-300 dark:border-gray-700 dark:focus:ring-gray-700 {loading ? 'bg-red-900 hover:bg-red-800 dark:bg-red-600 dark:hover:bg-red-700' : 'bg-black hover:bg-gray-900 dark:bg-blue-600 dark:hover:bg-blue-700'}"
 			>
 				{#if loading}
 					<div class="flex flex-none items-center gap-[3px]">