refac: styling

src/lib/components/admin/Settings/Documents.svelte

@@ -312,7 +312,7 @@
 			{#if embeddingEngine === 'openai'}
 				<div class="my-0.5 flex gap-2">
 					<input
-						class="flex-1 w-full rounded-lg py-2 px-4 text-sm bg-gray-50 dark:text-gray-300 dark:bg-gray-850 outline-none"
+						class="flex-1 w-full rounded-lg text-sm bg-transparent outline-none"
 						placeholder={$i18n.t('API Base URL')}
 						bind:value={OpenAIUrl}
 						required