Should be mostly working, doing some additional QOL

fictionarchive-web-astro/src/lib/components/ui/navigation-menu/navigation-menu-indicator.svelte

@@ -0,0 +1,22 @@
+<script lang="ts">
+	import { NavigationMenu as NavigationMenuPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: NavigationMenuPrimitive.IndicatorProps = $props();
+</script>
+
+<NavigationMenuPrimitive.Indicator
+	bind:ref
+	data-slot="navigation-menu-indicator"
+	class={cn(
+		"data-[state=visible]:animate-in data-[state=hidden]:animate-out data-[state=hidden]:fade-out data-[state=visible]:fade-in top-full z-[1] flex h-1.5 items-end justify-center overflow-hidden",
+		className
+	)}
+	{...restProps}
+>
+	<div class="bg-border rounded-ts-sm relative top-[60%] h-2 w-2 rotate-45 shadow-md"></div>
+</NavigationMenuPrimitive.Indicator>