Various fixes, some settings handling

src/routes/+layout.svelte

@@ -11,9 +11,3 @@
 <div>
 	<slot />
 </div>
-
-<style>
-	div {
-		padding: 10px;
-	}
-</style>

src/routes/[manga]/[volume]/+layout.svelte

@@ -1,3 +1,17 @@
+<script lang="ts">
+	import { currentVolume } from '$lib/catalog';
+	import { onMount } from 'svelte';
+	import { goto } from '$app/navigation';
+
+	const volume = $currentVolume;
+
+	onMount(() => {
+		if (!volume) {
+			goto('/');
+		}
+	});
+</script>
+
 <slot />
 
 <style>

src/routes/[manga]/[volume]/+page.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
 	import Reader from '$lib/components/Reader/Reader.svelte';
+	import { settingsStore } from '$lib/settings';
 </script>
 
-<Reader />
+<div style:background-color={$settingsStore.backgroundColor}><Reader /></div>