Implement theme toggle functionality in IdentityGraph component and refine styling for light/dark modes. Clean up unused imports and whitespace in related files.

src/app.css

@@ -2,7 +2,6 @@
 @tailwind components;
 @tailwind utilities;
 
-
 @layer base {
 	:root {
 		color-scheme: dark;

src/lib/identityGraph.ts

@@ -1,13 +1,4 @@
-import {
-	User,
-	Mail,
-	Phone,
-	MapPin,
-	Globe,
-	Building2,
-	Network,
-	AtSign,
-} from 'lucide-svelte';
+import { User, Mail, Phone, MapPin, Globe, Building2, Network, AtSign } from 'lucide-svelte';
 import type { ComponentType } from 'svelte';
 
 export type NodeType =

static/manifest.json

@@ -16,4 +16,3 @@
 		}
 	]
 }
-

static/sw.js

@@ -4,7 +4,7 @@ const urlsToCache = [
 	'/',
 	'/favicon.svg',
 	'/fonts/nunito-v16-latin-regular.woff2',
-	'/manifest.json'
+	'/manifest.json',
 ];
 
 self.addEventListener('install', (event) => {
@@ -56,4 +56,3 @@ self.addEventListener('fetch', (event) => {
 		})
 	);
 });
-