Use fluent icons

lib/main.dart

@@ -1,10 +1,11 @@
 // ignore_for_file: avoid_print
 
+import 'package:fluent_ui/fluent_ui.dart' as fluent;
 import 'package:fluentui_system_icons/fluentui_system_icons.dart';
 import 'package:flutter/material.dart';
-import 'package:music_web_player/ui/music_player.dart';
 import 'package:music_web_player/api.dart';
 import 'package:music_web_player/config.dart';
+import 'package:music_web_player/ui/music_player.dart';
 
 void main() {
   loadConfig();
@@ -24,7 +25,10 @@ class PlayerApp extends StatelessWidget {
         primarySwatch: Colors.green,
         brightness: Brightness.dark,
       ),
-      home: const AppHome(),
+      home: fluent.FluentTheme(
+        child: const AppHome(),
+        data: fluent.ThemeData(),
+      ),
     );
   }
 }
@@ -68,11 +72,15 @@ class _AppHomeState extends State<AppHome> {
           child: IntrinsicHeight(
         child: Column(
           children: [
-            const Icon(FluentIcons.warning_24_regular, size: 50),
+            const Icon(
+              FluentIcons.warning_24_regular,
+              size: 50,
+              color: Colors.white,
+            ),
             const SizedBox(height: 50),
             const Text("Failed to load musics list!"),
             const SizedBox(height: 50),
-            ElevatedButton(
+            fluent.FilledButton(
               onPressed: load,
               child: Text("Try again".toUpperCase()),
             ),
@@ -82,7 +90,7 @@ class _AppHomeState extends State<AppHome> {
     }
 
     if (musics == null) {
-      return const Center(child: CircularProgressIndicator());
+      return const Center(child: fluent.ProgressRing());
     }
 
     if (musics!.isEmpty) {