style: add text-xs class to player title for non-Chrome browsers

Ensure consistent font size rendering across different browsers
by applying Tailwind's text-xs utility class to the song title
in the mini player component.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/Player.vue

@@ -395,7 +395,7 @@ setInterval(syncVolumeFromStorage, 100)
 
 			<RouterLink to="/playroom">
 				<div class="flex items-center w-32 h-9">
-					<span class="truncate">{{ getCurrentTrack()?.song.name }}</span>
+					<span class="truncate text-xs">{{ getCurrentTrack()?.song.name }}</span>
 				</div>
 			</RouterLink>