Fix: in-game mute button now mutes background music too

HUD mute is a master toggle (sound effects + music) via sound-store.toggleAll;
icon reflects fully-muted state.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/components/GameTable.tsx

@@ -53,7 +53,9 @@ export function GameTable({ onExit }: { onExit?: () => void } = {}) {
   const { t } = useI18n();
 
   const sfx = useSoundStore((s) => s.sfx);
-  const toggleSfx = useSoundStore((s) => s.toggleSfx);
+  const music = useSoundStore((s) => s.music);
+  const toggleAll = useSoundStore((s) => s.toggleAll);
+  const muted = !sfx && !music;
 
   const exit = onExit ?? reset;
   const { phase, players, hakem, trump, turn, currentTrick } = game;
@@ -72,14 +74,14 @@ export function GameTable({ onExit }: { onExit?: () => void } = {}) {
         <div className="flex items-center gap-2">
           {trump && <TrumpBadge trump={trump} />}
           <button
-            onClick={toggleSfx}
+            onClick={toggleAll}
             className="glass rounded-full p-2.5 hover:bg-navy-800 transition"
-            title={t("settings.sound")}
+            title={t("settings.audio")}
           >
-            {sfx ? (
-              <Volume2 className="size-4 text-gold-400" />
-            ) : (
+            {muted ? (
               <VolumeX className="size-4 text-cream/60" />
+            ) : (
+              <Volume2 className="size-4 text-gold-400" />
             )}
           </button>
           <button