/* A quiet sound toggle; keep the bottom jar controls unchanged on narrow screens. */
.header-nav{gap:14px}
.jar-sound{display:inline-flex;align-items:center;justify-content:center;width:38px;min-height:44px;padding:0;border:0;border-radius:10px;background:transparent;color:var(--green);flex:none}
.jar-sound svg{width:19px;height:19px}
.jar-sound:hover{background:#00ff7212}
.jar-sound .sound-muted{display:none}
.jar-sound[aria-pressed="false"]{color:#999}
.jar-sound[aria-pressed="false"] .sound-waves{display:none}
.jar-sound[aria-pressed="false"] .sound-muted{display:block}
@media(max-width:700px){.header-nav{gap:8px}.jar-sound{width:32px}.header-nav .sandbox-back{font-size:10px}}