.sound-toggle { flex-shrink: 0; }
.sound-toggle[aria-pressed="true"] { color: var(--green); box-shadow: inset 0 0 0 1px var(--line); }
.sound-toggle[aria-pressed="true"] .sound-muted, .sound-toggle[aria-pressed="false"] .sound-on { display: none; }
.sound-settings { padding: 18px; margin: 22px 0; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); }
.sound-settings h3 { margin: 0 0 12px; font-size: 14px; }
.sound-settings p { margin: 10px 0 14px; font-size: 12px; line-height: 1.6; color: var(--muted); }
.sound-switch { display: flex; align-items: center; gap: 10px; min-height: 44px; cursor: pointer; }
.sound-switch input { accent-color: var(--green); width: 19px; height: 19px; }
.sound-volume { display: grid; grid-template-columns: 1fr auto; gap: 8px; margin: 14px 0; font-size: 12px; }
.sound-volume output { color: var(--muted); }
.sound-volume input { width: 100%; min-width: 0; min-height: 32px; margin: 0; grid-column: 1 / -1; accent-color: var(--green); cursor: pointer; }
.sound-settings .secondary { font-size: 12px; }
.sound-settings .sound-note { font-size: 11px; margin-bottom: 0; }
@media (max-width: 650px) {
  .topbar-right { gap: 7px; }
  .mobile-brand { gap: 7px; }
  .mobile-brand small { font-size: 8px; }
}