.plomo-sound-toggle {
  display: inline-flex;
  flex: 0 0 40px;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid #cbd0eb14;
  border-radius: 6px;
  background: #cbd0eb1a;
  color: #d6d9ff;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease;
}
.plomo-sound-toggle:hover { background: #cbd0eb29; color: #fff; }
.plomo-sound-toggle[aria-pressed="false"] { color: #8285a4; }
.plomo-sound-toggle:focus-visible { outline: 2px solid #b5adf1; outline-offset: 3px; }
@media (max-width: 380px) {
  .header-row { gap: 6px; padding-inline: 10px; }
  .header-actions { gap: 4px; }
  .header .ca-btn { gap: 5px; padding-inline: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  .plomo-sound-toggle { transition: none; }
}