.sound-control[hidden] { display: none; }

.sound-control {
  position: fixed;
  z-index: 30;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
}

.sound-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-width: 7.25rem;
  min-height: 2.75rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid rgba(180, 204, 255, 0.35);
  background: rgba(3, 8, 22, 0.92);
  color: #d7e3ff;
  box-shadow: 0 0.2rem 1.5rem rgba(0, 0, 0, 0.2);
  font: 0.65rem/1.3 var(--mono, monospace);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.sound-toggle svg { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.sound-waves { display: none; }
[data-sound="on"] .sound-waves { display: inline; }
[data-sound="on"] .sound-muted { display: none; }
[data-sound="on"] .sound-toggle { border-color: #90b5ff; color: #fff; }
.sound-toggle:hover { border-color: #b5ccff; color: #fff; }
.sound-toggle:focus-visible { outline: 2px solid #b5ccff; outline-offset: 4px; }

.sound-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

[data-sound="error"] .sound-status {
  width: min(21rem, calc(100vw - 2rem));
  height: auto;
  right: 0;
  bottom: calc(100% + 0.75rem);
  margin: 0;
  padding: 1rem;
  border: 1px solid #f0b4a9;
  background: #171727;
  color: #ffddd5;
  font: 0.9rem/1.6 var(--body, sans-serif);
  letter-spacing: normal;
  text-transform: none;
  clip-path: none;
  white-space: normal;
}

/* The compact header has room beside Menu, keeping the artwork and copy clear. */
@media (max-width: 620px) {
  .sound-control {
    top: max(0.625rem, env(safe-area-inset-top));
    right: calc(6.75rem + env(safe-area-inset-right));
    bottom: auto;
  }
  .sound-toggle { min-width: 2.75rem; padding: 0.6rem; }
  #sound-label { display: none; }
  [data-sound="error"] .sound-status {
    position: fixed;
    top: max(5rem, calc(env(safe-area-inset-top) + 4rem));
    right: 1rem;
    bottom: auto;
    left: 1rem;
    width: auto;
  }
}