.audio-settings,
.audio-settings__panel {
  --audio-ink: #f3f6f8;
  --audio-muted: #afbdc9;
  --audio-surface: #101d29;
  --audio-edge: #405466;
  --audio-accent: #b7e26a;
  color: var(--audio-ink);
  font-family: inherit;
}
.audio-settings {
  position: fixed;
  z-index: 10000;
  inset-block-start: max(12px, env(safe-area-inset-top));
  inset-inline-end: max(12px, env(safe-area-inset-right));
  color: var(--audio-ink);
  font-family: inherit;
}
.audio-settings__trigger {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(183, 226, 106, .48);
  border-radius: 14px;
  background: rgba(13, 25, 36, .96);
  color: var(--audio-accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
  cursor: pointer;
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.audio-settings__trigger:hover,
.audio-settings__trigger[aria-expanded="true"] {
  border-color: var(--audio-accent);
  background: #192a36;
}
.audio-settings__trigger:active { transform: scale(.96); }
.audio-settings__trigger:focus-visible,
.audio-settings__slider:focus-visible {
  outline: 3px solid #d6f5a0;
  outline-offset: 3px;
}
.audio-settings__trigger svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.audio-settings__panel {
  position: fixed;
  z-index: 10000;
  inset-block-start: 70px;
  inset-inline-end: max(12px, env(safe-area-inset-right));
  width: min(320px, calc(100vw - 24px));
  padding: 18px;
  border: 1px solid var(--audio-edge);
  border-radius: 14px;
  background: var(--audio-surface);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .48);
}
.audio-settings--battle { position: static; }
.audio-settings--battle .audio-settings__trigger { width: 44px; height: 36px; border-radius: 9px; box-shadow: none; }
.audio-settings__panel[hidden] { display: none; }
.audio-settings__heading {
  margin: 0 0 16px;
  color: var(--audio-ink);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.25;
}
.audio-settings__channels { display: grid; gap: 18px; }
.audio-settings__channel { display: grid; gap: 9px; }
.audio-settings__label-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.audio-settings__label { color: var(--audio-ink); font-size: .9rem; font-weight: 700; }
.audio-settings__value { color: var(--audio-accent); font-size: .85rem; font-variant-numeric: tabular-nums; font-weight: 800; }
.audio-settings__slider { width: 100%; min-height: 24px; margin: 0; accent-color: var(--audio-accent); cursor: pointer; }
.audio-settings__hint { margin: 14px 0 0; color: var(--audio-muted); font-size: .75rem; line-height: 1.4; }
@media (max-width: 520px) {
  .audio-settings { inset-block-start: max(8px, env(safe-area-inset-top)); inset-inline-end: max(8px, env(safe-area-inset-right)); }
  .audio-settings__trigger { width: 46px; height: 46px; }
  .audio-settings__panel { inset-inline-end: max(8px, env(safe-area-inset-right)); }
}
@media (prefers-reduced-motion: reduce) { .audio-settings__trigger { transition: none; } }