/* ── Audio Toggle Button ───────────────────────── */

.audio-toggle {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  background: rgba(16, 19, 35, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.audio-toggle:hover {
  border-color: var(--color-cyan);
  transform: scale(1.08);
}

.audio-toggle svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-dim);
}

.audio-toggle__label {
  display: none;
}

.audio-toggle.playing {
  border-color: var(--color-cyan);
  box-shadow: 0 0 14px rgba(0, 245, 255, 0.25);
}

.audio-toggle.playing svg {
  fill: var(--color-cyan);
}

/* Mobile: full-width rectangular button below wordmark */
@media (max-width: 768px) {
  .audio-toggle {
    width: 100%;
    height: auto;
    border-radius: 4px;
    padding: 0.6rem 1rem;
    gap: 0.5rem;
    border-color: rgba(255, 160, 50, 0.5);
    background: rgba(255, 140, 30, 0.85);
  }

  .audio-toggle:hover {
    transform: none;
    border-color: rgba(255, 160, 50, 0.7);
  }

  .audio-toggle svg {
    width: 14px;
    height: 14px;
    fill: #3a1800;
  }

  .audio-toggle.playing svg {
    fill: #3a1800;
  }

  .audio-toggle__label {
    display: inline;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #3a1800;
  }

  .audio-toggle.playing {
    border-color: rgba(255, 180, 80, 0.6);
    box-shadow: 0 0 14px rgba(255, 160, 50, 0.2);
  }

  .audio-toggle.playing .audio-toggle__label {
    color: #3a1800;
  }
}