.music-player {
  position: fixed;
  right: clamp(10px, 2vw, 20px);
  bottom: clamp(10px, 2vw, 20px);
  z-index: 25;
}

.music-toggle {
  border: 1px solid rgba(18, 26, 49, 0.35);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #121a31;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease;
}

.music-toggle:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.96);
}

.music-toggle[aria-pressed="true"] {
  background: #121a31;
  color: #fff;
}

.music-toggle:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}