/* Board Stage — just a wrapper */
.board-stage {
  width: 100%;
  position: relative;
}

/* Volume toggle — floating bottom-right */
.volume-toggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.35);
  transition: background 0.2s, color 0.2s;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.volume-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.6);
}

.volume-toggle.muted svg path:last-child,
.volume-toggle.muted svg path:nth-child(2) {
  display: none;
}

/* Fullscreen: tighten padding */
.fullscreen-active .board-stage {
  padding: 0;
}