.footer-toolbar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 8vh;
  display: flex;
  justify-content: space-around;
  align-items: center;
  background: #f4f4f4;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  z-index: 999;
  box-sizing: border-box;
}

#admin-btn, #submit-btn, #share-btn, #resume-btn, #toggle-play-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.5rem;
  color: #666;
  transition: color 0.2s ease;
}

#admin-btn:hover, #submit-btn:hover, #share-btn:hover, #resume-btn:hover, #toggle-play-btn:hover {
  color: #000;
}

.footer-toolbar button:hover {
  text-shadow: 0 0 5px limegreen;
}