#vcs-button {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #0073aa;
  color: white;
  border: none;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  font-size: 30px;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: background-color 0.3s ease;
}
#vcs-button:hover {
  background-color: #005177;
}

#vcs-fullscreen {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  color: white;
  padding: 40px;
  z-index: 10000;
  text-align: center;
  font-family: Arial, sans-serif;
}

#vcs-end {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 20px;
  background: #cc0000;
  border: none;
  padding: 8px 15px;
  border-radius: 8px;
  cursor: pointer;
  color: white;
  font-weight: bold;
}

#vcs-status {
  margin-top: 20px;
  font-size: 18px;
}