body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  font-family: Arial, sans-serif;
}

#settings-panel {
  position: fixed;
  bottom: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.8);
  padding: 10px;
  border-radius: 8px;
  display: none;
}

#settings-panel.collapsed {
  display: none;
}

#loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  color: #fff;
}

.hidden {
  display: none;
}