* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #000; overflow: hidden; }

#hud {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(0,0,0,0.6);
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: #555;
  z-index: 10;
  pointer-events: none;
}

#hud .title { color: #a0c4ff; }
#hud #device-name { color: #6fcf97; }
#hud #device-name.none { color: #444; }

#back {
  position: fixed;
  top: 8px; right: 16px;
  font-family: 'Courier New', monospace;
  font-size: 11px;
  color: #333;
  text-decoration: none;
  z-index: 20;
}
#back:hover { color: #888; }