body { 
  margin: 0; 
  overflow: hidden; 
  background-color: #000; 
}
canvas { 
  display: block; 
}

/* Top header: "New AI World" */
#header {
  display: block; /* ensures the link fills the area */
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 100;
  color: white;
  font-family: Consolas, sans-serif;
}

/* Bottom footer: X logo and copyright */
#footer {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 100;
  color: white;
  font-family: Consolas, sans-serif;
  pointer-events: none;
}
#footer a {
  pointer-events: auto;
  margin-right: 10px;
  color: inherit;
  text-decoration: none;
}
#footer img {
  width: 40px;
  vertical-align: middle;
}
#sidePanel {
  width: 300px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  height: 100%;
  position: fixed;
  top: 0;
  right: -250px; /* leave a 50px tab visible */
  transition: right 0.3s ease-in-out;
  padding: 20px;
  box-sizing: border-box;
  z-index: 1000;
}