@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  overflow: hidden;
  background-color: #000;
  color: #fff;
}

h1 {
  text-align: center;
  padding: 10px;
}

#container {
  width: 100%;
  height: 100vh;
}

canvas {
  display: block;
}

#sidebar {
  display: none;
  position: absolute;
  top: 10px;
  left: 10px;
  width: 17%;
  height: 92%;
  background: #000;
  color: #efefef;
  padding: 15px;
  border: #efefef 4px solid;
  border-radius: 8px;
}

.sidebarimage {
  width: 100%;
  border-radius: 15px;
}

#closeButton {
  background: #3c0202;
  color: #efefef;
  border: none;
  padding: 10px;
  border: #efefef 2px solid;
  border-radius: 5px;
  cursor: pointer;
  font-weight: bold;
}
#closeButton:hover {
  background: #890505;
}
  
#planet-names {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none; 
  z-index: 0;
}

.planet-name {
  position: absolute;
  font-size: 24px; 
  color: white;
  text-align: center;
  pointer-events: none; 
  z-index: 1; 
}

#instructions {
  border-radius: 20px;
  border: #fff 2px solid;
}

.popup {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 15px;
  border-radius: 10px;
  font-size: 17px;
  z-index: 100;
}