body, html {
  margin: 0; padding: 0;
  width: 100%; height: 100%;
  background-color: #000;
  overflow: hidden;
  font-family: 'Courier New', Courier, monospace;
  cursor: default;
}

#starfield {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image:
    radial-gradient(1px 1px at 20px 30px, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 40px 70px, #fff, rgba(0,0,0,0)),
    radial-gradient(1.5px 1.5px at 90px 40px, #fff, rgba(0,0,0,0)),
    radial-gradient(1px 1px at 160px 120px, #fff, rgba(0,0,0,0));
  background-repeat: repeat;
  background-size: 200px 200px;
  opacity: 0.2;
  z-index: 1;
}

#hint {
  position: absolute;
  bottom: 15%;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 18px;
  letter-spacing: 4px;
  z-index: 10;
  animation: pulse 2s infinite;

  pointer-events: auto;
  cursor: pointer;
}
@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; text-shadow: 0 0 10px #fff; }
}

#planet-container {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 400px; height: 400px;
  z-index: 5;
  cursor: pointer;
  filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.15));
}

#satellite-container {
  position: absolute;
  top: 50%; left: 50%;
  width: 42px; height: 42px;
  border-radius: 50%;
  background-color: #fff;
  z-index: 7;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 0 20px #fff, 0 0 40px rgba(255,255,255,0.8), 0 0 80px rgba(255,255,255,0.4);
  animation: satelliteGlow 2s infinite alternate;
  cursor: pointer;
}
@keyframes satelliteGlow {
  0%   { box-shadow: 0 0 20px #fff, 0 0 40px rgba(255,255,255,0.8), 0 0 80px rgba(255,255,255,0.4); }
  100% { box-shadow: 0 0 30px #fff, 0 0 60px rgba(255,255,255,1),   0 0 100px rgba(255,255,255,0.6); }
}

#menu-container {
  position: absolute;
  top: 22%; left: 40%;
  width: 50vw;
  display: flex;
  flex-direction: column;
  gap: 8vh;
  z-index: 4;
  opacity: 0;
}
.menu-item {
  position: relative;
  width: 100%; height: 60px;
  cursor: pointer;
  display: flex;
  align-items: flex-end;
}
.menu-line {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 1px;
  background-color: rgba(255,255,255,0.2);
  transform-origin: left center;
  transform: scaleX(0);
  transition: all 0.3s ease;
  z-index: 1;
}
.menu-text {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 10px;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255,255,255,0.7);
  position: relative;
  padding-left: 10px;
  bottom: 12px;
  z-index: 2;
  transition: all 0.3s ease;
}
.menu-item:hover .menu-text {
  color: #fff;
  -webkit-text-stroke: 0;
  text-shadow: 0 0 20px rgba(255,255,255,0.8);
}
.menu-item:hover .menu-line {
  background-color: #fff;
  height: 2px;
  box-shadow: 0 0 15px #fff;
}