body {
  margin: 0;
  padding: 0;
  background-color: #050510;
  overflow: hidden;
  touch-action: none;
  font-family: 'Courier New', Courier, monospace;
}

#game-container {
  width: 100vw;
  height: 100vh;
  position: relative;
  /* Galaxy Image */
  background: url('https://images.unsplash.com/photo-1464802686167-b939a6910659?auto=format&fit=crop&w=1920&q=80') no-repeat center center;
  background-size: cover;
  transition: transform 0.5s ease-in-out;
}

/* The Warp Speed Animation */
.warping {
  animation: warpDrive 10s infinite linear;
}

@keyframes warpDrive {
  0% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.2) rotate(1deg); }
  100% { transform: scale(1) rotate(0deg); }
}

#ufo, #alien, #explosion {
  position: absolute;
  font-size: 60px;
  user-select: none;
  pointer-events: none;
  filter: drop-shadow(0 0 15px #6c5ce7);
}

#ufo { z-index: 10; }
#alien { z-index: 5; transition: all 0.7s ease-in-out; }
#explosion { display: none; z-index: 15; transform: scale(3); }

#game-over {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(10, 0, 30, 0.95);
  padding: 40px;
  border: 4px solid #a29bfe;
  color: white;
  text-align: center;
  z-index: 100;
  border-radius: 20px;
  box-shadow: 0 0 50px #6c5ce7;
}

button {
  padding: 15px 30px;
  background: #6c5ce7;
  color: white;
  border: none;
  cursor: pointer;
  font-size: 20px;
  font-weight: bold;
  border-radius: 10px;
  margin-top: 20px;
  box-shadow: 0 5px 0 #4834d4;
}

button:active { transform: translateY(4px); box-shadow: none; }