@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700&display=swap');

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
}

body {
  background: radial-gradient(ellipse at center bottom, #0a1628 0%, #050810 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Orbitron', sans-serif;
  overflow: hidden;
}

.game-header {
  font-size: 0.8rem;
  color: rgba(0,212,255,0.6);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

canvas {
  display: block;
  border-radius: 10px;
  border: 1px solid rgba(0,212,255,0.3);
  box-shadow: 0 0 30px rgba(0,212,255,0.15);
  max-width: 100%;
  max-height: 70vh;
  width: auto;
  height: auto;
  touch-action: none;
}

.mobile-aim {
  display: none;
  width: 90vw;
  max-width: 271px;
  margin-top: 10px;
  padding: 10px;
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 10px;
  text-align: center;
  color: rgba(0,212,255,0.5);
  font-size: 0.6rem;
  letter-spacing: 1px;
}

@media (max-width: 600px) {
  canvas { max-height: 60vh; }
  .mobile-aim { display: block; }
}

@media (hover: none) and (pointer: coarse) {
  .mobile-aim { display: block; }
}