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

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #0a0a0a;
  color: #0ff;
  font-family: 'Orbitron', monospace, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  user-select: none;
}

h1 {
  margin-bottom: 30px;
  font-size: 4rem;
  color: #0ff;
  text-align: center;
  text-shadow:
    0 0 10px #0ff,
    0 0 20px #0ff,
    0 0 30px #0ff,
    0 0 40px #0ff;
}

.screen {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.screen.active {
  display: flex;
}

#info {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-bottom: 15px;
  font-size: 20px;
  letter-spacing: 2px;
  text-shadow: 0 0 8px #0ff;
}

#game-container {
  position: relative;
  background: #050505;
  border: 3px solid #0ff;
  box-shadow:
    0 0 20px #0ff,
    inset 0 0 30px #0ff;
  max-width: 600px;
  max-height: 600px;
  aspect-ratio: 1/1;
}

canvas {
  display: block;
  background: #050505;
  image-rendering: pixelated;
  cursor: crosshair;
}

#message {
  margin-top: 15px;
  font-size: 22px;
  color: #0f0;
  text-shadow:
    0 0 10px #0f0,
    0 0 20px #0f0,
    0 0 30px #0f0;
  height: 28px;
}

button {
  background: #000;
  border: 2px solid #0ff;
  color: #0ff;
  font-family: 'Orbitron', monospace, sans-serif;
  font-weight: 700;
  padding: 12px 28px;
  cursor: pointer;
  margin-top: 15px;
  border-radius: 8px;
  box-shadow:
    0 0 15px #0ff,
    inset 0 0 20px #0ff;
  font-size: 1.2rem;
  transition: background-color 0.3s, color 0.3s;
}

button:hover, button:focus {
  background-color: #0ff;
  color: #000;
  box-shadow:
    0 0 25px #0ff,
    inset 0 0 30px #0ff;
  outline: none;
}