@font-face {
  font-family: 'Orbitron';
  font-style: normal;
  font-weight: 700 900;
  font-display: block;
  src: url('../assets/fonts/orbitron-latin.woff2') format('woff2');
}

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

body {
  background: #000;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow: hidden;
}

#stage {
  position: relative;
  width: 960px;
  height: 640px;
}

#game {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  width: 960px;
  height: 640px;
  border: 2px solid #333;
  display: block;
}

#boot-button {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 18px 42px;
  font: bold 22px/1 monospace;
  color: #ffffff;
  background: linear-gradient(#2a6ad0, #1a4aa0);
  border: 2px solid #88bbdd;
  border-radius: 4px;
  box-shadow: 0 0 24px rgba(68, 136, 255, 0.6), inset 0 0 12px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  letter-spacing: 2px;
  transition: transform 0.1s, background 0.15s, box-shadow 0.15s;
  z-index: 10;
}

#boot-button:hover {
  background: linear-gradient(#3c82e0, #245aa8);
  box-shadow: 0 0 32px rgba(68, 136, 255, 0.9), inset 0 0 12px rgba(0, 0, 0, 0.3);
}

#boot-button:active {
  transform: translate(-50%, -50%) scale(0.97);
}

#boot-button.hidden {
  display: none;
}