* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100vh;
  overflow: hidden;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #f8f8f2;
  background: radial-gradient(circle at center, #2d2d46 0%, #161623 70%);
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 1rem;
}

.hud {
  text-align: center;
  margin-top: 1.5rem;
}

.hud h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
  letter-spacing: 0.1rem;
  text-transform: uppercase;
}

.hud p {
  margin: 0;
  font-size: 0.95rem;
  opacity: 0.8;
}

#game {
  border: 3px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  background: rgba(15, 15, 30, 0.75);
  flex: 1 1 auto;
  width: 100%;
  image-rendering: pixelated;
  align-self: center;
}