body {
  margin: 0;
  padding: 20px;
  font-family: Arial, sans-serif;
  background: #1a1a1a;
  color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.game-container {
  text-align: center;
}

h1 {
  margin: 0 0 20px 0;
  font-size: 2.5em;
  color: #4A90E2;
}

canvas {
  border: 2px solid #4A90E2;
  background: #2a2a2a;
  display: block;
  margin: 0 auto 20px auto;
  cursor: crosshair;
}

.instructions {
  margin-top: 10px;
  color: #888;
  font-size: 0.9em;
}

.home-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 10;
  color: #e8f2ff;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(26, 26, 26, 0.85);
  border: 1px solid #4A90E2;
}

.home-link:hover,
.home-link:focus-visible {
  color: #ffffff;
  border-color: #7eb6f0;
}

.home-link:focus-visible {
  outline: 2px solid #7eb6f0;
  outline-offset: 2px;
}