body {
  margin: 0;
  background: #111;
  font-family: Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

#game-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.game-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

canvas {
  border: 3px solid #fff;
  border-radius: 8px;
  background: #111;
  box-shadow: 0 0 20px #00f inset, 0 0 30px #00f;
  display: block;
}

.score {
  position: absolute;
  top: 12px;
  left: 12px;
  color: white;
  font-size: 18px;
  text-shadow: 0 0 5px #00f;
  z-index: 3;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  border-radius: 8px;
  z-index: 5;
  gap: 8px;
}

.overlay.hidden { display: none; }

.overlay button {
  font-size: 1em;
  padding: 8px 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 6px;
  background: #222;
  color: #fff;
  box-shadow: 0 0 10px #00f;
}

.overlay button:hover { background: #444; }

.scoreboard {
  margin-top: 10px;
  color: white;
  text-align: center;
}

.scoreboard ol {
  list-style: decimal;
  padding-left: 18px;
  margin: 6px 0 0 0;
}