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

body {
  background: #0a0a0f;
  color: #fff;
  font-family: "Courier New", monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

#game {
  position: relative;
  border: 2px solid #333;
  box-shadow: 0 0 30px rgba(0, 255, 200, 0.15);
}

#scoreboard {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 10px 0;
  font-size: 24px;
  letter-spacing: 4px;
  color: #0f0;
}

#score-left, #score-right {
  min-width: 40px;
  text-align: center;
}

#divider {
  color: #333;
}

canvas {
  display: block;
  background: #111;
}

#overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.75);
}

#overlay h1 {
  font-size: 48px;
  letter-spacing: 16px;
  color: #0f0;
  text-shadow: 0 0 20px rgba(0, 255, 0, 0.6);
}

#overlay p {
  font-size: 16px;
  color: #aaa;
}

#overlay.hidden {
  display: none;
}