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

body {
  background: #000;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: 'Courier New', Courier, monospace;
  gap: 0.5rem;
}

h1 {
  font-size: 2.5rem;
  letter-spacing: 0.8rem;
  color: #fff;
}

#scoreboard {
  display: flex;
  gap: 2rem;
  font-size: 3rem;
  font-weight: bold;
  min-width: 200px;
  justify-content: center;
}

#scoreboard .divider {
  color: #444;
}

#labels {
  display: flex;
  justify-content: space-between;
  width: 200px;
  font-size: 0.8rem;
  color: #666;
  letter-spacing: 0.2rem;
}

canvas {
  border: 2px solid #333;
  display: block;
  background: #000;
}

#message {
  position: absolute;
  font-size: 2rem;
  background: rgba(0, 0, 0, 0.75);
  padding: 1rem 2rem;
  border: 2px solid #fff;
  letter-spacing: 0.2rem;
}

#message.hidden {
  display: none;
}

.hint {
  color: #555;
  font-size: 0.85rem;
  letter-spacing: 0.1rem;
}

.hint strong {
  color: #aaa;
}

.indicators {
  display: flex;
  gap: 2rem;
  justify-content: center;
}

.mode {
  font-size: 0.85rem;
  color: #af4;
  letter-spacing: 0.15rem;
}

.speed {
  font-size: 0.85rem;
  color: #4af;
  letter-spacing: 0.15rem;
}

.ai-level {
  font-size: 0.85rem;
  color: #fa4;
  letter-spacing: 0.15rem;
}