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

body {
  background: #111;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: 'Courier New', monospace;
  color: #0f0;
}

#hud {
  display: flex;
  justify-content: space-between;
  width: 560px;
  padding: 6px 0 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
}

#canvas {
  display: block;
  border: 1px solid #333;
  border-radius: 4px;
  background: #000;
  cursor: none;
}

#controls-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

button {
  font-family: 'Courier New', monospace;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 18px;
  letter-spacing: 0.5px;
  background: transparent;
  border: 1px solid #0f0;
  color: #0f0;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background: rgba(0, 255, 0, 0.1);
}

#hint {
  margin-top: 8px;
  font-size: 12px;
  color: #555;
  letter-spacing: 0.5px;
}