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

body {
  background: #000;
  color: #0ff;
  font-family: monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

main {
  text-align: center;
}

h1 {
  color: #ff0;
  margin-bottom: 20px;
  font-size: 24px;
}

.controls {
  display: flex;
  gap: 15px;
  justify-content: end;
  align-items: center;
  margin-top: 20px;
}

button {
  background: transparent;
  color: #f0f;
  border: 1px solid #f0f;
  padding: 8px 16px;
  font-family: monospace;
  font-size: 14px;  
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #f0f;
  color: #000;
}

select {
  background: #000;
  color: #0ff;
  border: 1px solid #0ff;
  padding: 6px;
  font-family: monospace;
  font-size: 14px;
  cursor: pointer;
}

canvas {
  display: block;
  margin: 0 auto;
  border: 1px solid #0ff;
  cursor: crosshair;
}

.info {
  color: #ff0;
  margin-top: 15px;
  font-size: 12px;
}