body {
  font-family: Arial, sans-serif;
  background: #f7f7f7;
  margin: 0;
  padding: 0;
}
.container {
  max-width: 500px;
  margin: 40px auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 24px;
  text-align: center;
}
.instructions {
  margin-bottom: 18px;
}
#draw-canvas {
  border: 2px solid #333;
  border-radius: 8px;
  background: #fafafa;
  cursor: crosshair;
  margin-bottom: 16px;
}
.controls {
  margin-bottom: 16px;
}
button {
  padding: 8px 18px;
  margin: 0 8px;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  background: #1976d2;
  color: #fff;
  cursor: pointer;
  transition: background 0.2s;
}
button:hover {
  background: #125ea2;
}
.rating-display {
  font-size: 1.3rem;
  margin-top: 10px;
  min-height: 32px;
}