body {
  margin: 0;
  background: #111;
  font-family: Arial, sans-serif;
  color: white;
  text-align: center;
}

.container {
  padding: 20px;
}

h1 {
  margin-bottom: 20px;
}

input {
  padding: 12px;
  width: 300px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
}

button {
  padding: 12px 20px;
  margin: 10px;
  border: none;
  background: #ff0055;
  color: white;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #ff3366;
}

canvas {
  margin-top: 20px;
  border-radius: 10px;
  background: #333;
}