body {
  font-family: sans-serif;
  text-align: center;
  background: #f0f0f0;
  margin: 0;
  padding: 20px;
}

h1 {
  margin-bottom: 20px;
}

.container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 20px;
}

canvas {
  background: #ffffff;
  border: 1px solid #333;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

#controls {
  width: 250px;
  padding: 20px;
  background: #ffffff;
  border: 1px solid #ccc;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  text-align: left;
}

#controls h2 {
  text-align: center;
  margin-top: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
  padding-bottom: 10px;
}

.control-group {
  margin-bottom: 15px;
}

.control-group label {
  display: block;
  margin-bottom: 5px;
  font-size: 14px;
}

.control-group input[type="range"] {
  width: 100%;
}

button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #0056b3;
}

#pauseBtn.paused {
  background-color: #28a745;
}

#pauseBtn.paused:hover {
  background-color: #218838;
}