body {
  margin: 0;
  display: flex;
  height: 100vh;
  font-family: sans-serif;
}
#controls {
  width: 20%;
  padding: 1rem;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: #f5f5f5;
}
button {
  font-size: 1.2rem;
  padding: 1rem;
  border: none;
  border-radius: 8px;
  background-color: #007BFF;
  color: white;
  cursor: pointer;
}
button:hover {
  background-color: #0056b3;
}
button:disabled {
  background-color: #6c757d;
  color: white;
  opacity: 1;
  cursor: not-allowed;
}
button:disabled:hover {
  background-color: #5a6268;
}
input[type=range] {
  width: 100%;
}
#nav-buttons {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
}
#nav-buttons a {
  flex: 1;
  text-align: center;
}
#nav-buttons button {
  width: 100%;
}
canvas {
  display: block;
}
.container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

button.icon-btn {
  display:inline-flex;
  align-items:center;
  gap:.5rem;
}