body {
  font-family: system-ui, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  padding: 20px;
}

h1 {
  margin-bottom: 10px;
}

.controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}

label {
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

textarea {
  grid-column: 1 / -1;
  resize: vertical;
}

button {
  padding: 8px;
  border: none;
  cursor: pointer;
  border-radius: 6px;
}

canvas {
  image-rendering: pixelated;
  max-width: 100%;
}