:root {
  color-scheme: light;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: #f8fafc;
  color: #0f172a;
}

.clf-demo {
  max-width: 54rem;
  margin: 0 auto;
  padding: 1rem;
}

.clf-demo h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.clf-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
  padding: 0.85rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  background: #fff;
}

.clf-controls label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
}

.clf-controls output {
  font-weight: 700;
}

.clf-controls input,
.clf-controls button {
  min-height: 2.6rem;
}

.clf-controls button {
  border: 1px solid #0b5fff;
  border-radius: 0.35rem;
  background: #0b5fff;
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}

.clf-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

#plot {
  width: 100%;
  height: auto;
  margin-top: 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 0.5rem;
  background: #fff;
}