:root {
  color-scheme: light dark;
  font-family: system-ui, sans-serif;
  --accent: #f38020;
}

body {
  margin: 0;
  background: Canvas;
  color: CanvasText;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

h1 {
  margin-bottom: 0.25rem;
}

.lead {
  opacity: 0.8;
}

.card {
  border: 1px solid color-mix(in srgb, CanvasText 15%, transparent);
  border-radius: 0.75rem;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

form {
  display: flex;
  gap: 0.5rem;
}

input:not([type="file"]) {
  flex: 1;
  padding: 0.5rem;
  border-radius: 0.4rem;
  border: 1px solid color-mix(in srgb, CanvasText 25%, transparent);
}

button {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 0.4rem;
  padding: 0.5rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

pre {
  background: color-mix(in srgb, CanvasText 6%, transparent);
  padding: 0.75rem;
  border-radius: 0.4rem;
  overflow-x: auto;
}

pre:empty {
  display: none;
}

ul {
  padding-left: 1.2rem;
}

li small {
  opacity: 0.6;
}

#error {
  color: #d33;
}