:root {
  color-scheme: light dark;
  --fondo: #ffffff;
  --texto: #1a1a1a;
  --suave: #f4f4f5;
  --borde: #d4d4d8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #18181b;
    --texto: #f4f4f5;
    --suave: #27272a;
    --borde: #3f3f46;
  }
}

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 6rem;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.25rem;
}

a {
  color: inherit;
}

label {
  font-weight: 600;
}

#demo {
  background: var(--suave);
  border: 1px solid var(--borde);
  border-radius: 0.5rem;
  padding: 1.25rem;
}

#demo div {
  margin-bottom: 0.75rem;
}

#demo input,
#demo select,
#demo button {
  font: inherit;
  margin: 0.25rem 0.5rem 0.75rem 0;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--borde);
  border-radius: 0.375rem;
  background: var(--fondo);
  color: inherit;
}

#demo button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

dl {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
  margin: 0.75rem 0;
}

dt {
  font-weight: 600;
}

dd {
  margin: 0;
  overflow-wrap: anywhere;
}

pre {
  background: var(--suave);
  border: 1px solid var(--borde);
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow-wrap: anywhere;
}

caption {
  text-align: start;
}

th,
td {
  text-align: start;
  vertical-align: top;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--borde);
}

th {
  font-weight: 600;
}

fieldset {
  border: 1px solid var(--borde);
  border-radius: 0.375rem;
  margin: 0.75rem 0;
  padding: 0.75rem 1rem;
}

legend {
  font-weight: 600;
  padding: 0 0.375rem;
}

fieldset div {
  margin-bottom: 0.5rem;
}

.hint {
  font-size: 0.875rem;
  opacity: 0.75;
  margin: 0.25rem 0 0;
}

.notice {
  border-left: 3px solid #d97706;
  background: var(--suave);
  padding: 0.75rem 1rem;
  border-radius: 0.25rem;
}