:root {
  --fondo: #fbfaf7;
  --texto: #1c1b19;
  --suave: #5f5b53;
  --linea: #e3dfd6;
  --caja: #f2efe8;
  --enlace: #0f5c8c;
  --ok: #1d6b3a;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #151412;
    --texto: #ece8df;
    --suave: #a39e93;
    --linea: #2d2b27;
    --caja: #1e1d1a;
    --enlace: #7cb9e3;
    --ok: #7ccf9a;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font: 18px/1.6 Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
}

a { color: var(--enlace); text-underline-offset: 0.15em; }

code, pre {
  font-family: ui-monospace, "SF Mono", Consolas, "Liberation Mono", monospace;
  font-size: 0.85em;
}

code { overflow-wrap: anywhere; }

pre {
  background: var(--caja);
  border: 1px solid var(--linea);
  border-radius: 6px;
  padding: 0.8rem 1rem;
  overflow-x: auto;
}

.cabecera, main, .pie {
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1rem;
}

.cabecera {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--linea);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.95rem;
}

.marca { color: var(--texto); font-weight: 600; text-decoration: none; }
.cabecera nav { display: flex; gap: 1.25rem; }

h1, h2, h3 { line-height: 1.25; }
h1 { font-size: 2rem; margin: 2rem 0 1rem; }
h2 { font-size: 1.3rem; margin: 2rem 0 0.75rem; }

.lema { color: var(--suave); font-size: 1.05rem; }

.entradas { list-style: none; margin: 0; padding: 0; }

.entradas li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--linea);
}

.entradas a { display: block; text-decoration: none; }
.entradas .fecha {
  display: block;
  color: var(--suave);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.85rem;
}
.entradas .titulo { font-size: 1.1rem; text-decoration: underline; text-underline-offset: 0.15em; }

.sello, .aviso-sello, .nota {
  display: block;
  color: var(--suave);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.85rem;
}

.aviso-sello { margin-top: 1.5rem; }

.sello-completo {
  margin: 2.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--caja);
  border: 1px solid var(--linea);
  border-radius: 8px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.95rem;
}

.sello-completo h2 { margin-top: 0; }
.sello-completo dt { font-weight: 600; margin-top: 0.75rem; }
.sello-completo dd { margin: 0.2rem 0 0; }

.contenido table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.contenido th, .contenido td { border: 1px solid var(--linea); padding: 0.35rem 0.6rem; text-align: left; }

.pie {
  margin-top: 3rem;
  padding-top: 1.25rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid var(--linea);
  color: var(--suave);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 0.85rem;
}