:root {
  --fondo: #fafafa;
  --texto: #1f2328;
  --suave: #5c6670;
  --linea: #d8dde3;
  --acento: #2f5d8a;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--fondo);
}
@media (prefers-color-scheme: dark) {
  :root { --fondo: #15181c; --texto: #e6e8eb; --suave: #9aa4ae; --linea: #2c3238; --acento: #7fb0e0; }
}
body { margin: 0; line-height: 1.5; }
main { max-width: 40rem; margin: 0 auto; padding: 2rem 1rem 3rem; }
h1 { font-size: 1.8rem; margin: 0 0 .25rem; }
h2 { font-size: 1.2rem; margin: 2rem 0 .5rem; }
a { color: var(--acento); }
.nota, .meta { color: var(--suave); }
.capitulos { list-style: none; padding: 0; margin: 0; }
.capitulos li { border-top: 1px solid var(--linea); padding: .75rem 0; }
.capitulos a { font-weight: 600; text-decoration: none; }
.tarjeta { border: 1px solid var(--linea); border-radius: .5rem; padding: 1rem; margin-top: 1rem; }
.pie { text-align: center; color: var(--suave); font-size: .85rem; padding: 0 1rem 2rem; }
form { display: grid; gap: .5rem; }
label { display: block; }
input, select, textarea, button { font: inherit; padding: .5rem .6rem; border: 1px solid var(--linea); border-radius: .4rem; background: transparent; color: inherit; }
button, .boton { background: var(--acento); color: #fff; border-color: var(--acento); cursor: pointer; justify-self: start; }
button:disabled { opacity: .5; cursor: default; }
.boton { display: inline-block; padding: .5rem .8rem; border-radius: .4rem; }
.boton input { display: none; }
.persona { display: grid; gap: .4rem; grid-template-columns: 1fr auto; padding: .5rem 0; border-top: 1px solid var(--linea); }
.persona input:last-child { grid-column: 1 / -1; }
.aviso { color: var(--suave); min-height: 1.5em; margin: 0; }
.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr)); gap: .4rem; margin-top: .75rem; }
.galeria img, .galeria video { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: .3rem; background: var(--linea); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: .4rem .3rem; border-top: 1px solid var(--linea); vertical-align: top; }
.cifras { display: grid; grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr)); gap: .5rem; }
.cifras div { border: 1px solid var(--linea); border-radius: .4rem; padding: .5rem; }
.cifras strong { display: block; font-size: 1.3rem; }
.tabla { overflow-x: auto; }