.ab-contenedor,.ab-landing,.ab-listado,.ab-formulario,.ab-filtros{max-width:900px;margin:24px auto}
.ab-formulario,.ab-filtros,.ab-tarjeta,.ab-contenedor{background:#fff;padding:20px;border:1px solid #ddd;border-radius:8px}
.ab-formulario p,.ab-filtros{display:block;margin:0 0 16px}
.ab-formulario input,.ab-formulario textarea,.ab-formulario select,.ab-filtros input,.ab-filtros select{width:100%;padding:10px;border:1px solid #bbb;border-radius:6px}
.ab-formulario button,.ab-boton,.ab-filtros button{display:inline-block;background:#111;color:#fff;padding:10px 16px;border:none;border-radius:6px;text-decoration:none;cursor:pointer}
.ab-boton.secundario{background:#555}
.ab-acciones{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}
.ab-ventajas{display:flex;gap:16px;flex-wrap:wrap;padding-left:20px}
.ab-listado{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;background:none;border:none;padding:0}
.ab-tarjeta h3{margin-top:0}.ab-meta{color:#666;font-size:.95em}.ab-mensaje{max-width:900px;margin:16px auto;padding:12px 16px;border-radius:6px}.ab-ok{background:#edf7ed;border:1px solid #9ad29a}.ab-error{background:#fdecec;border:1px solid #ef9a9a}