@font-face { font-family: 'Manrope'; font-weight: 700; font-style: normal; font-display: swap; src: url('../fuentes/manrope-700-marca-v1.woff2') format('woff2'); }
:root {
  --navy: #241829; --navy2: #150C17; --vino: #79122F; --vino-osc: #5A0D22; --oro: #F0B424; --oro-osc: #6B4600;
  --texto: #241828; --suave: #584A5C; --linea: #DCD2C8; --fondo: #F6F1E8; --blanco: #FFFFFF; --oro-suave: #FBF5EA;
  --ok-fg: #14532D; --ok-bg: #E6F4EA; --mal-fg: #7A1020; --mal-bg: #FCE8EA; --aviso-bg: #FFF4D6;
  --fuente: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
* { box-sizing: border-box; }
html { font-size: 100%; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--fuente); color: var(--texto); background: var(--fondo); line-height: 1.55; font-size: 1.0625rem; }
h1, h2, h3 { line-height: 1.2; color: var(--navy); }
h1 { font-size: clamp(1.6rem, 4.5vw, 2.4rem); margin: 0 0 .5rem; }
h2 { font-size: clamp(1.3rem, 3.2vw, 1.7rem); margin: 2rem 0 .75rem; }
h3 { font-size: 1.15rem; margin: 0 0 .5rem; }
a { color: var(--vino); text-underline-offset: 3px; }
a:hover { color: var(--vino-osc); }
:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; box-shadow: 0 0 0 6px var(--oro); border-radius: 3px; }
.pie :focus-visible, .saltar:focus-visible { outline-color: #fff; box-shadow: 0 0 0 6px var(--vino); }
.solo-lector { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.saltar { position: absolute; left: .5rem; top: -4rem; background: var(--navy); color: #fff; padding: .6rem 1rem; z-index: 100; border-radius: 4px; }
.saltar:focus { top: .5rem; }
.contenedor { width: 100%; max-width: 72rem; margin: 0 auto; padding: 0 1rem; }
.barra-demo { background: var(--oro); color: var(--navy); font-size: .9rem; font-weight: 600; padding: .4rem 0; }
.barra-demo .contenedor { display: flex; gap: .5rem 1rem; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.demo-switch { display: inline-flex; gap: .5rem; align-items: center; font-weight: 600; }
.demo-switch { min-height: 44px; }
.demo-switch input { width: 1.5rem; height: 1.5rem; }
.cabecera { background: var(--navy); color: #fff; }
.cabecera .contenedor { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; padding-top: .6rem; padding-bottom: .6rem; }
.marca { font-weight: 800; color: #fff; text-decoration: none; font-size: 1.2rem; display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; }
.marca img { display: block; width: 36px; height: 36px; }
.beta { font-size: .75rem; font-weight: 700; color: var(--navy); background: var(--oro); border-radius: 4px; padding: .05rem .4rem; letter-spacing: .04em; text-transform: uppercase; }
.mini { display: inline-block; font-size: .78rem; font-weight: 700; border: 1px solid currentColor; border-radius: 999px; padding: 0 .45rem; margin-left: .15rem; line-height: 1.5; }
.cabecera .mini { color: var(--oro); }
.marca:hover { color: var(--oro); }
.cabecera nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem .5rem; margin: 0; padding: 0; }
.cabecera nav a { color: #fff; text-decoration: none; padding: .55rem .7rem; display: inline-block; min-height: 44px; border-radius: 4px; }
.cabecera nav a:hover, .cabecera nav a[aria-current="page"] { background: rgba(255,255,255,.14); text-decoration: underline; }
.cabecera .cabecera-acciones { margin-left: auto; display: flex; gap: .5rem; flex-wrap: wrap; }
.cabecera :focus-visible { outline-color: #fff; box-shadow: 0 0 0 6px var(--vino); }
main { padding: 1.5rem 0 3rem; min-height: 60vh; }
.migas { font-size: .95rem; color: var(--suave); margin-bottom: 1rem; }
.lead { color: var(--suave); max-width: 60rem; }
.btn { font: inherit; font-weight: 600; min-height: 44px; padding: .55rem 1.1rem; border: 2px solid var(--navy); background: var(--blanco); color: var(--navy); border-radius: 6px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: .4rem; }
.btn:hover:not(:disabled) { background: var(--oro-suave); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primario { background: var(--vino); border-color: var(--vino); color: #fff; }
.btn-primario:hover:not(:disabled) { background: var(--vino-osc); }
.btn-suave { border-style: dashed; }
.btn-propina { border-color: var(--oro-osc); color: var(--oro-osc); background: transparent; font-weight: 500; }
.cabecera .btn { background: transparent; color: #fff; border-color: #fff; }
.cabecera .btn:hover { background: rgba(255,255,255,.14); }
.acciones { display: flex; flex-wrap: wrap; gap: .6rem; margin: .8rem 0; }
.cuadricula { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr)); list-style: none; padding: 0; margin: 0; }
.ficha { background: var(--blanco); border: 1px solid var(--linea); border-radius: 10px; padding: 1.1rem; display: flex; flex-direction: column; gap: .5rem; }
.ficha h2, .bloqueo h2 { font-size: 1.15rem; margin: 0 0 .5rem; }
.ficha h2 a, .ficha h3 a { text-decoration: none; color: var(--navy); }
.ficha h2 a:hover, .ficha h3 a:hover { text-decoration: underline; }
.etiqueta { display: inline-block; font-size: .85rem; font-weight: 700; padding: .15rem .6rem; border-radius: 999px; border: 1px solid var(--navy); }
.etiqueta.piloto { background: var(--oro); color: var(--navy); }
.etiqueta.proximamente { background: #E9E3D8; color: var(--suave); border-color: var(--suave); }
.etiqueta.plus { background: var(--navy); color: #fff; }
.etiqueta.abierto { background: var(--ok-bg); color: var(--ok-fg); border-color: var(--ok-fg); }
.meta { color: var(--suave); font-size: .95rem; margin: 0; }
.lista-labs { margin: .3rem 0 0; padding-left: 1.2rem; }
.capa { background: var(--blanco); border: 1px solid var(--linea); border-radius: 10px; padding: 1rem 1.1rem 1.25rem; margin: 1.25rem 0; }
.capa h2 { margin-top: .25rem; }
.saltos ul { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0 0 .5rem; }
.saltos a { display: inline-block; padding: .5rem .9rem; min-height: 44px; border: 1px solid var(--linea); border-radius: 999px; background: var(--blanco); }
.controles { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); margin-bottom: 1rem; }
.campo label, fieldset legend { font-weight: 600; display: block; margin-bottom: .3rem; }
input[type=text], select, textarea { font: inherit; width: 100%; min-height: 44px; padding: .5rem .7rem; border: 2px solid var(--navy); border-radius: 6px; background: #fff; color: var(--texto); }
textarea { resize: vertical; }
input[type=range] { width: 100%; min-height: 44px; accent-color: var(--vino); }
.fila-rango { display: flex; align-items: center; gap: .75rem; }
.fila-rango output { min-width: 5.5rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.ayuda { color: var(--suave); font-size: .92rem; margin: .3rem 0 0; }
.figura { margin: 1rem 0; padding: 0; }
.figura svg { display: block; width: 100%; background: #fff; border-radius: 6px; }
.figura figcaption { color: var(--suave); font-size: .92rem; margin-top: .4rem; }
.desc-grafica { color: var(--suave); font-size: .95rem; }
.lectura { background: var(--oro-suave); border-left: 5px solid var(--oro); padding: .6rem .9rem; border-radius: 4px; }
.lectura p { margin: .3rem 0; }
.detalles { margin: 1rem 0; }
.detalles summary { cursor: pointer; font-weight: 600; min-height: 44px; display: flex; align-items: center; }
.tabla-scroll { overflow-x: auto; max-width: 100%; position: relative; }
.tabla-datos, .tabla-asignar { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
.tabla-datos caption, .tabla-asignar caption { text-align: left; font-weight: 600; padding: .4rem 0; }
.tabla-datos th, .tabla-datos td, .tabla-asignar th, .tabla-asignar td { border: 1px solid var(--linea); padding: .45rem .6rem; text-align: left; vertical-align: top; }
.tabla-datos thead th, .tabla-asignar thead th { background: var(--oro-suave); }
.tabla-datos tr.activa { background: var(--aviso-bg); font-weight: 700; }
.tabla-asignar select { min-width: 10rem; }
.ejercicio { border: 1px solid var(--linea); border-left: 6px solid var(--navy); border-radius: 8px; padding: .9rem 1rem 1rem; margin: 1rem 0; background: #fff; }
.ejercicio.resuelto { border-left-color: var(--ok-fg); }
.enunciado blockquote { margin: .5rem 0; padding: .5rem .9rem; border-left: 4px solid var(--oro); background: var(--oro-suave); }
.enunciado .nota, .nota { color: var(--suave); font-size: .95rem; }
.opciones { border: 0; padding: 0; margin: .5rem 0; min-width: 0; }
.opciones.en-linea { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; }
.opcion { display: flex; gap: .6rem; align-items: flex-start; padding: .45rem .3rem; min-height: 44px; cursor: pointer; }
.opcion input { width: 1.5rem; height: 1.5rem; margin-top: .15rem; flex: none; accent-color: var(--vino); }
.estado-ej { margin-top: .6rem; }
.estado-ej.ok { background: var(--ok-bg); color: var(--ok-fg); border: 1px solid var(--ok-fg); border-radius: 6px; padding: .5rem .8rem; }
.estado-ej.mal { background: var(--mal-bg); color: var(--mal-fg); border: 1px solid var(--mal-fg); border-radius: 6px; padding: .5rem .8rem; }
.estado-ej.aviso { background: var(--aviso-bg); border: 1px solid var(--oro-osc); border-radius: 6px; padding: .5rem .8rem; }
.estado-ej p { margin: .3rem 0; }
.veredicto { font-weight: 800; }
.detalle { padding-left: 1.1rem; margin: .3rem 0; }
.detalle li.ok { color: var(--ok-fg); } .detalle li.mal { color: var(--mal-fg); }
.senales { list-style: none; padding: 0; } .senales li { padding: .35rem .6rem; margin: .3rem 0; border-radius: 4px; }
.senales li.ok { background: var(--ok-bg); color: var(--ok-fg); } .senales li.mal { background: var(--mal-bg); color: var(--mal-fg); }
.lista-pistas { margin: .6rem 0 0; padding-left: 1.3rem; }
.lista-pistas li { background: var(--aviso-bg); padding: .4rem .6rem; margin: .3rem 0; border-radius: 4px; list-style-position: inside; }
.aviso-integridad, .solucion { background: var(--aviso-bg); border: 2px solid var(--oro-osc); border-radius: 8px; padding: .7rem 1rem; margin-top: .7rem; }
.solucion { background: #fff; border-color: var(--navy); }
.bloqueo { background: var(--oro-suave); border: 2px dashed var(--navy); border-radius: 10px; padding: 1rem; }
.bloqueo h2, .bloqueo h3 { display: flex; gap: .5rem; align-items: center; }
.lim sub { font-size: .75em; }
.tarjeta-flash { background: #fff; border: 2px solid var(--navy); border-radius: 12px; padding: 1.25rem; min-height: 11rem; font-size: 1.2rem; display: flex; flex-direction: column; justify-content: center; gap: .75rem; }
.tarjeta-flash .cara { font-size: .85rem; font-weight: 700; color: var(--suave); text-transform: uppercase; letter-spacing: .04em; }
.resumen-mazo { display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; padding: 0; margin: .5rem 0 1rem; }
.resumen-mazo li { background: #fff; border: 1px solid var(--linea); border-radius: 8px; padding: .5rem .9rem; }
.botones-calidad { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
.botones-calidad .btn { justify-content: center; }
.insignia-demo { font-size: .8rem; border: 1px dashed var(--navy); padding: .05rem .4rem; border-radius: 4px; }
dialog { border: 3px solid var(--navy); border-radius: 12px; padding: 0; width: min(92vw, 34rem); max-height: 90vh; color: var(--texto); background: #fff; }
dialog::backdrop { background: rgba(21, 12, 23, .65); }
.dlg-cuerpo { padding: 1rem 1.25rem 1.25rem; overflow-y: auto; max-height: 88vh; }
.dlg-cuerpo h2 { margin-top: 0; }
.importes { display: flex; flex-wrap: wrap; gap: .6rem; margin: .8rem 0; }
.btn-google, .btn-ms { width: 100%; justify-content: center; margin: .35rem 0; }
.btn-google svg, .btn-ms svg { width: 1.3rem; height: 1.3rem; flex: none; }
.pie { background: var(--navy); color: #fff; padding: 1.5rem 0; }
.pie a { color: #fff; display: inline-block; padding: .5rem .25rem; min-height: 44px; }
.pie-enlaces { list-style: none; display: flex; flex-wrap: wrap; gap: 0 1rem; margin: 0; padding: 0; }
.borrador { background: var(--aviso-bg); border: 2px solid var(--oro-osc); border-radius: 8px; padding: .7rem 1rem; }
code { font-family: ui-monospace, Consolas, monospace; font-size: .95em; background: var(--oro-suave); padding: 0 .25rem; border-radius: 3px; }
main ul:not([class]) li, main ol li { margin: .25rem 0; }
main { overflow-wrap: break-word; }
main.contenedor { padding-top: 1.5rem; padding-bottom: 3rem; }
.pie p { margin: .3rem 0; }
.firma { font-family: 'Manrope', var(--fuente); font-weight: 700; font-size: 1.15rem; color: #FBF5EA; letter-spacing: -.01em; }
.firma .dos { color: var(--oro); }
.ficha-pregunta { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
.cod-enlace { word-break: break-all; background: #fff; border: 2px solid var(--navy); border-radius: 6px; padding: .6rem; font-family: ui-monospace, Consolas, monospace; font-size: .95rem; }
@media (max-width: 30rem) { body { font-size: 1rem; } .botones-calidad { grid-template-columns: repeat(2, 1fr); } .cabecera .cabecera-acciones { margin-left: 0; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
@media (forced-colors: active) { .btn, input, select, textarea { border: 2px solid ButtonText; } }