/* DenaviLAB · estilos de la portada y la guía. La app (app.html) lleva los suyos dentro. */
:root {
  --bg: #14131b; --surface: #1d1b26; --surface-2: #26232f; --line: #322e3f;
  --text: #ede9f3; --muted: #9b95ab;
  --accent: #e8a94a; --accent-ink: #1a1207;
  --ok: #6fbf9a; --err: #ff8a8a;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --display: "Bricolage Grotesque", "Avenir Next", "Helvetica Neue", sans-serif;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f1ed; --surface: #ffffff; --surface-2: #f7f5f1; --line: #dcd8d0;
    --text: #1e1b28; --muted: #6d6879;
    --accent: #b8731a; --accent-ink: #fff;
    --ok: #2f8f63; --err: #b3261e;
    --shadow: 0 10px 30px rgba(40,30,10,.10);
  }
}
* { box-sizing: border-box; }
a, button, select, input, textarea, .door, .navlink, .mtab, .step > summary, .leccion > summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
body { overflow-x: hidden; }
@media (max-width: 700px) { input, select, textarea, dialog input { font-size: 16px !important; } }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--body); font-size: 15px; line-height: 1.5; }
.wrap { max-width: 820px; margin: 0 auto; padding: 40px 20px 56px; }

/* ── Cabecera ── */
.mark { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
h1 { font-family: var(--display); font-weight: 700; font-size: clamp(32px, 7vw, 46px); letter-spacing: -.02em; margin: 0; }
.mark .who { font-family: var(--mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; padding: 3px 10px; }
.lede { font-size: 17px; max-width: 58ch; margin: 0 0 14px; text-wrap: pretty; }
.sub { font-size: 14px; color: var(--muted); max-width: 62ch; margin: 4px 0 18px; text-wrap: pretty; }
.lede b { color: var(--accent); font-weight: 600; }

.oye { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 40px; }
.oye a { text-decoration: none; font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase;
         color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 7px 13px; transition: border-color .15s, color .15s; }
.oye a:hover, .oye a:focus-visible { border-color: var(--accent); color: var(--accent); }

/* ── Las dos puertas ── */
.doors { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; margin: 0 0 14px; }
.door { display: grid; gap: 6px; align-content: start; text-decoration: none; color: var(--text);
        background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px; box-shadow: var(--shadow); transition: border-color .15s, transform .15s; }
.door:hover, .door:focus-visible { border-color: var(--accent); transform: translateY(-2px); }
.door:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.door.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.door .t { font-family: var(--display); font-weight: 700; font-size: 21px; }
.door .d { font-size: 13.5px; color: var(--muted); }
.door.primary .d { color: var(--accent-ink); opacity: .85; }
.door .go { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; margin-top: 6px; }
  .accesos-lbl { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 6px 0 8px; }
  .door .ico { width: 26px; height: 26px; color: var(--accent); margin-bottom: 2px; }
  .door.primary .ico { color: var(--accent-ink); }
  .door .ico svg { width: 100%; height: 100%; display: block; }
  .acceso-invitado { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin: 2px 0 24px; }
  .acceso-invitado .ai-ico { width: 22px; height: 22px; color: var(--muted); flex: 0 0 auto; }
  .acceso-invitado .ai-ico svg { width: 100%; height: 100%; }
  .acceso-invitado .ai-txt { display: grid; gap: 1px; flex: 1 1 220px; min-width: 0; }
  .acceso-invitado .ai-t { font-family: var(--display); font-weight: 700; font-size: 14px; }
  .acceso-invitado .ai-d { font-size: 12.5px; color: var(--muted); }
  .ai-btn { font: inherit; font-family: var(--mono); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; cursor: pointer; flex: 0 0 auto;
            background: transparent; color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 8px 13px; transition: border-color .15s, color .15s; }
  .ai-btn:hover, .ai-btn:focus-visible { border-color: var(--accent); color: var(--accent); }
  a.ai-btn { display: inline-block; text-decoration: none; }
  .ai-elige { flex: 1 1 100%; display: grid; gap: 8px; margin-top: 4px; padding-top: 12px; border-top: 1px solid var(--line); }
  .ai-elige-lbl { font-size: 12.5px; color: var(--muted); }
  .ai-elige-btns { display: flex; flex-wrap: wrap; gap: 8px; }
  .ai-elige-btns .ai-btn { flex: 1 1 auto; text-align: center; }

/* ── Estado de la sesión ── */
.sesion { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin: 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sesion .candado { color: var(--accent); }
.sesion button { font: inherit; background: none; border: none; border-bottom: 1px solid var(--line); color: var(--text); cursor: pointer; padding: 0 0 1px; }
.sesion button:hover { border-color: var(--accent); color: var(--accent); }

/* ── Guía ── */
.navbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; padding-bottom: 10px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.navlink { font: inherit; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
           background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 5px 10px; color: var(--text); text-decoration: none; cursor: pointer; }
.navlink:hover, .navlink:focus-visible { border-color: var(--accent); color: var(--accent); }
.navsesion { margin-left: auto; }
@media (max-width: 700px) { .navsesion { margin-left: 0; flex-basis: 100%; } }
section { margin-bottom: 40px; }
h2 { font-family: var(--display); font-weight: 700; font-size: 22px; margin: 0 0 6px; }
.intro { color: var(--muted); max-width: 64ch; margin: 0 0 18px; }
.steps { display: grid; gap: 10px; counter-reset: paso; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.step > summary { cursor: pointer; padding: 14px 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 4px 14px; align-items: center; list-style: none; }
.step > summary::-webkit-details-marker { display: none; }
.step > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.step .num { counter-increment: paso; font-family: var(--mono); font-size: 12px; color: var(--accent-ink); background: var(--accent); width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; }
.step .num::before { content: counter(paso); }
.step .ti { font-family: var(--display); font-weight: 700; font-size: 17px; }
.step .why { grid-column: 2; font-size: 13.5px; color: var(--muted); }
.step .chev { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.step[open] .chev { color: var(--accent); }
.step .body { display: grid; gap: 10px; border-top: 1px solid var(--line); padding-top: 14px; margin: 0 16px 16px 54px; }
.step .body p { margin: 0; max-width: 66ch; }
.step .body b { color: var(--text); font-weight: 600; }
.step .body .tip { border-left: 3px solid var(--ok); padding-left: 10px; color: var(--muted); font-size: 13.5px; }
.step .body .tip b { color: var(--ok); }
.btn { justify-self: start; text-decoration: none; font-family: var(--body); font-weight: 600; font-size: 14px;
       background: var(--accent); color: var(--accent-ink); border-radius: 6px; padding: 8px 14px; display: inline-block; border: 1px solid var(--accent); cursor: pointer; }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); font-weight: 400; }
.btn.ghost:hover { border-color: var(--accent); }

.needs { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; }
.needs ul { margin: 0; padding-left: 18px; display: grid; gap: 7px; }
.needs li { max-width: 70ch; }
code { font-family: var(--mono); font-size: .9em; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px; }

footer { border-top: 1px solid var(--line); padding-top: 18px; margin-top: 40px; color: var(--muted); font-size: 13px; display: flex; flex-wrap: wrap; gap: 6px 18px; justify-content: space-between; }
footer a { color: var(--muted); }

/* ── Puerta con llave ── */
dialog { background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 12px; padding: 0;
         box-shadow: var(--shadow); width: min(380px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0,0,0,.6); }
dialog form { padding: 22px; display: grid; gap: 14px; }
dialog h2 { margin: 0; font-size: 20px; }
dialog .por { color: var(--muted); font-size: 13.5px; margin: -6px 0 0; }
dialog label { display: grid; gap: 5px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
dialog input { font: inherit; font-family: var(--body); font-size: 15px; text-transform: none; letter-spacing: normal;
               background: var(--surface-2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 9px 11px; width: 100%; }
dialog input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
dialog .fila { display: flex; gap: 8px; justify-content: flex-end; align-items: center; }
dialog .error { color: var(--err); font-size: 13px; min-height: 1.2em; margin: -6px 0 0; }

@media (max-width: 700px) {
  .wrap { padding: 28px 16px 44px; }
  .doors { grid-template-columns: 1fr; }
  .step > summary { grid-template-columns: auto 1fr; }
  .step .chev { display: none; }
  .step .body { margin-left: 16px; }
}

/* ── Rutas personalizadas: sólo se ve la del que entró ── */
.continuar { margin-top: 22px; display: flex; }
.continuar .btn { flex: 0 0 auto; }
[data-para] { display: none; }
html[data-quien="schair"]  [data-para~="schair"],
html[data-quien="rolando"] [data-para~="rolando"] { display: block; }
/* los <li> deben recuperar su viñeta, no volverse bloque */
html[data-quien="schair"]  li[data-para~="schair"],
html[data-quien="rolando"] li[data-para~="rolando"] { display: list-item; }

.quien { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 4px; }

/* ── Paso todavía no construido ── */
.step.pendiente { border-style: dashed; }
.step.pendiente .num { background: transparent; border: 1px dashed var(--muted); color: var(--muted); }
.step.pendiente .ti { color: var(--muted); }
.step.pendiente .marca { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; margin-left: 8px; white-space: nowrap; }
.aviso { border-left: 3px solid var(--accent); padding-left: 10px; color: var(--muted); font-size: 13.5px; }
.aviso b { color: var(--accent); }

/* ── Lecciones adaptadas de las guías ── */
.leccion { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.leccion > summary { cursor: pointer; padding: 12px 16px; display: grid; grid-template-columns: auto 1fr auto; gap: 3px 12px; align-items: center; list-style: none; }
.leccion > summary::-webkit-details-marker { display: none; }
.leccion > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.leccion .lec { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); background: var(--accent); border-radius: 999px; padding: 2px 8px; white-space: nowrap; }
.leccion .ti { font-family: var(--display); font-weight: 700; font-size: 16px; }
.leccion .de { grid-column: 2; font-size: 13px; color: var(--muted); }
.leccion .cuerpo { border-top: 1px solid var(--line); margin: 0 16px 14px; padding-top: 12px; display: grid; gap: 9px; }
.leccion .cuerpo p { margin: 0; max-width: 68ch; }
.leccion .parte { font-family: var(--mono); font-size: 10px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.leccion .cuerpo .err { border-left: 3px solid var(--err); padding-left: 10px; color: var(--muted); font-size: 13.5px; }
.leccion .cuerpo .err b { color: var(--err); }
.leccion .cuerpo .chk { border-left: 3px solid var(--ok); padding-left: 10px; color: var(--muted); font-size: 13.5px; }
.leccion .cuerpo .chk b { color: var(--ok); }
.lecciones { display: grid; gap: 9px; }
.fuente { color: var(--muted); font-size: 12.5px; font-style: italic; margin: 0 0 16px; }
@media (max-width: 700px) { .leccion > summary { grid-template-columns: auto 1fr; } }

/* ── Archivo ── */
.coleccion { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; display: grid; gap: 8px; justify-items: start; margin-bottom: 10px; }
.col-cab { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; width: 100%; }
.col-ti { font-family: var(--display); font-weight: 700; font-size: 17px; }
.col-n { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.col-pie { margin: 0; color: var(--muted); font-size: 13px; }
.col-items { display: flex; flex-wrap: wrap; gap: 6px; }
.col-items .item { font-family: var(--mono); font-size: 11.5px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; }
.archivos { display: grid; gap: 8px; }
.archivo { display: grid; grid-template-columns: auto minmax(0,1fr) auto; gap: 12px; align-items: center; text-decoration: none; color: var(--text);
           background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; transition: border-color .15s; }
.archivo:hover, .archivo:focus-visible { border-color: var(--accent); }
.arch-tipo { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; color: var(--accent-ink); background: var(--accent); border-radius: 4px; padding: 3px 7px; }
.arch-med { display: grid; gap: 2px; min-width: 0; }
.arch-nom { font-weight: 600; }
.arch-notas { font-size: 12.5px; color: var(--muted); }
.arch-meta { font-family: var(--mono); font-size: 11px; color: var(--muted); white-space: nowrap; }
@media (max-width: 700px) { .archivo { grid-template-columns: auto minmax(0,1fr); } .arch-meta { grid-column: 2; } }

/* ── Quién es quién ── */
.integrantes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; margin: 0 0 22px; }
.integrante { display: grid; gap: 3px; align-content: start; }
.integrante .nom { font-family: var(--display); font-weight: 700; font-size: 15.5px; }
.integrante .hace { color: var(--muted); font-size: 13.5px; max-width: 42ch; }
@media (max-width: 700px) { .integrantes { grid-template-columns: 1fr; gap: 14px; } }

/* ── Texto de lectura justificado ── */
.lede, .intro, .integrante .hace,
.step .body p, .leccion .cuerpo p,
.needs li, .fuente {
  text-align: justify;
  text-justify: inter-word;
  hyphens: auto;
}

/* Ver clave, invitado */
.campo-clave { position: relative; display: block; }
.campo-clave input { width: 100%; padding-right: 58px; }
.ver-clave { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font: inherit; font-family: var(--mono); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; background: var(--surface); color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 4px 8px; cursor: pointer; }
.ver-clave:hover, .ver-clave[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.fila-invitado { display: flex; align-items: center; justify-content: space-between; gap: 10px; border-top: 1px solid var(--line); margin-top: 4px; padding-top: 12px; }
.fila-invitado span { font-size: 12.5px; color: var(--muted); }
.invitado-nota { font-size: 13px; color: var(--muted); max-width: 62ch; margin: 0 0 12px; border-left: 3px solid var(--key-line); padding-left: 10px; }
.invitado-nota b { color: var(--text); }

/* Visibilidad por rol en el Archivo */
.solo-invitado { display: none; }
html[data-quien="invitado"] .solo-banda { display: none; }
html[data-quien="invitado"] .solo-invitado { display: block; }
/* ── Modo principiante (guía) ── */
.principiante { border: 1px solid var(--accent); border-radius: 14px; padding: 20px 22px; margin: 6px 0 30px; background: var(--surface-2); }
.prin-pasos { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 10px; }
.prin-paso { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); overflow: hidden; opacity: .5; }
.prin-paso.abierto { opacity: 1; }
.prin-cab { display: flex; align-items: center; gap: 10px; padding: 12px 14px; }
.prin-num { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; background: var(--line); color: var(--text); display: grid; place-items: center; font-family: var(--mono); font-size: 13px; }
.prin-paso.abierto .prin-num { background: var(--accent); color: var(--accent-ink); }
.prin-paso.hecho .prin-num::after { content: '✓'; }
.prin-paso.hecho .prin-num { font-size: 0; }
.prin-paso.hecho .prin-num::after { font-size: 14px; }
.prin-t { font-family: var(--display); font-weight: 700; font-size: 15px; }
.prin-cuerpo { padding: 0 14px 14px 50px; display: none; }
.prin-paso.abierto .prin-cuerpo { display: block; }
.prin-cuerpo p { margin: 6px 0; font-size: 14px; }
.prin-cuerpo .tip { font-size: 13px; color: var(--muted); }
.prin-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.prin-chips button { font: inherit; font-size: 13px; cursor: pointer; background: var(--surface-2); color: var(--text); border: 1px solid var(--line); border-radius: 20px; padding: 7px 14px; transition: border-color .15s, background .15s; }
.prin-chips button:hover, .prin-chips button.sel { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
.prin-chips button small { display: block; font-size: 10.5px; opacity: .8; margin-top: 1px; }
.prin-eco { font-size: 13px; color: var(--accent); min-height: 1em; }
.prin-mas { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.prin-reset { margin: 16px 0 0; text-align: right; }
.prin-reset button { font: inherit; font-size: 12px; color: var(--muted); background: none; border: none; cursor: pointer; text-decoration: underline; }

/* consejos de artistas en el modo principiante */
.prin-cita { margin: 10px 0 0; padding: 10px 12px; border-left: 3px solid var(--accent); background: var(--surface-2); border-radius: 0 8px 8px 0; font-size: 13px; }
.prin-cita .prin-quien { display: block; margin-top: 4px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .03em; color: var(--accent); text-transform: uppercase; }

/* Modo principiante · revelado de a un paso */
.prin-progreso { display: flex; align-items: center; gap: 12px; margin: 0 0 16px; }
.prin-progreso-txt { font-family: var(--mono); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); flex: 0 0 auto; }
.prin-barra { flex: 1 1 auto; height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; }
.prin-barra i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s ease; }
.prin-paso { opacity: 1; }
.prin-paso.hecho:not(.abierto) { opacity: .7; }
.prin-paso.activo { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
[hidden] { display: none !important; }   /* «hidden» siempre oculta, aunque la clase ponga display */
.prin-paso[hidden] { display: none !important; }
.prin-paso.hecho .prin-cab { cursor: pointer; }
.prin-paso.hecho .prin-cab::after { content: 'revisar +'; margin-left: auto; font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); flex: 0 0 auto; }
.prin-paso.hecho.abierto .prin-cab::after { content: 'ocultar \2212'; }
.prin-paso.hecho .prin-num { background: var(--ok); color: #06110c; }
.prin-seguir { margin-top: 14px; }

/* ───────── Trabajo guiado: cómo empezar, rutas con avance, ejemplos que suenan ───────── */
.guia-cab { margin: 6px 0 24px; }
.guia-h { font-family: var(--display); font-size: clamp(26px, 5vw, 36px); line-height: 1.1; margin: 0 0 14px; }
.guia-elige { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; margin: 0 0 14px; }
.guia-opcion { font: inherit; text-align: left; cursor: pointer; display: grid; gap: 4px; align-content: start; background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.guia-opcion b { font-family: var(--display); font-size: 18px; }
.guia-opcion span { color: var(--muted); font-size: 13.5px; }
.guia-opcion:hover { border-color: var(--accent); }
.guia-opcion:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.guia-opcion[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); background: var(--surface-2); }
html[data-quien="rolando"] .guia-opcion[data-para~="rolando"], html[data-quien="schair"] .guia-opcion[data-para~="schair"] { display: grid; }
.antes { padding: 12px 18px; }
.antes-t { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.antes li { font-size: 13.5px; }
.antes .ojo b { color: var(--accent); }
.prin-nota { font-size: 12px; color: var(--muted); font-style: italic; margin: 14px 0 0; }
.prin-detecta { font-size: 13px; color: var(--muted); margin: 10px 0 0; }
.prin-detecta.ok { color: var(--ok); font-weight: 600; }
.prin-detecta:empty { display: none; }
.ruta-progreso { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; }
.ruta-progreso-txt { font-family: var(--mono); font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); flex: 0 0 auto; }
.ruta-barra { flex: 1 1 auto; height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; }
.ruta-barra i { display: block; height: 100%; width: 0; background: var(--ok); transition: width .3s ease; }
.step.hecho .num { background: var(--ok); }
.step .body .en-corto { margin: 0; padding-left: 18px; display: grid; gap: 5px; max-width: 64ch; }
.step .body .en-corto li { font-size: 14.5px; }
.paso-pie { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 14px; }
.paso-hecho { font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.step .body .paso-estado { font-size: 13px; color: var(--ok); }
.step .body .paso-estado:empty { display: none; }
.mas { border-top: 1px dashed var(--line); padding-top: 8px; }
.mas > summary { cursor: pointer; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); list-style: none; }
.mas > summary::-webkit-details-marker { display: none; }
.mas > summary::before { content: "+ "; }
.mas[open] > summary { color: var(--accent); margin-bottom: 8px; }
.mas[open] > summary::before { content: "− "; }
.step .body .mas > p { margin: 0 0 10px; }
.ejemplos { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.ejemplo { flex: 1 1 260px; max-width: 520px; display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; align-items: center; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; margin: 8px 0; }
.ejemplos .ejemplo { margin: 0; }
.ej-play { font: inherit; width: 38px; height: 38px; border-radius: 50%; border: none; background: var(--accent); color: var(--accent-ink); font-size: 14px; cursor: pointer; display: grid; place-items: center; }
.ej-play:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ejemplo.sonando { border-color: var(--accent); }
.ejemplo.sonando .ej-play { background: var(--text); color: var(--bg); }
.ej-info { display: grid; min-width: 0; }
.ej-info b { font-size: 14px; }
.ej-info span { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.ej-vista { grid-column: 1 / -1; display: grid; gap: 3px; }
.ej-fila { display: grid; grid-template-columns: 50px repeat(16, minmax(0, 1fr)); gap: 2px; align-items: center; }
.ej-fila.ocho { grid-template-columns: 50px repeat(8, minmax(0, 1fr)); }
.ej-fila > span { font-family: var(--mono); font-size: 10px; color: var(--muted); }
.ej-c { display: block; height: 13px; border-radius: 3px; background: var(--line); opacity: .5; }
.ej-c.tiempo { opacity: .85; }
.ej-c.on { background: var(--accent); opacity: 1; }
.ej-c.ahora { box-shadow: 0 0 0 2px var(--text); }
.ej-acordes { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 2px; }
.ej-ac { font-family: var(--mono); font-size: 12px; padding: 3px 9px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); }
.ej-ac.ahora { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* ───────── Trabajo guiado · cabecera que se encoge, «Siguiente paso», pestañas y línea de tiempo ───────── */
.pag-guia .intro, .pag-guia .step .body p, .pag-guia .leccion .cuerpo p, .pag-guia .needs li, .pag-guia .fuente { text-align: left; hyphens: manual; }
.guia-safari { background: var(--surface); border: 1px solid var(--err); border-left-width: 4px; border-radius: 10px; padding: 10px 14px; margin: 0 0 14px; font-size: 14px; }
.guia-safari b { color: var(--err); }
.guia-opcion { transition: border-color .15s, background .15s, transform .15s; box-shadow: var(--shadow); }
.guia-opcion:hover { transform: translateY(-1px); }
.antes > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 6px; }
.antes > summary::-webkit-details-marker { display: none; }
.antes > summary::after { content: "+"; font-size: 13px; }
.antes[open] > summary::after { content: "\2212"; }
.antes > summary.antes-t { margin: 0; }
.antes[open] > summary.antes-t { margin-bottom: 8px; }
.antes > summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.guia-cab.compacta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; margin: 0 0 22px; }
.guia-cab.compacta .quien { margin: 0; }
.guia-cab.compacta .guia-h { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.guia-cab.compacta .guia-safari { flex-basis: 100%; margin: 0; }
.guia-cab.compacta .guia-elige { display: inline-flex; gap: 2px; margin: 0; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); }
.guia-cab.compacta .guia-opcion { display: inline-flex; padding: 6px 14px; border: none; border-radius: 999px; background: transparent; box-shadow: none; transform: none; color: var(--muted); font-size: 13.5px; font-weight: 600; }
.guia-cab.compacta .guia-opcion > * { display: none !important; }
.guia-cab.compacta .guia-opcion::before { content: attr(data-corto); }
.guia-cab.compacta .guia-opcion:hover { color: var(--text); }
.guia-cab.compacta .guia-opcion[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.guia-cab.compacta .antes { margin-left: auto; padding: 0; background: none; border: none; }
.guia-cab.compacta .antes > summary { border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; }
.guia-cab.compacta .antes > summary:hover { border-color: var(--accent); color: var(--accent); }
.guia-cab.compacta .antes[open] { flex-basis: 100%; margin-left: 0; background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 18px; }
.guia-cab.compacta .antes[open] > summary { border: none; padding: 0; }

.ruta-sigue { display: grid; gap: 8px; background: var(--surface); border: 1px solid var(--accent); border-left-width: 4px; border-radius: 14px; padding: 16px 18px; margin: 0 0 18px; box-shadow: var(--shadow); }
.ruta-sigue:empty { display: none; }
.ruta-sigue.completa { border-color: var(--ok); }
.rs-cab { display: flex; justify-content: space-between; align-items: baseline; gap: 4px 12px; flex-wrap: wrap; }
.rs-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.ruta-sigue.completa .rs-eyebrow { color: var(--ok); }
.rs-cuenta { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.rs-ti { font-family: var(--display); font-weight: 700; font-size: 23px; line-height: 1.15; margin: 0; }
.rs-why { margin: 0; color: var(--muted); max-width: 60ch; }
.rs-btns { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.rs-puntos { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; padding-top: 12px; border-top: 1px solid var(--line); }
.rs-punto { font: inherit; font-family: var(--mono); font-size: 12px; width: 32px; height: 32px; padding: 0; border-radius: 50%; display: grid; place-items: center; cursor: pointer;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); transition: border-color .15s, transform .15s; }
.rs-punto:hover { border-color: var(--accent); transform: translateY(-1px); }
.rs-punto:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.rs-punto.hecho { background: var(--ok); border-color: var(--ok); color: #06110c; }
.rs-punto.actual { border: 2px solid var(--accent); color: var(--text); font-weight: 600; }

.guia-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: 12px 0 18px; }
.guia-tabs[hidden] { display: none; }
.guia-tab { font: inherit; font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  background: none; color: var(--muted); border: none; border-bottom: 2px solid transparent; margin-bottom: -1px; padding: 8px 12px; }
.guia-tab:hover { color: var(--text); }
.guia-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: 6px 6px 0 0; }
.guia-tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }
.gt-n { font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 1px 7px; }
.tab-oculta { display: none !important; }
section.solo-cab { margin-bottom: 0; }
.en-pestana > h2 { display: none; }

.steps { position: relative; }
.steps::before { content: ""; position: absolute; left: 28px; top: 24px; bottom: 24px; width: 2px; background: var(--line); }
.step { position: relative; transition: border-color .15s, box-shadow .15s; }
.step > summary:hover .ti { color: var(--accent); }
.step .chev { transition: transform .2s ease; }
.step .chev::before { content: "\25BE"; font-size: 15px; }
.step[open] .chev { transform: rotate(180deg); }
.step.actual { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.step.saltado .ti { color: var(--muted); }
.step.saltado .num { background: transparent; border: 1px dashed var(--muted); color: var(--muted); }
.st-badge { font-family: var(--mono); font-size: 10px; font-weight: 500; letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; vertical-align: middle;
  color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; margin-left: 10px; }
.st-badge:empty { display: none; }
.st-badge.hecho { color: var(--ok); border-color: var(--ok); }
.st-badge.siguiente { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.step > summary:hover .st-badge { color: inherit; }
.step > summary:hover .st-badge.siguiente { color: var(--accent-ink); }
.paso-hecho { color: var(--text); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; transition: border-color .15s, color .15s; }
.paso-hecho:hover { border-color: var(--ok); }
.paso-hecho:has(input:checked) { color: var(--ok); border-color: var(--ok); }
.paso-hecho:has(input:disabled) { cursor: default; }
.paso-hecho input { accent-color: var(--ok); margin: 0; }
.paso-saltar { font: inherit; font-size: 13px; color: var(--muted); background: none; border: none; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; padding: 4px 2px; }
.paso-saltar:hover { color: var(--text); }
.paso-saltar[hidden] { display: none; }
.leccion.hecha .lec { background: var(--ok); }
.leccion .cuerpo .paso-pie { margin-top: 2px; }
.lec-progreso { margin: 0 0 12px; }
@media (max-width: 700px) {
  .rs-ti { font-size: 20px; }
  .guia-cab.compacta .antes { margin-left: 0; }
  .st-badge { margin-left: 6px; }
}

/* ── Trabajo guiado: elegir la forma (guiado o tutor) al entrar ── */
.forma-elige { margin: 6px 0 30px; }
.forma-opciones { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-top: 16px; }
.forma-opcion { font: inherit; text-align: left; cursor: pointer; display: grid; gap: 6px; align-content: start; min-height: 190px;
  background: var(--surface); color: var(--text); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: var(--shadow); transition: border-color .15s, transform .15s; }
.forma-opcion:hover, .forma-opcion:focus-visible { border-color: var(--accent); transform: translateY(-2px); }
.forma-opcion:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.forma-opcion b { font-family: var(--display); font-size: 23px; line-height: 1.15; }
.forma-opcion .fo-d { color: var(--muted); font-size: 14px; }
.fo-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.fo-ir { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; margin-top: auto; padding-top: 10px; }
.forma-opcion.tutor { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.forma-opcion.tutor .fo-eyebrow, .forma-opcion.tutor .fo-d { color: var(--accent-ink); opacity: .85; }
.guia-cambiar { font: inherit; font-size: 13px; background: none; border: none; color: var(--muted); cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px; }
.guia-cambiar:hover, .guia-cambiar:focus-visible { color: var(--accent); }
.guia-cab:not(.compacta) .guia-cambiar { display: inline-block; margin: 0 0 10px; }