/* DELE Prep · «Tinta y oro»: azul tinta para la acción, oro viejo solo para Pro y el rojo Cervantes reservado al logo.
   Tipografías propias (licencia OFL, en /fonts): Ibarra Real Nova para títulos (la letra de Joaquín Ibarra, impresor
   del Quijote de la Real Academia de 1780) y Jost para el texto. Contrastes verificados (WCAG AA o superior). */
@font-face { font-family: 'Ibarra Real Nova'; font-style: normal; font-display: swap; font-weight: 500; src: url(/fonts/ibarra-real-nova-latin-500-normal.woff2) format('woff2'); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Ibarra Real Nova'; font-style: normal; font-display: swap; font-weight: 600 800; src: url(/fonts/ibarra-real-nova-latin-600-normal.woff2) format('woff2'); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Ibarra Real Nova'; font-style: normal; font-display: swap; font-weight: 500 800; src: url(/fonts/ibarra-real-nova-latin-ext-600-normal.woff2) format('woff2'); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family: 'Ibarra Real Nova'; font-style: italic; font-display: swap; font-weight: 400 800; src: url(/fonts/ibarra-real-nova-latin-500-italic.woff2) format('woff2'); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Jost'; font-style: normal; font-display: swap; font-weight: 100 900; src: url(/fonts/jost-latin-wght-normal.woff2) format('woff2'); unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD; }
@font-face { font-family: 'Jost'; font-style: normal; font-display: swap; font-weight: 100 900; src: url(/fonts/jost-latin-ext-wght-normal.woff2) format('woff2'); unicode-range: U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }

/* ---------- Tokens. Tema automático según el sistema; Perfil › Apariencia fija data-theme. ---------- */
:root {
  --bg: #f6f4ef; --paper: #fbfaf7; --card: #ffffff; --ink: #0f172a; --muted: #4b5568; --line: #e3e0d8; --soft: #f0ede6;
  --accent: #14295e; --accent-ink: #fff; --accent-soft: #e7ecf6; --link: #1d4fb8;
  --brand: #a3172c;
  --gold: #8a5a0b; --gold-bright: #c9a24a; --gold-soft: #f5ecd8; --pro-bg: #0f172a; --pro-ink: #e9c876;
  --blue: #1d4fb8; --blue-soft: #e7eefb;
  --ok: #17703f; --bad: #b42318; --warn: #8a5a0b;
  --sheldon: #23335c; --sheldon-tint: #e3e8f4; --penny: #94500f; --penny-tint: #fbeedd;
  --tint: var(--accent-soft);
  --r-lg: 18px; --r-md: 14px; --r-sm: 10px;
  --shadow: 0 1px 2px rgba(15,23,42,.05), 0 12px 30px -20px rgba(15,23,42,.30);
  --shadow-up: 0 -10px 24px -18px rgba(15,23,42,.30);
  --serif: 'Ibarra Real Nova', 'Iowan Old Style', Georgia, serif;
  --sans: 'Jost', 'Segoe UI', system-ui, sans-serif;
  --ease: cubic-bezier(.2,.7,.2,1);
  --side: 264px;
  font-family: var(--sans);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0e16; --paper: #0e131e; --card: #131a28; --ink: #e9edf5; --muted: #9ba6b9; --line: #253048; --soft: #1a2233;
    --accent: #dfe7f7; --accent-ink: #0b1530; --accent-soft: #1c2742; --link: #9cb8ff;
    --brand: #e0707b;
    --gold: #e2b44f; --gold-bright: #ecc46b; --gold-soft: #2a2414; --pro-bg: #1b1606; --pro-ink: #ecc46b;
    --blue: #9cb8ff; --blue-soft: #18233d;
    --ok: #4fd08c; --bad: #ff8f86; --warn: #e2b44f;
    --sheldon: #a9bcef; --sheldon-tint: #1d2742; --penny: #f1a85d; --penny-tint: #2e2416;
    --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 16px 34px -22px rgba(0,0,0,.95); --shadow-up: 0 -10px 24px -18px rgba(0,0,0,.9);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0a0e16; --paper: #0e131e; --card: #131a28; --ink: #e9edf5; --muted: #9ba6b9; --line: #253048; --soft: #1a2233;
  --accent: #dfe7f7; --accent-ink: #0b1530; --accent-soft: #1c2742; --link: #9cb8ff;
  --brand: #e0707b;
  --gold: #e2b44f; --gold-bright: #ecc46b; --gold-soft: #2a2414; --pro-bg: #1b1606; --pro-ink: #ecc46b;
  --blue: #9cb8ff; --blue-soft: #18233d;
  --ok: #4fd08c; --bad: #ff8f86; --warn: #e2b44f;
  --sheldon: #a9bcef; --sheldon-tint: #1d2742; --penny: #f1a85d; --penny-tint: #2e2416;
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 16px 34px -22px rgba(0,0,0,.95); --shadow-up: 0 -10px 24px -18px rgba(0,0,0,.9);
  color-scheme: dark;
}

/* ---------- Base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100dvh; background: var(--bg); color: var(--ink); line-height: 1.6; font-size: 1.0625rem; font-weight: 400;
  background-image: radial-gradient(1200px 500px at 100% -10%, color-mix(in srgb, var(--gold-bright) 6%, transparent), transparent 60%); background-attachment: fixed; }
a { color: var(--link); text-underline-offset: 3px; }
h1, h2, h3, .big, .serif { font-family: var(--serif); letter-spacing: -.005em; line-height: 1.15; font-variant-numeric: lining-nums; font-feature-settings: 'lnum' 1; }
/* Cifras grandes (notas, cuenta atrás, precios) en la sans, con cifras tabulares. */
.big, .count b, .plan .price { font-family: var(--sans); font-weight: 600; letter-spacing: -.02em; font-variant-numeric: tabular-nums lining-nums; }
h1 { font-size: clamp(1.9rem, 1.5rem + 1.6vw, 2.6rem); font-weight: 600; margin: .15em 0 .45em; }
h2 { font-size: 1.42rem; font-weight: 600; margin: 1.3em 0 .55em; }
h3 { font-size: 1.1rem; font-weight: 600; }
.big { font-size: 2rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); } .small { font-size: .9rem; }
.ok { color: var(--ok); } .bad { color: var(--bad); } .warn { color: var(--warn); }
.err { color: var(--bad); min-height: 1.5em; }
[hidden] { display: none !important; }
.ic { width: 22px; height: 22px; flex: none; }
.ic.sm { width: 16px; height: 16px; vertical-align: -3px; }
.ic.xs { width: 12px; height: 12px; vertical-align: -1px; }
.ic .duo { fill: currentColor; stroke: none; opacity: .18; }
main:focus, main:focus-visible { outline: none; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 12px; z-index: 50; }
.skip:focus { left: 8px; }

/* ---------- Estructura: cabecera, navegación lateral (escritorio) y barra inferior (móvil) ---------- */
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 10px; min-height: 60px;
  padding: calc(8px + env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) 8px max(16px, env(safe-area-inset-left));
  background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px); -webkit-backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--line); }
.top::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: linear-gradient(90deg, transparent, var(--gold-bright) 30%, var(--gold-bright) 70%, transparent); opacity: .55; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--serif); font-weight: 600; font-size: 1.28rem; }
.logo { width: 34px; height: 34px; display: block; border-radius: 10px; box-shadow: 0 4px 10px -6px rgba(120,20,30,.6); }
.tools { margin-left: auto; display: flex; align-items: center; gap: 6px; }
#tools { display: contents; }
.iconbtn { min-width: 44px; min-height: 44px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; border-radius: var(--r-sm); color: var(--muted); background: transparent; padding: 0 6px; text-decoration: none; font-weight: 600; border: 0; cursor: pointer; }
.iconbtn small { font-size: .68rem; line-height: 1; }
.iconbtn:hover { background: var(--soft); color: var(--ink); }
select#langPick { width: auto; min-height: 40px; padding: 6px 10px; }
body.authed #themeBtn, body.authed #langPick { display: none; }

/* Chip del plan, siempre visible: oro sobre tinta para Pro, contorno dorado para invitar a Pro. */
.plan-chip { display: inline-flex; align-items: center; gap: 6px; min-height: 36px; padding: 0 12px; border-radius: 99px; font-weight: 700; font-size: .85rem; text-decoration: none; letter-spacing: .02em; white-space: nowrap; }
.plan-chip.pro { background: var(--pro-bg); color: var(--pro-ink); box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold-bright) 50%, transparent) inset; }
.plan-chip.free { color: var(--gold); background: var(--gold-soft); box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold) 40%, transparent) inset; }
.plan-chip .ic { width: 17px; height: 17px; }

#nav .side-brand, #nav .side-foot { display: none; }
.nav-items { display: flex; }
#nav a { text-decoration: none; color: var(--muted); font-weight: 600; display: flex; align-items: center; gap: 10px; border-radius: 12px; transition: background .18s var(--ease), color .18s var(--ease); -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
#nav a:hover { color: var(--ink); }
#nav a.on { color: var(--accent); }

main { max-width: 900px; margin: 0 auto; padding: 22px max(16px, env(safe-area-inset-right)) 56px max(16px, env(safe-area-inset-left)); }
.foot { text-align: center; color: var(--muted); padding: 16px 16px 24px; font-size: .85rem; }

/* Móvil y tableta: barra inferior de 5 secciones con etiqueta, respetando la zona segura. */
@media (max-width: 1023.98px) {
  #nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; background: color-mix(in srgb, var(--paper) 94%, transparent);
    backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
    border-top: 1px solid var(--line); box-shadow: var(--shadow-up); padding: 6px max(6px, env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(6px, env(safe-area-inset-left)); }
  .nav-items { justify-content: space-around; max-width: 640px; margin: 0 auto; }
  #nav .nav-items a { flex: 1 1 0; min-width: 0; min-height: 54px; flex-direction: column; justify-content: center; gap: 3px; font-size: .74rem; line-height: 1.1; padding: 4px 2px; }
  #nav .nav-items a span { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  #nav .nav-items a .ic { width: 26px; height: 26px; padding: 3px; box-sizing: content-box; border-radius: 99px; transition: background .2s var(--ease); width: 24px; height: 24px; }
  #nav .nav-items a.on .ic, #nav .nav-items a.on-m .ic { background: var(--accent-soft); padding: 3px 14px; }
  #nav .nav-items a.on-m { color: var(--accent); }
  #nav .nav-school { display: none !important; }
  body.authed { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }
  body.authed .foot { padding-bottom: 8px; }
}
@media (max-width: 380px) { .brand > span { display: none; } }

/* Escritorio: barra lateral fija con marca, secciones y el plan abajo. */
@media (min-width: 1024px) {
  body.authed { padding-left: var(--side); }
  body.authed .top { display: none; }
  #nav { position: fixed; top: 0; bottom: 0; left: 0; width: var(--side); z-index: 30; display: flex; flex-direction: column; gap: 6px;
    padding: 22px 16px 18px; background: var(--paper); border-right: 1px solid var(--line); }
  #nav::after { content: ""; position: absolute; top: 0; bottom: 0; right: -1px; width: 1px; background: linear-gradient(180deg, transparent, var(--gold-bright) 30%, transparent 85%); opacity: .5; }
  #nav .side-brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; color: var(--ink); font-family: var(--serif); font-size: 1.35rem; font-weight: 600; text-decoration: none; }
  #nav .side-brand img { width: 38px; height: 38px; border-radius: 11px; box-shadow: 0 6px 14px -8px rgba(120,20,30,.7); }
  .nav-items { flex-direction: column; gap: 2px; }
  #nav .nav-items a { padding: 11px 12px; font-size: 1rem; min-height: 46px; }
  #nav .nav-items a:hover { background: var(--soft); }
  #nav .nav-items a.on { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--gold-bright); }
  #nav .nav-sep { height: 1px; background: var(--line); margin: 10px 8px; }
  #nav .side-foot { display: block; margin-top: auto; }
  #nav .side-foot .plan-chip { width: 100%; justify-content: center; min-height: 44px; }
  main { padding-top: 34px; }
}
@media (min-width: 1440px) { main { max-width: 980px; } }

/* ---------- Superficies ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 18px; box-shadow: var(--shadow); margin-bottom: 14px; }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.ch { display: flex; align-items: center; gap: 10px; }
.ch .ic { color: var(--accent); }
h2.ch { margin-top: 0; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin: 26px 0 10px; }
.section-title h2 { margin: 0; }
.eyebrow { font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.page-head { margin-bottom: 18px; }
.page-head p { color: var(--muted); margin: 0; max-width: 60ch; }

/* Tarjetas-enlace */
.tiles { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); margin-bottom: 14px; }
.tile { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--ink); margin: 0; min-height: 76px; transition: border-color .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease); }
.tile:hover { border-color: color-mix(in srgb, var(--link) 45%, var(--line)); transform: translateY(-1px); }
.tile:active { transform: scale(.99); }
.tile-ic { width: 48px; height: 48px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex: none; }
.tile-ic .ic { width: 24px; height: 24px; }
.tile .go { margin-left: auto; color: var(--muted); }
.tile strong { font-size: 1.02rem; }
.tile .muted { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tile .host { color: var(--gold); font-weight: 600; letter-spacing: .02em; }
.tile.is-pro .tile-ic { background: var(--gold-soft); color: var(--gold); box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold-bright) 35%, transparent) inset; }
.tile.is-locked { background: linear-gradient(135deg, var(--card), color-mix(in srgb, var(--gold-soft) 55%, var(--card))); }

/* Distintivo PRO y FREE */
.pro-tag, .free-tag { display: inline-flex; align-items: center; gap: 3px; font-family: var(--sans); font-size: .64rem; font-weight: 800; letter-spacing: .1em; padding: 3px 7px; border-radius: 6px; vertical-align: 2px; margin-left: 6px; white-space: nowrap; }
.pro-tag { background: var(--pro-bg); color: var(--pro-ink); box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold-bright) 45%, transparent) inset; }
.free-tag { background: color-mix(in srgb, var(--ok) 13%, transparent); color: var(--ok); }

/* Botones y formularios (objetivos táctiles de 44 px) */
button, .btn { font: inherit; font-weight: 700; border: 0; background: var(--accent); color: var(--accent-ink); padding: 11px 20px; min-height: 46px; border-radius: 12px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; touch-action: manipulation; transition: filter .15s, transform .12s; box-shadow: 0 8px 18px -12px rgba(15,23,42,.55); }
button:hover, .btn:hover { filter: brightness(1.06); }
button:active, .btn:active { transform: scale(.98); }
button.ghost, .btn.ghost { background: var(--soft); color: var(--ink); box-shadow: none; }
button.gold, .btn.gold { background: linear-gradient(135deg, #f2d48a, #c9a24a); color: #1a1405; box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 10px 22px -12px rgba(201,154,63,.9); }
button.outline-danger { background: transparent; color: var(--bad); box-shadow: 0 0 0 1px color-mix(in srgb, var(--bad) 45%, transparent) inset; }
button.danger { background: #b42318; color: #fff; }
button:disabled { opacity: .45; cursor: default; transform: none; }
button.sm, .btn.sm { padding: 6px 12px; min-height: 36px; font-size: .88rem; }
.btn .ic.sm, button .ic.sm { width: 16px; height: 16px; }
input, select, textarea { font: inherit; font-size: max(16px, 1rem); padding: 10px 12px; min-height: 46px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); width: 100%; transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent); }
input[type="checkbox"], input[type="radio"] { width: auto; min-height: 0; accent-color: var(--accent); }
label { display: block; margin: 12px 0 5px; font-weight: 600; font-size: .95rem; }
textarea { min-height: 280px; resize: vertical; line-height: 1.65; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.pill { display: inline-block; padding: 3px 10px; border-radius: 99px; background: var(--soft); font-size: .84rem; font-weight: 600; }

/* Control segmentado (tema) */
.seg { display: inline-flex; background: var(--soft); border-radius: 12px; padding: 4px; gap: 4px; flex-wrap: wrap; }
.seg button { background: transparent; color: var(--muted); box-shadow: none; min-height: 40px; padding: 6px 14px; font-weight: 600; }
.seg button[aria-pressed="true"] { background: var(--card); color: var(--ink); box-shadow: var(--shadow); }

/* Listas de ajustes (Perfil) */
.list { margin: 0; padding: 0; list-style: none; }
.list > li + li, .list > a + a { border-top: 1px solid var(--line); }
.list-item { display: flex; align-items: center; gap: 14px; padding: 12px 2px; min-height: 56px; text-decoration: none; color: var(--ink); }
.list-item .ic { color: var(--muted); }
.list-item .go { margin-left: auto; color: var(--muted); }
.list-item small { display: block; color: var(--muted); }
.profile-head { display: flex; align-items: center; gap: 16px; }
.initial { width: 60px; height: 60px; border-radius: 18px; display: grid; place-items: center; font-family: var(--serif); font-size: 1.7rem; font-weight: 600; color: var(--accent); background: var(--accent-soft); flex: none; }
.danger-zone { margin-top: 26px; text-align: center; }

/* Planes: tarjeta Pro con acabado dorado */
.plans { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; gap: 6px; }
.plan .price { font-family: var(--sans); font-size: 2.2rem; font-weight: 600; margin: 4px 0 8px; font-variant-numeric: tabular-nums; }
.plan .price small { font-family: var(--sans); font-size: .9rem; color: var(--muted); font-weight: 600; }
.plan-pro { background: radial-gradient(500px 220px at 100% 0%, rgba(236,196,107,.16), transparent 60%), linear-gradient(160deg, #0b1224 0%, #13203d 60%, #1a2a4e 100%); color: #eef2fa; border-color: #2b3a5c; }
.plan-pro .muted, .plan-pro small { color: #b9c4d8 !important; }
.plan-pro h2 { color: #ecc46b; }
.plan-pro .feat .ic { color: #ecc46b; }
.plan-ribbon { position: absolute; top: 14px; right: 14px; }
.feat { list-style: none; padding: 0; margin: 6px 0 14px; display: grid; gap: 8px; }
.feat li { display: flex; gap: 10px; align-items: flex-start; }
.feat li .ic { width: 18px; height: 18px; margin-top: 3px; color: var(--ok); }
.feat li.no { color: var(--muted); }
.feat li.no .ic { color: var(--muted); opacity: .7; }
.compare { width: 100%; border-collapse: separate; border-spacing: 0; }
.compare th, .compare td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare th:not(:first-child), .compare td:not(:first-child) { text-align: center; width: 28%; }
.compare thead th { font-family: var(--serif); font-size: 1.05rem; }
.compare td .ic { width: 18px; height: 18px; }
.compare .yes { color: var(--ok); } .compare .no { color: var(--muted); }
.compare .col-pro { background: color-mix(in srgb, var(--gold-soft) 60%, transparent); }

/* Academias */
.steps { counter-reset: s; display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); margin: 0 0 16px; padding: 0; list-style: none; }
.steps li { counter-increment: s; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px 14px 14px 56px; position: relative; min-height: 72px; }
.steps li::before { content: counter(s); position: absolute; left: 14px; top: 14px; width: 30px; height: 30px; border-radius: 99px; display: grid; place-items: center; background: var(--blue-soft); color: var(--blue); font-weight: 800; }
.steps li b { display: block; }
.academy { border-top: 4px solid var(--blue); }
.academy .ch .ic { color: var(--blue); }
.codebox { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 14px; border-radius: var(--r-md); background: var(--blue-soft); }
.code { font-family: ui-monospace, 'Cascadia Mono', Menlo, monospace; font-size: 1.7rem; font-weight: 700; letter-spacing: .18em; color: var(--blue); }
.seats { height: 8px; border-radius: 99px; background: var(--soft); overflow: hidden; margin-top: 8px; } .seats > i { display: block; height: 100%; background: var(--blue); }
.class-card { display: block; text-decoration: none; color: var(--ink); }
.class-card:hover { border-color: color-mix(in srgb, var(--blue) 45%, var(--line)); }
.members { width: 100%; border-collapse: collapse; }
.members th, .members td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); font-variant-numeric: tabular-nums; }
.members th { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
@media (max-width: 720px) {
  .members thead { display: none; }
  .members tr { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .members td { border: 0; padding: 2px 0; }
  .members td::before { content: attr(data-label); display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
  .members td.mail { grid-column: 1 / -1; font-weight: 700; }
  .members td.mail::before { display: none; }
  .members td.act { grid-column: 1 / -1; }
  .members td.act::before { display: none; }
}

/* ---------- Componentes existentes ---------- */
.hero { padding: 26px 0 10px; } .hero .lede { color: var(--ink); font-size: 1.25rem; margin-bottom: 6px; } .hero h1 { font-size: clamp(2rem, 1.5rem + 2.4vw, 3.1rem); font-weight: 600; max-width: 18ch; } .hero p { font-size: 1.15rem; color: var(--muted); }
.bar { height: 10px; background: var(--soft); border-radius: 99px; overflow: hidden; } .bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--gold-bright)); border-radius: 99px; }
.text { white-space: pre-wrap; background: var(--paper); border: 1px solid var(--line); padding: 16px; border-radius: var(--r-md); line-height: 1.7; }
.q { padding: 14px 0; border-top: 1px solid var(--line); }
.q .opt { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; cursor: pointer; font-weight: 400; margin: 4px 0; border: 1px solid transparent; min-height: 44px; }
.q .opt:hover { background: var(--soft); } .q .opt input { width: auto; margin-top: 5px; }
.q .opt:has(input:checked) { border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); background: var(--accent-soft); }
.q.right { background: color-mix(in srgb, var(--ok) 8%, transparent); } .q.wrong { background: color-mix(in srgb, var(--bad) 8%, transparent); }
.explain { font-size: .96rem; margin-top: 8px; padding: 10px 12px; border-left: 3px solid var(--accent); background: var(--soft); border-radius: 0 10px 10px 0; }
.sticky { position: sticky; top: 64px; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); padding: 8px 0; z-index: 5; display: flex; gap: 12px; align-items: center; justify-content: space-between; }
@media (min-width: 1024px) { body.authed .sticky { top: 0; } }
.timer { font-variant-numeric: tabular-nums; font-weight: 700; }
.door { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
table { width: 100%; border-collapse: collapse; } td, th { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
dialog { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--card); color: var(--ink); max-width: min(440px, calc(100vw - 32px)); box-shadow: 0 30px 60px -20px rgba(0,0,0,.45); }
dialog::backdrop { background: rgba(20,14,10,.5); backdrop-filter: blur(2px); }
.rewrite { white-space: pre-wrap; line-height: 1.7; }
.rewrite del { color: var(--bad); text-decoration: line-through; }
.rewrite ins { color: var(--ok); text-decoration: none; background: var(--soft); font-weight: 600; border-radius: 3px; }
.quizcta { display: block; text-decoration: none; color: inherit; border-left: 4px solid var(--accent); }
.pre { white-space: pre-line; }
.hints { margin-top: 6px; font-size: .92rem; } .hints summary { cursor: pointer; color: var(--muted); }
.chatlog { max-height: 55vh; overflow-y: auto; display: flex; flex-direction: column; gap: 8px; }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 16px; background: var(--soft); }
.msg.user { align-self: flex-end; background: var(--accent); color: var(--accent-ink); border-bottom-right-radius: 6px; }
details summary { cursor: pointer; min-height: 32px; }

/* Tutores */
.tutor-sheldon { --t: var(--sheldon); --t-tint: var(--sheldon-tint); }
.tutor-penny { --t: var(--penny); --t-tint: var(--penny-tint); }
.tutor-card { border-top: 4px solid var(--t); }
.tutor-row { display: flex; gap: 14px; align-items: flex-start; }
.avatar { flex: none; }
.ttag { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: 99px; background: var(--t-tint, var(--accent-soft)); color: var(--t, var(--accent)); }
.tname { font-family: var(--serif); font-size: 1.45rem; font-weight: 600; margin: 2px 0; }
.tquote { font-family: var(--serif); font-style: italic; font-size: 1.08rem; margin: 6px 0; }
.tutor-card ul { margin: 6px 0 10px; padding-left: 1.1em; }
.tutor-card button, .tutor-card .btn { background: var(--t); color: #fff; box-shadow: none; }
:root[data-theme="dark"] .tutor-card button { color: #111; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .tutor-card button { color: #111; } }
.says { display: flex; gap: 12px; align-items: center; }
.says b { color: var(--t); }

/* Información oficial (Instituto Cervantes) */
.official { position: relative; overflow: hidden; border-color: color-mix(in srgb, var(--gold) 40%, var(--line)); background: linear-gradient(135deg, var(--card) 55%, color-mix(in srgb, var(--gold) 9%, var(--card))); }
.official::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: linear-gradient(90deg, var(--accent), var(--gold-bright)); }
.official { --t: var(--accent); --t-tint: var(--accent-soft); }
.off-head { display: flex; align-items: flex-start; gap: 12px; }
.off-head > .ic { width: 42px; height: 42px; padding: 9px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); flex: none; }
.off-head h2 { margin: 6px 0 2px; }
.off-head p { margin: 0; }
.count { margin-left: auto; text-align: center; line-height: 1; flex: none; }
.count b { display: block; font-family: var(--sans); font-size: 2.4rem; font-weight: 600; color: var(--accent); font-variant-numeric: tabular-nums; }
.count small { color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.official .actions { display: flex; flex-wrap: wrap; gap: 8px; }
.status { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 99px; white-space: nowrap; }
.st-open { background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok); }
.st-soon { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.st-closed, .st-past { background: var(--soft); color: var(--muted); }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 12px 0 12px 16px; border-top: 1px solid var(--line); position: relative; }
.timeline li::before { content: ""; position: absolute; left: 0; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 50%; background: var(--line); }
.timeline li.mine::before { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.timeline li.gone { opacity: .55; }
.tl-right { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 480px) { .off-head > .ic { display: none; } .official .ttag { font-size: .66rem; } .count b { font-size: 1.9rem; } .official .actions .btn { flex: 1 1 100%; } }

/* Simulacro oral */
.oral-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.oral-head h1 { margin: 0; }
.oral-head #quit { margin-left: auto; }
.examiner { border-left: 4px solid var(--accent); }
.examiner p { font-family: var(--serif); font-size: 1.28rem; margin: 8px 0 0; }
.answer .live { min-height: 3.5em; padding: 14px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); color: var(--muted); }
.answer .live.on { color: var(--ink); box-shadow: 0 0 0 2px var(--accent) inset; animation: livepulse 1.6s ease-in-out infinite; }
@keyframes livepulse { 50% { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 35%, transparent) inset; } }
.answer .actions, .oral-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.scene { padding: 14px; border: 1px dashed color-mix(in srgb, var(--gold) 60%, var(--line)); border-radius: var(--r-md); margin: 8px 0; }
.scene h3 { margin: 6px 0 4px; }
.opts { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); margin-bottom: 12px; }
.opt-card { display: flex; align-items: center; gap: 10px; padding: 12px 14px; min-height: 48px; border: 1px solid var(--line); border-radius: 12px; cursor: pointer; margin: 0; }
.opt-card:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.crit { display: grid; grid-template-columns: minmax(90px, 9rem) 1fr auto; align-items: center; gap: 10px; margin: 8px 0; }
.crit span { font-size: .92rem; overflow: hidden; text-overflow: ellipsis; }

/* Textos largos sin espacios (grupos, emails) no deben desbordar */
h1, h2, .row strong, td.mail { overflow-wrap: anywhere; }
.wide { min-width: 640px; } .wide th { font-size: .85rem; vertical-align: bottom; } .wide td { white-space: nowrap; } .wide td.mail { white-space: normal; }

/* Privacidad */
.langbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.langbar button { background: var(--soft); color: var(--ink); border: 1px solid var(--line); padding: 8px 14px; box-shadow: none; }
.langbar button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

/* Entrada suave de cada vista (sin movimiento si el sistema lo pide) */
#view > * { animation: rise .28s var(--ease) both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

/* Anuncio de nivel próximamente (C1) */
.c1-card { border-color: color-mix(in srgb, var(--gold-bright) 45%, var(--line)); background: linear-gradient(135deg, var(--card) 55%, color-mix(in srgb, var(--gold-soft) 70%, var(--card))); }

/* Consentimiento antes del pago (acceso inmediato y desistimiento) */
.consent { display: flex; gap: 8px; align-items: flex-start; margin: 0; cursor: pointer; font-weight: 400; color: inherit; }
.consent input { width: auto; min-width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--gold-bright); }
.link-btn { background: none; border: 0; padding: 4px 0; min-height: 44px; color: inherit; text-decoration: underline; font: inherit; font-size: .9rem; cursor: pointer; align-self: flex-start; }
@media print { .top, #nav, .foot, .row { display: none !important; } }

/* Pro: corona en el avatar del perfil y aviso «ya eres Pro» en Planes */
.initial.is-pro { position: relative; box-shadow: 0 0 0 2px var(--gold-bright); }
.initial .crown { position: absolute; top: -10px; right: -8px; display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--pro-bg); color: var(--pro-ink); }
.pro-done { display: flex; gap: 14px; align-items: center; margin-bottom: 16px; box-shadow: 0 0 0 1px color-mix(in srgb, var(--gold-bright) 45%, transparent) inset; }

/* El color de #nav a (id) pisaba al del chip PRO de la barra lateral: contraste insuficiente */
#nav .side-foot .plan-chip.pro, #nav .side-foot .plan-chip.pro:hover { color: var(--pro-ink); }
/* Comparativa: en idiomas con palabras largas (de) la tabla no desborda a 375 px */
@media (max-width: 420px) { .compare { font-size: .8rem; } .compare th, .compare td { padding: 10px 5px; } .compare thead th { font-size: .9rem; } .compare th:not(:first-child), .compare td:not(:first-child) { width: 25%; } }

/* Pie: los <small> bajaban a 11 px; mínimo 12,8 px */
.foot small { font-size: .8rem; }