/* TrueML · tokens del sistema de diseño (fuente única: apps/trueml). Claro y oscuro.
   Los colores --tm-* son los de trueml-mark.js (THEMES.claro y THEMES.oscuro). El oscuro aplica con el sistema en
   oscuro, salvo data-theme="light" en <html>, o siempre con data-theme="dark". Cada app copia este archivo con sync.mjs. */
:root {
  --tm-bg: #EDEFF7; --tm-grid: rgba(14,21,48,.055); --tm-card: #FFFFFF; --tm-ink: #0E1530; --tm-ink2: #3A4364; --tm-ink3: #5A6385;
  --tm-line: #E3E6F0; --tm-chip: #EEF1FF; --tm-acc: #3D5AFE; --tm-nav: rgba(237,239,247,.86); --tm-sh: 0 1px 0 rgba(14,21,48,.08);
  --tm-btn2: #FFFFFF; --tm-btn2sh: #C9CEE0; --tm-code: #0E1530; --tm-codeink: #E6EAFB; --tm-codeink2: #8F9BC9;
  --tm-ok: #E3F7EF; --tm-okink: #0C7A5B; --tm-lead: #9AA2C0;
  --tm-dojo: #B07A0C; --tm-warn: #D9532A; --tm-mon: #1B2550; --tm-off: #DCE0EC;
  --y: #E8AE36; --yt: #FFC857; --yd: #D99A1E; --o: #EC6A3F; --g: #17B386; --b: #3D5AFE; --p: #7A69EE; --n: #5A6699; --navy: #0E1530;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --tm-bg: #0A0F22; --tm-grid: rgba(255,255,255,.045); --tm-card: #121A36; --tm-ink: #EEF1FB; --tm-ink2: #B4BCDD; --tm-ink3: #8C95BD;
    --tm-line: #232C52; --tm-chip: #1B2450; --tm-acc: #8FA2FF; --tm-nav: rgba(10,15,34,.82); --tm-sh: 0 0 0 1px #1E2750;
    --tm-btn2: #1B2450; --tm-btn2sh: #070B1A; --tm-code: #070B1A; --tm-codeink: #DDE3FA; --tm-codeink2: #7F8AB8;
    --tm-ok: #0F3B30; --tm-okink: #5BE0B5; --tm-lead: #4A5480; --tm-dojo: #FFC857; --tm-warn: #FF8A5C; --tm-mon: #5A6699; --tm-off: #2A3360;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --tm-bg: #0A0F22; --tm-grid: rgba(255,255,255,.045); --tm-card: #121A36; --tm-ink: #EEF1FB; --tm-ink2: #B4BCDD; --tm-ink3: #8C95BD;
  --tm-line: #232C52; --tm-chip: #1B2450; --tm-acc: #8FA2FF; --tm-nav: rgba(10,15,34,.82); --tm-sh: 0 0 0 1px #1E2750;
  --tm-btn2: #1B2450; --tm-btn2sh: #070B1A; --tm-code: #070B1A; --tm-codeink: #DDE3FA; --tm-codeink2: #7F8AB8;
  --tm-ok: #0F3B30; --tm-okink: #5BE0B5; --tm-lead: #4A5480; --tm-dojo: #FFC857; --tm-warn: #FF8A5C; --tm-mon: #5A6699; --tm-off: #2A3360;
  color-scheme: dark;
}

/* ---------------------------------------------------------------- piezas compartidas */
.tm-stripe { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); height: 4px; }
.tm-c-datos { background: var(--y); } .tm-c-modelo { background: var(--o); } .tm-c-api { background: var(--g); }
.tm-c-contenedor { background: var(--b); } .tm-c-orquestacion { background: var(--p); } .tm-c-monitoreo { background: var(--n); }

/* la T chica: barra de 3 arriba y el tronco en la columna del centro */
.tm-mini-wrap { display: inline-flex; gap: 10px; align-items: center; }
.tm-mini-txt { font: 500 11px/1.3 var(--mono); color: var(--tm-ink3); text-align: right; }
.tm-mini { display: grid; grid-template-columns: repeat(3, 8px); grid-auto-rows: 8px; gap: 2px; flex: none; }
.tm-mini i { border-radius: 2px; }
.tm-mini .tm-mini-api, .tm-mini .tm-mini-modelo, .tm-mini .tm-mini-datos { grid-column: 2; }
.tm-mini-contenedor { background: var(--b); } .tm-mini-orquestacion { background: var(--p); } .tm-mini-monitoreo { background: var(--tm-mon); }
.tm-mini-api { background: var(--g); } .tm-mini-modelo { background: var(--o); } .tm-mini-datos { background: var(--y); }
.tm-mini i.tm-off { background: var(--tm-off); }

/* selector de tema */
.tm-tema { display: flex; gap: 2px; padding: 4px; border-radius: 999px; background: var(--tm-card); box-shadow: var(--tm-sh); }
.tm-tema button { border: 0; cursor: pointer; font: 600 13px/1 var(--sans); padding: 8px 12px; border-radius: 999px; background: transparent; color: var(--tm-ink2); }
.tm-tema button[aria-pressed="true"] { background: var(--tm-ink); color: var(--tm-bg); }

/* =============================================================================
   Ronda de Diseño ML — css/components.css
   Estilos de los dos componentes visuales: diagrama (MSD.Diagram, .dg*) y
   visor de código (MSD.Code, .cx*). Solo consume los tokens de SPEC §3
   (definidos en css/app.css) → claro/oscuro automático.
   Variables locales: --dg-c (trazo del tipo), --dg-f (relleno), --dg-t (texto),
   --dg-lc / --dg-lt (carril), --dg-lane-a (opacidad de la banda).
   ========================================================================== */

.dg [hidden], .cx [hidden] { display: none !important; }

/* ---------------------------------------------------------------- común */
.dg, .cx { margin: 28px 0; min-width: 0; }
.dg__head, .cx__head { display: flex; flex-direction: column; gap: 3px; margin: 0 0 10px; }
.dg__eyebrow, .cx__eyebrow {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-xs);
  letter-spacing: .09em; text-transform: uppercase; color: var(--muted); line-height: 1.3;
}
.dg__title, .cx__title {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-lg);
  line-height: 1.25; color: var(--ink);
}
.dg__caption, .cx__caption { font-size: var(--fs-sm); line-height: 1.55; color: var(--muted); max-width: 72ch; }
.dg__caption code, .cx__caption code, .dg__step-text code, .dg__note-body code, .dg__item-note code, .cx__note code {
  font-family: var(--font-mono); font-size: .9em;
}

/* ================================================================ DIAGRAMA */
.dg { --dg-lane-a: .05; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .dg { --dg-lane-a: .08; } }
:root[data-theme="dark"] .dg { --dg-lane-a: .08; }

/* Barra superior: "Recorrer:" + "Ampliar" */
.dg__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 12px; margin: 0 0 8px; }
.dg__flows { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; min-width: 0; }
.dg__expand {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 5px 10px;
  font: 500 var(--fs-sm)/1.2 var(--font-body); color: var(--muted);
  background: transparent; border: 1px solid var(--rule); border-radius: var(--r-2); cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.dg__expand:hover { color: var(--ink); border-color: var(--rule-strong); }
.dg__expand:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.dg__expand[aria-pressed="true"] { color: var(--ink); background: var(--surface); border-color: var(--rule-strong); }
.dg__expand-ico { display: inline-flex; }
.dg__expand-ico svg { display: block; }

/* Vista ampliada: la figura ocupa la ventana y el SVG se ve a tamaño natural */
html:has(.dg.is-expanded) { overflow: hidden; }
.dg.is-expanded {
  position: fixed; inset: 0; z-index: 1000; margin: 0; overflow: auto; overscroll-behavior: contain;
  background: var(--bg); padding: 12px max(16px, calc((100vw - 1440px) / 2)) 40px;
}
.dg.is-expanded .dg__bar {
  position: sticky; top: -12px; z-index: 2; margin: -12px 0 8px; padding: 12px 0 8px; background: var(--bg);
}
.dg.is-expanded .dg__svg { min-width: calc(var(--dg-max, 0px) * .85); }
.dg.is-expanded .dg__side { max-width: 900px; }
@media (min-width: 1200px) {
  .dg.is-expanded {
    display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 360px); column-gap: 20px; align-content: start;
  }
  .dg.is-expanded > .dg__head, .dg.is-expanded > .dg__bar, .dg.is-expanded > .dg__warn { grid-column: 1 / -1; }
  .dg.is-expanded > .dg__side { position: sticky; top: 52px; align-self: start; max-height: calc(100vh - 64px); overflow: auto; overscroll-behavior: contain; }
  .dg.is-expanded > .dg__side > :first-child:not([hidden]),
  .dg.is-expanded > .dg__side > [hidden] + :not([hidden]) { margin-top: 0; }
  .dg.is-expanded .dg__list { border-top: 0; }
}
.dg__flows-label {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-xs);
  letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin-right: 2px;
}
.dg__flowbtn {
  display: inline-flex; align-items: center; gap: 7px; min-height: 32px; padding: 5px 11px 5px 9px;
  font: 500 var(--fs-sm)/1.2 var(--font-body); color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--r-2);
  cursor: pointer; transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.dg__flowbtn:hover { border-color: var(--accent); }
.dg__flowbtn:focus-visible, .dg__btn:focus-visible, .dg__x:focus-visible, .dg__list > summary:focus-visible {
  outline: 2px solid var(--focus); outline-offset: 2px;
}
.dg__flowbtn-dot {   /* triángulo "play" */
  width: 8px; height: 9px; flex: none; background: currentColor; color: var(--accent);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}
.dg__flowbtn-n { font-family: var(--font-mono); font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.dg__flowbtn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-ink); }
.dg__flowbtn[aria-pressed="true"] .dg__flowbtn-n { color: var(--accent-ink); }
.dg__flowbtn[aria-pressed="true"] .dg__flowbtn-dot { clip-path: none; width: 8px; height: 8px; border-radius: 1px; }

/* Lienzo */
.dg__canvas { position: relative; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r-2); }
.dg__scroll {
  overflow-x: auto; overflow-y: hidden; padding: 4px;
  scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent;
  -webkit-overflow-scrolling: touch;
}
.dg__svg {
  display: block; width: 100%; height: auto; margin: 0 auto; overflow: visible;
  min-width: var(--dg-min, 0); max-width: var(--dg-max, 100%);
}
/* Escritorio (columna de 780 px): si al diagrama le falta poco para caber, se encoge hasta el 62 %
   de su tamaño natural en vez de esconder el borde derecho tras un scroll horizontal. */
@media (min-width: 1200px) {
  .dg:not(.is-expanded) .dg__svg { min-width: max(calc(var(--dg-max, 0px) * .62), min(var(--dg-min, 0px), 100%)); }
}

.dg-grid { fill: var(--rule); }

/* Carriles */
.dg-l-online  { --dg-lc: var(--accent);  --dg-lt: var(--accent-ink); }
.dg-l-offline { --dg-lc: var(--offline); --dg-lt: var(--offline); }
.dg-l-monitor { --dg-lc: var(--monitor); --dg-lt: var(--monitor); }
.dg-l-neutral { --dg-lc: var(--muted);   --dg-lt: var(--muted); }
.dg-lane__band { fill: var(--dg-lc); fill-opacity: var(--dg-lane-a); stroke: var(--dg-lc); stroke-opacity: .38; stroke-width: 1; }
.dg-lane__label {
  font-family: var(--font-mono); font-weight: 700; font-size: 11.5px; letter-spacing: .12em;
  fill: var(--dg-lt);
}

/* Colores por tipo de arista */
.dg-e-online  { --dg-c: var(--accent);      --dg-t: var(--accent-ink); }
.dg-e-offline { --dg-c: var(--offline);     --dg-t: var(--offline); }
.dg-e-monitor { --dg-c: var(--monitor);     --dg-t: var(--monitor); }
.dg-e-async   { --dg-c: var(--muted);       --dg-t: var(--muted); }
.dg-e-neutral { --dg-c: var(--rule-strong); --dg-t: var(--muted); }

.dg-edge, .dg-elabel, .dg-node { transition: opacity var(--dur) var(--ease); }
.dg-edge__line { fill: none; stroke: var(--dg-c); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: butt; transition: stroke-width var(--dur) var(--ease); }
.is-dashed .dg-edge__line, .is-dashed.dg-edge__line { stroke-dasharray: 5 4; }
.dg-mk { fill: var(--dg-c); }
.dg-edge__flow {
  fill: none; stroke: var(--surface); stroke-width: 1.5; stroke-linecap: round;
  stroke-dasharray: 1.5 9; opacity: 0;
}
.dg-edge.is-hl .dg-edge__line { stroke-width: 3.2; }
.dg-edge.is-hl .dg-edge__flow { opacity: .95; animation: dg-flow .75s linear infinite; }
@keyframes dg-flow { to { stroke-dashoffset: -10.5; } }

.dg-elabel__bg { fill: var(--surface); stroke: var(--dg-c); stroke-opacity: .6; stroke-width: 1; }
.dg-elabel__tx { font-family: var(--font-body); font-weight: 500; fill: var(--dg-t); }
.dg-elabel.is-hl .dg-elabel__bg { stroke-opacity: 1; stroke-width: 1.5; }

/* Nodos: colores por tipo, con los de las etapas de la T de TrueML (también colorean la lista de componentes
   y el panel de nota): Datos (amarillo) = almacenamiento · Modelo (naranja) = modelo y GPU · API (verde) =
   servicios y colas · azul = la entrada. Los jobs van en ámbar y la observabilidad en violeta, como sus carriles
   y aristas, porque los textos de los casos nombran esos colores («Ámbar: datos», «Violeta: monitoreo»). */
.dg-k-client   { --dg-c: var(--muted);    --dg-f: var(--surface); }
.dg-k-external { --dg-c: var(--muted);    --dg-f: var(--surface-2); }
.dg-k-edge     { --dg-c: var(--accent);   --dg-f: var(--accent-soft); }
.dg-k-service  { --dg-c: var(--st-api);   --dg-f: var(--st-api-soft); }
.dg-k-model    { --dg-c: var(--st-modelo); --dg-f: var(--st-modelo-soft); }
.dg-k-gpu      { --dg-c: var(--st-modelo); --dg-f: var(--surface-2); }
.dg-k-store    { --dg-c: var(--st-datos); --dg-f: var(--st-datos-soft); }
.dg-k-queue    { --dg-c: var(--st-api);   --dg-f: var(--st-api-soft); }
.dg-k-job      { --dg-c: var(--offline);  --dg-f: var(--offline-soft); }
.dg-k-monitor  { --dg-c: var(--monitor);  --dg-f: var(--monitor-soft); }
.dg-k-human    { --dg-c: var(--muted);    --dg-f: var(--surface-2); }

.dg-node { cursor: pointer; outline: none; }
.dg-node__shape { fill: var(--dg-f); stroke: var(--dg-c); stroke-width: 1.4; transition: stroke-width var(--dur) var(--ease); }
.dg-k-client .dg-node__shape, .dg-k-external .dg-node__shape { stroke-dasharray: 5 3; }
.dg-node__detail { fill: none; stroke: var(--dg-c); stroke-width: 1; opacity: .75; }
.dg-node__fold { fill: var(--dg-c); fill-opacity: .22; stroke: var(--dg-c); stroke-width: 1.2; stroke-linejoin: round; }
.dg-node__pins { fill: none; stroke: var(--dg-c); stroke-width: 1.6; }
.dg-node__dot { fill: var(--dg-c); }
.dg-node__glyph { fill: none; stroke: var(--dg-c); stroke-width: 1.3; stroke-linecap: round; }
.dg-node__label { font-family: var(--font-body); font-weight: 600; fill: var(--ink); }
.dg-node__sub { font-family: var(--font-mono); font-weight: 400; fill: var(--muted); }
.dg-node__badge-bg { fill: var(--surface); stroke: var(--dg-c); stroke-width: 1; }
.dg-node__badge-tx { font-family: var(--font-mono); font-weight: 500; font-size: 11px; fill: var(--ink); }
.dg-node__ring { fill: none; stroke: var(--dg-c); stroke-width: 2; opacity: 0; transition: opacity var(--dur) var(--ease); }
.dg-node__focus { fill: none; stroke: var(--focus); stroke-width: 2; stroke-dasharray: 4 3; opacity: 0; }
.dg-node:focus-visible .dg-node__focus { opacity: 1; }
.dg-node:hover .dg-node__shape { stroke-width: 2.2; }
.dg-node.is-hl .dg-node__shape { stroke-width: 2.2; }
.dg-node.is-hl .dg-node__ring { opacity: .9; }
.dg-node.is-sel .dg-node__ring { opacity: 1; stroke-width: 2.4; }
.dg.is-pulsing .dg-node.is-hl .dg-node__ring {
  transform-box: fill-box; transform-origin: center; animation: dg-pulse .9s var(--ease) 1;
}
@keyframes dg-pulse { 0% { opacity: 0; transform: scale(1.06); } 45% { opacity: 1; } 100% { opacity: .9; transform: scale(1); } }

/* Modo foco: lo que no participa se atenúa */
.dg.is-focusing .dg-node:not(.is-hl):not(.is-near) { opacity: .26; }
.dg.is-focusing .dg-node.is-near { opacity: .82; }
.dg.is-focusing .dg-edge:not(.is-hl) { opacity: .14; }
.dg.is-focusing .dg-elabel:not(.is-hl) { opacity: .2; }

/* Leyenda y pistas */
.dg__legend {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 18px;
  margin-top: 8px; font-size: var(--fs-xs); line-height: 1.4; color: var(--muted);
}
.dg__keys { display: flex; flex-wrap: wrap; gap: 4px 14px; margin: 0; padding: 0; list-style: none; }
.dg__key { display: inline-flex; align-items: center; gap: 6px; }
.dg__key-sw { flex: none; overflow: visible; }
.dg__hint { margin: 0; }

/* Panel del recorrido */
.dg__step {
  margin-top: 10px; padding: 10px 14px 12px; background: var(--surface);
  border: 1px solid var(--rule); border-left: 3px solid var(--accent); border-radius: var(--r-2);
}
.dg__step-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; }
.dg__step-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; min-width: 0; }
.dg__step-flow {
  font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm);
  letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink);
}
.dg__step-pos { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--muted); font-variant-numeric: tabular-nums; }
.dg__step-count { color: var(--ink); font-weight: 500; }
.dg__step-bar { display: inline-flex; gap: 2px; }
.dg__step-bar i { display: block; width: 9px; height: 12px; border-radius: 1px; background: var(--surface-2); border: 1px solid var(--rule-strong); }
.dg__step-bar i.is-done { background: var(--accent-soft); border-color: var(--accent); }
.dg__step-bar i.is-cur { background: var(--accent); border-color: var(--accent); }
.dg__step-btns { display: flex; flex-wrap: wrap; gap: 6px; }
.dg__btn {
  display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 6px 12px;
  font: 500 var(--fs-sm)/1.2 var(--font-body); color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--r-2); cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.dg__btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-ink); }
.dg__btn--primary { background: var(--accent); border-color: var(--accent); color: var(--surface); }
.dg__btn--primary:hover:not(:disabled) { color: var(--surface); border-color: var(--accent-ink); background: var(--accent-ink); }
.dg__btn--quiet { border-color: transparent; background: transparent; color: var(--muted); }
.dg__btn:disabled { opacity: .45; cursor: default; }
.dg__step-text { margin-top: 8px; font-size: var(--fs-md); line-height: 1.6; color: var(--ink); max-width: 72ch; }
.dg__step-text > :first-child { margin-top: 0; }
.dg__step-text > :last-child { margin-bottom: 0; }

/* Panel "Por qué está aquí" */
.dg__note {
  --dg-c: var(--ink);
  margin-top: 10px; padding: 10px 14px 12px; background: var(--surface-2);
  border: 1px solid var(--rule); border-left: 3px solid var(--dg-c); border-radius: var(--r-2);
}
.dg__note-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.dg__note-h { margin: 0; font-weight: 600; font-size: var(--fs-md); line-height: 1.35; color: var(--ink); }
.dg__note-eyebrow { font-weight: 500; color: var(--muted); }
.dg__note-sub { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--muted); }
.dg__x {
  margin-left: auto; align-self: flex-start; width: 30px; height: 30px; flex: none;
  display: inline-grid; place-items: center; font: 400 20px/1 var(--font-body); color: var(--muted);
  background: transparent; border: 1px solid transparent; border-radius: var(--r-2); cursor: pointer;
}
.dg__x:hover { color: var(--ink); border-color: var(--rule-strong); }
.dg__note-body { margin-top: 6px; font-size: var(--fs-md); line-height: 1.6; color: var(--ink); max-width: 72ch; }
.dg__note-body > :first-child { margin-top: 0; }
.dg__note-body > :last-child { margin-bottom: 0; }
.dg__muted { margin: 0; color: var(--muted); }

/* "Componentes y por qué" */
.dg__list { margin-top: 12px; border-top: 1px solid var(--rule); }
.dg__list > summary {
  display: flex; align-items: center; gap: 10px; padding: 10px 0; cursor: pointer; list-style: none;
  font-weight: 600; font-size: var(--fs-sm); color: var(--ink);
}
.dg__list > summary::-webkit-details-marker { display: none; }
.dg__list > summary::before {
  content: ''; width: 7px; height: 7px; flex: none; margin: 0 2px 0 3px;
  border-right: 1.5px solid var(--muted); border-bottom: 1.5px solid var(--muted);
  transform: rotate(-45deg); transition: transform var(--dur) var(--ease);
}
.dg__list[open] > summary::before { transform: rotate(45deg); }
.dg__list > summary:hover { color: var(--accent-ink); }
.dg__list-n { font-family: var(--font-mono); font-weight: 400; font-size: var(--fs-xs); color: var(--muted); }
.dg__groups { display: grid; gap: 16px; padding: 2px 0 14px; }
.dg__group-title {
  margin: 0 0 4px; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-xs);
  letter-spacing: .09em; text-transform: uppercase; color: var(--dg-lt, var(--muted));
}
.dg__items { margin: 0; padding: 0; list-style: none; }
.dg__item { position: relative; padding: 8px 0 9px 16px; border-top: 1px solid var(--rule); }
.dg__item-sw {
  position: absolute; left: 0; top: 14px; width: 8px; height: 8px;
  background: var(--dg-f); border: 1.5px solid var(--dg-c); border-radius: 2px;
}
.dg__item-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.dg__item-label { font-weight: 600; font-size: var(--fs-sm); color: var(--ink); }
.dg__item-sub { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--muted); }
.dg__item-kind {
  margin-left: auto; font-family: var(--font-mono); font-size: 11px; line-height: 1.5; color: var(--muted);
  border: 1px solid var(--rule); border-radius: var(--r-1); padding: 0 5px; white-space: nowrap;
}
.dg__item-note { margin-top: 3px; font-size: var(--fs-sm); line-height: 1.55; color: var(--ink); max-width: 72ch; }
.dg__warn, .cx__warn {
  margin: 0; padding: 10px 12px; font-size: var(--fs-sm); line-height: 1.5; color: var(--ink);
  background: var(--bad-soft); border-left: 3px solid var(--bad); border-radius: var(--r-1);
}
.cx__warn code { font-family: var(--font-mono); font-size: .92em; overflow-wrap: anywhere; }

@media (prefers-reduced-motion: reduce) {
  .dg-edge.is-hl .dg-edge__flow { animation: none; opacity: 0; }
  .dg.is-pulsing .dg-node.is-hl .dg-node__ring { animation: none; }
  .dg-edge, .dg-elabel, .dg-node, .dg-node__shape, .dg-node__ring, .dg-edge__line, .dg__list > summary::before { transition: none; }
}

/* ================================================================ CÓDIGO */
.cx__box { background: var(--surface-2); border: 1px solid var(--rule); border-radius: var(--r-2); overflow: hidden; }

/* Pestañas */
.cx__tabbar { background: var(--surface); box-shadow: inset 0 -1px 0 var(--rule); }
/* Las pestañas se envuelven en filas: una tira con scroll oculto escondía la mitad de los archivos. */
.cx__tabs { display: flex; flex-wrap: wrap; }
.cx__tab {
  position: relative; flex: none; display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px; padding: 9px 14px 8px; margin: 0;
  font: 500 13px/1.2 var(--font-mono); color: var(--muted);
  background: transparent; border: 0; border-right: 1px solid var(--rule); border-radius: 0; cursor: pointer;
  max-width: 100%; border-bottom: 1px solid var(--rule);
}
.cx__tab-name { min-width: 0; overflow-wrap: anywhere; text-align: left; }
.cx__tab:hover { color: var(--ink); }
.cx__tab[aria-selected="true"] { color: var(--ink); background: var(--surface-2); }
.cx__tab[aria-selected="true"]::before {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--accent);
}
.cx__tab:focus-visible { outline: 2px solid var(--focus); outline-offset: -3px; }
.cx__tab-warn {
  display: inline-grid; place-items: center; width: 15px; height: 15px; border-radius: 50%;
  font: 600 10px/1 var(--font-body); color: var(--surface); background: var(--bad);
}

/* Barra de metadatos y acciones */
.cx__meta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 12px;
  padding: 6px 8px 6px 12px; border-bottom: 1px solid var(--rule);
}
.cx__info {
  display: flex; flex-wrap: wrap; align-items: center; gap: 3px 10px; min-width: 0;
  font-family: var(--font-mono); font-size: var(--fs-xs); line-height: 1.4; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.cx__fname { font-size: 13px; font-weight: 500; color: var(--ink); }
.cx__lang { padding: 0 5px; border: 1px solid var(--rule-strong); border-radius: var(--r-1); color: var(--ink); }
.cx__path { overflow-wrap: anywhere; }
.cx__actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px; margin-left: auto; }
.cx__btn {
  display: inline-flex; align-items: center; gap: 6px; min-height: 30px; padding: 4px 10px;
  font: 500 12.5px/1 var(--font-body); color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--r-1); cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.cx__btn:hover { border-color: var(--accent); color: var(--accent-ink); }
.cx__btn:focus-visible, .cx__more:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.cx__btn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-ink); }
.cx__btn.is-done, .cx__btn.is-done:hover { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.cx__icon { display: inline-flex; }
.cx__icon svg { display: block; }
.cx__status { font-size: var(--fs-xs); color: var(--bad); max-width: 36ch; line-height: 1.35; }
.cx__status:empty { display: none; }
.cx__status.is-ok {   /* el éxito ya se ve en el botón: solo para lectores de pantalla */
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* Código */
.cx__frame { position: relative; }
.cx__scroll {
  overflow-x: auto; overflow-y: hidden; font-size: 13px; line-height: 1.6;
  scrollbar-width: thin; scrollbar-color: var(--rule-strong) transparent;
}
.cx__scroll:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
.cx__pre {
  margin: 0; padding: 10px 0; font-family: var(--font-mono); font-size: 1em; line-height: inherit;
  color: var(--ink); background: transparent; tab-size: 4; -moz-tab-size: 4; white-space: pre; overflow: visible;
}
.cx__code { display: block; min-width: max-content; font: inherit; color: inherit; background: none; padding: 0; }
.cx__l { display: flex; }
.cx__n {
  position: sticky; left: 0; z-index: 1; flex: none;
  width: calc(var(--cx-digits, 2) * 1ch + 26px); padding: 0 12px 0 0; margin-right: 14px;
  text-align: right; color: var(--muted); background: var(--surface-2);
  border-right: 1px solid var(--rule); font-variant-numeric: tabular-nums;
  -webkit-user-select: none; user-select: none;
}
.cx__n::before { content: attr(data-n); }
.cx__t { flex: 1 1 auto; min-width: 0; white-space: pre; padding-right: 20px; }
.cx__l:hover .cx__n { color: var(--ink); }
.cx.is-wrap .cx__code { min-width: 0; }
.cx.is-wrap .cx__t { white-space: pre-wrap; overflow-wrap: anywhere; }

/* Plegado de archivos largos */
.cx__panel.is-collapsed .cx__scroll { max-height: calc(1.6em * 26 + 10px); }
.cx__fade { display: none; }
.cx__panel.is-collapsible .cx__fade {
  display: flex; justify-content: center; padding: 6px 8px;
  border-top: 1px dashed var(--rule-strong); background: var(--surface-2);
}
.cx__more {
  min-height: 32px; padding: 4px 12px; font: 500 var(--fs-sm)/1.2 var(--font-body); color: var(--accent-ink);
  background: transparent; border: 1px solid transparent; border-radius: var(--r-1); cursor: pointer;
}
.cx__more:hover { border-color: var(--accent); }

.cx__note {
  padding: 10px 12px 11px; font-size: var(--fs-sm); line-height: 1.55; color: var(--ink);
  background: var(--surface); border-top: 1px solid var(--rule);
}
.cx__note > :first-child { margin-top: 0; }
.cx__note > :last-child { margin-bottom: 0; }
.cx__panel > .cx__warn { margin: 10px 12px 12px; }
.cx--error .cx__warn, .dg--error .dg__warn { margin: 0; }
.cx__offscreen { position: fixed; left: -9999px; top: 0; opacity: 0; }

/* Resaltado (comentarios legibles: llevan la explicación línea a línea) */
.tk-com { color: var(--store); }
.tk-str { color: var(--offline); }
.tk-kw  { color: var(--monitor); font-weight: 500; }
.tk-key { color: var(--monitor); }
.tk-sec { color: var(--monitor); font-weight: 500; }
.tk-num, .tk-lit { color: var(--accent); }
.tk-fn, .tk-dec, .tk-var { color: var(--accent-ink); }

@media (max-width: 560px) {
  .dg__step-head { align-items: stretch; }
  .dg__step-btns { width: 100%; }
  .dg__step-btns .dg__btn { flex: 1 1 auto; justify-content: center; }
  .dg__btn--quiet { flex: 0 0 auto !important; }
  .cx__meta { padding-left: 10px; }
}

/* Sensei · diseño TrueML con la estructura de lectura de la Ronda de Diseño: barra lateral fija con el índice, la
   lección como una hoja alineada a la izquierda con secciones numeradas, «En esta página» a la derecha en pantallas
   anchas y un cajón con menú en el celular. Antes de este archivo el build pone vendor/trueml/tokens.css (los --tm-*)
   y vendor/ronda/components.css (los diagramas de la Ronda, que usan los nombres de abajo). */

/* ================================================================ tokens: los nombres de la Ronda, sobre TrueML */
:root {
  --bg: var(--tm-bg); --surface: var(--tm-card); --surface-2: #F4F6FC;
  --ink: var(--tm-ink); --ink-2: var(--tm-ink2); --muted: var(--tm-ink3); --rule: var(--tm-line); --rule-strong: #C9CEE0;
  --accent: var(--tm-acc); --accent-ink: #2C45D6; --accent-soft: var(--tm-chip);
  --offline: var(--tm-dojo); --offline-soft: #FBF0D8;
  --monitor: #6150D9; --monitor-soft: #EEEBFF;
  --store: var(--tm-okink); --store-soft: var(--tm-ok);
  --ok: var(--tm-okink); --ok-soft: var(--tm-ok);
  --bad: #C2441D; --bad-soft: #FCE9E1;
  --focus: var(--tm-acc);
  --shadow-pop: 0 18px 44px -14px rgba(14,21,48,.32), 0 0 0 1px rgba(14,21,48,.06);
  --scrim: rgba(10,15,34,.46);
  --font-display: var(--sans); --font-body: var(--sans); --font-mono: var(--mono);
  --fs-xs: 12px; --fs-sm: 13.5px; --fs-md: 16px; --fs-lg: 19px; --fs-xl: 26px; --fs-2xl: 40px;
  --r-1: 6px; --r-2: 12px; --r-3: 20px;
  --ease: cubic-bezier(.2,.7,.2,1); --dur: 160ms;
  --st-datos: #A86F00; --st-datos-soft: #FCF1D9; --st-modelo: #C9461C; --st-modelo-soft: #FDECE4; --st-api: #0C7A5B; --st-api-soft: #E3F7EF;
  --card-sh: 0 1px 0 rgba(14,21,48,.07), 0 0 0 1px rgba(14,21,48,.06);
  --sheet-sh: 0 1px 0 rgba(14,21,48,.06), 0 0 0 1px rgba(14,21,48,.05), 0 24px 48px -32px rgba(14,21,48,.28);
  --blk: #F6F7FC;
  --sidebar-w: 296px; --content-max: 860px; --content-wide: 1120px; --toc-w: 220px; --topbar-h: 56px; --gutter: 16px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --surface-2: #182148; --rule-strong: #33406E; --accent-ink: #A9B7FF; --offline-soft: #352A12;
    --monitor: #A99CFF; --monitor-soft: #221E4A; --bad: #FF8A5C; --bad-soft: #3A1F1A;
    --shadow-pop: 0 18px 44px -14px rgba(0,0,0,.7), 0 0 0 1px #232C52; --scrim: rgba(0,0,0,.6);
    --st-datos: #FFC857; --st-datos-soft: #33280F; --st-modelo: #FF8A5C; --st-modelo-soft: #3A1E14; --st-api: #5BE0B5; --st-api-soft: #0F3B30;
    --card-sh: 0 0 0 1px #232C52; --sheet-sh: 0 0 0 1px #1E2750, 0 24px 48px -28px rgba(0,0,0,.7);
    --blk: #18214A;
  }
}
:root[data-theme="dark"] {
  --surface-2: #182148; --rule-strong: #33406E; --accent-ink: #A9B7FF; --offline-soft: #352A12;
  --monitor: #A99CFF; --monitor-soft: #221E4A; --bad: #FF8A5C; --bad-soft: #3A1F1A;
  --shadow-pop: 0 18px 44px -14px rgba(0,0,0,.7), 0 0 0 1px #232C52; --scrim: rgba(0,0,0,.6);
  --st-datos: #FFC857; --st-datos-soft: #33280F; --st-modelo: #FF8A5C; --st-modelo-soft: #3A1E14; --st-api: #5BE0B5; --st-api-soft: #0F3B30;
  --card-sh: 0 0 0 1px #232C52; --sheet-sh: 0 0 0 1px #1E2750, 0 24px 48px -28px rgba(0,0,0,.7);
  --blk: #18214A;
}

/* ================================================================ base */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body {
  margin: 0; min-height: 100vh; color: var(--ink); font: 16px/1.65 var(--sans);
  background-color: var(--tm-bg);
  background-image: linear-gradient(var(--tm-grid) 1px, transparent 1px), linear-gradient(90deg, var(--tm-grid) 1px, transparent 1px);
  background-size: 32px 32px; background-attachment: fixed;
}
a { color: var(--accent-ink); text-decoration-color: color-mix(in srgb, currentColor 40%, transparent); text-underline-offset: 2px; }
a:hover { text-decoration-color: currentColor; }
h1, h2, h3, h4 { margin: 0; color: var(--ink); }
p { margin: 0; }
b, strong { color: var(--ink); }
code { font: .88em var(--mono); background: var(--tm-chip); border-radius: 6px; padding: .1em .38em; overflow-wrap: anywhere; }
summary { list-style: none; cursor: pointer; }
summary::-webkit-details-marker { display: none; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
::selection { background: rgba(255,200,87,.45); color: var(--ink); }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--surface); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow-pop); }
.skip:focus { left: 8px; }
.lbl { font: 700 11px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ico { width: 16px; height: 16px; flex: none; }

/* ================================================================ layout: lateral | hoja | en esta página */
.topbar { display: none; }
.sidebar {
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 30; width: var(--sidebar-w);
  display: flex; flex-direction: column; background: var(--surface); box-shadow: 1px 0 0 var(--rule);
  padding-top: env(safe-area-inset-top, 0px);
}
.shell {
  margin-left: var(--sidebar-w); min-height: 100vh;
  display: grid; grid-template-columns: minmax(0, var(--content-max)) var(--toc-w); column-gap: 40px; justify-content: center;
  padding: 0 32px;
}
.shell--ancho { grid-template-columns: minmax(0, var(--content-wide)); }
.main { min-width: 0; outline: none; }
.toc { position: sticky; top: 0; align-self: start; max-height: 100vh; overflow-y: auto; overscroll-behavior: contain; padding: 52px 0 32px; }
.backdrop { display: none; }
@media (min-width: 768px) {
  .main { background: var(--surface); border-radius: 24px; box-shadow: var(--sheet-sh); margin: 24px 0 48px; padding: 44px clamp(24px, 3.4vw, 48px) 56px; }
}
@media (max-width: 1199px) {
  .shell { grid-template-columns: minmax(0, var(--content-max)); padding: 0 28px; }
  .shell--ancho { grid-template-columns: minmax(0, var(--content-wide)); }
  .toc { display: none; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: calc(var(--topbar-h) + 12px); }
  .topbar {
    display: flex; align-items: center; gap: 8px; position: sticky; top: 0; z-index: 20;
    height: var(--topbar-h); padding: 0 var(--gutter) 0 8px; background: var(--surface); box-shadow: 0 1px 0 var(--rule);
    padding-top: env(safe-area-inset-top, 0px);
  }
  .topbar .brand { flex: 1; min-width: 0; }
  .topbar__prog { font: 600 12px/1 var(--mono); color: var(--muted); white-space: nowrap; }
  .sidebar { width: min(88vw, 340px); z-index: 50; transform: translateX(-102%); visibility: hidden; transition: transform 220ms var(--ease), visibility 0s linear 220ms; box-shadow: var(--shadow-pop); }
  .sidebar.is-open { transform: none; visibility: visible; transition: transform 220ms var(--ease), visibility 0s; }
  .backdrop { display: block; position: fixed; inset: 0; z-index: 45; background: var(--scrim); }
  .backdrop[hidden] { display: none; }
  .shell { margin-left: 0; padding: 0; }
  .main { background: var(--surface); padding: 22px var(--gutter) 64px; }
  .sidebar__close { display: inline-flex !important; }
}
html.drawer-open { overflow: hidden; }
.btn-ico { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 0; border-radius: 12px; background: transparent; color: var(--ink); cursor: pointer; }
.btn-ico:hover { background: var(--surface-2); }

/* ---------------------------------------------------------------- marca */
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink) !important; min-width: 0; }
.brand__mark { width: 22px; flex: none; display: block; }
.brand__txt { display: flex; flex-direction: column; min-width: 0; }
.brand__name { font: 800 17px/1.1 var(--sans); letter-spacing: -.02em; }
.brand__sub { font: 600 10.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------------------------------------------------------------- barra lateral */
.sidebar__head { display: flex; align-items: center; gap: 8px; padding: 18px 16px 12px; }
.sidebar__close { display: none !important; margin-left: auto; }
.side-search { position: relative; padding: 0 16px 12px; }
.side-search input { width: 100%; font: 14px/1.3 var(--sans); padding: 10px 34px 10px 12px; border-radius: 12px; border: 0; background: var(--surface-2); color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule); }
.side-search input:focus { outline: 2px solid var(--focus); outline-offset: 0; }
.side-search kbd { position: absolute; right: 26px; top: 9px; font: 600 11px/1 var(--mono); color: var(--muted); padding: 4px 6px; border-radius: 6px; box-shadow: inset 0 0 0 1px var(--rule-strong); }
.side-res { list-style: none; margin: 8px 0 0; padding: 6px; border-radius: 12px; background: var(--surface); box-shadow: var(--shadow-pop); max-height: 50vh; overflow-y: auto; }
.side-res[hidden] { display: none; }
.side-res a { display: flex; flex-direction: column; gap: 2px; padding: 8px 10px; border-radius: 8px; text-decoration: none; color: var(--ink); font: 600 14px/1.3 var(--sans); }
.side-res a:hover, .side-res a.is-sel { background: var(--accent-soft); }
.side-res small { font: 500 11.5px/1.3 var(--mono); color: var(--muted); }
.side-res .vacio { padding: 8px 10px; font: 13px/1.4 var(--sans); color: var(--muted); }
.side-prog { padding: 2px 16px 14px; }
.side-prog__row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.side-prog__row b { font: 600 12px/1 var(--mono); }
.strip { display: grid; grid-template-columns: repeat(var(--n), minmax(0, 1fr)); gap: 2px; }
.strip i { height: 8px; border-radius: 2px; background: var(--tm-off); }
.strip i.is-lista { background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--accent); }
.strip i.is-leida { background: var(--g); box-shadow: none; }
.strip i.is-pronto { background: repeating-linear-gradient(135deg, var(--tm-off) 0 2px, transparent 2px 4px); }
.nav { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 6px 8px 20px; box-shadow: inset 0 1px 0 var(--rule); }
.nav__top { display: flex; flex-direction: column; gap: 1px; padding: 8px 0 4px; }
.nav__group { padding-top: 10px; margin-top: 8px; box-shadow: inset 0 1px 0 var(--rule); }
.nav__group > summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 8px 8px 6px; border-radius: 8px; }
.nav__group > summary:hover { background: var(--surface-2); }
.nav__label { font: 700 11px/1.35 var(--mono); letter-spacing: .07em; text-transform: uppercase; color: var(--muted); }
.nav__fase { font: 600 10.5px/1 var(--mono); color: var(--muted); padding: 4px 6px; border-radius: 6px; box-shadow: inset 0 0 0 1px var(--rule); white-space: nowrap; }
.nav__fase.is-lista { color: var(--tm-okink); box-shadow: inset 0 0 0 1px var(--tm-okink); }
.nav__list { list-style: none; margin: 0; padding: 0; }
.nav__item { position: relative; display: grid; grid-template-columns: 22px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 7px 8px; border-radius: 8px; text-decoration: none; color: var(--ink); font: 14px/1.35 var(--sans); }
.nav__top .nav__item { grid-template-columns: 22px minmax(0, 1fr) auto; font-weight: 600; }
a.nav__item:hover { background: var(--surface-2); }
.nav__item[aria-current="page"] { background: var(--accent-soft); font-weight: 700; }
.nav__item[aria-current="page"]::before { content: ''; position: absolute; left: -8px; top: 8px; bottom: 8px; width: 3px; border-radius: 3px; background: var(--accent); }
.nav__num { font: 500 12px/1 var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
.nav__item.is-soon { color: var(--muted); cursor: default; }
.nav__mk { display: inline-flex; min-width: 16px; justify-content: flex-end; font: 700 12px/1 var(--sans); color: var(--g); }
.nav__item:not(.leida) .nav__mk-ok { visibility: hidden; }
.nav__count { font: 500 12px/1 var(--mono); color: var(--muted); }
.nav__item.is-hidden, .nav__group.is-hidden { display: none; }
.sidebar__foot { box-shadow: inset 0 1px 0 var(--rule); padding: 12px 16px calc(14px + env(safe-area-inset-bottom, 0px)); display: grid; gap: 10px; font: 12.5px/1.4 var(--sans); color: var(--muted); }
.sidebar__foot a { font-weight: 600; }
.tema { display: flex; gap: 2px; padding: 3px; border-radius: 999px; background: var(--surface-2); justify-self: start; }
.tema button { border: 0; cursor: pointer; font: 600 12.5px/1 var(--sans); padding: 7px 11px; border-radius: 999px; background: transparent; color: var(--ink-2); }
.tema button[aria-pressed="true"] { background: var(--ink); color: var(--surface); }
.tema-row { display: flex; align-items: center; gap: 10px; }

/* ================================================================ encabezado de la lección */
.phead { padding-bottom: 8px; }
.eyebrow { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: center; font: 700 11.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); margin-bottom: 12px; }
.eyebrow a { text-decoration: none; }
.phead__title { font: 800 clamp(30px, 4.4vw, 44px)/1.06 var(--sans); letter-spacing: -.035em; text-wrap: balance; }
.phead__en { margin-top: 8px; font: 400 13.5px/1.4 var(--mono); color: var(--muted); }
.phead__summary { margin-top: 14px; font: 18px/1.55 var(--sans); color: var(--ink-2); max-width: 64ch; text-wrap: pretty; }
.phead__meta { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; font: 500 13px/1.3 var(--sans); color: var(--muted); }
.phead__meta > span { display: inline-flex; align-items: center; gap: 6px; }
.phead__meta .tm-mini-txt { text-align: left; font: 700 11px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.phead__meta .tm-mini-wrap { flex-direction: row-reverse; }
.conecta { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.conecta .lbl { margin-right: 4px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font: 600 12.5px/1.2 var(--sans); padding: 6px 10px; border-radius: 999px; text-decoration: none; color: var(--ink-2); background: var(--surface-2); box-shadow: inset 0 0 0 1px var(--rule); }
a.chip:hover { color: var(--ink); box-shadow: inset 0 0 0 1px var(--accent); }
.chip b { font: 700 11.5px/1 var(--mono); color: var(--accent-ink); }
.chip--dojo b { color: var(--tm-dojo); }
.page-toc { display: none; margin: 22px 0 0; border-radius: 14px; background: var(--surface-2); }
.page-toc > summary { display: flex; align-items: center; gap: 8px; padding: 12px 14px; }
.page-toc > summary .chev { transition: transform var(--dur) var(--ease); color: var(--muted); }
.page-toc[open] > summary .chev { transform: rotate(90deg); }
.page-toc__count { margin-left: auto; font: 500 12px/1 var(--mono); color: var(--muted); }
.page-toc ol { list-style: none; margin: 0; padding: 0 8px 10px; }
@media (max-width: 1199px) { .page-toc { display: block; } }

/* «En esta página» */
.toc__title { margin: 0 0 12px; font: 700 11.5px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.toc__list { list-style: none; margin: 0; padding: 0; box-shadow: inset 1px 0 0 var(--rule); }
.toc__link { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 2px; padding: 5px 4px 5px 12px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; font: 13.5px/1.35 var(--sans); }
.toc__link:hover { color: var(--ink); }
.toc__link.is-current { border-left-color: var(--accent); color: var(--ink); font-weight: 600; }
.toc__n { font: 500 11.5px/1.5 var(--mono); color: var(--muted); }
.page-toc .toc__link { border-left: 0; padding: 7px 8px; font-size: 14px; }
.page-toc .toc__link.is-current { background: var(--accent-soft); border-radius: 8px; }
.toc__foot { margin-top: 18px; padding-top: 12px; box-shadow: inset 0 1px 0 var(--rule); font: 12.5px/1.45 var(--sans); color: var(--muted); }

/* ================================================================ cuerpo de la lección */
.prose { font-size: 17px; line-height: 1.72; }
.prose > * + *, .sec__body > * + * { margin-top: 20px; }
.prose p, .prose li { color: var(--ink-2); text-wrap: pretty; }
.prose ul, .prose ol:not(.c-pasos):not(.c-chequeo) { margin-bottom: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 7px; }
.prose blockquote { margin: 0; border-left: 3px solid var(--rule-strong); padding-left: 16px; font-style: italic; }
.sec { padding-top: 36px; margin-top: 40px; box-shadow: inset 0 1px 0 var(--rule); scroll-margin-top: 12px; }
.sec__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 20px; }
.sec__num { font: 600 14px/1 var(--mono); color: var(--accent-ink); }
.sec__title { flex: 0 1 auto; min-width: 0; font: 800 clamp(22px, 2.6vw, 27px)/1.2 var(--sans); letter-spacing: -.022em; text-wrap: balance; }
.sec__en { flex-basis: 100%; margin: 0; font: 400 13px/1.4 var(--mono); color: var(--muted); }
.b-h3 { font: 800 19px/1.3 var(--sans); letter-spacing: -.012em; margin-top: 30px !important; }
.b-h3 + .sec__en { margin-top: 2px !important; }
.prose h4 { font: 800 17px/1.3 var(--sans); }
@media (max-width: 767px) { .prose { font-size: 16.5px; } .sec { margin-top: 28px; padding-top: 28px; } .phead__summary { font-size: 17px; } }

/* las palabras del glosario: subrayado punteado; abren su globo */
a.g { color: inherit !important; text-decoration: underline dotted var(--tm-acc); text-decoration-thickness: 2px; text-underline-offset: 4px; cursor: help; border-radius: 4px; }
a.g:hover, a.g[aria-expanded="true"] { background: var(--accent-soft); text-decoration-style: solid; }

/* la pregunta del principio */
.c-pregunta { margin-top: 26px; border-radius: 18px; background: var(--blk); box-shadow: inset 4px 0 0 var(--accent); padding: 18px 22px 16px 24px; display: flex; flex-direction: column; gap: 8px; }
.c-pregunta > p { font: 800 clamp(19px, 2.2vw, 23px)/1.3 var(--sans); color: var(--ink); letter-spacing: -.01em; text-wrap: balance; }
.c-req { font: 14px/1.5 var(--sans); color: var(--muted); }

/* bloques: idea, analogía, ojo, nota, ejemplo, para ir más hondo */
.c-idea, .c-analogia, .c-ojo, .c-nota, .c-ejemplo { border-radius: 18px; padding: 18px 22px 18px 24px; display: flex; flex-direction: column; gap: 10px; background: var(--blk); }
.c-idea > div, .c-analogia > div, .c-ojo > div, .c-nota > div, .c-ejemplo > div, .c-profundo > div { display: flex; flex-direction: column; gap: 12px; }
.c-idea p, .c-analogia p, .c-ojo p, .c-nota p, .c-ejemplo p, .c-profundo p, .c-idea li, .c-analogia li, .c-ojo li, .c-ejemplo li, .c-profundo li { font-size: 16.5px; line-height: 1.65; }
.c-lbl { font: 700 11px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.c-idea { box-shadow: inset 4px 0 0 var(--y); }
.c-idea .c-lbl { color: var(--tm-dojo); }
.c-idea p { font: 700 clamp(18px, 2vw, 21px)/1.45 var(--sans); color: var(--ink); }
.c-analogia { box-shadow: inset 4px 0 0 var(--p); }
.c-analogia .c-lbl { color: var(--monitor); }
.c-ojo { box-shadow: inset 4px 0 0 var(--tm-warn); }
.c-ojo .c-lbl { color: var(--tm-warn); }
.c-ejemplo { box-shadow: inset 4px 0 0 var(--g); }
.c-ejemplo .c-lbl { color: var(--tm-okink); }
.c-nota { background: transparent; border: 2px dashed var(--rule); }
.c-nota p { font-size: 15px; }
.c-profundo { border-radius: 18px; box-shadow: inset 0 0 0 1px var(--rule); }
.c-profundo > summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: center; padding: 16px 20px; }
.c-profundo-t { font: 700 16.5px/1.35 var(--sans); color: var(--ink); }
.c-profundo > summary i { grid-column: 2; grid-row: 1 / span 2; font: 700 22px/1 var(--sans); font-style: normal; color: var(--accent); transition: transform .2s; }
.c-profundo[open] > summary i { transform: rotate(45deg); }
.c-profundo > div { padding: 0 20px 18px; }

/* pasos numerados */
.c-pasos { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.c-pasos > li { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 14px; padding: 16px 18px; border-radius: 18px; background: var(--blk); }
.c-pasos-n { width: 38px; height: 38px; border-radius: 11px; background: var(--ink); color: var(--surface); display: flex; align-items: center; justify-content: center; font: 800 17px/1 var(--mono); }
.c-pasos > li > div { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.c-pasos p { font-size: 16.5px; }
@media (max-width: 480px) { .c-pasos > li { grid-template-columns: minmax(0, 1fr); } }

/* código y tablas */
.c-code { border-radius: 14px; overflow: hidden; background: var(--tm-code); }
.c-code pre { margin: 0; padding: 14px 16px; color: var(--tm-codeink); font: 13px/1.6 var(--mono); overflow-x: auto; }
.c-code pre code { font: inherit; background: none; padding: 0; overflow-wrap: normal; }
.c-tabla { overflow-x: auto; border-radius: 16px; box-shadow: inset 0 0 0 1px var(--rule); }
.c-tabla table { width: 100%; min-width: 560px; border-collapse: collapse; font: 14.5px/1.5 var(--sans); color: var(--ink-2); }
.c-tabla thead th { text-align: left; padding: 12px 16px; font: 700 11px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); background: var(--surface-2); }
.c-tabla tbody th, .c-tabla td { text-align: left; vertical-align: top; padding: 11px 16px; border-top: 1px solid var(--rule); }
.c-tabla tbody th { color: var(--ink); font-weight: 700; width: 22%; }

/* figuras hechas a mano (SVG con los colores de los tokens) */
.c-figura { margin: 28px 0 !important; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.c-figura svg { width: 100%; height: auto; display: block; }
.c-figura figcaption { font: 13.5px/1.55 var(--sans); color: var(--muted); text-align: center; max-width: 520px; text-wrap: pretty; }
.f-svg text { font-family: var(--sans); }
.f-card { fill: var(--blk); stroke: var(--rule); stroke-width: 1.5; }
.f-chip { fill: var(--tm-chip); }
.f-dark { fill: var(--navy); stroke: var(--rule); stroke-width: 1.5; }
.f-t { fill: var(--ink); font-size: 15px; font-weight: 700; }
.f-s { fill: var(--ink-2); font-size: 13px; }
.f-l { fill: var(--muted); font: 600 11px var(--mono); letter-spacing: .08em; }
.f-dark-l { fill: #8F9BC9; font: 600 11px var(--mono); letter-spacing: .08em; }
.f-dark-t { fill: #E6EAFB; font-size: 13px; }
.f-knob { fill: #26306A; stroke: #8FA2FF; stroke-width: 2; }
.f-knob-i { stroke: #FFC857; stroke-width: 3; stroke-linecap: round; }
.f-giro { fill: none; stroke: #FFC857; stroke-width: 2; }
.f-giro-p { fill: #FFC857; }
.f-flecha { stroke: var(--muted); stroke-width: 2; fill: none; }
.f-punta { fill: var(--muted); }
.f-linea { fill: none; stroke: var(--muted); stroke-width: 1.5; }
.f-ink { fill: var(--ink); }
.f-cord { stroke: var(--blk); stroke-width: 2; stroke-linecap: round; }
.f-o { fill: var(--o); } .f-y { fill: var(--y); } .f-g { fill: var(--g); } .f-b { fill: var(--b); } .f-p { fill: var(--p); }
.f-b2 { fill: var(--b); opacity: .45; }
.f-off { fill: var(--tm-off); }
.f-acc { fill: var(--tm-acc); }
.f-acc-t { fill: var(--surface); font: 800 16px var(--sans); }
.f-pill-t { fill: #fff; font: 800 15px var(--sans); }

/* ================================================================ diagramas: el motor de la Ronda (vendor/ronda) */
.dg-mount { margin: 28px 0 !important; min-width: 0; }
.dg-mount .dg { margin: 0; }
.dg-sinjs { margin: 0; padding: 16px 18px; border-radius: 16px; box-shadow: inset 0 0 0 1px var(--rule); font: 14.5px/1.55 var(--sans); }
.dg-sinjs ul { margin: 10px 0 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; }
.dg-mount.is-listo .dg-sinjs { display: none; }
.dg__canvas { border: 0; border-radius: 20px; box-shadow: var(--card-sh); background: var(--surface); overflow: hidden; }
.dg__scroll { padding: 10px; }
.dg-grid { fill: var(--rule-strong); fill-opacity: .55; }
.dg { --dg-lane-a: .06; }
.dg-node__shape { stroke-width: 1.6; }
.dg-node__label { font-weight: 700; }
.dg-elabel__bg { stroke-opacity: .45; }
.dg__flowbtn { border-radius: 999px; }
.dg__btn { border-radius: 12px; font-weight: 700; }
.dg__btn--primary, .dg__btn--primary:hover:not(:disabled) { background: var(--yt); border-color: var(--yt); color: var(--navy); box-shadow: 0 3px 0 var(--yd); }
.dg__step, .dg__note { border: 0; border-radius: 16px; box-shadow: var(--card-sh), inset 4px 0 0 var(--dg-c, var(--accent)); }
.dg__step { --dg-c: var(--accent); }
.dg__item-sw { border-radius: 3px; }
.dg__item-kind { border-radius: 999px; padding: 0 8px; }
.dg__expand { border-radius: 10px; }
.dg__eyebrow, .dg__group-title, .dg__step-flow { font-family: var(--mono); font-weight: 700; letter-spacing: .08em; }
.dg__title { font-weight: 800; letter-spacing: -.02em; }
.dg-e-online .dg-edge__flow { opacity: .55; animation: dg-flow 1.8s linear infinite; }
.dg.is-focusing .dg-edge:not(.is-hl) .dg-edge__flow { opacity: 0; }
@media (prefers-reduced-motion: reduce) { .dg-e-online .dg-edge__flow { animation: none; opacity: 0; } }

/* ================================================================ conceptos, chequeo y cierre */
.c-conceptos { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); gap: 10px; align-items: start; }
.c-k { border-radius: 16px; box-shadow: inset 0 0 0 1px var(--rule); scroll-margin-top: 16px; min-width: 0; }
.c-k:target { box-shadow: inset 0 0 0 2px var(--y); }
.c-k > summary { padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.c-k-t { font: 800 16px/1.25 var(--sans); color: var(--ink); }
.c-k-en { font: 500 12px/1.3 var(--mono); color: var(--accent-ink); }
.c-k-def { font: 14px/1.5 var(--sans); color: var(--ink-2); }
.c-mas { font: 700 12.5px/1.2 var(--sans); color: var(--accent-ink); margin-top: 2px; }
.c-mas i { font-style: normal; display: inline-block; transition: transform .2s; }
.c-k[open] .c-mas i { transform: rotate(45deg); }
.c-k-body { padding: 0 16px 16px; display: flex; flex-direction: column; gap: 8px; }
.c-k-body p { font: 14px/1.55 var(--sans); color: var(--ink-2); }
.c-chequeo { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.c-chequeo details { border-radius: 16px; box-shadow: inset 0 0 0 1px var(--rule); }
.c-chequeo summary { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 14px 16px; }
.c-num { width: 30px; height: 30px; border-radius: 9px; background: var(--accent-soft); color: var(--accent-ink); display: flex; align-items: center; justify-content: center; font: 800 13px/1 var(--mono); }
.c-q { font: 700 16px/1.4 var(--sans); color: var(--ink); }
.c-ver { font: 700 12px/1 var(--sans); color: var(--accent-ink); white-space: nowrap; padding: 7px 10px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--rule); }
.c-chequeo details[open] .c-ver { visibility: hidden; }
.c-chequeo details[open] .c-num { background: var(--g); color: var(--navy); }
.c-a { padding: 0 16px 16px 58px; display: flex; flex-direction: column; gap: 8px; }
.c-a p { font: 15.5px/1.6 var(--sans); color: var(--ink-2); }
@media (max-width: 480px) { .c-chequeo summary { grid-template-columns: 30px minmax(0, 1fr); } .c-ver { grid-column: 2; justify-self: start; } .c-a { padding-left: 16px; } }

.cierre { margin-top: 44px; padding-top: 28px; box-shadow: inset 0 1px 0 var(--rule); display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); gap: 12px; }
.cierre > .btn { grid-column: 1 / -1; justify-self: start; }
.btn { display: inline-flex; align-items: center; gap: 8px; border: 0; cursor: pointer; font: 700 15px/1.2 var(--sans); background: var(--yt); color: var(--navy) !important; padding: 14px 20px; border-radius: 14px; box-shadow: 0 5px 0 var(--yd); text-decoration: none; transition: transform .08s ease, box-shadow .08s ease; }
.btn:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--yd); }
.btn--2 { background: var(--surface-2); color: var(--ink) !important; box-shadow: 0 5px 0 var(--rule-strong); }
.btn--2:active { box-shadow: 0 1px 0 var(--rule-strong); }
.c-leida .si { display: none; }
.c-leida[aria-pressed="true"] { background: var(--g); box-shadow: 0 5px 0 #0E8A66; }
.c-leida[aria-pressed="true"] .no { display: none; }
.c-leida[aria-pressed="true"] .si { display: inline; }
.card { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px; border-radius: 18px; background: var(--blk); text-decoration: none; color: var(--ink) !important; min-width: 0; }
a.card:hover { box-shadow: inset 0 0 0 2px var(--accent); }
.card b { font: 800 18px/1.25 var(--sans); }
.card .txt { font: 14px/1.5 var(--sans); color: var(--ink-2); }
.card--pronto { background: transparent; box-shadow: inset 0 0 0 1px var(--rule); }
.card--dojo { box-shadow: inset 4px 0 0 var(--y); }
.card--dojo .lbl { color: var(--tm-dojo); }
.card--ronda { box-shadow: inset 4px 0 0 var(--accent); }
.c-ant { grid-column: 1 / -1; font: 600 14px/1.3 var(--sans); text-decoration: none; }
.pie { margin-top: 48px; padding-top: 18px; box-shadow: inset 0 1px 0 var(--rule); font: 13px/1.55 var(--sans); color: var(--muted); display: flex; flex-direction: column; gap: 6px; }

/* ================================================================ el globo de una palabra del glosario */
.g-pop { position: fixed; z-index: 60; width: min(380px, calc(100vw - 24px)); }
.g-pop[hidden] { display: none; }
.g-pop-in { position: relative; background: var(--surface); border-radius: 18px; padding: 18px 20px 16px; display: flex; flex-direction: column; gap: 6px; box-shadow: var(--shadow-pop); }
.g-pop-t { font: 800 19px/1.25 var(--sans); color: var(--ink); padding-right: 32px; }
.g-pop-en { font: 500 12px/1.3 var(--mono); color: var(--accent-ink); }
.g-pop-en:empty { display: none; }
.g-pop-def { margin: 4px 0 0; font: 16px/1.55 var(--sans); color: var(--ink-2); }
.g-pop-donde { margin: 0; font: 13px/1.5 var(--sans); color: var(--muted); }
.g-pop-donde:empty { display: none; }
.g-pop-ir { font: 700 14px/1.3 var(--sans); text-decoration: none; margin-top: 4px; }
.g-pop-x { position: absolute; top: 10px; right: 10px; width: 34px; height: 34px; border: 0; border-radius: 10px; background: var(--surface-2); color: var(--ink-2); font: 700 20px/1 var(--sans); cursor: pointer; }
@media (max-width: 600px) {
  .g-pop { left: 0 !important; right: 0; bottom: 0; top: auto !important; width: auto; }
  .g-pop-in { border-radius: 20px 20px 0 0; padding: 20px 20px calc(18px + env(safe-area-inset-bottom)); }
}

/* ================================================================ inicio */
.home-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 300px); gap: 24px 40px; align-items: center; }
.home-hero h1 { font: 800 clamp(44px, 6vw, 72px)/.95 var(--sans); letter-spacing: -.045em; }
.home-hero .titular { margin-top: 16px; font: 700 20px/1.4 var(--sans); color: var(--ink); max-width: 30ch; text-wrap: balance; }
.home-hero .lead { margin-top: 12px; font: 17px/1.6 var(--sans); color: var(--ink-2); max-width: 56ch; }
.home-hero .btns { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 12px; }
.home-t { max-width: 300px; justify-self: center; width: 100%; }
@media (max-width: 860px) { .home-hero { grid-template-columns: minmax(0, 1fr); } .home-t { max-width: 220px; } }
.home-sec { margin-top: 44px; padding-top: 32px; box-shadow: inset 0 1px 0 var(--rule); display: flex; flex-direction: column; gap: 16px; }
.home-sec > h2 { font: 800 26px/1.2 var(--sans); letter-spacing: -.022em; }
.home-sec > p { font: 16.5px/1.65 var(--sans); color: var(--ink-2); max-width: 70ch; }
.prog { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 24px; align-items: center; padding: 18px 20px; border-radius: 18px; background: var(--blk); }
.prog__big { font: 800 34px/1 var(--sans); letter-spacing: -.02em; }
.prog__big small { font: 600 14px var(--sans); color: var(--muted); letter-spacing: 0; }
.prog .strip i { height: 12px; }
.prog__ley { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px 16px; font: 12.5px/1.3 var(--sans); color: var(--muted); }
.prog__ley i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: -1px; }
.ruta { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); gap: 10px; }
.ruta .card { height: 100%; }
.ruta .n { width: 30px; height: 30px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font: 800 14px/1 var(--mono); background: var(--ink); color: var(--surface); }
.mods { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 12px; align-items: start; }
.mod { display: flex; flex-direction: column; gap: 12px; padding: 18px; border-radius: 18px; background: var(--blk); }
.mod__h { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 12px; align-items: start; }
.mod__n { width: 34px; height: 34px; border-radius: 10px; background: var(--ink); color: var(--surface); display: flex; align-items: center; justify-content: center; font: 800 15px/1 var(--mono); }
.mod--pronto .mod__n { background: var(--tm-off); color: var(--muted); }
.mod__h h3 { font: 800 17px/1.25 var(--sans); }
.mod__h p { grid-column: 2; font: 14px/1.5 var(--sans); color: var(--ink-2); }
.mod__est { font: 700 11px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.tls { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.tl { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; gap: 8px; align-items: center; padding: 8px 10px; border-radius: 10px; text-decoration: none; color: var(--ink) !important; font: 600 14px/1.35 var(--sans); }
a.tl { background: var(--surface); box-shadow: var(--card-sh); }
a.tl:hover { box-shadow: 0 0 0 2px var(--accent); }
.tl.is-soon { color: var(--muted) !important; font-weight: 500; }
.tl__n { font: 500 12px/1 var(--mono); color: var(--muted); }
.tl__ok { width: 20px; height: 20px; border-radius: 50%; display: none; align-items: center; justify-content: center; background: var(--g); color: #fff; font: 800 11px/1 var(--sans); }
.tl.leida .tl__ok { display: flex; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }

/* ================================================================ glosario y «Para leer la Ronda» */
.buscar { display: flex; flex-direction: column; gap: 8px; max-width: 520px; margin-top: 20px; }
.buscar input { font: 17px/1.3 var(--sans); padding: 13px 15px; border-radius: 14px; border: 0; background: var(--surface-2); color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule); }
.buscar input:focus { outline: 2px solid var(--focus); outline-offset: 0; }
.letras { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 14px; }
.letras a { font: 700 13px/1 var(--mono); width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 9px; background: var(--surface-2); text-decoration: none; }
.letra { margin-top: 32px; scroll-margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.letra > h2 { font: 800 24px/1 var(--mono); color: var(--muted); }
.g-lista { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 10px; align-items: start; }
.gent { display: flex; flex-direction: column; gap: 8px; padding: 16px 18px; border-radius: 16px; background: var(--blk); scroll-margin-top: 16px; }
.gent:target { box-shadow: inset 0 0 0 2px var(--y); }
.gent__h { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.gent__h h3 { font: 800 18px/1.2 var(--sans); }
.gent__def { font: 600 15px/1.55 var(--sans); color: var(--ink); }
.gent p { font: 14.5px/1.55 var(--sans); color: var(--ink-2); }
.gent__pie { display: flex; flex-wrap: wrap; gap: 2px 14px; font: 12.5px/1.5 var(--sans); color: var(--muted); }
.gent__pie:empty { display: none; }
.gent[hidden], .letra[hidden] { display: none; }
.rmods { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 12px; align-items: start; }
.rmod { display: flex; flex-direction: column; gap: 10px; padding: 18px; border-radius: 18px; background: var(--blk); }
.rmod__h { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.rmod__h a { font: 800 17px/1.3 var(--sans); text-decoration: none; color: var(--ink); }
.rmod__h a b { font: 700 13px var(--mono); color: var(--accent-ink); margin-right: 6px; }
.rmod__cob { font: 600 12px/1 var(--mono); color: var(--muted); white-space: nowrap; }
.rmod .strip i { height: 6px; }

/* ================================================================ secciones esenciales y extra (como la prioridad de la Ronda) */
.prio { align-self: center; display: inline-flex; align-items: center; min-height: 22px; padding: 2px 8px; border-radius: 999px; font: 700 10.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.prio--core { background: var(--accent-soft); color: var(--accent-ink); }
.prio--extra { background: transparent; color: var(--muted); box-shadow: inset 0 0 0 1px var(--rule-strong); }
.sec--extra .sec__num { color: var(--muted); }
.toc__link small { font: 600 10px/1 var(--mono); letter-spacing: .05em; text-transform: uppercase; color: var(--muted); margin-left: 4px; }

/* ================================================================ la cuenta (como el bloque calc de la Ronda) y las calculadoras */
.calc, .cx-calc { margin: 24px 0 !important; border-radius: 16px; background: var(--blk); box-shadow: inset 0 3px 0 var(--y); overflow: hidden; }
.calc__head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; box-shadow: inset 0 -1px 0 var(--rule); }
.calc__icon { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 7px; background: var(--yt); color: var(--navy); font: 800 14px/1 var(--sans); flex: none; }
.calc__title { flex: 1; min-width: 0; font: 700 15px/1.35 var(--sans); color: var(--ink); }
.calc__tag { font: 700 10.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--tm-dojo); }
.calc__rows { display: flex; flex-direction: column; }
.calc__row { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.5fr) minmax(0, .9fr); gap: 4px 14px; align-items: baseline; padding: 10px 16px; box-shadow: inset 0 -1px 0 var(--rule); }
.calc__label { display: flex; flex-direction: column; gap: 2px; font: 600 14.5px/1.4 var(--sans); color: var(--ink); min-width: 0; }
.calc__note { font: 500 12.5px/1.4 var(--sans); color: var(--muted); }
.calc__expr { font: 400 13px/1.5 var(--mono); color: var(--ink-2); overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.calc__value { text-align: right; font: 700 14.5px/1.5 var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.calc__eq { color: var(--muted); margin-right: .4em; font-weight: 400; }
.calc__result { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 14px; align-items: baseline; padding: 12px 16px; background: color-mix(in srgb, var(--y) 14%, transparent); }
.calc__result-k { font: 700 10.5px/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--tm-dojo); }
.calc__result-v { font: 600 15px/1.55 var(--sans); color: var(--ink); }
@media (max-width: 560px) {
  .calc__row { grid-template-columns: minmax(0, 1fr) auto; }
  .calc__expr { grid-column: 1 / -1; grid-row: 2; }
  .calc__result { grid-template-columns: minmax(0, 1fr); }
}
.cx-calc { box-shadow: inset 0 3px 0 var(--b); }
.cx-calc .calc__icon { background: var(--b); color: #fff; }
.cx-calc .calc__tag { color: var(--accent-ink); }
.cx-intro, .cx-nota, .cx-pie { margin: 0; padding: 12px 16px 0; font: 14.5px/1.55 var(--sans); color: var(--ink-2); }
.cx-nota { padding-bottom: 14px; color: var(--muted); }
.cx-pie { padding-bottom: 14px; font-size: 13.5px; color: var(--muted); }
.cx-ins { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 10px 18px; padding: 14px 16px 6px; }
.cx-in { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 10px; align-items: center; }
.cx-in__l { grid-column: 1; font: 600 13.5px/1.35 var(--sans); color: var(--ink); }
.cx-in__v { grid-column: 2; grid-row: 1; font: 700 13.5px/1 var(--mono); color: var(--accent-ink); font-variant-numeric: tabular-nums; }
.cx-in input { grid-column: 1 / -1; width: 100%; accent-color: var(--b); }
.cx-in input[type="number"] { font: 15px/1.2 var(--mono); padding: 8px 10px; border-radius: 10px; border: 0; background: var(--surface); color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule); }
.cx-outs { display: flex; flex-direction: column; gap: 0; margin: 8px 16px 4px; border-radius: 12px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--rule); }
.cx-out { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 12px; align-items: baseline; padding: 10px 14px; box-shadow: inset 0 -1px 0 var(--rule); }
.cx-out:last-child { box-shadow: none; }
.cx-out__l { display: flex; flex-direction: column; gap: 2px; font: 600 14px/1.4 var(--sans); color: var(--ink-2); }
.cx-out__l small { font: 500 12px/1.4 var(--sans); color: var(--muted); }
.cx-out__v { font: 800 16px/1.2 var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; text-align: right; }
.cx-bar { grid-column: 1 / -1; height: 8px; border-radius: 999px; background: var(--tm-off); overflow: hidden; }
.cx-bar i { display: block; height: 100%; border-radius: 999px; background: var(--b); transition: width .15s ease; }
@media (prefers-reduced-motion: reduce) { .cx-bar i { transition: none; } }

/* ================================================================ ejercicios (práctica con solución paso a paso) */
.c-ejercicios { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.c-ej { border-radius: 16px; box-shadow: inset 0 0 0 1px var(--rule); padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.c-ej-q { display: grid; grid-template-columns: 30px auto minmax(0, 1fr); gap: 4px 10px; align-items: start; }
.c-ej-q .c-q { grid-column: 3; }
.c-ej-q .c-q p { font: 600 16px/1.5 var(--sans); color: var(--ink); }
.c-ej-q .c-q > * + * { margin-top: 8px; }
.c-niv { margin-top: 5px; font: 700 10.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 5px 8px; border-radius: 999px; white-space: nowrap; }
.c-ej--facil .c-niv { background: color-mix(in srgb, var(--g) 18%, transparent); color: var(--tm-okink); }
.c-ej--medio .c-niv { background: color-mix(in srgb, var(--y) 20%, transparent); color: var(--tm-dojo); }
.c-ej--reto .c-niv { background: color-mix(in srgb, var(--o) 18%, transparent); color: var(--bad); }
.c-ej-sol > summary { display: inline-flex; font: 700 13px/1 var(--sans); color: var(--accent-ink); padding: 8px 12px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--rule); margin-left: 40px; }
.c-ej-sol[open] > summary { background: var(--accent-soft); }
.c-ej-sol .c-a { padding: 12px 0 0 40px; }
@media (max-width: 480px) { .c-ej-q { grid-template-columns: 30px minmax(0, 1fr); } .c-ej-q .c-q { grid-column: 1 / -1; } .c-ej-sol > summary, .c-ej-sol .c-a { margin-left: 0; padding-left: 0; } }

/* ================================================================ código y su salida real */
.c-code { position: relative; }
.c-code-h { display: block; padding: 8px 16px 0; font: 600 11.5px/1.2 var(--mono); color: var(--tm-codeink2); }
.c-code-h + pre { padding-top: 6px; }
.c-salida { margin-top: -10px !important; border-radius: 0 0 14px 14px; background: color-mix(in srgb, var(--tm-code) 82%, var(--g)); overflow: hidden; }
.c-salida-h { display: block; padding: 8px 16px 0; font: 700 10.5px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: #9BE7CC; }
.c-salida pre { margin: 0; padding: 6px 16px 14px; color: var(--tm-codeink); font: 13px/1.6 var(--mono); overflow-x: auto; }
.c-salida pre code { background: none; padding: 0; font: inherit; overflow-wrap: normal; }