/* ============================================================
   Método Nerdo Learn · estilos del motor de POC
   Tokens copiados del informe (metodo-nerdo-learn.html).
   ============================================================ */
:root {
  color-scheme: light;
  --paper: #F3EFE6; --paper-deep: #EAE4D6; --sheet: #FBF9F4; --white: #FFFFFF;
  --ink: #16202E; --ink-2: #3C4757; --ink-3: #4A5566; --ink-deep: #0F1722;
  --line: #D6CFBF; --line-2: #E4DDCD; --line-3: #B7AE9C;
  --grid-line: rgba(22, 32, 46, .055);
  --blue: #1F4E8C; --blue-hover: #163B6B; --blue-bg: #E6ECF3;
  --orange: #B4471F; --orange-text: #9A3A17; --orange-soft: #E3A07F;
  --green: #2F6B45; --ok-bg: #EEF4EE; --bad-bg: #F8ECE5; --warn-row: #FBF1E8; --warn-text: #9A5B12;
  --on-blue: var(--sheet);
  --sombra-color: var(--ink);
  --font-display: 'Archivo', 'Arial Narrow', system-ui, sans-serif;
  --font-sans: 'IBM Plex Sans', system-ui, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, 'DejaVu Sans Mono', monospace;
  --fs-display-l: clamp(2rem, 1.55rem + 2vw, 3rem);
  --fs-display-s: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --fs-body: 1.0625rem; --fs-body-s: 0.9375rem;
  --fs-caption: 0.8125rem; --fs-label: 0.75rem;
  --track-eyebrow: 0.12em; --track-label: 0.08em;
  --radio: 0.75rem;
  --borde: 1px solid var(--line-2);
  --borde-suave: 1px solid var(--line);
  /* Relieve: luz desde arriba, sombras difusas en capas, superficie con leve degradado */
  --luz: inset 0 1px 0 color-mix(in srgb, #fff 55%, transparent);
  --relieve: linear-gradient(180deg, color-mix(in srgb, #fff 45%, var(--sheet)) 0%, var(--sheet) 100%);
  --sombra-chica: 0 1px 2px color-mix(in srgb, var(--sombra-color) 12%, transparent), 0 4px 10px -3px color-mix(in srgb, var(--sombra-color) 18%, transparent);
  --sombra-dura-chica: 0 1px 2px color-mix(in srgb, var(--sombra-color) 12%, transparent), 0 8px 18px -8px color-mix(in srgb, var(--sombra-color) 26%, transparent);
  --sombra-dura: 0 2px 4px color-mix(in srgb, var(--sombra-color) 10%, transparent), 0 22px 40px -14px color-mix(in srgb, var(--sombra-color) 34%, transparent);
  --texto-relieve: 0 1px 0 rgba(255, 255, 255, .7);
  --foco: 2px solid var(--blue);
  --gutter: 1rem;
  /* Colores por familia de adaptador */
  --ad-stem: var(--blue); --ad-clinical: #8C1F4E; --ad-social: var(--green); --ad-humanities: var(--orange);
  --serie-1: var(--blue); --serie-2: var(--orange); --serie-3: var(--green);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #0F1722; --paper-deep: #0A1019; --sheet: #16202E; --white: #111A26;
    --ink: #F3EFE6; --ink-2: #C9CFD8; --ink-3: #97A1B0; --ink-deep: #0A1019;
    --line: #3A4250; --line-2: #283140; --line-3: #5E6776;
    --grid-line: rgba(243, 239, 230, .05);
    --blue: #7FA6D9; --blue-hover: #A3C0E6; --blue-bg: #1A2A40;
    --orange: #E3A07F; --orange-text: #EBB296; --orange-soft: #E3A07F;
    --green: #7FBF93; --ok-bg: #15271E; --bad-bg: #2C1C16; --warn-row: #272015; --warn-text: #E0B06A;
    --sombra-color: #000; --ad-clinical: #D98FB0;
    --borde: 1px solid var(--line);
    --luz: inset 0 1px 0 rgba(255, 255, 255, .08);
    --relieve: linear-gradient(180deg, #1D2A3D 0%, var(--sheet) 100%);
    --sombra-chica: 0 1px 2px rgba(0, 0, 0, .45), 0 4px 12px -3px rgba(0, 0, 0, .6);
    --sombra-dura-chica: 0 1px 2px rgba(0, 0, 0, .45), 0 10px 22px -8px rgba(0, 0, 0, .75);
    --sombra-dura: 0 2px 4px rgba(0, 0, 0, .4), 0 24px 44px -14px rgba(0, 0, 0, .85);
    --texto-relieve: 0 1px 1px rgba(0, 0, 0, .5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0F1722; --paper-deep: #0A1019; --sheet: #16202E; --white: #111A26;
  --ink: #F3EFE6; --ink-2: #C9CFD8; --ink-3: #97A1B0; --ink-deep: #0A1019;
  --line: #3A4250; --line-2: #283140; --line-3: #5E6776;
  --grid-line: rgba(243, 239, 230, .05);
  --blue: #7FA6D9; --blue-hover: #A3C0E6; --blue-bg: #1A2A40;
  --orange: #E3A07F; --orange-text: #EBB296; --orange-soft: #E3A07F;
  --green: #7FBF93; --ok-bg: #15271E; --bad-bg: #2C1C16; --warn-row: #272015; --warn-text: #E0B06A;
  --sombra-color: #000; --ad-clinical: #D98FB0;
    --borde: 1px solid var(--line);
    --luz: inset 0 1px 0 rgba(255, 255, 255, .08);
    --relieve: linear-gradient(180deg, #1D2A3D 0%, var(--sheet) 100%);
    --sombra-chica: 0 1px 2px rgba(0, 0, 0, .45), 0 4px 12px -3px rgba(0, 0, 0, .6);
    --sombra-dura-chica: 0 1px 2px rgba(0, 0, 0, .45), 0 10px 22px -8px rgba(0, 0, 0, .75);
    --sombra-dura: 0 2px 4px rgba(0, 0, 0, .4), 0 24px 44px -14px rgba(0, 0, 0, .85);
    --texto-relieve: 0 1px 1px rgba(0, 0, 0, .5);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  overflow-x: hidden;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 1.5rem 1.5rem;
}
:focus-visible { outline: var(--foco); outline-offset: 2px; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; margin: 0; }
h1 { font-size: var(--fs-display-l); letter-spacing: -0.03em; font-weight: 800; line-height: 1.05; text-shadow: var(--texto-relieve); }
h2 { font-size: var(--fs-display-s); font-weight: 700; letter-spacing: -0.01em; text-shadow: var(--texto-relieve); }
h3 { font-size: 1.0625rem; font-weight: 700; }
p { margin: 0 0 .75rem; max-width: 70ch; }
a { color: var(--blue); }
code, .mono { font-family: var(--font-mono); font-size: .88em; }
.muted { color: var(--ink-3); }
.small { font-size: var(--fs-body-s); }
.caption { font-size: var(--fs-caption); color: var(--ink-3); }
.eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: var(--fs-label);
  letter-spacing: var(--track-eyebrow); text-transform: uppercase; color: var(--orange-text);
}
.label {
  font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: var(--track-label);
  text-transform: uppercase; color: var(--ink-3);
}

/* ---------- Layout ---------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 1rem var(--gutter) 4rem; }
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .75rem 0; border-bottom: var(--borde-suave); margin-bottom: 1.5rem;
}
.topbar a { font-family: var(--font-mono); font-size: var(--fs-caption); text-decoration: none; }
.topbar .marca { font-family: var(--font-display); font-weight: 800; letter-spacing: -.01em; color: var(--ink); }
.hero { margin-bottom: 1.5rem; }
.hero .bajada { color: var(--ink-2); font-size: 1.125rem; line-height: 1.6; max-width: 62ch; margin-top: .75rem; }
.etapas-patron { display: flex; flex-wrap: wrap; gap: .375rem; margin-top: .75rem; align-items: center; }
.etapas-patron span.flecha { color: var(--ink-3); font-family: var(--font-mono); }

.grid-learn { display: grid; gap: 1.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 960px) { .grid-learn { grid-template-columns: minmax(0, 1fr) 340px; align-items: start; } }
.aside { display: grid; gap: 1rem; }
@media (min-width: 960px) { .aside { position: sticky; top: 1rem; } }

/* ---------- Tarjetas ---------- */
.card {
  background: var(--relieve); border: var(--borde); border-radius: var(--radio);
  box-shadow: var(--luz), var(--sombra-dura-chica); padding: 1.25rem;
}
.card + .card { margin-top: 1rem; }
.card.flat { box-shadow: none; }
.card h2 { margin-bottom: .5rem; }
.panel-title { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; margin-bottom: .5rem; }

/* ---------- Pestañas de dominio ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.tab {
  font: 600 var(--fs-body-s)/1.2 var(--font-sans); color: var(--ink);
  background: var(--sheet); border: var(--borde); border-radius: var(--radio);
  padding: .5rem .75rem; cursor: pointer; display: inline-flex; gap: .5rem; align-items: center;
  min-height: 44px;
}
.tab .punto { width: .625rem; height: .625rem; border-radius: 50%; background: var(--c, var(--ink-3)); flex: none; }
.tab[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.tab:hover:not([aria-selected="true"]) { background: var(--blue-bg); }
.tab .estado { font-family: var(--font-mono); font-size: var(--fs-label); opacity: .8; }

/* ---------- Chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: .25rem;
  font-family: var(--font-mono); font-size: var(--fs-label); font-weight: 600; letter-spacing: var(--track-label);
  padding: .125rem .5rem; border: 1.5px solid currentColor; border-radius: 999px; white-space: nowrap;
  text-transform: uppercase;
}
.chip.ad { color: var(--c, var(--ink-2)); }
.chip.ok { color: var(--green); background: var(--ok-bg); }
.chip.bad { color: var(--orange-text); background: var(--bad-bg); }
.chip.warn { color: var(--warn-text); background: var(--warn-row); }
.chip.neutral { color: var(--ink-3); }

/* ---------- Cabecera de actividad ---------- */
.act-head { display: grid; gap: .5rem; padding-bottom: 1rem; border-bottom: var(--borde-suave); margin-bottom: 1rem; }
.act-head .meta { display: flex; flex-wrap: wrap; gap: .375rem; }
.objetivos { margin: 0; padding-left: 1.1rem; color: var(--ink-2); font-size: var(--fs-body-s); }
.conocimiento { display: flex; flex-wrap: wrap; gap: .375rem; }
.conocimiento .ref {
  font-size: var(--fs-caption); border: var(--borde-suave); background: var(--paper);
  padding: .125rem .5rem; border-radius: var(--radio);
}
.disclaimer {
  font-size: var(--fs-caption); color: var(--warn-text); background: var(--warn-row);
  border-left: 3px solid var(--warn-text); padding: .5rem .75rem; border-radius: var(--radio);
}

/* ---------- Stepper ---------- */
.stepper { display: flex; gap: .25rem; flex-wrap: wrap; margin-bottom: 1.25rem; counter-reset: paso; list-style: none; padding: 0; }
.stepper li {
  counter-increment: paso; flex: 1 1 0; min-width: 90px;
  font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: .04em; text-transform: uppercase;
  color: var(--ink-3); border-top: 3px solid var(--line); padding-top: .375rem;
}
.stepper li::before { content: counter(paso) " · "; }
.stepper li.done { color: var(--green); border-color: var(--green); }
.stepper li.now { color: var(--ink); border-color: var(--ink); font-weight: 700; }

/* ---------- Botones ---------- */
.btn {
  font: 600 var(--fs-body-s)/1.2 var(--font-sans); color: var(--on-blue);
  background: linear-gradient(180deg, color-mix(in srgb, #fff 14%, var(--blue)) 0%, var(--blue) 100%);
  border: 1px solid var(--blue); border-radius: var(--radio); padding: .625rem 1rem; cursor: pointer;
  box-shadow: var(--luz), var(--sombra-chica);
  min-height: 44px; display: inline-flex; align-items: center; gap: .5rem;
}
/* Respuesta en el press (pointer-down), no al soltar: el botón se hunde al instante */
.btn, .tab, .opcion, .pieza, .caja, .escala button { transition: transform 100ms ease-out, background-color 150ms ease-out, border-color 150ms ease-out, box-shadow 150ms ease-out; }
.btn:active, .tab:active, .opcion:active, .pieza:active, .caja:active, .escala button:active { transform: scale(0.97); }
@media (hover: hover) {
  .btn:hover { background: var(--blue-hover); border-color: var(--blue-hover); }
  .btn.ghost:hover { background: var(--blue-bg); }
}
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:disabled:active { transform: none; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.small { min-height: 34px; padding: .375rem .625rem; font-size: var(--fs-caption); }
.acciones { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; align-items: center; }
.acciones .spacer { flex: 1; }

/* ---------- Bloques de contenido ---------- */
.prompt { font-weight: 600; margin: 0 0 .75rem; }
.contexto { background: var(--paper); border: var(--borde-suave); border-radius: var(--radio); padding: .875rem 1rem; margin-bottom: 1rem; }
.contexto p:last-child { margin-bottom: 0; }
.texto-literario { font-family: Georgia, 'Times New Roman', serif; font-size: 1.0625rem; line-height: 1.65; }
.cols { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 700px) { .cols.dos { grid-template-columns: repeat(2, minmax(0, 1fr)); } .cols.tres { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* Opciones tipo tarjeta */
.opciones { display: grid; gap: .5rem; }
.opcion {
  display: flex; gap: .625rem; align-items: flex-start; text-align: left;
  font: inherit; font-size: var(--fs-body-s); color: var(--ink);
  background: var(--white); border: var(--borde-suave); border-radius: var(--radio);
  padding: .625rem .75rem; cursor: pointer; width: 100%; min-height: 44px;
}
@media (hover: hover) { .opcion:hover { border-color: var(--ink); } }
.opcion[aria-pressed="true"], .opcion.sel { border: 1.5px solid var(--blue); background: var(--blue-bg); }
.opcion.ok { border-color: var(--green); background: var(--ok-bg); }
.opcion.bad { border-color: var(--orange); background: var(--bad-bg); }
.opcion .marca-op {
  flex: none; width: 1.5rem; height: 1.5rem; border: 1.5px solid var(--ink); border-radius: 50%;
  display: grid; place-items: center; font-family: var(--font-mono); font-size: var(--fs-label); font-weight: 700;
}
.opcion[aria-pressed="true"] .marca-op, .opcion.sel .marca-op { background: var(--blue); color: var(--on-blue); border-color: var(--blue); }

/* Controles */
.controles { display: grid; gap: .875rem; }
.control label { display: flex; justify-content: space-between; gap: .5rem; font-size: var(--fs-body-s); font-weight: 600; }
.control output { font-family: var(--font-mono); font-weight: 600; color: var(--blue); }
.control input[type="range"] { width: 100%; accent-color: var(--blue); min-height: 32px; }
.control select, input[type="text"], input[type="number"], textarea, select {
  font: inherit; font-size: 16px; color: var(--ink); background: var(--white);
  border: 1.5px solid var(--line-3); border-radius: var(--radio); padding: .5rem .625rem; width: 100%;
}
textarea { min-height: 6rem; resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--blue); outline: none; box-shadow: 0 0 0 2px var(--blue-bg); }

/* Gráfico */
.grafico { width: 100%; height: auto; display: block; background: var(--white); border: var(--borde-suave); border-radius: var(--radio); }
.grafico text { font-family: var(--font-mono); font-size: 13px; fill: var(--ink-3); }
.grafico .eje { stroke: var(--line-3); stroke-width: 1; }
.grafico .grilla { stroke: var(--line-2); stroke-width: 1; }
.grafico .serie { fill: none; stroke-width: 2.25; stroke-linejoin: round; stroke-linecap: round; }
.grafico .fantasma { fill: none; stroke-width: 1.5; stroke-dasharray: 4 4; opacity: .7; }
.leyenda { display: flex; flex-wrap: wrap; gap: .75rem; font-size: var(--fs-caption); color: var(--ink-2); margin-top: .375rem; }
.leyenda i { display: inline-block; width: .875rem; height: 3px; vertical-align: middle; margin-right: .25rem; background: var(--c); }
.salidas { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: .5rem; margin-top: .75rem; }
.salida { background: var(--paper); border: var(--borde-suave); border-radius: var(--radio); padding: .5rem .625rem; }
.salida b { display: block; font-family: var(--font-mono); font-size: 1.0625rem; font-variant-numeric: tabular-nums; }

/* Tablas */
table { width: 100%; border-collapse: collapse; font-size: var(--fs-body-s); }
th, td { text-align: left; padding: .5rem .625rem; border-bottom: var(--borde-suave); vertical-align: top; }
th { font-family: var(--font-mono); font-size: var(--fs-label); letter-spacing: var(--track-label); text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.tabla-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* Piezas (construir explicación, clasificar) */
.piezas { display: flex; flex-wrap: wrap; gap: .5rem; }
.pieza {
  font: inherit; font-size: var(--fs-body-s); text-align: left; color: var(--ink);
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radio);
  padding: .5rem .625rem; cursor: pointer; display: inline-flex; flex-direction: column; gap: .125rem;
  box-shadow: var(--luz), var(--sombra-chica); max-width: 100%;
}
@media (hover: hover) { .pieza:hover { transform: translateY(-1px); box-shadow: var(--luz), var(--sombra-dura-chica); } }
.pieza.sel { background: var(--blue-bg); border-color: var(--blue); box-shadow: var(--luz), 0 4px 10px -3px color-mix(in srgb, var(--blue) 45%, transparent); }
.pieza .tipo { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: .06em; text-transform: uppercase; color: var(--orange-text); }
.pieza.usada { opacity: .35; pointer-events: none; }
.cadena { display: grid; gap: .25rem; counter-reset: eslabon; }
.eslabon {
  display: grid; grid-template-columns: auto 1fr auto; gap: .5rem; align-items: center;
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radio); padding: .5rem .625rem;
}
.eslabon.ok { border-color: var(--green); background: var(--ok-bg); }
.eslabon.bad { border-color: var(--orange); background: var(--bad-bg); }
.eslabon .n { font-family: var(--font-mono); font-weight: 700; color: var(--ink-3); }
.eslabon .ctrl { display: flex; gap: .25rem; }
.eslabon .ctrl button { min-width: 34px; min-height: 34px; border: var(--borde-suave); background: var(--sheet); border-radius: var(--radio); cursor: pointer; font-family: var(--font-mono); color: var(--ink); }
.conector { text-align: center; font-family: var(--font-mono); font-size: var(--fs-label); color: var(--ink-3); letter-spacing: .06em; }
.vacio { border: 1.5px dashed var(--line-3); border-radius: var(--radio); padding: 1rem; text-align: center; color: var(--ink-3); font-size: var(--fs-body-s); }

.cajas { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.caja {
  border: 1.5px solid var(--ink); border-radius: var(--radio); background: var(--paper); padding: .625rem; min-height: 120px;
  display: flex; flex-direction: column; gap: .375rem; cursor: pointer; text-align: left; font: inherit; color: var(--ink);
}
.caja.destino { border-style: dashed; border-color: var(--blue); background: var(--blue-bg); }
.caja h4 { font-size: var(--fs-body-s); }
.caja .criterio { font-size: var(--fs-caption); color: var(--ink-3); }
.ficha {
  font-size: var(--fs-caption); background: var(--white); border: var(--borde-suave); border-radius: var(--radio); padding: .25rem .5rem;
  display: flex; justify-content: space-between; gap: .5rem; align-items: center;
}
.ficha.ok { border-color: var(--green); background: var(--ok-bg); }
.ficha.bad { border-color: var(--orange); background: var(--bad-bg); }

/* Evidencia / caso */
.evidencias { display: grid; gap: .5rem; }
.evidencia {
  border: var(--borde-suave); border-radius: var(--radio); background: var(--white); padding: .625rem .75rem;
  display: grid; gap: .25rem;
}
.evidencia.revelada { border-left: 4px solid var(--blue); }
.evidencia .resultado { font-size: var(--fs-body-s); }
.ranking { display: grid; gap: .375rem; counter-reset: rk; }
.ranking .fila {
  display: grid; grid-template-columns: 2rem 1fr auto; gap: .5rem; align-items: center;
  background: var(--white); border: 1.5px solid var(--ink); border-radius: var(--radio); padding: .375rem .5rem;
}
.ranking .fila .pos { font-family: var(--font-display); font-weight: 800; font-size: 1.125rem; text-align: center; }
.ranking .fila.descartada { opacity: .55; text-decoration: line-through; }
.ranking .ctrl { display: flex; gap: .25rem; }
.ranking .ctrl button { min-width: 34px; min-height: 34px; border: var(--borde-suave); background: var(--sheet); border-radius: var(--radio); cursor: pointer; color: var(--ink); font-family: var(--font-mono); }
/* Dedos: los controles chicos llegan a 44px en pantallas táctiles */
@media (pointer: coarse) {
  .eslabon .ctrl button, .ranking .ctrl button { min-width: 44px; min-height: 44px; }
  .btn.small { min-height: 44px; }
}
.presupuesto { font-family: var(--font-mono); font-size: var(--fs-caption); }

/* Texto con fragmentos seleccionables */
.fragmentable .frag {
  cursor: pointer; border-bottom: 2px dotted var(--line-3); padding: 0 .1em; border-radius: 2px;
  background: none; border-top: 0; border-left: 0; border-right: 0; font: inherit; color: inherit; text-align: inherit; display: inline;
}
.fragmentable .frag:hover { background: var(--blue-bg); }
.fragmentable .frag.sel { background: var(--warn-row); border-bottom-color: var(--warn-text); }
.fragmentable .frag.ok { background: var(--ok-bg); border-bottom-color: var(--green); }
.fragmentable .frag.bad { background: var(--bad-bg); border-bottom-color: var(--orange); }

/* Matriz de comparación */
.matriz td select { min-width: 140px; }
.matriz td.ok select { border-color: var(--green); background: var(--ok-bg); }
.matriz td.bad select { border-color: var(--orange); background: var(--bad-bg); }

/* Tarjeta de recuperación */
.flash {
  border: 1.5px solid var(--ink); border-radius: var(--radio); background: var(--white); padding: 1.25rem;
  box-shadow: var(--sombra-dura-chica); min-height: 180px; display: grid; gap: .75rem; align-content: start;
}
.flash .pregunta { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; line-height: 1.25; }
.leitner { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.leitner .bx { border: var(--borde-suave); border-radius: var(--radio); padding: .5rem; text-align: center; background: var(--paper); }
.leitner .bx b { display: block; font-family: var(--font-display); font-size: 1.5rem; }
.escala { display: flex; gap: .375rem; flex-wrap: wrap; }
.escala button { flex: 1 1 0; min-width: 64px; }

/* ---------- Feedback ---------- */
.feedback { border-left: 4px solid var(--line-3); }
.feedback.tone-ok { border-left-color: var(--green); }
.feedback.tone-warn { border-left-color: var(--warn-text); }
.feedback.tone-bad { border-left-color: var(--orange); }
.feedback ul { list-style: none; margin: .5rem 0 0; padding: 0; display: grid; gap: .375rem; }
.feedback li { display: grid; grid-template-columns: 1.25rem 1fr; gap: .375rem; font-size: var(--fs-body-s); }
.feedback li .ic { font-family: var(--font-mono); font-weight: 700; }
.feedback li.ok .ic { color: var(--green); }
.feedback li.bad .ic { color: var(--orange-text); }
.feedback li.warn .ic { color: var(--warn-text); }
.feedback li.info .ic { color: var(--blue); }
.feedback .siguiente { margin-top: .75rem; padding-top: .625rem; border-top: var(--borde-suave); font-size: var(--fs-body-s); }
.feedback .marco { margin-top: .5rem; font-size: var(--fs-caption); color: var(--ink-3); font-style: italic; }
.pista { background: var(--blue-bg); border-radius: var(--radio); padding: .5rem .75rem; font-size: var(--fs-body-s); margin-top: .5rem; }

/* Métricas */
.metricas { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
.metrica { background: var(--paper); border: var(--borde-suave); border-radius: var(--radio); padding: .5rem; }
.metrica b { display: block; font-family: var(--font-display); font-size: 1.375rem; font-variant-numeric: tabular-nums; line-height: 1.1; }
.eventos { list-style: none; margin: .75rem 0 0; padding: 0; font-family: var(--font-mono); font-size: var(--fs-label); color: var(--ink-3); display: grid; gap: .125rem; max-height: 140px; overflow: auto; }

/* Contrato */
details.contrato summary { cursor: pointer; font-weight: 600; font-size: var(--fs-body-s); }
details.contrato pre {
  margin: .75rem 0 0; background: var(--ink-deep); color: #E8E4DA; border-radius: var(--radio);
  padding: .75rem; overflow: auto; font-size: 0.75rem; line-height: 1.5; max-height: 380px;
}

/* Comparación entre dominios */
.comparacion { margin-top: 2rem; }
.comparacion h2 { margin-bottom: .25rem; }

/* Fallback textual */
.fallback { border: 1.5px dashed var(--warn-text); background: var(--warn-row); border-radius: var(--radio); padding: 1rem; }
.fallback ul { margin: .5rem 0; }

/* Índice */
.matriz-idx td, .matriz-idx th { text-align: center; }
.matriz-idx td:first-child, .matriz-idx th:first-child { text-align: left; }
.matriz-idx .si { font-family: var(--font-mono); font-weight: 700; color: var(--green); }
.patron-cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.patron-card { text-decoration: none; color: var(--ink); display: grid; gap: .5rem; align-content: start; transition: transform .12s ease, box-shadow .12s ease; }
.patron-card:hover { transform: translateY(-3px); box-shadow: var(--sombra-dura); }
.patron-card .num { font-family: var(--font-display); font-weight: 800; font-size: 2rem; line-height: 1; color: var(--orange-text); }
.patron-card .doms { display: flex; flex-wrap: wrap; gap: .25rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .patron-card:hover, .pieza:hover, .btn:active, .tab:active, .opcion:active, .pieza:active, .caja:active, .escala button:active { transform: none !important; }
}