/* ============================================================
 * theme.css — TEMA de la guía de DIVISIBILIDAD, MCD y mcm (capa LIBRE).
 * SOLO estilos del tema (prefijo dv-): leyenda de color, visuales del
 * concepto (cifras, divisores/múltiplos, escalera) y widgets por toque
 * (detector, fábrica, armador, clasificador). NO redefine clases `guia-*`
 * (capa bloqueada). Pisos de letra: lectura ≥17px · apoyo ≥15px ·
 * etiquetas MAYÚSCULAS ≥13px. Tap targets ≥44px. Sin border-left de
 * acento. Sin overflow horizontal a 360px. Light-mode fijo.
 * ============================================================ */

/* ===== Paleta del tema (eco de las variables de marca) ===== */
.dv-visual, .dv-wg, .dv-legend {
  --dv-x: #C75D08;       /* lo que miras (la cifra/dato clave) */
  --dv-navy: #283891;    /* los primos / los ladrillos */
  --dv-green: #1C7A3A;   /* divisible / resultado (verde de texto AA) */
  --dv-ink: var(--guia-ink, #181B22);
  --dv-mut: var(--guia-muted, #4b5563);
  --dv-line: var(--guia-line, #e7e2da);
  --dv-cream: var(--guia-cream, #FFF3E7);
}

/* ===== Leyenda de color ===== */
.dv-legend {
  display: flex; flex-wrap: wrap; gap: 10px 18px;
  margin: 4px 0 18px; padding: 12px 14px;
  border: 2px solid var(--dv-ink); border-radius: 14px; background: #fff;
}
.dv-legend .it { display: flex; align-items: center; gap: 8px; font-size: 15px; color: var(--dv-mut); }
.dv-legend .it b { color: var(--dv-ink); }
.dv-legend .sw { width: 16px; height: 16px; border-radius: 5px; border: 1.5px solid var(--dv-ink); flex: 0 0 auto; }
.dv-legend .sw.x { background: var(--dv-x); }
.dv-legend .sw.navy { background: var(--dv-navy); }
.dv-legend .sw.green { background: var(--dv-green); }

/* ===== Visual: cifras (número grande con foco) ===== */
.dv-visual { margin: 14px 0; }
.dv-cifras {
  border: 2px solid var(--dv-line); border-radius: 14px; background: #fff;
  padding: 14px 12px; text-align: center;
}
.dv-cifras-row { display: inline-flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.dv-dig {
  min-width: 40px; min-height: 52px; display: inline-flex; align-items: center; justify-content: center;
  font-size: 30px; font-weight: 800; color: var(--dv-ink);
  border: 2px solid var(--dv-line); border-radius: 10px; background: #fcfbf9; padding: 4px 6px;
}
.dv-dig.on { color: #fff; background: var(--dv-x); border-color: var(--dv-ink); }
.dv-cifras-suma { margin: 10px 0 0; font-size: 17px; color: var(--dv-ink); }
.dv-cifras-suma strong { color: var(--dv-x); }
.dv-cap { margin: 10px 0 0; font-size: 15px; color: var(--dv-mut); line-height: 1.45; }

/* ===== Visual: divisores / múltiplos (filas de fichas) ===== */
.dv-fichas {
  border: 2px solid var(--dv-line); border-radius: 14px; background: #fff;
  padding: 14px 12px;
}
.dv-fila { display: flex; flex-direction: column; gap: 6px; }
.dv-fila + .dv-fila { margin-top: 12px; }
.dv-fila-lbl {
  font-size: 13px; font-weight: 800; letter-spacing: .03em; text-transform: uppercase;
  color: var(--dv-mut);
}
.dv-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.dv-chip {
  min-width: 38px; min-height: 38px; display: inline-flex; align-items: center; justify-content: center;
  padding: 4px 10px; font-size: 17px; font-weight: 700; color: var(--dv-ink);
  border: 2px solid var(--dv-line); border-radius: 999px; background: #fcfbf9;
}
.dv-chip.comun { border-color: var(--dv-navy); color: var(--dv-navy); background: #f4f6fc; }
.dv-chip.destaca { border-color: var(--dv-green); color: #fff; background: var(--dv-green); }
.dv-chip.mas { border-style: dashed; color: var(--dv-mut); }

/* ===== Visual: escalera (estática y de la fábrica) ===== */
.dv-esc {
  border: 2px solid var(--dv-line); border-radius: 14px; background: #fff;
  padding: 14px 12px; text-align: center;
}
.dv-esc-grid { display: inline-flex; flex-direction: column; gap: 4px; margin: 0 auto; }
.dv-esc-row { display: flex; align-items: stretch; gap: 0; }
.dv-esc-row .val {
  min-width: 76px; padding: 8px 12px; font-size: 20px; font-weight: 800; color: var(--dv-ink);
  border-right: 3px solid var(--dv-ink); text-align: right;
}
.dv-esc-row .primo {
  min-width: 54px; padding: 8px 12px; font-size: 20px; font-weight: 800; color: var(--dv-navy);
  text-align: left;
}
.dv-esc-row.actual .val { color: var(--dv-x); }
.dv-esc-row.actual .primo { color: var(--dv-mut); }
.dv-esc-row.fin .val { color: var(--dv-green); }
.dv-esc-row.fin .primo { color: var(--dv-green); }
.dv-esc-res { margin: 10px 0 0; font-size: 17px; font-weight: 700; color: var(--dv-ink); }

/* ===== Andamiaje común de widgets ===== */
.dv-wg {
  margin: 16px 0; padding: 16px 14px;
  border: 2px solid var(--dv-ink); border-radius: 16px; background: #fff;
  box-shadow: 4px 4px 0 var(--dv-ink);
}
.dv-wg-top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 10px; margin-bottom: 10px; }
.dv-flag {
  font-size: 13px; font-weight: 800; letter-spacing: .03em; text-transform: uppercase;
  color: #fff; background: var(--dv-x); border-radius: 999px; padding: 3px 11px; flex: 0 0 auto;
}
.dv-wg-inst { font-size: 15px; color: var(--dv-mut); line-height: 1.4; }
.dv-prog { margin: 0 0 10px; font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; color: var(--dv-mut); }
.dv-done { margin: 0 0 12px; font-size: 17px; line-height: 1.5; color: var(--dv-ink); }

.dv-btn {
  font: inherit; font-weight: 800; font-size: 17px; min-height: 44px; padding: 10px 20px;
  border: 2px solid var(--dv-ink); border-radius: 12px; background: var(--dv-navy); color: #fff;
  cursor: pointer; box-shadow: 3px 3px 0 var(--dv-ink); transition: transform .1s, box-shadow .1s;
}
.dv-btn:hover { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--dv-ink); }
.dv-btn:active { transform: none; box-shadow: 1px 1px 0 var(--dv-ink); }
.dv-btn.small { font-size: 15px; min-height: 40px; padding: 8px 16px; margin-left: 10px; }
.dv-btn.ghost { background: #fff; color: var(--dv-ink); box-shadow: none; }
.dv-btn.ghost:hover { border-color: var(--dv-x); transform: none; box-shadow: none; }

/* opción genérica por toque */
.dv-opt {
  font: inherit; font-weight: 700; font-size: 17px; min-height: 44px; padding: 10px 14px;
  border: 2px solid var(--dv-line); border-radius: 10px; background: #fff; color: var(--dv-ink);
  cursor: pointer; text-align: left; transition: transform .1s, border-color .1s;
}
.dv-opt:hover { border-color: var(--dv-x); transform: translateY(-1px); }
.dv-opt.right { border-color: var(--dv-green); background: #e6f5ec; color: var(--dv-green); }
.dv-opt.wrong { border-color: #d6336c; background: #fdecf1; color: #a01243; }
.dv-opt:disabled { cursor: default; opacity: 1; }

/* ===== Widget: detector ===== */
.dv-det-q { margin: 12px 0 8px; font-size: 17px; line-height: 1.45; color: var(--dv-ink); }
.dv-det-opts { display: flex; flex-direction: column; gap: 8px; }
.dv-det-fb { margin-top: 10px; font-size: 15px; line-height: 1.5; display: none; }
.dv-det-fb.show { display: block; }
.dv-det-fb.ok { color: var(--dv-green); }
.dv-det-fb.miss { color: #a01243; }
.dv-det-fb .dv-cifras-suma { color: var(--dv-ink); }
.dv-veredicto {
  display: inline-block; font-size: 17px; font-weight: 800; padding: 6px 14px; margin: 4px 0;
  border: 2px solid var(--dv-ink); border-radius: 999px;
}
.dv-veredicto.si { background: #e6f5ec; color: var(--dv-green); border-color: var(--dv-green); }
.dv-veredicto.no { background: var(--dv-cream); color: var(--dv-x); border-color: var(--dv-x); }
.dv-veredicto-why { display: block; margin: 6px 0 8px; font-size: 15px; color: var(--dv-mut); line-height: 1.5; }
.dv-det-fb .dv-btn.small { margin-left: 0; }

/* ===== Widget: fábrica ===== */
.dv-fab-body .dv-esc-grid { display: flex; }
.dv-fab-body { text-align: center; }
.dv-fab-q { margin: 12px 0 8px; font-size: 17px; color: var(--dv-ink); }
.dv-fab-primos { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.dv-primo-btn {
  width: 56px; height: 56px; font: inherit; font-size: 22px; font-weight: 800; line-height: 1;
  border: 2px solid var(--dv-ink); border-radius: 14px; background: var(--dv-navy); color: #fff;
  cursor: pointer; box-shadow: 3px 3px 0 var(--dv-ink); transition: transform .1s, box-shadow .1s;
}
.dv-primo-btn:hover:not(:disabled) { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--dv-ink); }
.dv-primo-btn:active:not(:disabled) { transform: none; box-shadow: 1px 1px 0 var(--dv-ink); }
.dv-primo-btn:disabled { opacity: .4; cursor: default; box-shadow: none; }
.dv-fab-fb { margin: 10px auto 0; font-size: 15px; line-height: 1.5; color: #a01243; display: none; max-width: 460px; }
.dv-fab-fb.show { display: block; }
.dv-fab-res .linea { margin: 8px 0 0; font-size: 17px; color: var(--dv-ink); }
.dv-fab-res .linea.fuerte { font-size: 20px; font-weight: 800; color: var(--dv-green); }
.dv-fab-res .dv-btn.small { margin: 12px 0 0; }

/* ===== Widget: armador (MCD / mcm) ===== */
.dv-con-head {
  margin: 0 0 12px; font-size: 17px; font-weight: 700; color: var(--dv-navy);
  text-align: center; line-height: 1.5;
}
.dv-con-head .sep { margin: 0 10px; color: var(--dv-mut); }
.dv-con-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.dv-con-col {
  border: 2px solid var(--dv-line); border-radius: 12px; padding: 10px; background: #fcfbf9;
  transition: border-color .15s;
}
.dv-con-col.ok { border-color: var(--dv-green); background: #f3faf5; }
.dv-con-col-t { margin: 0; font-size: 15px; color: var(--dv-mut); }
.dv-con-col-t strong { font-size: 18px; color: var(--dv-navy); }
.dv-con-col-sub { margin: 2px 0 8px; font-size: 15px; color: var(--dv-mut); }
.dv-con-opts { display: flex; flex-wrap: wrap; gap: 6px; }
.dv-exp-btn {
  font: inherit; font-size: 17px; font-weight: 700; min-height: 44px; min-width: 60px; padding: 6px 12px;
  border: 2px solid var(--dv-line); border-radius: 10px; background: #fff; color: var(--dv-ink);
  cursor: pointer; transition: border-color .1s, transform .1s;
}
.dv-exp-btn:hover:not(:disabled) { border-color: var(--dv-x); transform: translateY(-1px); }
.dv-exp-btn.right { border-color: var(--dv-green); background: #e6f5ec; color: var(--dv-green); }
.dv-exp-btn.wrong { border-color: #d6336c; background: #fdecf1; color: #a01243; }
.dv-exp-btn:disabled { cursor: default; }
.dv-con-fb { margin: 10px 0 0; font-size: 15px; line-height: 1.5; display: none; }
.dv-con-fb.show { display: block; }
.dv-con-fb.ok { color: var(--dv-green); }
.dv-con-fb.miss { color: #a01243; }
.dv-con-res { display: none; text-align: center; }
.dv-con-res.show { display: block; }
.dv-con-res .linea { margin: 8px 0 0; font-size: 17px; color: var(--dv-ink); }
.dv-con-res .linea.fuerte { font-size: 20px; font-weight: 800; color: var(--dv-green); }
.dv-con-res .dv-btn.small { margin: 12px 0 0; }

/* ===== Widget: clasificador ===== */
.dv-cla-card { border: 2px solid var(--dv-line); border-radius: 12px; padding: 14px; background: #fcfbf9; }
.dv-cla-enun { margin: 0 0 12px; font-size: 17px; line-height: 1.5; color: var(--dv-ink); }
.dv-cla-opts { display: flex; gap: 10px; flex-wrap: wrap; }
.dv-cla-opt {
  flex: 1 1 130px; min-height: 52px; font: inherit; font-weight: 800; font-size: 17px;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--dv-ink); border-radius: 12px; background: #fff; color: var(--dv-ink);
  cursor: pointer; transition: transform .1s, box-shadow .1s; box-shadow: 3px 3px 0 var(--dv-ink);
}
.dv-cla-opt:hover:not(:disabled) { transform: translate(-2px, -2px); box-shadow: 5px 5px 0 var(--dv-ink); }
.dv-cla-opt.right { border-color: var(--dv-green); background: #e6f5ec; color: var(--dv-green); }
.dv-cla-opt.wrong { border-color: #d6336c; background: #fdecf1; color: #a01243; }
.dv-cla-opt:disabled { cursor: default; box-shadow: none; }
.dv-cla-fb { margin-top: 12px; display: none; }
.dv-cla-fb.show { display: block; }
.dv-cla-fb.miss { font-size: 15px; color: #a01243; line-height: 1.5; }
.dv-cla-tag {
  display: inline-block; font-size: 18px; font-weight: 800; letter-spacing: .04em;
  padding: 4px 14px; border-radius: 999px; border: 2px solid var(--dv-green);
  background: #e6f5ec; color: var(--dv-green); margin-right: 8px;
}
.dv-cla-why { display: block; margin: 8px 0 4px; font-size: 15px; color: var(--dv-mut); line-height: 1.5; }
.dv-cla-fb .dv-btn.small { margin-left: 0; margin-top: 8px; }

/* ===== 360px: sin overflow horizontal ===== */
@media (max-width: 380px) {
  .dv-dig { min-width: 32px; min-height: 46px; font-size: 24px; }
  .dv-cla-opt { flex-basis: 100%; }
  .dv-con-cols { grid-template-columns: 1fr; }
  .dv-btn.small { margin-left: 0; margin-top: 8px; display: inline-block; }
  .dv-esc-row .val { min-width: 64px; font-size: 18px; }
  .dv-esc-row .primo { min-width: 46px; font-size: 18px; }
}

/* ===== Movimiento reducido ===== */
@media (prefers-reduced-motion: reduce) {
  .dv-btn, .dv-opt, .dv-primo-btn, .dv-exp-btn, .dv-cla-opt, .dv-con-col { transition: none !important; }
}

/* ===== Impresión: oculta lo interactivo (apoyo, no contenido SEO) ===== */
@media print {
  .dv-wg { display: none !important; }
}