:root{--mf113-bg:#f4f7ff;--mf113-card:#ffffff;--mf113-ink:#172033;--mf113-muted:#516179;--mf113-line:#d9e2f1;--mf113-blue:#2563eb;--mf113-cyan:#22b8f0;--mf113-green:#16a34a;--mf113-red:#dc2626;--mf113-yellow:#f59e0b;--mf113-dark:#0f1b31}
.mf-frac113-root,.mf-frac113-root *{box-sizing:border-box}.mf-frac113-root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--mf113-ink);max-width:1180px;margin:24px auto;padding:0 12px}.mf113-wrap{background:linear-gradient(145deg,#eef5ff,#ffffff);border:1px solid var(--mf113-line);border-radius:28px;padding:18px;box-shadow:0 18px 50px rgba(30,56,100,.14)}
.mf113-head{display:flex;justify-content:space-between;gap:16px;align-items:center;background:#14264b;color:#fff;border-radius:22px;padding:18px 20px;margin-bottom:14px}.mf113-head h2{margin:0;font-size:clamp(28px,4vw,44px);line-height:1}.mf113-head p{margin:6px 0 0;color:#dbe7ff}.mf113-hud{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.mf113-hud span{background:#fff;color:#14264b;border-radius:999px;padding:10px 14px;font-weight:800;box-shadow:0 2px 0 rgba(0,0,0,.12)}
.mf113-card{background:var(--mf113-card);border:1px solid var(--mf113-line);border-radius:22px;box-shadow:0 10px 30px rgba(30,56,100,.08)}.mf113-menu-title{display:flex;justify-content:space-between;align-items:center;padding:20px}.mf113-menu-title h3{font-size:30px;margin:0}.mf113-menu-title p{margin:4px 0 0;color:var(--mf113-muted)}.mf113-levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:0 20px 20px}.mf113-level{display:flex;flex-direction:column;justify-content:space-between;gap:16px;border:2px solid #dbeafe;border-radius:20px;padding:18px;background:linear-gradient(180deg,#fff,#f8fbff);min-height:210px}.mf113-level b{color:#1d4ed8}.mf113-level h4{font-size:24px;margin:8px 0}.mf113-level p{color:var(--mf113-muted);margin:0}.mf113-level.locked{opacity:.55}.mf113-bar{height:12px;background:#e5e7eb;border-radius:999px;overflow:hidden;margin-top:18px}.mf113-bar i{display:block;height:100%;background:linear-gradient(90deg,#22c55e,#2563eb)}
.mf113-btn{border:0;border-radius:14px;padding:12px 18px;font-weight:900;cursor:pointer;font-size:16px}.mf113-btn.primary,.mf113-btn.ok{background:#2563eb;color:#fff}.mf113-btn.ghost{background:#eef2ff;color:#1e3a8a;border:1px solid #bfdbfe}.mf113-btn:disabled{opacity:.55;cursor:not-allowed}.mf113-btn:hover:not(:disabled){filter:brightness(.97);transform:translateY(-1px)}
.mf113-game{display:grid;grid-template-columns:280px 1fr;gap:14px}.mf113-side{padding:16px;background:#14264b;color:#fff}.mf113-side p{color:#dbe7ff}.mf113-act{display:block;width:100%;text-align:left;margin:10px 0;padding:12px;border-radius:14px;border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.10);color:#fff;cursor:pointer}.mf113-act small{display:block;color:#dbe7ff;margin-top:4px}.mf113-act.active{background:#2563eb;border-color:#93c5fd}.mf113-mini{margin-top:18px;border-top:1px solid rgba(255,255,255,.22);padding-top:14px;display:grid;gap:8px}.mf113-mini span{font-size:14px;color:#eaf2ff}.mf113-main{padding:18px;min-height:620px}.mf113-play-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.mf113-play-head h3{font-size:26px;margin:0}.mf113-play-head p{margin:6px 0 0;color:var(--mf113-muted);font-size:18px}.mf113-prompt{font-size:22px;font-weight:900;background:#fff7ed;border:2px solid #fed7aa;border-radius:18px;padding:14px 16px;margin:16px 0;color:#7c2d12}.mf113-steps{display:flex;gap:8px;margin-top:12px}.mf113-steps span{flex:1;text-align:center;background:#e5e7eb;color:#374151;border-radius:999px;padding:8px;font-weight:800}.mf113-steps span.on{background:#dcfce7;color:#166534}
.mf113-grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.mf113-fracbox{border:2px solid #dbeafe;background:#f8fbff;border-radius:20px;padding:18px;text-align:center;min-height:210px}.mf113-fracbox>span{display:block;color:#475569;font-weight:800}.mf113-fracbox>b{display:block;font-size:42px;line-height:1;margin:12px 0;color:#0f172a}.mf113-fracbox em{display:block;font-style:normal;color:#64748b;font-weight:800;margin-top:10px}.mf113-fracbox.result{background:#f0fdf4;border-color:#bbf7d0}.mf113-barfrac{display:grid;height:70px;border:3px solid #111827;border-radius:14px;overflow:hidden;background:#fff;margin:14px auto 0;max-width:430px}.mf113-barfrac i{border-right:2px solid #111827;background:#f8fafc}.mf113-barfrac i:last-child{border-right:0}.mf113-barfrac i.fill{background:#38bdf8}.mf113-barfrac.student i.fill{background:#22c55e}.mf113-emptybar{height:70px;border:3px dashed #94a3b8;border-radius:14px;display:grid;place-items:center;font-size:30px;font-weight:900;color:#64748b;background:#f8fafc;margin-top:14px}
.mf113-inputs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}.mf113-inputs label{font-weight:900;color:#334155}.mf113-inputs input{display:block;width:100%;margin-top:6px;border:2px solid #93c5fd;border-radius:14px;padding:14px;font-size:26px;font-weight:900;text-align:center;color:#0f172a;background:#fff}.mf113-factor{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:16px 0}.mf113-chip,.mf113-bigchoice{border:2px solid #bfdbfe;background:#eff6ff;color:#1e3a8a;border-radius:14px;padding:12px 18px;font-size:18px;font-weight:900;cursor:pointer}.mf113-chip.sel,.mf113-bigchoice.sel{background:#2563eb;color:#fff;border-color:#1d4ed8}.mf113-tablebox{background:#fff;border:2px solid #fde68a;border-radius:16px;padding:14px;margin:10px 0}.mf113-tablebox b{display:block;margin-bottom:8px}.mf113-tablebox div{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.mf113-tablebox span{background:#fef3c7;border-radius:10px;padding:8px;text-align:center;font-weight:800;color:#78350f}.mf113-actions{display:flex;justify-content:center;gap:12px;margin-top:16px}.mf113-feedback{margin-top:16px;font-size:20px;font-weight:800}.mf113-feedback .good,.mf113-feedback .bad,.mf113-feedback .hint,.mf113-feedback .answer{border-radius:16px;padding:14px 16px}.mf113-feedback .good{background:#dcfce7;color:#166534;border:2px solid #86efac}.mf113-feedback .bad{background:#fee2e2;color:#991b1b;border:2px solid #fca5a5}.mf113-feedback .hint{background:#e0f2fe;color:#075985;border:2px solid #7dd3fc}.mf113-feedback .answer{margin-top:8px;background:#fef3c7;color:#78350f}.mf113-choice{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}.mf113-bigchoice{font-size:24px;padding:18px}.mf113-correction{border:2px dashed #93c5fd;border-radius:18px;padding:14px;background:#f8fbff;margin-top:12px}
@media(max-width:900px){.mf113-head{align-items:flex-start;flex-direction:column}.mf113-game{grid-template-columns:1fr}.mf113-levels{grid-template-columns:1fr}.mf113-grid2{grid-template-columns:1fr}.mf113-side{order:2}.mf113-main{order:1}.mf113-tablebox div{grid-template-columns:repeat(2,1fr)}}
/* Producción fracciones113: lectura clara para grado 4° y 5° */
.mf113-transform-sign{display:inline-block;font-size:34px;line-height:1;margin:-4px 0 10px;color:#1d4ed8;background:#dbeafe;border:2px solid #93c5fd;border-radius:16px;padding:8px 16px;font-weight:1000}
.mf113-feedback .partial{background:#fef3c7;color:#78350f;border:2px solid #fbbf24;border-radius:16px;padding:14px 16px}
.mf113-feedback .answer{display:inline-block;margin-left:10px;background:#fff7ed;color:#7c2d12;border:2px solid #fed7aa;border-radius:12px;padding:6px 10px}
.mf113-summary{text-align:center;padding:40px 18px}.mf113-summary h3{font-size:34px;margin:0 0 10px}.mf113-summary p{font-size:20px;color:#475569}.mf113-score{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:20px 0}.mf113-score span{font-size:24px;font-weight:900;background:#eff6ff;color:#1e3a8a;border:2px solid #bfdbfe;border-radius:999px;padding:12px 20px}
.mf113-prompt{font-size:24px}.mf113-hud span{min-width:auto}.mf113-side .mf113-mini span{font-size:15px}.mf113-fracbox small{font-size:28px;font-weight:1000;color:#1d4ed8}
@media(max-width:700px){.mf113-transform-sign{font-size:28px}.mf113-prompt{font-size:20px}.mf113-score span{font-size:20px}.mf113-head h2{font-size:30px}}

/* Patch producción 1.2.1: memoria espacial numerador/denominador y factores completos */
.mf113-inputs.mf113-inputs-vertical{
  grid-template-columns:1fr;
  max-width:460px;
  margin:18px auto;
}
.mf113-inputs.mf113-inputs-vertical label{
  display:block;
  font-size:20px;
}
.mf113-inputs.mf113-inputs-vertical input{
  font-size:30px;
  padding:15px;
}
.mf113-frac-stacked{
  display:grid!important;
  place-items:center;
  gap:2px;
  width:max-content;
  min-width:88px;
  margin:10px auto 14px!important;
  line-height:1!important;
  font-size:34px!important;
}
.mf113-frac-stacked i{
  display:block;
  width:100%;
  min-width:72px;
  height:4px;
  background:#0f172a;
  border-radius:999px;
}
.mf113-factor{
  justify-content:center;
}
.mf113-chip{
  min-width:74px;
}
@media(max-width:700px){
  .mf113-inputs.mf113-inputs-vertical{max-width:100%;}
  .mf113-frac-stacked{font-size:30px!important;}
}