/* ============================================================
 * theme.css — TEMA reacciones-quimicas (capa LIBRE).
 * Prefijo: rq- (reacciones-quimicas)
 *
 * Paleta semántica del tema:
 *   coeficiente / acción  -> var(--guia-deep)   naranja cálido
 *   reactivo / estructura -> --guia-green   teal (--guia-teal no existe; se usa --guia-green)
 *   producto / resultado  -> var(--guia-navy)   azul navy
 *
 * Solo usa --guia-* vars. Sin hex hardcodeados de la paleta de marca.
 * Piso de letra: lectura ≥17px · apoyo ≥15px · etiquetas MAYÚS ≥13px.
 * ============================================================ */

/* ===== Leyenda de color del tema ===== */
.rq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  padding: 10px 0;
  font-size: 15px;
}
.rq-legend .it {
  display: flex;
  align-items: center;
  gap: 7px;
}
.rq-legend .sw {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  flex-shrink: 0;
}
.rq-legend .sw.accion   { background: var(--guia-deep); }
.rq-legend .sw.reactivo { background: var(--guia-green); }
.rq-legend .sw.producto { background: var(--guia-navy); }

/* ===== Contenedor genérico de SVG ===== */
.rq-svg-wrap {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  margin: 14px 0;
  min-width: 0;
}
.rq-svg-wrap svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== Widget Detective de reacción (M2) ===== */
.rq-detective-box {
  background: var(--guia-bg);
  border: 1.5px solid var(--guia-line);
  border-radius: 12px;
  padding: 18px 16px;
  min-width: 0;
}
.rq-detective-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.rq-detective-counter {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--guia-muted);
}
.rq-detective-escena {
  font-size: 17px;
  line-height: 1.55;
  color: var(--guia-ink);
  margin-bottom: 16px;
  padding: 14px;
  background: var(--guia-cream);
  border-radius: 8px;
  min-height: 72px;
}
.rq-senales-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}
.rq-senal-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1.5px solid var(--guia-line);
  border-radius: 8px;
  background: var(--guia-bg);
  cursor: pointer;
  font-size: 15px;
  color: var(--guia-ink);
  transition: border-color .15s, background .15s;
  text-align: left;
  min-width: 0;
}
.rq-senal-btn.sel {
  border-color: var(--guia-deep);
  background: color-mix(in srgb, var(--guia-deep) 10%, transparent);
  color: var(--guia-deep);
  font-weight: 600;
}
.rq-senal-btn:hover:not(.sel) {
  border-color: var(--guia-navy);
  background: color-mix(in srgb, var(--guia-navy) 6%, transparent);
}
.rq-detective-confirm {
  display: inline-block;
  padding: 10px 22px;
  background: var(--guia-deep);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .15s;
}
.rq-detective-confirm:disabled { opacity: .45; cursor: default; }
.rq-detective-fb {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.5;
  display: none;
}
.rq-detective-fb.ok   { background: color-mix(in srgb, var(--guia-green) 12%, transparent); border-left: 3px solid var(--guia-green); }
.rq-detective-fb.miss { background: color-mix(in srgb, var(--guia-deep) 10%, transparent);  border-left: 3px solid var(--guia-deep); }
.rq-detective-fb.show { display: block; }
.rq-detective-siguiente {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 18px;
  background: var(--guia-navy);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: none;
}
.rq-detective-siguiente.show { display: inline-block; }

/* ===== Widget Balanceador (M4) ===== */
.rq-bal-box {
  background: var(--guia-bg);
  border: 1.5px solid var(--guia-line);
  border-radius: 12px;
  padding: 18px 16px;
  min-width: 0;
}
.rq-bal-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--guia-muted);
  margin-bottom: 14px;
}
.rq-bal-ecuacion {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px 6px;
  margin-bottom: 16px;
}
.rq-bal-termino {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.rq-bal-ctrl {
  display: flex;
  align-items: center;
  gap: 6px;
}
.rq-bal-ctrl button {
  width: 28px;
  height: 28px;
  border: 1.5px solid var(--guia-line);
  border-radius: 6px;
  background: var(--guia-bg);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  color: var(--guia-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .12s;
}
.rq-bal-ctrl button:hover { background: var(--guia-cream); }
.rq-bal-coef {
  min-width: 24px;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--guia-deep);
}
.rq-bal-formula {
  font-size: 18px;
  font-weight: 600;
  color: var(--guia-ink);
  padding: 4px 6px;
}
.rq-bal-op {
  font-size: 22px;
  font-weight: 700;
  color: var(--guia-muted);
  align-self: flex-start;
  padding-top: 28px;
}
.rq-bal-flecha {
  font-size: 22px;
  color: var(--guia-ink);
  align-self: flex-start;
  padding-top: 28px;
  padding-left: 4px;
  padding-right: 4px;
}
/* Contadores de átomos */
.rq-bal-contadores {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.rq-bal-elem {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--guia-cream);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 15px;
}
.rq-bal-elem .sym {
  font-weight: 700;
  color: var(--guia-ink);
}
.rq-bal-elem .cnt-r { color: var(--guia-deep); font-weight: 700; }
.rq-bal-elem .cnt-p { color: var(--guia-navy); font-weight: 700; }
.rq-bal-elem .sep   { color: var(--guia-muted); }
.rq-bal-elem.ok     { border: 1.5px solid var(--guia-green); }
.rq-bal-elem.mal    { border: 1.5px solid var(--guia-deep); }
/* Estado de éxito */
.rq-bal-exito {
  display: none;
  margin-top: 10px;
  padding: 12px 14px;
  background: color-mix(in srgb, var(--guia-green) 12%, transparent);
  border-left: 3px solid var(--guia-green);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--guia-ink);
}
.rq-bal-exito.show { display: block; }
.rq-bal-pista {
  font-size: 15px;
  color: var(--guia-muted);
  margin-top: 10px;
  line-height: 1.5;
  display: none;
}
.rq-bal-pista.show { display: block; }
.rq-bal-pista-btn {
  background: none;
  border: 1px solid var(--guia-line);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 15px;
  cursor: pointer;
  color: var(--guia-muted);
  margin-top: 8px;
}
/* Navegación entre ecuaciones */
.rq-bal-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.rq-bal-nav button {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1.5px solid var(--guia-line);
  background: var(--guia-bg);
  font-size: 15px;
  cursor: pointer;
  transition: background .12s;
}
.rq-bal-nav button.activa {
  background: var(--guia-deep);
  border-color: var(--guia-deep);
  color: #fff;
  font-weight: 700;
}

/* ===== Widget Clasificador de tipos (M5) ===== */
.rq-clas-box {
  background: var(--guia-bg);
  border: 1.5px solid var(--guia-line);
  border-radius: 12px;
  padding: 18px 16px;
  min-width: 0;
}
.rq-clas-progress {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--guia-muted);
  margin-bottom: 12px;
}
.rq-clas-ecuacion {
  font-size: 18px;
  font-weight: 700;
  color: var(--guia-ink);
  background: var(--guia-cream);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 14px;
  min-height: 52px;
  display: flex;
  align-items: center;
}
.rq-clas-opciones {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}
.rq-clas-btn {
  padding: 10px 8px;
  border: 1.5px solid var(--guia-line);
  border-radius: 8px;
  background: var(--guia-bg);
  font-size: 15px;
  cursor: pointer;
  transition: border-color .14s, background .14s;
  text-align: center;
  color: var(--guia-ink);
}
.rq-clas-btn:hover { border-color: var(--guia-navy); background: color-mix(in srgb, var(--guia-navy) 6%, transparent); }
.rq-clas-btn.ok   { border-color: var(--guia-green); background: color-mix(in srgb, var(--guia-green) 12%, transparent); color: var(--guia-green-deep, var(--guia-green)); font-weight: 700; }
.rq-clas-btn.mal  { border-color: var(--guia-deep); background: color-mix(in srgb, var(--guia-deep) 10%, transparent); color: var(--guia-deep); }
.rq-clas-fb {
  font-size: 15px;
  line-height: 1.5;
  padding: 10px 14px;
  border-radius: 8px;
  display: none;
  margin-bottom: 10px;
}
.rq-clas-fb.ok   { background: color-mix(in srgb, var(--guia-green) 12%, transparent); border-left: 3px solid var(--guia-green); }
.rq-clas-fb.mal  { background: color-mix(in srgb, var(--guia-deep) 10%, transparent);  border-left: 3px solid var(--guia-deep); }
.rq-clas-fb.show { display: block; }
.rq-clas-sig {
  padding: 9px 20px;
  background: var(--guia-navy);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: none;
}
.rq-clas-sig.show { display: inline-block; }
.rq-clas-resumen {
  font-size: 16px;
  margin-top: 12px;
  padding: 14px;
  background: var(--guia-cream);
  border-radius: 8px;
  display: none;
  line-height: 1.6;
}
.rq-clas-resumen.show { display: block; }

/* ===== Widget Energía clasificador (M6) ===== */
.rq-ener-box {
  background: var(--guia-bg);
  border: 1.5px solid var(--guia-line);
  border-radius: 12px;
  padding: 18px 16px;
  min-width: 0;
}
.rq-ener-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.rq-ener-card {
  border: 1.5px solid var(--guia-line);
  border-radius: 10px;
  padding: 14px 12px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--guia-ink);
  min-width: 0;
}
.rq-ener-card p { margin: 0 0 10px; }
.rq-ener-btns {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.rq-ener-btn {
  flex: 1;
  min-width: 60px;
  padding: 8px 4px;
  border: 1.5px solid var(--guia-line);
  border-radius: 8px;
  background: var(--guia-bg);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: border-color .14s, background .14s;
}
.rq-ener-btn.exo { border-color: var(--guia-deep); color: var(--guia-deep); }
.rq-ener-btn.endo { border-color: var(--guia-navy); color: var(--guia-navy); }
.rq-ener-btn.ok {
  background: color-mix(in srgb, var(--guia-green) 15%, transparent);
  border-color: var(--guia-green);
  color: var(--guia-green-deep, var(--guia-green));
}
.rq-ener-btn.mal {
  background: color-mix(in srgb, var(--guia-deep) 12%, transparent);
}
.rq-ener-card .rq-ener-fb {
  font-size: 17px;
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 7px;
  display: none;
  line-height: 1.45;
}
.rq-ener-card .rq-ener-fb.show { display: block; }
.rq-ener-card .rq-ener-fb.ok   { background: color-mix(in srgb, var(--guia-green) 12%, transparent); }
.rq-ener-card .rq-ener-fb.mal  { background: color-mix(in srgb, var(--guia-deep) 10%, transparent); }

/* ===== Widget Práctica acumulativa (M7) ===== */
.rq-prac-box {
  background: var(--guia-bg);
  border: 1.5px solid var(--guia-line);
  border-radius: 12px;
  padding: 18px 16px;
  min-width: 0;
}
.rq-prac-progreso {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--guia-muted);
  margin-bottom: 12px;
}
.rq-prac-tipo-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 3px 9px;
  border-radius: 20px;
  margin-bottom: 8px;
  background: var(--guia-cream);
  color: var(--guia-muted);
  border: 1px solid var(--guia-line);
}
.rq-prac-enunciado {
  font-size: 17px;
  line-height: 1.55;
  color: var(--guia-ink);
  margin-bottom: 14px;
  padding: 12px 14px;
  background: var(--guia-cream);
  border-radius: 8px;
}
.rq-prac-opciones {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}
.rq-prac-opt {
  padding: 11px 14px;
  border: 1.5px solid var(--guia-line);
  border-radius: 8px;
  background: var(--guia-bg);
  font-size: 16px;
  cursor: pointer;
  text-align: left;
  color: var(--guia-ink);
  transition: border-color .14s, background .14s;
  min-width: 0;
}
.rq-prac-opt:hover { border-color: var(--guia-navy); }
.rq-prac-opt.sel { border-color: var(--guia-deep); font-weight: 600; }
.rq-prac-sig {
  padding: 9px 20px;
  background: var(--guia-deep);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .14s;
}
.rq-prac-sig:disabled { opacity: .45; cursor: default; }
/* Resumen final */
.rq-prac-resultado {
  display: none;
  margin-top: 14px;
}
.rq-prac-resultado.show { display: block; }
.rq-prac-score {
  font-size: 20px;
  font-weight: 700;
  color: var(--guia-ink);
  margin-bottom: 14px;
}
.rq-prac-item-sol {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 8px;
}
.rq-prac-item-sol.ok  { background: color-mix(in srgb, var(--guia-green) 10%, transparent); border-left: 3px solid var(--guia-green); }
.rq-prac-item-sol.mal { background: color-mix(in srgb, var(--guia-deep) 10%, transparent);  border-left: 3px solid var(--guia-deep); }

/* ===== Tarjetas de patrón de tipos de reacciones (M5 — visual estático) ===== */
.rq-patrones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin: 14px 0;
}
.rq-patron-card {
  border: 1.5px solid var(--guia-line);
  border-radius: 10px;
  padding: 12px 10px;
  background: var(--guia-bg);
  min-width: 0;
}
.rq-patron-nombre {
  font-size: 14px;
  font-weight: 700;
  color: var(--guia-deep);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 6px;
}
.rq-patron-formula {
  font-size: 15px;
  font-weight: 600;
  color: var(--guia-ink);
  margin-bottom: 6px;
}
.rq-patron-ejemplo {
  font-size: 15px;
  color: var(--guia-muted);
  line-height: 1.45;
}

/* ===== SVG del perfil de energía (M6 — visual estático) ===== */
.rq-energia-wrap {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  margin: 14px 0;
  min-width: 0;
}
.rq-energia-wrap svg {
  max-width: 100%;
  height: auto;
}

/* ===== SVG ecuación anotada (M3 — visual estático) ===== */
.rq-ec-wrap {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  margin: 14px 0;
  min-width: 0;
}
.rq-ec-wrap svg {
  max-width: 100%;
  height: auto;
}

/* ===== Responsive 360px ===== */
@media (max-width: 480px) {
  .rq-senales-grid { grid-template-columns: 1fr 1fr; }
  .rq-clas-opciones { grid-template-columns: 1fr 1fr; }
  .rq-ener-cards { grid-template-columns: 1fr; }
  .rq-patrones-grid { grid-template-columns: 1fr 1fr; }
  .rq-bal-ecuacion { gap: 6px 4px; }
}

@media print {
  .rq-detective-box,
  .rq-bal-box,
  .rq-clas-box,
  .rq-ener-box,
  .rq-prac-box { display: none !important; }
}