/* ============================================================
   LABORATORIO DE INTELIGENCIA ARTIFICIAL
   Academia de Robótica de La Manguita
   (usa las clases base de css/aprendizaje.css)
   ============================================================ */

/* ---------- Demo: árbol de decisión ---------- */
.arbol-caja {
  background-color: var(--gris-claro);
  border-radius: 14px;
  padding: 1rem;
  text-align: center;
}

.arbol-pregunta {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--azul);
  margin-bottom: 0.9rem;
}

.btn-sino {
  border: 2px solid var(--azul-claro);
  background-color: var(--blanco);
  color: var(--azul-claro);
  font-family: inherit;
  font-weight: 800;
  font-size: 0.85rem;
  padding: 0.5rem 1.6rem;
  border-radius: 999px;
  cursor: pointer;
  margin: 0 0.3rem;
  transition: all 0.15s ease;
}

.btn-sino:hover {
  background-color: var(--azul-claro);
  color: var(--blanco);
  transform: translateY(-2px);
}

.arbol-ruta {
  margin-top: 0.9rem;
  font-size: 0.72rem;
  color: var(--gris);
  line-height: 1.7;
}

.arbol-resultado {
  margin-top: 0.9rem;
  padding: 0.9rem;
  border-radius: 12px;
  background-color: #f0fdf4;
  border: 2px solid var(--verde);
  font-size: 0.88rem;
}

.arbol-resultado strong {
  color: #15803d;
}

/* ---------- Demo: clasificador k-NN ---------- */
.modo-frutas {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
  flex-wrap: wrap;
}

.btn-modo {
  flex: 1;
  min-width: 120px;
  border: 2px solid #e5e7eb;
  background-color: var(--blanco);
  border-radius: 10px;
  padding: 0.45rem 0.6rem;
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-modo.activa-manzana {
  border-color: #ef4444;
  background-color: #fef2f2;
  color: #b91c1c;
}

.btn-modo.activa-limon {
  border-color: #eab308;
  background-color: #fefce8;
  color: #a16207;
}

.lienzo-frutas {
  position: relative;
  height: 230px;
  border-radius: 14px;
  border: 2px dashed #cbd5e1;
  background: linear-gradient(135deg, #f8fafc, #eff6ff);
  overflow: hidden;
  cursor: crosshair;
}

.punto-fruta {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
}

.punto-fruta.manzana {
  background-color: #ef4444;
}

.punto-fruta.limon {
  background-color: #facc15;
}

.punto-prediccion {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--morado);
  border: 3px solid var(--blanco);
  box-shadow: 0 0 0 2px var(--morado), 0 0 14px rgba(124, 58, 237, 0.65);
  animation: aparicion 0.35s ease;
}

@keyframes aparicion {
  from { transform: translate(-50%, -50%) scale(0); }
  to { transform: translate(-50%, -50%) scale(1); }
}

.resultado-knn {
  margin-top: 0.7rem;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  background-color: #f5f3ff;
  border: 2px solid var(--morado);
  font-size: 0.82rem;
  line-height: 1.55;
  min-height: 2.4em;
}

.contador-datos {
  font-size: 0.72rem;
  color: var(--gris);
  margin-top: 0.45rem;
}

/* ---------- Demo: neurona ---------- */
.fila-control {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.55rem;
}

.fila-control label {
  flex: 0 0 150px;
  font-size: 0.74rem;
  font-weight: 800;
  color: var(--gris-oscuro);
}

.fila-control input[type="range"] {
  flex: 1;
  accent-color: var(--azul-claro);
}

.fila-control .valor-slider {
  flex: 0 0 42px;
  text-align: right;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--azul-claro);
  font-family: Consolas, monospace;
}

.formula-neurona {
  font-family: Consolas, monospace;
  font-size: 0.78rem;
  background-color: var(--gris-claro);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  margin: 0.8rem 0;
  color: var(--gris-oscuro);
  word-break: break-all;
}

.barra-salida-envoltura {
  height: 26px;
  background-color: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
}

#barraNeurona {
  height: 100%;
  width: 50%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--celeste), var(--morado));
  transition: width 0.25s ease, background 0.25s ease;
}

.estado-neurona {
  text-align: center;
  font-size: 0.95rem;
  font-weight: 800;
  margin-top: 0.6rem;
}

.estado-neurona.activada {
  color: #c2410c;
}

.estado-neurona.dormida {
  color: var(--azul);
}

/* ---------- Demo: chatbot ---------- */
.chat-caja {
  height: 210px;
  overflow-y: auto;
  background-color: var(--gris-claro);
  border-radius: 12px;
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.7rem;
}

.chat-msj {
  max-width: 85%;
  padding: 0.5rem 0.8rem;
  border-radius: 14px;
  font-size: 0.78rem;
  line-height: 1.5;
}

.chat-msj.usuario {
  align-self: flex-end;
  background-color: var(--azul-claro);
  color: var(--blanco);
  border-bottom-right-radius: 4px;
}

.chat-msj.bot {
  align-self: flex-start;
  background-color: var(--blanco);
  border: 2px solid #e5e7eb;
  border-bottom-left-radius: 4px;
}

.chat-fila {
  display: flex;
  gap: 0.5rem;
}

.chat-fila input {
  flex: 1;
  border: 2px solid #e5e7eb;
  border-radius: 10px;
  padding: 0.5rem 0.8rem;
  font-family: inherit;
  font-size: 0.8rem;
  outline: none;
}

.chat-fila input:focus {
  border-color: var(--celeste);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.6rem;
}

.chip {
  border: 1px solid var(--celeste);
  color: var(--azul-claro);
  background-color: var(--blanco);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  cursor: pointer;
  font-family: inherit;
}

.chip:hover {
  background-color: #eff6ff;
}

/* ---------- Demo: sesgo ---------- */
.elegir-conjunto {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
}

.pruebas-sesion {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.btn-prueba {
  border: 2px solid #e5e7eb;
  background-color: var(--blanco);
  border-radius: 12px;
  padding: 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.4;
}

.btn-prueba:hover:not(:disabled) {
  border-color: var(--morado);
  transform: translateY(-2px);
}

.btn-prueba:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.resultado-sesion {
  margin-top: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.linea-prueba {
  font-size: 0.78rem;
  background-color: var(--gris-claro);
  border-radius: 10px;
  padding: 0.5rem 0.8rem;
  animation: aparicionSuave 0.3s ease;
}

@keyframes aparicionSuave {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.conclusion-sesion {
  margin-top: 0.8rem;
  padding: 0.8rem 1rem;
  border-radius: 12px;
  font-size: 0.82rem;
  line-height: 1.55;
}

.conclusion-sesion.mala {
  background-color: #fef2f2;
  border: 2px solid #ef4444;
}

.conclusion-sesion.buena {
  background-color: #f0fdf4;
  border: 2px solid var(--verde);
}

/* ---------- Demo: reconocimiento de patrones ---------- */
.rejilla-patrones {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  width: 190px;
  margin: 0 auto 0.8rem;
}

.celula-patron {
  aspect-ratio: 1;
  border-radius: 6px;
  border: 2px solid #e5e7eb;
  background-color: var(--blanco);
  cursor: pointer;
  transition: background-color 0.1s ease;
}

.celula-patron.encendida {
  background-color: var(--morado);
  border-color: var(--morado);
}

.plantillas-ref {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-bottom: 0.8rem;
}

.mini-plantilla {
  text-align: center;
}

.mini-rejilla {
  display: grid;
  grid-template-columns: repeat(5, 7px);
  gap: 1.5px;
  margin: 0 auto 0.25rem;
}

.mini-celda {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background-color: #e5e7eb;
}

.mini-celda.on {
  background-color: var(--azul-claro);
}

.mini-plantilla span {
  font-size: 0.62rem;
  color: var(--gris);
  font-weight: 700;
}

.puntajes-similitud {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.8rem;
}

.fila-similitud {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
}

.fila-similitud span:first-child {
  flex: 0 0 70px;
  font-weight: 800;
  color: var(--gris-oscuro);
}

.barra-sim {
  flex: 1;
  height: 12px;
  background-color: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
}

.barra-sim > div {
  height: 100%;
  width: 0%;
  background-color: var(--celeste);
  border-radius: 999px;
  transition: width 0.4s ease;
}

.ganadora .barra-sim > div {
  background-color: var(--verde);
}

.ganadora span:last-child {
  color: #15803d;
  font-weight: 800;
}

.fila-similitud span:last-child {
  flex: 0 0 48px;
  text-align: right;
  color: var(--gris);
}

.acciones-demo {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.9rem;
}

.btn-demo {
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 800;
  font-size: 0.76rem;
  padding: 0.5rem 1rem;
  border-radius: 10px;
  background-color: var(--azul-claro);
  color: var(--blanco);
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn-demo:hover {
  transform: translateY(-2px);
}

.btn-demo.secundario {
  background-color: var(--gris-claro);
  color: var(--gris-oscuro);
  border: 2px solid #e5e7eb;
}

.pista-demo {
  margin-top: 0.9rem;
  font-size: 0.74rem;
  color: var(--gris);
  background-color: var(--gris-claro);
  border-left: 4px solid var(--celeste);
  padding: 0.55rem 0.8rem;
  border-radius: 0 10px 10px 0;
  line-height: 1.55;
}