/* ============================
   MÓDULO: MEMORIA
   ============================ */

#screen-memoria {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg-main);
  font-family: 'Quicksand', 'Segoe UI', sans-serif;
}

/* ---------- HEADER ---------- */
.memoria-header {
  padding: 16px 20px;
}

.memoria-header .nav-back {
  background: #ffffff;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 16px;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.memoria-header .nav-back:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateX(-3px);
}

/* ---------- CONTENIDO ---------- */
.memoria-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
}

.memoria-instruccion {
  text-align: center;
  margin-bottom: 24px;
}

.memoria-instruccion h2 {
  font-size: 28px;
  color: var(--color-primary-dark);
  margin: 0 0 6px;
}

.memoria-instruccion p {
  font-size: 18px;
  color: #5a5a5a;
  margin: 0;
}

/* ---------- TABLERO (12 cartas, grid 4x3) ---------- */
.memoria-tablero {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  width: 100%;
  max-width: 480px;
  perspective: 800px;
}

/* ---------- CARTAS ---------- */
.memoria-carta {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 38px;
  background: var(--color-secondary);
  color: #ffffff;
  border-radius: 16px;
  cursor: pointer;
  box-shadow: 0 6px 0 rgba(0, 0, 0, 0.08);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.15s ease;
  user-select: none;
}

.memoria-carta:hover {
  transform: translateY(-3px) scale(1.04);
}

.memoria-carta:active {
  transform: scale(0.95);
}

/* carta volteada (mostrando emoji, esperando verificación) */
.memoria-carta.volteada {
  background: #ffffff;
  border: 3px solid var(--color-accent);
  color: initial;
  cursor: default;
  animation: memoria-flip 0.35s ease;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.06);
}

/* carta ya encontrada (pareja confirmada) */
.memoria-carta.encontrada {
  background: var(--color-success);
  color: #ffffff;
  cursor: default;
  animation: memoria-acierto 0.4s ease;
  box-shadow: none;
  opacity: 0.9;
}

@keyframes memoria-flip {
  from { transform: rotateY(90deg); }
  to   { transform: rotateY(0deg); }
}

@keyframes memoria-acierto {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* ---------- FOOTER / PROGRESO ---------- */
.memoria-footer {
  padding: 20px 24px 28px;
}

.memoria-progreso-label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}

/* (.progress-bar / .progress-bar__fill ya definidos globalmente
   si usaste el mismo bloque del módulo Secuencias) */
.progress-bar {
  width: 100%;
  height: 14px;
  background: #ffffff;
  border: 2px solid var(--color-secondary);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-success));
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 480px) {
  .memoria-tablero {
    gap: 10px;
    max-width: 360px;
  }

  .memoria-carta {
    font-size: 28px;
    border-radius: 12px;
  }
}

/* ---------- ACCESIBILIDAD: REDUCIR MOVIMIENTO ---------- */
@media (prefers-reduced-motion: reduce) {
  .memoria-carta,
  .memoria-carta.volteada,
  .memoria-carta.encontrada {
    animation: none;
    transition: none;
  }
}

/* ========== CARD DE INSTRUCCIONES ========== */
.animales-instruccion,
.clasifica-instruccion,
.reloj-instruccion,
.memoria-instruccion,
.sec-instruccion,
.vocal-objetivo-header,
.inicial-instruccion,
.manzanas-instruccion {
  background: #ffffff;
  border-radius: 24px;
  padding: 24px 32px;
  margin: 20px auto;
  max-width: 600px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.animales-instruccion h2,
.clasifica-instruccion h2,
.reloj-instruccion h2,
.memoria-instruccion h2,
.sec-instruccion h2,
.vocal-objetivo-header h2,
.inicial-instruccion h2,
.manzanas-instruccion h2 {
  margin: 0 0 12px 0;
  font-size: 1.6rem;
  color: var(--text-dark);
}

.animales-instruccion p,
.clasifica-instruccion p,
.reloj-instruccion p,
.memoria-instruccion p,
.sec-instruccion p,
.vocal-objetivo-header p,
.inicial-instruccion p,
.manzanas-instruccion p {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text-medium);
}