/* =========================================================
   RatoLibre — Memorama: estilos propios del juego
   Depende de los tokens de ../../assets/css/base.css
   ========================================================= */

:root {
  --memo-reverso: #b5533c;
  --memo-reverso-linea: rgba(251, 247, 240, 0.55);
  --memo-pareja: #2f6f4e;
  --memo-pareja-bg: #e3efe8;
  --memo-giro: 0.45s;
}

/* ---------- Zona de juego ---------- */

.memo-area {
  padding: 12px;
}

.memo-cabecera {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  margin: 2px 4px 14px;
  font-weight: 600;
  color: var(--muted);
}

.memo-cabecera strong {
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.memo-cabecera .memo-tiempo {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
}

.memo-cabecera .memo-tiempo strong {
  font-size: 1.45rem;
  letter-spacing: 0.02em;
}

/* ---------- Tablero ---------- */

.memo-tablero {
  display: grid;
  grid-template-columns: repeat(var(--memo-columnas, 4), minmax(0, 1fr));
  gap: 10px;
  width: 100%;
  max-width: var(--memo-ancho, 560px);
  margin: 0 auto;
}

/* Fácil: 12 cartas */
.memo-tablero[data-nivel="facil"] {
  --memo-columnas: 3;
  --memo-ancho: 440px;
}

/* Medio: 16 cartas */
.memo-tablero[data-nivel="medio"] {
  --memo-columnas: 4;
  --memo-ancho: 560px;
}

/* Difícil: 24 cartas */
.memo-tablero[data-nivel="dificil"] {
  --memo-columnas: 4;
  --memo-ancho: 560px;
  gap: 8px;
}

@media (min-width: 640px) {
  .memo-tablero[data-nivel="facil"] {
    --memo-columnas: 4;
    --memo-ancho: 600px;
  }

  .memo-tablero[data-nivel="dificil"] {
    --memo-columnas: 6;
    --memo-ancho: 780px;
    gap: 10px;
  }
}

/* ---------- Cartas ---------- */

.carta {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  min-height: 48px;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  perspective: 800px;
  -webkit-tap-highlight-color: transparent;
  container-type: inline-size;
}

.carta:focus {
  outline: none;
}

.carta:focus-visible .carta-giro {
  outline: 4px solid var(--text);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.carta-giro {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  transition: transform var(--memo-giro) ease;
}

.carta.boca-arriba .carta-giro {
  transform: rotateY(180deg);
}

.carta-cara {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border-radius: var(--radius);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  box-shadow: var(--shadow);
}

/* Reverso: terracota con marco punteado */
.carta-reverso {
  background:
    radial-gradient(circle at 50% 50%, rgba(251, 247, 240, 0.28) 0 18%, transparent 19%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.07) 0 6px, transparent 6px 12px),
    var(--memo-reverso);
  border: 2px solid var(--accent-dark);
}

.carta-reverso::after {
  content: "";
  position: absolute;
  inset: 7%;
  border: 2px dashed var(--memo-reverso-linea);
  border-radius: calc(var(--radius) - 4px);
}

.carta:hover:not(:disabled) .carta-reverso {
  filter: brightness(1.08);
}

/* Frente: dibujo + nombre */
.carta-frente {
  transform: rotateY(180deg);
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 6%;
}

.carta-frente svg {
  display: block;
  width: 72%;
  height: auto;
  max-height: 72%;
}

.carta-frente .nombre {
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  text-align: center;
  white-space: nowrap;
}

/* En cartas pequeñas (celular, nivel difícil) basta con el dibujo */
@container (max-width: 84px) {
  .carta-frente .nombre {
    display: none;
  }

  .carta-frente svg {
    width: 82%;
    max-height: 82%;
  }
}

.carta.encontrada {
  cursor: default;
}

.carta.encontrada .carta-frente {
  border: 3px solid var(--memo-pareja);
  background: var(--memo-pareja-bg);
}

.carta.encontrada .carta-frente::after {
  content: "✓";
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1;
  color: var(--memo-pareja);
}

.carta.fallo .carta-frente {
  border-color: var(--accent);
}

/* ---------- Mensaje ---------- */

.memo-mensaje {
  min-height: 1.5rem;
  margin: 14px 4px 0;
  font-weight: 600;
  text-align: center;
  color: var(--text);
}

.memo-mensaje.es-ok {
  color: var(--accent-2);
}

/* ---------- Paneles (victoria y confirmación) ---------- */

.memo-panel {
  margin: 0 0 16px;
  padding: 20px 16px;
  border: 2px solid var(--accent-2);
  border-radius: var(--radius);
  background: var(--accent-2-soft);
  text-align: center;
  animation: memo-aparecer 0.35s ease-out;
}

.memo-panel[hidden] {
  display: none;
}

.memo-panel:focus {
  outline: none;
}

.memo-panel .titulo {
  margin: 0 0 0.4rem;
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--accent-2);
}

.memo-panel p {
  margin: 0 0 0.6rem;
}

.memo-panel .botones {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 12px;
}

.memo-panel .botones .btn {
  flex: 1 1 200px;
  max-width: 320px;
}

.memo-confirmar {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.memo-confirmar .titulo {
  color: var(--accent-dark);
}

@keyframes memo-aparecer {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Selector de nivel ---------- */

.memo-nivel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
  font-weight: 700;
}

.memo-nivel select {
  flex: 1 1 auto;
  min-height: 48px;
  min-width: 140px;
  padding: 0 40px 0 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20'%3E%3Cpath fill='none' stroke='%231f2a37' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round' d='M4 7l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.memo-nivel select:hover {
  border-color: var(--accent);
}

/* ---------- Récords ---------- */

.memo-estado {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 16px 0;
  padding: 12px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.memo-estado .dato {
  display: flex;
  flex-direction: column;
  min-width: 6ch;
}

.memo-estado .etiqueta {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.memo-estado strong {
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
}

/* ---------- Texto de ayuda ---------- */

.memo-ayuda ol li {
  margin-bottom: 0.6rem;
}

/* ---------- Movimiento reducido ---------- */

@media (prefers-reduced-motion: reduce) {
  :root {
    --memo-giro: 0s;
  }

  .memo-panel {
    animation: none;
  }
}