/* ==========================================================================
   ESCENA 3: BAÚL DE LOS RECUERDOS (MASONRY & POLAROID)
   ========================================================================== */

.vault-container {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 2rem;
}

/* Grid Masonry Adaptativo */
.masonry-grid {
  width: 100%;
  column-count: 2;
  column-gap: 1.1rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 480px) {
  .masonry-grid {
    column-count: 2;
    column-gap: 0.85rem;
  }
}

/* Tarjeta Polaroid de Recuerdo */
.polaroid-card {
  break-inside: avoid;
  margin-bottom: 1.1rem;
  background: #ffffff;
  padding: 0.65rem 0.65rem 0.95rem 0.65rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  user-select: none;
  
  /* Staggered drop inicial */
  opacity: 0;
  transform: translateY(-40px) rotate(var(--random-rotation, 0deg));
}

.polaroid-card.dropped {
  opacity: 1;
  transform: translateY(0) rotate(var(--random-rotation, 0deg));
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.polaroid-card:active {
  transform: scale(0.98) rotate(var(--random-rotation, 0deg));
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.5);
}

.polaroid-img-wrapper {
  position: relative;
  width: 100%;
  background: #1a1e28;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.polaroid-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.polaroid-caption {
  font-family: var(--font-pixel);
  font-size: 0.75rem;
  color: #3d342d;
  text-align: center;
  margin-top: 0.6rem;
  line-height: 1.35;
  padding: 0 0.2rem;
  word-break: break-word;
}

/* Pausa Narrativa / Fecha Especial dentro del Baúl */
.memory-date-block {
  width: 100%;
  margin: 1rem 0 3rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.memory-date-line {
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.memory-date-card {
  text-align: center;
  max-width: 480px;
  background: rgba(22, 30, 48, 0.85);
  border: 1px solid rgba(246, 216, 155, 0.3);
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  box-shadow: 0 0 20px rgba(246, 216, 155, 0.15);
}

.memory-date-sparkle {
  color: var(--accent-gold);
  font-size: 1.2rem;
  opacity: 0.8;
  animation: gentlePulse 2.5s infinite ease-in-out;
}

.memory-date-text {
  font-family: var(--font-pixel);
  font-size: 1.1rem;
  color: var(--accent-gold);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.memory-quote-text {
  font-family: var(--font-letter);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-main);
  line-height: 1.4;
}

.vault-footer {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  width: 100%;
}

/* ==========================================================================
   MODAL LIGHTBOX FULLSCREEN (SWIPE & CONTROLS)
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.lightbox-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 6, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lightbox-content {
  position: relative;
  z-index: 2;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  touch-action: pan-y;
}

.lightbox-close-btn {
  position: absolute;
  top: -2.8rem;
  right: 0;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 1.2rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.lightbox-close-btn:active {
  transform: scale(0.92);
  background: rgba(255, 255, 255, 0.25);
}

.lightbox-image-container {
  max-width: 100%;
  max-height: 70vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0d111a;
}

.lightbox-img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.lightbox-footer {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-align: center;
}

.lightbox-caption {
  font-family: var(--font-pixel);
  font-size: 0.9rem;
  color: var(--accent-gold);
  min-height: 1.2rem;
}

.lightbox-counter {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-family: var(--font-pixel);
}

.lightbox-nav-btn {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  font-size: 1.1rem;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.lightbox-nav-btn:active {
  transform: translateY(-50%) scale(0.9);
  background: rgba(255, 255, 255, 0.28);
}

.prev-btn {
  left: -3rem;
}

.next-btn {
  right: -3rem;
}

@media (max-width: 768px) {
  .prev-btn {
    left: 0.25rem;
  }
  .next-btn {
    right: 0.25rem;
  }
  .lightbox-nav-btn {
    background: rgba(13, 17, 26, 0.75);
  }
}