/**
 * =============================================================================
 * INTIMATE FULLSCREEN POLAROID LIGHTBOX MODAL
 * - Backdrop blur with dark espresso wash
 * - Large high-definition photo view
 * - Handwritten love notes and railway memory archive stamp
 * =============================================================================
 */

.polaroid-lightbox-modal {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s var(--ease-smooth), visibility 0.3s ease;
}

.polaroid-lightbox-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Modal Backdrop */
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 12, 13, 0.88);
  backdrop-filter: blur(14px);
  cursor: pointer;
}

/* Modal Dialog Box */
.lightbox-dialog {
  position: relative;
  z-index: 10;
  width: min(92vw, 1050px);
  max-height: 90vh;
  background-color: var(--color-parchment);
  border: 1.5px solid #DFCDB4;
  border-radius: 12px;
  box-shadow: 
    0 30px 90px rgba(0, 0, 0, 0.7),
    0 4px 16px rgba(0, 0, 0, 0.3);
  overflow-y: auto;
  padding: clamp(24px, 4vw, 44px);
  transform: scale(0.94) translateY(15px);
  transition: transform 0.35s var(--ease-spring);
}

.polaroid-lightbox-modal.is-open .lightbox-dialog {
  transform: scale(1) translateY(0);
}

/* Navigation & Close Buttons */
.lightbox-close-btn {
  position: absolute;
  top: 16px;
  right: 18px;
  background: rgba(43, 41, 39, 0.08);
  border: 1px solid rgba(43, 41, 39, 0.2);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-charcoal);
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 20;
}

.lightbox-close-btn:hover {
  background-color: var(--color-terracotta);
  color: #FFF;
  border-color: var(--color-terracotta);
  transform: rotate(90deg);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(246, 241, 231, 0.9);
  border: 1px solid #DFCDB4;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--color-charcoal);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all 0.2s ease;
  z-index: 20;
}

.lightbox-nav-btn:hover {
  background-color: var(--color-charcoal);
  color: var(--color-parchment);
  transform: translateY(-50%) scale(1.08);
}

.btn-prev {
  left: 14px;
}

.btn-next {
  right: 14px;
}

/* Content Grid */
.lightbox-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

/* Image Column (Polaroid Frame) */
.lightbox-image-column {
  display: flex;
  justify-content: center;
}

.lightbox-polaroid-frame {
  background-color: var(--color-cream);
  padding: 16px 16px 28px 16px;
  border-radius: 6px;
  box-shadow: 0 16px 40px rgba(43, 41, 39, 0.2);
  border: 1px solid rgba(223, 205, 180, 0.7);
  max-width: 440px;
  width: 100%;
}

.lightbox-full-img {
  width: 100%;
  max-height: 55vh;
  object-fit: contain;
  display: block;
  border-radius: 3px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
  background-color: #1A1817;
}

/* Details Column */
.lightbox-details-column {
  display: flex;
  flex-direction: column;
}

.lightbox-ticket-stamp {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-terracotta);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.lightbox-title {
  font-family: var(--font-editorial);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-charcoal-deep);
  line-height: 1.2;
  margin-bottom: 8px;
}

.lightbox-meta {
  display: flex;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.lightbox-divider {
  font-size: 1.4rem;
  color: var(--color-terracotta);
  margin-bottom: 16px;
  opacity: 0.7;
}

.lightbox-full-note {
  font-family: var(--font-poetic);
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  font-style: italic;
  color: var(--color-charcoal);
  line-height: 1.55;
  margin-bottom: 24px;
}

.lightbox-dedication {
  font-family: var(--font-handwriting);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-terracotta-dark);
}

@media (max-width: 780px) {
  .lightbox-content-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .lightbox-dialog {
    padding: 24px 18px;
  }
  .lightbox-nav-btn {
    display: none; /* Swipe or tap on mobile */
  }
}