/* ==========================================================================
   AKM Business - World-Class Fullscreen Lightbox Engine CSS (UI/UX)
   ========================================================================== */

#af-lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  flex-direction: column;
  background: rgba(10, 15, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: #ffffff;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-family: var(--bs-font-sans-serif, system-ui, -apple-system, sans-serif);
  user-select: none;
  -webkit-user-select: none;
}

#af-lightbox-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

/* Header Action Bar */
.af-lightbox-header {
  height: 64px;
  min-height: 64px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 10;
}

.af-lightbox-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.af-lightbox-counter {
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.af-lightbox-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.af-lightbox-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.af-lightbox-btn {
  height: 40px;
  padding: 0 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.af-lightbox-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
  transform: translateY(-1px);
}

.af-lightbox-btn-close {
  background: #ef4444;
  border-color: #f87171;
  font-weight: 700;
}

.af-lightbox-btn-close:hover {
  background: #dc2626;
  border-color: #ef4444;
}

/* Main Viewport */
.af-lightbox-viewport {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
}

.af-lightbox-stage {
  max-width: 100%;
  max-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.af-lightbox-stage img {
  max-width: 100%;
  max-height: calc(100vh - 170px);
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
}

.af-lightbox-stage.is-zoomed img {
  transform: scale(1.6);
  cursor: grab;
}

/* Navigation Chevrons */
.af-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #ffffff;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: all 0.2s ease;
}

.af-lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.28);
  transform: translateY(-50%) scale(1.08);
}

.af-lightbox-prev {
  left: 20px;
}

.af-lightbox-next {
  right: 20px;
}

/* Bottom Thumbnails Strip Bar */
.af-lightbox-footer {
  height: 86px;
  min-height: 86px;
  background: rgba(15, 23, 42, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  overflow-x: auto;
  z-index: 10;
}

.af-lightbox-thumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  overflow-x: auto;
  padding: 8px 0;
  scroll-behavior: smooth;
}

.af-lightbox-thumbs::-webkit-scrollbar {
  height: 4px;
}

.af-lightbox-thumbs::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 4px;
}

.af-lightbox-thumb {
  width: 60px;
  height: 60px;
  min-width: 60px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  opacity: 0.5;
  cursor: pointer;
  transition: all 0.2s ease;
}

.af-lightbox-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.af-lightbox-thumb:hover {
  opacity: 0.85;
}

.af-lightbox-thumb.is-active {
  opacity: 1;
  border-color: #3b82f6;
  transform: scale(1.05);
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.5);
}

/* Toast Tooltip Notification */
.af-lightbox-toast {
  position: absolute;
  top: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: rgba(16, 185, 129, 0.95);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 20;
}

.af-lightbox-toast.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Mobile Responsive Adaptation */
@media (max-width: 767.98px) {
  .af-lightbox-header {
    height: 56px;
    min-height: 56px;
    padding: 0 12px;
  }
  .af-lightbox-btn span {
    display: none;
  }
  .af-lightbox-btn {
    padding: 0 10px;
    height: 36px;
  }
  .af-lightbox-nav {
    width: 42px;
    height: 42px;
    font-size: 1.1rem;
  }
  .af-lightbox-prev {
    left: 10px;
  }
  .af-lightbox-next {
    right: 10px;
  }
  .af-lightbox-footer {
    height: 72px;
    min-height: 72px;
  }
  .af-lightbox-thumb {
    width: 48px;
    height: 48px;
    min-width: 48px;
  }
}