/* ===============================================
   IMAGE LIGHTBOX STYLES
   =============================================== */

.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

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

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.lightbox-overlay.active .lightbox-content {
  transform: scale(1);
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
  margin-top: 20px;
  text-align: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 500;
  max-width: 600px;
  line-height: 1.4;
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  padding: 10px;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10000;
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

.lightbox-close:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Navigation arrows */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 15px;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-nav:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.lightbox-nav:disabled:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-50%) scale(1);
}

/* Timeline image hover effect */
.timeline-image img {
  cursor: pointer;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.timeline-image img:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* Loading state */
.lightbox-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 1.2rem;
}

.lightbox-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top: 3px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 10px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .lightbox-content {
    max-width: 95vw;
    max-height: 95vh;
  }
  
  .lightbox-image {
    max-height: 75vh;
  }
  
  .lightbox-caption {
    font-size: 1rem;
    margin-top: 15px;
    padding: 0 20px;
  }
  
  .lightbox-close {
    top: -40px;
    right: 10px;
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
  }
  
  .lightbox-nav {
    width: 50px;
    height: 50px;
    font-size: 1.2rem;
    padding: 10px;
  }
  
  .lightbox-prev {
    left: 10px;
  }
  
  .lightbox-next {
    right: 10px;
  }
}

@media (max-width: 480px) {
  .lightbox-content {
    max-width: 98vw;
    max-height: 98vh;
  }
  
  .lightbox-image {
    max-height: 70vh;
  }
  
  .lightbox-caption {
    font-size: 0.9rem;
    margin-top: 10px;
  }
  
  .lightbox-close {
    top: -35px;
    right: 5px;
  }
  
  .lightbox-nav {
    width: 45px;
    height: 45px;
    font-size: 1.1rem;
  }
  
  .lightbox-prev {
    left: 5px;
  }
  
  .lightbox-next {
    right: 5px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  .lightbox-overlay,
  .lightbox-content,
  .lightbox-nav,
  .lightbox-close,
  .timeline-image img {
    transition: none;
  }
  
  .lightbox-spinner {
    animation: none;
  }
}

/* Focus management */
.lightbox-overlay:focus {
  outline: none;
}

.lightbox-overlay[aria-hidden="false"] {
  pointer-events: auto;
}

.lightbox-overlay[aria-hidden="true"] {
  pointer-events: none;
}