/* Image Loader Styles */

/* Ensure position context for lazy loading */
.portfolio-item {
  position: relative;
}

/* Lazy loading images */
img[data-src] {
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

img.lazy-loaded {
  opacity: 1;
}

/* Placeholder styles */
.lazy-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

/* Blur-up effect for placeholders with preview images */
.blur-up {
  filter: blur(10px);
  transform: scale(1.1);
  transition: filter 0.5s ease-in-out, opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

/* Skeleton loading animation */
.skeleton-loading {
  background-color: #eee;
  position: relative;
  overflow: hidden;
}

.skeleton-loading::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0) 0%, 
    rgba(255, 255, 255, 0.2) 50%, 
    rgba(255, 255, 255, 0) 100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* Fade out animation for placeholders */
.fade-out {
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

/* Image modal improvements */
.modal-image img {
  width: 100%;
  height: auto;
  border-radius: 4px;
  transition: opacity 0.5s ease-in-out;
}

/* Loading state for modal image */
.modal-image-loading {
  position: relative;
  min-height: 300px;
}

.modal-image-loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #eee;
  border-radius: 4px;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { opacity: 0.6; }
  50% { opacity: 1; }
  100% { opacity: 0.6; }
}