/**
 * Lazy loading styles
 */

/* Placeholder for lazy-loaded images */
img[data-src] {
  background: #f0f2f5;
  min-height: 100px;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

/* Loaded images */
img.lazy-loaded {
  opacity: 1;
}

/* Error state */
img.lazy-error {
  opacity: 1;
  background: #fafafa;
  position: relative;
}

img.lazy-error::after {
  content: "Image failed to load";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #666;
  font-size: 0.875rem;
}

/* Lazy content containers */
[data-lazy-load] {
  min-height: 200px;
  position: relative;
}

[data-lazy-load]:not(.lazy-loaded)::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  border: 3px solid #f0f2f5;
  border-top-color: #1263a0;
  border-radius: 50%;
  animation: lazy-spin 1s linear infinite;
}

/* Loading animation */
@keyframes lazy-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Hotspot lazy loading */
[data-lazy-load="hotspot"]:not(.lazy-loaded) {
  min-height: 400px;
  background: #fafafa;
}

/* Iframe lazy loading */
[data-lazy-load="iframe"]:not(.lazy-loaded) {
  background: #f0f2f5;
  min-height: 300px;
}

/* Native lazy loading support */
img[loading="lazy"] {
  /* Browser handles lazy loading */
}

/* Responsive images with lazy loading */
picture img[data-src] {
  width: 100%;
  height: auto;
}