/* lazy-load.css — Lazy load fade-in and placeholder styles */

/* Lazy loading state */
img.lazy-loading {
  opacity: 0;
  transition: opacity 0.4s ease-out;
}

img.lazy-loading::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  background-size: 200% 100%;
  animation: lazy-shimmer 1.5s infinite;
}

@keyframes lazy-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Loaded state */
img.lazy-loaded {
  opacity: 1;
  animation: lazy-fade-in 0.4s ease-out;
}

@keyframes lazy-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Error state */
img.lazy-error {
  opacity: 0.5;
  background: linear-gradient(135deg, #f5eee5, #ebe8e2);
}

/* Skeleton placeholder wrapper */
.lazy-placeholder {
  position: relative;
  background: linear-gradient(
    90deg,
    #ebe8e2 0%,
    #f5eee5 50%,
    #ebe8e2 100%
  );
  background-size: 200% 100%;
  animation: lazy-placeholder-shimmer 1.5s infinite;
  border-radius: 2px;
}

@keyframes lazy-placeholder-shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.lazy-placeholder img {
  width: 100%;
  height: auto;
  display: block;
}

/* Picture element with lazy loading */
picture img.lazy-loading {
  opacity: 0;
  transition: opacity 0.4s ease-out;
}

picture img.lazy-loaded {
  opacity: 1;
  animation: lazy-fade-in 0.4s ease-out;
}

/* Background image lazy load */
[data-lazy-bg] {
  background-size: cover;
  background-position: center;
  transition: opacity 0.4s ease-out;
}

[data-lazy-bg].lazy-loading {
  opacity: 0;
}

[data-lazy-bg].lazy-loaded {
  opacity: 1;
}

/* Aspect ratio maintenance during lazy load */
img[loading="lazy"] {
  display: block;
  width: 100%;
  height: auto;
}

/* Prevent layout shift */
img[loading="lazy"][width],
img[loading="lazy"][height] {
  aspect-ratio: attr(width) / attr(height);
}

/* Container with aspect ratio */
.lazy-container {
  position: relative;
  overflow: hidden;
  background: #ebe8e2;
}

.lazy-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* Reduce motion support */
@media (prefers-reduced-motion: reduce) {
  img.lazy-loading,
  img.lazy-loaded,
  .lazy-placeholder,
  [data-lazy-bg] {
    animation: none;
    opacity: 1;
  }

  @keyframes lazy-shimmer {
    0%, 100% {
      background-position: 0;
    }
  }

  @keyframes lazy-placeholder-shimmer {
    0%, 100% {
      background-position: 0;
    }
  }
}

/* Mobile optimizations */
@media (max-width: 600px) {
  img.lazy-loading,
  img.lazy-loaded {
    transition-duration: 0.3s;
  }

  .lazy-placeholder {
    animation-duration: 1s;
  }
}

/* Print styles */
@media print {
  img.lazy-loading,
  img.lazy-loaded,
  .lazy-placeholder {
    animation: none;
    opacity: 1;
    background: transparent;
  }
}