/**
 * STYLES POUR LE SYSTÈME DE CHARGEMENT PROGRESSIF D'IMAGES
 * Mangaverse Admin Dashboard
 */

/* Variables CSS pour éviter les répétitions */
:root {
  /* Couleurs pour les motifs damier */
  --damier-light: #f3f4f6;
  --damier-dark: #374151;

  /* Gradients de shimmer */
  --shimmer-admin: linear-gradient(
    90deg,
    #f0f0f0 25%,
    #e0e0e0 50%,
    #f0f0f0 75%
  );
  --shimmer-home: linear-gradient(
    135deg,
    #f3f4f6 0%,
    #e5e7eb 50%,
    #f3f4f6 100%
  );
  --shimmer-dark: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
}

/* Conteneur principal pour les thumbnails */
.media-thumbnail-container {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  background: linear-gradient(45deg, var(--damier-light) 25%, transparent 25%),
    linear-gradient(-45deg, var(--damier-light) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--damier-light) 75%),
    linear-gradient(-45deg, transparent 75%, var(--damier-light) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0px;
}

/* Image progressive */
.progressive-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.3s ease-in-out;
  filter: blur(0px);
}

/* États de chargement */
.progressive-image[data-src]:not([src]) {
  background: var(--shimmer-admin);
  background-size: 200% 100%;
  animation: loading-shimmer 1.5s infinite;
}

.progressive-image.loaded-thumb {
  filter: blur(1px);
}

.progressive-image.loaded-medium {
  filter: blur(0.5px);
}

.progressive-image.loaded-original {
  filter: blur(0px);
}

/* Animation de chargement */
@keyframes loading-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Overlay avec bouton play */
.media-play-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  cursor: pointer;
}

.media-thumbnail-container:hover .media-play-overlay {
  opacity: 1;
}

.media-play-button {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.media-play-button:hover {
  background: white;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.media-play-button i {
  color: #374151;
  font-size: 14px;
  margin-left: 2px;
}

/* Indicateurs de type de média */
.media-type-indicator {
  position: absolute;
  top: 4px;
  right: 4px;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
}

.media-type-youtube {
  background: #ff0000;
  color: white;
}

.media-type-tiktok {
  background: #000000;
  color: white;
}

.media-type-instagram {
  background: linear-gradient(
    45deg,
    #f09433 0%,
    #e6683c 25%,
    #dc2743 50%,
    #cc2366 75%,
    #bc1888 100%
  );
  color: white;
}

.media-type-image {
  background: #6b7280;
  color: white;
}

/* Indicateur de qualité */
.quality-indicator {
  position: absolute;
  bottom: 4px;
  left: 4px;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 500;
  transition: all 0.3s ease;
  backdrop-filter: blur(4px);
}

/* Badge featured */
.featured-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  background: linear-gradient(45deg, #fbbf24, #f59e0b);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 2px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.featured-badge i {
  font-size: 8px;
}

/* États d'erreur */
.progressive-image.image-error {
  filter: grayscale(1);
  opacity: 0.6;
}

.image-error-overlay {
  position: absolute;
  inset: 0;
  background: rgba(239, 68, 68, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #dc2626;
  font-size: 12px;
  font-weight: 500;
}

/* Animations d'apparition */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.media-thumbnail-container {
  animation: fadeInScale 0.3s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
  .media-thumbnail-container {
    width: 60px;
    height: 48px;
  }

  .media-play-button {
    width: 24px;
    height: 24px;
  }

  .media-play-button i {
    font-size: 10px;
  }

  .quality-indicator,
  .media-type-indicator,
  .featured-badge {
    font-size: 8px;
    padding: 1px 4px;
  }
}

/* Mode sombre (si nécessaire) */
@media (prefers-color-scheme: dark) {
  .media-thumbnail-container {
    background: linear-gradient(45deg, var(--damier-dark) 25%, transparent 25%),
      linear-gradient(-45deg, var(--damier-dark) 25%, transparent 25%),
      linear-gradient(45deg, transparent 75%, var(--damier-dark) 75%),
      linear-gradient(-45deg, transparent 75%, var(--damier-dark) 75%);
  }

  .progressive-image[data-src]:not([src]) {
    background: var(--shimmer-dark);
  }
}

/* Container principal pour les images progressives */
.progressive-image-container {
  position: relative;
  overflow: hidden;
  display: block;
}

/* Placeholder avec effet de blur */
.progressive-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--shimmer-home);
  background-size: 200% 200%;
  animation: loading-shimmer 1.5s infinite;
  z-index: 1;
}

/* Animation de shimmer pour le placeholder - UTILISE loading-shimmer ci-dessus */

/* Styles pour les images à différents niveaux de qualité */
.progressive-small,
.progressive-medium,
.progressive-original {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.3s ease;
  z-index: 2;
}

/* Image de basse qualité (apparaît en premier) */
.progressive-small {
  filter: blur(5px);
  transform: scale(1.05); /* Légèrement agrandi pour cacher les bords flous */
  z-index: 2;
}

/* Image de qualité moyenne */
.progressive-medium {
  filter: blur(1px);
  z-index: 3;
}

/* Image de haute qualité (finale) */
.progressive-original {
  filter: none;
  z-index: 4;
}

/* États de chargement */
.progressive-loading {
  opacity: 0;
}

.progressive-loaded {
  opacity: 1;
}

/* État d'erreur */
.progressive-error {
  opacity: 0;
}

.progressive-error::after {
  content: "⚠️";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  z-index: 10;
}

/* Animation de fondu pour les transitions */
.progressive-fade-in {
  animation: progressiveFadeIn 0.4s ease-out forwards;
}

@keyframes progressiveFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Indicateur de chargement */
.progressive-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid rgba(99, 102, 241, 0.1);
  border-top: 3px solid #f97316;
  border-radius: 50%;
  animation: progressiveSpinner 1s linear infinite;
  z-index: 5;
}

@keyframes progressiveSpinner {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Cache le loader quand l'image est chargée */
.progressive-loaded .progressive-loader {
  display: none;
}

/* Responsive - adaptations pour mobile */
@media (max-width: 768px) {
  .progressive-small {
    filter: blur(3px); /* Moins de blur sur mobile */
  }

  .progressive-medium {
    filter: blur(0.5px);
  }
}

/* Support pour les images en mode sombre */
@media (prefers-color-scheme: dark) {
  .progressive-placeholder {
    background: var(--shimmer-dark);
  }
}

/* Animation de pulse pour les placeholders sans image */
.progressive-placeholder.pulse {
  animation: progressivePulse 2s infinite;
}

@keyframes progressivePulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

/* Styles pour l'admin (plus compact) */
.admin-view .progressive-image-container {
  border-radius: 8px;
}

.admin-view .progressive-placeholder {
  background: var(--shimmer-admin);
}

/* Optimisations pour les performances */
.progressive-image-container * {
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Support pour les images WebP avec fallback */
.progressive-webp-support .progressive-original[data-webp] {
  content: attr(data-webp);
}

/* Accessibilité - réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
  .progressive-small,
  .progressive-medium,
  .progressive-original {
    transition: none;
  }

  .progressive-placeholder {
    animation: none;
  }

  .progressive-fade-in {
    animation: none;
    opacity: 1;
  }
}