#videoInfo {
  margin-top: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  padding: 1.5em 2em;
  background-color: var(--video-info-bg-color);
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(0,0,0,0.1);
  color: var(--video-info-text-color);
  font-size: 1rem;
  line-height: 1.5;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.5s ease, max-height 0.5s ease;
  user-select: text;
  word-wrap: break-word;
}

#videoInfo.visible {
  opacity: 1;
  max-height: 1500px; 
}

#videoInfo h3 {
  font-size: 1.8rem;
  margin-bottom: 0.6em;
  color: var(--video-info-heading-color);
  font-weight: 700;
  word-break: break-word;
}

#videoInfo img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 1em;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

#videoInfo ul {
  list-style: none;
  padding-left: 0;
}

#videoInfo ul li {
  margin-bottom: 0.5em;
  font-weight: 500;
  color: var(--video-info-list-color);
}

#videoInfo ul li strong {
  color: var(--video-info-list-strong-color);
}

#videoInfo ul li a {
  color: var(--video-info-link-color);
  text-decoration: none;
}

#videoInfo ul li a:hover,
#videoInfo ul li a:focus {
  text-decoration: underline;
}

/* --- Playlist Mode --- */
#videoInfo.playlist-mode {
  max-width: 95%; 
}

/* Playlist Header */
.playlist-header {
  display: flex;
  flex-direction: column;
  padding: 2rem;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  border-radius: 16px;
  margin-bottom: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.playlist-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 0.4rem 0.9rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--video-info-text-color);
  margin-bottom: 1rem;
}

.playlist-info {
  flex: 1;
}

.playlist-title {
  font-size: 1.9rem;
  margin: 0 0 0.6rem 0;
  color: var(--video-info-heading-color);
  font-weight: 700;
  line-height: 1.2;
}

.playlist-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.95rem;
  color: var(--video-info-text-color);
  opacity: 0.85;
  flex-wrap: wrap;
}

.playlist-count,
.playlist-channel {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-weight: 500;
}

.playlist-count svg,
.playlist-channel svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Layout liste des vidéos */
#playlistVideos {
  margin-top: 1em;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* Carte vidéo playlist */
.playlist-video-card {
  background: var(--playlist-background-color);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.12);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.playlist-video-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--video-info-link-color), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.playlist-video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
  border-color: rgba(255, 255, 255, 0.15);
}

.playlist-video-card:hover::before {
  opacity: 1;
}

/* Thumbnail wrapper avec durée */
.video-thumbnail-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.video-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.playlist-video-card:hover .video-thumbnail {
  transform: scale(1.05);
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.9);
  color: white;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', monospace;
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}

/* Contenu vidéo */
.video-content {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.02));
}

.video-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--video-info-heading-color);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 2.8em;
  transition: color 0.2s ease;
}

.playlist-video-card:hover .video-title {
  color: var(--video-info-link-color);
}

.video-uploader {
  font-size: 0.9rem;
  color: var(--video-info-text-color);
  opacity: 0.7;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Actions vidéo */
.video-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.video-link {
  flex: 1;
  text-decoration: none;
  color: var(--video-info-link-color);
  font-size: 0.9rem;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.2s ease;
  text-align: center;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

.video-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.video-link:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
  text-decoration: none;
  transform: translateY(-1px);
}

.copy-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  display: inline-flex;          
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.copy-btn svg {
  width: 18px;
  height: 18px;
  color: var(--video-info-text-color);
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.copy-btn:active {
  transform: scale(0.95);
}

.copy-btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}


/* Responsive */
@media (max-width: 768px) {
  #playlistVideos {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
  }

  .playlist-header {
    padding: 1.5rem;
  }

  .playlist-title {
    font-size: 1.5rem;
  }

  .playlist-meta {
    gap: 0.8rem;
  }
}

@media (max-width: 480px) {
  #videoInfo {
    padding: 1em;
    font-size: 0.9rem;
  }

  #videoInfo h3 {
    font-size: 1.4rem;
  }

  #playlistVideos {
    grid-template-columns: 1fr;
  }

  .playlist-header {
    padding: 1.2rem;
  }

  .playlist-title {
    font-size: 1.3rem;
  }

  .playlist-badge {
    font-size: 0.75rem;
    padding: 0.4rem 0.8rem;
  }
}
