.admin-nav-link.active {
  background-color: #374151;
  color: #ffffff;
}

.drop-zone-hover {
  border-color: #3b82f6;
  background-color: #eff6ff;
}

.toast {
  transition: all 0.3s ease-in-out;
  transform: translateX(100%);
}

.toast.show {
  transform: translateX(0);
}

.video-card {
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.video-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.loading-spinner {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
      transform: rotate(0deg);
  }
  to {
      transform: rotate(360deg);
  }
}

.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
      opacity: 0;
      transform: translateY(10px);
  }
  to {
      opacity: 1;
      transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
      opacity: 0;
      transform: translateY(20px);
  }
  to {
      opacity: 1;
      transform: translateY(0);
  }
}

.video-thumbnail {
  transition: all 0.3s ease;
}

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

.video-overlay {
  background: linear-gradient(45deg, rgba(0,0,0,0.1), rgba(0,0,0,0.3));
}

.video-preview-container {
  position: relative;
  overflow: hidden;
}

.video-preview-container video {
  transition: transform 0.3s ease;
}

.video-preview-container:hover video {
  transform: scale(1.02);
}

#videoPreview {
  background: #000;
}

#videoPreview:focus {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

.video-duration-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}