@layer base {
  .tutorialCard {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--animation-duration-normal) ease;
    box-shadow: var(--shadow);
  }

  .tutorialCard:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--primary) 20%, transparent);
  }

  .thumbnailContainer {
    position: relative;
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
  }

  .thumbnail {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all var(--animation-duration-normal) ease;
  }

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

  .playButton {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all var(--animation-duration-normal) ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }

  .tutorialCard:hover .playButton {
    background: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  }

  .duration {
    position: absolute;
    bottom: var(--spacing-2);
    right: var(--spacing-2);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
  }

  .tutorialContent {
    padding: var(--spacing-4);
  }

  .tutorialTitle {
    font-family: var(--font-family-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--foreground);
    margin: 0 0 var(--spacing-2) 0;
    line-height: 1.4;
    transition: color var(--animation-duration-fast) ease;
  }

  .tutorialCard:hover .tutorialTitle {
    color: var(--primary);
  }

  .tutorialDescription {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    line-height: 1.5;
    margin: 0;
  }

  /* Mobile responsive */
  @media (max-width: 768px) {
    .tutorialContent {
      padding: var(--spacing-3);
    }

    .tutorialTitle {
      font-size: 0.9375rem;
    }

    .tutorialDescription {
      font-size: 0.8125rem;
    }

    .playButton {
      width: 50px;
      height: 50px;
    }

    .playButton svg {
      width: 20px;
      height: 20px;
    }
  }
}