@layer base {
  .categoriesGrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-4);
    margin: var(--spacing-6) 0;
  }

  .categoryCard {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-align: left;
    cursor: pointer;
    transition: all var(--animation-duration-normal) ease;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
  }

  .categoryCard::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--category-color);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--animation-duration-normal) ease;
  }

  .categoryCard:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--category-color) 30%, transparent);
  }

  .categoryCard:hover::before {
    transform: scaleY(1);
  }

  .categoryIcon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--category-color) 10%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--category-color);
    transition: all var(--animation-duration-normal) ease;
  }

  .categoryCard:hover .categoryIcon {
    background: color-mix(in srgb, var(--category-color) 15%, transparent);
    transform: scale(1.05);
  }

  .categoryContent {
    flex: 1;
    min-width: 0;
  }

  .categoryTitle {
    font-family: var(--font-family-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin: 0 0 var(--spacing-2) 0;
    line-height: 1.4;
  }

  .categoryDescription {
    font-size: 0.9375rem;
    color: var(--muted-foreground);
    margin: 0 0 var(--spacing-3) 0;
    line-height: 1.5;
  }

  .categoryMeta {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .articleCount {
    font-size: 0.875rem;
    color: var(--category-color);
    font-weight: 500;
  }

  .chevron {
    color: var(--muted-foreground);
    transition: transform var(--animation-duration-fast) ease;
  }

  .categoryCard:hover .chevron {
    transform: translateX(4px);
    color: var(--category-color);
  }

  /* Mobile responsive */
  @media (max-width: 768px) {
    .categoriesGrid {
      grid-template-columns: 1fr;
      gap: var(--spacing-3);
    }

    .categoryCard {
      padding: var(--spacing-4);
      gap: var(--spacing-3);
    }

    .categoryIcon {
      width: 40px;
      height: 40px;
    }

    .categoryTitle {
      font-size: 1rem;
    }

    .categoryDescription {
      font-size: 0.875rem;
    }
  }
}