@layer base {
  .section {
    padding: var(--spacing-16) 0;
    background-color: var(--surface);
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
  }

  .header {
    text-align: center;
    margin-bottom: var(--spacing-12);
  }

  .title {
    font-family: var(--font-family-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: var(--spacing-4);
  }

  .description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    max-width: 600px;
    margin: 0 auto;
  }

  .content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
  }

  .topics {
    /* Container for forum topics section */
  }

  .recentPosts {
    /* Container for recent posts section */
  }

  .sectionTitle {
    font-family: var(--font-family-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--spacing-6);
  }

  .topicsGrid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
  }

  .topicCard {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    transition: all var(--animation-duration-normal) ease;
    cursor: pointer;
  }

  .topicCard:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
  }

  .topicIcon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background: color-mix(in srgb, currentColor 10%, transparent);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .topicContent {
    flex: 1;
  }

  .topicName {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--spacing-1);
  }

  .topicDescription {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: var(--spacing-3);
  }

  .topicStats {
    display: flex;
    gap: var(--spacing-4);
  }

  .topicStat {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: 0.75rem;
    color: var(--muted-foreground);
  }

  .topicActivity {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: 0.75rem;
    color: var(--muted-foreground);
    flex-shrink: 0;
  }

  .postsGrid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
  }

  .postCard {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    transition: all var(--animation-duration-normal) ease;
    position: relative;
  }

  .postCard:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow);
  }

  .pinned {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 5%, var(--card));
  }

  .pinnedBadge {
    position: absolute;
    top: var(--spacing-3);
    right: var(--spacing-3);
    background: var(--accent);
    color: var(--accent-foreground);
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius);
  }

  .postHeader {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
  }

  .authorInfo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
  }

  .authorAvatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
  }

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

  .authorRole {
    font-size: 0.75rem;
    color: var(--muted-foreground);
  }

  .postTime {
    font-size: 0.75rem;
    color: var(--muted-foreground);
  }

  .postTitle {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: var(--spacing-3);
    line-height: 1.4;
  }

  .postContent {
    color: var(--muted-foreground);
    line-height: 1.5;
    margin-bottom: var(--spacing-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .postTags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-4);
  }

  .tag {
    background: var(--muted);
    color: var(--muted-foreground);
    font-size: 0.75rem;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius);
  }

  .postStats {
    display: flex;
    gap: var(--spacing-4);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--border);
  }

  .postStat {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: 0.75rem;
    color: var(--muted-foreground);
  }

  .actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
  }

  /* Responsive design */
  @media (max-width: 768px) {
    .content {
      grid-template-columns: 1fr;
      gap: var(--spacing-8);
    }

    .title {
      font-size: 2rem;
    }

    .topicCard {
      flex-direction: column;
      align-items: flex-start;
      text-align: left;
    }

    .topicActivity {
      align-self: flex-end;
    }

    .actions {
      flex-direction: column;
      align-items: center;
    }

    .actions .button {
      width: 100%;
      max-width: 300px;
    }
  }
}