@layer base {
  .header {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-6);
  }

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

  .ratingSection {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
  }

  .averageRating {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
  }

  .ratingNumber {
    font-size: 2rem;
    font-weight: 700;
    color: var(--foreground);
    font-family: var(--font-family-monospace);
  }

  .stars {
    display: flex;
    gap: 2px;
  }

  .star {
    color: var(--muted-foreground);
    fill: transparent;
    stroke: currentColor;
    stroke-width: 1.5;
  }

  .starFilled {
    color: var(--accent);
    fill: currentColor;
    stroke: currentColor;
    stroke-width: 1;
  }

  .reviewCount {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--muted-foreground);
    font-size: 0.875rem;
  }

  .userInfo {
    flex: 1;
    text-align: right;
  }

  .title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--foreground);
    font-family: var(--font-family-heading);
  }

  .filters {
    display: flex;
    justify-content: flex-end;
  }

  .filterGroup {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--muted-foreground);
  }

  .roleSelect {
    min-width: 12rem;
  }

  @media (max-width: 768px) {
    .header {
      padding: var(--spacing-4);
    }

    .summary {
      flex-direction: column;
      align-items: flex-start;
      gap: var(--spacing-3);
    }

    .ratingSection {
      flex-direction: column;
      align-items: flex-start;
      gap: var(--spacing-2);
    }

    .averageRating {
      gap: var(--spacing-3);
    }

    .userInfo {
      text-align: left;
    }

    .title {
      font-size: 1.25rem;
    }

    .filters {
      justify-content: flex-start;
    }

    .roleSelect {
      min-width: 10rem;
    }
  }
}