@layer components {
  /* ======================
   * CARD - BASE
   * ======================
   * Container component for grouped content.
   */
  .card {
    background-color: var(--color-canvas);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--block-space-lg) var(--inline-space-lg);
  }

  /* Width modifiers */
  .card--narrow {
    max-inline-size: 40ch;
    inline-size: 100%;
  }

  .card--medium {
    max-inline-size: 60ch;
    inline-size: 100%;
  }

  .card--wide {
    inline-size: 100%;
  }

  /* Centered card with shadow (for auth pages, modals) */
  .card--elevated {
    box-shadow: 0 1px 3px oklch(0% 0 0 / 0.08), 0 4px 12px oklch(0% 0 0 / 0.05);
  }

  /* ======================
   * CARD - CLICKABLE/LINK
   * ======================
   * Card that acts as a link with hover effect.
   */
  .card--link {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
  }

  .card--link:hover {
    border-color: var(--color-border-strong);
    box-shadow: 0 2px 8px oklch(0% 0 0 / 0.08);
  }

  /* ======================
   * CARD - GRID
   * ======================
   * Responsive grid layout for cards.
   */
  .card-grid {
    display: grid;
    gap: var(--block-space);
    grid-template-columns: 1fr;
  }

  @media (min-width: 640px) {
    .card-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .card-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .card-grid--compact {
    grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  }

  /* ======================
   * CARD - HEADER/FOOTER
   * ======================
   * Standard card sections.
   */
  .card__header {
    display: flex;
    align-items: center;
    gap: var(--inline-space);
    margin-block-end: var(--block-space-sm);
  }

  .card__header--centered {
    flex-direction: column;
    text-align: center;
    margin-block-end: var(--block-space);
  }

  .card__title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin: 0;
  }

  .card__title--large {
    font-size: var(--text-3xl);
    font-weight: 800;
  }

  .card__subtitle {
    color: var(--color-ink-muted);
  }

  .card__description {
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
    margin: 0;
    margin-block-end: var(--block-space);
    flex: 1;
  }

  .card__meta {
    display: flex;
    align-items: center;
    gap: var(--inline-space);
    font-size: var(--text-sm);
    color: var(--color-ink-muted);
  }

  .card__actions {
    display: flex;
    gap: var(--inline-space-sm);
    margin-block-start: auto;
  }

  .card__footer {
    text-align: center;
    margin-block-start: var(--block-space-lg);
    padding-block-start: var(--block-space);
    border-block-start: 1px solid var(--color-border);
    color: var(--color-ink-muted);
    font-size: var(--text-sm);
  }

  /* ======================
   * CARD - BADGE/TAG
   * ======================
   * Small inline element in card header.
   */
  .card__badge {
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-ink-muted);
    background-color: var(--color-canvas-alt);
    padding: var(--block-space-xs) var(--inline-space-sm);
    border-radius: var(--radius-sm);
  }

  .card__badge--inactive {
    background-color: var(--color-grey-200);
    color: var(--color-grey-600);
  }
}