@layer base, layout, components, utilities, pages;

/* Type-level CSS for Resource Archive (ダウンロード資料) - Simple Download Grid */

@layer pages {
  .resource-archive {
    --res-bg: #fafafa;
    --res-surface: #ffffff;
    --res-text: #16171a;
    --res-text-muted: rgba(22, 23, 26, 0.55);
    --res-accent: #b38f2d;
    --res-accent-hover: #d4a833;
    --res-border: rgba(22, 23, 26, 0.08);
    --res-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --res-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --res-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --res-radius: 0;
    --res-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    padding-block: clamp(48px, 8vw, 80px);
    background: var(--res-bg);
  }

  /* ─────────────────────────────────────────────
     Resource Grid
     ───────────────────────────────────────────── */
  .resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: clamp(20px, 3vw, 32px);
    margin: clamp(32px, 5vw, 48px) 0 0;
    padding: 0;
    list-style: none;
  }

  /* ─────────────────────────────────────────────
     Resource Card
     ───────────────────────────────────────────── */
  .resource-card {
    display: flex;
    flex-direction: column;
    background: var(--res-surface);
    border: 1px solid var(--res-border);
    box-shadow: var(--res-shadow-sm);
    transition: all var(--res-transition);
    overflow: hidden;
  }

  .resource-card:hover {
    box-shadow: var(--res-shadow-md);
    transform: translateY(-2px);
  }

  /* Thumbnail */
  .resource-card__thumb {
    position: relative;
    aspect-ratio: 4 / 3;
    background: #f0f0f2;
    overflow: hidden;
  }

  .resource-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

  .resource-card:hover .resource-card__image {
    transform: scale(1.03);
  }

  .resource-card__placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f5f7, #e8e8ea);
    color: #a0a0a5;
  }

  /* Body */
  .resource-card__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: clamp(16px, 2.5vw, 24px);
  }

  .resource-card__title {
    margin: 0;
    font-family: var(--font-sans);
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    font-weight: 600;
    line-height: 1.5;
    color: var(--res-text);
  }

  .resource-card__meta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: "DM Sans", var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--res-text-muted);
    letter-spacing: 0.02em;
  }

  .resource-card__meta svg {
    flex-shrink: 0;
    opacity: 0.7;
  }

  /* Action */
  .resource-card__action {
    padding: 0 clamp(16px, 2.5vw, 24px) clamp(16px, 2.5vw, 24px);
  }

  .resource-card__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: clamp(12px, 2vw, 14px) 16px;
    background: var(--res-accent);
    border: 1px solid var(--res-accent);
    color: #0d0d0f;
    font-family: "DM Sans", var(--font-sans);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    text-decoration: none;
    transition: all var(--res-transition);
    cursor: pointer;
  }

  .resource-card__btn:hover {
    background: #0d0d0f;
    border-color: #0d0d0f;
    color: var(--res-accent);
  }

  .resource-card__btn svg {
    flex-shrink: 0;
    transition: transform 0.2s ease;
  }

  .resource-card__btn:hover svg {
    transform: translateY(2px);
  }

  .resource-card__btn--disabled {
    background: #e5e5e7;
    border-color: #e5e5e7;
    color: #9a9a9e;
    cursor: not-allowed;
  }

  .resource-card__btn--disabled:hover {
    background: #e5e5e7;
    border-color: #e5e5e7;
    color: #9a9a9e;
  }

  /* Empty state */
  .resource-empty {
    text-align: center;
    padding: clamp(48px, 8vw, 80px) 0;
    color: var(--res-text-muted);
    font-size: 1rem;
  }

  /* ─────────────────────────────────────────────
     Responsive
     ───────────────────────────────────────────── */
  @media (max-width: 680px) {
    .resource-grid {
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .resource-card {
      flex-direction: row;
      align-items: stretch;
    }

    .resource-card__thumb {
      width: 120px;
      flex-shrink: 0;
      aspect-ratio: auto;
    }

    .resource-card__body {
      padding: 16px;
      justify-content: center;
    }

    .resource-card__title {
      font-size: 0.9rem;
    }

    .resource-card__action {
      display: flex;
      align-items: center;
      padding: 16px;
      padding-left: 0;
    }

    .resource-card__btn {
      width: auto;
      padding: 10px 16px;
      font-size: 0.75rem;
    }

    .resource-card__btn span {
      display: none;
    }
  }

  @media (max-width: 480px) {
    .resource-card__thumb {
      width: 100px;
    }

    .resource-card__body {
      padding: 12px;
    }

    .resource-card__action {
      padding: 12px;
      padding-left: 0;
    }

    .resource-card__btn {
      padding: 10px 12px;
    }
  }
}