.source-hardware-page .hw-tab-bar {
      display: flex;
      gap: 0.25rem;
      flex-wrap: wrap;
      justify-content: center;
      margin: 1.75rem auto 0;
      max-width: 840px;
    }
    .source-hardware-page .hw-tab-bar a {
      font-size: 0.82rem;
      font-weight: 600;
      padding: 0.38rem 0.9rem;
      border-radius: 999px;
      border: 1px solid var(--color-border);
      color: var(--color-text-muted);
      text-decoration: none;
      transition: border-color var(--transition), color var(--transition), background var(--transition);
    }
    .source-hardware-page .hw-tab-bar a:hover,
    .source-hardware-page .hw-tab-bar a.is-active {
      border-color: var(--color-accent);
      color: var(--color-accent);
      background: var(--color-accent-dim);
    }
    .source-hardware-page .software-toc {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 0.5rem;
      margin-top: 1.5rem;
    }
    .source-hardware-page .software-toc a {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.7rem 1rem;
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--color-text-muted);
      text-decoration: none;
      transition: border-color var(--transition), color var(--transition), background var(--transition);
    }
    .source-hardware-page .software-toc a:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
      background: var(--color-accent-dim);
    }
    .source-hardware-page .step-section {
      margin-top: 3rem;
      padding-top: 2rem;
      border-top: 1px solid var(--color-border);
    }
    .source-hardware-page .step-section:first-of-type {
      border-top: none;
      padding-top: 0;
      margin-top: 2rem;
    }
    .source-hardware-page .step-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--color-accent);
      background: var(--color-accent-dim);
      border: 1px solid var(--color-border-glow);
      border-radius: 999px;
      padding: 0.25rem 0.75rem;
      margin-bottom: 0.75rem;
    }
    .source-hardware-page .error-cards {
      display: grid;
      gap: 1rem;
      margin-top: 1.5rem;
    }
    .source-hardware-page .error-card {
      background: var(--color-bg-card);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
    }
    .source-hardware-page .error-card-header {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 1rem 1.25rem;
      background: var(--color-bg-elevated);
      border-bottom: 1px solid var(--color-border);
    }
    .source-hardware-page .error-badge {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: #dc2626;
      background: rgba(220, 38, 38, 0.08);
      border: 1px solid rgba(220, 38, 38, 0.2);
      border-radius: 999px;
      padding: 0.2rem 0.6rem;
      flex-shrink: 0;
    }
    .source-hardware-page .error-card-header strong { font-size: 0.92rem; color: var(--color-text); }
    .source-hardware-page .error-card-body { padding: 1rem 1.25rem; }
    .source-hardware-page .error-card-body p { font-size: 0.9rem; color: var(--color-text-muted); margin: 0 0 0.75rem; }
    .source-hardware-page .error-card-body pre { margin: 0; }
    .source-hardware-page .page-nav-strip {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
      padding: 2rem 0;
      border-top: 1px solid var(--color-border);
      margin-top: 3rem;
    }
    .source-hardware-page .page-nav-strip a { font-size: 0.9rem; font-weight: 600; color: var(--color-accent); text-decoration: none; }
    .source-hardware-page .page-nav-strip a:hover { text-decoration: underline; }
    .source-hardware-page .page-nav-prev { display: flex; flex-direction: column; }
    .source-hardware-page .page-nav-next { display: flex; flex-direction: column; align-items: flex-end; }
    .source-hardware-page .page-nav-label {
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--color-text-dim);
      margin-bottom: 0.2rem;
    }
    .source-hardware-page .wiki-links {
      display: flex;
      gap: 0.75rem;
      flex-wrap: wrap;
      margin-top: 1.5rem;
    }
    .source-hardware-page .wiki-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1rem;
      background: var(--color-bg-elevated);
      border: 1px solid var(--color-border);
      border-radius: var(--radius);
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--color-text-muted);
      text-decoration: none;
      transition: border-color var(--transition), color var(--transition);
    }
    .source-hardware-page .wiki-link:hover { border-color: var(--color-accent); color: var(--color-accent); }
    .source-hardware-page .breadcrumb {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.83rem;
      color: var(--color-text-dim);
      margin-bottom: 1rem;
      flex-wrap: wrap;
    }
    .source-hardware-page .breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
    .source-hardware-page .breadcrumb a:hover { color: var(--color-accent); }
    .source-hardware-page .breadcrumb span { color: var(--color-text-dim); }