*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --bg: #f4f6f9;
      --card-bg: #ffffff;
      --primary: #003865;
      --accent: #c8a84b;
      --accent-light: #f5f0e0;
      --text: #1a1a2e;
      --muted: #6b7280;
      --border: #e2e8f0;
      --shadow: 0 2px 8px rgba(0,0,0,0.08);
      --shadow-hover: 0 6px 20px rgba(0,56,101,0.14);
      --radius: 10px;
    }

    body {
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
    }

    /* ── Header ── */
    header {
      background: var(--primary);
      color: #fff;
      padding: 14px 32px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }
    header h1 {
      font-size: 1.1rem;
      font-weight: 600;
      letter-spacing: -0.2px;
    }

    /* ── Controls ── */
    #controls {
      background: #fff;
      border-bottom: 1px solid var(--border);
      padding: 16px 32px;
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      align-items: center;
    }
    #controls .search-wrap {
      flex: 1; min-width: 200px; max-width: 420px;
      position: relative;
    }
    #controls .search-wrap svg {
      position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
      width: 16px; height: 16px; color: var(--muted);
      pointer-events: none;
    }
    #search {
      width: 100%;
      padding: 9px 12px 9px 34px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.9rem;
      outline: none;
      transition: border-color .2s, box-shadow .2s;
    }
    #search:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0,56,101,0.1);
    }
    #sort-select {
      padding: 9px 12px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.9rem;
      background: #fff;
      cursor: pointer;
      outline: none;
    }
    .count-badge {
      background: var(--primary);
      color: #fff;
      border-radius: 20px;
      padding: 4px 12px;
      font-size: 0.8rem;
      font-weight: 600;
      margin-left: auto;
    }

    /* ── Grid ── */
    #view-offices {
      padding: 28px 32px;
    }
    .offices-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
      gap: 20px;
    }

    /* ── Office Card ── */
    .office-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 20px;
      cursor: pointer;
      transition: box-shadow .2s, transform .15s, border-color .2s;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .office-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
      transform: translateY(-2px);
    }
    .office-card .card-name {
      font-weight: 700;
      font-size: 1rem;
      color: var(--primary);
      line-height: 1.3;
    }
    .office-card .card-meta {
      font-size: 0.83rem;
      color: var(--muted);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .office-card .card-meta svg {
      width: 13px; height: 13px; flex-shrink: 0;
    }
    .office-card .card-footer {
      margin-top: 6px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .member-pill {
      background: var(--accent-light);
      color: var(--primary);
      border-radius: 20px;
      padding: 3px 10px;
      font-size: 0.78rem;
      font-weight: 600;
    }
    .view-btn {
      font-size: 0.8rem;
      color: var(--primary);
      font-weight: 600;
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .view-btn svg {
      width: 14px; height: 14px;
    }

    /* ── No results ── */
    #no-results {
      display: none;
      text-align: center;
      padding: 60px 20px;
      color: var(--muted);
    }
    #no-results svg {
      width: 48px; height: 48px; margin-bottom: 12px;
    }

    /* ── Detail View ── */
    #view-detail {
      display: none;
      padding: 28px 32px;
    }
    .back-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: none;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 8px 14px;
      font-size: 0.85rem;
      cursor: pointer;
      color: var(--primary);
      font-weight: 600;
      margin-bottom: 24px;
      transition: background .15s;
    }
    .back-btn:hover { background: var(--bg); }

    .detail-header {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 28px;
      margin-bottom: 24px;
      box-shadow: var(--shadow);
    }
    .detail-header h2 {
      font-size: 1.5rem;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 14px;
    }
    .detail-info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 12px;
    }
    .detail-info-item {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .detail-info-item .label {
      font-size: 0.73rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      color: var(--muted);
      font-weight: 600;
    }
    .detail-info-item .value {
      font-size: 0.92rem;
      color: var(--text);
      font-weight: 500;
    }
    .detail-info-item .value a {
      color: var(--primary);
      text-decoration: none;
    }
    .detail-info-item .value a:hover { text-decoration: underline; }

    .members-section h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .members-section h3 .member-count {
      background: var(--primary);
      color: #fff;
      border-radius: 20px;
      padding: 2px 10px;
      font-size: 0.78rem;
      font-weight: 600;
    }

    /* Member search in detail */
    #member-search-wrap {
      margin-bottom: 16px;
      max-width: 340px;
      position: relative;
    }
    #member-search-wrap svg {
      position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
      width: 14px; height: 14px; color: var(--muted);
      pointer-events: none;
    }
    #member-search {
      width: 100%;
      padding: 8px 12px 8px 32px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.87rem;
      outline: none;
      transition: border-color .2s;
    }
    #member-search:focus { border-color: var(--primary); }

    .members-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 16px;
    }
    .member-card {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 18px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .member-card .avatar {
      width: 44px; height: 44px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1rem;
      flex-shrink: 0;
    }
    .member-card .member-top {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .member-card .member-name {
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--text);
    }
    .member-card .member-type {
      font-size: 0.75rem;
      color: var(--muted);
    }
    .type-badge {
      display: inline-block;
      font-size: 0.7rem;
      font-weight: 600;
      border-radius: 4px;
      padding: 2px 7px;
    }
    .type-affiliate {
      background: #dbeafe;
      color: #1e40af;
    }
    .type-assc {
      background: #f0fdf4;
      color: #166534;
    }
    .member-details {
      display: flex;
      flex-direction: column;
      gap: 5px;
      font-size: 0.83rem;
      color: var(--muted);
    }
    .member-details .item {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .member-details svg { width: 13px; height: 13px; flex-shrink: 0; }
    .member-details a { color: var(--primary); text-decoration: none; }
    .member-details a:hover { text-decoration: underline; }

    /* ── Company Dropdown ── */
    .company-dropdown {
      position: relative;
      min-width: 220px;
      max-width: 300px;
    }
    .company-dropdown-toggle {
      width: 100%;
      padding: 9px 32px 9px 12px;
      border: 1px solid var(--border);
      border-radius: 8px;
      font-size: 0.9rem;
      background: #fff;
      cursor: pointer;
      text-align: left;
      color: var(--text);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      outline: none;
      transition: border-color .2s, box-shadow .2s;
      appearance: none;
      -webkit-appearance: none;
    }
    .company-dropdown-toggle.placeholder { color: var(--muted); }
    .company-dropdown-toggle:focus,
    .company-dropdown.open .company-dropdown-toggle {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(0,56,101,0.1);
    }
    .company-dropdown-arrow {
      position: absolute;
      right: 10px; top: 50%;
      transform: translateY(-50%);
      pointer-events: none;
      color: var(--muted);
      transition: transform .2s;
    }
    .company-dropdown.open .company-dropdown-arrow {
      transform: translateY(-50%) rotate(180deg);
    }
    .company-dropdown-panel {
      display: none;
      position: absolute;
      top: calc(100% + 4px);
      left: 0; right: 0;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.12);
      z-index: 999;
      overflow: hidden;
    }
    .company-dropdown.open .company-dropdown-panel { display: block; }
    .company-dropdown-search {
      width: 100%;
      padding: 9px 12px;
      border: none;
      border-bottom: 1px solid var(--border);
      font-size: 0.87rem;
      outline: none;
    }
    .company-dropdown-list {
      max-height: 240px;
      overflow-y: auto;
    }
    .company-dropdown-item {
      padding: 9px 14px;
      font-size: 0.87rem;
      cursor: pointer;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      color: var(--text);
    }
    .company-dropdown-item:hover,
    .company-dropdown-item.active { background: #f0f5ff; color: var(--primary); }
    .company-dropdown-item.clear-item {
      color: var(--muted);
      font-style: italic;
      border-bottom: 1px solid var(--border);
    }
    .company-dropdown-item.clear-item:hover { background: #fafafa; color: var(--text); }
    .company-dropdown-empty {
      padding: 12px 14px;
      font-size: 0.85rem;
      color: var(--muted);
      text-align: center;
    }

    /* ── Responsive ── */
    @media (max-width: 600px) {
      header { padding: 12px 20px; }
      #controls { padding: 14px 20px; }
      #view-offices, #view-detail { padding: 20px; }
      .company-dropdown { min-width: 100%; max-width: 100%; }
    }