/* ── MANDATORY DISCLOSURE PAGE ── */
    .main-content {
      padding-top: 0 !important;
      margin-top: 0 !important;
    }

    :root {
      --navy:   #0c2340;
      --gold:   #b8860b;
      --gold-lt:#f5e9c8;
      --bg:     #f8f6f1;
      --white:  #ffffff;
      --text:   #1a1a2e;
      --muted:  #5a5a72;
      --border: #d8d0bc;
      --active-bg: #0c2340;
      --active-txt: #f5e9c8;
      --radius: 8px;
    }

    /* ── PAGE HEADER ── */
    .page-header {
      background: linear-gradient(rgba(12, 35, 64, 0.95), rgba(12, 35, 64, 0.98)), url('https://www.transparenttextures.com/patterns/carbon-fibre.png');
      padding: 3rem 2rem;
      text-align: center;
      border-bottom: 4px solid var(--gold);
      margin-top: 0 !important;
    }
    .page-header .breadcrumb {
      font-size: 11px;
      color: var(--gold);
      letter-spacing: 0.15em;
      text-transform: uppercase;
      margin-bottom: 0.75rem;
      font-weight: 600;
    }
    .page-header h1 {
      font-family: 'Playfair Display', serif;
      font-size: clamp(2rem, 4vw, 3rem);
      color: var(--gold-lt);
      font-weight: 600;
      line-height: 1.2;
      text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    }
    .page-header p {
      color: #94a3b8;
      font-size: 14px;
      margin-top: 0.75rem;
      max-width: 600px;
      margin-inline: auto;
    }

    /* ── INSTITUTION INFO STRIP ── */
    .info-strip {
      background: linear-gradient(135deg, #ffffff 0%, #f8f6f1 100%);
      border-bottom: 2px solid var(--border);
      padding: 1.25rem 2rem;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 1.5rem;
      box-shadow: inset 0 -2px 10px rgba(0,0,0,0.02);
    }
    .info-strip .item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 0.5rem;
      border-right: 1px solid rgba(0,0,0,0.05);
    }
    .info-strip .item:last-child { border-right: none; }
    .info-strip .item-icon {
      font-size: 20px;
      color: var(--gold);
      background: var(--gold-lt);
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
    }
    .info-strip .item-content {
      display: flex;
      flex-direction: column;
    }
    .info-strip .item .label {
      font-size: 9px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--muted);
      margin-bottom: 2px;
    }
    .info-strip .item .val {
      font-size: 13px;
      font-weight: 600;
      color: var(--navy);
    }

    /* ── MAIN LAYOUT ── */
    .layout {
      display: grid;
      grid-template-columns: 320px 1fr;
      gap: 0;
      height: calc(100vh - 240px);
      min-height: 650px;
    }

    /* ── SIDEBAR ── */
    .sidebar {
      background: #fafafa;
      border-right: 1px solid var(--border);
      overflow-y: auto;
      padding: 1.5rem 1.25rem;
    }
    .sidebar-title {
      font-size: 11px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.15em;
      color: var(--navy);
      padding-bottom: 1rem;
      border-bottom: 1px solid var(--border);
      margin-bottom: 1.5rem;
    }
    .doc-grid {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .doc-btn {
      display: flex !important;
      align-items: center;
      gap: 15px;
      padding: 18px 20px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: var(--white);
      cursor: pointer;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
      width: 100%;
      text-align: left;
    }
    .doc-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 12px rgba(0,0,0,0.06);
      border-color: var(--gold);
    }
    .doc-btn.active {
      background: var(--navy) !important;
      border-color: var(--navy);
      color: var(--white) !important;
    }
    .doc-btn .doc-icon {
      font-size: 24px;
      color: var(--navy);
      transition: all 0.3s ease;
      width: 40px;
      text-align: center;
    }
    .doc-btn:hover .doc-icon {
      transform: scale(1.1);
      color: var(--gold);
    }
    .doc-btn.active .doc-icon {
      color: var(--gold) !important;
    }
    .doc-label {
      font-size: 14px;
      font-weight: 600;
      line-height: 1.3;
    }
    .doc-badge {
      display: inline-block;
      margin-top: 4px;
      font-size: 10px;
      padding: 2px 8px;
      border-radius: 6px;
      background: var(--gold-lt);
      color: var(--gold);
      font-weight: 700;
    }
    .doc-btn.active .doc-badge {
      background: rgba(255,255,255,0.1);
      color: var(--gold-lt) !important;
    }

    /* ── RIGHT VIEWER ── */
    .viewer-panel {
      display: flex;
      flex-direction: column;
      background: #e8e4db;
      overflow: hidden;
    }
    .viewer-topbar {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      padding: 0.75rem 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-shrink: 0;
    }
    .viewer-topbar .doc-name {
      font-family: 'Playfair Display', serif;
      font-size: 15px;
      font-weight: 500;
      color: var(--navy);
    }
    .viewer-topbar .doc-meta {
      font-size: 11px;
      color: var(--muted);
    }
    .topbar-actions {
      display: flex;
      gap: 8px;
      align-items: center;
    }
    .btn-sm-disclosure {
      font-size: 12px;
      font-weight: 500;
      padding: 5px 14px;
      border-radius: 6px;
      border: 1px solid var(--border);
      background: var(--white);
      color: var(--text);
      cursor: pointer;
      text-decoration: none;
      transition: background 0.15s;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .btn-sm-disclosure:hover { background: var(--bg); }
    .btn-sm-disclosure.primary {
      background: var(--navy);
      color: #fff;
      border-color: var(--navy);
    }
    .btn-sm-disclosure.primary:hover { background: #16305a; }

    .viewer-body {
      flex: 1;
      overflow: hidden;
      position: relative;
    }
    .viewer-body iframe {
      width: 100%;
      height: 100%;
      border: none !important;
      display: block !important;
    }

    .compliance-note {
      background: #fff8e6;
      border-top: 1px solid #ffd97d;
      padding: 0.6rem 1.5rem;
      font-size: 11px;
      color: #7a5c00;
      text-align: center;
      flex-shrink: 0;
    }

    @media (max-width: 768px) {
      .layout {
        grid-template-columns: 1fr;
        height: auto;
      }
      .page-header {
        padding: 2rem 1rem;
      }
      .info-strip {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1rem;
      }
      .info-strip .item {
        border-right: none;
      }
      .sidebar {
        border-right: none;
        border-bottom: 2px solid var(--border);
        max-height: 350px;
      }
      .viewer-body {
        height: 600px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
      }
      .viewer-body iframe {
        min-height: 1000px;
      }
      .doc-grid { 
        display: grid;
        grid-template-columns: 1fr; 
      }
    }