*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
    :root {
      --bg:      #050810;
      --bg2:     #0a1224;
      --surface: rgba(10,18,36,0.92);
      --border:  rgba(255,255,255,0.07);
      --text:    #e2e8f0;
      --muted:   #64748b;
      --accent:  #6366f1;
      --nav-h:   56px;
      --header-h:50px;
    }
    html, body { height:100%; background:var(--bg); color:var(--text);
      font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
      overflow:hidden; }
    #app { display:flex; flex-direction:column; height:100vh; height:100dvh; }
    #header {
      height:var(--header-h);
      background:var(--surface); backdrop-filter:blur(16px);
      border-bottom:1px solid var(--border);
      display:none; align-items:center; justify-content:space-between;
      padding:0 16px; flex-shrink:0; position:relative; z-index:50;
    }
    #header .logo { display:flex; align-items:center; gap:8px; }
    #header .logo-hex { font-size:18px; }
    #header .logo-text { font-size:14px; font-weight:700; letter-spacing:0.06em; }
    #header-right { display:flex; align-items:center; gap:10px; }
    #stats { font-size:11px; color:var(--muted); }
    #install-btn {
      display:none; align-items:center; gap:5px;
      background:rgba(99,102,241,0.15); border:1px solid rgba(99,102,241,0.35);
      color:#a5b4fc; font-size:11px; font-weight:600;
      padding:5px 10px; border-radius:6px; cursor:pointer; transition:background .2s;
    }
    #install-btn:hover { background:rgba(99,102,241,0.25); }
    #install-btn.show { display:flex; }
    #status-dot { width:7px; height:7px; border-radius:50%; background:#ef4444; flex-shrink:0; }
    #status-dot.ok { background:#22c55e; }
    #views { flex:1; overflow:hidden; position:relative; }
    .view { position:absolute; inset:0; display:none; }
    .view.active { display:flex; }
    #view-graph { flex-direction:column; }
    #graph-container { flex:1; position:relative; overflow:hidden; }
    #panel {
      position:absolute; top:0; right:-400px; width:360px; height:100%;
      background:var(--surface); backdrop-filter:blur(20px);
      border-left:1px solid var(--border);
      padding:52px 20px 20px; overflow-y:auto;
      transition:right .32s cubic-bezier(.4,0,.2,1); z-index:20;
    }
    #panel.open { right:0; }
    #panel-close { position:absolute; top:12px; right:14px;
      background:rgba(255,255,255,.07); border:none; color:var(--muted);
      width:28px; height:28px; border-radius:50%; cursor:pointer;
      font-size:14px; display:flex; align-items:center; justify-content:center; }
    #panel-close:hover { background:rgba(255,255,255,.14); }
    #panel-category { font-size:10px; font-weight:700; letter-spacing:.12em;
      text-transform:uppercase; padding:3px 8px; border-radius:4px;
      display:inline-block; margin-bottom:6px; }
    #panel-title { font-size:20px; font-weight:700; margin-bottom:8px; }
    #panel-status { font-size:11px; color:var(--muted); margin-bottom:14px;
      display:flex; gap:8px; align-items:center; }
    #panel-desc { font-size:12px; line-height:1.65; color:#94a3b8; margin-bottom:14px; }
    #panel-wiki-btn:hover { background:rgba(99,102,241,.28) !important; }
    #panel-connections h4, #panel-tags h4 {
      font-size:10px; font-weight:700; letter-spacing:.08em;
      text-transform:uppercase; color:#475569; margin-bottom:8px; }
    #panel-tags { margin-top:14px; }
    .conn-chip { display:inline-block; font-size:11px; padding:3px 9px;
      border-radius:20px; margin:2px; background:rgba(255,255,255,.06);
      color:#cbd5e1; cursor:pointer; border:1px solid rgba(255,255,255,.1);
      transition:background .2s; }
    .conn-chip:hover { background:rgba(255,255,255,.12); }
    .tag-chip { display:inline-block; font-size:10px; padding:2px 7px;
      border-radius:4px; margin:2px; background:rgba(99,102,241,.15);
      color:#818cf8; border:1px solid rgba(99,102,241,.2); }
    #legend { position:absolute; bottom:16px; left:16px;
      background:var(--surface); backdrop-filter:blur(12px);
      border:1px solid var(--border); border-radius:10px;
      padding:12px 14px; z-index:10; }
    #legend h4 { font-size:10px; font-weight:700; letter-spacing:.1em;
      text-transform:uppercase; color:#475569; margin-bottom:6px; }
    .legend-item { display:flex; align-items:center; gap:7px;
      font-size:11px; color:#94a3b8; cursor:pointer;
      transition:color .2s; padding:2px 0; }
    .legend-item:hover { color:var(--text); }
    .legend-dot { width:9px; height:9px; border-radius:50%; flex-shrink:0; }
    #graph-controls { position:absolute; bottom:16px; right:16px;
      display:flex; gap:7px; z-index:10; }
    .ctrl-btn { background:var(--surface); backdrop-filter:blur(12px);
      border:1px solid var(--border); border-radius:7px;
      color:var(--muted); cursor:pointer; font-size:12px;
      padding:7px 12px; transition:color .2s, border-color .2s; }
    .ctrl-btn:hover { color:var(--text); border-color:rgba(255,255,255,.18); }
    #search-wrap { position:absolute; top:12px; left:50%;
      transform:translateX(-50%); z-index:10; }
    #g-search { background:var(--surface); backdrop-filter:blur(12px);
      border:1px solid rgba(255,255,255,.1); border-radius:22px;
      color:var(--text); font-size:12px; outline:none;
      padding:7px 18px; width:220px; transition:border-color .2s, width .3s; }
    #g-search:focus { border-color:rgba(99,102,241,.5); width:280px; }
    #g-search::placeholder { color:#475569; }
    #tooltip { position:fixed; pointer-events:none;
      background:var(--surface); backdrop-filter:blur(8px);
      border:1px solid rgba(255,255,255,.1); border-radius:7px;
      padding:7px 11px; font-size:11px; z-index:80; display:none; }
    #view-wiki { flex-direction:row; overflow:hidden; }
    #wiki-sidebar {
      width:220px; flex-shrink:0;
      background:var(--surface); border-right:1px solid var(--border);
      overflow-y:auto; padding:12px 0;
    }
    #wiki-sidebar h3 { font-size:11px; font-weight:700; letter-spacing:.1em;
      text-transform:uppercase; color:#475569; padding:0 14px 8px; }
    .wiki-cat { margin-bottom:2px; }
    .wiki-cat-title { display:flex; align-items:center; gap:6px;
      font-size:12px; color:#94a3b8; padding:6px 14px; cursor:pointer;
      transition:color .2s; border-radius:4px; user-select:none; }
    .wiki-cat-title:hover { color:var(--text); background:rgba(255,255,255,.03); }
    .wiki-cat-title .arrow { font-size:10px; transition:transform .2s; display:inline-block; }
    .wiki-cat.open .arrow { transform:rotate(90deg); }
    .wiki-files { display:none; }
    .wiki-cat.open .wiki-files { display:block; }
    .wiki-file { font-size:11px; color:#64748b; padding:4px 14px 4px 28px;
      cursor:pointer; transition:color .2s, background .2s;
      white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
    .wiki-file:hover { color:var(--text); background:rgba(255,255,255,.04); }
    .wiki-file.active { color:#818cf8; background:rgba(99,102,241,.08); }
    #wiki-content-wrap { flex:1; overflow:hidden; display:flex; flex-direction:column; }
    #wiki-breadcrumb { font-size:11px; color:var(--muted); padding:10px 20px;
      border-bottom:1px solid var(--border); flex-shrink:0; min-height:36px; }
    #wiki-content-area { flex:1; overflow-y:auto; padding:24px; }
    #wiki-content-area.empty { display:flex; align-items:center; justify-content:center;
      color:var(--muted); font-size:13px; }
    .md-body h1 { font-size:22px; font-weight:700; margin-bottom:14px; color:var(--text); }
    .md-body h2 { font-size:15px; font-weight:700; margin:20px 0 10px;
      color:#a5b4fc; border-bottom:1px solid rgba(99,102,241,.15); padding-bottom:4px; }
    .md-body h3 { font-size:13px; font-weight:700; margin:14px 0 8px; color:#94a3b8; }
    .md-body p { font-size:13px; line-height:1.75; margin-bottom:10px; color:#cbd5e1; }
    .md-body ul, .md-body ol { margin:0 0 10px 18px; font-size:13px; color:#cbd5e1; }
    .md-body li { margin-bottom:4px; line-height:1.7; }
    .md-body code { font-family:'JetBrains Mono',monospace;
      background:rgba(99,102,241,.1); color:#c7d2fe; padding:1px 5px; border-radius:3px; font-size:11px; }
    .md-body pre { background:rgba(0,0,0,.3); border:1px solid var(--border);
      border-radius:8px; padding:14px; overflow-x:auto; margin-bottom:14px; }
    .md-body pre code { background:none; color:#e2e8f0; padding:0; }
    .md-body blockquote { border-left:3px solid var(--accent); padding:4px 12px;
      color:var(--muted); font-style:italic; margin-bottom:10px; }
    .md-body a { color:#818cf8; text-decoration:none; }
    .md-body a:hover { text-decoration:underline; }
    .md-body table { width:100%; border-collapse:collapse; margin-bottom:14px; font-size:12px; }
    .md-body th { background:rgba(99,102,241,.1); color:#a5b4fc; padding:7px 12px; border:1px solid var(--border); }
    .md-body td { padding:7px 12px; border:1px solid var(--border); color:#cbd5e1; }
    .frontmatter { background:rgba(99,102,241,.06); border:1px solid rgba(99,102,241,.15);
      border-radius:6px; padding:10px 14px; margin-bottom:16px;
      font-size:10px; color:#64748b; font-family:monospace; line-height:1.6; }
    #wiki-actions { display:flex; gap:8px; margin-bottom:14px; align-items:center; }
    .wiki-action-btn { font-size:11px; padding:5px 12px; border-radius:5px; cursor:pointer;
      border:1px solid rgba(255,255,255,.1); background:rgba(255,255,255,.05);
      color:var(--text); transition:background .2s; }
    .wiki-action-btn:hover { background:rgba(255,255,255,.1); }
    .wiki-action-btn.danger { border-color:rgba(239,68,68,.3); color:#fca5a5; }
    .wiki-action-btn.danger:hover { background:rgba(239,68,68,.1); }
    #view-ingest { align-items:center; justify-content:center;
      background:var(--bg); }
    #ingest-card { width:100%; max-width:680px; padding:32px;
      background:var(--surface); border:1px solid var(--border); border-radius:16px; }
    #ingest-card h2 { font-size:18px; font-weight:700; margin-bottom:20px; color:var(--text); }
    .form-group { margin-bottom:14px; }
    .form-group label { display:block; font-size:11px; font-weight:700;
      letter-spacing:.08em; text-transform:uppercase; color:var(--muted); margin-bottom:6px; }
    .form-row { display:flex; gap:12px; }
    .form-row .form-group { flex:1; }
    #ingest-card input, #ingest-card select, #ingest-card textarea {
      width:100%; background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.1); border-radius:7px;
      color:var(--text); font-size:13px; padding:9px 12px; outline:none;
      transition:border-color .2s;
    }
    #ingest-card input:focus, #ingest-card select:focus, #ingest-card textarea:focus {
      border-color:rgba(99,102,241,.5);
    }
    #ingest-card textarea { min-height:160px; resize:vertical; font-family:inherit; }
    #ingest-card select option { background:#0a1224; }
    #template-chips { display:flex; flex-wrap:wrap; gap:7px; }
    .tpl-chip { display:inline-flex; align-items:center; font-size:11px;
      padding:4px 10px; border-radius:20px; cursor:pointer;
      border:1px solid rgba(255,255,255,.1); background:rgba(255,255,255,.04);
      color:#94a3b8; transition:all .2s; }
    .tpl-chip:hover, .tpl-chip.active { background:rgba(99,102,241,.15);
      border-color:rgba(99,102,241,.35); color:#a5b4fc; }
    .keywords-preview { display:flex; flex-wrap:wrap; gap:4px; margin-top:6px; }
    .kw-tag { font-size:10px; padding:2px 7px; border-radius:4px;
      background:rgba(99,102,241,.1); color:#818cf8; border:1px solid rgba(99,102,241,.2); }
    #ingest-submit { width:100%; margin-top:6px; padding:11px;
      background:var(--accent); border:none; border-radius:8px;
      color:#fff; font-size:13px; font-weight:700; cursor:pointer;
      transition:background .2s; letter-spacing:.03em; }
    #ingest-submit:hover { background:#4f46e5; }
    #ingest-submit:disabled { background:#1e1e3a; color:var(--muted); cursor:not-allowed; }
    #ingest-msg { min-height:28px; font-size:12px; margin-top:10px; border-radius:5px; padding:0; }
    #ingest-msg.show { padding:7px 12px; }
    #ingest-msg.success { background:rgba(34,197,94,.1); color:#86efac; border:1px solid rgba(34,197,94,.2); }
    #ingest-msg.error { background:rgba(239,68,68,.1); color:#fca5a5; border:1px solid rgba(239,68,68,.2); }
    #ingest-msg.info { background:rgba(99,102,241,.1); color:#a5b4fc; border:1px solid rgba(99,102,241,.2); }
    #ingest-msg.processing { background:rgba(245,158,11,.1); color:#fcd34d; border:1px solid rgba(245,158,11,.2); }
    /* Ingest tabs */
    .ingest-tabs { display:flex; gap:0; border-bottom:1px solid var(--border); margin-bottom:22px; }
    .ingest-tab { flex:1; padding:9px 0; background:none; border:none; border-bottom:2px solid transparent;
      color:var(--muted); font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase;
      cursor:pointer; display:flex; align-items:center; justify-content:center; gap:7px; transition:all .2s; }
    .ingest-tab.active { color:var(--accent); border-bottom-color:var(--accent); }
    .ingest-tab:hover:not(.active) { color:var(--text); }
    .queue-badge { background:var(--accent); color:#fff; font-size:9px; font-weight:800;
      padding:2px 6px; border-radius:10px; min-width:16px; text-align:center; display:none; }
    .queue-badge.show { display:inline-block; }
    /* Queue panel */
    #ingest-queue-panel { max-height:460px; overflow-y:auto; padding-right:2px; }
    #ingest-queue-panel::-webkit-scrollbar { width:4px; }
    #ingest-queue-panel::-webkit-scrollbar-track { background:transparent; }
    #ingest-queue-panel::-webkit-scrollbar-thumb { background:rgba(255,255,255,.1); border-radius:4px; }
    .queue-empty { text-align:center; padding:40px 0; color:var(--muted); font-size:13px; }
    .queue-empty-icon { font-size:36px; margin-bottom:10px; opacity:.4; }
    /* Queue item cards */
    .queue-item { border:1px solid var(--border); border-radius:10px; padding:13px 15px;
      margin-bottom:10px; transition:border-color .2s; }
    .queue-item.s-pending  { border-left:3px solid #64748b; }
    .queue-item.s-processing { border-left:3px solid #f59e0b; background:rgba(245,158,11,.03); }
    .queue-item.s-completed  { border-left:3px solid #22c55e; background:rgba(34,197,94,.03); }
    .queue-item.s-error      { border-left:3px solid #ef4444; background:rgba(239,68,68,.03); }
    .qi-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; }
    .qi-status { display:flex; align-items:center; gap:6px; font-size:11px; font-weight:700;
      text-transform:uppercase; letter-spacing:.07em; }
    .qi-dot { width:7px; height:7px; border-radius:50%; flex-shrink:0; }
    .s-pending   .qi-dot { background:#64748b; }
    .s-processing .qi-dot { background:#f59e0b; box-shadow:0 0 6px #f59e0b; animation:pulse 1.2s ease-in-out infinite; }
    .s-completed  .qi-dot { background:#22c55e; }
    .s-error      .qi-dot { background:#ef4444; }
    .s-pending   .qi-status { color:#64748b; }
    .s-processing .qi-status { color:#fbbf24; }
    .s-completed  .qi-status { color:#4ade80; }
    .s-error      .qi-status { color:#f87171; }
    .qi-timer { font-size:11px; color:var(--muted); font-variant-numeric:tabular-nums; }
    .qi-title { font-size:13px; font-weight:600; color:var(--text); margin-bottom:3px;
      white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
    .qi-meta { font-size:11px; color:#475569; }
    .qi-result { font-size:11px; color:#4ade80; margin-top:4px; }
    .qi-error-msg { font-size:11px; color:#f87171; margin-top:4px; }
    .qi-actions { display:flex; gap:6px; margin-top:10px; }
    .qi-btn { font-size:11px; padding:3px 10px; border-radius:6px; border:1px solid var(--border);
      background:transparent; color:var(--muted); cursor:pointer; transition:all .15s; font-family:inherit; }
    .qi-btn:hover { background:rgba(255,255,255,.07); color:var(--text); }
    .qi-btn.qi-btn-danger:hover { border-color:#ef4444; color:#ef4444; background:rgba(239,68,68,.07); }
    /* Processing progress bar */
    .qi-progress { margin-top:10px; }
    .qi-progress-track { height:3px; background:rgba(255,255,255,.07); border-radius:2px; overflow:hidden; }
    .qi-progress-fill { height:100%; background:#f59e0b; border-radius:2px;
      transition:width 1s linear; animation:shimmer 1.5s infinite; }
    .qi-eta { font-size:10px; color:#94a3b8; margin-top:4px; }
    @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
    @keyframes shimmer { 0%{opacity:.7} 50%{opacity:1} 100%{opacity:.7} }
    /* Nav badge for queue tab */
    .nav-btn { position:relative; }
    .nav-queue-dot { position:absolute; top:4px; right:4px; width:7px; height:7px;
      border-radius:50%; background:#f59e0b; display:none; }
    .nav-queue-dot.show { display:block; }
    nav#nav { height:var(--nav-h); background:var(--surface);
      border-top:1px solid var(--border);
      display:none; align-items:center; justify-content:space-around;
      flex-shrink:0; }
    .nav-btn { display:flex; flex-direction:column; align-items:center; gap:3px;
      background:none; border:none; color:var(--muted); cursor:pointer;
      font-size:10px; font-weight:600; letter-spacing:.06em; text-transform:uppercase;
      padding:8px 20px; border-radius:8px; transition:color .2s; }
    .nav-btn:hover { color:var(--text); }
    .nav-btn.active { color:var(--accent); }
    .nav-icon { font-size:18px; }
    #view-login { align-items:center; justify-content:center; background:var(--bg); }
    #login-card { width:100%; max-width:360px; padding:36px;
      background:var(--surface); border:1px solid var(--border); border-radius:16px;
      display:flex; flex-direction:column; gap:0; }
    #login-card h2 { font-size:22px; font-weight:700; text-align:center; margin-bottom:6px; }
    .subtitle { font-size:13px; color:var(--muted); text-align:center; margin-bottom:24px; }
    .auth-tabs { display:flex; border-bottom:1px solid var(--border); margin-bottom:20px; }
    .auth-tab { flex:1; text-align:center; padding:8px; font-size:13px;
      color:var(--muted); cursor:pointer; border-bottom:2px solid transparent;
      transition:all .2s; }
    .auth-tab.active { color:var(--accent); border-bottom-color:var(--accent); }
    .auth-input { width:100%; margin-bottom:12px; padding:10px 14px;
      background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.1);
      border-radius:7px; color:var(--text); font-size:13px; outline:none; }
    .auth-input:focus { border-color:rgba(99,102,241,.5); }
    .auth-btn { width:100%; padding:11px; background:var(--accent);
      border:none; border-radius:8px; color:#fff; font-size:13px;
      font-weight:700; cursor:pointer; transition:background .2s; }
    .auth-btn:hover { background:#4f46e5; }
    .auth-btn:disabled { background:#1e1e3a; color:var(--muted); cursor:not-allowed; }
    .auth-error { min-height:20px; font-size:12px; color:#fca5a5; margin-top:8px; }
    .auth-footer { font-size:11px; color:var(--muted); text-align:center; margin-top:16px; }
    .auth-divider { display:flex; align-items:center; gap:10px; margin:16px 0; color:var(--muted); font-size:11px; }
    .auth-divider::before, .auth-divider::after { content:''; flex:1; height:1px; background:var(--border); }
    .google-btn { width:100%; padding:10px 14px; background:#fff; color:#3c4043;
      border:1px solid #dadce0; border-radius:8px; font-size:14px; font-weight:500;
      cursor:pointer; display:flex; align-items:center; justify-content:center; gap:10px;
      transition:background .15s, box-shadow .15s; }
    .google-btn:hover { background:#f8f9fa; box-shadow:0 1px 3px rgba(0,0,0,.2); }
    .google-btn:disabled { opacity:.6; cursor:not-allowed; }
    .google-btn svg { flex-shrink:0; }
    .hidden { display:none !important; }
    #edit-modal { display:none; position:fixed; inset:0; background:rgba(0,0,0,.6);
      z-index:200; align-items:center; justify-content:center; }
    #edit-modal.show { display:flex !important; }
    #edit-modal-content { background:var(--bg2); border:1px solid var(--border);
      border-radius:12px; width:90%; max-width:760px; height:80vh;
      display:flex; flex-direction:column; overflow:hidden; }
    #edit-modal-header { padding:16px 20px; border-bottom:1px solid var(--border);
      display:flex; align-items:center; justify-content:space-between; }
    #edit-modal-header h3 { font-size:14px; font-weight:700; }
    #edit-modal-close { background:none; border:none; color:var(--muted);
      font-size:18px; cursor:pointer; padding:4px 8px; }
    #edit-modal-close:hover { color:var(--text); }
    #edit-modal-body { flex:1; overflow-y:auto; padding:16px 20px; }
    #edit-modal-footer { padding:12px 20px; border-top:1px solid var(--border);
      display:flex; justify-content:flex-end; gap:8px; }
    .modal-textarea { width:100%; height:100%; min-height:300px; background:transparent;
      border:1px solid var(--border); border-radius:6px; color:var(--text);
      font-size:13px; font-family:monospace; padding:12px; resize:none; outline:none; }
    .modal-textarea:focus { border-color:rgba(99,102,241,.4); }
    ::-webkit-scrollbar { width:4px; height:4px; }
    ::-webkit-scrollbar-track { background:transparent; }
    ::-webkit-scrollbar-thumb { background:rgba(255,255,255,.1); border-radius:2px; }
    .spin { display:inline-block; width:10px; height:10px;
      border:2px solid rgba(99,102,241,.3); border-top-color:#6366f1;
      border-radius:50%; animation:spin .6s linear infinite; }
    @keyframes spin { to { transform:rotate(360deg); } }
    #processing-indicator {
      display:none; align-items:center; gap:8px;
      font-size:11px; color:#fcd34d; padding:6px 12px;
      background:rgba(245,158,11,.1); border:1px solid rgba(245,158,11,.2);
      border-radius:6px; margin-top:8px;
    }
    #processing-indicator.show { display:flex; }
    /* ─── GROUP MANAGEMENT ─────────────────────────────────────────── */
    #view-groups { align-items:center; justify-content:center; background:var(--bg); }
    #groups-card { width:100%; max-width:520px; padding:32px;
      background:var(--surface); border:1px solid var(--border); border-radius:16px; }
    #groups-card h2 { font-size:20px; font-weight:700; margin-bottom:6px; color:var(--text); }
    .groups-subtitle { font-size:13px; color:var(--muted); margin-bottom:24px; }
    .group-item { display:flex; align-items:center; justify-content:space-between;
      padding:12px 14px; border:1px solid var(--border); border-radius:8px;
      margin-bottom:8px; cursor:pointer; transition:background .2s; }
    .group-item:hover { background:rgba(99,102,241,.08); }
    .group-item.selected { background:rgba(99,102,241,.15); border-color:rgba(99,102,241,.5); }
    .group-info { display:flex; flex-direction:column; gap:3px; flex:1; }
    .group-name { font-size:13px; font-weight:600; color:var(--text); }
    .group-desc { font-size:11px; color:#64748b; }
    .group-actions { display:flex; gap:6px; }
    .group-btn { font-size:11px; padding:4px 10px; border-radius:5px;
      cursor:pointer; border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.05); color:var(--text);
      transition:background .2s; }
    .group-btn:hover { background:rgba(255,255,255,.1); }
    .group-btn.select { background:rgba(99,102,241,.15); border-color:rgba(99,102,241,.3);
      color:#818cf8; }
    .groups-actions { display:flex; gap:8px; margin-top:24px; }
    .brainie-welcome { text-align:center; padding:24px 0 8px; }
    .brainie-welcome-icon { font-size:48px; margin-bottom:12px; }
    .brainie-welcome h3 { font-size:17px; font-weight:700; margin-bottom:6px; }
    .brainie-welcome p { font-size:13px; color:var(--muted); line-height:1.6; }
    .group-item.pick { cursor:pointer; }
    .group-item.pick:hover { background:rgba(99,102,241,.1); border-color:rgba(99,102,241,.4); }
    .group-item.pick:hover .group-pick-hint { color:#818cf8; }
    .group-pick-hint { font-size:11px; color:var(--muted); transition:color .2s; }
    .group-action-btn { flex:1; padding:10px; background:var(--accent);
      border:none; border-radius:8px; color:#fff; font-size:12px;
      font-weight:700; cursor:pointer; transition:background .2s; }
    .group-action-btn:hover { background:#4f46e5; }
    .group-action-btn.secondary { background:rgba(99,102,241,.15);
      border:1px solid rgba(99,102,241,.3); color:#a5b4fc; }
    .group-action-btn.secondary:hover { background:rgba(99,102,241,.25); }
    #group-selector { position:relative; display:none; margin-right:16px; }
    #group-selector.show { display:block; }
    .group-dropdown-btn { display:flex; align-items:center; gap:6px;
      font-size:11px; padding:6px 10px; border:1px solid rgba(99,102,241,.3);
      border-radius:6px; background:rgba(99,102,241,.1); color:#a5b4fc;
      cursor:pointer; transition:all .2s; }
    .group-dropdown-btn:hover { background:rgba(99,102,241,.15); }
    .group-dropdown-menu { position:absolute; top:100%; right:0; margin-top:6px;
      min-width:200px; background:var(--surface); border:1px solid var(--border);
      border-radius:8px; z-index:100; display:none; flex-direction:column; }
    .group-dropdown-menu.open { display:flex; }
    .group-dropdown-item { padding:8px 12px; font-size:11px; color:#cbd5e1;
      cursor:pointer; transition:background .2s; border-bottom:1px solid rgba(255,255,255,.05); }
    .group-dropdown-item:hover { background:rgba(99,102,241,.15); color:var(--text); }
    .group-dropdown-item:last-child { border-bottom:none; }
    .group-dropdown-item.active { background:rgba(99,102,241,.2); color:#818cf8; }
    /* Modal for group creation/management */
    #group-modal { display:none; position:fixed; inset:0; background:rgba(0,0,0,.6);
      z-index:200; align-items:center; justify-content:center; }
    #group-modal.show { display:flex; }
    #group-modal-content { background:var(--bg2); border:1px solid var(--border);
      border-radius:12px; width:90%; max-width:500px; padding:0;
      display:flex; flex-direction:column; }
    .group-modal-header { padding:16px 20px; border-bottom:1px solid var(--border);
      display:flex; align-items:center; justify-content:space-between; }
    .group-modal-header h3 { font-size:14px; font-weight:700; }
    .group-modal-close { background:none; border:none; color:var(--muted);
      font-size:18px; cursor:pointer; padding:4px 8px; }
    .group-modal-close:hover { color:var(--text); }
    .group-modal-body { padding:16px 20px; overflow-y:auto; }
    .group-modal-footer { padding:12px 20px; border-top:1px solid var(--border);
      display:flex; justify-content:flex-end; gap:8px; }
    .group-modal-input { width:100%; margin-bottom:12px; padding:10px 12px;
      background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.1);
      border-radius:6px; color:var(--text); font-size:12px; outline:none; }
    .group-modal-input:focus { border-color:rgba(99,102,241,.5); }
    .modal-cats-section { margin-top:16px; padding-top:14px; border-top:1px solid var(--border); }
    .modal-cats-label { display:block; font-size:11px; font-weight:700; letter-spacing:.08em;
      text-transform:uppercase; color:var(--muted); margin-bottom:10px; }
    .modal-cats-chips { display:flex; flex-wrap:wrap; gap:6px; min-height:24px; margin-bottom:10px; }
    .modal-cat-chip { display:inline-flex; align-items:center; gap:5px; padding:4px 10px;
      border-radius:20px; border:1px solid var(--border); font-size:11px;
      background:rgba(99,102,241,.08); color:#a5b4fc; }
    .modal-cat-chip button { background:none; border:none; color:#64748b; cursor:pointer;
      font-size:13px; line-height:1; padding:0; }
    .modal-cat-chip button:hover { color:#f87171; }
    .modal-cats-add { display:flex; gap:6px; }
    .modal-cats-add input { flex:1; background:rgba(255,255,255,.05); border:1px solid var(--border);
      border-radius:6px; padding:7px 10px; font-size:12px; color:var(--text); font-family:inherit;
      outline:none; }
    .modal-cats-add input:focus { border-color:rgba(99,102,241,.4); }
    .modal-cats-add button { padding:7px 12px; background:rgba(99,102,241,.15);
      border:1px solid rgba(99,102,241,.3); color:#a5b4fc; border-radius:6px;
      font-size:12px; font-weight:600; cursor:pointer; white-space:nowrap; }
    .modal-cats-add button:hover { background:rgba(99,102,241,.25); }

    /* ── Brainies View ──────────────────────────────── */
    #view-brainies { flex-direction:column; overflow-y:auto; }
    #brainies-wrap { max-width:900px; margin:0 auto; padding:24px 20px; width:100%; }
    #brainies-header { display:flex; align-items:center; justify-content:space-between;
      margin-bottom:28px; }
    #brainies-header h2 { font-size:20px; font-weight:700; }
    #create-brain-btn { display:flex; align-items:center; gap:6px;
      background:rgba(99,102,241,.15); border:1px solid rgba(99,102,241,.35);
      color:#a5b4fc; font-size:12px; font-weight:600; padding:7px 14px;
      border-radius:8px; cursor:pointer; transition:background .2s; }
    #create-brain-btn:hover { background:rgba(99,102,241,.25); }
    .brainies-section { margin-bottom:36px; }
    .brainies-section-hdr { display:flex; align-items:center; gap:12px; margin-bottom:16px;
      flex-wrap:wrap; }
    .brainies-section-hdr h3 { font-size:12px; font-weight:700; text-transform:uppercase;
      letter-spacing:.1em; color:var(--muted); flex:1; }
    .brainies-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
      gap:14px; }
    .brainie-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px;
      padding:16px; display:flex; flex-direction:column; gap:10px;
      transition:border-color .2s, transform .15s; }
    .brainie-card:hover { border-color:rgba(99,102,241,.4); transform:translateY(-1px); }
    .brainie-card.active-brain { border-color:var(--accent); background:rgba(99,102,241,.07); }
    .brainie-name { font-size:14px; font-weight:700; display:flex; align-items:center;
      gap:7px; line-height:1.3; }
    .brainie-desc { font-size:12px; color:var(--muted); line-height:1.5; flex:1;
      min-height:32px; }
    .brainie-meta { display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
    .brainie-badge { font-size:10px; font-weight:700; letter-spacing:.06em;
      text-transform:uppercase; padding:2px 7px; border-radius:4px; }
    .brainie-badge.public { background:rgba(34,197,94,.12); color:#4ade80;
      border:1px solid rgba(34,197,94,.25); }
    .brainie-badge.private { background:rgba(100,116,139,.1); color:#64748b;
      border:1px solid rgba(100,116,139,.2); }
    .brainie-stats { font-size:11px; color:#475569; }
    .brainie-owner { font-size:11px; color:#475569; }
    .brainie-card-hdr { display:flex; align-items:flex-start;
      justify-content:space-between; gap:6px; }
    .brainie-icon-btns { display:flex; gap:3px; flex-shrink:0; }
    .brainie-icon-btn { width:26px; height:26px; border-radius:6px;
      border:1px solid var(--border); background:none; color:var(--muted);
      cursor:pointer; font-size:13px; display:flex; align-items:center;
      justify-content:center; transition:all .15s; padding:0; line-height:1; }
    .brainie-icon-btn:hover { border-color:rgba(99,102,241,.4); color:#a5b4fc;
      background:rgba(99,102,241,.07); }
    .brainie-icon-btn.active-btn { background:rgba(99,102,241,.15);
      border-color:rgba(99,102,241,.35); color:#a5b4fc; cursor:default; }
    .brainie-icon-btn.danger:hover { border-color:rgba(239,68,68,.4); color:#f87171;
      background:rgba(239,68,68,.07); }
    .brainie-icon-btn.success { border-color:rgba(34,197,94,.3); color:#4ade80; }
    #brainie-search { background:var(--bg2); border:1px solid var(--border); border-radius:8px;
      padding:6px 12px; font-size:12px; color:var(--text); width:200px;
      transition:border-color .2s; }
    #brainie-search:focus { outline:none; border-color:rgba(99,102,241,.4); }
    .brainies-empty { text-align:center; padding:40px 20px; color:var(--muted); font-size:13px;
      grid-column:1/-1; }

    /* ── Light theme ──────────────────────────────── */
    [data-theme="light"] {
      --bg:      #f1f5f9;
      --bg2:     #ffffff;
      --surface: rgba(255,255,255,0.96);
      --border:  rgba(15,23,42,0.1);
      --text:    #0f172a;
      --muted:   #64748b;
    }
    [data-theme="light"] body { background:var(--bg); color:var(--text); }
    [data-theme="light"] .conn-chip { background:rgba(0,0,0,.06); color:#334155;
      border-color:rgba(0,0,0,.1); }
    [data-theme="light"] .conn-chip:hover { background:rgba(0,0,0,.1); }
    [data-theme="light"] .tag-chip { background:rgba(99,102,241,.1); color:#4f46e5; }
    [data-theme="light"] .wiki-cat-title { color:#475569; }
    [data-theme="light"] .wiki-cat-title:hover { background:rgba(0,0,0,.04); }
    [data-theme="light"] .wiki-file { color:#64748b; }
    [data-theme="light"] .wiki-file:hover { background:rgba(0,0,0,.04); }
    [data-theme="light"] .wiki-file.active { color:#4f46e5; background:rgba(99,102,241,.08); }
    [data-theme="light"] .md-body h1 { color:var(--text); }
    [data-theme="light"] .md-body h2 { color:#4f46e5; border-color:rgba(99,102,241,.2); }
    [data-theme="light"] .md-body h3 { color:#334155; }
    [data-theme="light"] .md-body p,
    [data-theme="light"] .md-body li { color:#334155; }
    [data-theme="light"] .md-body code { background:rgba(99,102,241,.08); color:#4f46e5; }
    [data-theme="light"] .md-body pre { background:rgba(0,0,0,.04); }
    [data-theme="light"] .md-body pre code { color:#0f172a; }
    [data-theme="light"] .md-body td { color:#334155; }
    [data-theme="light"] .frontmatter { background:rgba(99,102,241,.05);
      border-color:rgba(99,102,241,.15); color:#475569; }
    [data-theme="light"] .wiki-action-btn { background:rgba(0,0,0,.04);
      border-color:rgba(0,0,0,.1); color:var(--text); }
    [data-theme="light"] .wiki-action-btn:hover { background:rgba(0,0,0,.08); }
    [data-theme="light"] .ctrl-btn { background:rgba(255,255,255,.9);
      border-color:rgba(0,0,0,.12); color:#475569; }
    [data-theme="light"] .ctrl-btn:hover { color:var(--text); border-color:rgba(0,0,0,.22); }
    [data-theme="light"] #g-search { background:rgba(255,255,255,.9);
      border-color:rgba(0,0,0,.12); }
    [data-theme="light"] #legend { background:rgba(255,255,255,.95); }
    [data-theme="light"] #panel { background:rgba(255,255,255,.96); }
    [data-theme="light"] #tooltip { background:rgba(255,255,255,.96);
      border-color:rgba(0,0,0,.1); color:var(--text); }
    [data-theme="light"] .group-item { border-color:rgba(0,0,0,.08); }
    [data-theme="light"] .group-item:hover { background:rgba(99,102,241,.06); }
    [data-theme="light"] .brainie-card { background:#ffffff; border-color:rgba(0,0,0,.08); }
    [data-theme="light"] .brainie-card:hover { border-color:rgba(99,102,241,.4); }
    [data-theme="light"] .brainie-icon-btn { border-color:rgba(0,0,0,.1); color:#64748b; }
    [data-theme="light"] .brainie-name { color:var(--text); }
    [data-theme="light"] .brainie-desc { color:#64748b; }
    [data-theme="light"] .queue-item { background:#fff; }
    [data-theme="light"] #ingest-card input,
    [data-theme="light"] #ingest-card select,
    [data-theme="light"] #ingest-card textarea {
      background:rgba(0,0,0,.03); border-color:rgba(0,0,0,.1); }
    @media (prefers-color-scheme:light) {
      [data-theme="system"] { --bg:#f1f5f9; --bg2:#ffffff;
        --surface:rgba(255,255,255,0.96); --border:rgba(15,23,42,0.1);
        --text:#0f172a; --muted:#64748b; }
    }

    /* ── Settings gear button ─────────────────────── */
    #settings-btn {
      background:none; border:none; color:var(--muted); cursor:pointer;
      font-size:15px; padding:5px 7px; border-radius:7px; line-height:1;
      transition:color .15s, background .15s; display:flex;
      align-items:center; justify-content:center;
    }
    #settings-btn:hover { color:var(--text); background:rgba(99,102,241,.1); }

    /* ── Settings overlay + panel ─────────────────── */
    #settings-overlay {
      display:none; position:fixed; inset:0;
      background:rgba(0,0,0,.35); backdrop-filter:blur(2px); z-index:199;
    }
    #settings-overlay.show { display:block; }
    #settings-panel {
      position:fixed; top:0; right:-360px; width:320px; height:100%;
      background:var(--bg2); border-left:1px solid var(--border);
      z-index:200; display:flex; flex-direction:column;
      transition:right .3s cubic-bezier(.4,0,.2,1);
      overflow-y:auto; overflow-x:hidden;
    }
    #settings-panel.open { right:0; box-shadow:-8px 0 32px rgba(0,0,0,.25); }

    /* Panel header */
    .sp-header { display:flex; align-items:center; justify-content:space-between;
      padding:16px 18px; border-bottom:1px solid var(--border); flex-shrink:0; }
    .sp-header h2 { font-size:15px; font-weight:700; }
    .sp-close { background:none; border:none; color:var(--muted); cursor:pointer;
      font-size:18px; line-height:1; padding:4px; border-radius:6px;
      transition:color .15s; }
    .sp-close:hover { color:var(--text); }

    /* Sections */
    .sp-section { padding:14px 18px; border-bottom:1px solid var(--border); }
    .sp-section-title { font-size:10px; font-weight:700; letter-spacing:.1em;
      text-transform:uppercase; color:var(--muted); margin-bottom:12px; }

    /* Row layout for settings */
    .sp-row { display:flex; align-items:center; justify-content:space-between;
      padding:8px 0; }
    .sp-label { font-size:12px; color:var(--text); }
    .sp-sub { font-size:11px; color:var(--muted); margin-top:2px; }

    /* Toggle switch */
    .sp-toggle { display:flex; align-items:center; gap:10px; cursor:pointer; width:100%; }
    .sp-toggle input[type=checkbox] { display:none; }
    .sp-track { width:36px; height:20px; border-radius:10px; flex-shrink:0;
      background:rgba(100,116,139,.3); position:relative;
      transition:background .2s; cursor:pointer; }
    .sp-toggle input:checked + .sp-track { background:var(--accent); }
    .sp-thumb { position:absolute; top:2px; left:2px; width:16px; height:16px;
      border-radius:50%; background:#fff; transition:transform .2s;
      box-shadow:0 1px 3px rgba(0,0,0,.3); }
    .sp-toggle input:checked + .sp-track .sp-thumb { transform:translateX(16px); }
    .sp-toggle-label { font-size:12px; color:var(--text); flex:1; }

    /* Theme buttons */
    .sp-theme-group { display:flex; gap:6px; }
    .sp-theme-btn { flex:1; padding:7px 4px; border-radius:8px;
      border:1px solid var(--border); background:none;
      color:var(--muted); font-size:11px; font-weight:600;
      cursor:pointer; transition:all .15s; text-align:center; }
    .sp-theme-btn:hover { border-color:rgba(99,102,241,.4); color:var(--accent); }
    .sp-theme-btn.active { background:rgba(99,102,241,.15);
      border-color:rgba(99,102,241,.5); color:var(--accent); }

    /* Accent swatches */
    .sp-accent-group { display:flex; gap:8px; flex-wrap:wrap; }
    .sp-swatch { width:26px; height:26px; border-radius:50%; cursor:pointer;
      border:2px solid transparent; transition:transform .15s, border-color .15s; }
    .sp-swatch:hover { transform:scale(1.18); }
    .sp-swatch.active { border-color:#fff; box-shadow:0 0 0 2px var(--accent); }

    /* Size buttons */
    .sp-size-group { display:flex; gap:6px; }
    .sp-size-btn { flex:1; padding:6px; border-radius:7px;
      border:1px solid var(--border); background:none;
      color:var(--muted); cursor:pointer; transition:all .15s; }
    .sp-size-btn:hover { border-color:rgba(99,102,241,.4); color:var(--accent); }
    .sp-size-btn.active { background:rgba(99,102,241,.15);
      border-color:rgba(99,102,241,.5); color:var(--accent); }

    /* Default-view buttons + language buttons (share the size-btn look) */
    .sp-view-btn, .sp-lang-btn { padding:7px 4px; border-radius:8px;
      border:1px solid var(--border); background:none; color:var(--muted);
      font-size:12px; cursor:pointer; transition:all .15s; }
    .sp-lang-btn { flex:1; }
    .sp-view-btn:hover, .sp-lang-btn:hover { border-color:rgba(99,102,241,.4); color:var(--accent); }
    .sp-view-btn.active, .sp-lang-btn.active { background:rgba(99,102,241,.15);
      border-color:rgba(99,102,241,.5); color:var(--accent); }

    /* Range sliders (node size, link distance) */
    .sp-val { font-size:11px; color:var(--muted); font-variant-numeric:tabular-nums; }
    .sp-range { width:100%; height:4px; border-radius:3px; appearance:none;
      -webkit-appearance:none; background:var(--border); outline:none; cursor:pointer;
      margin:2px 0 2px; }
    .sp-range::-webkit-slider-thumb { -webkit-appearance:none; appearance:none;
      width:15px; height:15px; border-radius:50%; background:var(--accent);
      cursor:pointer; border:2px solid var(--bg2); }
    .sp-range::-moz-range-thumb { width:15px; height:15px; border-radius:50%;
      background:var(--accent); cursor:pointer; border:2px solid var(--bg2); }

    /* Account inputs + mini buttons */
    .sp-input { flex:1; width:100%; padding:7px 10px; border-radius:7px;
      border:1px solid var(--border); background:var(--bg2); color:var(--text);
      font-size:12px; font-family:inherit; outline:none; transition:border-color .15s; }
    .sp-input:focus { border-color:rgba(99,102,241,.5); }
    .sp-mini-btn { padding:7px 12px; border-radius:7px; border:1px solid rgba(99,102,241,.35);
      background:rgba(99,102,241,.15); color:var(--accent); font-size:12px; font-weight:600;
      cursor:pointer; white-space:nowrap; transition:background .15s; }
    .sp-mini-btn:hover { background:rgba(99,102,241,.25); }
    .sp-mini-btn:disabled { opacity:.5; cursor:default; }

    /* Divider inside section */
    .sp-divider { height:1px; background:var(--border); margin:4px 0; }

    /* Version footer */
    .sp-footer { padding:14px 18px; font-size:10px; color:var(--muted);
      text-align:center; margin-top:auto; }