:root { --bg:#0f1115; --panel:#171a21; --line:#272b34; --txt:#e6e8eb; --muted:#9aa3af;
          --accent:#4f8cff; --crit:#ff5c5c; --high:#ff9f43; --med:#ffd166; --low:#7bd88f; }
  * { box-sizing:border-box; }
  body { margin:0; font:14px/1.5 -apple-system,Segoe UI,Roboto,sans-serif; background:var(--bg); color:var(--txt); }
  header { padding:16px 24px; border-bottom:1px solid var(--line); display:flex; align-items:center; gap:12px; }
  header h1 { font-size:16px; margin:0; font-weight:600; }
  main { padding:24px; max-width:1100px; margin:0 auto; }
  .row { display:flex; gap:12px; flex-wrap:wrap; align-items:center; margin-bottom:16px; }
  select, input, button, textarea { font:inherit; color:var(--txt); background:var(--panel);
          border:1px solid var(--line); border-radius:8px; padding:8px 10px; }
  textarea { resize:vertical; box-sizing:border-box; }
  input[type=text], input[type=password] { min-width:200px; }
  button { background:var(--accent); border-color:var(--accent); color:#fff; cursor:pointer; font-weight:600; }
  button:disabled { opacity:.45; cursor:not-allowed; }
  button.secondary { background:var(--panel); border-color:var(--line); color:var(--txt); font-weight:500; }
  .muted { color:var(--muted); }
  table { width:100%; border-collapse:collapse; background:var(--panel); border-radius:10px; overflow:hidden; }
  th, td { padding:9px 12px; text-align:left; border-bottom:1px solid var(--line); white-space:nowrap; }
  th { color:var(--muted); font-weight:600; font-size:12px; text-transform:uppercase; letter-spacing:.04em; }
  td.num, th.num { text-align:right; font-variant-numeric:tabular-nums; }
  tr:hover { background:#1d212a; }
  .pill { font-size:11px; padding:2px 7px; border-radius:99px; border:1px solid var(--line); }
  .ENABLED { color:var(--low); border-color:#2f5e3f; }
  .PAUSED { color:var(--muted); }
  .REMOVED { color:#6b7280; }
  .bar { position:sticky; bottom:0; margin-top:16px; padding:14px; background:var(--panel);
         border:1px solid var(--line); border-radius:10px; display:flex; gap:12px; align-items:center; }
  .card { background:var(--panel); border:1px solid var(--line); border-radius:10px; padding:16px 18px; margin-bottom:14px; }
  .card h3 { margin:0 0 4px; font-size:15px; }
  .health { font-size:11px; padding:3px 9px; border-radius:99px; font-weight:700; text-transform:uppercase; }
  .healthy { background:#173a26; color:var(--low); }
  .watch   { background:#3a3417; color:var(--med); }
  .at_risk { background:#3a2a17; color:var(--high); }
  .critical{ background:#3a1818; color:var(--crit); }
  .rec { border-left:3px solid var(--line); padding:8px 0 8px 12px; margin:10px 0; }
  .rec.sev-critical { border-color:var(--crit); } .rec.sev-high { border-color:var(--high); }
  .rec.sev-medium { border-color:var(--med); } .rec.sev-low { border-color:var(--low); }
  .rec b { font-size:13.5px; } .rec .meta { font-size:12px; color:var(--muted); }
  .rec .act { font-family:ui-monospace,Menlo,monospace; font-size:12px; color:var(--accent); }
  .apply-row { margin-top:8px; display:flex; gap:8px; align-items:center; flex-wrap:wrap;
               background:#11202e; border:1px solid #2a4a63; border-radius:8px; padding:8px 10px; }
  .apply-row .ctl { font-size:12px; color:var(--txt); display:flex; gap:4px; align-items:center; }
  .apply-row input[type=number] { width:90px; } .apply-row input[type=text] { width:160px; }
  .apply-label { font-weight:700; font-size:11px; color:var(--accent); letter-spacing:.05em; }
  .apply-hint { margin-top:8px; font-size:12px; color:var(--muted); }
  .waste-box { margin-top:12px; border:1px solid #5a3a2a; background:#241813; border-radius:8px; padding:10px 12px; }
  .waste-title { font-weight:700; font-size:13px; color:var(--high); margin-bottom:6px; }
  .waste-box label { display:block; font-size:12px; padding:1px 0; }
  .waste-list { max-height:200px; overflow:auto; margin:4px 0; }
  .copyrow { display:flex; gap:6px; align-items:center; margin:3px 0; }
  .copyrow input[type=text] { flex:1; min-width:200px; }
  .copyrow button { padding:4px 10px; }
  button.apply { background:var(--accent); border-color:var(--accent); color:#fff; padding:6px 14px; font-size:12px; font-weight:600; }
  button.apply:hover { filter:brightness(1.12); }
  .apply-status { font-size:12px; }
  .cost-badge { font-family:ui-monospace,Menlo,monospace; font-size:12px; color:var(--low);
                background:#16241b; border:1px solid #2f5e3f; border-radius:8px; padding:5px 10px; }
  .rec-cost, .req-cost { font-family:ui-monospace,Menlo,monospace; font-size:12px; color:var(--muted); }
  .spinner { display:inline-block; width:14px; height:14px; border:2px solid var(--line);
             border-top-color:var(--accent); border-radius:50%; animation:spin .7s linear infinite; }
  @keyframes spin { to { transform:rotate(360deg); } }
  .hidden { display:none; }
  a { color:var(--accent); }
  #lightbox { position:fixed; inset:0; background:rgba(0,0,0,.85); z-index:9999;
              display:flex; align-items:center; justify-content:center; cursor:zoom-out; }
  #lightbox.hidden { display:none; }
  #lightbox img { max-width:94vw; max-height:94vh; border-radius:8px; box-shadow:0 8px 40px #000; }
  #builderView img { cursor:zoom-in; }
  .pol-box { background:var(--panel); border:1px solid var(--line); border-left:4px solid var(--crit); border-radius:10px; padding:12px 14px; margin-top:10px; }
  .hub-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:18px; max-width:920px; margin:48px auto; }
  .hub-card { background:var(--panel); border:1px solid var(--line); border-radius:14px; padding:28px 22px;
              cursor:pointer; transition:.15s; text-align:center; }
  .hub-card:hover { border-color:var(--accent); transform:translateY(-3px); }
  .hub-card .ico { font-size:38px; } .hub-card h3 { margin:12px 0 6px; font-size:17px; }
  .hub-card p { color:var(--muted); font-size:12.5px; margin:0; }
  @media(max-width:760px){ .hub-grid{grid-template-columns:1fr;} }
  /* CPA Control Center */
  .cpa-kpis { display:flex; gap:14px; flex-wrap:wrap; }
  .cpa-kpi { background:var(--panel); border:1px solid var(--line); border-radius:12px; padding:14px 18px; min-width:120px; }
  .cpa-kpi .n { font-size:26px; font-weight:800; line-height:1.1; }
  .cpa-kpi .l { font-size:11px; color:var(--muted); margin-top:3px; text-transform:uppercase; letter-spacing:.04em; }
  .cpa-secttl { margin:24px 0 10px; font-size:15px; font-weight:700; display:flex; align-items:center; gap:8px; }
  .cpa-secttl .sub { font-size:12px; font-weight:400; color:var(--muted); }
  .cpa-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(340px,1fr)); gap:14px; }
  .cpa-card { background:var(--panel); border:1px solid var(--line); border-left-width:4px; border-radius:12px; padding:14px 16px; display:flex; flex-direction:column; gap:10px; }
  .cpa-card.s-BLEEDING { border-left-color:var(--crit); }
  .cpa-card.s-STARVED { border-left-color:var(--med); }
  .cpa-card.s-HEALTHY { border-left-color:var(--low); }
  .cpa-card.s-other { border-left-color:var(--line); }
  .cpa-card .ttl { font-weight:700; font-size:14px; display:flex; align-items:center; gap:6px; }
  .cpa-card .meta { font-size:11.5px; color:var(--muted); margin-top:1px; }
  .cpa-badge { margin-left:auto; font-size:11px; padding:2px 9px; border-radius:99px; white-space:nowrap; }
  .cpa-badge.crit { background:#3a1818; color:var(--crit); }
  .cpa-badge.ok { background:#16241b; color:var(--low); }
  .cpa-badge.warn { background:#2e2410; color:var(--med); }
  .cpa-stats { display:flex; gap:18px; flex-wrap:wrap; padding:4px 0; }
  .cpa-stat .v { font-size:18px; font-weight:700; }
  .cpa-stat .v.crit { color:var(--crit); } .cpa-stat .v.warn { color:var(--med); } .cpa-stat .v.ok { color:var(--low); }
  .cpa-stat .k { font-size:10.5px; color:var(--muted); text-transform:uppercase; letter-spacing:.03em; }
  .cpa-diag { font-size:12px; color:var(--muted); line-height:1.45; border-top:1px solid var(--line); padding-top:9px; }
  .cpa-act { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
  .cpa-act button.apply { padding:8px 16px; font-size:13px; }
  .cpa-act .note { font-size:11px; color:var(--muted); flex:1; min-width:120px; }
  /* ════════ Polished design system ════════ */
  :root { --bg:#0b0d12; --panel:#14171f; --surface2:#1a1e28; --line:#272d39; --line-soft:#1d222c;
          --txt:#e8eaee; --muted:#8b94a3; --faint:#5b6472;
          --accent:#5b8cff; --accent2:#83a8ff; --accentbg:rgba(91,140,255,.13);
          --ok:#56d093; --okbg:#0f2c20; --warn:#ffcf5c; --warnbg:#2e2710; --crit:#ff6b6b; --critbg:#341a1a;
          --low:#56d093; --med:#ffcf5c; --high:#ff9f43; }
  body { background:radial-gradient(1200px 600px at 80% -10%, #141925 0%, var(--bg) 55%); }
  ::-webkit-scrollbar { width:10px; height:10px; } ::-webkit-scrollbar-thumb { background:#2a313e; border-radius:8px; }
  ::-webkit-scrollbar-track { background:transparent; }
  /* shell */
  .app { display:flex; min-height:100vh; }
  .sidebar { width:218px; flex:0 0 218px; background:linear-gradient(180deg,#11141c,#0c0e13);
             border-right:1px solid var(--line); display:flex; flex-direction:column; padding:14px 12px; position:sticky; top:0; height:100vh; }
  .brand { font-size:15px; font-weight:800; padding:6px 8px 16px; cursor:pointer; display:flex; gap:9px; align-items:center; letter-spacing:-.01em; }
  .snav { display:flex; flex-direction:column; gap:3px; flex:1; overflow:auto; }
  .snav-item { background:transparent; border:none; color:var(--muted); text-align:left; padding:9px 12px;
               border-radius:9px; font-size:13.5px; font-weight:500; cursor:pointer; display:flex; gap:10px; align-items:center; position:relative; }
  .snav-item:hover { background:#191d27; color:var(--txt); }
  .snav-item.active { background:var(--accentbg); color:#cfe0ff; font-weight:700; }
  .snav-item.active::before { content:""; position:absolute; left:-12px; top:9px; bottom:9px; width:3px; border-radius:0 3px 3px 0; background:var(--accent); }
  .snav-item.sub { font-size:12.5px; padding:7px 12px 7px 24px; color:var(--faint); }
  .snav-item.sub:hover { color:var(--txt); }
  .snav-group { font-size:10px; text-transform:uppercase; letter-spacing:.07em; color:#5b6472; padding:16px 12px 5px; font-weight:700; }
  .sidebar-foot { border-top:1px solid var(--line); padding-top:11px; margin-top:8px; display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
  .content { flex:1; min-width:0; display:flex; flex-direction:column; }
  .topbar { padding:0 28px; border-bottom:1px solid var(--line); display:flex; gap:12px; align-items:center; min-height:52px;
            background:rgba(13,15,20,.7); backdrop-filter:blur(8px); position:sticky; top:0; z-index:6; }
  .topbar .tt { font-size:15px; font-weight:700; }
  .content main { padding:24px 28px 60px; max-width:1180px; margin:0; width:100%; }
  .page-head { margin:2px 0 20px; }
  .page-title { font-size:22px; font-weight:800; margin:0; display:flex; align-items:center; gap:10px; letter-spacing:-.02em; }
  .page-sub { color:var(--muted); font-size:13px; margin:5px 0 0; }
  /* inputs + buttons */
  select, input, textarea { border-radius:9px; background:var(--surface2); border-color:var(--line); }
  select:focus, input:focus, textarea:focus { outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accentbg); }
  button { border-radius:9px; }
  button:not(.secondary):not(.ghost):not(.snav-item), button.apply { background:linear-gradient(180deg,var(--accent2),var(--accent)); border:1px solid transparent; box-shadow:0 1px 2px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.12); }
  .snav-item { background:transparent; }
  button.secondary { background:var(--surface2); border:1px solid var(--line); color:var(--txt); }
  button.ghost { background:transparent; border:1px solid var(--line); color:var(--muted); }
  button, .snav-item, .hub-card, .kpi { transition:.14s ease; }
  button:hover:not(:disabled) { filter:brightness(1.1); }
  /* cards & tables */
  .card, .pol-box { background:linear-gradient(180deg,var(--panel),#11141b); box-shadow:0 1px 3px rgba(0,0,0,.25); border-radius:12px; }
  table { border-radius:12px; box-shadow:0 1px 3px rgba(0,0,0,.2); }
  th { background:#10131a; }
  tr:hover { background:#191d27; }
  /* KPI tiles + section headers + badges */
  .ov-kpis { display:grid; grid-template-columns:repeat(auto-fit,minmax(158px,1fr)); gap:12px; margin-bottom:8px; }
  .kpi { background:linear-gradient(180deg,var(--panel),#11141b); border:1px solid var(--line); border-radius:14px; padding:15px 17px; box-shadow:0 1px 3px rgba(0,0,0,.25); }
  .kpi .val { font-size:25px; font-weight:800; letter-spacing:-.02em; line-height:1.1; font-variant-numeric:tabular-nums; }
  .kpi .lbl { font-size:10px; text-transform:uppercase; letter-spacing:.07em; color:var(--muted); margin-top:7px; font-weight:700; }
  .kpi .sub { font-size:11px; color:var(--accent); margin-top:3px; }
  .kpi.crit .val { color:var(--crit); } .kpi.warn .val { color:var(--warn); } .kpi.ok .val { color:var(--ok); }
  .shead { display:flex; align-items:center; justify-content:space-between; gap:12px; margin:26px 0 12px; }
  .shead h2 { font-size:16px; margin:0; font-weight:700; }
  .badge { font-size:10px; font-weight:800; padding:3px 9px; border-radius:99px; text-transform:uppercase; letter-spacing:.03em; white-space:nowrap; }
  .badge.ok { background:var(--okbg); color:var(--ok); } .badge.warn { background:var(--warnbg); color:var(--warn); } .badge.crit { background:var(--critbg); color:var(--crit); }
  .empty { color:var(--muted); padding:22px; text-align:center; border:1px dashed var(--line); border-radius:12px; font-size:13px; }
  .linkish { color:var(--accent); cursor:pointer; font-weight:600; }
  .hub-grid { margin:8px 0 0; }
  .hub-card { background:linear-gradient(180deg,var(--panel),#11141b); border-radius:16px; }
  /* form grid + explore picker */
  .form-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:13px; }
  .field { display:flex; flex-direction:column; gap:5px; min-width:0; }
  .field > span { color:var(--muted); font-size:11px; font-weight:600; }
  .field em { color:var(--faint); font-style:normal; font-weight:400; }
  .field input { width:100%; }
  .exp-picker { margin-top:16px; border:1px solid var(--line); border-radius:12px; padding:12px 14px; background:#10131a; }
  .exp-head { display:flex; justify-content:space-between; align-items:center; gap:12px; flex-wrap:wrap; margin-bottom:10px; }
  .exp-tools { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
  .exp-tools input { width:150px; font-size:12px; padding:6px 9px; }
  .exp-tools button.ghost { padding:5px 11px; font-size:12px; }
  .exp-list { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:1px 12px; max-height:216px; overflow:auto; }
  .exp-list label { display:flex; gap:8px; align-items:center; font-size:12.5px; padding:5px 7px; border-radius:8px; cursor:pointer; }
  .exp-list label:hover { background:#191d27; }
  .exp-list input[type=checkbox] { flex:0 0 auto; }
  .exp-list.grouped { display:block; }
  .exp-group { margin-bottom:6px; }
  .exp-group-h { font-size:11px; font-weight:700; color:var(--accent2); padding:9px 4px 3px; border-top:1px solid var(--line-soft); }
  .exp-group:first-child .exp-group-h { border-top:none; padding-top:2px; }
  .exp-tools select { font-size:12px; padding:6px 9px; }
  @media(max-width:720px){ .form-grid { grid-template-columns:repeat(2,1fr); } }
  @media(max-width:860px){ .sidebar{width:58px;flex-basis:58px;} .lbl,.snav-group{display:none;} .snav-item.sub{padding-left:12px;} }
  /* ════════ UX layer: toasts, modal, sortable tables, health dot ════════ */
  #toasts { position:fixed; right:18px; bottom:18px; z-index:10000; display:flex; flex-direction:column; gap:8px; max-width:440px; }
  .toast { background:linear-gradient(180deg,var(--panel),#11141b); border:1px solid var(--line); border-left:4px solid var(--accent);
           border-radius:12px; padding:11px 14px; font-size:13px; box-shadow:0 8px 28px rgba(0,0,0,.5);
           display:flex; gap:10px; align-items:center; animation:toastIn .18s ease; }
  .toast.ok { border-left-color:var(--ok); } .toast.err { border-left-color:var(--crit); }
  .toast button { padding:3px 10px; font-size:11px; flex:0 0 auto; }
  .toast .x { cursor:pointer; color:var(--faint); padding:0 2px; flex:0 0 auto; }
  .toast .x:hover { color:var(--txt); }
  .toast.out { transition:.25s; opacity:0; transform:translateY(6px); }
  @keyframes toastIn { from { transform:translateY(10px); opacity:0; } }
  #modalWrap { position:fixed; inset:0; background:rgba(0,0,0,.62); z-index:9998; display:flex;
               align-items:center; justify-content:center; backdrop-filter:blur(2px); animation:toastIn .15s ease; }
  .modal { background:linear-gradient(180deg,var(--panel),#11141b); border:1px solid var(--line); border-radius:14px;
           padding:20px 22px; max-width:500px; width:92vw; box-shadow:0 16px 56px rgba(0,0,0,.55); }
  .modal h3 { margin:0 0 10px; font-size:15px; display:flex; gap:8px; align-items:center; }
  .modal p { color:var(--muted); font-size:13px; line-height:1.55; margin:0 0 18px; white-space:pre-line; }
  .modal .btns { display:flex; gap:10px; justify-content:flex-end; }
  button.dangerbtn { background:linear-gradient(180deg,#ff8a8a,#e35555); border:1px solid transparent; }
  thead th { cursor:pointer; user-select:none; }
  thead th.sorted::after { content:" ▾"; color:var(--accent); }
  thead th.sorted[data-sort="asc"]::after { content:" ▴"; color:var(--accent); }
  #healthDot { font-size:10px; margin-left:auto; cursor:default; }
  .act-badge { font-size:10.5px; font-weight:700; padding:2px 8px; border-radius:99px; background:var(--accentbg); color:var(--accent2); white-space:nowrap; }
  .act-badge.prune { background:var(--critbg); color:var(--crit); }
  .act-badge.grow { background:var(--okbg); color:var(--ok); }
  .act-badge.tune { background:var(--warnbg); color:var(--warn); }
  /* ════════ Phase E polish ════════ */
  /* wide tables scroll inside their wrap instead of breaking the layout */
  #historyWrap, #plWrap, #stWrap, #cmWrap, #dpWrap, #tableWrap, #acWrap, #clWrap, #results { overflow-x:auto; }
  /* builder collapsible sections */
  .bsec { margin-bottom:14px; }
  .bsec > summary { cursor:pointer; font-weight:700; font-size:13.5px; padding:9px 4px; color:var(--txt);
                    list-style-position:inside; user-select:none; }
  .bsec > summary:hover { color:var(--accent2); }
  .bsec[open] > summary { color:var(--accent2); }
  /* waste accordions: keep the title row compact */
  .waste-box summary::-webkit-details-marker { display:none; }
  .waste-box summary::before { content:"▸ "; color:var(--muted); }
  .waste-box details[open] summary::before { content:"▾ "; }