:root{
    /* Official Heilind Brand Standards v1.0 - Primary palette */
    --hei-blue:#005CB9;         /* PMS 300 C - RGB 0/92/185 */
    --hei-yellow:#FFCD00;       /* PMS 116 C - RGB 255/205/0 */
    /* Support palette (accent only - never dominant) */
    --hei-slate:#1C355E;        /* PMS 534 - RGB 28/53/94 - used as deep navy for headers/depth */
    --hei-neutral:#5B6670;      /* PMS 431 - RGB 91/102/112 - used as muted text */
    /* Derived UI tints */
    --hei-blue-dark:#003F80;    /* darker shade of HEI Blue for gradient depth */
    --hei-blue-light:#E5EEF8;   /* very light HEI Blue tint for backgrounds */
    --hei-yellow-light:#FFF4CC; /* very light HEI Yellow tint */
    /* Semantic functional colors (kept neutral / not brand-dominant) */
    --ink:var(--hei-slate);     /* primary text uses HEI Slate */
    --muted:var(--hei-neutral); /* muted text uses HEI Neutral */
    --line:#E2E6EC; --bg:#F6F8FB; --card:#FFFFFF;
    --red:#C8102E; --green:#1B8E3A; --orange:#E76F51;
  }
  *{box-sizing:border-box}
  /* Heilind Brand: Proxima Nova is preferred but unavailable as a web font here;
     Arial is the official approved substitute per the brand standards. */
  body{font-family:"Proxima Nova","Arial",Helvetica,sans-serif;
       background:var(--bg);color:var(--ink);margin:0;padding:0;font-size:13px;-webkit-font-smoothing:antialiased}
  /* Brand-compliant header: HEI Blue dominant with HEI Yellow accent band */
  header{background:var(--hei-blue);color:#fff;padding:14px 28px 0;
         display:flex;align-items:flex-start;justify-content:space-between;
         box-shadow:0 2px 6px rgba(0,0,0,.08);position:relative;overflow:hidden}
  header:after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
               background:var(--hei-yellow)}  /* HEI Yellow sub-graphic band - mirrors logo */
  header h1{margin:0;font-size:22px;font-weight:800;letter-spacing:.3px;line-height:1.1}
  header .sub{font-size:12px;opacity:.92;margin-top:4px;font-weight:400}
  header .tagline{font-family:"Proxima Nova","Arial",sans-serif;font-size:13px;font-weight:800;
                  letter-spacing:1.5px;color:var(--hei-yellow);margin-top:6px}
  header .tagline em{font-style:italic;font-weight:800}
  header .tagline .iss{font-weight:300;color:#fff;letter-spacing:1.2px}
  header .rev{font-size:11px;opacity:.85;text-align:right;margin-bottom:14px}
  header .brand-mark{display:flex;align-items:center;gap:14px;padding-bottom:14px}
  /* HEI Yellow "H" monogram - acceptable per brand standards for compact placements */
  header .h-monogram{background:var(--hei-yellow);color:var(--hei-blue);width:44px;height:44px;
                     border-radius:4px;display:flex;align-items:center;justify-content:center;
                     font-weight:900;font-size:26px;font-family:"Proxima Nova","Arial",sans-serif;
                     letter-spacing:-.5px}
  /* Linear-element chevron at -25 deg per brand spec - decorative right-side detail */
  header .chevron-decor{position:absolute;right:170px;top:0;bottom:6px;width:90px;pointer-events:none;opacity:.18}
  header .chevron-decor svg{width:100%;height:100%}
  .tabbar{background:var(--card);border-bottom:1px solid var(--line);padding:0 28px;display:flex;gap:0}
  .tabbar button{background:none;border:none;padding:14px 22px;cursor:pointer;font-size:13px;
                 color:var(--muted);font-weight:500;border-bottom:3px solid transparent;letter-spacing:.2px}
  .tabbar button:hover{color:var(--hei-blue)}
  .tabbar button.active{color:var(--hei-blue);border-bottom-color:var(--hei-blue);font-weight:600}
  .global-filters{background:var(--card);border-bottom:1px solid var(--line);padding:10px 28px;
                  display:flex;flex-wrap:wrap;gap:14px;align-items:center;position:sticky;top:0;z-index:20}
  .ctrl-group{display:flex;align-items:center;gap:8px}
  .ctrl-group label{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600}
  .toggle{display:inline-flex;border:1px solid var(--line);border-radius:5px;overflow:hidden}
  .toggle button{padding:6px 11px;border:none;background:#fff;cursor:pointer;font-size:12px;color:var(--muted);font-weight:500}
  .toggle button.active{background:var(--hei-blue);color:#fff}
  .toggle button:not(:last-child){border-right:1px solid var(--line)}
  .btn-primary{background:var(--hei-blue);color:#fff;border:none;padding:7px 14px;border-radius:5px;cursor:pointer;font-size:12px;font-weight:500}
  .btn-primary:hover{background:var(--hei-blue-dark)}
  .btn-link{background:none;border:none;color:var(--hei-blue);cursor:pointer;font-size:12px;text-decoration:underline}
  .filter-chips{padding:6px 28px;background:var(--card);border-bottom:1px solid var(--line);
                display:flex;flex-wrap:wrap;gap:6px;align-items:center;min-height:34px}
  .filter-chips .none{color:var(--muted);font-style:italic;font-size:11px}
  .chip{display:inline-flex;align-items:center;gap:5px;background:var(--hei-blue-light);color:var(--hei-blue);
        padding:3px 8px;border-radius:11px;font-size:11px;font-weight:500}
  .chip .x{cursor:pointer;font-weight:bold;opacity:.6}
  .chip .x:hover{opacity:1}
  .chip .nm{color:var(--muted);font-weight:400}
  .body{padding:18px 28px;max-width:1800px;margin:0 auto}
  .tab-panel{display:none}
  .tab-panel.active{display:block}
  .kpi-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-bottom:14px}
  .kpi{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:10px 12px;
       position:relative;overflow:hidden}
  .kpi:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--hei-blue)}
  .kpi.warn:before{background:var(--hei-yellow)}
  .kpi.bad:before{background:var(--red)}
  .kpi .label{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;font-weight:600}
  .kpi .value{font-size:18px;font-weight:700;margin-top:2px;line-height:1.2}
  .kpi .sub{font-size:10px;color:var(--muted);margin-top:1px}
  .grid{display:grid;gap:12px;margin-bottom:14px}
  .grid.cols-2{grid-template-columns:1fr 1fr}
  .card{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:12px}
  .card h3{margin:0 0 8px 0;font-size:12px;color:var(--ink);font-weight:600;
           padding-bottom:6px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
  .chart-wrap{position:relative;height:240px}
  .chart-wrap.tall{height:320px}
  table{width:100%;border-collapse:collapse;font-size:11px}
  th{text-align:left;font-weight:600;color:var(--muted);padding:6px 5px;border-bottom:2px solid var(--line);
     font-size:10px;text-transform:uppercase;letter-spacing:.3px;background:#fff;position:sticky;top:0;z-index:2}
  td{padding:5px 5px;border-bottom:1px solid var(--line)}
  td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
  tr:hover td{background:#FAFBFD}
  .legend-bar{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted);margin-bottom:10px;flex-wrap:wrap}
  .legend-grad{width:200px;height:10px;background:linear-gradient(to right,#F2F4F7,#E5EEF8,#80B0E5,#005CB9,#003F80,#1C355E);border:1px solid var(--line);border-radius:2px}
  .legend-grad.aged{background:linear-gradient(to right,#F2F4F7,#FFF4E5,#FFD6A6,#FFA866,#FF6B35,#C8102E)}
  .cluster-title{font-size:13px;font-weight:600;color:var(--hei-blue);padding:8px 12px;
                 background:var(--hei-blue-light);border-radius:6px 6px 0 0;border:1px solid var(--line);
                 display:flex;justify-content:space-between;align-items:center}
  .cluster-body{background:var(--card);border:1px solid var(--line);border-top:none;
                border-radius:0 0 6px 6px;padding:10px 14px;margin-bottom:16px}
  .subsection-block{margin-bottom:14px}
  .sub-label{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600;margin-bottom:4px}
  .row-strip{display:flex;align-items:center;margin-bottom:3px;gap:6px}
  .row-tag{flex:0 0 90px;font-size:11px;font-weight:600;color:var(--ink);text-align:right;font-family:Menlo,Consolas,monospace;cursor:pointer}
  .row-tag:hover{color:var(--hei-blue);text-decoration:underline}
  .row-cells{display:flex;gap:1px;flex:1;flex-wrap:nowrap}
  .cell{flex:1;height:22px;min-width:12px;cursor:pointer;border-radius:1px;position:relative;
        transition:transform .08s,outline .08s;border:1px solid transparent}
  .cell:hover{transform:scale(1.18);outline:2px solid var(--hei-blue);z-index:5}
  .cell.empty{background:#F2F4F7;border-color:#E2E6EC}
  .row-total{flex:0 0 95px;font-size:11px;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}
  .section-marker{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-left:96px;margin-bottom:2px;margin-right:101px;font-family:Menlo,Consolas,monospace}
  .modal{position:fixed;inset:0;background:rgba(0,30,60,.55);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
  .modal.show{display:flex}
  .modal-card{background:#fff;border-radius:8px;width:1280px;max-width:97vw;max-height:94vh;overflow:hidden;
              box-shadow:0 20px 60px rgba(0,0,0,.4);display:flex;flex-direction:column}
  .modal-card.narrow{width:820px}
  .modal-card.wide{width:1400px}
  .modal-head{padding:14px 18px;background:var(--hei-blue);color:#fff;display:flex;justify-content:space-between;align-items:center}
  .modal-head h2{margin:0;font-size:16px;font-weight:600}
  .modal-head .meta{font-size:11px;opacity:.85;margin-top:2px}
  .modal-head .x{cursor:pointer;font-size:24px;line-height:1;color:#fff;background:transparent;border:none}
  .modal-body{padding:16px;overflow:auto;flex:1}
  .mc-search{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:5px;font-size:13px;margin-bottom:10px}
  .mc-list{max-height:420px;overflow-y:auto;border:1px solid var(--line);border-radius:5px}
  .mc-item{display:flex;align-items:center;padding:7px 10px;border-bottom:1px solid var(--line);cursor:pointer;gap:10px}
  .mc-item:hover{background:var(--bg)}
  .mc-item.checked{background:var(--hei-blue-light)}
  .mc-code{font-family:Menlo,Consolas,monospace;font-weight:700;font-size:12px;flex:0 0 50px}
  .mc-name{flex:1;font-size:12px}
  .mc-stat{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right;flex:0 0 110px}
  .mc-actions{display:flex;justify-content:space-between;align-items:center;padding-top:10px;border-top:1px solid var(--line);margin-top:10px;gap:10px}
  .elev-aux{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
  .panel{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:10px 12px}
  .panel h3{margin:0 0 6px 0;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600}
  .reco-list{list-style:none;padding:0;margin:0;max-height:520px;overflow-y:auto}
  .reco-list li{padding:6px 8px;border-bottom:1px solid var(--line);font-size:11px;display:flex;align-items:flex-start;gap:8px}
  .reco-tag{flex:0 0 100px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;padding:2px 6px;border-radius:3px;color:#fff;text-align:center}
  .reco-tag.up{background:var(--red)}
  .reco-tag.down{background:var(--hei-yellow);color:var(--ink)}
  .reco-tag.cons{background:var(--hei-blue)}
  .reco-tag.frag{background:var(--orange)}
  .reco-tag.move{background:#7F3F98}
  .reco-tag.lowqty{background:#0EA5E9}
  .reco-tag.cube{background:#1B8E3A}
  .badge{display:inline-block;padding:1px 6px;border-radius:3px;font-size:10px;font-weight:600;letter-spacing:.3px}
  .badge.aged{background:#FFF4E5;color:#8A5300}
  .tooltip{position:fixed;background:rgba(15,26,43,.95);color:#fff;padding:8px 10px;border-radius:4px;
           font-size:11px;pointer-events:none;z-index:99;max-width:280px;line-height:1.5;
           box-shadow:0 4px 12px rgba(0,0,0,.3)}
  .tooltip b{color:var(--hei-yellow)}
  .help{color:var(--muted);font-size:11px;font-style:italic;margin-bottom:10px;line-height:1.5}
  .footer{text-align:center;padding:14px;color:var(--muted);font-size:11px}
  .scope-note{font-size:11px;color:var(--muted);font-style:italic;margin-bottom:10px}
  .div-tabs{display:flex;gap:6px;margin-bottom:14px}
  .div-tab{padding:8px 18px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:500;color:var(--muted);border-radius:5px;font-size:12px}
  .div-tab.active{color:var(--hei-blue);border-color:var(--hei-blue);background:var(--hei-blue-light);font-weight:600}
  /* Item table */
  .item-table-wrap{max-height:380px;overflow:auto;border:1px solid var(--line);border-radius:5px;margin-top:10px}
  .item-table{width:100%;border-collapse:collapse;font-size:11px}
  .item-table th{background:var(--bg);font-size:10px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.3px;padding:6px 6px;border-bottom:1px solid var(--line);position:sticky;top:0;cursor:pointer}
  .item-table th:hover{color:var(--hei-blue)}
  .item-table th .sort-ind{font-size:8px;margin-left:3px;opacity:.6}
  .item-table td{padding:4px 6px;border-bottom:1px solid #F0F2F5;font-family:-apple-system,Segoe UI,Roboto,sans-serif}
  .item-table td.mono{font-family:Menlo,Consolas,monospace;font-size:10.5px}
  .item-table td.num{text-align:right;font-variant-numeric:tabular-nums}
  .item-table td.aged{color:var(--red);font-weight:600}
  .item-filter-bar{display:flex;gap:8px;margin-bottom:6px;font-size:11px;flex-wrap:wrap;align-items:center}
  .item-filter-bar input{padding:5px 8px;border:1px solid var(--line);border-radius:4px;font-size:11px}
  .item-filter-bar .item-count{color:var(--muted);font-size:11px;margin-left:auto}
  /* Reco builder */
  .reco-controls{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;padding:12px;background:var(--bg);border-radius:6px;border:1px solid var(--line)}
  .reco-mode-card{padding:10px;border:1px solid var(--line);border-radius:5px;cursor:pointer;background:#fff;transition:border-color .12s,box-shadow .12s}
  .reco-mode-card.active{border-color:var(--hei-blue);box-shadow:0 0 0 2px rgba(0,61,165,0.1)}
  .reco-mode-card .title{font-weight:600;font-size:12px;color:var(--ink);margin-bottom:3px}
  .reco-mode-card .desc{font-size:10px;color:var(--muted);line-height:1.4}
  .reco-modes-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
  .reco-threshold{display:flex;align-items:center;gap:8px;font-size:11px;margin-bottom:6px}
  .reco-threshold label{flex:0 0 180px;color:var(--muted);font-size:11px;font-weight:500}
  .reco-threshold input[type="number"]{width:80px;padding:4px 6px;border:1px solid var(--line);border-radius:4px;font-size:11px}
  .reco-threshold input[type="range"]{flex:1}
  .reco-threshold .val{flex:0 0 60px;font-weight:600;color:var(--hei-blue);text-align:right;font-size:11px}
  .shelf-check{display:inline-flex;align-items:center;gap:3px;margin-right:4px;font-size:10px;padding:2px 6px;border:1px solid var(--line);border-radius:3px;cursor:pointer;background:#fff;font-family:Menlo,Consolas,monospace}
  .shelf-check.on{background:var(--hei-blue);color:#fff;border-color:var(--hei-blue)}