/* Extraído de referencia/tablero-dgas-r13-demo.html */
:root{
    --ink:#16232B;          /* texto principal, petróleo-pizarra */
    --ink-soft:#53656A;     /* texto secundario */
    --page:#E9EDEC;         /* fondo página (frío, no crema) */
    --card:#FFFFFF;
    --line:#D2DAD8;         /* hairlines */
    --gnv:#0E6E63;          /* acento estructural: gas natural */
    --gnv-2:#0B564D;
    --flame:#EC9704;        /* acento HÉROE: rendimiento km/litro */
    --flame-soft:#FCEBCB;
    --alert:#C0392B;
    --alert-soft:#F7E2DE;
    --ok:#0E6E63;
    --demo:#8A5A00;         /* etiqueta "ejemplo" */
    --demo-bg:#FBF2DD;
    font-synthesis:none;
  }
  *{box-sizing:border-box}
  html,body{margin:0}
  body{
    background:var(--page);color:var(--ink);
    font-family:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
    font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased;
  }
  .num{font-family:"Archivo","Inter",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
  h1,h2,h3{font-family:"Archivo","Inter",sans-serif;margin:0;letter-spacing:-.015em}

  /* ---- barra superior ---- */
  .topbar{
    display:flex;align-items:center;gap:18px;flex-wrap:wrap;
    padding:14px 22px;background:var(--ink);color:#fff;
  }
  .brand{display:flex;align-items:baseline;gap:10px;margin-right:auto}
  .brand .logo{font-family:"Archivo";font-weight:700;font-size:19px;letter-spacing:.02em}
  .brand .logo b{color:var(--flame)}
  .brand .sub{color:#9db3ad;font-size:12.5px}
  .filters{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
  .filters label{color:#9db3ad;font-size:11.5px;display:block;margin-bottom:3px}
  .field{display:flex;flex-direction:column}
  select{
    background:#1f333c;color:#fff;border:1px solid #2f4a54;border-radius:8px;
    padding:7px 30px 7px 11px;font:inherit;font-size:13px;min-width:150px;
    appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239db3ad'><path d='M2 4l4 4 4-4'/></svg>");
    background-repeat:no-repeat;background-position:right 10px center;cursor:pointer;
  }
  select:focus{outline:2px solid var(--flame);outline-offset:1px}

  /* ---- tabs ---- */
  .tabs{display:flex;gap:2px;padding:0 22px;background:var(--ink);border-top:1px solid #24404a}
  .tab{
    background:none;border:none;color:#9db3ad;font:inherit;font-size:13.5px;font-weight:500;
    padding:12px 16px 14px;cursor:pointer;border-bottom:3px solid transparent;
  }
  .tab:hover{color:#e6efec}
  .tab.active{color:#fff;border-bottom-color:var(--flame)}

  .wrap{max-width:1180px;margin:0 auto;padding:22px}
  .demo-note{
    display:flex;gap:9px;align-items:flex-start;background:var(--demo-bg);color:var(--demo);
    border:1px solid #E7D3A2;border-radius:10px;padding:10px 13px;font-size:12.5px;margin-bottom:20px;
  }
  .demo-note b{color:#6b4600}
  .tag-demo{
    font-family:"Inter";font-size:9.5px;font-weight:600;color:var(--demo);background:var(--demo-bg);
    border:1px solid #E7D3A2;border-radius:5px;padding:1px 5px;vertical-align:middle;margin-left:6px;
  }

  .grid{display:grid;gap:16px}
  .card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
  .card h3{font-size:14px;font-weight:600;color:var(--ink)}
  .card .cap{color:var(--ink-soft);font-size:12px;margin-top:2px}

  /* hero */
  .hero{display:grid;grid-template-columns:230px 1fr;gap:22px;align-items:center}
  .hero .big{font-family:"Archivo";font-weight:700;font-size:60px;line-height:1;color:var(--flame)}
  .hero .unit{font-size:15px;color:var(--ink-soft);font-weight:500;margin-top:2px}
  .hero .delta{font-size:13px;margin-top:10px;font-weight:600}
  .up{color:var(--ok)} .down{color:var(--alert)}

  /* kpis */
  .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
  .kpi{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:15px}
  .kpi .k{font-size:11.5px;color:var(--ink-soft);font-weight:500}
  .kpi .v{font-family:"Archivo";font-weight:700;font-size:27px;margin-top:5px}
  .kpi .u{font-size:12px;color:var(--ink-soft);font-weight:500}

  /* tabla */
  table{width:100%;border-collapse:collapse;font-size:13px}
  th,td{padding:10px 10px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
  th:first-child,td:first-child{text-align:left}
  th{color:var(--ink-soft);font-weight:600;font-size:11.5px;cursor:pointer;user-select:none}
  th:hover{color:var(--gnv)}
  tbody tr:hover{background:#f4f8f6}
  tr.sel{background:var(--flame-soft)!important}
  .unitcell{font-family:"Archivo";font-weight:600}
  .bar-inline{height:7px;border-radius:4px;background:var(--gnv);display:inline-block;vertical-align:middle}

  .legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--ink-soft);margin-top:12px}
  .legend i{width:11px;height:11px;border-radius:3px;display:inline-block;margin-right:5px;vertical-align:-1px}

  /* calidad */
  .q-row{display:grid;grid-template-columns:70px 1fr auto;gap:14px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line)}
  .sev{font-size:10.5px;font-weight:600;padding:3px 8px;border-radius:20px;text-align:center}
  .sev.alta{background:var(--alert-soft);color:var(--alert)}
  .sev.media{background:var(--flame-soft);color:var(--demo)}
  .q-row code{font-family:"Archivo";font-weight:600;color:var(--ink)}
  .q-desc{font-size:12.5px;color:var(--ink-soft)}

  .muted{color:var(--ink-soft)}
  .spark{display:inline-block;vertical-align:middle}
  @media(max-width:760px){
    .hero{grid-template-columns:1fr}
    .kpis{grid-template-columns:repeat(2,1fr)}
    .wrap{padding:16px}
  }

  .chips{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 2px}
  .chip{font-family:"Archivo","Inter",sans-serif;font-size:12px;font-weight:600;padding:4px 10px;border:1px solid var(--line);border-radius:20px;background:#fff;color:var(--ink-soft);cursor:pointer}
  .chip:hover{border-color:var(--gnv);color:var(--gnv)}
  .chip.on{color:#fff}
  .chip.clear{border-style:dashed;color:var(--alert)}