:root{
  --bg:#0b0f14; --bg2:#111823; --card:#141c28; --card2:#1a2432; --line:#243040;
  --tx:#e8eef6; --tx2:#93a3b8; --tx3:#64748b;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444; --info:#38bdf8; --acc:#6366f1;
  --crit:#ef4444; --alta:#f59e0b; --media:#38bdf8; --info2:#64748b;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--tx);font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.layout{display:flex;min-height:100vh}

/* ---- sidebar ---- */
.side{width:232px;background:var(--bg2);border-right:1px solid var(--line);padding:18px 0;position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0}
.marca{padding:0 20px 18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.marca b{display:block;font-size:16px;letter-spacing:-.02em}
.marca span{font-size:11px;color:var(--tx3);letter-spacing:.08em;text-transform:uppercase}
.nav a{display:flex;align-items:center;gap:10px;padding:9px 20px;color:var(--tx2);font-size:13.5px;border-left:2px solid transparent}
.nav a:hover{background:var(--card);color:var(--tx)}
.nav a.on{background:var(--card);color:var(--tx);border-left-color:var(--acc)}
.nav .sep{padding:14px 20px 6px;font-size:10.5px;color:var(--tx3);letter-spacing:.1em;text-transform:uppercase}
.nav .pill{margin-left:auto;background:var(--bad);color:#fff;font-size:10px;font-weight:700;padding:1px 6px;border-radius:9px}

/* ---- main ---- */
.main{flex:1;min-width:0;padding:20px 26px 60px}
.top{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;margin-bottom:18px}
h1{font-size:21px;font-weight:650;letter-spacing:-.02em}
h2{font-size:15px;font-weight:600;margin:22px 0 10px;color:var(--tx)}
.sub{font-size:12.5px;color:var(--tx2)}
.barra{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
input,select,textarea,button{font:inherit;background:var(--card);color:var(--tx);border:1px solid var(--line);border-radius:7px;padding:7px 10px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--acc)}
button,.btn{cursor:pointer;background:var(--acc);border-color:var(--acc);color:#fff;font-weight:500}
button:hover,.btn:hover{filter:brightness(1.12)}
.btn.gh{background:transparent;border-color:var(--line);color:var(--tx2)}

/* ---- estado de datos ---- */
.estado{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--tx2);background:var(--card);border:1px solid var(--line);padding:6px 12px;border-radius:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);flex-shrink:0}
.dot.mal{background:var(--bad)}
.aviso{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.35);color:#fca5a5;padding:11px 14px;border-radius:9px;margin-bottom:16px;font-size:13px}
.nota{background:rgba(56,189,248,.07);border:1px solid rgba(56,189,248,.25);color:#bae6fd;padding:11px 14px;border-radius:9px;margin:14px 0;font-size:12.5px;line-height:1.6}

/* ---- kpis ---- */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(178px,1fr));gap:12px;margin-bottom:8px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:14px 16px}
.kpi .et{font-size:11px;color:var(--tx3);letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px}
.kpi .v{font-size:22px;font-weight:660;letter-spacing:-.03em}
.kpi .d{font-size:11.5px;margin-top:4px;color:var(--tx2)}
.up{color:var(--ok)}.down{color:var(--bad)}

/* ---- cards / grid ---- */
.grid{display:grid;gap:14px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:2fr 1fr}
.card{background:var(--card);border:1px solid var(--line);border-radius:11px;padding:16px}
.card h3{font-size:13px;font-weight:600;margin-bottom:12px;color:var(--tx)}
.chart{width:100%;height:300px}
.chart.sm{height:230px}

/* ---- tablas ---- */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:13px}
th{background:var(--bg2);color:var(--tx3);font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;text-align:left;padding:9px 12px;position:sticky;top:0;white-space:nowrap}
td{padding:8px 12px;border-top:1px solid var(--line);white-space:nowrap}
tbody tr:hover{background:var(--card2)}
.r{text-align:right}
td.w{white-space:normal;min-width:220px;max-width:420px}

/* ---- badges ---- */
.b{display:inline-block;padding:2px 8px;border-radius:20px;font-size:10.5px;font-weight:650;letter-spacing:.03em}
.b.CRITICA{background:rgba(239,68,68,.16);color:#fca5a5}
.b.ALTA{background:rgba(245,158,11,.16);color:#fcd34d}
.b.MEDIA{background:rgba(56,189,248,.14);color:#7dd3fc}
.b.INFORMATIVA{background:rgba(100,116,139,.2);color:#cbd5e1}
.b.A{background:rgba(34,197,94,.16);color:#86efac}
.b.B{background:rgba(245,158,11,.14);color:#fcd34d}
.b.C{background:rgba(100,116,139,.2);color:#cbd5e1}
.b.ok{background:rgba(34,197,94,.16);color:#86efac}
.b.aviso{background:rgba(245,158,11,.16);color:#fcd34d}
.b.critico{background:rgba(239,68,68,.16);color:#fca5a5}
.b.Nueva{background:rgba(99,102,241,.18);color:#a5b4fc}
.b.Revisando{background:rgba(245,158,11,.16);color:#fcd34d}
.b.Gestionada{background:rgba(34,197,94,.16);color:#86efac}
.b.Descartada{background:rgba(100,116,139,.2);color:#cbd5e1}

/* ---- alertas ---- */
.alerta{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--info2);border-radius:10px;padding:14px 16px;margin-bottom:10px}
.alerta.CRITICA{border-left-color:var(--crit)}
.alerta.ALTA{border-left-color:var(--alta)}
.alerta.MEDIA{border-left-color:var(--media)}
.alerta .h{display:flex;gap:10px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}
.alerta .t{font-weight:600;font-size:14px}
.alerta .imp{font-size:15px;font-weight:680;letter-spacing:-.02em;white-space:nowrap}
.alerta .de{color:var(--tx2);font-size:12.5px;margin-top:6px;line-height:1.6}
.alerta .re{color:#bae6fd;font-size:12.5px;margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);line-height:1.6}
.alerta form{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.alerta form input[type=text]{flex:1;min-width:180px}

/* ---- login ---- */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.lbox{width:100%;max-width:370px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px}
.lbox h1{font-size:20px;margin-bottom:4px}
.lbox p.s{color:var(--tx3);font-size:12px;margin-bottom:22px;letter-spacing:.06em;text-transform:uppercase}
.lbox label{display:block;font-size:12px;color:var(--tx2);margin:12px 0 5px}
.lbox input{width:100%}
.lbox button{width:100%;margin-top:20px;padding:10px}
.err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);color:#fca5a5;padding:9px 12px;border-radius:8px;font-size:12.5px;margin-top:14px}

@media(max-width:900px){
  .layout{flex-direction:column}
  .side{width:100%;height:auto;position:static}
  .nav{display:flex;flex-wrap:wrap}
  .nav a{border-left:none;border-bottom:2px solid transparent;padding:8px 13px}
  .nav a.on{border-left:none;border-bottom-color:var(--acc)}
  .nav .sep{display:none}
  .main{padding:16px 14px 40px}
  .g2,.g3{grid-template-columns:1fr}
}