:root{
  --bg:#080d18;
  --bg-2:#0b1424;
  --surface:rgba(17,26,43,.86);
  --surface-2:#14203a;
  --line:rgba(148,163,184,.16);
  --text:#e8eef8;
  --muted:#93a4bd;
  --accent:#14b8a6;
  --accent-2:#0ea5e9;
  --ok:#34d399;
  --warn:#fbbf24;
  --danger:#f87171;
  --r-sm:14px;
  --r:18px;
  --r-lg:24px;
  --shadow-sm:0 2px 8px rgba(2,6,23,.4);
  --shadow-md:0 18px 44px -18px rgba(2,6,23,.85);
  --shadow-lg:0 32px 70px -28px rgba(2,6,23,.95);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -10%,rgba(20,184,166,.16),transparent 60%),
    radial-gradient(900px 560px at 92% 4%,rgba(14,165,233,.14),transparent 58%),
    linear-gradient(180deg,var(--bg),var(--bg-2));
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:#9fe8dd;background:rgba(20,184,166,.1);
  border:1px solid rgba(20,184,166,.3);border-radius:999px;padding:7px 14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
h1,h2,h3{font-weight:800;letter-spacing:-.02em;margin:0}
.muted{color:var(--muted)}
.mono{font-family:var(--mono)}

/* ---------------- logo con anillos orbitales ---------------- */
.mark{position:relative;display:grid;place-items:center;width:78px;height:78px;margin:0 auto 4px}
.mark .core{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:24px;
  background:linear-gradient(140deg,var(--accent),var(--accent-2));
  box-shadow:0 12px 30px -10px rgba(20,184,166,.8);
}
.orbit{position:absolute;inset:0;border-radius:50%;pointer-events:none}
.orbit-1{border:1px dashed rgba(14,165,233,.55);animation:spin 16s linear infinite}
.orbit-2{border:3px solid transparent;border-top-color:rgba(52,211,153,.85);animation:spin 8s linear infinite reverse}
.mark.sm{width:44px;height:44px;margin:0}
.mark.sm .core{width:32px;height:32px;border-radius:10px;font-size:15px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------------- tarjetas ---------------- */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-md);
  backdrop-filter:blur(10px);
}
.card-pad{padding:26px 26px}

/* ---------------- login ---------------- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:28px 18px}
.auth-card{width:100%;max-width:432px;padding:34px 32px 28px;text-align:center}
.auth-card h1{font-size:27px;margin:18px 0 6px}
.auth-card .sub{color:var(--muted);font-size:14px;margin-bottom:24px}
form{display:grid;gap:14px;text-align:left}
label{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
input,select{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);
  background:rgba(6,11,22,.72);border:1px solid var(--line);color:var(--text);
  font-size:15px;font-family:inherit;transition:border-color .16s,box-shadow .16s;
}
input:focus,select:focus{outline:none;border-color:rgba(20,184,166,.7);box-shadow:0 0 0 4px rgba(20,184,166,.14)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 20px;border:0;border-radius:var(--r-sm);cursor:pointer;
  font-size:15px;font-weight:700;font-family:inherit;color:#04121a;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:0 14px 30px -14px rgba(20,184,166,.9);transition:transform .12s,filter .16s;
}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text);box-shadow:none}
.btn.danger{background:linear-gradient(135deg,#ef4444,#b91c1c);color:#fff}
.btn.sm{padding:8px 13px;font-size:13px}
.alert{border-radius:var(--r-sm);padding:12px 15px;font-size:14px;margin-bottom:16px;display:none;text-align:left;border:1px solid transparent}
.alert.show{display:block}
.alert.err{background:rgba(248,113,113,.1);border-color:rgba(248,113,113,.4);color:#fecaca}
.alert.ok{background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.4);color:#bbf7d0}
.foot{margin-top:22px;font-size:12px;color:var(--muted)}
.foot code{font-family:var(--mono);background:rgba(148,163,184,.12);padding:2px 6px;border-radius:6px}

/* ---------------- dashboard ---------------- */
.topbar{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;
  padding:14px 26px;border-bottom:1px solid var(--line);
  background:rgba(8,13,24,.82);backdrop-filter:blur(14px);
}
.topbar .brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:17px;letter-spacing:-.01em}
.topbar .spacer{flex:1}
.chip{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;font-size:13px;border:1px solid var(--line);background:rgba(148,163,184,.08)}
.chip .role{font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.wrap{max-width:1180px;margin:0 auto;padding:30px 26px 70px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.section-title{display:flex;align-items:center;gap:12px;margin:34px 0 14px}
.section-title h2{font-size:19px}
.section-title .line{flex:1;height:1px;background:var(--line)}
.kpi{padding:20px 22px}
.kpi .lbl{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.kpi .val{font-size:30px;font-weight:800;margin-top:8px;letter-spacing:-.02em}
.kpi .hint{font-size:12px;color:var(--muted);margin-top:4px}
.status-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.status-row:last-child{border-bottom:0}
.pill{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.pill.ok{background:rgba(52,211,153,.14);color:#6ee7b7;border:1px solid rgba(52,211,153,.35)}
.pill.fail{background:rgba(248,113,113,.14);color:#fca5a5;border:1px solid rgba(248,113,113,.35)}
.pill.warn{background:rgba(251,191,36,.14);color:#fcd34d;border:1px solid rgba(251,191,36,.35)}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:10px 12px;border-bottom:1px solid var(--line);font-weight:700}
td{padding:11px 12px;border-bottom:1px solid rgba(148,163,184,.08);vertical-align:top}
tbody tr:hover{background:rgba(148,163,184,.05)}
.tag{font-family:var(--mono);font-size:12px;padding:3px 8px;border-radius:8px;background:rgba(148,163,184,.12)}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
.split{display:grid;gap:18px}
.modal-back{position:fixed;inset:0;background:rgba(2,6,23,.72);backdrop-filter:blur(4px);display:none;place-items:center;z-index:60;padding:20px}
.modal-back.show{display:grid}
.modal{width:100%;max-width:460px;padding:26px}
.secret{font-family:var(--mono);font-size:15px;word-break:break-all;background:rgba(6,11,22,.8);border:1px solid var(--line);border-radius:var(--r-sm);padding:13px;margin:12px 0;text-align:center;letter-spacing:.06em}
.hint-box{font-size:13px;color:var(--muted);background:rgba(148,163,184,.07);border:1px dashed var(--line);border-radius:var(--r-sm);padding:12px 14px}
.spinner{width:16px;height:16px;border:2px solid rgba(4,18,26,.35);border-top-color:#04121a;border-radius:50%;animation:spin .7s linear infinite}
/* ---- consola y tabs (módulo Nodos) ---- */
.console{font-family:var(--mono);font-size:12.5px;line-height:1.6;color:#cfe3ff;background:#050a13;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px;margin:10px 0 0;max-height:380px;overflow:auto;white-space:pre-wrap;word-break:break-word}
.console code{color:var(--accent)}
.btn.tab.active,.btn.active{border-color:rgba(20,184,166,.7);color:var(--accent);background:rgba(20,184,166,.1)}
#nodeCards .kpi .hint{line-height:1.5}
code{font-family:var(--mono);font-size:12.5px;color:#a5f3e4;background:rgba(20,184,166,.08);border-radius:6px;padding:1px 5px}
.center{text-align:center}
@media (max-width:1024px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .topbar{padding:12px 16px;flex-wrap:wrap}
  .wrap{padding:20px 16px 60px}
  .auth-card{padding:28px 22px 24px}
  table{font-size:13px}
}