:root{
  --bg:#0b1120; --bg2:#111a2e; --card:#151f38; --card2:#1b2745;
  --line:#24334f; --line2:#31446b;
  --tx:#e8eefc; --tx2:#9fb0d0; --tx3:#6b7d9f;
  --pri:#2f7dff; --pri2:#1e5fd0;
  --ok:#22c55e; --marg:#eab308; --crit:#f97316; --err:#ef4444; --dead:#dc2626;
  --shadow:0 8px 28px rgba(0,0,0,.45);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--tx);
  -webkit-font-smoothing:antialiased;line-height:1.5}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--pri);text-decoration:none}
.hidden{display:none!important}

/* ---------------- login ---------------- */
#login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(1000px 500px at 50% -10%,#1b2c52 0%,var(--bg) 60%)}
.login-card{width:100%;max-width:390px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:34px 30px;box-shadow:var(--shadow)}
.login-card h1{font-size:23px;letter-spacing:-.4px;margin-bottom:4px}
.login-card .sub{color:var(--tx2);font-size:13.5px;margin-bottom:24px}
.logo{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--pri),#7c3aed);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}

label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.7px;color:var(--tx2);margin:14px 0 6px;font-weight:600}
input,select,textarea{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:9px;
  padding:11px 13px;font-size:14.5px;outline:none;transition:border-color .15s}
input:focus,select:focus,textarea:focus{border-color:var(--pri)}
textarea{resize:vertical;min-height:120px;font-family:ui-monospace,Menlo,monospace;font-size:12.5px}

.btn{background:var(--pri);border:none;border-radius:9px;padding:11px 18px;font-size:14.5px;font-weight:600;
  cursor:pointer;transition:background .15s;color:#fff}
.btn:hover{background:var(--pri2)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.full{width:100%;margin-top:22px}
.btn.ghost{background:transparent;border:1px solid var(--line2);color:var(--tx2)}
.btn.ghost:hover{background:var(--card2);color:var(--tx)}
.btn.sm{padding:7px 13px;font-size:13px}
.btn.danger{background:var(--err)} .btn.danger:hover{background:#c62828}

.msg{margin-top:14px;padding:10px 13px;border-radius:8px;font-size:13.5px}
.msg.err{background:rgba(239,68,68,.13);border:1px solid rgba(239,68,68,.4);color:#fca5a5}
.msg.ok{background:rgba(34,197,94,.13);border:1px solid rgba(34,197,94,.4);color:#86efac}

/* ---------------- shell ---------------- */
header{background:var(--card);border-bottom:1px solid var(--line);padding:0 22px;
  display:flex;align-items:center;gap:16px;height:60px;position:sticky;top:0;z-index:50}
header .brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.3px;font-size:16px}
header .brand .ic{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--pri),#7c3aed);
  display:flex;align-items:center;justify-content:center;font-size:16px}
nav{display:flex;gap:4px;margin-left:18px}
nav button{background:none;border:none;color:var(--tx2);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500}
nav button:hover{background:var(--card2);color:var(--tx)}
nav button.on{background:var(--pri);color:#fff}
header .right{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--tx2)}

main{padding:24px;max-width:1400px;margin:0 auto}
.page-h{display:flex;align-items:center;gap:14px;margin-bottom:20px;flex-wrap:wrap}
.page-h h2{font-size:22px;letter-spacing:-.4px}
.page-h .sp{margin-left:auto}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.stat .n{font-size:27px;font-weight:800;letter-spacing:-1px}
.stat .l{font-size:12px;text-transform:uppercase;letter-spacing:.7px;color:var(--tx3);margin-top:2px}

.card{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:20px;margin-bottom:18px}
.card h3{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--tx2);margin-bottom:14px;font-weight:700}

table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:var(--tx3);
  padding:9px 10px;border-bottom:1px solid var(--line)}
td{padding:11px 10px;border-bottom:1px solid var(--line)}
tbody tr{cursor:pointer}
tbody tr:hover{background:var(--card2)}
tbody tr:last-child td{border-bottom:none}

.tag{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11.5px;font-weight:700;letter-spacing:.3px}
.tag.ok{background:rgba(34,197,94,.16);color:#4ade80}
.tag.marginal{background:rgba(234,179,8,.16);color:#facc15}
.tag.falla{background:rgba(239,68,68,.16);color:#f87171}
.tag.n{background:var(--card2);color:var(--tx2)}

/* ---------------- chip grid ---------------- */
.chain-box{background:var(--card);border:1px solid var(--line);border-radius:13px;padding:20px;margin-bottom:18px}
.chain-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.chain-head h3{font-size:16px;text-transform:none;letter-spacing:-.2px;color:var(--tx);margin:0}
.chain-head .meta{font-size:13px;color:var(--tx2)}

.chip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(46px,1fr));gap:6px;margin-bottom:16px}
.chip{aspect-ratio:1;border-radius:7px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;cursor:pointer;border:1.5px solid transparent;transition:transform .1s,box-shadow .1s;
  background:rgba(34,197,94,.14);color:#4ade80;border-color:rgba(34,197,94,.3)}
.chip:hover{transform:translateY(-2px);box-shadow:0 4px 14px rgba(0,0,0,.4);z-index:2}
.chip.marginal{background:rgba(234,179,8,.18);color:#facc15;border-color:rgba(234,179,8,.45)}
.chip.critical{background:rgba(249,115,22,.2);color:#fb923c;border-color:rgba(249,115,22,.5)}
.chip.error{background:rgba(239,68,68,.22);color:#f87171;border-color:rgba(239,68,68,.55)}
.chip.dead{background:rgba(220,38,38,.32);color:#fca5a5;border-color:var(--dead);
  box-shadow:0 0 0 1px rgba(220,38,38,.35) inset}
.chip .st{font-size:8.5px;font-weight:600;opacity:.85;margin-top:1px;letter-spacing:.2px}

.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--tx2);
  padding-top:14px;border-top:1px solid var(--line)}
.legend span{display:flex;align-items:center;gap:6px}
.dot{width:11px;height:11px;border-radius:3px;display:inline-block}

.notes{margin-top:16px;display:flex;flex-direction:column;gap:9px}
.note{background:var(--bg2);border-left:3px solid var(--pri);border-radius:0 8px 8px 0;padding:11px 14px;font-size:13.5px;color:var(--tx2)}
.note.warn{border-left-color:var(--marg)}
.note.bad{border-left-color:var(--err)}

/* ---------------- modal ---------------- */
.overlay{position:fixed;inset:0;background:rgba(3,7,18,.78);display:flex;align-items:center;justify-content:center;
  padding:20px;z-index:100;backdrop-filter:blur(3px)}
.modal{background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:24px;
  width:100%;max-width:520px;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow)}
.modal.wide{max-width:760px}
.modal h3{font-size:18px;margin-bottom:6px;text-transform:none;letter-spacing:-.3px;color:var(--tx)}
.modal .sub{color:var(--tx2);font-size:13.5px;margin-bottom:16px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}

.kv{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;font-size:14px;margin-bottom:6px}
.kv .k{color:var(--tx3);font-size:12.5px}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:12.5px}
.empty{text-align:center;padding:48px 20px;color:var(--tx3)}
.empty .ic{font-size:40px;margin-bottom:12px;opacity:.5}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1;min-width:150px}
@media(max-width:640px){
  nav{margin-left:0;overflow-x:auto} header{padding:0 12px;gap:8px} main{padding:14px}
  header .right span{display:none}
}

/* ---------------- aviso de actualizacion ---------------- */
#updateBar{background:linear-gradient(90deg,#1d4ed8,#7c3aed);padding:11px 22px;display:flex;
  align-items:center;gap:14px;font-size:14px;flex-wrap:wrap}
#updateBar b{font-weight:700}
#updateBar .notas{color:rgba(255,255,255,.85);font-size:13px}
#updateBar .sp{margin-left:auto}
#updateBar a.dl{background:#fff;color:#1d4ed8;padding:6px 14px;border-radius:7px;font-weight:700;font-size:13.5px}
#updateBar button.x{background:none;border:none;color:rgba(255,255,255,.7);cursor:pointer;font-size:17px;padding:0 4px}