/* ===========================================================================
   FaultMon — control-room dark theme
   Deep navy-slate, functional status palette, phosphor-teal for live elements.
   Numbers are tabular so they don't jitter on refresh. Signature = oscilloscope
   latency traces + a live system pulse.
   =========================================================================== */
:root{
  --bg:#0a0e17; --bg-2:#0c111c;
  --panel:#111726; --panel-2:#0e1420; --elev:#161d2e;
  --border:#1f2738; --border-soft:#18202f; --line:#222c40;
  --text:#e8ecf4; --muted:#8591a8; --faint:#586379;
  --accent:#45d0c8; --accent-2:#2bb6 ; --accent-dim:#1d6b67;
  --up:#3ddc97; --warn:#f5b65a; --crit:#ff5c6c; --unknown:#5b6680;
  /* severities */
  --sev-critical:#ff5c6c; --sev-major:#ff8f4d; --sev-minor:#f5b65a;
  --sev-warning:#ffd166; --sev-cleared:#3ddc97; --sev-indeterminate:#5b6680;
  --radius:14px; --radius-sm:10px;
  --shadow:0 1px 0 rgba(255,255,255,.03) inset, 0 8px 30px -12px rgba(0,0,0,.6);
  --mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(1200px 600px at 78% -10%, rgba(69,208,200,.06), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(80,110,200,.05), transparent 55%),
    var(--bg);
  color:var(--text); font-family:var(--sans); font-size:14px; line-height:1.5;
  -webkit-font-smoothing:antialiased; min-height:100vh;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
.tnum{font-variant-numeric:tabular-nums; font-feature-settings:"tnum" 1}

/* ---- app shell: slim left rail + main ---- */
.app{display:grid; grid-template-columns:230px 1fr; min-height:100vh}
.rail{
  position:sticky; top:0; height:100vh; border-right:1px solid var(--border);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  display:flex; flex-direction:column; gap:4px; padding:18px 14px;
}
.brand{display:flex; align-items:center; gap:11px; padding:6px 8px 18px}
.brand .pulse{width:30px; height:18px; flex:0 0 auto}
.brand b{font-size:16px; letter-spacing:.4px; font-weight:650}
.brand small{display:block; color:var(--faint); font-size:10.5px; letter-spacing:1.5px; text-transform:uppercase; margin-top:1px}
.nav{display:flex; flex-direction:column; gap:2px; margin-top:6px}
.nav a{
  display:flex; align-items:center; gap:11px; padding:9px 11px; border-radius:var(--radius-sm);
  color:var(--muted); font-weight:500; letter-spacing:.2px;
}
.nav a:hover{background:var(--elev); color:var(--text); text-decoration:none}
.nav a.active{background:linear-gradient(90deg,rgba(69,208,200,.14),rgba(69,208,200,.03)); color:var(--text)}
.nav a.active{box-shadow:inset 2px 0 0 var(--accent)}
.nav a svg{width:17px; height:17px; flex:0 0 auto; opacity:.9}
.rail .foot{margin-top:auto; color:var(--faint); font-size:11.5px; padding:10px 8px; border-top:1px solid var(--border-soft)}
.rail .foot a{color:var(--muted)}

.main{min-width:0; padding:22px 26px 60px}

/* ---- top ribbon: live health summary ---- */
.ribbon{display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-bottom:22px}
.ribbon h1{font-size:19px; font-weight:600; margin:0 6px 0 0; letter-spacing:.2px}
.pills{display:flex; gap:9px; flex-wrap:wrap}
.pill{
  display:inline-flex; align-items:center; gap:8px; padding:7px 13px; border-radius:999px;
  background:var(--panel); border:1px solid var(--border); font-weight:600; font-size:12.5px;
}
.pill .dot{width:8px;height:8px;border-radius:50%}
.pill.crit{border-color:rgba(255,92,108,.35)} .pill.crit .dot{background:var(--sev-critical); box-shadow:0 0 10px var(--sev-critical)}
.pill.major .dot{background:var(--sev-major)}
.pill.minor .dot{background:var(--sev-minor)}
.pill.ok{border-color:rgba(61,220,151,.3)} .pill.ok .dot{background:var(--up); box-shadow:0 0 10px rgba(61,220,151,.6)}
.pill b{color:var(--text)} .pill span{color:var(--muted); font-weight:500}
.ribbon .spacer{flex:1}
.updated{color:var(--faint); font-size:12px; display:flex; align-items:center; gap:8px}
.live{display:inline-flex; align-items:center; gap:6px; color:var(--muted); font-size:12px}
.live .beat{width:7px;height:7px;border-radius:50%; background:var(--accent); box-shadow:0 0 10px var(--accent); animation:beat 2s infinite}
@keyframes beat{0%,100%{opacity:.35; transform:scale(.85)}50%{opacity:1; transform:scale(1.1)}}

/* ---- category sections + node grid ---- */
.group{margin-bottom:26px}
.group-h{display:flex; align-items:center; gap:10px; margin:0 2px 12px}
.group-h h2{font-size:12px; font-weight:650; letter-spacing:1.6px; text-transform:uppercase; color:var(--muted); margin:0}
.group-h .rule{flex:1; height:1px; background:linear-gradient(90deg,var(--line),transparent)}
.group-h .count{color:var(--faint); font-size:12px; font-variant-numeric:tabular-nums}
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:14px}

.card{
  position:relative; background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--border); border-radius:var(--radius); padding:15px 16px 13px;
  box-shadow:var(--shadow); overflow:hidden; transition:border-color .15s, transform .15s;
}
.card:hover{border-color:var(--line); transform:translateY(-1px)}
.card a.cardlink{position:absolute; inset:0; z-index:1}
.card .body{position:relative; z-index:2; pointer-events:none}
.card .body a, .card .body button{pointer-events:auto}
/* status edge */
.card::before{content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--unknown)}
.card.s-up::before{background:var(--up)} .card.s-warn::before{background:var(--warn)}
.card.s-crit::before,.card.s-down::before{background:var(--crit)} .card.s-unknown::before{background:var(--unknown)}
.card.s-crit,.card.s-down{box-shadow:var(--shadow),0 0 0 1px rgba(255,92,108,.12)}

.card .row1{display:flex; align-items:center; gap:10px; margin-bottom:2px}
.led{width:10px;height:10px;border-radius:50%; flex:0 0 auto; background:var(--unknown)}
.s-up .led{background:var(--up); box-shadow:0 0 9px rgba(61,220,151,.7)}
.s-warn .led{background:var(--warn); box-shadow:0 0 9px rgba(245,182,90,.6)}
.s-crit .led,.s-down .led{background:var(--crit); box-shadow:0 0 9px rgba(255,92,108,.7); animation:blink 1.4s infinite}
.s-unknown .led{background:var(--unknown)}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.card .name{font-weight:600; font-size:14.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.card .meta{color:var(--faint); font-size:11.5px; margin-left:auto; font-variant-numeric:tabular-nums; white-space:nowrap}
.card .sub{color:var(--muted); font-size:12px; margin:2px 0 11px; display:flex; gap:8px; align-items:center}
.tag{font-size:10px; letter-spacing:.6px; text-transform:uppercase; color:var(--faint); border:1px solid var(--border); padding:1px 6px; border-radius:6px}

.spark{height:34px; width:100%; display:block; margin:2px 0 10px}
.metrics{display:flex; gap:8px; flex-wrap:wrap}
.gauge{display:flex; align-items:center; gap:8px; background:var(--panel-2); border:1px solid var(--border-soft); border-radius:9px; padding:6px 9px; flex:1; min-width:78px}
.gauge canvas{width:30px;height:30px}
.gauge .gv{display:flex; flex-direction:column; line-height:1.15}
.gauge .gv b{font-size:13px; font-variant-numeric:tabular-nums}
.gauge .gv small{color:var(--faint); font-size:9.5px; letter-spacing:.6px; text-transform:uppercase}
.kv{display:flex; justify-content:space-between; font-size:12px; color:var(--muted); padding:2px 0}
.kv b{color:var(--text); font-variant-numeric:tabular-nums; font-weight:600}

.statline{display:flex; align-items:center; gap:7px; font-size:12.5px; font-weight:600}
.statline .txt-up{color:var(--up)} .statline .txt-warn{color:var(--warn)}
.statline .txt-crit,.statline .txt-down{color:var(--crit)} .statline .txt-unknown{color:var(--unknown)}

/* ---- tables ---- */
.panel{background:linear-gradient(180deg,var(--panel),var(--panel-2)); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow)}
.panel-h{display:flex; align-items:center; gap:12px; padding:14px 18px; border-bottom:1px solid var(--border-soft)}
.panel-h h3{margin:0; font-size:14px; font-weight:600}
table.t{width:100%; border-collapse:collapse; font-size:13px}
table.t th{text-align:left; color:var(--muted); font-weight:600; font-size:11px; letter-spacing:.8px; text-transform:uppercase; padding:11px 14px; border-bottom:1px solid var(--border-soft)}
table.t td{padding:11px 14px; border-bottom:1px solid var(--border-soft); vertical-align:middle}
table.t tr:last-child td{border-bottom:none}
table.t tbody tr:hover{background:rgba(255,255,255,.018)}
.sev{display:inline-flex; align-items:center; gap:7px; font-weight:600; font-size:12.5px}
.sev .d{width:8px;height:8px;border-radius:50%}
.sev-critical{color:var(--sev-critical)} .sev-critical .d{background:var(--sev-critical); box-shadow:0 0 8px var(--sev-critical)}
.sev-major{color:var(--sev-major)} .sev-major .d{background:var(--sev-major)}
.sev-minor{color:var(--sev-minor)} .sev-minor .d{background:var(--sev-minor)}
.sev-warning{color:var(--sev-warning)} .sev-warning .d{background:var(--sev-warning)}
.sev-cleared{color:var(--sev-cleared)} .sev-cleared .d{background:var(--sev-cleared)}
.sev-indeterminate{color:var(--unknown)} .sev-indeterminate .d{background:var(--unknown)}
.mono{font-family:var(--mono); font-size:12px; color:var(--muted)}
.age{color:var(--faint); font-variant-numeric:tabular-nums; font-size:12px}

/* ---- buttons / forms ---- */
.btn{display:inline-flex; align-items:center; gap:7px; padding:7px 13px; border-radius:9px; border:1px solid var(--border);
  background:var(--elev); color:var(--text); font:inherit; font-size:12.5px; font-weight:600; cursor:pointer; transition:.13s}
.btn:hover{border-color:var(--line); background:#1b2335}
.btn.sm{padding:5px 10px; font-size:12px}
.btn.accent{background:linear-gradient(180deg,#12423f,#0e3331); border-color:var(--accent-dim); color:#bff6f1}
.btn.accent:hover{border-color:var(--accent)}
.btn.ghost{background:transparent}
.btn:disabled{opacity:.45; cursor:default}
input,select,textarea{background:var(--panel-2); border:1px solid var(--border); color:var(--text); border-radius:9px; padding:9px 11px; font:inherit; width:100%}
input:focus,select:focus,textarea:focus{outline:none; border-color:var(--accent-dim); box-shadow:0 0 0 3px rgba(69,208,200,.08)}
label.fld{display:block; margin-bottom:14px}
label.fld span{display:block; color:var(--muted); font-size:12px; margin-bottom:6px; font-weight:500}
.empty{padding:48px 20px; text-align:center; color:var(--faint)}
.tog{position:relative;display:inline-block;width:40px;height:22px;vertical-align:middle}
.tog input{opacity:0;width:0;height:0}
.tog .sl{position:absolute;inset:0;background:var(--border);border-radius:999px;transition:.15s;cursor:pointer}
.tog .sl::before{content:"";position:absolute;height:16px;width:16px;left:3px;top:3px;background:#8b94a7;border-radius:50%;transition:.15s}
.tog input:checked + .sl{background:var(--accent-dim)}
.tog input:checked + .sl::before{transform:translateX(18px);background:var(--accent)}
.tog input:focus-visible + .sl{box-shadow:0 0 0 3px rgba(69,208,200,.18)}
.empty b{display:block; color:var(--muted); font-size:15px; margin-bottom:5px; font-weight:600}

/* ---- node detail ---- */
.detail-grid{display:grid; grid-template-columns:1.4fr 1fr; gap:16px; align-items:start}
.chart-card{padding:14px 16px}
.chart-card h4{margin:0 0 2px; font-size:12px; letter-spacing:.6px; text-transform:uppercase; color:var(--muted); font-weight:600}
.chart-card .now{font-size:22px; font-weight:650; font-variant-numeric:tabular-nums; margin-bottom:6px}
.chart-card canvas{width:100%; height:90px; display:block}
.charts{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:14px; margin-bottom:16px}
dl.facts{margin:0; display:grid; grid-template-columns:auto 1fr; gap:9px 16px; font-size:13px}
dl.facts dt{color:var(--muted)} dl.facts dd{margin:0; text-align:right; font-variant-numeric:tabular-nums}

/* ---- login ---- */
.login-wrap{display:grid; place-items:center; min-height:100vh; padding:20px}
.login{width:100%; max-width:360px; background:linear-gradient(180deg,var(--panel),var(--panel-2)); border:1px solid var(--border); border-radius:18px; padding:30px 28px; box-shadow:var(--shadow)}
.login .brand{justify-content:center; padding:0 0 22px}
.login h1{font-size:17px; text-align:center; margin:0 0 4px}
.login p.s{text-align:center; color:var(--faint); font-size:12.5px; margin:0 0 22px}
.err{background:rgba(255,92,108,.1); border:1px solid rgba(255,92,108,.3); color:#ffb3bb; padding:10px 13px; border-radius:9px; font-size:13px; margin-bottom:16px}
.ok{background:rgba(61,220,151,.1); border:1px solid rgba(61,220,151,.3); color:#aef0cf; padding:10px 13px; border-radius:9px; font-size:13px; margin-bottom:16px}
.flash{position:fixed; right:18px; bottom:18px; z-index:50}

/* ---- view tabs (Overview layouts) ---- */
.tabs{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:18px}
.tabs button{padding:7px 14px;border-radius:9px;border:1px solid var(--border);background:var(--panel);
  color:var(--muted);font:inherit;font-size:12.5px;font-weight:600;cursor:pointer;transition:.13s}
.tabs button:hover{background:var(--elev);color:var(--text)}
.tabs button.on{background:linear-gradient(90deg,rgba(69,208,200,.18),rgba(69,208,200,.04));color:#bff6f1;border-color:var(--accent-dim)}
.tablewrap{overflow-x:auto}
table.t th.sortable{cursor:pointer;user-select:none}
table.t th.sortable:hover{color:var(--text)}
table.t th .arr{opacity:.5;font-size:9px}
.statuscell{display:inline-flex;align-items:center;gap:7px;font-weight:600;font-size:12.5px}
.statuscell .d{width:8px;height:8px;border-radius:50%}
.st-up .d{background:var(--up);box-shadow:0 0 7px rgba(61,220,151,.6)} .st-up{color:var(--up)}
.st-down .d,.st-crit .d{background:var(--crit);box-shadow:0 0 7px rgba(255,92,108,.6)} .st-down,.st-crit{color:var(--crit)}
.st-warn .d{background:var(--warn)} .st-warn{color:var(--warn)}
.st-unknown .d{background:var(--unknown)} .st-unknown{color:var(--unknown)}
.barcell{display:flex;align-items:center;gap:8px;min-width:96px}
.bar{height:6px;border-radius:3px;background:rgba(255,255,255,.08);flex:1;min-width:42px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:3px}
.pct{font-variant-numeric:tabular-nums;font-size:12px;color:var(--muted);width:34px;text-align:right}
.acount{display:inline-flex;align-items:center;gap:5px;font-weight:700;font-size:12px}
table.t td.grip{cursor:grab;color:var(--faint);text-align:center;user-select:none;width:30px;font-size:14px}
table.t td.grip:active{cursor:grabbing}
table.t tr.dragging{opacity:.45;background:var(--elev)}
table.t tr.draghover{box-shadow:inset 0 2px 0 var(--accent)}
.ordertag{display:inline-flex;align-items:center;gap:7px;color:var(--accent);font-size:12px;font-weight:600}
.ordertag a{color:var(--muted);font-weight:500}

/* ring gauge (CSS conic) */
.ring{--p:0;--c:var(--up);width:46px;height:46px;border-radius:50%;flex:0 0 auto;
  background:conic-gradient(var(--c) calc(var(--p)*1%), rgba(255,255,255,.08) 0);display:grid;place-items:center;position:relative}
.ring::before{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--panel-2)}
.ring span{position:relative;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.ringrow{display:flex;gap:12px;align-items:center;justify-content:space-around;margin-top:10px}
.ringrow .rl{display:flex;flex-direction:column;align-items:center;gap:4px}
.ringrow .rl small{color:var(--faint);font-size:9.5px;letter-spacing:.6px;text-transform:uppercase}

/* triage */
.incident{display:flex;align-items:center;gap:14px;padding:13px 16px;border-bottom:1px solid var(--border-soft)}
.incident:last-child{border-bottom:none}
.incident .sevtag{font-size:11px;font-weight:800;letter-spacing:.5px;padding:3px 9px;border-radius:6px;white-space:nowrap}
.incident .desc{font-weight:600} .incident .imeta{margin-left:auto;display:flex;gap:8px;align-items:center;flex-shrink:0}
.healthstrip{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.hcard{padding:16px} .dots{display:flex;gap:5px;margin-top:8px;flex-wrap:wrap}
.dots i{width:13px;height:13px;border-radius:4px;display:inline-block}

/* topology */
.tree{font-size:14px;line-height:2}
.tree .n{display:inline-flex;align-items:center;gap:9px;padding:4px 11px;border:1px solid var(--border);border-radius:9px;background:var(--panel-2);margin:2px 0}
.tree .n:hover{border-color:var(--line)}
.tree .lvl{padding-left:30px;position:relative}
.tree .lvl::before{content:"";position:absolute;left:13px;top:0;bottom:8px;border-left:1px solid var(--line)}
.tree .dot{width:9px;height:9px;border-radius:50%}
.tree .mini{display:inline-flex;gap:4px;margin-left:4px}
.tree .mini i{width:22px;height:6px;border-radius:3px;background:rgba(255,255,255,.08);overflow:hidden;display:inline-block}
.tree .mini i b{display:block;height:100%;border-radius:3px}

/* telemetry */
.telegrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:16px}
.telecard{padding:16px} .telecard h4{margin:0 0 12px;font-size:12px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted)}
.serierow{display:flex;align-items:center;gap:10px;margin-bottom:9px}
.serierow .nm{width:120px;font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.serierow canvas{flex:1;height:26px}

@media (max-width:820px){
  .app{grid-template-columns:1fr}
  .rail{position:static; height:auto; flex-direction:row; align-items:center; overflow-x:auto; padding:10px}
  .brand{padding:6px 10px 6px 4px} .brand small{display:none} .rail .foot{display:none}
  .nav{flex-direction:row; margin:0} .nav a span{display:none} .nav a{padding:9px}
  .detail-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none !important}}