/* =========================================================================
   7Lan Live — dark, minimal, technical
   ========================================================================= */
:root{
  --bg:#05070c;
  --bg-2:#080b12;
  --panel:rgba(13,17,26,.72);
  --panel-solid:#0b0f18;
  --stroke:rgba(120,160,200,.14);
  --stroke-strong:rgba(120,180,255,.28);
  --txt:#e6edf6;
  --txt-dim:#7d8aa0;
  --txt-faint:#4a566b;
  --cyan:#22d3ee;
  --green:#34e39b;
  --amber:#ffb454;
  --red:#ff5d6c;
  --violet:#8b7bff;
  --grid:rgba(120,160,200,.07);
  --mono:"JetBrains Mono","SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --r:14px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--txt);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;min-height:100%}
body{
  background-image:
    radial-gradient(1100px 600px at 12% -10%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(900px 500px at 92% 4%, rgba(139,123,255,.09), transparent 62%),
    linear-gradient(180deg,#05070c 0%,#070a11 55%,#05070c 100%);
  background-attachment:fixed;
}
.scanline{position:fixed;inset:0;pointer-events:none;z-index:90;opacity:.32;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.022) 0 1px,transparent 1px 3px)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(120,160,200,.18);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(120,180,255,.32)}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:60;display:flex;align-items:center;gap:26px;
  padding:14px 22px;border-bottom:1px solid var(--stroke);
  background:rgba(5,7,12,.82);backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:12px;min-width:210px}
.brand-mark{display:grid;grid-template-columns:repeat(3,4px);gap:3px}
.brand-mark span{width:4px;height:18px;border-radius:2px;background:var(--cyan);
  animation:pulse 1.6s ease-in-out infinite}
.brand-mark span:nth-child(2){background:var(--violet);animation-delay:.22s}
.brand-mark span:nth-child(3){background:var(--green);animation-delay:.44s}
@keyframes pulse{0%,100%{opacity:.28;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}
.brand-text strong{font-family:var(--mono);font-size:16px;letter-spacing:.16em;display:block;line-height:1.1}
.brand-text strong span{color:var(--cyan)}
.brand-text em{font-style:normal;font-size:10.5px;color:var(--txt-faint);letter-spacing:.1em;font-family:var(--mono)}

.topbar-stats{display:flex;gap:22px;flex:1;overflow:hidden}
.topbar-stats .stat{display:flex;flex-direction:column;gap:2px;min-width:62px}
.topbar-stats label{font-size:9.5px;letter-spacing:.14em;color:var(--txt-faint);font-family:var(--mono)}
.topbar-stats b{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--txt)}
.topbar-stats b.ok{color:var(--green)} .topbar-stats b.warn{color:var(--amber)}
.topbar-stats b.bad{color:var(--red)}

.topbar-right{display:flex;align-items:center;gap:16px}
.link-dot{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:10.5px;
  color:var(--txt-dim);letter-spacing:.08em}
.link-dot i{width:7px;height:7px;border-radius:50%;background:var(--txt-faint);
  box-shadow:0 0 0 0 rgba(52,227,155,.6)}
.link-dot.live i{background:var(--green);animation:beat 2s infinite}
.link-dot.down i{background:var(--red)}
@keyframes beat{0%{box-shadow:0 0 0 0 rgba(52,227,155,.55)}70%{box-shadow:0 0 0 9px rgba(52,227,155,0)}100%{box-shadow:0 0 0 0 rgba(52,227,155,0)}}
.clock{font-family:var(--mono);font-size:13px;color:var(--txt);letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* ---------- tabs ---------- */
.tabs{display:flex;gap:6px;padding:12px 22px 0;max-width:1780px;margin:0 auto;width:100%}
.tab{background:transparent;border:1px solid transparent;color:var(--txt-dim);font-family:var(--mono);
  font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;padding:8px 16px;border-radius:9px;cursor:pointer;
  transition:.18s}
.tab:hover{color:var(--txt);background:rgba(120,160,200,.06)}
.tab.active{color:var(--cyan);border-color:var(--stroke-strong);background:rgba(34,211,238,.07)}

main{max-width:1780px;margin:0 auto;padding:18px 22px 40px}
.view{display:none;flex-direction:column;gap:16px}
.view.active{display:flex;animation:fade .28s ease}
@keyframes fade{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

/* ---------- panels ---------- */
.panel{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r);
  padding:16px 18px;backdrop-filter:blur(10px);position:relative;overflow:hidden}
.panel::after{content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(34,211,238,.35),transparent)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.panel-head h2{margin:0;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--txt-dim);font-family:var(--mono);font-weight:600}
.panel-head em{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--txt-faint)}
.panel-foot{display:flex;gap:18px;flex-wrap:wrap;margin-top:10px;font-family:var(--mono);
  font-size:10.5px;color:var(--txt-dim)}
.panel-foot .dim{color:var(--txt-faint)}
.grid-2{display:grid;grid-template-columns:1.35fr 1fr;gap:16px}
@media(max-width:1150px){.grid-2{grid-template-columns:1fr}}

/* ---------- kpis ---------- */
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.kpi-row.compact{grid-template-columns:repeat(5,1fr)}
@media(max-width:1150px){.kpi-row,.kpi-row.compact{grid-template-columns:repeat(2,1fr)}}
.kpi{background:var(--panel);border:1px solid var(--stroke);border-radius:var(--r);padding:13px 15px 10px;
  display:flex;flex-direction:column;gap:9px;position:relative;overflow:hidden;min-height:118px}
.kpi::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--cyan);opacity:.75}
.kpi.ok::before{background:var(--green)} .kpi.warn::before{background:var(--amber)}
.kpi.bad::before{background:var(--red)} .kpi.sm::before{opacity:.35}
.kpi header{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.kpi header span{font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--txt-faint)}
.kpi header em{font-style:normal;font-family:var(--mono);font-size:10.5px;color:var(--txt-dim)}
.kpi-body{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.kpi-value{font-family:var(--mono);font-size:30px;font-weight:600;line-height:1;letter-spacing:-.02em;color:var(--txt);
  font-variant-numeric:tabular-nums}
.kpi.sm .kpi-value{font-size:26px}
.kpi-value small{font-size:13px;color:var(--txt-dim);margin-left:2px;font-weight:400}
.kpi footer{font-family:var(--mono);font-size:10px;color:var(--txt-faint);margin-top:auto}
.spark{width:96px;height:34px;flex-shrink:0;opacity:.9}
.spark canvas{width:100%;height:100%;display:block}

/* ---------- charts ---------- */
.chart-wrap{position:relative}
.chart{width:100%;height:210px;display:block}
#chart-hist{height:230px}
.chart-axis{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;
  color:var(--txt-faint);margin-top:4px}
.legend{display:flex;gap:16px;font-family:var(--mono);font-size:10.5px;color:var(--txt-dim);flex-wrap:wrap}
.legend span{display:flex;align-items:center;gap:6px}
.legend b{color:var(--txt);font-weight:600}
.legend .dim{color:var(--txt-faint)}
.sw{width:9px;height:2px;border-radius:2px;display:inline-block}
.sw.rx{background:var(--cyan)} .sw.tx{background:var(--violet)}
.sw.cpu{background:var(--cyan)} .sw.ram{background:var(--violet)}
.sw.temp{background:var(--amber)} .sw.lat{background:var(--green)}

/* ---------- lists ---------- */
.iface-list,.disk-list,.sensor-list,.svc-list,.alert-list,.host-grid,.detail-grid{display:flex;flex-direction:column;gap:8px}
.host-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:12px}
.empty{font-family:var(--mono);font-size:11px;color:var(--txt-faint);padding:12px 2px}

.iface{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:9px 11px;border-radius:10px;
  background:rgba(120,160,200,.035);border:1px solid var(--stroke)}
.iface .nm{font-family:var(--mono);font-size:12px;color:var(--txt)}
.iface .nm i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:7px;vertical-align:middle}
.iface .nm i.down{background:var(--red)}
.iface .ip{font-family:var(--mono);font-size:10.5px;color:var(--txt-faint)}
.iface .rates{font-family:var(--mono);font-size:11px;text-align:right;color:var(--txt-dim);white-space:nowrap}
.iface .rates b{color:var(--cyan);font-weight:600}
.iface .rates b.tx{color:var(--violet)}

.disk{padding:10px 12px;border-radius:10px;background:rgba(120,160,200,.035);border:1px solid var(--stroke)}
.disk-top{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11.5px;margin-bottom:8px;gap:10px}
.disk-top .mnt{color:var(--txt)}
.disk-top .pct{color:var(--txt-dim);font-variant-numeric:tabular-nums}
.disk-top .pct.warn{color:var(--amber)} .disk-top .pct.bad{color:var(--red)}
.bar{height:5px;border-radius:4px;background:rgba(120,160,200,.12);overflow:hidden}
.bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--cyan),#3aa6ff);
  transition:width .5s cubic-bezier(.4,0,.2,1)}
.bar i.warn{background:linear-gradient(90deg,var(--amber),#ff8a3d)}
.bar i.bad{background:linear-gradient(90deg,var(--red),#ff2f5e)}
.disk-sub{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--txt-faint);margin-top:6px}

.kv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:9px}
.kv{padding:9px 11px;border-radius:10px;background:rgba(120,160,200,.035);border:1px solid var(--stroke);overflow:hidden}
.kv label{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--txt-faint);margin-bottom:4px}
.kv b{font-family:var(--mono);font-size:12.5px;font-weight:500;color:var(--txt);word-break:break-word}

.svc{padding:10px 12px;border-radius:10px;background:rgba(120,160,200,.035);border:1px solid var(--stroke)}
.svc-head{display:flex;align-items:baseline;gap:7px;font-family:var(--mono);font-size:12px;flex-wrap:wrap}
.svc-head .dot{width:6px;height:6px;border-radius:50%;background:var(--red);flex-shrink:0}
.svc-head .dot.on{background:var(--green)}
.svc-head .nm{color:var(--txt)}
.svc-head .pill{margin-left:auto;font-size:9.5px;padding:2px 7px;border-radius:20px;
  border:1px solid var(--stroke);color:var(--txt-dim)}
.svc-head .pill.on{color:var(--green);border-color:rgba(52,227,155,.3)}
.svc-head .pill.off{color:var(--red);border-color:rgba(255,93,108,.32)}
.svc-head .pill.crit{color:var(--amber);border-color:rgba(255,180,84,.32)}
.svc-desc{font-family:var(--mono);font-size:10.5px;color:var(--txt-faint);margin-top:4px;line-height:1.45}
.svc-list{max-height:430px;overflow:auto;padding-right:4px}
.svc-filter{display:flex;gap:8px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.svc-filter input{flex:1;min-width:150px;background:rgba(120,160,200,.05);border:1px solid var(--stroke);
  border-radius:8px;color:var(--txt);font-family:var(--mono);font-size:11.5px;padding:7px 11px;outline:none}
.svc-filter input:focus{border-color:var(--stroke-strong)}
.chip{background:transparent;border:1px solid var(--stroke);color:var(--txt-dim);font-family:var(--mono);
  font-size:10.5px;padding:6px 11px;border-radius:20px;cursor:pointer;transition:.16s}
.chip:hover{color:var(--txt)}
.chip.active{color:var(--cyan);border-color:var(--stroke-strong);background:rgba(34,211,238,.07)}

.host-card{background:var(--panel);border:1px solid var(--stroke);border-radius:12px;padding:13px 14px;
  cursor:pointer;transition:.18s;position:relative;overflow:hidden}
.host-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--txt-faint)}
.host-card.online::before{background:var(--green)}
.host-card.degraded::before{background:var(--amber)}
.host-card.offline::before{background:var(--red)}
.host-card:hover{border-color:var(--stroke-strong);transform:translateY(-1px)}
.host-card.sel{border-color:var(--cyan);box-shadow:0 0 0 1px rgba(34,211,238,.22) inset}
.host-card .hc-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.host-card .hc-name{font-family:var(--mono);font-size:13px;color:var(--txt)}
.host-card .hc-type{font-family:var(--mono);font-size:9.5px;color:var(--txt-faint);letter-spacing:.1em;text-transform:uppercase}
.host-card .hc-host{font-family:var(--mono);font-size:10.5px;color:var(--txt-dim);margin-top:3px}
.host-card .hc-metrics{display:flex;gap:14px;margin-top:11px;font-family:var(--mono);font-size:11px;color:var(--txt-dim)}
.host-card .hc-metrics b{color:var(--txt);font-weight:600}
.host-card .hc-bar{margin-top:9px;height:3px;border-radius:3px;background:rgba(120,160,200,.12);overflow:hidden}
.host-card .hc-bar i{display:block;height:100%;background:var(--cyan);opacity:.8}
.host-card .hc-age{font-family:var(--mono);font-size:9.5px;color:var(--txt-faint);margin-top:7px}

.settings{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;align-items:end}
.settings label{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--txt-faint)}
.settings label small{color:var(--txt-faint);text-transform:none;letter-spacing:0}
.settings input[type=number]{background:rgba(120,160,200,.05);border:1px solid var(--stroke);border-radius:8px;
  color:var(--txt);font-family:var(--mono);font-size:13px;padding:8px 10px;outline:none;width:100%}
.settings input:focus{border-color:var(--stroke-strong)}
.settings label.toggle{flex-direction:row;align-items:center;gap:9px;text-transform:none;letter-spacing:0;
  font-size:11.5px;color:var(--txt-dim);grid-column:span 2}
.settings-actions{display:flex;gap:10px;grid-column:span 2}
.btn{background:transparent;border:1px solid var(--stroke);color:var(--txt);font-family:var(--mono);
  font-size:11.5px;padding:9px 16px;border-radius:9px;cursor:pointer;transition:.16s;white-space:nowrap}
.btn:hover{border-color:var(--stroke-strong);background:rgba(120,160,200,.06)}
.btn.primary{color:var(--cyan);border-color:var(--stroke-strong);background:rgba(34,211,238,.08)}
.btn.primary:hover{background:rgba(34,211,238,.15)}

.alert-row{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:10px 12px;
  border-radius:10px;background:rgba(120,160,200,.035);border:1px solid var(--stroke);font-family:var(--mono);font-size:11.5px}
.alert-row .sev{width:7px;height:7px;border-radius:50%;background:var(--amber)}
.alert-row.critical .sev{background:var(--red)}
.alert-row .msg{color:var(--txt)}
.alert-row .when{color:var(--txt-faint);font-size:10.5px;white-space:nowrap}
.alert-row .notified{font-size:9.5px;color:var(--green)}

.detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:9px;flex-direction:row}

.page-foot{max-width:1780px;margin:0 auto;padding:8px 22px 26px;display:flex;justify-content:space-between;
  font-family:var(--mono);font-size:10.5px;color:var(--txt-faint);flex-wrap:wrap;gap:10px}
.page-foot b{color:var(--txt-dim)}

.sensor{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;padding:8px 11px;
  border-radius:9px;background:rgba(120,160,200,.035);border:1px solid var(--stroke);font-family:var(--mono);font-size:11.5px}
.sensor .lbl{color:var(--txt-dim)}
.sensor .val{color:var(--txt)}
.sensor .mini{width:56px;height:5px;border-radius:4px;background:rgba(120,160,200,.12);overflow:hidden}
.sensor .mini i{display:block;height:100%;background:linear-gradient(90deg,var(--green),var(--amber),var(--red))}