/* ============================================================
   Argus — instrument-panel design system
   Dark technical telemetry console. Hairlines over shadows,
   monospace numerics as first-class type, color = state only.
   ============================================================ */

/* ---- fonts ---- */
@font-face{font-family:"IBM Plex Sans";font-weight:400;font-display:swap;
  src:url("/static/vendor/fonts/ibm-plex-sans-400.woff2") format("woff2");}
@font-face{font-family:"IBM Plex Sans";font-weight:500;font-display:swap;
  src:url("/static/vendor/fonts/ibm-plex-sans-500.woff2") format("woff2");}
@font-face{font-family:"IBM Plex Sans";font-weight:600;font-display:swap;
  src:url("/static/vendor/fonts/ibm-plex-sans-600.woff2") format("woff2");}
@font-face{font-family:"JetBrains Mono";font-weight:400;font-display:swap;
  src:url("/static/vendor/fonts/jetbrains-mono-400.woff2") format("woff2");}
@font-face{font-family:"JetBrains Mono";font-weight:500;font-display:swap;
  src:url("/static/vendor/fonts/jetbrains-mono-500.woff2") format("woff2");}
@font-face{font-family:"JetBrains Mono";font-weight:600;font-display:swap;
  src:url("/static/vendor/fonts/jetbrains-mono-600.woff2") format("woff2");}
/* CJK fallback (only loaded for Chinese glyphs not covered above) */
@font-face{font-family:"Noto Sans SC";font-weight:400;font-display:swap;
  src:url("/static/vendor/fonts/noto-sans-sc-400.woff2") format("woff2");}
@font-face{font-family:"Noto Sans SC";font-weight:500;font-display:swap;
  src:url("/static/vendor/fonts/noto-sans-sc-500.woff2") format("woff2");}
@font-face{font-family:"Noto Sans SC";font-weight:600;font-display:swap;
  src:url("/static/vendor/fonts/noto-sans-sc-600.woff2") format("woff2");}

:root{
  --bg-base:#0d1117; --bg-surface:#131820; --bg-elevated:#1a212b;
  --bg-inset:#0a0e14;
  --border:#232c38; --border-strong:#324155; --border-faint:#1a222c;
  --text-primary:#e6edf3; --text-secondary:#9aa7b6; --text-muted:#5e6b7a;
  --ok:#3fb950; --warn:#d29922; --crit:#f85149; --info:#58a6ff; --accent:#2f81f7;
  --ok-bg:rgba(63,185,80,.12); --warn-bg:rgba(210,153,34,.14);
  --crit-bg:rgba(248,81,73,.14); --info-bg:rgba(88,166,255,.12);
  --s1:#58a6ff;--s2:#3fb950;--s3:#d29922;--s4:#bc8cff;--s5:#39c5cf;--s6:#ff7b72;
  --radius-sm:3px; --radius-md:5px; --radius-lg:6px;
  --shadow-pop:0 8px 28px rgba(0,0,0,.55),0 0 0 1px var(--border-strong);
  --font-ui:"IBM Plex Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",
    system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SF Mono",Consolas,
    "PingFang SC","Microsoft YaHei","Noto Sans SC",monospace;
  --sidebar-w:222px; --topbar-h:44px;
}

/* ---- light (day) theme ---- */
:root[data-theme="light"]{
  --bg-base:#eceff3; --bg-surface:#ffffff; --bg-elevated:#f2f5f8;
  --bg-inset:#e9edf2;
  --border:#dce2e9; --border-strong:#c3ccd6; --border-faint:#e7ebf0;
  --text-primary:#161c24; --text-secondary:#52606e; --text-muted:#8893a0;
  --ok:#1a7f37; --warn:#9a6700; --crit:#cf222e; --info:#0969da; --accent:#0969da;
  --ok-bg:rgba(26,127,55,.10); --warn-bg:rgba(154,103,0,.12);
  --crit-bg:rgba(207,34,46,.10); --info-bg:rgba(9,105,218,.10);
  --s1:#0969da;--s2:#1a7f37;--s3:#9a6700;--s4:#8250df;--s5:#1b7c83;--s6:#cf222e;
  --shadow-pop:0 8px 28px rgba(60,80,110,.18),0 0 0 1px var(--border-strong);
}
:root[data-theme="light"] .login-wrap{
  background:radial-gradient(1200px 600px at 50% -10%,#e6ecf4 0%,var(--bg-base) 60%);}
:root[data-theme="light"] .mbar>i{opacity:.42}
:root[data-theme="light"] .mbar{background:#e4e9ef}
:root[data-theme="light"] .term-host{background:#0a0e14}
:root[data-theme="light"] .stat .spark{opacity:.5}
:root[data-theme="light"] ::-webkit-scrollbar-thumb{background:#cdd5de;
  border-color:var(--bg-base)}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg-base);color:var(--text-primary);
  font-family:var(--font-ui);font-size:13px;line-height:1.45;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow:hidden;
}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum","zero"}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum","zero"}
a{color:var(--accent);text-decoration:none}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#27313d;border-radius:6px;
  border:2px solid var(--bg-base)}
::-webkit-scrollbar-thumb:hover{background:#33404f}
::selection{background:rgba(47,129,247,.35)}

.label{font-size:11px;font-weight:500;letter-spacing:.05em;
  text-transform:uppercase;color:var(--text-muted)}
.micro{font-size:10.5px;font-family:var(--font-mono);color:var(--text-muted)}

/* ============================ app shell ============================ */
.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;
  grid-template-rows:var(--topbar-h) 1fr;height:100vh;
  grid-template-areas:"brand topbar" "side main"}

/* ---- brand corner ---- */
.brand{grid-area:brand;background:var(--bg-surface);
  border-right:1px solid var(--border);border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:10px;padding:0 16px}
.brand .logo{width:22px;height:22px;flex:0 0 auto}
.brand .wd{font-weight:600;font-size:15px;letter-spacing:.02em}
.brand .wd b{color:var(--accent)}
.brand .ver{margin-left:auto;font-size:10px}

/* ---- topbar ---- */
.topbar{grid-area:topbar;background:var(--bg-surface);
  border-bottom:1px solid var(--border);display:flex;align-items:center;
  gap:18px;padding:0 18px}
.topbar .page-title{font-size:14px;font-weight:600}
.topbar .spacer{flex:1}
.tb-item{display:flex;align-items:center;gap:7px;font-size:12px;
  color:var(--text-secondary)}
.tb-item .k{color:var(--text-muted)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(63,185,80,.6)}
.pulse.tick{animation:pulse .9s ease-out}
.pulse.stale{background:var(--warn)} .pulse.down{background:var(--crit)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(63,185,80,.55)}
  100%{box-shadow:0 0 0 7px rgba(63,185,80,0)}}
.btn-ghost{background:transparent;border:1px solid var(--border);
  color:var(--text-secondary);font-family:var(--font-ui);font-size:12px;
  padding:4px 10px;border-radius:var(--radius-sm);cursor:pointer}
.btn-ghost:hover{background:var(--bg-elevated);color:var(--text-primary);
  border-color:var(--border-strong)}

/* ---- sidebar ---- */
.sidebar{grid-area:side;background:var(--bg-surface);
  border-right:1px solid var(--border);display:flex;flex-direction:column;
  overflow-y:auto}
.nav{padding:10px 10px 4px}
.nav .group{margin:14px 8px 5px}
.nav a{display:flex;align-items:center;gap:10px;padding:7px 11px;
  border-radius:var(--radius-sm);color:var(--text-secondary);font-size:13px;
  position:relative;cursor:pointer;margin-bottom:1px}
.nav a svg{width:16px;height:16px;flex:0 0 auto;opacity:.85}
.nav a:hover{background:var(--bg-elevated);color:var(--text-primary)}
.nav a.active{color:var(--text-primary);background:var(--bg-elevated)}
.nav a.active::before{content:"";position:absolute;left:0;top:6px;bottom:6px;
  width:2px;background:var(--accent);border-radius:2px}
.nav a .badge-n{margin-left:auto;font-size:10.5px;font-family:var(--font-mono);
  color:var(--text-muted)}
.nav a.active .badge-n{color:var(--accent)}

/* sidebar vitals strip */
.vitals{margin-top:auto;border-top:1px solid var(--border);padding:12px 14px;
  background:var(--bg-surface)}
.vitals .node{display:flex;align-items:center;gap:8px;margin-bottom:9px}
.vitals .node .dot{width:7px;height:7px;border-radius:50%;background:var(--ok)}
.vitals .node .nm{font-size:12px;font-weight:500}
.vitals .node .up{margin-left:auto;font-size:10px}
.vrow{display:flex;align-items:center;gap:8px;margin:5px 0}
.vrow .vk{font-size:10.5px;color:var(--text-muted);width:34px;
  text-transform:uppercase;letter-spacing:.04em}
.vrow .vbar{flex:1;height:5px;background:var(--bg-inset);border-radius:3px;
  overflow:hidden}
.vrow .vbar i{display:block;height:100%;border-radius:3px;background:var(--ok);
  transition:width .5s ease}
.vrow .vv{font-size:10.5px;font-family:var(--font-mono);width:42px;
  text-align:right;color:var(--text-secondary)}

/* ---- main ---- */
.main{grid-area:main;overflow-y:auto;padding:18px 22px 40px}
.view{display:none}.view.active{display:block}

/* ============================ panels & grid ============================ */
.grid{display:grid;gap:13px}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1300px){.cols-4{grid-template-columns:repeat(2,1fr)}}

.panel{background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-md);position:relative}
.panel.tick-tl::before{content:"";position:absolute;left:-1px;top:-1px;
  width:9px;height:9px;border-top:2px solid var(--accent);
  border-left:2px solid var(--accent);border-top-left-radius:var(--radius-md)}
.panel-h{display:flex;align-items:center;gap:10px;padding:11px 15px;
  border-bottom:1px solid var(--border)}
.panel-h h3{font-size:12px;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:var(--text-secondary)}
.panel-h .sub{font-size:11px;color:var(--text-muted)}
.panel-h .act{margin-left:auto;display:flex;gap:7px}
.panel-b{padding:14px 15px}

.section-h{display:flex;align-items:center;gap:12px;margin:22px 2px 11px}
.section-h:first-child{margin-top:4px}
.section-h h2{font-size:13px;font-weight:600;letter-spacing:.05em;
  text-transform:uppercase;color:var(--text-secondary)}
.section-h .line{flex:1;height:1px;background:var(--border)}
.section-h .meta{font-size:11px;color:var(--text-muted)}

/* ---- stat tile ---- */
.stat{background:var(--bg-surface);border:1px solid var(--border);
  border-left:2px solid var(--ok);border-radius:var(--radius-md);
  padding:13px 16px;position:relative;overflow:hidden}
.stat.warn{border-left-color:var(--warn)} .stat.crit{border-left-color:var(--crit)}
.stat.muted{border-left-color:var(--border-strong)}
.stat .st-lbl{font-size:10.5px;font-weight:500;letter-spacing:.06em;
  text-transform:uppercase;color:var(--text-muted);display:flex;
  align-items:center;gap:6px}
.stat .st-val{font-family:var(--font-mono);font-size:24px;font-weight:600;
  margin-top:7px;line-height:1;letter-spacing:-.01em}
.stat .st-val .u{font-size:13px;color:var(--text-secondary);font-weight:400;
  margin-left:3px}
.stat .st-sub{margin-top:8px;font-size:11px;color:var(--text-muted);
  display:flex;align-items:center;gap:8px;min-height:14px}
.stat .spark{position:absolute;right:0;bottom:0;left:0;height:30px;opacity:.6}
.flash{animation:flash .5s ease-out}
@keyframes flash{0%{background:var(--info-bg)}100%{background:transparent}}
.flash-crit{animation:flashc .6s ease-out}
@keyframes flashc{0%{background:var(--crit-bg)}100%{background:transparent}}

/* ---- micro bar (inline cell gauge) ---- */
.mbar{position:relative;height:18px;border-radius:2px;background:var(--bg-inset);
  overflow:hidden;min-width:64px}
.mbar>i{position:absolute;left:0;top:0;bottom:0;background:var(--ok);
  opacity:.30;transition:width .5s ease}
.mbar.warn>i{background:var(--warn)} .mbar.crit>i{background:var(--crit)}
.mbar>span{position:absolute;inset:0;display:flex;align-items:center;
  justify-content:flex-end;padding-right:6px;font-family:var(--font-mono);
  font-size:11px;color:var(--text-primary)}

/* ============================ tables ============================ */
.tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.tbl thead th{position:sticky;top:0;background:var(--bg-elevated);
  text-align:left;font-size:10.5px;font-weight:500;letter-spacing:.05em;
  text-transform:uppercase;color:var(--text-muted);padding:8px 11px;
  border-bottom:1px solid var(--border-strong);white-space:nowrap;z-index:1}
.tbl tbody td{padding:6px 11px;border-bottom:1px solid var(--border-faint);
  white-space:nowrap}
.tbl tbody tr:hover{background:var(--bg-elevated)}
.tbl td.num,.tbl th.num{text-align:right;font-family:var(--font-mono);
  font-variant-numeric:tabular-nums}
.tbl td.name{font-weight:500}
.tbl .ip{font-family:var(--font-mono);font-size:11.5px;color:var(--text-secondary)}
.tbl .muted{color:var(--text-muted)}

/* ---- status pill ---- */
.pill{display:inline-flex;align-items:center;gap:5px;padding:2px 8px;
  border-radius:var(--radius-sm);font-size:10.5px;font-weight:500;
  letter-spacing:.03em;text-transform:uppercase;line-height:1.4}
.pill .d{width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.ok{color:var(--ok);background:var(--ok-bg);
  box-shadow:inset 0 0 0 1px rgba(63,185,80,.28)}
.pill.warn{color:var(--warn);background:var(--warn-bg);
  box-shadow:inset 0 0 0 1px rgba(210,153,34,.3)}
.pill.crit{color:var(--crit);background:var(--crit-bg);
  box-shadow:inset 0 0 0 1px rgba(248,81,73,.3)}
.pill.muted{color:var(--text-muted);background:rgba(94,107,122,.12);
  box-shadow:inset 0 0 0 1px rgba(94,107,122,.25)}
.pill.info{color:var(--info);background:var(--info-bg);
  box-shadow:inset 0 0 0 1px rgba(88,166,255,.28)}

/* ---- chips / tags ---- */
.tag{display:inline-block;padding:1px 6px;border-radius:var(--radius-sm);
  font-size:10.5px;font-family:var(--font-mono);color:var(--text-secondary);
  background:var(--bg-inset);border:1px solid var(--border)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-ui);
  font-size:12px;font-weight:500;padding:5px 11px;border-radius:var(--radius-sm);
  border:1px solid var(--border-strong);background:var(--bg-elevated);
  color:var(--text-primary);cursor:pointer;transition:.12s}
.btn:hover{border-color:var(--accent);background:#1f2935}
.btn.sm{padding:3px 8px;font-size:11px}
.btn.danger:hover{border-color:var(--crit);color:var(--crit)}
.btn.ok:hover{border-color:var(--ok);color:var(--ok)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:#3b8bf7}
.btn:disabled{opacity:.45;cursor:not-allowed}
.act-row{display:flex;gap:5px}
.icon-btn{width:26px;height:24px;display:inline-grid;place-items:center;
  border:1px solid var(--border);background:transparent;border-radius:3px;
  cursor:pointer;color:var(--text-secondary)}
.icon-btn:hover{background:var(--bg-elevated);color:var(--text-primary);
  border-color:var(--border-strong)}
.icon-btn svg{width:14px;height:14px}

/* ============================ charts ============================ */
.chart{width:100%}
.uplot,.uplot *{font-family:var(--font-mono)!important}
.u-legend{font-size:11px!important;color:var(--text-secondary)!important}
.u-legend .u-marker{width:9px!important;height:9px!important}

/* ============================ terminal ============================ */
.term-wrap{display:grid;grid-template-columns:200px 1fr;gap:13px;
  height:calc(100vh - var(--topbar-h) - 58px)}
.term-list{background:var(--bg-surface);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:auto;padding:8px}
.term-list .ti{display:flex;align-items:center;gap:9px;padding:8px 10px;
  border-radius:var(--radius-sm);cursor:pointer;font-size:12.5px;
  color:var(--text-secondary)}
.term-list .ti:hover{background:var(--bg-elevated)}
.term-list .ti.active{background:var(--bg-elevated);color:var(--text-primary);
  box-shadow:inset 2px 0 0 var(--accent)}
.term-list .ti .h{font-family:var(--font-mono);font-size:10.5px;
  color:var(--text-muted);margin-left:auto}
.term-host{background:var(--bg-inset);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;display:flex;
  flex-direction:column}
.term-bar{display:flex;align-items:center;gap:10px;padding:7px 13px;
  border-bottom:1px solid var(--border);background:var(--bg-surface)}
.term-bar .t{font-size:12px;color:var(--text-secondary)}
.term-bar .st{margin-left:auto;font-size:11px;font-family:var(--font-mono)}
#terminal{flex:1;padding:8px 10px}
.xterm .xterm-viewport::-webkit-scrollbar{width:8px}

/* ============================ login ============================ */
.login-wrap{display:grid;place-items:center;height:100vh;
  background:radial-gradient(1200px 600px at 50% -10%,#16202c 0%,var(--bg-base) 60%)}
.login-card{width:340px;background:var(--bg-surface);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px 30px 26px;position:relative;box-shadow:var(--shadow-pop)}
.login-card::before{content:"";position:absolute;left:-1px;top:-1px;
  width:14px;height:14px;border-top:2px solid var(--accent);
  border-left:2px solid var(--accent);border-top-left-radius:var(--radius-lg)}
.login-card .lg{display:flex;align-items:center;gap:11px;margin-bottom:4px}
.login-card .lg svg{width:30px;height:30px}
.login-card h1{font-size:21px;font-weight:600;letter-spacing:.01em}
.login-card h1 b{color:var(--accent)}
.login-card .tagline{font-size:11.5px;color:var(--text-muted);
  margin-bottom:24px;font-family:var(--font-mono);letter-spacing:.02em}
.field{margin-bottom:14px}
.field label{display:block;font-size:10.5px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--text-muted);margin-bottom:6px}
input,select{width:100%;font-family:var(--font-ui);font-size:13px;
  padding:9px 11px;background:var(--bg-inset);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text-primary);outline:none}
input:focus,select:focus{border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(47,129,247,.15)}
input.mono{font-family:var(--font-mono)}
.login-card .btn{width:100%;justify-content:center;padding:10px;margin-top:6px;
  font-size:13px}
.login-err{color:var(--crit);font-size:12px;margin-top:12px;min-height:16px;
  text-align:center}
.login-foot{text-align:center;margin-top:18px;font-size:10.5px;
  color:var(--text-muted);font-family:var(--font-mono)}

/* ============================ misc ============================ */
.kv{display:grid;grid-template-columns:auto 1fr;gap:7px 16px;font-size:12px}
.kv .k{color:var(--text-muted)}
.kv .v{font-family:var(--font-mono);color:var(--text-secondary);text-align:right}
.empty{padding:34px;text-align:center;color:var(--text-muted);font-size:12.5px}
.spinner{width:15px;height:15px;border:2px solid var(--border-strong);
  border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;
  display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.flex{display:flex;align-items:center;gap:10px}
.gap6{gap:6px}.wrap{flex-wrap:wrap}.right{margin-left:auto}
.toast-host{position:fixed;right:18px;bottom:18px;display:flex;
  flex-direction:column;gap:9px;z-index:200}
.toast{background:var(--bg-elevated);border:1px solid var(--border-strong);
  border-left:3px solid var(--accent);border-radius:var(--radius-sm);
  padding:10px 14px;font-size:12.5px;box-shadow:var(--shadow-pop);
  min-width:220px;animation:slidein .2s ease}
.toast.ok{border-left-color:var(--ok)} .toast.err{border-left-color:var(--crit)}
@keyframes slidein{from{transform:translateX(20px);opacity:0}}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(5,8,12,.66);display:none;
  place-items:center;z-index:150}
.modal-bg.show{display:grid}
.modal{width:min(720px,92vw);max-height:84vh;background:var(--bg-surface);
  border:1px solid var(--border-strong);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-pop);display:flex;flex-direction:column}
.modal-h{display:flex;align-items:center;padding:13px 17px;
  border-bottom:1px solid var(--border)}
.modal-h h3{font-size:14px;font-weight:600}
.modal-b{padding:16px 17px;overflow:auto}
.logbox{background:var(--bg-inset);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:12px;font-family:var(--font-mono);
  font-size:11.5px;line-height:1.5;color:var(--text-secondary);
  white-space:pre-wrap;word-break:break-all;max-height:60vh;overflow:auto}
.toggle{position:relative;width:34px;height:19px;flex:0 0 auto;cursor:pointer}
.toggle input{display:none}
.toggle i{position:absolute;inset:0;background:var(--bg-inset);
  border:1px solid var(--border-strong);border-radius:11px;transition:.15s}
.toggle i::after{content:"";position:absolute;left:2px;top:1.5px;width:14px;
  height:14px;border-radius:50%;background:var(--text-muted);transition:.15s}
.toggle input:checked + i{background:rgba(47,129,247,.3);
  border-color:var(--accent)}
.toggle input:checked + i::after{transform:translateX(15px);background:var(--accent)}