:root {
  color-scheme: light;
  --bg: #f4f4f2; --surface: #fcfcfb; --surface-2: #efeeeb; --border: #dcdbd6;
  --text: #0b0b0b; --text-2: #52514e; --muted: #77766f;
  --accent: #2a78d6; --accent-ink: #fff;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s8: #e34948; --s7: #6250d6;
  --grid: #e6e5e1;
  --good: #0ca30c; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b;
  --good-bg: #e3f4e3; --warning-bg: #fdf1d6; --serious-bg: #fbe6dd; --critical-bg: #f8dddd;
  --shadow: 0 1px 2px rgba(0,0,0,.05), 0 1px 8px rgba(0,0,0,.04);
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121211; --surface: #1a1a19; --surface-2: #232321; --border: #33332f;
    --text: #f0efec; --text-2: #c3c2b7; --muted: #8f8e86;
    --accent: #3987e5;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s8: #e66767; --s7: #9085e9;
    --grid: #2a2a27;
    --good-bg: #16301a; --warning-bg: #3a2e10; --serious-bg: #3b2418; --critical-bg: #3d1c1c;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121211; --surface: #1a1a19; --surface-2: #232321; --border: #33332f;
  --text: #f0efec; --text-2: #c3c2b7; --muted: #8f8e86;
  --accent: #3987e5;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s8: #e66767; --s7: #9085e9;
  --grid: #2a2a27;
  --good-bg: #16301a; --warning-bg: #3a2e10; --serious-bg: #3b2418; --critical-bg: #3d1c1c;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }
.muted { color: var(--muted); } .small { font-size: 12px; } .mono { font-family: var(--mono); font-size: 12.5px; }
.err { color: var(--critical); min-height: 1.2em; }
h1 { font-size: 22px; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 10px; font-weight: 600; }
h3 { font-size: 13px; margin: 0 0 6px; color: var(--text-2); font-weight: 600; }

/* top bar */
.top { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 20px; padding: 10px 20px;
  background: var(--surface); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--text); font-size: 16px; }
.brand:hover { text-decoration: none; }
.brand.big { font-size: 22px; justify-content: center; }
.shield { width: 20px; height: 22px; background: var(--accent);
  clip-path: polygon(50% 0, 100% 18%, 100% 52%, 50% 100%, 0 52%, 0 18%); display: inline-block; }
nav { display: flex; gap: 4px; }
nav a { color: var(--text-2); padding: 6px 10px; border-radius: 8px; font-weight: 500; }
nav a.active { background: var(--surface-2); color: var(--text); }
nav a:hover { text-decoration: none; background: var(--surface-2); }
.top-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: transparent; color: var(--text-2); padding: 5px 10px; cursor: pointer; font: inherit; font-size: 12.5px; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent); color: var(--accent-ink); }
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 6px 12px; border-radius: 8px; cursor: pointer; font: inherit; }
.btn:hover { background: var(--surface-2); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.small { padding: 3px 8px; font-size: 12px; }
.btn.danger { color: var(--critical); }
.icon-btn { border: 0; background: transparent; color: var(--text-2); font-size: 18px; cursor: pointer; }

main { padding: 20px; max-width: 1600px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); margin-top: 2px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); min-width: 0; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mt { margin-top: 16px; }
@media (max-width: 1000px) { .g2, .g3 { grid-template-columns: 1fr; } }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.kpi .label { color: var(--text-2); font-size: 12px; }
.kpi .value { font-size: 26px; font-weight: 650; letter-spacing: -.02em; margin-top: 2px; font-variant-numeric: tabular-nums; }
.kpi .note { color: var(--muted); font-size: 12px; }

/* status */
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.status.online { color: var(--good); background: var(--good-bg); }
.status.offline, .status.down { color: var(--critical); background: var(--critical-bg); }
.status.pending { color: var(--muted); background: var(--surface-2); }
.sev { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 700; padding: 1px 7px; border-radius: 6px; text-transform: uppercase; letter-spacing: .02em; white-space: nowrap; color: var(--text); }
.sev::before { font-size: 10px; }
.sev.critical { background: var(--critical-bg); } .sev.critical::before { content: "■"; color: var(--critical); }
.sev.high { background: var(--serious-bg); } .sev.high::before { content: "▲"; color: var(--serious); }
.sev.medium { background: var(--warning-bg); } .sev.medium::before { content: "●"; color: var(--warning); }
.sev.low, .sev.info { background: var(--surface-2); } .sev.low::before, .sev.info::before { content: "○"; color: var(--muted); }
.pill { background: var(--critical); color: #fff; border-radius: 999px; padding: 0 6px; font-size: 11px; font-weight: 700; margin-left: 4px; }

/* server cards */
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar input, .toolbar select, form.inline input, form.inline select {
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; font: inherit; }
.servers { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.srv { display: block; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; box-shadow: var(--shadow); position: relative; }
.srv:hover { text-decoration: none; border-color: var(--accent); }
.srv .row1 { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.srv .name { font-weight: 650; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.srv .ver { color: var(--muted); font-size: 12px; margin-top: 1px; }
.srv .stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; margin: 12px 0 10px; }
.srv .stats div { background: var(--surface-2); border-radius: 8px; padding: 6px 8px; }
.srv .stats b { display: block; font-size: 16px; font-variant-numeric: tabular-nums; }
.srv .stats span { font-size: 11px; color: var(--text-2); }
.srv .foot { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; gap: 8px; flex-wrap: wrap; }
.threat { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 12px; color: var(--text-2); }
.meter { flex: 1; height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.meter > i { display: block; height: 100%; border-radius: 999px; background: var(--s1); }
.meter.lvl-elevated > i { background: var(--warning); }
.meter.lvl-high > i { background: var(--serious); }
.meter.lvl-severe > i { background: var(--critical); }
.res { display: grid; grid-template-columns: 58px 1fr 36px; gap: 6px; align-items: center; font-size: 11.5px; color: var(--text-2); margin-top: 4px; }
.res .meter { height: 5px; }
.res .meter.warn > i { background: var(--serious); } .res .meter.crit > i { background: var(--critical); }
.badges { display: flex; gap: 4px; flex-wrap: wrap; }

/* tables */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--text-2); font-weight: 600; font-size: 12px; padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 7px 8px; border-bottom: 1px solid var(--grid); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td .sub { color: var(--muted); font-size: 12px; }
.trunc { max-width: 380px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tag { display: inline-block; font-size: 11px; padding: 0 6px; border-radius: 5px; background: var(--surface-2); color: var(--text-2); margin: 1px 2px 1px 0; }
.tag.t-ai_bot { box-shadow: inset 3px 0 0 var(--s7); }
.tag.t-scan_path, .tag.t-scanner_ua { box-shadow: inset 3px 0 0 var(--s2); }
.tag.t-suspicious { display: none; }
.empty { color: var(--muted); padding: 18px 4px; text-align: center; }

/* charts */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .axis text { fill: var(--muted); font-size: 10.5px; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text-2); margin-bottom: 6px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; }
.chart-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.tip { position: fixed; z-index: 50; pointer-events: none; background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 10px; font-size: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.18); min-width: 140px; }
.tip .t { font-weight: 600; margin-bottom: 4px; }
.tip .r { display: flex; justify-content: space-between; gap: 14px; }
.tip i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; }

/* alerts */
.alert-row td:first-child { width: 1%; }
.alert-title { font-weight: 600; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 13px; }
.kv dt { color: var(--text-2); } .kv dd { margin: 0; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(360px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; display: grid; gap: 12px; box-shadow: var(--shadow); text-align: center; }
.login-card label { display: grid; gap: 4px; text-align: left; font-size: 12px; color: var(--text-2); }
.login-card input { padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; }

@media (max-width: 700px) {
  main { padding: 12px 16px; }
  .top { padding: 10px 16px; gap: 10px; }
  .top-right { margin-left: 0; width: 100%; justify-content: space-between; }
  #refreshInfo { display: none; }
  .servers { grid-template-columns: 1fr; }
}

/* storage */
.res.disk .dname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 11px; }
.res.used { grid-template-columns: 1fr 36px; margin: 0; }
.more-drives { font-size: 11px; color: var(--muted); margin: 2px 0 0 64px; }
.spark { display: block; }
table.storage td { vertical-align: middle; }
tr.row-missing td { background: var(--critical-bg); }
.toolbar label { display: inline-flex; gap: 6px; align-items: center; color: var(--text-2); }

/* clickable chart bars */
.chart.clickable .hit { cursor: pointer; }
.banner { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }

/* sign-in */
.btn.google { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 9px 14px; font-weight: 600; }
.btn.google:hover { text-decoration: none; }
.or-sep { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; margin: 6px 0 2px; }
.or-sep::before, .or-sep::after { content: ""; flex: 1; border-top: 1px solid var(--border); }
#pwFields { display: grid; gap: 12px; }
#pwFields.hidden { display: none; }

/* server roles */
.role { display: inline-block; font-size: 10.5px; font-weight: 700; letter-spacing: .02em; text-transform: uppercase; padding: 0 5px; border-radius: 4px; margin-right: 3px; vertical-align: 1px; }
.role.fms { background: var(--surface-2); color: var(--text-2); box-shadow: inset 2px 0 0 var(--s1); }
.role.web { background: var(--surface-2); color: var(--text-2); box-shadow: inset 2px 0 0 var(--s3); }
.tag.t-down { background: var(--critical-bg); color: var(--text); }