:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --panel-2: #f0f2f5;
  --line: #e3e6eb;
  --text: #16181d;
  --muted: #6b7280;
  --faint: #9aa1ad;
  --accent: #2f6fde;
  --accent-2: #8b5cf6;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --ok-bg: #e8f6ee;
  --warn-bg: #fdf3e2;
  --bad-bg: #fdecec;
  --bar: #2f6fde;
  --bar-bg: #e8ecf2;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a20;
    --panel-2: #1e222a;
    --line: #2a2f38;
    --text: #e8eaed;
    --muted: #9aa1ad;
    --faint: #6b7280;
    --accent: #5b8ff0;
    --accent-2: #a78bfa;
    --ok: #34c06b;
    --warn: #f0a429;
    --bad: #f05252;
    --ok-bg: #12261b;
    --warn-bg: #2a2012;
    --bad-bg: #2c1515;
    --bar: #5b8ff0;
    --bar-bg: #262b34;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}
button:hover { border-color: var(--faint); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.num, td.r, .mono { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 12.5px; }

.wrap { max-width: 1320px; margin: 0 auto; padding: 0 16px 48px; }

header.top {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
header.top .wrap { display: flex; align-items: center; gap: 16px; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; font-size: 16px; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--ok); }
.brand .dot.warn { background: var(--warn); }
.brand .dot.down { background: var(--bad); }
.meta { color: var(--muted); font-size: 13px; }
.spacer { flex: 1; }
nav.jump { display: flex; gap: 4px; flex-wrap: wrap; }
nav.jump a { color: var(--muted); padding: 4px 8px; border-radius: 6px; font-size: 13px; }
nav.jump a:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }

section { margin-top: 28px; scroll-margin-top: 70px; }
h2 { font-size: 15px; font-weight: 650; margin: 0 0 10px; display: flex; align-items: baseline; gap: 10px; }
h2 .muted { font-weight: 400; font-size: 13px; }
h3 { font-size: 14px; font-weight: 600; margin: 0; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.pad { padding: 14px 16px; }

.alerts { display: grid; gap: 8px; margin-top: 16px; }
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 10px 14px; border-radius: var(--radius); border: 1px solid transparent; }
.alert.crit { background: var(--bad-bg); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.alert.warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.alert b { font-weight: 600; }
.alert .since { margin-left: auto; white-space: nowrap; color: var(--muted); font-size: 12.5px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.tile { padding: 12px 14px 8px; }
.tile .label { color: var(--muted); font-size: 12.5px; }
.tile .value { font-size: 22px; font-weight: 650; margin-top: 2px; font-variant-numeric: tabular-nums; }
.tile .sub { color: var(--muted); font-size: 12.5px; min-height: 18px; }
.tile svg.spark { display: block; width: 100%; height: 30px; margin-top: 6px; }

.chart-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 8px; }
.legend { display: flex; gap: 14px; font-size: 12.5px; color: var(--muted); flex-wrap: wrap; }
.legend i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 5px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; background: transparent; padding: 4px 10px; color: var(--muted); }
.seg button.on { background: var(--panel-2); color: var(--text); font-weight: 600; }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: 190px; }
.chart .tip { position: absolute; top: 4px; pointer-events: none; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 6px 9px; font-size: 12px; box-shadow: 0 4px 14px rgba(0,0,0,.12); white-space: nowrap; display: none; }
.axis { fill: var(--faint); font-size: 10px; }
.grid { stroke: var(--line); stroke-width: 1; }

.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 520px), 1fr)); gap: 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 380px), 1fr)); gap: 12px; }
.card { padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.card-head { display: flex; align-items: center; gap: 8px; }
.card-head .stats { margin-left: auto; text-align: right; font-size: 12.5px; color: var(--muted); }
.card-head .stats b { color: var(--text); font-size: 14px; font-weight: 600; }
.status { width: 9px; height: 9px; border-radius: 50%; flex: none; background: var(--ok); }
.status.warn { background: var(--warn); }
.status.down { background: var(--bad); }
.status.off { background: var(--faint); }
.rows { display: grid; gap: 4px; }
.row { display: flex; align-items: baseline; gap: 8px; font-size: 13px; min-width: 0; }
.row .k { color: var(--muted); flex: none; width: 74px; font-size: 12.5px; }
.row .v { min-width: 0; overflow-wrap: anywhere; }
.chip { display: inline-flex; align-items: center; gap: 5px; padding: 1px 8px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); font-size: 12px; white-space: nowrap; }
.chip.ok { background: var(--ok-bg); border-color: transparent; color: var(--ok); }
.chip.warn { background: var(--warn-bg); border-color: transparent; color: var(--warn); }
.chip.bad { background: var(--bad-bg); border-color: transparent; color: var(--bad); }
.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.card svg.spark { width: 100%; height: 26px; display: block; }

.bars { display: grid; gap: 7px; }
.bar-row { display: grid; grid-template-columns: minmax(120px, 210px) 1fr 140px; gap: 10px; align-items: center; font-size: 13px; }
.bar-row .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row .name .tag { color: var(--faint); font-size: 11.5px; margin-left: 4px; }
.bar { height: 8px; background: var(--bar-bg); border-radius: 4px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--bar); border-radius: 4px; width: 0; }
.bar.warn > span { background: var(--warn); }
.bar.bad > span { background: var(--bad); }
.bar-row .val { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12.5px; }
.bar-row .val b { color: var(--text); font-weight: 600; }

.stack { display: flex; height: 14px; border-radius: 5px; overflow: hidden; background: var(--bar-bg); margin: 4px 0 10px; }
.stack > span { height: 100%; border-right: 1px solid var(--panel); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; padding: 6px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
td .cmd { color: var(--faint); font-family: var(--mono); font-size: 11.5px; display: block; max-width: min(320px, 60vw); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.hints { display: grid; gap: 8px; }
.hint { display: flex; gap: 10px; padding: 10px 12px; border-radius: 8px; background: var(--panel-2); font-size: 13px; }
.hint .ico { flex: none; }
.hint code { font-family: var(--mono); font-size: 12px; background: var(--panel); border: 1px solid var(--line); padding: 0 5px; border-radius: 4px; }

.events { display: grid; gap: 0; }
.event { display: grid; grid-template-columns: 120px 18px 1fr; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.event:last-child { border-bottom: 0; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; font-size: 13px; }
.kv .k { color: var(--muted); }

dialog { border: 1px solid var(--line); border-radius: 12px; background: var(--panel); color: var(--text); width: min(1000px, 94vw); padding: 0; }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog header { display: flex; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); gap: 10px; }
dialog pre { margin: 0; padding: 12px 16px; max-height: 70vh; overflow: auto; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; word-break: break-all; }

.empty { color: var(--faint); font-size: 13px; padding: 6px 0; }
.loading { padding: 80px 0; text-align: center; color: var(--muted); }

/* вход */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login form { width: min(360px, 100%); padding: 24px; display: grid; gap: 12px; }
.login input { font: inherit; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); }
.login .err { color: var(--bad); font-size: 13px; }

@media (max-width: 640px) {
  .bar-row { grid-template-columns: minmax(90px, 1fr) 70px; }
  .bar-row .bar { display: none; }
  .bar-row .val { grid-column: 2; }
  nav.jump { display: none; }
  .event { grid-template-columns: 90px 18px 1fr; }
  .tile .value { font-size: 19px; }
}

/* цвета линий и сегментов: SVG-атрибуты не понимают var(), поэтому через классы */
.ln { fill: none; stroke-width: 1.6; vector-effect: non-scaling-stroke; stroke-linejoin: round; }
.ln.a { stroke: var(--accent); } .ar.a { fill: var(--accent); }
.ln.b { stroke: var(--accent-2); } .ar.b { fill: var(--accent-2); }
.ln.c { stroke: var(--warn); } .ar.c { fill: var(--warn); }
.ar { opacity: .12; stroke: none; }
.legend i.a { background: var(--accent); } .legend i.b { background: var(--accent-2); } .legend i.c { background: var(--warn); }
.cursor { stroke: var(--faint); stroke-width: 1; vector-effect: non-scaling-stroke; }
.chart .ylab { position: absolute; left: 0; font-size: 10.5px; color: var(--faint); transform: translateY(-50%); }
.chart .xlab { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--faint); margin-top: 4px; }
.chart .plot { margin-left: 34px; position: relative; }
.p0 { background: #2f6fde; } .p1 { background: #8b5cf6; } .p2 { background: #0d9488; } .p3 { background: #ea580c; }
.p4 { background: #db2777; } .p5 { background: #65a30d; } .p6 { background: #ca8a04; } .p7 { background: #0891b2; }
.prest { background: var(--faint); } .pfree { background: transparent; }
.swatch { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 6px; vertical-align: baseline; }
.mt { margin-top: 16px; margin-bottom: 8px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 12px 0; }
.panel.pad > h3 + p { margin: 2px 0 10px; }
.panel.pad > h3 + .bars, .panel.pad > h3 + .kv, .panel.pad > h3 + .hints, .panel.pad > h3 + .chips { margin-top: 10px; }
@media (max-width: 640px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .tile { padding: 10px 12px 6px; }
  .tile .sub { font-size: 11.5px; }
  header.top .meta { display: none; }
  .row .k { width: 56px; }
}
.chip { max-width: 100%; overflow: hidden; text-overflow: ellipsis; }