/* Обзервинг — токены темы на :root; тёмная тема выбрана отдельно, а не инвертирована. */
:root {
  color-scheme: light;
  --surface-0: #f4f4f2;
  --surface-1: #fcfcfb;
  --surface-2: #efeeeb;
  --border: #dddcd7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #77766f;
  --accent: #2a78d6;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --grid: #e7e6e1;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --row-hover: #f1f0ec;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-0: #121211;
    --surface-1: #1a1a19;
    --surface-2: #242422;
    --border: #34342f;
    --text-primary: #f0efec;
    --text-secondary: #c3c2b7;
    --text-muted: #96958c;
    --accent: #3987e5;
    --series-1: #3987e5;
    --series-2: #d95926;
    --grid: #2b2b28;
    --row-hover: #222220;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #121211;
  --surface-1: #1a1a19;
  --surface-2: #242422;
  --border: #34342f;
  --text-primary: #f0efec;
  --text-secondary: #c3c2b7;
  --text-muted: #96958c;
  --accent: #3987e5;
  --series-1: #3987e5;
  --series-2: #d95926;
  --grid: #2b2b28;
  --row-hover: #222220;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--surface-0); color: var(--text-primary); font: 14px/1.45 var(--sans); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
h1 { font-size: 20px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 18px 0 10px; }
h3 { font-size: 14px; margin: 14px 0 8px; color: var(--text-secondary); }
.muted { color: var(--text-muted); }
.secondary { color: var(--text-secondary); }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.nowrap { white-space: nowrap; }
.break { word-break: break-all; }

.topbar { display: flex; gap: 16px; align-items: center; padding: 10px 16px; background: var(--surface-1);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; flex-wrap: wrap; }
.brand { font-weight: 700; color: var(--text-primary); }
#nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
#nav a { padding: 6px 10px; border-radius: 6px; color: var(--text-secondary); }
#nav a.active { background: var(--surface-2); color: var(--text-primary); }
#nav a:hover { text-decoration: none; background: var(--surface-2); }
.who { display: flex; gap: 8px; align-items: center; color: var(--text-muted); font-size: 13px; }

main { padding: 16px; max-width: 1500px; margin: 0 auto; }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; margin-bottom: 14px; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); margin-bottom: 14px; }
.tile { background: var(--surface-1); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.tile .label { color: var(--text-secondary); font-size: 12.5px; }
.tile .value { font-size: 24px; font-weight: 650; font-variant-numeric: tabular-nums; margin-top: 2px; }
.tile .sub { color: var(--text-muted); font-size: 12px; margin-top: 2px; }

.btn { font: inherit; padding: 6px 12px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface-1);
  color: var(--text-primary); cursor: pointer; display: inline-block; }
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--text-secondary); }
.btn.small { padding: 2px 8px; font-size: 12.5px; }
.btn.on { background: var(--surface-2); border-color: var(--text-muted); font-weight: 600; }
.btn.wide { display: block; text-align: center; width: 100%; margin: 12px 0; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.filters select, .filters input { font: inherit; padding: 5px 8px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface-1); color: var(--text-primary); }
.filters input[type=search] { min-width: 220px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg button { font: inherit; border: 0; background: var(--surface-1); color: var(--text-secondary); padding: 5px 10px; cursor: pointer; }
.seg button.on { background: var(--surface-2); color: var(--text-primary); font-weight: 600; }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--surface-1); }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { font-size: 12px; color: var(--text-secondary); font-weight: 600; white-space: nowrap; position: sticky; top: 0; background: var(--surface-1); }
tbody tr:hover { background: var(--row-hover); }
tr.marked td { opacity: .62; }
td .sym { font-weight: 650; }
.pill { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border);
  color: var(--text-secondary); margin: 1px 3px 1px 0; white-space: nowrap; }
.pill.warn { border-color: var(--serious); }
.pill.bad { border-color: var(--critical); color: var(--critical); }
.pill.good { border-color: var(--good); }
.status { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.status::before { content: ""; width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--text-muted); }
.status.ok::before { background: var(--good); }
.status.warn::before { background: var(--warning); }
.status.err::before { background: var(--critical); }
.alert { border: 1px solid var(--critical); border-radius: 6px; padding: 8px 10px; }
.note { border-left: 3px solid var(--border); padding: 4px 10px; color: var(--text-secondary); }
.pager { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; }
.kv dt { color: var(--text-secondary); }
.kv dd { margin: 0; }
.cols { display: grid; gap: 14px; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
@media (max-width: 900px) { .cols { grid-template-columns: 1fr; } }
.marks { display: flex; gap: 4px; flex-wrap: wrap; }

/* chart */
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .axis text { fill: var(--text-muted); font-size: 11px; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .s1 { stroke: var(--series-1); }
.chart .s2 { stroke: var(--series-2); }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .ev line { stroke: var(--text-secondary); stroke-dasharray: 3 3; stroke-width: 1; }
.chart .ev text { fill: var(--text-secondary); font-size: 11px; }
.chart .cross { stroke: var(--text-muted); stroke-width: 1; }
.legend { display: flex; gap: 14px; font-size: 12.5px; color: var(--text-secondary); margin: 4px 0 6px; }
.legend .key { display: inline-block; width: 16px; height: 2px; vertical-align: middle; margin-right: 6px; }
.k1 { background: var(--series-1); }
.k2 { background: var(--series-2); }
.tooltip { position: fixed; pointer-events: none; background: var(--surface-1); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 9px; font-size: 12.5px; box-shadow: 0 2px 10px rgba(0,0,0,.12); z-index: 20; }
.tooltip .v { font-weight: 650; font-variant-numeric: tabular-nums; }
.tooltip .k { display: inline-block; width: 12px; height: 2px; vertical-align: middle; margin-right: 6px; }

/* login */
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 24px; max-width: 420px; width: 100%; }
.token-form label { display: block; color: var(--text-secondary); margin: 14px 0 6px; }
.token-form input { width: 100%; font: inherit; padding: 7px 9px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface-1); color: var(--text-primary); margin-top: 6px; }
.token-form .btn { margin-top: 10px; }
.mark-select { font: inherit; font-size: 12.5px; padding: 3px 6px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface-1); color: var(--text-primary); }
td.labels { max-width: 300px; }
td.labels .pill { white-space: normal; }