:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6f6d68;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --ring: rgba(11, 11, 11, 0.10);
  --track: #ecebe6;
  --s1: #2a78d6; /* measured CPU */
  --s2: #eb6834; /* reserved */
  --s3: #1baf7a; /* measured GPU */
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --good-ink: #006300;
  --bad-ink: #b02a2a;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #9a9890;
    --grid: #2c2c2a;
    --axis: #383835;
    --ring: rgba(255, 255, 255, 0.10);
    --track: #262624;
    --s1: #3987e5;
    --s2: #d95926;
    --s3: #199e70;
    --good-ink: #0ca30c;
    --bad-ink: #e66767;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #f0efec;
  --ink-2: #c3c2b7;
  --muted: #9a9890;
  --grid: #2c2c2a;
  --axis: #383835;
  --ring: rgba(255, 255, 255, 0.10);
  --track: #262624;
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --good-ink: #0ca30c;
  --bad-ink: #e66767;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: 0 16px 32px;
  max-width: 1400px;
  margin: 0 auto;
}
h1 { font-size: 22px; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0; }
.sub, .hint { color: var(--ink-2); margin: 4px 0 0; }
.hint { font-size: 13px; max-width: 80ch; }
.hidden { display: none !important; }
.top { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; padding: 20px 0 16px; flex-wrap: wrap; }
.meta { color: var(--ink-2); font-size: 13px; text-align: right; }
.meta .pill { margin-left: 6px; }

main, .panel, .mcard { min-width: 0; }
.panel { background: var(--surface); border: 1px solid var(--ring); border-radius: 10px; padding: 16px; margin-top: 16px; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.panel-head .hint { flex-basis: 100%; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr)); gap: 12px; margin-top: 4px; }
.tile { background: var(--surface); border: 1px solid var(--ring); border-radius: 10px; padding: 12px 14px; }
.tile .k { color: var(--ink-2); font-size: 12px; }
.tile .v { font-size: 24px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 2px; }
.tile .d { color: var(--muted); font-size: 12px; }

.machines { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr)); gap: 12px; }
.mcard { border: 1px solid var(--ring); border-radius: 8px; padding: 12px; background: var(--surface); }
.mcard h3 { font-size: 15px; margin: 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mcard .os { color: var(--muted); font-size: 12px; font-weight: 400; }
.mcard .desc { color: var(--ink-2); font-size: 12px; margin: 2px 0 8px; }
.row { margin-top: 8px; }
.row .lab { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-2); gap: 8px; }
.row .lab b { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.bar { position: relative; height: 8px; background: var(--track); border-radius: 4px; margin-top: 3px; overflow: hidden; }
.bar > span { position: absolute; top: 0; bottom: 0; left: 0; border-radius: 4px; }
.bar .res { background: var(--s2); }
.bar .meas { background: var(--s1); }
.bar .gpu { background: var(--s3); }
.notes { margin: 8px 0 0; padding-left: 16px; color: var(--muted); font-size: 12px; }

.pill { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--ring); color: var(--ink-2); white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.pill.good::before { background: var(--good); }
.pill.warning::before { background: var(--warning); }
.pill.serious::before { background: var(--serious); }
.pill.critical::before { background: var(--critical); }
.pill.excl::before { background: var(--s2); }
.bad { color: var(--bad-ink); }

.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { color: var(--ink-2); font-weight: 600; font-size: 12px; white-space: nowrap; }
td .sub { color: var(--muted); font-size: 12px; margin-top: 2px; overflow-wrap: anywhere; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td code { font-size: 12px; }
.empty { color: var(--muted); padding: 10px 8px; }

.controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
select, input, button { font: inherit; color: var(--ink); }
select, input { background: var(--surface); border: 1px solid var(--axis); border-radius: 6px; padding: 4px 8px; }
button { background: var(--surface); border: 1px solid var(--axis); border-radius: 6px; padding: 4px 10px; cursor: pointer; }
button.ghost { border-color: transparent; color: var(--ink-2); }
button.ghost[aria-pressed="true"] { color: var(--ink); border-color: var(--axis); }
.seg { display: inline-flex; border: 1px solid var(--axis); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; padding: 4px 10px; }
.seg button + button { border-left: 1px solid var(--axis); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--surface); }
.login { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.login input { min-width: 260px; flex: 1; }

.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .axis { stroke: var(--axis); stroke-width: 1; }
.chart text { fill: var(--muted); font-size: 11px; }
.chart text.dl { font-weight: 600; fill: var(--ink-2); }
.chart .l1 { stroke: var(--s1); }
.chart .l2 { stroke: var(--s2); }
.chart .l3 { stroke: var(--s3); }
.chart path.line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart path.area2 { fill: var(--s2); opacity: 0.14; stroke: none; }
.chart .cross { stroke: var(--axis); stroke-width: 1; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); margin: 4px 0 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { display: inline-block; width: 16px; height: 2px; border-radius: 1px; }
.legend i.k1 { background: var(--s1); }
.legend i.k2 { background: var(--s2); }
.legend i.k3 { background: var(--s3); }

.tooltip { position: fixed; z-index: 10; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--ring);
  border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,0.15); padding: 8px 10px; font-size: 12px; min-width: 160px; }
.tooltip .t { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .r { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.tooltip .r b { font-variant-numeric: tabular-nums; }
.tooltip .r span { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); }
.tooltip i { display: inline-block; width: 12px; height: 2px; }
.tooltip i.k1 { background: var(--s1); } .tooltip i.k2 { background: var(--s2); } .tooltip i.k3 { background: var(--s3); }
.foot { color: var(--muted); font-size: 12px; margin-top: 16px; }

@media (max-width: 520px) {
  .machines { grid-template-columns: 1fr; }
  .meta { text-align: left; }
}