:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6f6d68;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4;
  --band: rgba(137, 135, 129, 0.16);
  --low: #c00000; --low-ink: #ffffff;
  --low2: #f4b6b6; --low2-ink: #0b0b0b;
  --bad-bg: #fbe3e3; --bad-ink: #a32020;
  --good-bg: #dff2df; --good-ink: #006300;
  --warn-bg: #fff1cf; --warn-ink: #7a5200;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #242422;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #9a988f;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181;
    --band: rgba(195, 194, 183, 0.14);
    --low: #e05252; --low-ink: #0b0b0b; --low2: #5a2a2a; --low2-ink: #ffffff;
    --bad-bg: #3a1c1c; --bad-ink: #ff9b9b; --good-bg: #183218; --good-ink: #7fd67f;
    --warn-bg: #3a2e10; --warn-ink: #f2c25a;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #242422;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #9a988f;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181;
  --band: rgba(195, 194, 183, 0.14);
  --low: #e05252; --low-ink: #0b0b0b; --low2: #5a2a2a; --low2-ink: #ffffff;
  --bad-bg: #3a1c1c; --bad-ink: #ff9b9b; --good-bg: #183218; --good-ink: #7fd67f;
  --warn-bg: #3a2e10; --warn-ink: #f2c25a;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); }
body { font-size: 14px; line-height: 1.45; }
button, input, select { font: inherit; color: inherit; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 4px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
[hidden] { display: none !important; }

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; }
.brand svg { width: 22px; height: 22px; fill: var(--accent); }
.badge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--warn-bg); color: var(--warn-ink); }
nav { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }
nav button {
  border: 0; background: none; padding: 7px 11px; border-radius: 8px; cursor: pointer; color: var(--ink-2);
}
nav button:hover { background: var(--surface-2); }
nav button[aria-selected="true"] { background: var(--surface-2); color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent); }
.account { display: flex; gap: 6px; margin-left: auto; }
button.ghost { border: 1px solid var(--border); background: none; border-radius: 8px; padding: 6px 10px; cursor: pointer; color: var(--ink-2); }
button.primary { border: 0; background: var(--accent); color: #fff; border-radius: 8px; padding: 9px 14px; cursor: pointer; font-weight: 600; }

main { padding: 16px; max-width: 1500px; margin: 0 auto; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.narrow { max-width: 440px; margin: 40px auto; }
#loginForm { display: grid; gap: 8px; margin-top: 12px; }
#loginForm input { padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--page); }

.filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; margin-bottom: 14px; }
.filters label { display: grid; gap: 3px; font-size: 12px; color: var(--muted); }
.filters .grow { flex: 1; min-width: 160px; max-width: 280px; }
.filters select, .filters input, .ctl select, .ctl input {
  padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); min-height: 34px;
}

.grid { display: grid; gap: 14px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.tile .k { font-size: 12px; color: var(--muted); }
.tile .v { font-size: 26px; font-weight: 650; margin-top: 2px; }
.tile .d { font-size: 12px; color: var(--ink-2); margin-top: 2px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.ctl { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; font-size: 13px; color: var(--ink-2); }
.ctl input[type="number"] { width: 72px; }

.tablewrap { overflow: auto; max-height: 72vh; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: separate; border-spacing: 0; width: 100%; font-variant-numeric: tabular-nums; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--grid); text-align: left; white-space: nowrap; }
th { position: sticky; top: 0; background: var(--surface-2); font-size: 12px; font-weight: 600; color: var(--ink-2); z-index: 1; cursor: default; }
th.sortable { cursor: pointer; }
th.sortable:hover { color: var(--ink); }
td.num, th.num { text-align: right; }
tbody tr:hover td { background: var(--surface-2); }
td.low { background: var(--low) !important; color: var(--low-ink); font-weight: 650; }
td.low2 { background: var(--low2) !important; color: var(--low2-ink); }
td.na { color: var(--muted); }
td a { color: inherit; text-decoration: none; }
td a:hover { text-decoration: underline; }
.first-col { position: sticky; left: 0; background: var(--surface); z-index: 1; }
th.first-col { z-index: 2; background: var(--surface-2); }

.pill { display: inline-flex; align-items: center; gap: 4px; padding: 1px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; }
.pill.bad { background: var(--bad-bg); color: var(--bad-ink); }
.pill.good { background: var(--good-bg); color: var(--good-ink); }
.pill.warn { background: var(--warn-bg); color: var(--warn-ink); }
.pill.neutral { background: var(--surface-2); color: var(--ink-2); }
.gap-bad { background: var(--bad-bg); color: var(--bad-ink); }
.gap-good { background: var(--good-bg); color: var(--good-ink); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border); background: var(--surface); border-radius: 99px; padding: 4px 10px; cursor: pointer; font-size: 12px; color: var(--ink-2); }
.chip[aria-pressed="true"] { border-color: var(--ink-2); color: var(--ink); font-weight: 600; }
.chip .key { width: 14px; height: 2px; border-radius: 2px; display: inline-block; background: var(--axis); }
.legend-key { display: inline-block; width: 14px; height: 2px; border-radius: 2px; vertical-align: middle; margin-right: 6px; }
.legend-band { display: inline-block; width: 14px; height: 10px; border-radius: 2px; vertical-align: middle; margin-right: 6px; background: var(--band); }

.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .gridline { stroke: var(--grid); stroke-width: 1; }
.chart .axis { stroke: var(--axis); stroke-width: 1; }
.chart text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .label { fill: var(--ink-2); font-size: 11px; }
.chart .hair { stroke: var(--ink-2); stroke-width: 1; }

.tooltip {
  position: fixed; z-index: 50; pointer-events: none; background: var(--surface); color: var(--ink);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 12px;
  box-shadow: 0 6px 24px rgba(0,0,0,.12); min-width: 140px; max-width: 280px;
}
.tooltip .t { color: var(--muted); margin-bottom: 4px; }
.tooltip .r { display: flex; align-items: center; gap: 6px; }
.tooltip .r b { margin-left: auto; padding-left: 12px; }

.row2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
@media (max-width: 900px) { .row2 { grid-template-columns: 1fr; } }
@media (max-width: 640px) {
  main { padding: 12px 16px; }
  .topbar { padding: 8px 16px; }
  nav { order: 3; flex-basis: 100%; overflow-x: auto; flex-wrap: nowrap; }
  .tile .v { font-size: 22px; }
}
.grid > *, .row2 > *, main > * { min-width: 0; }
nav button { white-space: nowrap; }
@media (max-width: 640px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-head { flex-direction: column; align-items: stretch; }
}