:root {
  color-scheme: light;
  --surface: #fcfcfb;
  --surface-2: #f3f2ef;
  --grid: #e6e5e0;
  --text: #0b0b0b;
  --text-2: #52514e;
  --text-3: #7a7974;
  --s1: #2a78d6;
  --s2: #eb6834;
  --s3: #1baf7a;
  --accent: #eb6834;
  --heat-0: #f3f2ef;
  --heat-1: #cde2fb;
  --heat-2: #9ec5f4;
  --heat-3: #6da7ec;
  --heat-4: #3987e5;
  --heat-5: #256abf;
  --heat-6: #184f95;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface: #1a1a19;
    --surface-2: #262624;
    --grid: #343432;
    --text: #f0efec;
    --text-2: #c3c2b7;
    --text-3: #93928a;
    --s1: #3987e5;
    --s2: #d95926;
    --s3: #199e70;
    --accent: #d95926;
    --heat-0: #262624;
    --heat-1: #0d366b;
    --heat-2: #104281;
    --heat-3: #1c5cab;
    --heat-4: #2a78d6;
    --heat-5: #5598e7;
    --heat-6: #9ec5f4;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface: #1a1a19;
  --surface-2: #262624;
  --grid: #343432;
  --text: #f0efec;
  --text-2: #c3c2b7;
  --text-3: #93928a;
  --s1: #3987e5;
  --s2: #d95926;
  --s3: #199e70;
  --accent: #d95926;
  --heat-0: #262624;
  --heat-1: #0d366b;
  --heat-2: #104281;
  --heat-3: #1c5cab;
  --heat-4: #2a78d6;
  --heat-5: #5598e7;
  --heat-6: #9ec5f4;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 1040px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 28px; margin: 0 0 4px; font-weight: 650; letter-spacing: -0.01em; }
h2 { font-size: 17px; margin: 0 0 4px; font-weight: 600; }
.sub { margin: 0; color: var(--text-2); max-width: 60ch; }
.meta { margin: 0; color: var(--text-3); font-size: 13px; }
.top { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; align-items: flex-end; margin-bottom: 20px; }
section { margin-top: 40px; }
.hint { margin: 0 0 12px; color: var(--text-3); font-size: 13px; max-width: 75ch; }
code { font-size: 12px; background: var(--surface-2); padding: 1px 4px; border-radius: 4px; }
a { color: var(--s1); }
footer { margin-top: 56px; color: var(--text-3); font-size: 13px; }

.chips, .row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
button, select, textarea {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--grid); border-radius: 8px;
}
button { padding: 6px 14px; cursor: pointer; }
button:hover { background: var(--surface-2); }
button[aria-pressed="true"] { background: var(--text); color: var(--surface); border-color: var(--text); }
button.primary { background: var(--text); color: var(--surface); border-color: var(--text); }
select { padding: 6px 10px; max-width: 100%; }
label { color: var(--text-2); font-size: 13px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 24px; margin-top: 28px; }
.tile .label { color: var(--text-2); font-size: 13px; }
.tile .value { font-size: 30px; font-weight: 600; line-height: 1.2; }
.tile .delta { color: var(--text-3); font-size: 13px; }

.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart + .chart { margin-top: 20px; }
.axis text, .label-text { fill: var(--text-3); font-size: 11px; }
.axis-title { fill: var(--text-2); font-size: 12px; }
.gridline { stroke: var(--grid); stroke-width: 1; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 13px; color: var(--text-2); margin-bottom: 6px; }
.legend i { display: inline-block; width: 12px; height: 3px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
.chart-empty { color: var(--text-3); font-size: 14px; padding: 24px 0; }

.heat-wrap { overflow-x: auto; }
.heat { border-collapse: separate; border-spacing: 2px; font-size: 12px; }
.heat th { color: var(--text-2); font-weight: 500; text-align: right; padding-right: 8px; white-space: nowrap; position: sticky; left: 0; background: var(--surface); }
.heat thead th { text-align: left; color: var(--text-3); font-weight: 400; position: static; }
.heat td { width: 18px; min-width: 18px; height: 18px; border-radius: 3px; }

.table-wrap { overflow-x: auto; }
table.data { border-collapse: collapse; font-size: 13px; width: 100%; }
table.data th, table.data td { text-align: left; padding: 6px 12px 6px 0; border-bottom: 1px solid var(--grid); white-space: nowrap; }
table.data th { color: var(--text-2); font-weight: 600; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
details { margin-top: 12px; }
summary { cursor: pointer; color: var(--text-2); font-size: 14px; }

textarea { width: 100%; padding: 10px; font: 13px/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace; margin: 4px 0 8px; }
.sql-label { display: block; margin-top: 20px; }

.empty { margin-top: 40px; padding: 32px 0; color: var(--text-2); max-width: 60ch; }

.tip {
  position: fixed; z-index: 10; pointer-events: none;
  background: var(--text); color: var(--surface);
  padding: 6px 10px; border-radius: 6px; font-size: 12px; line-height: 1.4;
  max-width: 260px;
}
.tip b { font-weight: 600; }