/* Light and dark values for every colour the page uses. Chart series colours
   come from a palette validated for colour-blind readers in both modes. */
:root {
  color-scheme: light;
  --surface: #fcfcfb;
  --surface-sunken: #f3f2ef;
  --text: #121211;
  --text-secondary: #52514e;
  --text-muted: #6f6e69;
  --rule: #dcdad5;
  --grid: #e8e6e1;
  --link: #1c5cab;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --series-muted: #a8a69f;
  --none: #d6d4ce;
  --urgent: #b42318;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --surface: #1a1a19;
    --surface-sunken: #232321;
    --text: #f2f1ed;
    --text-secondary: #c3c2b7;
    --text-muted: #9a998f;
    --rule: #3a3a37;
    --grid: #2e2e2b;
    --link: #86b6ef;
    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-muted: #77766f;
    --none: #4a4a46;
    --urgent: #f97066;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--surface);
  color: var(--text);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}

h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  max-width: 18ch;
}

h2 {
  font-size: 1.45rem;
  line-height: 1.25;
  margin: 0 0 12px;
}

p { margin: 0 0 14px; max-width: 68ch; }

.lede { font-size: 1.15rem; color: var(--text-secondary); }
.meta, .note, figcaption { color: var(--text-muted); font-size: 0.875rem; }

a { color: var(--link); text-underline-offset: 2px; }

section {
  padding-top: 36px;
  margin-top: 36px;
  border-top: 1px solid var(--rule);
}

strong.figure { font-variant-numeric: tabular-nums; }

figure { margin: 20px 0 16px; }
figcaption { margin-top: 8px; max-width: 68ch; }

.chart { width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--text-secondary); font-size: 12px; font-variant-numeric: tabular-nums; }
.chart .label { fill: var(--text); font-size: 12.5px; }
.chart .axis line, .chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .baseline { stroke: var(--rule); }
.chart .crosshair { stroke: var(--text-muted); stroke-width: 1; stroke-dasharray: 3 3; }

.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 10px; padding: 0; list-style: none; font-size: 0.875rem; color: var(--text-secondary); }
.legend li { display: flex; align-items: center; gap: 6px; }
.legend .key { width: 14px; height: 10px; border-radius: 2px; }
.legend .key.line { height: 3px; border-radius: 2px; }

.tooltip {
  position: fixed;
  z-index: 10;
  pointer-events: none;
  background: var(--text);
  color: var(--surface);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.8125rem;
  line-height: 1.45;
  max-width: 280px;
  font-variant-numeric: tabular-nums;
}
.tooltip .row { display: flex; align-items: center; gap: 8px; }
.tooltip .swatch { width: 10px; height: 3px; border-radius: 2px; flex: none; }

details { margin: 8px 0 12px; }
summary { cursor: pointer; color: var(--link); font-size: 0.9375rem; }

.table-wrap { overflow-x: auto; margin: 12px 0; }

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}
caption { text-align: left; color: var(--text-muted); font-size: 0.8125rem; padding-bottom: 6px; }
th, td { padding: 7px 10px 7px 0; text-align: left; vertical-align: top; border-bottom: 1px solid var(--grid); }
th { color: var(--text-secondary); font-weight: 600; border-bottom-color: var(--rule); white-space: nowrap; }
td.num, th.num { text-align: right; padding-right: 18px; padding-left: 10px; }
td.nowrap { white-space: nowrap; }
td.cve { font-family: ui-monospace, "SFMono-Regular", Consolas, Menlo, monospace; white-space: nowrap; }
td.why { color: var(--text-secondary); min-width: 260px; }
td.urgent { color: var(--urgent); font-weight: 600; }
tr.ours td:first-child { font-weight: 600; }

.switch { display: inline-flex; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; margin: 4px 0 4px; }
.switch button {
  font: inherit; font-size: 0.875rem;
  background: transparent; color: var(--text-secondary);
  border: 0; padding: 6px 14px; cursor: pointer;
}
.switch button + button { border-left: 1px solid var(--rule); }
.switch button[aria-pressed="true"] { background: var(--surface-sunken); color: var(--text); font-weight: 600; }
.switch button:focus-visible, summary:focus-visible, a:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }

.upgrade { margin: 14px 0; }
.upgrade h3 { font-size: 1rem; margin: 22px 0 6px; }
.upgrade ol { margin: 0; padding-left: 1.25rem; }
.upgrade li { margin: 6px 0; }
.upgrade .detail { color: var(--text-secondary); font-size: 0.875rem; }

footer { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--text-muted); font-size: 0.8125rem; }

@media (max-width: 560px) {
  main { padding-top: 28px; }
  section { padding-top: 28px; margin-top: 28px; }
}