:root {
  --ink: #14161a;
  --muted: #5b6270;
  --line: #dfe3ea;
  --bg: #ffffff;
  --accent: #183bce;
  --pass: #1a7f4b;
  --fail: #b3261e;
  --warn: #8a6100;
  --unknown: #5b6270;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.wrap { max-width: 46rem; margin: 0 auto; padding: 1.5rem 1.25rem; }

header.wrap { border-bottom: 1px solid var(--line); }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .75rem;
  color: var(--muted);
  margin: 0 0 .5rem;
}

.eyebrow a { color: inherit; text-decoration: none; }

h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 .5rem; }
h3 { font-size: 1rem; margin: 0 0 .25rem; display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }

.lead { font-size: 1.05rem; color: var(--ink); }
.meta, .small { color: var(--muted); font-size: .85rem; }
.boundary { color: var(--muted); font-size: .9rem; border-left: 3px solid var(--line); padding-left: .75rem; }

a { color: var(--accent); }

form.check {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 1.5rem 0;
}

label { display: block; font-weight: 600; margin-bottom: .5rem; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; }

input[type=text] {
  flex: 1 1 16rem;
  padding: .7rem .8rem;
  font-size: 1rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}

button {
  padding: .7rem 1.1rem;
  font-size: 1rem;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

.results { list-style: none; padding: 0; margin: 0; }

.result {
  border-top: 1px solid var(--line);
  padding: .9rem 0;
}

.num { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .85rem; }

.badge {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: .15rem .45rem;
  border-radius: 999px;
  border: 1px solid currentColor;
}

.badge.pass { color: var(--pass); }
.badge.fail { color: var(--fail); }
.badge.warn { color: var(--warn); }
.badge.unknown { color: var(--unknown); }

.detail { margin: .25rem 0; }

.basis { margin: .25rem 0; }

.tag {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .1rem .4rem;
  margin-right: .3rem;
}

.evidence { margin: .4rem 0 0; padding-left: 1.1rem; color: var(--muted); font-size: .88rem; }
.evidence code { font-size: .85rem; }

.counts { color: var(--muted); font-size: .9rem; }

.actions { padding-left: 1.1rem; }
.actions li { margin-bottom: .35rem; }

footer.wrap { border-top: 1px solid var(--line); margin-top: 2rem; }

code {
  background: #f4f6f9;
  padding: .1rem .3rem;
  border-radius: 4px;
  font-size: .9em;
}