:root {
  --ink: #1d2430;
  --muted: #5b6575;
  --line: #d9dee6;
  --paper: #ffffff;
  --wash: #f4f6f9;
  --accent: #1f5fae;
  --ok: #1d6b3a;
  --warn: #8a5a00;
  --bad: #a3222b;
  color-scheme: light;
}
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--wash); }
a { color: var(--accent); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--paper); padding: 0.5rem; }
header { background: var(--paper); border-bottom: 1px solid var(--line); }
.bar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; max-width: 72rem; margin: 0 auto; padding: 0.75rem 1rem; }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); }
.brand span { font-weight: 400; color: var(--muted); }
.session { display: flex; gap: 0.75rem; align-items: center; margin: 0; }
nav ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; list-style: none; max-width: 72rem; margin: 0 auto; padding: 0 1rem 0.5rem; }
nav a { text-decoration: none; padding: 0.25rem 0; }
nav a[aria-current="page"] { font-weight: 700; border-bottom: 2px solid var(--accent); }
main { max-width: 72rem; margin: 0 auto; padding: 1rem; }
footer { max-width: 72rem; margin: 2rem auto; padding: 0 1rem; color: var(--muted); font-size: 0.9rem; }
h1 { font-size: 1.6rem; margin: 0.5rem 0 1rem; }
h2 { font-size: 1.2rem; margin: 1.75rem 0 0.5rem; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 6px; padding: 1rem 1.25rem; margin: 1rem 0; max-width: 36rem; }
.card h2 { margin-top: 0; }
.muted { color: var(--muted); }
.notice { background: #eef4fb; border-left: 4px solid var(--accent); padding: 0.5rem 0.75rem; }
.error { color: var(--bad); }
p.error { background: #fbeeee; border-left: 4px solid var(--bad); padding: 0.5rem 0.75rem; }
#message:empty { display: none; }
form { margin: 0.5rem 0; }
label { display: inline-flex; flex-direction: column; gap: 0.25rem; margin: 0 1rem 0.5rem 0; }
label.check { flex-direction: row; align-items: center; }
input, select, textarea { font: inherit; padding: 0.35rem 0.5rem; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
button { font: inherit; padding: 0.4rem 0.9rem; border: 1px solid var(--accent); border-radius: 4px; background: var(--accent); color: #fff; cursor: pointer; }
button.quiet, .session button { background: var(--paper); color: var(--accent); }
button.danger { background: var(--bad); border-color: var(--bad); }
.scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--paper); }
th, td { text-align: left; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-size: 0.85rem; color: var(--muted); }
td.empty { color: var(--muted); }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; }
dt { color: var(--muted); }
dd { margin: 0; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9rem; }
pre { background: var(--paper); border: 1px solid var(--line); padding: 0.75rem; overflow-x: auto; }
.tag { display: inline-block; font-size: 0.8rem; padding: 0 0.5rem; border-radius: 999px; border: 1px solid currentColor; }
.tag.ok { color: var(--ok); }
.tag.warn { color: var(--warn); }
.tag.bad { color: var(--bad); }
.tag.quiet { color: var(--muted); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
[hidden] { display: none !important; }
.card.wide { max-width: none; }