:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #202124;
  background: #f7f8fa;
}

* { box-sizing: border-box; }
body { margin: 0; }
header, main, footer { width: min(52rem, calc(100% - 2rem)); margin-inline: auto; }
header { padding: 2.5rem 0 1rem; }
main { background: #fff; border: 1px solid #dfe3e8; border-radius: .75rem; padding: clamp(1.25rem, 4vw, 2.5rem); }
footer { padding: 1.5rem 0 3rem; color: #5f6368; font-size: .9rem; }
h1 { line-height: 1.2; margin: 0 0 .5rem; }
h2 { line-height: 1.3; margin-top: 2rem; }
h3 { margin-top: 1.5rem; }
a { color: #174ea6; }
nav { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1rem; }
.lede, .meta, .status { color: #5f6368; }
.cards { display: grid; gap: 1rem; margin-top: 1.5rem; }
.card { display: block; border: 1px solid #dfe3e8; border-radius: .5rem; padding: 1rem; text-decoration: none; color: inherit; }
.card:hover, .card:focus-visible { border-color: #174ea6; }
button { font: inherit; border: 0; border-radius: .35rem; padding: .7rem 1rem; background: #174ea6; color: #fff; cursor: pointer; }
button.danger { background: #b3261e; }
button:disabled { opacity: .55; cursor: not-allowed; }
input[type="text"] { display: block; width: 100%; max-width: 24rem; padding: .65rem; font: inherit; border: 1px solid #777; border-radius: .3rem; margin: .35rem 0 1rem; }
label { display: block; margin: 1rem 0; }
.panel { border: 1px solid #dfe3e8; border-radius: .5rem; padding: 1rem; margin: 1rem 0; }
.warning { border-left: .3rem solid #b3261e; padding-left: 1rem; }
.status { min-height: 1.6rem; }
.status.error { color: #b3261e; }
.status.success { color: #137333; }
code { background: #f1f3f4; padding: .1rem .25rem; }
ul, ol { padding-left: 1.35rem; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }