:root {
  --bg: #f7f7fb;
  --card: #ffffff;
  --text: #16161d;
  --muted: #5d5d6e;
  --line: #e4e4ee;
  --accent: #6c4cf5;
  --accent-soft: #efeafe;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101015;
    --card: #1a1a22;
    --text: #ececf3;
    --muted: #a3a3b5;
    --line: #2b2b37;
    --accent: #9b85ff;
    --accent-soft: #241f3d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PT Sans", Arial, sans-serif;
}
a { color: var(--accent); }
header, main, footer { max-width: 820px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 20px; padding-bottom: 8px; flex-wrap: wrap; }
.logo { font-weight: 800; font-size: 20px; color: var(--text); text-decoration: none; letter-spacing: .2px; }
.logo span { color: var(--accent); }
nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }
main { padding-top: 12px; padding-bottom: 40px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px 20px; margin: 16px 0; }
h1 { font-size: 28px; line-height: 1.25; margin: 18px 0 6px; }
h2 { font-size: 19px; margin: 26px 0 8px; }
h3 { font-size: 16px; margin: 18px 0 6px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 14px; }
.lead { font-size: 18px; color: var(--muted); }
ul, ol { padding-left: 22px; }
li { margin: 4px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 10px 0; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.table-wrap { overflow-x: auto; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 11px 18px; border-radius: 999px; text-decoration: none; font-weight: 600; }
.pill { display: inline-block; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 3px 10px; font-size: 13px; font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.grid .card { margin: 0; }
footer { border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 28px; font-size: 13px; color: var(--muted); }
footer a { color: var(--muted); }