:root {
  --green: #1e5b4b;
  --green-dark: #164536;
  --mint: #e2f0e8;
  --ink: #1b1f1d;
  --muted: #5d6662;
  --line: #e3e1db;
  --bg: #ffffff;
  --panel: #f4f3ef;
}
@media (prefers-color-scheme: dark) {
  :root {
    --green: #7fc4ac;
    --green-dark: #0f2f25;
    --mint: #1d3a31;
    --ink: #e8ece9;
    --muted: #a3ada8;
    --line: #2f3a35;
    --bg: #121614;
    --panel: #1a201d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
header {
  background: var(--green-dark);
  color: #fff;
  padding: 18px 16px;
}
header a { color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; }
main { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 30px; line-height: 1.25; margin: 8px 0 4px; }
h2 { font-size: 22px; margin: 36px 0 8px; padding-top: 12px; border-top: 1px solid var(--line); }
h3 { font-size: 18px; margin: 24px 0 6px; }
a { color: var(--green); }
.muted { color: var(--muted); }
.note { background: var(--mint); border-radius: 10px; padding: 14px 16px; margin: 16px 0; }
.steps { background: var(--panel); border-radius: 10px; padding: 14px 16px 14px 36px; }
.table { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 8px 0; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line); }
th { background: var(--panel); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
footer { max-width: 720px; margin: 0 auto; padding: 0 16px 32px; font-size: 14px; color: var(--muted); }
footer a { margin-right: 16px; }