:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #9198a1;
  --purple: #a78bfa;
  --purple-strong: #8b5cf6;
  --green: #2ecc9a;
  --link: #a78bfa;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #ffffff;
    --surface: #f6f8fa;
    --border: #d0d7de;
    --text: #1f2328;
    --muted: #59636e;
    --purple: #6d28d9;
    --purple-strong: #7c3aed;
    --green: #0f7b5a;
    --link: #6d28d9;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--link); }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
code, pre { font-family: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace; }
code { background: var(--surface); border: 1px solid var(--border); border-radius: 6px; padding: 0.1em 0.4em; font-size: 0.9em; }
pre { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 1rem; overflow-x: auto; }
pre code { background: none; border: 0; padding: 0; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header.site { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
header.site a.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
header.site img { width: 36px; height: 36px; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
.hero { text-align: center; padding: 48px 0 32px; }
.hero img { width: 180px; height: auto; }
.hero h1 { font-size: clamp(2.2rem, 7vw, 3.4rem); margin: 16px 0 8px; color: var(--purple); }
.hero p.lead { font-size: 1.25rem; color: var(--muted); max-width: 34rem; margin: 0 auto 28px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.button { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid var(--border); color: var(--text); background: var(--surface); }
.button.primary { background: var(--purple-strong); border-color: var(--purple-strong); color: #fff; }
.button.disabled { opacity: 0.6; }
.note { color: var(--muted); font-size: 0.9rem; margin-top: 14px; }
section { padding: 32px 0; border-top: 1px solid var(--border); }
h2 { font-size: 1.6rem; margin: 0 0 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; color: var(--green); }
.card p { margin: 0; color: var(--muted); }
ol.steps { padding-left: 1.2rem; }
ol.steps li { margin-bottom: 10px; }
footer { border-top: 1px solid var(--border); padding: 28px 0 48px; color: var(--muted); font-size: 0.92rem; }
footer a { color: var(--muted); }
main.doc { padding-bottom: 32px; }
main.doc h1 { color: var(--purple); }
main.doc h2 { margin-top: 32px; font-size: 1.3rem; }
.shots { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; border-top: 0; }
.shots img { width: 240px; max-width: 45%; height: auto; border-radius: 24px; border: 1px solid var(--border); }
pre { position: relative; }
button.copy { display: block; margin: -8px 0 12px auto; font: inherit; font-size: 0.8rem; padding: 2px 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg); color: var(--text); cursor: pointer; }
button.copy:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
#security ul { padding-left: 1.2rem; }
#security li { margin-bottom: 8px; }