:root {
  color-scheme: light dark;
  --violet: #6D28F5;
  --violet-d: #5B21D6;
  --coral: #FF6B6B;
  --ink: #2D1B6B;
  --soft: #6B5F8A;
  --bg: #FFFBF2;
  --card: #FFFFFF;
  --line: #EDE7FF;
  --pill: #F4EFFF;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F2EEFF;
    --soft: #A99FC4;
    --bg: #16112A;
    --card: #211a3d;
    --line: #322a55;
    --pill: #2a2350;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; }

/* ── Hero ───────────────────────────────────────────────── */
.hero { text-align: center; padding: 24px 0 32px; }
.mark {
  width: 76px; height: 76px; margin: 0 auto 14px;
  display: grid; place-items: center;
  font-size: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--coral));
  box-shadow: 0 10px 26px rgba(109, 40, 245, .32);
}
.hero h1 { margin: 0; font-size: 34px; font-weight: 900; letter-spacing: -.5px; }
.hero .sub { margin: 6px 0 0; color: var(--soft); font-size: 15px; }

/* ── Index cards ────────────────────────────────────────── */
.cards { display: grid; gap: 12px; margin: 8px 0 40px; }
.card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 18px; border-radius: 18px;
  background: var(--card); border: 2px solid var(--line);
  text-decoration: none; color: inherit;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--violet); }
.card .ico { font-size: 26px; }
.card .ct { display: flex; flex-direction: column; flex: 1; min-width: 0; }
.card strong { font-size: 16px; font-weight: 800; }
.card em { font-style: normal; font-size: 13px; color: var(--soft); }
.card .arrow { color: var(--violet); font-weight: 900; }

/* ── Document pages ─────────────────────────────────────── */
.doc { background: var(--card); border: 2px solid var(--line);
       border-radius: 22px; padding: 28px 26px; }
.doc h1 { font-size: 28px; margin: 0 0 4px; font-weight: 900; }
.doc h2 { font-size: 19px; margin: 34px 0 10px; font-weight: 800;
          padding-bottom: 8px; border-bottom: 2px solid var(--line); }
.doc h3 { font-size: 15px; margin: 22px 0 6px; font-weight: 800; }
.doc p, .doc li { color: var(--ink); }
.doc a { color: var(--violet); font-weight: 600; }
.updated { color: var(--soft); font-size: 13px; margin: 0 0 8px; }
.lede { color: var(--soft); font-size: 15px; }

.note {
  background: var(--pill); border-left: 4px solid var(--violet);
  border-radius: 0 12px 12px 0; padding: 14px 16px; margin: 18px 0;
  font-size: 14.5px;
}
.note.warn { border-left-color: var(--coral); }
.note strong { display: block; margin-bottom: 4px; }

table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px;
        display: block; overflow-x: auto; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line);
         vertical-align: top; }
th { font-weight: 800; background: var(--pill); white-space: nowrap; }

ol.steps { counter-reset: s; list-style: none; padding: 0; margin: 16px 0; }
ol.steps > li {
  counter-increment: s; position: relative;
  padding: 0 0 16px 42px; margin: 0;
}
ol.steps > li::before {
  content: counter(s); position: absolute; left: 0; top: 0;
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--violet); color: #fff; font-weight: 900; font-size: 14px;
}

.back { display: inline-block; margin-bottom: 18px; color: var(--violet);
        text-decoration: none; font-weight: 700; font-size: 14px; }
.foot { text-align: center; margin-top: 34px; color: var(--soft); font-size: 14px; }
.foot a { color: var(--violet); }
.tiny { font-size: 12px; opacity: .8; }