:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --panel: #ffffff;
  --text: #151827;
  --muted: #687084;
  --line: #e4e7ef;
  --accent: #4f46e5;
  --accent-dark: #3730a3;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  padding: 28px;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 22px 60px rgba(25, 31, 56, 0.12);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: var(--text);
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  display: block;
  border-radius: 11px;
}

h1 {
  margin: 0 0 10px;
  font-size: 30px;
  line-height: 1.2;
  letter-spacing: 0;
}

h2 {
  margin: 28px 0 8px;
  font-size: 18px;
  line-height: 1.25;
}

h3 {
  margin: 18px 0 6px;
  font-size: 15px;
  line-height: 1.35;
}

p { margin: 0 0 12px; }

ul, ol { padding-left: 22px; }

li + li { margin-top: 6px; }

a {
  color: var(--accent);
  font-weight: 700;
}

a:hover { color: var(--accent-dark); }

.muted { color: var(--muted); }

.topic-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 8px;
}

.topic-nav a {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8fafc;
  text-decoration: none;
  font-size: 12px;
}

code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #eef2ff;
  color: #3730a3;
  font-size: .9em;
}

.support-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.support-cta:hover { color: #fff; background: var(--accent-dark); }

.safety-note {
  margin-top: 20px;
  padding: 14px 16px;
  border: 1px solid #f1c5bd;
  border-radius: 10px;
  background: #fff5f3;
  color: #7a271a;
}

@media (max-width: 560px) {
  body { padding: 14px; }
  .page { padding: 24px 20px; }
  h1 { font-size: 26px; }
}