:root {
  --bg: #16152b;
  --bg-2: #1a1832;
  --card: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.14);
  --text: #f4efe9;
  --muted: #b8b2c9;
  --accent: #4cd1c6;
  --lilac: #b9a6f2;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fff8f0;
    --bg-2: #f3ecfb;
    --card: rgba(255, 255, 255, 0.8);
    --border: rgba(22, 21, 43, 0.14);
    --text: #16152b;
    --muted: #4d4966;
    --accent: #0b6e66;
    --lilac: #5a3fb8;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  background-image: linear-gradient(180deg, var(--bg-2), var(--bg) 420px);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 24px 16px 64px; }
header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.brand { font-weight: 800; font-size: 1.25rem; color: var(--text); text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: 8px; }
nav a {
  color: var(--text); text-decoration: none; padding: 6px 12px;
  border: 1px solid var(--border); border-radius: 999px; font-size: 0.9rem;
}
nav a[aria-current="page"] { border-color: var(--accent); color: var(--accent); }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 1.3rem; margin: 32px 0 8px; color: var(--lilac); }
p, li { color: var(--text); }
.lead { color: var(--muted); font-size: 1.1rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 16px 20px; margin: 16px 0; }
a { color: var(--accent); }
ul { padding-left: 1.2rem; }
details { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; margin: 10px 0; }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 8px 0 0; }
.meta { color: var(--muted); font-size: 0.9rem; }
footer { margin-top: 48px; color: var(--muted); font-size: 0.9rem; border-top: 1px solid var(--border); padding-top: 16px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }