:root {
  color-scheme: light dark;
  --ink: #14181f;
  --muted: #5a6472;
  --bg: #f7f9fc;
  --card: #ffffff;
  --line: #e3e8f0;
  --accent: #2e9bd6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9edf3;
    --muted: #9aa6b6;
    --bg: #0f1319;
    --card: #161b23;
    --line: #232a35;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 40px 20px 72px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}
main { max-width: 46rem; margin: 0 auto; }
header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
header .mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(160deg, #3aa9e0, #7fd0e8);
  flex: none;
}
header .name { font-weight: 650; font-size: 18px; letter-spacing: -0.01em; }
header .kind { color: var(--muted); font-size: 14px; }
h1 { font-size: 28px; line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 6px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 28px; }
section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
  margin-bottom: 14px;
}
h2 { font-size: 17px; margin: 0 0 10px; letter-spacing: -0.01em; }
p { margin: 0 0 12px; }
p:last-child, ul:last-child { margin-bottom: 0; }
ul { margin: 0 0 12px; padding-left: 20px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
.langs { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.langs a {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 14px;
  text-decoration: none;
  color: var(--muted);
}
.langs a[aria-current="page"] { color: var(--ink); border-color: var(--accent); }
footer { color: var(--muted); font-size: 13px; margin-top: 28px; text-align: center; }