:root {
  --bg: #ffffff;
  --fg: #1b1f24;
  --muted: #5b6570;
  --line: #e3e7ec;
  --accent: #2f6f4f;
  --code-bg: #f6f8fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --fg: #e6e9ec;
    --muted: #9aa4ae;
    --line: #262c33;
    --accent: #7fc4a0;
    --code-bg: #1b1f24;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header { border-bottom: 1px solid var(--line); }
header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 16px; }
.brand { font-weight: 600; letter-spacing: -0.01em; text-decoration: none; color: var(--fg); }
.brand span { color: var(--accent); }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 14px; }
nav a:hover { color: var(--fg); }
nav a.current { color: var(--fg); }

h1 { font-size: 30px; line-height: 1.25; letter-spacing: -0.02em; margin: 40px 0 12px; }
h2 { font-size: 19px; margin: 36px 0 10px; letter-spacing: -0.01em; }
h3 { font-size: 16px; margin: 24px 0 6px; }
p { margin: 0 0 14px; }
.lead { color: var(--muted); font-size: 17px; }
ul { padding-left: 20px; margin: 0 0 14px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }

pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  overflow-x: auto;
  font: 13px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }

table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; }

.status { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; }
.note { color: var(--muted); font-size: 14px; }

.release { border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 20px; }
.release:last-child { border-bottom: 0; }
.release h3 { margin-top: 0; }
.date { color: var(--muted); font-size: 13px; }

.center { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; }

footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 20px 0 40px; color: var(--muted); font-size: 13px; }