:root {
  --bg: #ffffff;
  --fg: #1d2125;
  --muted: #5b636b;
  --line: #d9dde1;
  --accent: #1f5fae;
  --code-bg: #f3f5f7;
  --notice-bg: #fff6dd;
  --notice-line: #e2c26b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181b;
    --fg: #e4e7ea;
    --muted: #9aa3ab;
    --line: #2d3338;
    --accent: #7fb0ec;
    --code-bg: #1f2428;
    --notice-bg: #2c2615;
    --notice-line: #7a6522;
  }
}

* { box-sizing: border-box; }

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

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

.site-header,
main,
.site-footer {
  max-width: 52rem;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.site-name {
  font-weight: 700;
  color: var(--fg);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

main { padding-top: 1.5rem; padding-bottom: 2rem; }

h1, h2, h3 { line-height: 1.25; }

code, pre {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

code { background: var(--code-bg); padding: 0.1em 0.3em; border-radius: 3px; }

pre {
  background: var(--code-bg);
  padding: 0.8rem 1rem;
  border-radius: 4px;
  overflow-x: auto;
}

pre code { background: none; padding: 0; }

table { border-collapse: collapse; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 0.35rem 0.6rem; text-align: left; }
.catalog td { vertical-align: top; }

.notice {
  background: var(--notice-bg);
  border-left: 4px solid var(--notice-line);
  padding: 0.6rem 0.9rem;
}

.listing { list-style: none; padding-left: 0; }
.listing li { padding: 0.15rem 0; }
.size { color: var(--muted); font-size: 0.9em; margin-left: 0.5rem; }

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9em;
  padding-top: 1rem;
  padding-bottom: 2rem;
}