:root {
  color-scheme: light;
  --background: #ffffff;
  --surface: #f5f5f5;
  --border: #d8d8d8;
  --text: #1f1f1f;
  --muted: #5f5f5f;
  --link: #174c7c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

.site-header,
.site-footer {
  background: var(--surface);
  border-color: var(--border);
  border-style: solid;
  border-width: 0 0 1px;
}

.site-footer {
  border-width: 1px 0 0;
  color: var(--muted);
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 1rem;
}

.site-title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

nav ul,
.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.5rem 1rem 2.5rem;
}

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

h1 {
  margin-top: 0;
  font-size: 1.8rem;
}

h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

th,
td {
  padding: 0.55rem;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--surface);
}

code,
pre {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.notice {
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

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