:root {
  --bg: #f7f5f0;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --line: #ddd6c8;
  --accent: #0b5fff;
  --card: #fffef9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #efe8da 0%, transparent 55%),
    linear-gradient(180deg, #f7f5f0 0%, #efebe3 100%);
  line-height: 1.65;
  min-height: 100vh;
}

.site-header,
.content,
.site-footer {
  width: min(720px, calc(100% - 2rem));
  margin-left: auto;
  margin-right: auto;
}

.site-header {
  padding: 2.5rem 0 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.content { padding: 1.75rem 0 3rem; }

.intro h1 { margin-top: 0; font-size: 2rem; }

.list-item {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  margin: 1rem 0;
}

.list-item h2 {
  margin: 0 0 0.25rem;
  font-size: 1.2rem;
}

.list-item a { color: var(--ink); text-decoration: none; }
.list-item a:hover { color: var(--accent); }

.list-item time,
.post time {
  color: var(--muted);
  font-size: 0.9rem;
}

.summary { margin: 0.5rem 0 0; color: var(--muted); }

.post header { margin-bottom: 1.25rem; }
.post h1 { margin: 0 0 0.35rem; font-size: 1.8rem; }

.body h2 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.25rem;
}

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

.back { margin-top: 2rem; }
.back a { color: var(--muted); }

.site-footer {
  padding: 1rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: #efe8da;
  padding: 0.1em 0.35em;
}