:root {
  --ink: #1a1a1a;
  --paper: #ffffff;
  --muted: #666666;
  --rule: #dddddd;
  --link: #0b4f9c;
}

html {
  font-size: 18px;
}

body {
  font-family: Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  max-width: 38rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 6rem;
}

a {
  color: var(--link);
  text-decoration: underline;
}

a:hover {
  text-decoration: none;
}

h1,
h2,
h3 {
  font-weight: 500;
  line-height: 1.25;
  margin: 2rem 0 0.5rem;
}

h1 {
  font-size: 1.6rem;
}

p {
  margin: 1rem 0;
}

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2.5rem 0;
}

/* Site header */
.site-header {
  margin-bottom: 2rem;
}

.site-header .title {
  font-size: 1.4rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink);
}

.site-header nav {
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

.site-header nav a {
  margin-right: 1rem;
}

/* Post list on the home page */
.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list li {
  margin: 0.75rem 0;
  display: flex;
  gap: 1rem;
}

.post-list .date {
  color: var(--muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* Individual post */
.post-meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 0;
}

.back {
  font-size: 0.95rem;
}

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.9rem;
}