body {
  background: #0d1117;
  color: #e6edf3;
  font-family: system-ui, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 1.25rem;
}

a {
  color: #58a6ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Index */
.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

h1 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

sub {
  color: #7d8590;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 1.5rem;
  text-align: right;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 0.35rem;
}

li time {
  color: #7d8590;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

h3 {
  font-size: 0.8rem;
  font-weight: 600;
  color: #7d8590;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.75rem;
}

/* Post */
h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.post-date {
  color: #7d8590;
  font-size: 0.9rem;
  margin-bottom: 2rem;
  display: block;
}

.back {
  display: block;
  margin-bottom: 2.5rem;
  font-size: 0.9rem;
}

article p { margin: 0 0 1.25rem; }
article h3 { font-size: 1.05rem; margin: 2rem 0 0.5rem; }
article blockquote {
  border-left: 2px solid #30363d;
  margin: 1.5rem 0;
  padding-left: 1rem;
  color: #7d8590;
}
article code {
  background: #161b22;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.875em;
}

article pre {
  background: #161b22;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 0 0 1.25rem;
}

article pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}
article ul, article ol { padding-left: 1.5rem; margin: 0 0 1.25rem; }