:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted: #666666;
  --accent: #0000ee;
  --rule: #000000;
  --code-bg: #f0f0f0;
}

* {
  box-sizing: border-box;
}

html {
  font-family: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
}

body {
  max-width: 72ch;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1rem;
  margin-bottom: 2.5rem;
}

.site-title {
  text-decoration: none;
  font-weight: bold;
}

header nav a {
  margin-left: 1rem;
}

main {
  min-height: 60vh;
}

main h1,
main h2,
main h3 {
  font-weight: bold;
  line-height: 1.2;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

main h1 { font-size: 1.5rem; }
main h2 { font-size: 1.25rem; }
main h3 { font-size: 1.1rem; }

main h1:first-child {
  margin-top: 0;
}

p, ul, ol, blockquote, pre {
  margin: 1rem 0;
}

ul, ol {
  padding-left: 1.5rem;
}

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

a:hover {
  background: var(--fg);
  color: var(--bg);
  text-decoration: none;
}

blockquote {
  border-left: 2px solid var(--rule);
  padding-left: 1rem;
  margin-left: 0;
  color: var(--muted);
}

code {
  font-family: inherit;
  background: var(--code-bg);
  padding: 0.1rem 0.3rem;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  overflow-x: auto;
}

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

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 2rem 0;
}

time {
  color: var(--muted);
  font-size: 0.9rem;
}

.post-list {
  list-style: none;
  padding-left: 0;
}

.post-list li {
  display: flex;
  gap: 1rem;
  margin: 0.5rem 0;
  align-items: baseline;
  flex-wrap: wrap;
}

.post-list time {
  flex-shrink: 0;
}

footer {
  margin-top: 4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

footer p {
  margin: 0;
}

@media (max-width: 480px) {
  body {
    padding: 1.5rem 1rem;
  }
}