* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  max-width: 650px;
  margin: 0 auto;
  padding: 2rem 1rem;
  line-height: 1.6;
  color: #333;
  background-color: #fafafa;
}

main {
  margin-top: 1rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 2rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 1.5rem;
}

.profile {
  max-width: 220px;
  border-radius: 4px;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: green;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  opacity: 0.7;
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
  body {
    background-color: #333;
    color: #fff;
  }

  a {
    color: #6fffa3;
  }

  article pre {
    background: #555;
  }

  article p code {
    background: #555;
  }

  .post-date, .back, article .meta {
    color: #aaa;
  }
}

nav {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

nav a {
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 1px solid #333;
}

/* Blog listing */
.post-list {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}

.post-list li {
  margin-bottom: 0.75rem;
}

.post-list a {
  text-decoration: none;
}

.post-list a:hover {
  text-decoration: underline;
}

.post-date {
  color: #666;
  font-size: 0.9rem;
  margin-left: 0.5rem;
}

/* Blog post */
article {
  margin-top: 1rem;
}

article h1 {
  margin-bottom: 0.5rem;
  color: green;
}

article .meta {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

article img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
}

article figure {
  margin: 1.5rem 0;
}

article figcaption {
  font-size: 0.85rem;
  color: #666;
  margin-top: 0.5rem;
}

article blockquote {
  border-left: 3px solid #ddd;
  margin: 1.5rem 0;
  padding-left: 1rem;
  color: #555;
}

article pre {
  background: #f5f5f5;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
  font-size: 0.9rem;
}

article code {
  font-family: ui-monospace, monospace;
  font-size: 0.9em;
}

article p code {
  background: #f5f5f5;
  padding: 0.15rem 0.3rem;
  border-radius: 3px;
}

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

article li {
  margin-bottom: 0.5rem;
}

/* Back link */
.back {
  display: inline-block;
  margin-bottom: 1.5rem;
  text-decoration: none;
  color: #666;
}

.back:hover {
  color: #333;
}

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

  nav {
    gap: 0.75rem;
  }
}