* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 2px solid #eee;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

header .profile-pic {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  order: 2;
  margin-left: auto;
}

header .header-text {
  order: 1;
}

header h1 {
  font-size: 2em;
  margin-bottom: 5px;
}

header h1 a {
  color: #333;
  text-decoration: none;
}

header .subtitle {
  color: #666;
  font-style: italic;
}

header .header-nav {
  margin-top: 10px;
  font-size: 0.9em;
  order: 3;
  width: 100%;
}

header .header-nav .github-link {
  color: #0066cc;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

header .header-nav .github-link:hover {
  text-decoration: underline;
}

header .header-nav .github-icon {
  display: inline-block;
  vertical-align: middle;
}

main {
  margin-bottom: 40px;
}

article {
  margin-bottom: 40px;
}

article h1 {
  font-size: 2em;
  margin-bottom: 10px;
}

article h2 {
  font-size: 1.5em;
  margin: 30px 0 15px 0;
}

article time {
  color: #666;
  font-size: 0.9em;
  display: block;
  margin-bottom: 20px;
}

.feed-item {
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #eee;
}

.feed-item:last-child {
  border-bottom: none;
}

.feed-item h2 {
  margin: 0 0 10px 0;
  font-size: 1.5em;
}

.feed-item.update {
  background: #f9f9f9;
  padding: 15px;
  border-left: 3px solid #4CAF50;
}

.update-summary {
  font-style: italic;
  color: #666;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.post-navigation {
  display: flex;
  justify-content: space-between;
  margin: 40px 0;
  padding: 20px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.post-navigation .disabled {
  color: #ccc;
}

.pagination {
  text-align: center;
  margin: 40px 0;
  padding: 20px;
}

.pagination a {
  margin: 0 10px;
}

footer {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 2px solid #eee;
  text-align: center;
  color: #666;
}

pre {
  background: #f4f4f4;
  padding: 15px;
  overflow-x: auto;
  border-radius: 3px;
}

code {
  background: #f4f4f4;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
}

pre code {
  padding: 0;
}