/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    border-bottom: 1px solid #e1e4e8;
    padding-bottom: 20px;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 10px;
}

header h1 a {
    color: #0366d6;
    text-decoration: none;
}

nav a {
    margin-right: 20px;
    color: #0366d6;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

/* Main content */
main {
    margin-bottom: 60px;
}

/* Blog post */
.blog-post {
    line-height: 1.8;
}

.post-header {
    margin-bottom: 40px;
}

.post-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.meta {
    color: #586069;
    font-size: 0.9rem;
}

.blog-post h2 {
    font-size: 1.8rem;
    margin-top: 40px;
    margin-bottom: 15px;
}

.blog-post h3 {
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 10px;
}

.blog-post h4 {
    font-size: 1.2rem;
    margin-top: 25px;
    margin-bottom: 10px;
}

.blog-post p {
    margin-bottom: 20px;
}

.blog-post code {
    background: #f6f8fa;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9em;
}

.blog-post pre {
    background: #f6f8fa;
    padding: 16px;
    overflow-x: auto;
    border-radius: 6px;
    margin-bottom: 20px;
}

.blog-post pre code {
    background: none;
    padding: 0;
}

.blog-post ul, .blog-post ol {
    margin-left: 30px;
    margin-bottom: 20px;
}

.blog-post li {
    margin-bottom: 8px;
}

.blog-post blockquote {
    border-left: 4px solid #dfe2e5;
    padding-left: 20px;
    color: #586069;
    margin-bottom: 20px;
}

.blog-post strong {
    font-weight: 600;
}

.blog-post em {
    font-style: italic;
}

.blog-post hr {
    border: 0;
    border-top: 1px solid #e1e4e8;
    margin: 40px 0;
}

.blog-post a {
    color: #0366d6;
    text-decoration: none;
}

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

/* Post footer */
.post-footer {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #e1e4e8;
}

.post-footer p {
    margin-bottom: 10px;
}

/* Homepage post previews */
.post-preview {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #e1e4e8;
}

.post-preview h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.post-preview h2 a {
    color: #0366d6;
    text-decoration: none;
}

.post-preview h2 a:hover {
    text-decoration: underline;
}

.read-more {
    color: #0366d6;
    text-decoration: none;
}

.read-more:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    border-top: 1px solid #e1e4e8;
    padding-top: 20px;
    text-align: center;
    color: #586069;
    font-size: 0.9rem;
}

footer a {
    color: #0366d6;
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    
    .post-header h1 {
        font-size: 2rem;
    }
    
    .blog-post h2 {
        font-size: 1.5rem;
    }
}