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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
    color: #333;
    background: #fafafa;
}

header {
    margin-bottom: 3rem;
}

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

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

nav a {
    margin-right: 1rem;
    color: #666;
    text-decoration: none;
    font-size: 0.9rem;
}

nav a:hover {
    color: #000;
}

.post-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid #eee;
    cursor: pointer;
}

.post-item:hover {
    background: #fff;
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
}

.post-item h2 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.meta {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 0.5rem;
}

.meta .cats {
    margin-left: 1rem;
}

.post-item p {
    color: #666;
}

.back {
    display: inline-block;
    margin-bottom: 2rem;
    color: #666;
    text-decoration: none;
}

.back:hover {
    color: #000;
}

/* Markdown content styles */
.markdown-body h1 { font-size: 2rem; margin: 1.5rem 0 1rem; }
.markdown-body h2 { font-size: 1.5rem; margin: 1.5rem 0 0.75rem; }
.markdown-body h3 { font-size: 1.25rem; margin: 1.25rem 0 0.5rem; }
.markdown-body p { margin: 1rem 0; }
.markdown-body ul, .markdown-body ol { margin: 1rem 0; padding-left: 2rem; }
.markdown-body li { margin: 0.25rem 0; }
.markdown-body img { max-width: 100%; height: auto; margin: 1rem 0; border-radius: 4px; }
.markdown-body code { background: #f4f4f4; padding: 0.2rem 0.4rem; border-radius: 3px; font-size: 0.9em; }
.markdown-body pre { background: #f4f4f4; padding: 1rem; border-radius: 4px; overflow-x: auto; margin: 1rem 0; }
.markdown-body pre code { background: none; padding: 0; }
.markdown-body blockquote { border-left: 3px solid #ddd; margin: 1rem 0; padding-left: 1rem; color: #666; }
.markdown-body a { color: #0066cc; }
.markdown-body hr { border: none; border-top: 1px solid #eee; margin: 2rem 0; }