* {
    box-sizing: border-box;
}

body {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Consolas', monospace;
    margin: 0;
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fff;
}

@media (max-width: 768px) {
    body {
        padding: 1rem;
        font-size: 14px;
    }
}

nav {
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
}

nav ul, footer ul {
    padding: 0;
    list-style: none;
    margin: 0;
}

nav ul li, footer ul li {
    display: inline;
    margin-right: 1.5rem;
}

@media (max-width: 768px) {
    nav ul li, footer ul li {
        display: block;
        margin: 0.5rem 0;
    }
}

a {
    text-decoration: none;
    color: #0066cc;
    border-bottom: 1px solid transparent;
    transition: border-bottom 0.2s;
}

a:hover {
    border-bottom: 1px solid #0066cc;
}

h1 {
    font-size: 2rem;
    font-weight: 600;
    margin: 2rem 0 1rem 0;
    line-height: 1.2;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem 0;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 1.25rem 0 0.5rem 0;
}

h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1rem 0 0.5rem 0;
}

p {
    margin: 1rem 0;
}

ul, ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

code {
    font-family: inherit;
    background: #f5f5f5;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
}

pre {
    background: #f5f5f5;
    padding: 1rem;
    border-radius: 3px;
    overflow-x: auto;
}

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

hr {
    border: none;
    border-top: 1px solid #ddd;
    margin: 2rem 0;
}

footer {
    margin-top: 4rem;
    padding-top: 1rem;
    border-top: 1px solid #ddd;
    font-size: 0.9rem;
    color: #666;
}

ul.posts {
    margin: 2rem 0;
    padding: 0;
    list-style: none;
}

ul.posts li {
    margin: 0.75rem 0;
}

ul.posts span {
    color: #666;
    font-size: 0.9rem;
    margin-right: 1rem;
}

figure {
    margin: 2rem 0;
    text-align: center;
}

figure img {
    max-width: 100%;
    height: auto;
}

figure figcaption {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #666;
}

.blurb {
    margin: 2rem 0;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #1a1a1a;
        color: #e0e0e0;
    }

    a {
        color: #66b3ff;
    }

    a:hover {
        border-bottom-color: #66b3ff;
    }

    nav, footer {
        border-color: #444;
    }

    hr {
        border-top-color: #444;
    }

    code, pre {
        background: #2a2a2a;
    }

    footer {
        color: #999;
    }

    ul.posts span {
        color: #999;
    }

    figure figcaption {
        color: #999;
    }
}