:root {
    color-scheme: light dark;
}

body {
    max-width: 48rem;
    margin: 2rem auto;
    padding: 0 1rem 4rem;
    font: 16px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
    color: #222;
    background: #fff;
}

h1 {
    font-size: 1.9rem;
    margin: 0 0 0.5rem;
}
h2 {
    font-size: 1.35rem;
    margin-top: 2.5rem;
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.3rem;
}
h3 {
    font-size: 1.1rem;
    margin-top: 2rem;
}

p,
ul,
ol {
    margin: 0.75rem 0;
}
ul,
ol {
    padding-left: 1.5rem;
}
li {
    margin: 0.25rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    font-size: 0.95rem;
}
th,
td {
    padding: 0.55rem 0.75rem;
    border: 1px solid #ddd;
    text-align: left;
    vertical-align: top;
}
th {
    background: #f7f7f7;
    font-weight: 600;
}

code {
    background: #f4f4f4;
    padding: 0.1rem 0.3rem;
    border-radius: 3px;
    font: 0.92em ui-monospace, Menlo, Consolas, monospace;
}

blockquote {
    border-left: 3px solid #ccc;
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    color: #555;
    background: #fafafa;
}

a {
    color: #0055cc;
}

hr {
    border: 0;
    border-top: 1px solid #ddd;
    margin: 2.5rem 0;
}

.meta {
    color: #555;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}
.meta p {
    margin: 0.2rem 0;
}

footer em {
    color: #555;
}

nav {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #ddd;
    font-size: 0.95rem;
}
nav a {
    margin-right: 1rem;
}

@media (prefers-color-scheme: dark) {
    body {
        color: #e7e7e7;
        background: #111;
    }
    h2 {
        border-bottom-color: #333;
    }
    th,
    td {
        border-color: #333;
    }
    th {
        background: #1a1a1a;
    }
    code {
        background: #1a1a1a;
    }
    blockquote {
        background: #171717;
        border-left-color: #333;
        color: #bbb;
    }
    a {
        color: #7ab0ff;
    }
    hr {
        border-top-color: #333;
    }
    nav {
        border-bottom-color: #333;
    }
}

@media (max-width: 640px) {
    body {
        margin: 1rem auto;
    }
}