:root {
    --bg-color: #ffffff;
    --text-color: #222222;
    --link-color: #2563eb;
    --meta-color: #666666;
    --code-bg: #f4f4f5;
    --max-width: 720px;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #121214;
        --text-color: #e4e4e7;
        --link-color: #60a5fa;
        --meta-color: #a1a1aa;
        --code-bg: #27272a;
    }
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 2rem 1rem;
}
.container {
    max-width: var(--max-width);
    margin: 0 auto;
}
header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--code-bg);
    padding-bottom: 1rem;
}
header a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: bold;
}
nav a {
    margin-left: 1.5rem;
    color: var(--meta-color);
    font-weight: normal;
}
nav a:first-child { margin-left: 0; }
nav a.active { color: var(--text-color); }
a { color: var(--link-color); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; }
img { max-width: 100%; height: auto; }
pre, code { background: var(--code-bg); padding: 0.2em 0.4em; border-radius: 4px; font-size: 0.9em; }
pre code { padding: 0; background: none; }
pre { padding: 1rem; overflow-x: auto; }
blockquote { margin: 1.5rem 0; padding-left: 1rem; border-left: 3px solid var(--code-bg); color: var(--meta-color); }

.meta { color: var(--meta-color); font-size: 0.9rem; }
.post-header { margin-bottom: 2rem; }
.post-header h1 { margin-bottom: 0.25rem; }

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { margin-bottom: 1.75rem; }
.post-list h2, .post-list h3 { margin: 0 0 0.25rem; font-size: 1.2rem; }
.post-list p { margin: 0.25rem 0 0; }

.tags a { margin-right: 0.5rem; }
.tags a::before { content: "#"; }

.pagination, .post-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid var(--code-bg);
}

footer { margin-top: 5rem; font-size: 0.9rem; color: var(--meta-color); text-align: center; }