:root {
    color-scheme: light;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    line-height: 1.6;
    background-color: #f9fafb;
    color: #1f2933;
}

body { margin: 0; }
a { color: inherit; }
a:hover { color: #2563eb; }

.shell {
    width: min(720px, 92vw);
    margin: 0 auto;
}

.site-header {
    background: #111827;
    color: #f9fafb;
    padding: 2.5rem 0;
}

.site-title {
    margin: 0;
    font-size: 1.75rem;
}
.site-title a { text-decoration: none; }

.site-tagline {
    margin-top: 0.25rem;
    margin-bottom: 0;
    opacity: 0.7;
}

.site-main {
    padding: 3rem 0;
}

.page {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    padding: 2rem 2.25rem;
}

.page-header { margin-bottom: 1.5rem; }
.page-header h2 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.page-meta {
    margin: 0;
    font-size: 0.9rem;
    color: #6b7280;
}

.page-content h1,
.page-content h2,
.page-content h3 { color: #111827; }
.page-content pre {
    background: #0f172a;
    color: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
}

.site-footer {
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    padding: 2rem 0;
    text-align: center;
    font-size: 0.9rem;
    color: #6b7280;
}