:root {
    --bg: #fdfcfa;
    --fg: #1c1b19;
    --muted: #5d5a54;
    --rule: #e2ded6;
    --accent: #2f6f5e;
    --card: #f5f2ec;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #16181a;
        --fg: #e8e6e1;
        --muted: #a5a29b;
        --rule: #2e3235;
        --accent: #7fc3ad;
        --card: #1e2124;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 3rem 1.25rem 6rem;
    background: var(--bg);
    color: var(--fg);
    font:
        400 17px/1.65 ui-serif,
        Georgia,
        "Times New Roman",
        serif;
    -webkit-text-size-adjust: 100%;
}

main {
    max-width: 42rem;
    margin: 0 auto;
}

h1,
h2,
h3 {
    font-family:
        ui-sans-serif,
        -apple-system,
        "Segoe UI",
        Roboto,
        sans-serif;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 2rem;
    margin: 0 0 0.35rem;
}
h2 {
    font-size: 1.2rem;
    margin: 2.75rem 0 0.75rem;
}
h3 {
    font-size: 1rem;
    margin: 1.75rem 0 0.5rem;
}

.subtitle {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0 0 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--rule);
}

a {
    color: var(--accent);
}
a:hover {
    text-decoration: none;
}

ul,
ol {
    padding-left: 1.3rem;
}
li {
    margin: 0.4rem 0;
}

.summary {
    background: var(--card);
    border-left: 3px solid var(--accent);
    padding: 1.25rem 1.5rem;
    margin: 0 0 2rem;
    border-radius: 0 6px 6px 0;
}

.summary p:first-child {
    margin-top: 0;
}
.summary p:last-child {
    margin-bottom: 0;
}

.table-wrap {
    overflow-x: auto;
    margin: 1.25rem 0;
    -webkit-overflow-scrolling: touch;
}

table {
    border-collapse: collapse;
    width: 100%;
    min-width: 30rem;
    font-size: 0.92rem;
    font-family:
        ui-sans-serif,
        -apple-system,
        "Segoe UI",
        Roboto,
        sans-serif;
}

th,
td {
    text-align: left;
    vertical-align: top;
    padding: 0.6rem 0.9rem 0.6rem 0;
    border-bottom: 1px solid var(--rule);
}

th {
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.87em;
    background: var(--card);
    padding: 0.12em 0.38em;
    border-radius: 3px;
}

footer {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--rule);
    color: var(--muted);
    font-size: 0.88rem;
}

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