:root {
    --ink: #1c2434;
    --muted: #5b6779;
    --accent: #605dff;
    --rule: #e4e7ee;
    --surface: #ffffff;
    --bg: #f7f8fb;
}

@media (prefers-color-scheme: dark) {
    :root {
        --ink: #e8ecf5;
        --muted: #9aa5b8;
        --rule: #26304a;
        --surface: #131a2b;
        --bg: #0b1120;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0 20px 96px;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.wrap {
    max-width: 760px;
    margin: 0 auto;
}

header {
    padding: 56px 0 28px;
    border-bottom: 1px solid var(--rule);
    margin-bottom: 40px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.brand svg { width: 30px; height: 30px; }

.brand span {
    font-weight: 600;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 2rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin: 0 0 10px;
}

.sub {
    color: var(--muted);
    margin: 0;
    font-size: 0.94rem;
}

h2 {
    font-size: 1.2rem;
    letter-spacing: -0.01em;
    margin: 44px 0 12px;
    padding-top: 4px;
}

h3 {
    font-size: 1rem;
    margin: 26px 0 8px;
}

p, li { color: var(--ink); }

.lead { color: var(--muted); }

a { color: var(--accent); }

ul { padding-left: 22px; }

li { margin-bottom: 7px; }

.card {
    background: var(--surface);
    border: 1px solid var(--rule);
    border-radius: 12px;
    padding: 18px 22px;
    margin: 22px 0;
}

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

.table-scroll {
    overflow-x: auto;
    margin: 18px 0;
    border: 1px solid var(--rule);
    border-radius: 12px;
    background: var(--surface);
}

table {
    border-collapse: collapse;
    width: 100%;
    min-width: 520px;
    font-size: 0.92rem;
}

th, td {
    text-align: left;
    padding: 11px 16px;
    border-bottom: 1px solid var(--rule);
    vertical-align: top;
}

th {
    font-weight: 600;
    white-space: nowrap;
}

tr:last-child td { border-bottom: none; }

footer {
    margin-top: 56px;
    padding-top: 24px;
    border-top: 1px solid var(--rule);
    color: var(--muted);
    font-size: 0.88rem;
}

footer a { margin-right: 16px; }

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9em;
    background: var(--bg);
    padding: 1px 5px;
    border-radius: 4px;
    border: 1px solid var(--rule);
}