:root {
    --bg: #fbf8f6;
    --panel: #ffffff;
    --ink: #22201f;
    --muted: #6a625e;
    --line: #e6ded8;
    --rust: #b4451f;
    --rust-soft: #f3e2d9;
    --code-bg: #f4efec;
    --tok-keyword: #a03a12;
    --tok-builtin: #1f5d86;
    --tok-string: #3f7a34;
    --tok-comment: #8d827c;
    --tok-number: #8a5a12;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #17140f;
        --panel: #1e1b16;
        --ink: #ece5dd;
        --muted: #a79c92;
        --line: #322c25;
        --rust: #e8794a;
        --rust-soft: #3a261c;
        --code-bg: #221d18;
        --tok-keyword: #f0936a;
        --tok-builtin: #7fb6dd;
        --tok-string: #9ccf87;
        --tok-comment: #8b8078;
        --tok-number: #d9b36a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 16px/1.65 "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased;
}

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

/* Header ------------------------------------------------------------ */

.top {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 28px;
    background: color-mix(in srgb, var(--bg) 88%, transparent);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}

.brand {
    display: flex;
    align-items: center;
    gap: 9px;
    color: var(--ink);
    font-weight: 650;
    letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand .version {
    white-space: nowrap;
    font-size: 12px;
    font-weight: 500;
    color: var(--rust);
    background: var(--rust-soft);
    border-radius: 99px;
    padding: 2px 8px;
}

.links { display: flex; gap: 6px; flex-wrap: wrap; }
.links a {
    color: var(--muted);
    padding: 6px 11px;
    border-radius: 8px;
    font-size: 15px;
}
.links a:hover { background: var(--panel); color: var(--ink); text-decoration: none; }
.links a.here { color: var(--ink); background: var(--panel); box-shadow: inset 0 0 0 1px var(--line); }

/* Layout ------------------------------------------------------------ */

.page {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 40px;
    max-width: 1140px;
    margin: 0 auto;
    padding: 34px 28px 72px;
}
body.home .page { grid-template-columns: minmax(0, 1fr); max-width: 900px; }

.sidebar {
    position: sticky;
    top: 74px;
    align-self: start;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    font-size: 14.5px;
}
.sidebar h2 {
    margin: 22px 0 8px;
    font-size: 11.5px;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--muted);
}
.sidebar h2:first-child { margin-top: 0; }
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li a {
    display: block;
    padding: 4px 10px;
    border-left: 2px solid var(--line);
    color: var(--muted);
}
.sidebar li a:hover { color: var(--ink); text-decoration: none; }
.sidebar li.here > a { color: var(--rust); border-left-color: var(--rust); font-weight: 560; }
.sidebar li.level-3 a { padding-left: 22px; font-size: 13.5px; }

/* Content ----------------------------------------------------------- */

.content { min-width: 0; }
.content h1 {
    margin: 0 0 18px;
    font-size: 34px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}
.content h2 {
    margin: 42px 0 12px;
    padding-top: 10px;
    font-size: 23px;
    letter-spacing: -0.01em;
    border-top: 1px solid var(--line);
}
.content h3 { margin: 28px 0 10px; font-size: 18px; }
.content p, .content li { color: var(--ink); }
.content li { margin: 4px 0; }
.content li::marker { color: var(--muted); }

.anchor {
    margin-left: 8px;
    opacity: 0;
    color: var(--muted);
    font-weight: 400;
}
h1:hover .anchor, h2:hover .anchor, h3:hover .anchor { opacity: 1; }

blockquote {
    margin: 18px 0;
    padding: 2px 16px;
    border-left: 3px solid var(--rust-soft);
    color: var(--muted);
}

hr { border: 0; border-top: 1px solid var(--line); margin: 34px 0; }

table {
    width: 100%;
    margin: 18px 0;
    border-collapse: collapse;
    font-size: 15px;
}
th, td {
    padding: 9px 12px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--line);
}
th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; }

/* Code -------------------------------------------------------------- */

code {
    font-family: "JetBrains Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
    font-size: 0.89em;
}
:not(pre) > code {
    padding: 1px 5px;
    border-radius: 5px;
    background: var(--code-bg);
    color: var(--ink);
}

.code {
    position: relative;
    margin: 18px 0;
    background: var(--code-bg);
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow: hidden;
}
.code .lang {
    position: absolute;
    top: 7px;
    right: 10px;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}
.code pre { margin: 0; padding: 14px 16px; overflow-x: auto; }
.code code { line-height: 1.55; }

.tok-keyword { color: var(--tok-keyword); font-weight: 560; }
.tok-builtin { color: var(--tok-builtin); }
.tok-string { color: var(--tok-string); }
.tok-comment { color: var(--tok-comment); font-style: italic; }
.tok-number { color: var(--tok-number); }
.tok-decorator { color: var(--tok-number); }

/* Home -------------------------------------------------------------- */

body.home .content > h1 {
    font-size: 46px;
    margin-top: 26px;
}
body.home .content > h1 + p {
    font-size: 19px;
    color: var(--muted);
    max-width: 62ch;
}
body.home .content > h2 { border-top: 0; }

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 14px;
    margin: 22px 0;
}
.card {
    padding: 16px 18px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 12px;
}
.card h3 { margin: 0 0 6px; font-size: 16px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; }

.buttons { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0 8px; }
.buttons a {
    padding: 10px 18px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--ink);
    font-weight: 550;
}
.buttons a:hover { text-decoration: none; border-color: var(--rust); }
.buttons a.primary { background: var(--rust); border-color: var(--rust); color: #fff; }

/* Footer ------------------------------------------------------------ */

.bottom {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    max-width: 1140px;
    margin: 0 auto;
    padding: 20px 28px 40px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 860px) {
    .page { grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 24px 16px 56px; }
    .sidebar { position: static; max-height: none; }
    .top { padding: 10px 16px; }
    .content h1 { font-size: 28px; }
    body.home .content > h1 { font-size: 34px; }
}