:root { color-scheme: light; --ink: #171717; --muted: #636363; --line: #e5e5e3; --soft: #f6f6f4; }
* { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; color: var(--ink); background: #fff; font: 16px/1.75 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: #555; }
a:focus-visible, summary:focus-visible, pre:focus-visible, .table-scroll:focus-visible { outline: 2px solid #315eaa; outline-offset: 4px; }
.skip { position: fixed; top: -80px; left: 16px; z-index: 10; padding: 12px 20px; background: #fff; }
.skip:focus { top: 8px; }
.site-header { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 24px; padding: 16px 36px; border-bottom: 1px solid var(--line); background: #fff; }
.brand { display: flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 650; letter-spacing: -.5px; text-decoration: none; }
.monogram { display: grid; place-items: center; width: 34px; height: 34px; background: var(--ink); color: #fff; border-radius: 8px; font-size: 13px; letter-spacing: -.5px; }
.header-label { color: var(--muted); padding-left: 24px; border-left: 1px solid var(--line); font-size: 14px; }
.site-header nav { display: flex; gap: 24px; margin-left: auto; font-size: 14px; }
.site-header nav a { text-decoration: none; }
.layout { display: grid; grid-template-columns: 190px minmax(0, 760px) 170px; gap: 48px; max-width: 1320px; padding: 54px 36px 80px; margin: auto; }
.layout.overview { grid-template-columns: 190px minmax(0, 930px); }
.sidebar, .toc { position: sticky; top: 110px; align-self: start; font-size: 14px; }
.sidebar nav { display: grid; gap: 5px; }
.sidebar nav > a { display: block; padding: 8px 12px; margin-left: -12px; text-decoration: none; color: var(--muted); border-radius: 5px; }
.sidebar nav > a:hover { background: var(--soft); color: var(--ink); }
.sidebar a[aria-current] { color: var(--ink); background: var(--soft); font-weight: 600; }
.eyebrow { margin: 0 0 18px; color: var(--muted); font-size: 11px; letter-spacing: .12em; font-weight: 600; text-transform: uppercase; }
.back { display: block; margin-top: 32px; font-size: 13px; color: var(--muted); text-decoration: none; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.025em; }
h1 { font-size: clamp(30px, 3.2vw, 44px); font-weight: 650; margin: 0 0 24px; }
h2 { margin: 48px 0 20px; font-size: 25px; font-weight: 600; padding-top: 24px; border-top: 1px solid var(--line); }
h3 { font-size: 20px; margin-top: 32px; }
p { margin: 0 0 20px; }
ul, ol { padding-left: 24px; }
li { margin: 8px 0; }
main { min-width: 0; overflow-wrap: anywhere; }
main > p:first-of-type:not(.eyebrow) { color: var(--muted); }
.lead { font-size: 20px; line-height: 1.6; color: var(--muted); max-width: 690px; }
code { padding: 2px 5px; border-radius: 4px; background: var(--soft); font: .86em/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; }
pre { max-width: 100%; padding: 20px 24px; overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; background: var(--soft); line-height: 1.65; }
pre code { padding: 0; background: none; font-size: 13px; overflow-wrap: normal; }
.table-scroll { overflow-x: auto; margin: 24px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--soft); font-weight: 600; }
.toc summary { color: var(--ink); font-weight: 600; font-size: 12px; cursor: pointer; }
.toc nav { display: grid; gap: 12px; border-left: 1px solid var(--line); margin-top: 18px; padding-left: 16px; }
.toc a { color: var(--muted); font-size: 12px; text-decoration: none; line-height: 1.6; }
.toc a:hover { color: var(--ink); }
.start { padding: 28px; background: var(--soft); border-radius: 6px; margin: 36px 0; }
.start strong { font-size: 19px; }
.start p { margin: 6px 0 14px; color: var(--muted); }
.start a { font-size: 14px; font-weight: 600; }
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; }
.guide-card { padding: 28px 0; border-top: 1px solid var(--line); text-decoration: none; }
.guide-card h2 { padding: 0; margin: 10px 0; border: 0; font-size: 22px; }
.guide-card h2 span { float: right; font-size: 18px; }
.guide-card p { color: var(--muted); margin: 0; font-size: 15px; }
.guide-card:hover h2 { text-decoration: underline; text-underline-offset: 5px; }
.help { margin-top: 32px; color: var(--muted); font-size: 14px; }
.article-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; margin-top: 52px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 13px; }
.site-footer { border-top: 1px solid var(--line); text-align: center; padding: 24px; color: var(--muted); font-size: 12px; }
@media (max-width: 1100px) { .layout { grid-template-columns: 170px minmax(0, 1fr); gap: 32px; } .layout.overview { grid-template-columns: 170px minmax(0, 1fr); } .toc { grid-column: 2; grid-row: 1; position: static; } .layout:not(.overview) main { grid-column: 2; grid-row: 2; } .sidebar { grid-row: 1 / span 2; } .toc nav { display: flex; flex-wrap: wrap; gap: 8px 20px; } }
@media (max-width: 700px) { .site-header { gap: 14px; padding: 14px 20px; } .header-label { display: none; } .site-header nav { gap: 16px; font-size: 13px; } .layout, .layout.overview { display: flex; flex-direction: column; padding: 28px 20px 48px; gap: 28px; } .sidebar { position: static; width: 100%; } .sidebar nav { display: flex; flex-wrap: wrap; gap: 4px 8px; } .sidebar nav .eyebrow { width: 100%; margin-bottom: 8px; } .sidebar nav > a { margin: 0; padding: 6px 10px; font-size: 12px; } .back { display: none; } .toc { order: 0; width: 100%; } main { order: 1; width: 100%; } .guide-grid { grid-template-columns: 1fr; } .lead { font-size: 17px; } .start { padding: 22px; } h2 { font-size: 23px; } pre { padding: 16px; } }