:root {
  color-scheme: dark;
  --abyss: #131314;
  --deck: #1b1b1d;
  --panel: #1f1f21;
  --edge: rgba(255, 255, 255, 0.12);
  --edge-strong: rgba(255, 255, 255, 0.26);
  --bone: #f4f4f4;
  --mist: #a4a4a9;
  --fog: #707075;
  --font: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --top: 3.75rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--abyss); scroll-behavior: smooth; scroll-padding-top: calc(var(--top) + 1rem); -webkit-text-size-adjust: 100%; }
body { margin: 0; color: var(--bone); font: 400 1rem/1.7 var(--font); background: var(--abyss); min-height: 100vh; display: flex; flex-direction: column; overflow-x: clip; }
a { color: var(--bone); text-decoration-color: var(--edge-strong); text-underline-offset: 0.2em; }
a:hover { text-decoration-color: var(--bone); }
:focus-visible { outline: 2px solid var(--bone); outline-offset: 2px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--bone); color: #000; padding: 0.5rem 0.9rem; border-radius: 0.5rem; z-index: 50; }
.skip:focus { top: 0.75rem; }

/* header */
.top { position: sticky; top: 0; z-index: 30; height: var(--top); display: flex; align-items: center; gap: 1rem; padding: 0 1.25rem; background: rgba(19, 19, 20, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--edge); }
.brand { font-weight: 600; font-size: 1.15rem; letter-spacing: -0.02em; text-decoration: none; white-space: nowrap; }
.brand span { color: var(--mist); font-weight: 400; }
.search { position: relative; flex: 1; max-width: 32rem; margin-left: auto; }
.search input { width: 100%; height: 2.5rem; padding: 0 0.9rem; color: var(--bone); background: var(--deck); border: 1px solid var(--edge); border-radius: 0.6rem; font: inherit; font-size: 0.95rem; }
.search input::placeholder { color: var(--fog); }
.search input:focus { border-color: var(--edge-strong); outline: none; }
.results { position: absolute; left: 0; right: 0; top: calc(100% + 0.4rem); margin: 0; padding: 0.35rem; list-style: none; background: var(--panel); border: 1px solid var(--edge-strong); border-radius: 0.7rem; max-height: 70vh; overflow: auto; box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.5); }
.results[hidden] { display: none; }
.results a { display: block; padding: 0.55rem 0.7rem; border-radius: 0.5rem; text-decoration: none; line-height: 1.35; }
.results a:hover, .results a[aria-selected="true"] { background: rgba(255, 255, 255, 0.08); }
.results strong { display: block; font-weight: 500; font-size: 0.95rem; }
.results small { display: block; color: var(--mist); font-size: 0.8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.results .none { padding: 0.7rem; color: var(--mist); font-size: 0.9rem; }
.menu-toggle { display: none; height: 2.5rem; padding: 0 0.9rem; color: var(--bone); background: var(--deck); border: 1px solid var(--edge); border-radius: 0.6rem; font: inherit; font-size: 0.9rem; cursor: pointer; }
.back { color: var(--mist); font-size: 0.9rem; text-decoration: none; white-space: nowrap; }
.back:hover { color: var(--bone); }

/* layout */
.shell { flex: 1; display: grid; grid-template-columns: 16rem minmax(0, 1fr) 14rem; gap: 2.5rem; width: 100%; max-width: 86rem; margin: 0 auto; padding: 0 1.25rem; }
.side { position: sticky; top: var(--top); align-self: start; max-height: calc(100vh - var(--top)); overflow: auto; padding: 1.75rem 0 2rem; }
.nav-group { margin-bottom: 1.4rem; }
.nav-title { margin: 0 0 0.4rem; color: var(--fog); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.01em; }
.side ul, .toc ul { margin: 0; padding: 0; list-style: none; }
.side a { display: block; padding: 0.3rem 0.7rem; margin-left: -0.7rem; border-radius: 0.45rem; color: var(--mist); font-size: 0.94rem; text-decoration: none; line-height: 1.4; }
.side a:hover { color: var(--bone); background: rgba(255, 255, 255, 0.05); }
.side a[aria-current="page"] { color: var(--bone); background: rgba(255, 255, 255, 0.1); font-weight: 500; }
main { min-width: 0; padding: 2.5rem 0 4rem; outline: none; }
article { max-width: 46rem; }
.toc { position: sticky; top: var(--top); align-self: start; max-height: calc(100vh - var(--top)); overflow: auto; padding: 2.5rem 0 2rem; }
.toc a { display: block; padding: 0.2rem 0; color: var(--mist); font-size: 0.85rem; text-decoration: none; line-height: 1.4; }
.toc a:hover { color: var(--bone); }
.toc .l3 { padding-left: 0.8rem; }

/* content */
h1, h2, h3 { font-weight: 600; letter-spacing: -0.025em; line-height: 1.2; text-wrap: balance; }
h1 { margin: 0 0 1.25rem; font-size: clamp(2rem, 4vw, 2.9rem); line-height: 1.08; letter-spacing: -0.035em; }
h2 { margin: 2.6rem 0 0.8rem; font-size: 1.55rem; padding-top: 1.4rem; border-top: 1px solid var(--edge); }
h3 { margin: 1.8rem 0 0.5rem; font-size: 1.15rem; }
h2:first-of-type { margin-top: 2rem; }
p { margin: 0 0 1rem; color: #dcdce0; }
ul, ol { margin: 0 0 1.1rem; padding-left: 1.3rem; color: #dcdce0; }
li { margin-bottom: 0.4rem; padding-left: 0.2rem; }
li::marker { color: var(--fog); }
strong { font-weight: 600; color: var(--bone); }
.anchor { margin-left: 0.5rem; color: var(--fog); font-weight: 400; text-decoration: none; opacity: 0; transition: opacity 0.15s; }
:is(h2, h3):hover .anchor, .anchor:focus-visible { opacity: 1; }
code { font: 400 0.88em var(--mono); padding: 0.12em 0.4em; color: var(--bone); background: rgba(255, 255, 255, 0.09); border-radius: 0.35rem; overflow-wrap: anywhere; }
pre { margin: 0 0 1.2rem; padding: 1rem 1.1rem; overflow: auto; background: var(--deck); border: 1px solid var(--edge); border-radius: 0.7rem; }
pre code { padding: 0; background: none; font-size: 0.88rem; line-height: 1.6; white-space: pre; overflow-wrap: normal; }
.note { padding: 0.8rem 1rem; background: var(--deck); border-left: 3px solid var(--edge-strong); border-radius: 0.4rem; }
.table-wrap { margin: 0 0 1.4rem; overflow-x: auto; border: 1px solid var(--edge); border-radius: 0.7rem; }
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; }
th, td { padding: 0.65rem 0.9rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--edge); }
tr:last-child td { border-bottom: 0; }
th { color: var(--mist); font-weight: 500; background: var(--deck); white-space: nowrap; }
td code { white-space: nowrap; }
td:first-child { min-width: 9rem; }
.stats { font-size: 1.1rem; }
.stats strong { font-size: 1.35rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr)); gap: 0.8rem; margin: 1.2rem 0 1.5rem; }
.card { display: flex; flex-direction: column; gap: 0.25rem; padding: 1rem 1.1rem; color: var(--bone); background: var(--deck); border: 1px solid var(--edge); border-radius: 0.8rem; text-decoration: none; transition: border-color 0.15s, background 0.15s; }
.card:hover { border-color: var(--edge-strong); background: var(--panel); }
.card strong { font-size: 1.05rem; }
.card span { color: var(--mist); font-size: 0.85rem; }
.card em { margin-top: 0.3rem; color: var(--mist); font-style: normal; font-size: 0.88rem; line-height: 1.45; }

/* commands */
.cmd { padding: 1.1rem 0; border-top: 1px solid var(--edge); }
.cmd[hidden] { display: none; }
.cmd h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.cmd h3 code { font-size: 0.95rem; }
.cmd p { margin-bottom: 0.5rem; }
.meta { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.5rem; }
.tag { display: inline-block; padding: 0.1rem 0.6rem; color: var(--bone); background: rgba(255, 255, 255, 0.12); border-radius: 99px; font-size: 0.78rem; text-decoration: none; }
.tag-quiet { color: var(--mist); background: rgba(255, 255, 255, 0.05); }
a.tag:hover { background: rgba(255, 255, 255, 0.16); }
.usage { color: var(--mist); font-size: 0.92rem; }
.filter { display: block; color: var(--mist); font-size: 0.9rem; }
.filter input { display: block; width: 100%; max-width: 24rem; margin-top: 0.4rem; height: 2.5rem; padding: 0 0.9rem; color: var(--bone); background: var(--deck); border: 1px solid var(--edge); border-radius: 0.6rem; font: inherit; }
.empty { color: var(--mist); }
.empty[hidden] { display: none; }

/* footer and pager */
.pager { display: flex; justify-content: space-between; gap: 1rem; max-width: 46rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--edge); }
.pager a { display: block; min-width: 10rem; padding: 0.8rem 1rem; color: var(--bone); border: 1px solid var(--edge); border-radius: 0.7rem; text-decoration: none; }
.pager a:hover { border-color: var(--edge-strong); background: var(--deck); }
.pager span { display: block; color: var(--fog); font-size: 0.78rem; }
.pager .next { margin-left: auto; text-align: right; }
.foot { padding: 1.5rem 1.25rem; color: var(--fog); font-size: 0.85rem; text-align: center; border-top: 1px solid var(--edge); }

@media (max-width: 70rem) {
  .shell { grid-template-columns: 15rem minmax(0, 1fr); }
  .toc { display: none; }
}
@media (max-width: 52rem) {
  .menu-toggle { display: inline-block; }
  .back { display: none; }
  .search { margin-left: 0; }
  .shell { display: block; padding: 0 1rem; }
  .side { display: none; position: static; max-height: none; padding: 1rem 0 0; }
  .side.open { display: block; }
  main { padding-top: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}