@font-face {
  font-family: "Familjen Grotesk";
  src: url("fonts/familjen-grotesk-latin-wght-normal.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "Martian Mono";
  src: url("fonts/martian-mono-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}
:root {
  --bg: #f6f8f9;
  --panel: #ffffff;
  --soft: #eaeff2;
  --fg: #0d1b2a;
  --muted: #4a5b6b;
  --line: #d3dce2;
  --gold: #e8a91c;
  --link: #0b5cad;
  --accent: #7a4f00;
  --pass: #17766a;
  --codebg: #f0f4f6;
  --hover: #e3eaee;
  --sans: "Familjen Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Martian Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a131c;
    --panel: #0f1b27;
    --soft: #14212e;
    --fg: #e6edf2;
    --muted: #a3b3c1;
    --line: #243546;
    --gold: #f0b83a;
    --link: #7ab8f5;
    --accent: #f0b83a;
    --pass: #4fc3b2;
    --codebg: #0d1823;
    --hover: #162636;
  }
}
:root[data-theme="dark"] {
  --bg: #0a131c;
  --panel: #0f1b27;
  --soft: #14212e;
  --fg: #e6edf2;
  --muted: #a3b3c1;
  --line: #243546;
  --gold: #f0b83a;
  --link: #7ab8f5;
  --accent: #f0b83a;
  --pass: #4fc3b2;
  --codebg: #0d1823;
  --hover: #162636;
}
* {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 5rem;
  color-scheme: light dark;
}
:root[data-theme="light"] {
  color-scheme: light;
}
:root[data-theme="dark"] {
  color-scheme: dark;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.7 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--link);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
pre:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}
.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 8px;
  top: 8px;
  background: var(--gold);
  color: #0d1b2a;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  z-index: 100;
}
/* header */
.top {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 3.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0 1.25rem;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--fg);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.brand svg {
  width: 1.4rem;
  height: 1.4rem;
}
.topnav {
  display: flex;
  gap: 1.1rem;
  font-size: 0.92rem;
}
.topnav a {
  color: var(--muted);
  text-decoration: none;
}
.topnav a:hover,
.topnav a[aria-current] {
  color: var(--fg);
}
.top .grow {
  flex: 1;
}
.search-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 15rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
.search-btn kbd {
  margin-left: auto;
  font: inherit;
  font-size: 0.72rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0 0.35rem;
  background: var(--soft);
}
.icon-btn {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--fg);
  cursor: pointer;
}
.icon-btn svg {
  width: 1.1rem;
  height: 1.1rem;
}
.menu-btn {
  display: none;
}
/* layout */
.shell {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr) 15rem;
  max-width: 92rem;
  margin: 0 auto;
}
.side {
  position: sticky;
  top: 3.5rem;
  height: calc(100vh - 3.5rem);
  overflow: auto;
  padding: 1.5rem 1rem 3rem 1.25rem;
  border-right: 1px solid var(--line);
}
.side h2 {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--fg);
  margin: 1.4rem 0 0.35rem;
  padding: 0 0.6rem;
}
.side h2:first-child {
  margin-top: 0;
}
.side ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.side a {
  display: block;
  padding: 0.28rem 0.6rem;
  border-radius: 6px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.93rem;
}
.side a:hover {
  background: var(--hover);
  color: var(--fg);
}
.side a[aria-current="page"] {
  background: var(--soft);
  color: var(--fg);
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--gold);
}
main {
  padding: 2.25rem 3rem 4rem;
  min-width: 0;
}
.crumbs {
  font-size: 0.88rem;
  color: var(--muted);
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.crumbs span[aria-hidden] {
  opacity: 0.5;
}
.crumbs .here {
  color: var(--fg);
}
article {
  max-width: 46rem;
}
article h1 {
  font-size: 2.5rem;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 1.4rem 0 0.4rem;
}
.updated {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0 0 1.2rem;
}
.lede {
  font-size: 1.15rem;
  color: var(--fg);
  margin: 0 0 1.5rem;
}
article h2 {
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin: 2.6rem 0 0.8rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
article h3 {
  font-size: 1.2rem;
  margin: 1.8rem 0 0.5rem;
}
article p,
article li {
  max-width: 44rem;
}
.anchor {
  margin-left: 0.4rem;
  opacity: 0;
  text-decoration: none;
  color: var(--muted);
  font-weight: 400;
}
h2:hover .anchor,
h3:hover .anchor,
.anchor:focus {
  opacity: 1;
}
:not(pre) > code {
  font-family: var(--mono);
  font-size: 0.8em;
  background: var(--soft);
  border: 1px solid var(--line);
  padding: 0.08em 0.35em;
  border-radius: 5px;
}
.table-wrap {
  overflow-x: auto;
  margin: 1.2rem 0;
  border: 1px solid var(--line);
  border-radius: 10px;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.93rem;
}
th {
  background: var(--soft);
  text-align: left;
  font-weight: 600;
}
th,
td {
  padding: 0.55rem 0.85rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
tr:last-child td {
  border-bottom: 0;
}
.callout {
  margin: 1.4rem 0;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  background: var(--panel);
}
.callout > :first-child {
  margin-top: 0;
}
.callout > :last-child {
  margin-bottom: 0;
}
/* code */
figure.code {
  margin: 1.3rem 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--codebg);
  overflow: hidden;
}
figure.code figcaption {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.8rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
  background: var(--soft);
}
figure.code figcaption svg {
  width: 0.95rem;
  height: 0.95rem;
}
.badge {
  margin-left: 0.4rem;
  padding: 0 0.45rem;
  border: 1px solid var(--pass);
  color: var(--pass);
  border-radius: 999px;
  font-size: 0.7rem;
  cursor: help;
}
.copy {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  padding: 0.15rem 0.4rem;
  border-radius: 5px;
}
.copy:hover {
  background: var(--hover);
  color: var(--fg);
}
figure.code pre {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow: auto;
  font: 400 0.8rem/1.65 var(--mono);
  background: transparent !important;
  tab-size: 2;
}
figure.code pre code {
  font: inherit;
}
.shiki span {
  color: var(--shiki-light);
  font-style: var(--shiki-light-font-style);
  font-weight: var(--shiki-light-font-weight);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .shiki span {
    color: var(--shiki-dark);
    font-style: var(--shiki-dark-font-style);
    font-weight: var(--shiki-dark-font-weight);
  }
}
:root[data-theme="dark"] .shiki span {
  color: var(--shiki-dark);
  font-style: var(--shiki-dark-font-style);
  font-weight: var(--shiki-dark-font-weight);
}
/* toc */
.toc {
  position: sticky;
  top: 3.5rem;
  height: calc(100vh - 3.5rem);
  overflow: auto;
  padding: 2.25rem 1.25rem 2rem 0;
  font-size: 0.88rem;
}
.toc h2 {
  font-size: 0.82rem;
  margin: 0 0 0.6rem;
  font-weight: 600;
}
.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}
.toc a {
  display: block;
  padding: 0.22rem 0.8rem;
  color: var(--muted);
  text-decoration: none;
  margin-left: -1px;
  border-left: 2px solid transparent;
}
.toc a.l3 {
  padding-left: 1.6rem;
}
.toc a:hover {
  color: var(--fg);
}
.toc a.on {
  color: var(--fg);
  border-left-color: var(--gold);
  font-weight: 600;
}
.toc .edit {
  display: inline-block;
  margin-top: 1.2rem;
  padding: 0.2rem 0;
  color: var(--muted);
}
/* pager + footer */
.pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3.5rem;
}
.pager a {
  display: block;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  text-decoration: none;
  color: var(--fg);
}
.pager a:hover {
  border-color: var(--gold);
}
.pager small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
}
.pager .next {
  text-align: right;
  grid-column: 2;
}
footer.site {
  max-width: 92rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
footer.site a {
  color: var(--muted);
}
/* search dialog */
dialog.search {
  margin: 8vh auto 0;
  width: min(40rem, calc(100vw - 2rem));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--fg);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}
dialog.search::backdrop {
  background: rgba(5, 12, 20, 0.55);
}
dialog.search input {
  width: 100%;
  padding: 1rem 1.1rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 1.05rem;
}
dialog.search input:focus {
  outline: none;
}
#hits {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  max-height: 55vh;
  overflow: auto;
}
#hits a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: var(--fg);
  text-decoration: none;
}
#hits a small {
  display: block;
  color: var(--muted);
}
#hits a:hover,
#hits a:focus {
  background: var(--hover);
  outline: none;
}
#hits .none {
  padding: 0.9rem 0.75rem;
  color: var(--muted);
}
@media (max-width: 1180px) {
  .shell {
    grid-template-columns: 16rem minmax(0, 1fr);
  }
  .toc {
    display: none;
  }
}
@media (max-width: 820px) {
  .shell {
    display: block;
  }
  .topnav,
  .search-btn kbd {
    display: none;
  }
  .search-btn {
    min-width: 0;
  }
  .menu-btn {
    display: grid;
  }
  .side {
    position: fixed;
    inset: 3.5rem 0 0 0;
    z-index: 25;
    height: auto;
    background: var(--bg);
    border-right: 0;
    transform: translateX(-100%);
    visibility: hidden;
  }
  body.nav-open .side {
    transform: none;
    visibility: visible;
  }
  main {
    padding: 1.5rem 1.1rem 3rem;
  }
  article h1 {
    font-size: 2rem;
  }
  .pager {
    grid-template-columns: 1fr;
  }
  .pager .next {
    grid-column: 1;
  }
}
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
  .side {
    transition:
      transform 0.18s ease,
      visibility 0.18s;
  }
}
@media print {
  .top,
  .side,
  .toc,
  .pager,
  footer.site {
    display: none;
  }
  .shell {
    display: block;
  }
}