/* User docs: the landing's night-mode palette and fonts, with a sidebar of
   pages on wide screens and a stacked layout on phones. */
:root {
  color-scheme: dark;
  --ink: #0d0b15;
  --panel: #17121f;
  --panel-2: #211829;
  --line: #352a3d;
  --fg: #eee6ec;
  --muted: #a898a8;
  --red: #f04a35;
  --teal: #6fe3c4;
  --pink: #ee8cc2;
  --display: "Jersey 10", "Arial Narrow", sans-serif;
  --pixel: "Tiny5", "Courier New", monospace;
  --body: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.3rem;
  --wrap: 76rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--ink);
  color: var(--fg);
  font: 400 var(--step-0)/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
.px { image-rendering: auto; }
a { color: var(--teal); }
a:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }
h1, h2, h3 { text-wrap: balance; margin: 0; -webkit-font-smoothing: none; font-smooth: never; }
.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* Top bar, as on the landing */
.top {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--ink) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.4rem; }
.top img { height: 56px; width: auto; object-fit: contain; flex-shrink: 0; min-width: 0; }
.top nav { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; font: 600 var(--step--1)/1 var(--mono); }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current] { color: var(--fg); }
@media (max-width: 560px) {
  .top img { height: 40px; }
  .top nav { gap: 0.9rem; }
  .top nav .wide { display: none; }
}
@media (max-width: 400px) { .top img { height: 30px; } .top nav { flex-wrap: nowrap; } }
/* En pantallas estrechas el logo no se encoge, y el enlace a la portada se
   oculta: el logo ya lleva a ella (los menús de algunos idiomas no caben). */
.top .wrap > a:first-child { flex-shrink: 0; }
@media (max-width: 420px) { .top nav > a:first-child, .top nav > a[href^="https://github.com"] { display: none; } .top img { height: 34px; } .top nav { gap: 0.7rem; } .top .wrap { gap: 0.6rem; } }

/* Language switcher: a globe with the current language; the others drop down */
.lang { position: relative; font: 600 var(--step--1)/1 var(--mono); }
.lang summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.4rem 0.5rem; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary:hover, .lang[open] summary { color: var(--fg); }
.lang .menu { position: absolute; right: 0; top: calc(100% + 0.45rem); z-index: 10; display: grid; min-width: 10rem; padding: 0.3rem; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 10px 30px rgb(0 0 0 / 0.45); }
.lang .menu a { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0.6rem; color: var(--muted); text-decoration: none; border-radius: 3px; }
.lang .menu a span { color: var(--line); }
.lang .menu a:hover { background: var(--panel-2); color: var(--fg); }
.lang .menu a[aria-current] { color: var(--fg); }
.lang .menu a[aria-current] span { color: var(--red); }

/* Sidebar + article */
.layout { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); padding-block: 2.5rem 4rem; }
@media (max-width: 880px) { .layout { grid-template-columns: 1fr; padding-top: 1.5rem; } }
.side { font: 400 var(--step--1)/1.4 var(--mono); }
.side .label { color: var(--red); font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.8rem; }
.side ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.15rem; }
.side a { display: block; padding: 0.35rem 0.6rem; border-radius: 4px; color: var(--muted); text-decoration: none; }
.side a:hover { color: var(--fg); background: var(--panel); }
.side a[aria-current] { color: var(--fg); background: var(--panel-2); box-shadow: inset 2px 0 0 var(--red); }
@media (min-width: 881px) { .side nav { position: sticky; top: 5.5rem; max-height: calc(100vh - 6.5rem); overflow-y: auto; } }
@media (max-width: 880px) {
  .side details { border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
  .side summary { cursor: pointer; padding: 0.7rem 0.9rem; color: var(--fg); }
  .side details ol { padding: 0 0.5rem 0.6rem; }
  .side .label { display: none; }
}
@media (min-width: 881px) { .side summary { display: none; } .side details > ol { display: grid; } }

article { min-width: 0; max-width: 46rem; }
article h1 { font: 400 56px/56px var(--display); margin-bottom: 0.75rem; }
@media (max-width: 560px) { article h1 { font-size: 44.8px; line-height: 46px; } }
article .lede { color: var(--muted); font-size: var(--step-1); line-height: 1.5; margin: 0 0 2rem; }
article h2 { font: 400 37.3333px/40px var(--display); margin: 2.6rem 0 0.8rem; scroll-margin-top: 5.5rem; }
article h3 { font: 600 var(--step-0)/1.4 var(--body); margin: 1.6rem 0 0.4rem; color: var(--fg); scroll-margin-top: 5.5rem; }
article p, article ul, article ol, article table, article pre, article figure, article .callout { margin: 0 0 1rem; }
article ul, article ol { padding-left: 1.3rem; }
article li { margin-bottom: 0.3rem; }
article li::marker { color: var(--red); }
article strong { color: var(--fg); }
.muted { color: var(--muted); }
code { font: 400 0.86em/1.4 var(--mono); background: var(--panel); border: 1px solid var(--line); border-radius: 3px; padding: 0.05em 0.35em; word-break: break-word; }
pre { padding: 1rem 1.2rem; overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; font: 400 0.88rem/1.6 var(--mono); }
pre code { background: none; border: 0; padding: 0; }
kbd {
  font: 700 0.78em/1 var(--mono);
  background: var(--red); color: #fff;
  padding: 0.2em 0.45em; border-radius: 3px;
  white-space: nowrap;
}
table { width: 100%; border-collapse: collapse; font-size: var(--step--1); display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font: 600 0.78rem/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
figure { display: grid; gap: 0.5rem; }
figcaption { font: 400 var(--step--1)/1.4 var(--mono); color: var(--muted); }
.shot { border-radius: 6px; border: 1px solid var(--line); background: #000; width: 100%; max-width: 36rem; }
.shot.phone { max-width: 15rem; border-radius: 18px; }
.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
@media (max-width: 640px) { .pair { grid-template-columns: 1fr; } }
.callout { border: 1px solid var(--line); border-left: 3px solid var(--teal); background: var(--panel); border-radius: 6px; padding: 0.8rem 1rem; color: var(--muted); }
.callout strong { color: var(--fg); }
.soon { border-left-color: var(--pink); }
.soon .tag { display: inline-block; font: 600 0.72rem/1 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--pink); border: 1px solid var(--pink); border-radius: 3px; padding: 0.3rem 0.45rem; margin-bottom: 0.5rem; }

/* The docs home: a grid of topics */
.topics { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.topics li { margin: 0; }
.topics a { display: grid; align-content: start; gap: 0.35rem; height: 100%; padding: 1.1rem 1.2rem; background: var(--panel); text-decoration: none; color: var(--fg); }
.topics a:hover { background: var(--panel-2); }
.topics span { color: var(--muted); font-size: var(--step--1); line-height: 1.5; }
.topics strong { font: 400 28px/28px var(--display); -webkit-font-smoothing: none; }

/* FAQ */
details.q { border-bottom: 1px solid var(--line); padding: 0.4rem 0; }
details.q summary { cursor: pointer; font-weight: 700; padding: 0.5rem 0; list-style: none; }
details.q summary::before { content: "▸ "; color: var(--red); }
details.q[open] summary::before { content: "▾ "; }
details.q summary::-webkit-details-marker { display: none; }
details.q > :not(summary) { color: var(--muted); }

.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font: 600 var(--step--1)/1.4 var(--mono); }
.pager a { text-decoration: none; }

footer { border-top: 1px solid var(--line); padding-block: 2rem; color: var(--muted); font-size: var(--step--1); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; }