/* Connect by JBRH — public documentation.
   One stylesheet, no JavaScript, no web fonts, no off-origin request. The
   application's CSP allows styles from 'self' with inline style permitted; this
   file is served from /static/docs/docs.css so a page needs nothing else.

   Written mobile-first. Nothing here may cause horizontal page overflow: wide
   content (tables, code) scrolls inside its own focusable region instead. */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fa;
  --bg-sunk: #eef1f4;
  --ink: #14181d;
  --ink-2: #3d454e;
  --ink-3: #6a6f77;
  --line: #d8dee5;
  --line-soft: #e7ecf1;
  --brand: #0b6b5e;
  --link: #0a5f7a;
  --link-visited: #5b4b8a;
  --focus: #0a5f7a;
  --ok: #1c6b3a;
  --warn-bg: #fff6e6;
  --warn-line: #e0a635;
  --note-bg: #eef4fb;
  --note-line: #7ba4d0;
  --code-bg: #f3f5f7;
  --radius: 10px;
  --measure: 74ch;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #10141a;
    --bg-soft: #161b22;
    --bg-sunk: #1c222b;
    --ink: #e8edf3;
    --ink-2: #c2cad4;
    --ink-3: #8f99a6;
    --line: #2b333d;
    --line-soft: #232a33;
    --brand: #4fd3bd;
    --link: #6fc6e8;
    --link-visited: #b3a6e8;
    --focus: #6fc6e8;
    --ok: #63c98d;
    --warn-bg: #2c2413;
    --warn-line: #b98a2c;
    --note-bg: #13202e;
    --note-line: #3f6d99;
    --code-bg: #191f27;
  }
}

:root[data-theme="dark"] {
  --bg: #10141a; --bg-soft: #161b22; --bg-sunk: #1c222b;
  --ink: #e8edf3; --ink-2: #c2cad4; --ink-3: #8f99a6;
  --line: #2b333d; --line-soft: #232a33;
  --brand: #4fd3bd; --link: #6fc6e8; --link-visited: #b3a6e8; --focus: #6fc6e8;
  --ok: #63c98d; --warn-bg: #2c2413; --warn-line: #b98a2c;
  --note-bg: #13202e; --note-line: #3f6d99; --code-bg: #191f27;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body.doc {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  overflow-wrap: break-word;
}

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:visited { color: var(--link-visited); }
a:hover { text-decoration-thickness: 2px; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 3px;
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--bg); color: var(--ink); padding: .6rem 1rem; z-index: 20;
}
.skip:focus { left: .5rem; top: .5rem; }

/* ------------------------------------------------------------------ chrome */

.topbar {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  padding: .7rem clamp(1rem, 4vw, 2rem);
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}
.topbar .brand { display: flex; align-items: center; gap: .5rem; color: inherit; text-decoration: none; font-size: 1.05rem; }
.topbar .brand strong { color: var(--brand); }
.topbar nav { flex: 1 1 auto; min-width: 0; }
.topbar nav ul { display: flex; flex-wrap: wrap; gap: .25rem .9rem; list-style: none; margin: 0; padding: 0; font-size: .9rem; }
.topbar nav a { color: var(--ink-2); text-decoration: none; }
.topbar nav a:hover { color: var(--link); text-decoration: underline; }
.topbar .app {
  border: 1px solid var(--line); border-radius: 999px;
  padding: .3rem .9rem; font-size: .85rem; text-decoration: none;
  color: var(--ink); background: var(--bg);
}

.crumbs { padding: .6rem clamp(1rem, 4vw, 2rem) 0; font-size: .85rem; color: var(--ink-3); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: .3rem; list-style: none; margin: 0; padding: 0; }
.crumbs li + li::before { content: "›"; margin-right: .3rem; color: var(--ink-3); }
.crumbs a { color: var(--ink-3); }

main { padding: 0 clamp(1rem, 4vw, 2rem) 3rem; }
article { max-width: var(--measure); margin: 0 auto; }

/* -------------------------------------------------------------------- head */

.head { padding: 1.2rem 0 .4rem; border-bottom: 1px solid var(--line-soft); }
h1 { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.3rem); line-height: 1.2; margin: 0 0 .6rem; letter-spacing: -.01em; }
.answer { font-size: 1.12rem; line-height: 1.55; color: var(--ink); margin: 0 0 1.1rem; }

dl.meta { display: grid; gap: .3rem; margin: 0 0 1.2rem; font-size: .88rem; }
.meta-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.meta-row dt { color: var(--ink-3); min-width: 8.5rem; margin: 0; }
.meta-row dd { margin: 0; color: var(--ink-2); }

.status { display: inline-block; border-radius: 999px; padding: .05rem .55rem; font-size: .8rem; border: 1px solid var(--line); }
.s-available { color: var(--ok); border-color: currentColor; }
.s-available_owner { color: var(--ink-2); }
.s-foundation { color: var(--warn-line); border-color: currentColor; }
.s-not_yet { color: var(--ink-3); }
.s-reference { color: var(--ink-3); }
.chip { display: inline-block; border: 1px solid var(--line); border-radius: 999px; padding: .05rem .5rem; font-size: .8rem; margin-right: .3rem; }

/* --------------------------------------------------------------------- toc */

.toc { background: var(--bg-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); padding: .8rem 1rem; margin: 1.4rem 0; }
.toc h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); margin: 0 0 .4rem; border: 0; padding: 0; }
.toc ul { columns: 2 16rem; column-gap: 1.5rem; list-style: none; margin: 0; padding: 0; font-size: .92rem; }
.toc li { break-inside: avoid; margin: .12rem 0; }

/* ------------------------------------------------------------------ bodies */

section { margin: 2rem 0; }
h2 { font-size: 1.3rem; line-height: 1.3; margin: 0 0 .7rem; padding-bottom: .3rem; border-bottom: 1px solid var(--line-soft); }
h3 { font-size: 1.05rem; margin: 1.3rem 0 .4rem; }
p { margin: 0 0 .9rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.35rem; }
li { margin: .25rem 0; }

.anchor { float: right; color: var(--ink-3); text-decoration: none; font-weight: 400; opacity: 0; font-size: .9rem; }
h2:hover .anchor, .anchor:focus-visible { opacity: 1; }

ol.steps { list-style: decimal; padding-left: 1.4rem; }
ol.steps > li { margin: 0 0 .9rem; }
ol.steps .do { margin: 0 0 .25rem; }
ol.steps .then { margin: 0; color: var(--ink-2); font-size: .93rem; }
ol.steps .then span { color: var(--ink-3); text-transform: uppercase; font-size: .72rem; letter-spacing: .07em; margin-right: .35rem; }

ol.pipeline { list-style: none; padding: 0; margin: 0 0 1rem; counter-reset: stage; }
ol.pipeline li {
  counter-increment: stage;
  position: relative; padding: .35rem 0 .35rem 2.4rem; margin: 0;
  border-left: 2px solid var(--line);
}
ol.pipeline li::before {
  content: counter(stage);
  position: absolute; left: -.75rem; top: .35rem;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--bg-sunk); border: 1px solid var(--line);
  display: grid; place-items: center; font-size: .75rem; color: var(--ink-2);
}
ol.pipeline li:last-child { border-left-color: transparent; }

dl:not(.meta) { margin: 0 0 1rem; }
dl:not(.meta) dt { font-weight: 600; margin-top: .7rem; }
dl:not(.meta) dd { margin: .1rem 0 0; color: var(--ink-2); }

.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; max-width: 100%; margin: 0 0 1rem; border: 1px solid var(--line-soft); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; min-width: 34rem; }
th, td { text-align: left; vertical-align: top; padding: .5rem .7rem; border-bottom: 1px solid var(--line-soft); }
thead th { background: var(--bg-soft); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); border-bottom: 1px solid var(--line); }
tbody th { font-weight: 600; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }

pre.code {
  background: var(--code-bg); border: 1px solid var(--line-soft);
  border-radius: var(--radius); padding: .8rem 1rem;
  overflow-x: auto; font-size: .86rem; line-height: 1.5; margin: 0 0 1rem;
}
code { background: var(--code-bg); border-radius: 4px; padding: .08em .35em; font-size: .9em; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
pre.code code { background: none; padding: 0; }

aside.note, aside.warn {
  border-left: 3px solid var(--note-line); background: var(--note-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: .7rem .9rem; margin: 0 0 1rem;
}
aside.warn { border-left-color: var(--warn-line); background: var(--warn-bg); }
aside.note b, aside.warn b { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-3); margin-bottom: .2rem; }
aside.note p, aside.warn p { margin: 0; }

.qa { margin: 0 0 1.1rem; }
.qa h3 { margin: 0 0 .25rem; font-size: 1rem; }
.qa p { margin: 0; color: var(--ink-2); }

ul.related { list-style: none; padding: 0; display: grid; gap: .35rem; }
ul.related li { margin: 0; }

.sources { margin-top: 2.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line); font-size: .88rem; color: var(--ink-2); }
.sources h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); border: 0; padding: 0; margin: 0 0 .4rem; }
.sources ul { padding-left: 1.2rem; }
.fine { color: var(--ink-3); font-size: .85rem; }

/* ------------------------------------------------------------------- index */

.index-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); list-style: none; padding: 0; margin: 0 0 1.5rem; }
.index-grid li { margin: 0; border: 1px solid var(--line-soft); border-radius: var(--radius); padding: .8rem .9rem; background: var(--bg-soft); }
.index-grid a { font-weight: 600; text-decoration: none; }
.index-grid a:hover { text-decoration: underline; }
.index-grid p { margin: .25rem 0 0; font-size: .88rem; color: var(--ink-2); }

/* ----------------------------------------------------------------- sitefoot */

.sitefoot { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 1.4rem clamp(1rem, 4vw, 2rem) 2.4rem; font-size: .9rem; color: var(--ink-2); }
.sitefoot nav ul { display: flex; flex-wrap: wrap; gap: .3rem 1rem; list-style: none; margin: .5rem 0; padding: 0; }

/* ------------------------------------------------------------ search, pager */

.vh { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
      clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.dsearch { position: relative; display: flex; gap: .35rem; align-items: center; flex: 0 1 18rem; min-width: 12rem; }
.dsearch input { flex: 1 1 auto; min-width: 0; font: inherit; font-size: .9rem; padding: .35rem .7rem;
                 border: 1px solid var(--line); border-radius: 999px; background: var(--bg); color: var(--ink); }
.dsearch button { font: inherit; font-size: .82rem; padding: .32rem .75rem; border: 1px solid var(--line);
                  border-radius: 999px; background: var(--bg); color: var(--ink); cursor: pointer; }
.dsearch-list { position: absolute; top: calc(100% + .3rem); left: 0; right: 0; z-index: 30; margin: 0; padding: .3rem;
                list-style: none; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius);
                box-shadow: 0 8px 24px rgba(0,0,0,.12); max-height: 70vh; overflow-y: auto; min-width: min(28rem, 92vw); }
.dsearch-list li { margin: 0; }
.dsearch-list a { display: block; padding: .45rem .55rem; border-radius: 6px; text-decoration: none; color: var(--ink); }
.dsearch-list a small { display: block; color: var(--ink-3); font-size: .78rem; }
.dsearch-list [aria-selected="true"] a, .dsearch-list a:hover { background: var(--bg-sunk); }
.dsearch-page { max-width: 36rem; margin: 0 0 1rem; }
.dsearch-page label { font-weight: 600; margin-right: .3rem; }
.dsearch-results { padding-left: 1.3rem; }
.dsearch-results li { margin: 0 0 .8rem; }
.dsearch-results small { display: block; color: var(--ink-3); }
.plabel { display: inline-block; margin-left: .35rem; font-size: .8rem; color: var(--ink-2); }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; margin: 2rem 0 0; }
.pager a { display: block; border: 1px solid var(--line-soft); border-radius: var(--radius);
           padding: .7rem .9rem; text-decoration: none; background: var(--bg-soft); }
.pager a span { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .07em; color: var(--ink-3); }
.pager .pager-next { grid-column: 2; text-align: right; }
.copybtn { font: inherit; font-size: .78rem; margin: -.4rem 0 1rem; padding: .22rem .7rem; cursor: pointer;
           border: 1px solid var(--line); border-radius: 999px; background: var(--bg); color: var(--ink-2); }
pre.code + .copybtn { margin-top: -.6rem; }
.allsections h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); border: 0; padding: 0; margin: 0 0 .3rem; }
.allsections ul { display: flex; flex-wrap: wrap; gap: .25rem 1rem; list-style: none; margin: 0 0 1rem; padding: 0; }

@media (max-width: 40rem) {
  .dsearch { flex: 1 1 100%; order: 3; }
  .pager { grid-template-columns: 1fr; }
  .pager .pager-next { grid-column: 1; text-align: left; }
}

/* -------------------------------------------------------------------- wide */

@media (min-width: 62rem) {
  article { max-width: var(--measure); }
  .head { padding-top: 1.6rem; }
}

/* ------------------------------------------------------------------- print */

@media print {
  .topbar, .toc, .skip, .sitefoot nav, .anchor { display: none; }
  body.doc { font-size: 11pt; color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
  a[href^="/"]::after { content: " (connectbyjbrh.com" attr(href) ")"; font-size: 9pt; }
  .scroll-x, pre.code { overflow: visible; }
  section { break-inside: auto; }
  h2 { break-after: avoid; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

@media (forced-colors: active) {
  .status, .chip, .index-grid li { border: 1px solid CanvasText; }
  :focus-visible { outline: 3px solid Highlight; }
}