/*
  Site layout and DITA content styling. Colours and fonts come from the theme file.
  Optional theme hooks (with fallbacks): --cn-header-bg, --cn-header-text, --cn-header-border,
  --cn-heading, --cn-heading-weight, --cn-heading-tracking, --cn-link-hover,
  --cn-active-bg, --cn-active-text, --cn-active-bar.
  Classes prefixed "cn-" are created by site.js; the others come from DITA-OT.
*/

/* ---------- base ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-padding-top: 5rem; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--cn-bg);
  color: var(--cn-text);
  font: 16px/1.6 var(--cn-font-body);
  display: grid;
  grid-template-columns: 19rem minmax(0, 1fr);
  grid-template-rows: auto 1fr;
  grid-template-areas: "header header" "nav main";
}

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

:focus-visible { outline: 2px solid var(--cn-focus); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3, h4 { font-family: var(--cn-font-heading); font-weight: var(--cn-heading-weight, 600); line-height: 1.25; letter-spacing: var(--cn-heading-tracking, normal); color: var(--cn-text); }

/* ---------- header -------------------------------------------------------- */
.site-header {
  grid-area: header;
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .7rem 1.5rem;
  background: var(--cn-header-bg, var(--cn-accent-strong));
  color: var(--cn-header-text, var(--cn-accent-contrast));
  border-bottom: 1px solid var(--cn-header-border, transparent);
  box-shadow: var(--cn-shadow);
}

.site-title {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: inherit;
  text-decoration: none;
  font: 600 1.15rem/1.2 var(--cn-font-heading);
  letter-spacing: .01em;
}
.site-title:hover { color: inherit; opacity: .85; }
.site-logo { font-size: 1.3rem; }

.site-tools { margin-left: auto; display: flex; align-items: center; gap: .5rem; }

.cn-lang { display: flex; gap: .15rem; }
.cn-lang a, .cn-lang span,
.cn-icon-button {
  color: inherit;
  background: transparent;
  border: 1px solid color-mix(in srgb, currentColor 35%, transparent);
  border-radius: 999px;
  padding: .2rem .7rem;
  font: inherit;
  font-size: .85rem;
  line-height: 1.5;
  text-decoration: none;
  cursor: pointer;
}
.cn-lang span[aria-current] { background: color-mix(in srgb, currentColor 18%, transparent); }
.cn-lang a:hover, .cn-icon-button:hover { background: color-mix(in srgb, currentColor 12%, transparent); color: inherit; }
.cn-menu-toggle { display: none; }

/* ---------- navigation ---------------------------------------------------- */
nav.toc {
  grid-area: nav;
  position: sticky;
  top: 3.4rem;
  align-self: start;
  height: calc(100vh - 3.4rem);
  overflow-y: auto;
  padding: 1.25rem 1rem 2rem 1.25rem;
  border-right: 1px solid var(--cn-border);
  background: var(--cn-surface);
  font-size: .92rem;
}
nav.toc ul { list-style: none; margin: 0; padding: 0; }
nav.toc ul ul { padding-left: .95rem; margin-left: .45rem; border-left: 1px solid var(--cn-border); }
nav.toc li { margin: 1px 0; }
nav.toc li > a, nav.toc li > span,
nav.toc .cn-row > a, nav.toc .cn-row > span {
  display: flex;
  align-items: baseline;
  gap: .45rem;
  padding: .22rem .5rem;
  border-radius: 6px;
  color: var(--cn-text);
  text-decoration: none;
}
nav.toc > ul > li { margin-top: .5rem; }
nav.toc > ul > li > a, nav.toc > ul > li > span,
nav.toc > ul > li > .cn-row > a, nav.toc > ul > li > .cn-row > span { font-weight: 600; }
nav.toc a:hover { background: var(--cn-surface-2); color: var(--cn-text); }
nav.toc li.active > a, nav.toc li.active > .cn-row > a { background: var(--cn-active-bg, var(--cn-highlight)); color: var(--cn-active-text, var(--cn-accent-strong)); font-weight: 600; box-shadow: inset 3px 0 0 var(--cn-active-bar, transparent); }

.cn-row { display: flex; align-items: flex-start; }
.cn-row > a, .cn-row > span { flex: 1; }
.cn-twisty {
  flex: none;
  width: 1.4rem;
  height: 1.6rem;
  margin-left: -1.4rem;
  border: 0;
  background: none;
  color: var(--cn-muted);
  cursor: pointer;
  font-size: .7rem;
}
.cn-twisty::before { content: "\25BE"; display: inline-block; font-size: .85rem; transition: transform .15s; }
.cn-twisty[aria-expanded="false"]::before { transform: rotate(-90deg); }
nav.toc li.cn-collapsed > ul { display: none; }
nav.toc li.cn-hidden { display: none; }
nav.toc li.cn-context > .cn-row > a, nav.toc li.cn-context > .cn-row > span { color: var(--cn-muted); }
nav.toc mark { background: var(--cn-highlight); color: inherit; border-radius: 3px; padding: 0 1px; }

/* topic type colours */
.type-concept { --cn-type: var(--cn-type-concept); }
.type-task { --cn-type: var(--cn-type-task); }
.type-reference { --cn-type: var(--cn-type-reference); }
.type-troubleshooting { --cn-type: var(--cn-type-troubleshooting); }

.cn-dot {
  flex: none;
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--cn-type, var(--cn-type-other));
  transform: translateY(-.05rem);
}

/* start page link (top of the sidebar) */
.cn-home {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-bottom: .9rem;
  padding: .3rem .75rem;
  font-size: .85rem;
  font-weight: 600;
  color: var(--cn-text);
  text-decoration: none;
  border: 1px solid var(--cn-border);
  border-radius: 999px;
}
.cn-home:hover { border-color: var(--cn-accent); color: var(--cn-accent); }

/* filter panel */
.cn-field { display: grid; gap: .2rem; }
.cn-doc-map select { font-weight: 600; }
.cn-filter {
  display: grid;
  gap: .6rem;
  padding-bottom: 1rem;
  margin-bottom: .5rem;
  border-bottom: 1px solid var(--cn-border);
}
.cn-filter input[type="search"], .cn-filter select {
  width: 100%;
  padding: .45rem .7rem;
  font: inherit;
  color: var(--cn-text);
  background: var(--cn-bg);
  border: 1px solid var(--cn-border);
  border-radius: 8px;
}
.cn-filter input[type="search"]:focus, .cn-filter select:focus { border-color: var(--cn-accent); outline: none; box-shadow: 0 0 0 3px var(--cn-highlight); }
.cn-chips { display: flex; flex-wrap: wrap; gap: .35rem; border: 0; padding: 0; margin: 0; }
.cn-chips legend, .cn-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--cn-muted); margin-bottom: .2rem; padding: 0; }
.cn-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .15rem .6rem;
  font: inherit;
  font-size: .8rem;
  color: var(--cn-text);
  background: var(--cn-bg);
  border: 1px solid var(--cn-border);
  border-radius: 999px;
  cursor: pointer;
}
.cn-chip[aria-pressed="true"] { background: var(--cn-highlight); border-color: var(--cn-type, var(--cn-accent)); }
.cn-chip[aria-pressed="false"] { opacity: .55; }
.cn-status { display: flex; justify-content: space-between; align-items: center; font-size: .8rem; color: var(--cn-muted); }
.cn-reset { font: inherit; color: var(--cn-link); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; }
.cn-reset[hidden] { display: none; }
.cn-empty { color: var(--cn-muted); font-style: italic; padding: .5rem; }

/* ---------- main content -------------------------------------------------- */
main {
  grid-area: main;
  width: 100%;
  max-width: 54rem;
  padding: 2rem 2.5rem 4rem;
}
main > article {
  background: var(--cn-surface);
  border: 1px solid var(--cn-border);
  border-radius: var(--cn-radius);
  box-shadow: var(--cn-shadow);
  padding: 2rem 2.5rem 2.5rem;
}

.cn-topic-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-bottom: .3rem; font-size: .82rem; color: var(--cn-muted); }
.cn-badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .1rem .6rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--cn-type, var(--cn-type-other));
  background: color-mix(in srgb, var(--cn-type, var(--cn-type-other)) 14%, transparent);
}
.cn-crumbs { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.cn-crumbs li + li::before { content: "\203A"; margin-right: .35rem; }
.cn-crumbs a { color: var(--cn-muted); }

h1.topictitle1 { font-size: 2rem; margin: .2rem 0 1rem; color: var(--cn-heading, var(--cn-accent-strong)); }
h2, .sectiontitle, .topictitle2 { font-size: 1.35rem; margin: 2rem 0 .75rem; }
.shortdesc { font-size: 1.08rem; color: var(--cn-muted); margin-top: 0; }
p { margin: .6rem 0; }

ul, ol { padding-left: 1.4rem; }
li { margin: .25rem 0; }
li::marker { color: var(--cn-accent); }

/* tables (CALS tables, simpletables, properties) */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1rem 0 1.5rem;
  border: 1px solid var(--cn-border);
  border-radius: 8px;
  overflow: hidden;
  font-size: .95rem;
}
th, td { padding: .55rem .8rem; text-align: left; vertical-align: top; border: 0; border-bottom: 1px solid var(--cn-border); }
/* DITA-OT draws cell borders via border="1" and frame/colsep/rowsep classes: soften them */
main table { width: 100% !important; border-color: var(--cn-border) !important; }
main table th, main table td { border-style: solid; border-color: var(--cn-border) !important; border-width: 0 0 1px 0 !important; }
thead tr { background: var(--cn-surface-2); }
thead th, thead td { font-weight: 600; }
tbody tr:last-child > * { border-bottom: 0; }
tbody tr:nth-child(even) > * { background: color-mix(in srgb, var(--cn-surface-2) 45%, transparent); }
/* DITA-OT reserves a third (description) column even when no property has one */
table.properties col { width: auto !important; }
table.cn-no-desc col:nth-child(3), table.cn-no-desc .propdesc, table.cn-no-desc .propdeschd { display: none; }
table.properties td:first-child, table.properties th:first-child { width: 40%; font-weight: 600; }
caption { caption-side: top; text-align: left; font-weight: 600; padding: .5rem 0; }

dl { display: grid; grid-template-columns: max-content 1fr; gap: .35rem 1.25rem; margin: 1rem 0; }
dt { font-weight: 600; }
dd { margin: 0; }

/* figures */
figure, .fig { margin: 1.5rem 0; }
figure img, .fig img, img.image { max-width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--cn-border); background: #fff; }
figcaption { font-size: .9rem; color: var(--cn-muted); margin-top: .4rem; }

/* tasks */
ol.steps, ul.steps-unordered { padding-left: 0; list-style: none; counter-reset: step; }
ol.steps > li, ul.steps-unordered > li {
  position: relative;
  padding: .6rem .9rem .6rem 3rem;
  margin: .5rem 0;
  border: 1px solid var(--cn-border);
  border-radius: 8px;
  background: var(--cn-bg);
}
ol.steps > li { counter-increment: step; }
ol.steps > li::before, ul.steps-unordered > li::before {
  position: absolute;
  left: .8rem;
  top: .6rem;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: .8rem;
  font-weight: 700;
  color: var(--cn-accent-contrast);
  background: var(--cn-type-task);
}
ol.steps > li::before { content: counter(step); }
ul.steps-unordered > li::before { content: "\2713"; }
.cmd { font-weight: 600; }
.info, .stepresult { color: var(--cn-muted); margin-top: .2rem; }
.info p { margin: .2rem 0; }

/* troubleshooting */
.troubleSolution, .troublesolution {
  border: 1px solid var(--cn-border);
  border-left: 4px solid var(--cn-type-troubleshooting);
  border-radius: 8px;
  padding: .4rem 1rem;
  margin: .8rem 0;
  background: var(--cn-bg);
}
.cause .sectiontitle, .remedy .sectiontitle, .cause h2, .remedy h2, .cause h3, .remedy h3 { font-family: var(--cn-font-body); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--cn-muted); margin: .6rem 0 .1rem; }

/* notes */
.note { border-left: 4px solid var(--cn-accent); background: var(--cn-surface-2); padding: .6rem 1rem; border-radius: 0 8px 8px 0; margin: 1rem 0; }
.note .note__title { font-weight: 700; }

/* related links (DITA-OT) and pager (site.js) */
nav.related-links { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--cn-border); font-size: .95rem; }
nav.related-links ul { list-style: none; padding: 0; }
nav.related-links strong { font-weight: 500; }

.cn-pager { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: 1.5rem; }
.cn-pager a {
  display: block;
  padding: .8rem 1rem;
  border: 1px solid var(--cn-border);
  border-radius: var(--cn-radius);
  background: var(--cn-surface);
  text-decoration: none;
  color: var(--cn-text);
}
.cn-pager a:hover { border-color: var(--cn-accent); }
.cn-pager small { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--cn-muted); }
.cn-pager .cn-next { grid-column: 2; text-align: right; }

/* ---------- home ------------------------------------------------------------ */
.doc-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.cn-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--cn-border);
  border-radius: var(--cn-radius);
  background: var(--cn-bg);
  color: var(--cn-text);
  text-decoration: none;
  transition: border-color .15s, transform .15s;
}
.cn-card:hover { border-color: var(--cn-accent); transform: translateY(-2px); color: var(--cn-text); }
.cn-card h2 { margin: 0; font-size: 1.1rem; }
.cn-card p { margin: 0; font-size: .9rem; color: var(--cn-muted); }
.cn-card .cn-types { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: auto; }

/* landing page (language choice) */
body.cn-landing { display: block; }
body.cn-landing main { margin: 0 auto; }
.cn-product { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem 2rem; margin-bottom: 2rem; }
.cn-product h1 { margin: 0 0 .25rem; }
.cn-qr {
  width: 11rem;
  max-width: 100%;
  height: auto;
  padding: .5rem;
  background: #fff;            /* QR codes stay dark on white for scanning */
  border: 1px solid var(--cn-border);
  border-radius: 8px;
}
.cn-lang-choice { display: flex; flex-wrap: wrap; gap: .6rem; padding-top: 1.5rem; border-top: 1px solid var(--cn-border); }
.cn-lang-button {
  padding: .5rem 1.4rem;
  border: 1px solid var(--cn-accent);
  border-radius: 999px;
  color: var(--cn-accent-strong);
  text-decoration: none;
  font-weight: 600;
}
.cn-lang-button:hover { background: var(--cn-accent); color: var(--cn-accent-contrast); }

/* ---------- small screens ---------------------------------------------------- */
@media (max-width: 900px) {
  body { grid-template-columns: minmax(0, 1fr); grid-template-areas: "header" "main"; }
  .cn-menu-toggle { display: inline-block; }
  .site-header { flex-wrap: wrap; gap: .5rem; padding: .6rem 1rem; }
  .site-tools { flex-wrap: wrap; justify-content: flex-end; }
  .cn-icon-button, .cn-lang a, .cn-lang span { padding: .15rem .55rem; }
  nav.toc {
    display: none;
    position: fixed;
    inset: 3.4rem 0 0 0;
    height: auto;
    z-index: 15;
    border-right: 0;
  }
  body.cn-nav-open nav.toc { display: block; }
  main { padding: 1rem; }
  main > article { padding: 1.25rem; }
  .site-title span:last-child { font-size: 1rem; }
}

/* ---------- print ------------------------------------------------------------- */
@media print {
  body { display: block; background: #fff; color: #000; }
  .site-header, nav.toc, .cn-pager, .cn-topic-meta { display: none; }
  main { max-width: none; padding: 0; }
  main > article { border: 0; box-shadow: none; padding: 0; }
}