/* Docs only: the three-column wiki layout, the Markdown output of build-docs.py, code colours,
   search and the device filter. Nav, footer, buttons, chips and tables come from site.css. */

html { scroll-padding-top: 80px; } /* an anchor lands below the 64px sticky nav, not under it */

/* layout: sidebar | page | on this page. Full width, so the sidebar sits on the left edge */
.docs-content { min-width: 0; padding: 32px 16px 96px; }
.docs-content > * { max-width: 760px; margin-inline: auto; }
.toc-column { display: none; }

/* sidebar: page tree on surface-container-low. A popover drawer under 840, a column above */
.sidebar {
  margin: 0;
  padding: 16px 12px 32px;
  border: 0;
  background: var(--md-sys-color-surface-container-low);
  color: var(--md-sys-color-on-surface);
  font: inherit; /* a popover and its buttons do not reliably inherit the page font */
}
.sidebar-group { margin-top: 8px; }
.sidebar-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 40px;
  padding: 0 16px;
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 12px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
  list-style: none;
  cursor: pointer;
}
.sidebar-heading::-webkit-details-marker { display: none; }
.sidebar-heading::after {
  content: "expand_more";
  font: 400 20px/1 "Material Symbols Rounded";
  letter-spacing: 0; /* a ligature; letter-spacing would spell the word out */
  transition: rotate var(--motion-spatial-fast);
}
.sidebar-group:not([open]) > .sidebar-heading::after { rotate: -90deg; }
.sidebar-heading:hover { background: color-mix(in srgb, transparent, var(--md-sys-color-on-surface) 8%); }
.sidebar-link {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  border-radius: var(--md-sys-shape-corner-full);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 0.1px;
  text-decoration: none;
  transition: background-color var(--motion-effects-fast), color var(--motion-effects-fast);
}
.sidebar-link:hover { background: color-mix(in srgb, transparent, var(--md-sys-color-on-surface) 8%); color: var(--md-sys-color-on-surface); }
.sidebar-link[aria-current="page"] { background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container); font-weight: 600; }
.sidebar-close, .doc-breadcrumb { display: none; }

/* search button, top of the sidebar. Revealed by docs.js, so without JavaScript it is not there */
.search-open {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  height: 48px;
  margin-bottom: 8px;
  padding: 0 12px 0 16px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-full);
  background: var(--md-sys-color-surface-container);
  color: var(--md-sys-color-on-surface-variant);
  font: inherit;
  font-size: 14px;
  line-height: 20px;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--motion-effects-default);
}
.search-open[hidden] { display: none; }
.search-open:hover { background: var(--md-sys-color-surface-container-highest); }
.search-open .icon { font-size: 20px; }
.search-open kbd { margin-left: auto; padding: 0 8px; border: 1px solid var(--md-sys-color-outline-variant); border-radius: var(--md-sys-shape-corner-sm); font: 500 12px/20px "IBM Plex Sans", sans-serif; letter-spacing: 0.5px; }

@media (min-width: 840px) {
  .docs-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); align-items: start; }
  /* the footer is a row of the grid, under the article only, so the sticky tree keeps its place
     while the footer scrolls in; outside the grid the tree scrolled away with the grid's end */
  .docs-layout .footer { grid-column: 2 / -1; }
  .sidebar {
    display: block;
    grid-row: 1 / -1;
    position: sticky;
    inset: 64px auto auto; /* undo the popover's inset: 0 */
    width: auto;
    height: calc(100dvh - 64px);
    overflow-y: auto;
    overscroll-behavior: contain; /* scrolling the tree never scrolls the page behind it */
    background: var(--md-sys-color-surface); /* the standard drawer shares the page's plane; no divider, the pill and labels do the structure */
  }
  .docs-content { padding: 48px 48px 96px; }
}
@media (min-width: 1200px) {
  .docs-layout { grid-template-columns: 280px minmax(0, 1fr) 240px; }
  .toc-column { display: block; position: sticky; top: 64px; max-height: calc(100dvh - 64px); overflow-y: auto; padding: 48px 24px 32px 0; }
}
@media (max-width: 839px) {
  /* the page tree becomes the M3 modal drawer from the left, the mirror of the menu drawer;
     the breadcrumb row is its handle and stays under the nav */
  .doc-breadcrumb {
    position: sticky;
    top: 64px;
    z-index: 5;
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    min-height: 48px;
    padding: 0 16px;
    border: 0;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface-variant);
    font: inherit;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.25px;
    text-align: left;
    cursor: pointer;
  }
  .doc-breadcrumb .bc-label { color: var(--md-sys-color-on-surface); }
  .sidebar {
    display: none;
    position: fixed;
    inset: 0 auto 0 0;
    width: min(360px, 100%);
    height: 100dvh;
    overflow-y: auto;
    border-radius: 0 var(--md-sys-shape-corner-lg) var(--md-sys-shape-corner-lg) 0;
    translate: -100% 0;
    transition: translate var(--motion-spatial-default), display var(--motion-spatial-default) allow-discrete, overlay var(--motion-spatial-default) allow-discrete;
  }
  .sidebar:popover-open { display: block; translate: 0 0; }
  @starting-style { .sidebar:popover-open { translate: -100% 0; } }
  .sidebar::backdrop { background: color-mix(in srgb, transparent, var(--md-sys-color-surface-container-lowest) 38%); }
  .sidebar-close { display: inline-flex; position: absolute; top: 16px; right: 12px; }
  .sidebar .search-open { width: calc(100% - 56px); } /* leaves room for the close button */
}

/* on this page. The current section is primary where the browser can tell (scroll-target-group) */
.toc-title { margin: 0 0 12px; color: var(--md-sys-color-on-surface-variant); font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: 0.5px; }
.toc ul { margin: 0; padding: 0; list-style: none; }
.toc a {
  display: block;
  padding: 4px 0 4px 12px;
  border-left: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 0.25px;
  text-decoration: none;
  transition: color var(--motion-effects-fast), border-color var(--motion-effects-fast);
}
.toc .toc-h3 a { padding-left: 24px; }
.toc a:hover { color: var(--md-sys-color-on-surface); }
@supports (scroll-target-group: auto) {
  .toc ul { scroll-target-group: auto; }
  .toc a:target-current { border-left-color: var(--md-sys-color-primary); color: var(--md-sys-color-primary); }
}

/* prose: the Markdown output. Sizes from the DESIGN.md type table */
.docs-content h1 { margin: 0 0 24px; font-size: 32px; line-height: 40px; }
.docs-content h2 { margin: 48px 0 16px; padding-top: 24px; border-top: 1px solid var(--md-sys-color-outline-variant); font-size: 22px; line-height: 28px; font-weight: 600; }
.docs-content h3 { margin: 32px 0 12px; font-size: 16px; line-height: 24px; font-weight: 600; letter-spacing: 0.15px; }
.docs-content h4 { margin: 24px 0 8px; font-size: 14px; line-height: 20px; font-weight: 600; letter-spacing: 0.1px; }
.header-anchor { margin-left: 8px; color: var(--md-sys-color-on-surface-variant); text-decoration: none; opacity: 0; transition: opacity var(--motion-effects-fast); }
:is(h1, h2, h3, h4):hover > .header-anchor, .header-anchor:focus-visible { opacity: 1; }
.docs-content p, .docs-content ul, .docs-content ol { margin: 0 0 16px; }
.docs-content ul, .docs-content ol { padding-left: 24px; }
.docs-content li { margin-bottom: 4px; }
.docs-content li > p { margin-bottom: 8px; }
.docs-content img { display: block; max-width: 100%; height: auto; margin: 16px 0; border: 1px solid var(--md-sys-color-outline-variant); border-radius: var(--md-sys-shape-corner-lg); }
.docs-content hr { margin: 32px 0; border: 0; border-top: 1px solid var(--md-sys-color-outline-variant); }
.docs-content hr + h2 { padding-top: 0; border-top: 0; } /* the page already drew its own rule */
.docs-content :not(pre) > code { overflow-wrap: anywhere; } /* a long path wraps instead of widening a phone screen */
.docs-content .table-wrap { margin: 16px 0; }
.docs-content td { white-space: normal; }
.docs-content blockquote, .docs-content details {
  margin: 16px 0;
  padding: 16px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-lg);
  background: var(--md-sys-color-surface-container-high);
}
.docs-content blockquote p:last-child, .callout p:last-child { margin-bottom: 0; }
.docs-content summary { min-height: 24px; font-weight: 600; cursor: pointer; }

/* callouts: a nested card whose left rule carries the type. Border and tint carry state, fills stay quiet */
.callout {
  margin: 16px 0;
  padding: 16px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-left: 4px solid var(--md-sys-color-primary);
  border-radius: var(--md-sys-shape-corner-lg);
  background: var(--md-sys-color-surface-container-high);
}
.callout-title { display: block; margin-bottom: 4px; font-size: 14px; line-height: 20px; font-weight: 600; letter-spacing: 0.1px; }
.callout-tip { border-left-color: var(--md-sys-color-secondary); }
.callout-warning, .callout-caution { border-left-color: var(--md-sys-color-tertiary); }
.callout-important { border-left-color: var(--md-sys-color-error); }

/* code: a header row with the language and the copy button, so neither sits on top of the first line */
.docs-content .code-block {
  display: grid;
  grid-template: "lang copy" 40px "code code" auto / 1fr auto;
  margin: 16px 0;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-lg);
  background: var(--md-sys-color-surface-container-lowest);
  overflow: hidden;
}
.code-lang { grid-area: lang; align-self: center; padding-left: 20px; color: var(--md-sys-color-on-surface-variant); font: 500 12px/16px "JetBrains Mono", monospace; }
.docs-content .copy-btn { grid-area: copy; position: static; width: 40px; height: 40px; }
.docs-content .code-block pre { grid-area: code; padding: 0 20px 20px; border-radius: 0; }
/* Pygments token classes on M3 roles only, so both themes work and no colour leaves tokens.css */
pre :is(.c, .c1, .cm, .ch, .cs, .cp, .cpf) { color: var(--md-sys-color-on-surface-variant); }
pre :is(.k, .kd, .kn, .kr, .kt, .kc, .kp, .ow, .nt) { color: var(--md-sys-color-primary); }
pre :is(.s, .s1, .s2, .se, .sh, .si, .sb, .sx, .sa, .dl, .na) { color: var(--md-sys-color-tertiary); }
pre :is(.nv, .vi, .vg, .vc, .nb, .bp, .nf, .fm, .nc, .nn) { color: var(--md-sys-color-secondary); }
pre :is(.m, .mi, .mf, .mh, .mo, .il) { color: var(--md-sys-color-on-primary-container); }
pre :is(.gp, .o, .p) { color: var(--md-sys-color-on-surface-variant); }
pre :is(.gd, .err) { color: var(--md-sys-color-error); }
pre .gi { color: var(--md-sys-color-primary); }

/* edit link and previous/next. The links are grid cells that wrap, so a long title never overflows */
.doc-edit { margin: 48px auto 0; font-size: 14px; line-height: 20px; }
.doc-edit a { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; color: var(--md-sys-color-on-surface-variant); }
.doc-edit .icon { font-size: 20px; }
.doc-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 16px auto 0; }
.doc-nav a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  min-height: 72px;
  padding: 12px 24px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-lg);
  color: var(--md-sys-color-on-surface);
  font-size: 14px;
  line-height: 20px;
  font-weight: 600;
  letter-spacing: 0.1px;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: background-color var(--motion-effects-default);
}
.doc-nav a:hover { background: var(--md-sys-color-surface-container); }
.doc-nav small { font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: 0.5px; color: var(--md-sys-color-on-surface-variant); }
.doc-nav-next { grid-column: 2; text-align: right; }
@media (max-width: 599px) { .doc-nav { grid-template-columns: 1fr; } .doc-nav-next { grid-column: 1; } }

/* search dialog */
.search-dialog {
  width: min(640px, calc(100% - 32px));
  max-height: 70dvh;
  margin: 96px auto auto;
  padding: 0;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-xl);
  background: var(--md-sys-color-surface-container);
  color: var(--md-sys-color-on-surface);
}
.search-dialog::backdrop { background: color-mix(in srgb, transparent, var(--md-sys-color-surface-container-lowest) 38%); }
.search-form { display: flex; align-items: center; gap: 12px; padding: 8px 8px 8px 20px; border-bottom: 1px solid var(--md-sys-color-outline-variant); }
.search-form > .icon { color: var(--md-sys-color-on-surface-variant); }
.search-input { flex: 1; min-width: 0; height: 48px; border: 0; background: transparent; color: inherit; font: inherit; outline: none; }
.search-results { max-height: calc(70dvh - 66px); margin: 0; padding: 8px; overflow-y: auto; list-style: none; }
.search-results:empty { display: none; }
.search-hit { display: grid; gap: 4px; padding: 12px 16px; border-radius: var(--md-sys-shape-corner-lg); color: var(--md-sys-color-on-surface); text-decoration: none; }
.search-hit:hover, .search-hit:focus-visible { background: var(--md-sys-color-surface-container-highest); outline: none; }
.search-hit-title { font-size: 14px; line-height: 20px; font-weight: 600; letter-spacing: 0.1px; }
.search-hit-sub, .search-hit-text, .search-empty { color: var(--md-sys-color-on-surface-variant); font-size: 14px; line-height: 20px; letter-spacing: 0.25px; }
.search-empty { padding: 12px 16px; }

/* device filter on the community devices page */
.device-filter {
  /* sticks under the nav while the two long tables scroll past, so it is always in reach */
  position: sticky;
  top: 64px;
  z-index: 4;
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding: 12px 0;
  background: var(--md-sys-color-surface);
}
@media (max-width: 839px) { .device-filter { top: 112px; } } /* below the breadcrumb bar as well */
.device-filter[hidden] { display: none; }
.device-filter label { font-size: 14px; line-height: 20px; font-weight: 600; letter-spacing: 0.1px; }
.device-filter input {
  width: min(100%, 480px);
  height: 48px;
  padding: 0 16px;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-lg);
  background: var(--md-sys-color-surface-container);
  color: var(--md-sys-color-on-surface);
  font: inherit;
}
.filter-empty { color: var(--md-sys-color-on-surface-variant); }

@media (prefers-reduced-motion: reduce) {
  .sidebar, .sidebar-link, .sidebar-heading::after, .doc-nav a, .search-open, .toc a, .header-anchor { transition: none; }
}