/* Foundation page chrome. Shared Vinci marks retain their own visual language. */
:root {
  scrollbar-gutter: stable;
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: #282828;
  background: #fff;
  --foundation-muted: #777772;
  --foundation-line: #eeefec;
  --foundation-radius: 24px;
}
* { box-sizing: border-box; }
body { margin: 0; color: inherit; background: inherit; font: inherit; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-underline-offset: 4px; }
button, textarea { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid #9ba9b4; outline-offset: 4px; }
.l0-top {
  max-width: 1440px; margin: auto; padding: 28px 48px;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.l0-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 21px; font-weight: 600; letter-spacing: -.7px; }
.l0-brand img { width: 23px; height: 23px; object-fit: contain; }
.l0-brand small { margin-left: 9px; padding-left: 18px; border-left: 1px solid #dfe3e8; color: #8a9099; font-size: 13px; font-weight: 400; letter-spacing: 0; }
.l0-atlas-link { color: #727984; font-size: 13px; text-decoration: none; }
.l0-atlas-link span { margin-left: 8px; }
.l0-atlas-link:hover { color: #282828; }
.l0-main { max-width: 1440px; margin: auto; padding: 44px 48px 84px; }
.l0-intro { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 14px; }
.l0-eyebrow { color: #858580; font-size: 12px; font-weight: 400; letter-spacing: 0; margin: 0 0 8px; }
.l0-intro h1 { margin: 0; font-size: clamp(34px, 3vw, 46px); line-height: 1.12; font-weight: 500; letter-spacing: -1.8px; }
.l0-lead { color: #7b8490; font-size: 15px; line-height: 1.6; margin: 0 0 32px; }
/* Routine readiness remains available to assistive technology without a duplicate caption. */
#l0-status:not(.l0-status-error) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
#l0-status.l0-status-error { font-size: 12px; color: #ad4935; }
.l0-tabs { display: inline-flex; gap: 4px; padding: 5px; margin: 0 0 28px; border: 1px solid transparent; border-radius: 12px; background: #f5f5f3; scroll-margin-top: 24px; }
.l0-tabs button { display: inline-flex; align-items: center; gap: 12px; border: 0; border-radius: 9px; padding: 9px 18px; color: #777772; background: transparent; font-size: 13px; font-weight: 400; transition: background .18s, color .18s, box-shadow .18s; }
.l0-tabs button[aria-selected=true] { color: #252a32; background: #fff; box-shadow: 0 1px 3px #1820330b, 0 3px 10px #18203306; }
.l0-tab-count { color: #92928d; font-size: 11px; font-variant-numeric: tabular-nums; }
.l0-pane[hidden] { display: none; }
.l0-pane-note { color: #979da6; font-size: 12px; line-height: 1.6; margin: 0 0 38px; }
.l0-group { margin: 0 0 38px; }
.l0-group-title { margin: 0 0 17px; color: #74746e; font-size: 13px; line-height: 1.5; font-weight: 400; letter-spacing: -.2px; }
.l0-group-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; align-items: start; }
.foundation-card { min-width: 0; scroll-margin-top: 28px; }
.foundation-card[data-wide=true] { grid-column: 1 / -1; }
.foundation-card-head { padding: 0 4px; margin: 0 0 12px; display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.foundation-card-head h3 { color: #555550; font-size: 15px; font-weight: 400; line-height: 1.4; margin: 0; }
.foundation-card-body { min-width: 0; padding: 20px 22px 14px; border: 1px solid var(--foundation-line); border-radius: var(--foundation-radius); background: #fff; box-shadow: 0 2px 3px #24282003, 0 8px 24px -12px #24282013; }
.foundation-card:focus-within { position: relative; z-index: 3; }
.foundation-card:has([data-enlarged=true]) { z-index: 2000; }
.foundation-card[data-error] .foundation-card-body { border-color: #e3b3a8; }
.foundation-part-line { color: #555d69; font-size: 14px; line-height: 1.6; margin: 0 0 19px; max-width: 70ch; }
.foundation-focus-meaning { display:none; margin:0 0 18px; max-width:60ch; color:#797d78; font-size:13px; line-height:1.6; }
.l0-pane[data-single=true] .foundation-focus-meaning { display:block; }
.foundation-implementation { margin-top:18px; border-top:1px solid var(--foundation-line); padding-top:10px; }
.foundation-implementation>summary { cursor:pointer; width:fit-content; color:#91938e; font:inherit; }
.foundation-part-id, .foundation-kind { color: #989faa; font-size: 11px; }
.foundation-variant-tabs { display: flex; flex-wrap: wrap; width: fit-content; max-width: 100%; gap: 2px; padding: 3px; margin: 0 0 14px; border-radius: 10px; background: #f6f6f4; }
.foundation-variant-tabs button { padding: 6px 10px; border: 1px solid transparent; border-radius: 7px; background: transparent; color: #777772; font-size: 12px; transition: color .18s, background .18s; }
.foundation-variant-tabs button[aria-pressed=true], .foundation-variant-tabs button[aria-selected=true] { color: #353632; border-color: #eeeeea; background: #fff; box-shadow: 0 1px 3px #292c2308; }
.foundation-variant-tabs button:hover { color: #343b45; }
.foundation-variant-tabs[hidden] { display: none; }
.foundation-study { min-width: 0; }
.foundation-port-study { min-height: 190px; min-width: 0; }
.foundation-missing { color: #ad4935; font-size: 12px; }
.foundation-explanation { border-top: 0; margin-top: 10px; padding-top: 0; color: #7b7d76; font-size: 12px; line-height: 1.65; }
.foundation-explanation > summary { cursor: pointer; padding: 5px 0; color: #777; font-size: 12px; list-style: none; display: flex; gap: 8px; align-items: center; width: fit-content; }
.foundation-explanation > summary::-webkit-details-marker { display: none; }
.foundation-explanation > summary::before { content: '+'; font-size: 14px; font-weight: 300; line-height: 1; transition: transform .18s; }
.foundation-explanation[open] > summary::before { transform: rotate(45deg); }
.foundation-explanation > summary:hover { color: #303944; }
.foundation-explanation p { max-width: 850px; }
.foundation-registry-aspects { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 14px; margin: 14px 0; font-size: 11px; }
.foundation-registry-aspects dt { color: #9098a3; font-weight: 450; }
.foundation-registry-aspects dd { margin: 0; color: #5c6572; overflow-wrap: anywhere; }
.foundation-made-of { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 18px 0 0; color: #9098a3; font-size: 11px; }
.foundation-made-of-label { margin-right: 4px; }
.foundation-part-chip { display: inline-block; padding: 4px 9px; border: 1px solid #eceef2; border-radius: 7px; background: #f9fafb; color: #6e7784; font-size: 11px; text-decoration: none; }
.foundation-part-chip:hover { border-color: #ccd2da; color: #303944; }
.foundation-usage { color: #9299a3; font-size: 11px; line-height: 1.8; margin: 14px 0 3px; }
.foundation-usage-link { color: #6b7685; text-decoration-thickness: 1px; }
.foundation-composition-grid { display: grid; grid-template-columns: 1fr; gap: 36px; }
.foundation-composition-card .foundation-card-body { padding: 30px 38px 20px; }
.foundation-inventory { max-width: 820px; margin-top: 30px; padding: 18px 0; border-top: 1px solid #eceef2; color: #8b929d; font-size: 12px; line-height: 1.8; }
.foundation-inventory summary { cursor: pointer; font-size: 12px; width: fit-content; }
.foundation-inventory a { color: #697482; }
/* Keep real Function specimens spacious, without the consumer's page header. */
.foundation-part-card .vinci-function-foundation-title, .foundation-part-card .vinci-function-foundation-view { display: none; }
#l0-function-cover .semantic-visual-program { min-height: 0; padding-bottom: 24px; }
#l0-function-cover .atlas-l2-program-layout-host { gap: 20px; }
#l0-function-cover .vinci-program-function { margin-top: 40px !important; }
.foundation-part-card .vinci-function-foundation-stage { display: flex; flex-direction: column; align-items: center; }
.foundation-part-card .vinci-function-foundation-stage > * { max-width: 100%; }
.foundation-part-card .vinci-visual-program > .vinci-program-place { width: min(100%,560px) !important; margin-left: auto; margin-right: auto; }
#atoms .l0-group-grid { grid-template-columns: repeat(3, minmax(0,1fr)); gap: 26px; }
#atoms .foundation-card-body { min-height: 0; display: flex; flex-direction: column; }
#atoms .foundation-study { margin: auto 0; min-height: 64px; display: grid; align-items: center; }
#atoms .foundation-part-line { font-size: 13px; color: #808894; }
@media (min-width: 1400px) {
  #assemblies .l0-group-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width: 1200px) {
  .l0-main { padding-left: 30px; padding-right: 30px; }
  .l0-top { padding-left: 30px; padding-right: 30px; }
  .l0-group-grid { gap: 24px; }
  .foundation-card-body { padding: 18px 18px 12px; }
  #atoms .l0-group-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 850px) {
  #assemblies .l0-group-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .l0-top { padding: 22px; }
  .l0-brand small { display: none; }
  .l0-main { padding: 24px 18px 50px; }
  .l0-intro h1 { font-size: 35px; letter-spacing: -1.4px; }
  .l0-lead { font-size: 13px; margin-bottom: 24px; }
  .l0-tabs { display: flex; width: 100%; gap: 2px; border-radius: 14px; }
  .l0-tabs button { flex: 1; justify-content: center; padding: 10px 8px; font-size: 12px; gap: 6px; }
  .l0-pane-note { margin-bottom: 28px; }
  .l0-group-grid, #atoms .l0-group-grid { grid-template-columns: 1fr; }
  .foundation-card-body, .foundation-composition-card .foundation-card-body { padding: 16px 16px 10px; border-radius: 23px; }
  .l0-group { margin-bottom: 34px; }
  .foundation-registry-aspects { display: block; }
  .foundation-registry-aspects dd { margin-bottom: 10px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; } }
/* Keep navigation within the heading so the working examples lead the page. */
.l0-top { padding-top: 22px; padding-bottom: 20px; }
.l0-main { padding-top: 20px; }
.l0-intro { align-items: center; margin-bottom: 13px; }
.l0-intro h1 { font-size: clamp(26px, 2.2vw, 31px); font-weight: 450; letter-spacing: -.9px; }
.l0-intro .l0-tabs { flex: none; margin: 12px 0 0; }
.l0-lead { margin-bottom: 28px; font-size: 13px; color: #83837d; }
.l0-pane-note { display: none; }
@media (max-width: 800px) {
  .l0-intro { align-items: flex-start; flex-direction: column; gap: 8px; }
  .l0-intro .l0-tabs { width: 100%; margin-top: 12px; }
  .l0-tabs button { flex: 1; justify-content: center; }
  .l0-lead { margin-bottom: 28px; font-size: 12px; }
}

/* L2 keeps the owning application's source and execution in its own origin. */
.foundation-l2-family{display:flex;align-items:baseline;gap:20px;margin:0 0 20px}
.foundation-l2-family>span{font-size:10px;letter-spacing:.14em;color:#94764b}
.foundation-l2-family>p{font-size:13px;color:#818792;line-height:1.6;margin:0}
.foundation-l2-study>iframe{display:block;width:100%;height:1240px;border:1px solid #e9e7e1;border-radius:26px;background:#fbfcfd}
.foundation-l2-access{font-size:11px;color:#9298a1;line-height:1.7;margin:14px 8px 0}
.foundation-l2-access a{color:#7f704f}
@media(max-width:760px){.foundation-l2-family{display:block}.foundation-l2-family>p{margin-top:10px}.foundation-l2-study>iframe{height:1520px}}

/* One concept navigator, with room for the selected working example. */
.l0-workspace { display: grid; grid-template-columns: 174px minmax(0, 1fr); gap: 42px; align-items: start; }
.l0-sidebar { position: sticky; top: 24px; min-width: 0; max-height: calc(100dvh - 48px); display: flex; flex-direction: column; }
.l0-nav-title { margin: 0 0 14px 10px; font-size: 13px; font-weight: 500; color: #666d77; }
.l0-concept-search { width: 100%; min-width: 0; flex: none; padding: 10px 12px; border: 1px solid #efefec; border-radius: 10px; background: #fafaf8; font: inherit; font-size: 12px; color: #343940; }
.l0-concept-search::placeholder { color: #94948e; }
.l0-concept-list { min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 12px 0 4px; scrollbar-width: thin; scrollbar-color: #e4e6e9 transparent; }
.l0-nav-group { margin: 15px 0 0; }
.l0-nav-group h3 { margin: 0 0 7px; padding: 0 10px; font-size: 11px; font-weight: 400; color: #93938b; line-height: 1.5; }
.l0-nav-item, .l0-nav-all { display: block; width: 100%; text-align: left; padding: 8px 10px; border: 0; border-radius: 9px; background: transparent; color: #6e7069; font-size: 13px; line-height: 1.35; }
.l0-nav-item:hover, .l0-nav-all:hover { background: #f7f7f7; color: #32363b; }
.l0-nav-item[aria-current], .l0-nav-all[aria-current] { color: #30322c; background: #f3f3ef; font-weight: 500; }
.l0-nav-empty { color: #9298a1; font-size: 12px; padding: 0 10px; }
.l0-content { min-width: 0; container-type: inline-size; }
.foundation-card[hidden], .l0-group[hidden], .l0-nav-group[hidden], .l0-nav-item[hidden] { display: none !important; }
.l0-content :is(#atoms, #assemblies) .l0-group-grid { grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.l0-content .l0-pane[data-single=true] .l0-group-grid { grid-template-columns: minmax(0, 1fr); max-width: 680px; }
.l0-content .l0-pane[data-single=true] .foundation-card { grid-column: 1 / -1 !important; }
.foundation-atlas-heading { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin: 0 0 20px; }
.foundation-atlas-origin { margin: 0 0 7px; color: #94948e; font-size: 10px; }
.foundation-atlas-heading h2 { margin: 0; color: #41464e; font-size: 23px; font-weight: 500; letter-spacing: -.5px; }
.foundation-atlas-controls { min-width: 0; display: flex; align-items: center; flex-wrap: wrap; justify-content: end; gap: 12px; }
.foundation-atlas-controls select { max-width: min(100%, 300px); min-width: 0; padding: 9px 28px 9px 11px; font: inherit; font-size: 12px; color: #626a75; border: 1px solid #e9ebef; border-radius: 10px; background: #fff; }
.foundation-atlas-controls a { font-size: 11px; color: #8a9099; text-decoration: none; white-space: nowrap; }
.foundation-atlas-controls a:hover { color: #343940; }
.foundation-atlas-host { min-width: 0; padding: 18px; border: 1px solid var(--foundation-line); border-radius: var(--foundation-radius); background: #fff; box-shadow: 0 2px 3px #24282003, 0 8px 24px -12px #24282013; }
.foundation-all-title { margin: 0 0 26px; color: #41464e; font-size: 23px; font-weight: 500; letter-spacing: -.5px; }
.foundation-atlas-group { margin-bottom: 32px; }
.foundation-atlas-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 28px 22px; align-items: start; }
.foundation-atlas-card { min-width: 0; }
.foundation-atlas-card[hidden], .foundation-atlas-group[hidden], .foundation-atlas-focus[hidden] { display: none !important; }
.foundation-atlas-card .foundation-atlas-heading { align-items: center; margin: 0 0 12px; flex-direction: row; }
.foundation-atlas-card-title { margin: 0; color: #565750; font-size: 15px; font-weight: 400; }
.foundation-atlas-focus { flex: none; padding: 5px 8px; border: 0; border-radius: 7px; background: #f7f7f7; font-size: 11px; color: #818893; }
.foundation-atlas-focus:hover { color: #343940; background: #f0f1f2; }
.foundation-atlas-card > .foundation-atlas-controls { justify-content: start; margin-bottom: 12px; }
.foundation-atlas-card > .foundation-atlas-controls select { max-width: 100%; width: 100%; }
.foundation-atlas-card > .foundation-atlas-controls a { margin-left: auto; }
.foundation-atlas-placeholder { min-height: 380px; display: grid; place-items: center; font-size: 12px; color: #a2a7af; }
.foundation-atlas-gallery[data-single=true] .foundation-atlas-grid { grid-template-columns: minmax(0,1fr); }
.foundation-atlas-gallery[data-single=true] .foundation-atlas-group > .l0-group-title { display: none; }
.foundation-atlas-gallery[data-single=true] .foundation-atlas-card-title { font-size: 23px; letter-spacing: -.5px; }
.foundation-atlas-gallery[data-single=true] .foundation-motion-concept > .foundation-focus-meaning { display: block; }
.foundation-motion-code[hidden] { display: none; }
.foundation-motion-code { margin-bottom: 16px; }
.foundation-motion-code .ed-code-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.foundation-motion-code-actions { display: flex; gap: 12px; }
.foundation-motion-code-actions button { padding: 0; border: 0; background: transparent; color: #867f78; font: inherit; cursor: pointer; }
.foundation-motion-code-actions button:hover { color: #343940; }
.foundation-motion-code .ed-editor { height: 240px; max-height: 50dvh; }
.foundation-motion-code-status { margin: 12px 16px; font-size: 12px; color: #9b4c32; white-space: pre-wrap; }
.foundation-atlas-gallery[data-single=true] .foundation-atlas-controls select { width: auto; max-width: min(100%,360px); }
.foundation-atlas-gallery[data-single=true] .foundation-atlas-controls a { margin-left: 0; }
@container (min-width: 1060px) {
  .l0-content :is(#atoms, #assemblies):not([data-single=true]) .l0-group-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@container (max-width: 640px) {
  .foundation-atlas-grid { grid-template-columns: minmax(0,1fr); }
  .l0-content :is(#atoms, #assemblies) .l0-group-grid { grid-template-columns: minmax(0, 1fr); }
  .foundation-atlas-heading { align-items: start; flex-direction: column; }
  .foundation-atlas-controls { justify-content: start; width: 100%; }
}
@media (max-width: 1050px) { .l0-workspace { grid-template-columns: 165px minmax(0,1fr); gap: 22px; } }
@media (max-width: 700px) {
  .l0-workspace { grid-template-columns: minmax(0,1fr); gap: 26px; }
  .l0-sidebar { position: static; max-height: 160px; border: 1px solid #eceef1; border-radius: 18px; padding: 12px; }
  .l0-nav-title { display: none; }
  .l0-concept-search { padding: 9px 11px; }
  .l0-concept-list { padding-top: 8px; }
  .l0-nav-group { margin-top: 10px; }
  .l0-nav-item, .l0-nav-all { padding: 9px 10px; }
  .foundation-atlas-host { padding: 10px; border-radius: 22px; }
}

/* L2 categories sit below the Foundation level tabs. Keep mounted studies alive. */
.foundation-l2-tabs{display:flex;gap:24px;border-bottom:1px solid var(--foundation-line);margin:0 0 26px}
.foundation-l2-tabs button{border:0;border-bottom:2px solid transparent;background:transparent;color:#818893;padding:10px 2px 13px;font-size:13px;font-weight:500}
.foundation-l2-tabs button[aria-selected=true]{color:#282828;border-bottom-color:#94764b}
.foundation-l2-tabs button:hover{color:#282828}
.foundation-l2-study[hidden],.foundation-l2-ui[hidden]{display:none}
.foundation-l2-ui{padding:26px 28px;border:1px solid var(--foundation-line);border-radius:20px}
.foundation-l2-ui h3{font-size:17px;font-weight:500;margin:0 0 10px}
.foundation-l2-ui p{font-size:13px;line-height:1.6;color:#818792;margin:0}
.foundation-l2-ui .foundation-l2-empty{margin-top:28px;color:#9298a1}

/* Attach the second navigation level to the main level selector. */
.l0-level-navigation{display:flex;flex-direction:column;align-items:flex-end;max-width:100%;margin-bottom:12px}
.l0-level-navigation>.l0-tabs{margin-bottom:0;max-width:100%}
.l0-blocks-switch{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 6px 0 12px;border:0;background:none;color:#737970;font-size:12px;white-space:nowrap}
.l0-blocks-switch::before{content:"";flex:none;width:28px;height:16px;border-radius:999px;background:radial-gradient(circle at 8px 50%,#fff 5px,transparent 5.6px),#d8d6cf;transition:background .18s}
.l0-blocks-switch[aria-checked="true"]::before{background:radial-gradient(circle at 20px 50%,#fff 5px,transparent 5.6px),#b88b50}
.l0-blocks-switch:hover{color:#323932}
html[data-building-blocks=hidden] #tab-atoms,html[data-building-blocks=hidden] #tab-assemblies{display:none}
.l0-l2-category-host{padding:10px 8px 0}
.l0-l2-category-host[hidden]{display:none}
.l0-l2-category-host .foundation-l2-tabs{margin:0;border-bottom:0;gap:6px}
.l0-l2-category-host .foundation-l2-tabs button{padding:8px 15px;border:1px solid transparent;border-radius:10px;font-size:12px}
.l0-l2-category-host .foundation-l2-tabs button[aria-selected=true]{background:#f5f5f5;border-color:#eceef1;color:#282828}
@media(max-width:760px){.l0-level-navigation{align-items:flex-start}.l0-level-navigation>.l0-tabs{flex-wrap:wrap}.l0-l2-category-host{padding-left:0}}

/* UI L2: the Function drawn by the one program view, and a live example. */
.foundation-l2-ui{padding:0;border:0}
.ui-l2-study{border:1px solid var(--foundation-line);border-radius:24px;padding:32px;background:#fff;container-type:inline-size}
.ui-l2-study>header{margin-bottom:32px}
.ui-l2-study>header h3{font:400 32px/1.2 Georgia,serif;margin:10px 0 12px;color:#292721}
.ui-l2-study p{font-size:13px;line-height:1.6;color:#818792}
.ui-l2-study .ui-l2-eyebrow{font-size:10px;letter-spacing:.13em;color:#8a7a60;margin:0 0 20px}
.ui-l2-study>header .ui-l2-eyebrow{margin:0}
.ui-l2-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;align-items:start}
.ui-l2-function{min-width:0;background:#faf9f6;border-radius:18px;padding:26px;position:relative}
.ui-l2-inspect,.ui-l2-again{font:inherit;font-size:12px;border:1px solid #e4dfd5;border-radius:9px;background:#fffefa;color:#65563f;padding:10px 14px;cursor:pointer}
.ui-l2-inspect:hover,.ui-l2-again:hover{background:#f3eee4;border-color:#c4b291}
.ui-l2-preview{padding:26px 0 0;min-width:0}
.ui-choice-form fieldset{border:0;padding:0;margin:0;min-width:0;display:grid;gap:10px}
.ui-choice-form legend{font-size:17px;font-weight:500;margin-bottom:20px;color:#3b3a36}
.ui-choice-form label{position:relative;display:grid;grid-template-columns:18px 1fr;align-items:center;gap:4px 10px;border:1px solid #e9e7e1;border-radius:12px;padding:15px;cursor:pointer;background:#fff;transition:background .15s,border-color .15s}
.ui-choice-form label:hover{background:#faf9f6;border-color:#cfc6b7}
.ui-choice-form label:has(input:checked){border-color:#9c8767;background:#faf7f0}
.ui-choice-form input{margin:0;accent-color:#877254}
.ui-choice-form strong{font-size:13px;font-weight:500;color:#46433d}
.ui-choice-form label span{grid-column:2;font-size:12px;color:#929088}
.ui-choice-form button{font:inherit;font-size:12px;border:1px solid #3d382f;background:#3d382f;color:#fff;border-radius:10px;padding:12px 14px;margin-top:8px;cursor:pointer}
.ui-choice-form button:disabled{background:#f3f1ed;border-color:#e9e6df;color:#9a958a;cursor:default}
.ui-choice-form fieldset:disabled label{cursor:default}
.ui-l2-study .ui-l2-status{font-size:12px;margin:16px 0 0}
.ui-l2-study pre{font:11px/1.7 ui-monospace,monospace;white-space:pre-wrap;overflow-wrap:anywhere;background:#f7f7f5;padding:15px;border-radius:10px;max-height:420px;overflow:auto}
.ui-l2-study>.ui-l2-source{margin-top:30px;border-top:1px solid #efefeb;padding-top:14px;font-size:12px;color:#818792}
.ui-l2-source>summary{cursor:pointer;padding:6px 0}
.ui-l2-again{margin-top:12px}
.ui-l2-study [hidden]{display:none!important}
.ui-l2-study :is(button,summary,a,input):focus-visible{outline:2px solid #9c8767;outline-offset:4px}
@container(max-width:650px){.ui-l2-layout{grid-template-columns:minmax(0,1fr);gap:24px}.ui-l2-function{padding:22px}.ui-l2-preview{padding:0}}
@media(max-width:700px){.ui-l2-study{padding:20px}}

.ui-l2-function .ui-l2-edit-status{font-size:11px;color:#82765f;margin:12px 0 0}
.ui-l2-function .ui-l2-edit-status:empty{display:none}
.ui-l2-function .ui-l2-last-run{order:-1;margin:0 0 12px;padding:9px 12px;border-radius:10px;background:#f3eee4;color:#4f4536;font:12px/1.5 var(--mono,ui-monospace,monospace);overflow-wrap:anywhere}

/* A focused study keeps a quiet title above its working surface. */
.l0-content :is(#atoms,#assemblies)[data-single=true] .l0-group-title { margin-bottom: 8px; color: #8a8b83; font-size: 12px; }
.l0-content :is(#atoms,#assemblies)[data-single=true] .foundation-card-head { padding: 0; margin-bottom: 18px; }
.l0-content :is(#atoms,#assemblies)[data-single=true] .foundation-card-head h3 { font-size: 23px; font-weight: 450; letter-spacing: -.5px; color: #343730; }
.l0-content :is(#atoms,#assemblies)[data-single=true] .foundation-card-body { padding: 20px 24px 14px; }
.l0-content :is(#atoms,#assemblies)[data-single=true] .foundation-study { padding: 8px 0; }
.foundation-explanation[open] { margin-top: 16px; padding-top: 10px; border-top: 1px solid #f0f0ec; }
@media (max-width:700px) {
 .l0-content :is(#atoms,#assemblies)[data-single=true] .foundation-card-body { padding: 16px 14px 12px; }
 .l0-content :is(#atoms,#assemblies)[data-single=true] .foundation-card-head h3 { font-size: 21px; }
 .foundation-variant-tabs button { padding: 6px 8px; font-size: 11px; }
}
/* Keep the six Pill states balanced when the study is a small card. */
#atoms:not([data-single=true]) #l0-value-pill .foundation-variant-tabs {
 display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); width: 100%;
}
@media (max-width:700px) {
 #l0-value-pill .foundation-variant-tabs { display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%; }
 #l0-value-pill .foundation-variant-tabs button { font-size:12px; }
 .l0-level-navigation{width:100%;align-items:stretch}
 .l0-blocks-switch{align-self:flex-start}
}
@media(prefers-reduced-motion:reduce){.l0-blocks-switch::before{transition:none}}

/* Normal studies retain the canonical Function geometry and disclosures. */

/* The '?' beside a concept's title: what it is, on hover or keyboard focus. */
.foundation-atlas-heading{position:relative}
.foundation-concept-help{display:inline-grid;place-items:center;width:18px;height:18px;margin:0 auto 0 8px;padding:0;border:1px solid #e3dccf;border-radius:50%;background:#fffdf8;color:#985f0b;font:600 11px/1 var(--sans,system-ui,sans-serif);cursor:help;position:relative;flex:none}
.foundation-concept-help::after{content:attr(data-note);position:absolute;left:-6px;top:calc(100% + 8px);z-index:30;width:max-content;max-width:280px;padding:8px 10px;border-radius:10px;background:#15110d;color:#fffdf8;font:400 12px/1.45 var(--sans,system-ui,sans-serif);text-align:left;white-space:normal;box-shadow:0 8px 20px rgba(21,17,13,.18);display:none;pointer-events:none}
/* Shown only while asked for: a hidden note takes no room, so it never widens the page. */
.foundation-concept-help:hover::after,.foundation-concept-help:focus-visible::after{display:block}
.foundation-concept-help:focus-visible{outline:2px solid #f0b54d;outline-offset:2px}
/* ONE Vinci, said once under the intro. */
.l0-one-vinci{margin:6px 0 0;color:#985f0b;font:500 13px/1.5 var(--sans,system-ui,sans-serif)}

/* Examples share a compact host header so their execution surface begins
   within the first viewport, while the gallery keeps its original spacing. */
body:has(article[data-basic-example]) .l0-top {padding-top:16px;padding-bottom:16px}
body:has(article[data-basic-example]) .l0-main {padding-top:18px;padding-bottom:112px}
body:has(article[data-basic-example]) .l0-intro {margin-bottom:10px}
body:has(article[data-basic-example]) .l0-intro h1 {font-size:28px;letter-spacing:-.7px}
body:has(article[data-basic-example]) .l0-tabs {margin-bottom:16px}
body:has(article[data-basic-example]) .l0-pane-note {margin-bottom:12px;color:#706b62}

body:has(article[data-basic-example]) .l0-level-navigation {
 flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px;margin-bottom:0;
}
body:has(article[data-basic-example]) .l0-level-navigation > .l0-tabs {margin:0}
body:has(article[data-basic-example]) .l0-l2-category-host {padding:0}
@media(max-width:760px) {
 body:has(article[data-basic-example]) .l0-level-navigation {justify-content:flex-start}
}