/* Sapling SAP documentation site. Sapling's own look: calm off-white paper, deep green, serif text, mono for code and
   numbers. The tokens are those of the editor (vscode/media/visual.css) and the SAS dashboard (src/sas_dashboard/app.css).
   No framework, no CDN, no font file: the system fonts. */
:root {
  --paper: #fffefb; --desk: #f4f2ec; --water: #eeece6; --ink: #1d1f1c; --soft: #4b504a; --dim: #6b716a; --rule: #d9d6cc; --hair: #ebe8df;
  --accent: #1f5c47; --accent-ink: #fffefb; --accent-soft: #e7f0eb; --gold: #8a5a00; --gold-soft: #fbf3df; --brick: #a8432f; --brick-soft: #f7e6e1; --codebg: #f3f1ea;
  --shadow: 0 1px 2px rgba(20, 24, 20, .06), 0 14px 40px rgba(20, 24, 20, .12);
  --serif: "Iowan Old Style", "Charter", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --radius: 12px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1b1d1b; --desk: #121312; --water: #232623; --ink: #e8e6df; --soft: #c3c1b8; --dim: #9a9e97; --rule: #3a3d38; --hair: #2c2f2b;
    --accent: #7cc4a3; --accent-ink: #10201a; --accent-soft: #213229; --gold: #e0b45a; --gold-soft: #2f2816; --brick: #ff9a86; --brick-soft: #3a1f1c; --codebg: #252825;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 14px 40px rgba(0, 0, 0, .5); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #1b1d1b; --desk: #121312; --water: #232623; --ink: #e8e6df; --soft: #c3c1b8; --dim: #9a9e97; --rule: #3a3d38; --hair: #2c2f2b;
  --accent: #7cc4a3; --accent-ink: #10201a; --accent-soft: #213229; --gold: #e0b45a; --gold-soft: #2f2816; --brick: #ff9a86; --brick-soft: #3a1f1c; --codebg: #252825;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 14px 40px rgba(0, 0, 0, .5); color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.65 var(--serif); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
code, kbd { font-family: var(--mono); font-size: .86em; }
.wrap { max-width: 1240px; margin: 0 auto; padding-inline: clamp(16px, 4vw, 40px); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; font: 600 14px var(--ui); }
.skip:focus { top: 10px; }
.nolink { border-bottom: 1px dotted var(--dim); }

/* ---- the header */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--paper) 84%, transparent); -webkit-backdrop-filter: saturate(160%) blur(16px); backdrop-filter: saturate(160%) blur(16px); border-bottom: 1px solid var(--hair); font-family: var(--ui); }
.top .wrap { display: flex; align-items: center; gap: 22px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; font: 600 18px/1 var(--serif); letter-spacing: .01em; white-space: nowrap; }
.brand .ico { color: var(--accent); }
.brand b { font-weight: 600; color: var(--accent); letter-spacing: .06em; font-size: 15px; }
.nav { display: flex; gap: 6px; margin-left: 8px; }
.nav a { color: var(--soft); text-decoration: none; font-size: 14.5px; font-weight: 500; padding: 7px 11px; border-radius: 8px; }
.nav a:hover { background: var(--accent-soft); color: var(--ink); }
.nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); }
.tools { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search { position: relative; }
.search input { width: 200px; height: 36px; border: 1px solid var(--rule); border-radius: 18px; background: var(--paper); color: var(--ink); padding: 0 14px; font: 14px var(--ui); transition: width .15s, border-color .15s; }
.search input:focus { width: 300px; border-color: var(--accent); }
#results { position: absolute; right: 0; top: 44px; width: min(520px, calc(100vw - 32px)); max-height: 70vh; overflow: auto; background: var(--paper); border: 1px solid var(--rule); border-radius: 12px; box-shadow: var(--shadow); padding: 6px; }
#results a { display: block; padding: 9px 12px; border-radius: 8px; text-decoration: none; color: var(--ink); }
#results a:hover, #results a.sel { background: var(--accent-soft); }
#results a b { display: block; font: 600 14px var(--ui); }
#results a small { display: block; font: 12.5px/1.4 var(--ui); color: var(--dim); }
#results a span { display: block; font: 13px/1.45 var(--ui); color: var(--soft); margin-top: 2px; }
#results mark { background: var(--gold-soft); color: inherit; border-radius: 2px; }
#results .none { padding: 12px; color: var(--dim); font: 14px var(--ui); }
.theme { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--rule); background: transparent; color: var(--soft); cursor: pointer; display: grid; place-items: center; }
.theme:hover { background: var(--accent-soft); color: var(--ink); }
@media (max-width: 860px) {
  .top .wrap { flex-wrap: wrap; gap: 4px 12px; padding-block: 10px 6px; }
  .tools { order: 1; }
  .nav { order: 2; width: 100%; margin-left: 0; overflow-x: auto; scrollbar-width: none; }
  .nav a { white-space: nowrap; }
  .search input, .search input:focus { width: 140px; }
  .search input:focus { width: 190px; }
}

/* ---- buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 22px; border-radius: 23px; font: 600 15.5px/1 var(--ui); text-decoration: none; border: 1.5px solid var(--accent); color: var(--accent); background: transparent; }
.btn:hover { background: var(--accent-soft); }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.1); }

/* ---- the home page */
.hero { padding: clamp(56px, 9vw, 120px) 0 clamp(32px, 5vw, 64px); text-align: center; }
.hero .eyebrow, .eyebrow { font: 600 12px var(--ui); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.hero h1 { font: 500 clamp(40px, 6.4vw, 78px)/1.04 var(--serif); letter-spacing: -.02em; margin: 14px auto 0; max-width: 16ch; text-wrap: balance; }
.hero .sub { font-size: clamp(18px, 2.2vw, 22px); color: var(--soft); max-width: 40em; margin: 22px auto 0; text-wrap: pretty; }
.hero .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.hero .note { font: 13.5px var(--ui); color: var(--dim); margin-top: 16px; }
.stage { background: var(--desk); padding: clamp(28px, 5vw, 56px) 0 0; border-block: 1px solid var(--hair); }
.stage .shot { margin: 0 auto; max-width: 1080px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: center; padding: 26px 0; font: 600 14px var(--ui); color: var(--soft); }
.chips span::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: 1px; }
.band { padding: clamp(56px, 8vw, 104px) 0; }
.band.alt { background: var(--desk); border-block: 1px solid var(--hair); }
.band .intro { max-width: 720px; margin: 0 auto clamp(28px, 4vw, 48px); text-align: center; }
.band .intro h2 { font: 500 clamp(30px, 4.2vw, 46px)/1.1 var(--serif); letter-spacing: -.015em; margin: 10px 0 0; text-wrap: balance; }
.band .intro p { color: var(--soft); margin: 16px 0 0; text-wrap: pretty; }
.band .shot { margin-inline: auto; max-width: 1040px; }
.band .shot.narrow { max-width: 760px; }
.band .more { text-align: center; margin-top: 28px; font: 600 15px var(--ui); }
.two > *, .codepair > *, .triplet > *, .facts > * { min-width: 0; }
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(16px, 3vw, 32px); max-width: 1100px; margin: 0 auto; }
@media (max-width: 860px) { .two { grid-template-columns: 1fr; } }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; max-width: 1100px; margin: 0 auto; }
.fact { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); padding: 20px 22px; }
.fact b { display: block; font: 600 12px var(--ui); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
.fact .big { font: 500 38px/1.15 var(--serif); margin-top: 6px; display: block; }
.fact p { margin: 8px 0 0; font: 14.5px/1.5 var(--ui); color: var(--soft); }
.mini { font: 13.5px/1.5 var(--ui); color: var(--dim); max-width: 760px; margin: 18px auto 0; text-align: center; }
.callout { background: var(--gold-soft); border: 1px solid color-mix(in srgb, var(--gold) 35%, var(--rule)); color: var(--ink); border-radius: var(--radius); padding: 16px 20px; font: 15px/1.55 var(--ui); max-width: 760px; margin: 0 auto; }
.callout b { color: var(--gold); }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0 auto; max-width: 760px; display: grid; gap: 14px; }
.steps li { counter-increment: s; display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); padding: 16px 20px; font-family: var(--ui); font-size: 15.5px; line-height: 1.55; }
.steps li::before { content: counter(s); width: 32px; height: 32px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font: 600 15px var(--ui); }
.steps b { display: block; font-family: var(--serif); font-size: 17px; }
.steps span { color: var(--soft); }
.triplet { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; max-width: 1100px; margin: 0 auto; }
@media (max-width: 860px) { .triplet { grid-template-columns: 1fr; } }
.triplet > div { border-top: 2px solid var(--accent); padding-top: 14px; }
.triplet b { font: 600 17px var(--serif); display: block; }
.triplet p { margin: 6px 0 0; color: var(--soft); font-size: 16px; }
.codepair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; max-width: 1100px; margin: 0 auto; }
@media (max-width: 900px) { .codepair { grid-template-columns: 1fr; } }
.codepair h3 { font: 600 12px var(--ui); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin: 0 0 8px; }
.codepair pre.code { margin: 0; font-size: 12.8px; max-height: 520px; }

/* ---- pictures */
figure.shot { margin: 28px 0; }
figure.shot img { display: block; width: 100%; margin-inline: auto; height: auto; border-radius: 10px; border: 1px solid var(--rule); box-shadow: var(--shadow); background: var(--paper); }
figure.shot img[src$=".svg"] { box-shadow: none; }
figure.shot figcaption { font: 14px/1.5 var(--ui); color: var(--dim); margin-top: 12px; text-align: center; text-wrap: pretty; }
.band figure.shot { margin-block: 0; }

/* ---- the documentation pages */
.pagehead { background: var(--desk); border-bottom: 1px solid var(--hair); }
.pagehead .wrap { padding-block: clamp(36px, 5.5vw, 68px); }
.pagehead h1 { font: 500 clamp(32px, 4.6vw, 52px)/1.1 var(--serif); letter-spacing: -.015em; margin: 8px 0 0; max-width: 30ch; text-wrap: balance; }
.pagehead p { color: var(--soft); max-width: 46em; margin: 14px 0 0; font-size: 19px; text-wrap: pretty; }
.docs { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); padding-block: 36px 80px; align-items: start; }
.docs.has-toc { grid-template-columns: 240px minmax(0, 1fr) 220px; }
@media (max-width: 1180px) { .docs.has-toc { grid-template-columns: 240px minmax(0, 1fr); } .toc { display: none; } }
@media (max-width: 900px) { .docs, .docs.has-toc { grid-template-columns: minmax(0, 1fr); } }
nav.side { position: sticky; top: 76px; max-height: calc(100vh - 96px); overflow: auto; font-family: var(--ui); font-size: 14.5px; padding-bottom: 24px; }
@media (max-width: 900px) { nav.side { position: static; max-height: none; border: 1px solid var(--rule); border-radius: var(--radius); padding: 6px 14px; } }
nav.side summary { cursor: pointer; font: 600 11px var(--ui); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); padding: 8px 0; list-style: none; }
nav.side summary::-webkit-details-marker { display: none; }
nav.side a { display: block; padding: 6px 10px; margin: 1px -10px; border-radius: 7px; color: var(--soft); text-decoration: none; line-height: 1.35; }
nav.side a:hover { background: var(--accent-soft); color: var(--ink); }
nav.side a.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
nav.side a.hub { color: var(--dim); }
nav.side h6 { margin: 18px 0 4px; font: 600 11px var(--ui); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.toc { position: sticky; top: 76px; max-height: calc(100vh - 96px); overflow: auto; font: 13.5px/1.35 var(--ui); padding-bottom: 24px; }
.toc h6 { margin: 8px 0 8px; font: 600 11px var(--ui); letter-spacing: .12em; text-transform: uppercase; color: var(--dim); }
.toc a { display: block; padding: 4px 0 4px 12px; border-left: 2px solid var(--hair); color: var(--soft); text-decoration: none; }
.toc a.l3 { padding-left: 24px; font-size: 13px; }
.toc a:hover { color: var(--ink); }
.toc a.on { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }

.prose { min-width: 0; max-width: 760px; overflow-wrap: break-word; }
.prose li, .prose p, .prose blockquote { min-width: 0; overflow-wrap: anywhere; }
.prose > :first-child { margin-top: 0; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-family: var(--serif); font-weight: 600; line-height: 1.2; letter-spacing: -.005em; position: relative; }
.prose h1 { font-size: 34px; margin: 2em 0 .5em; }
.prose h2 { font-size: 29px; margin: 2.1em 0 .55em; padding-top: .5em; border-top: 1px solid var(--hair); }
.prose h3 { font-size: 22.5px; margin: 1.8em 0 .45em; }
.prose h4 { font-size: 18.5px; margin: 1.5em 0 .4em; }
.prose .anchor { position: absolute; left: -1em; color: var(--dim); text-decoration: none; opacity: 0; font: 400 .8em var(--ui); }
.prose h2:hover .anchor, .prose h3:hover .anchor, .prose h4:hover .anchor, .anchor:focus { opacity: 1; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.05em; }
.prose li { margin: .3em 0; }
.prose li > ul, .prose li > ol { margin: .3em 0 .5em; }
.prose strong { font-weight: 650; }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.2em 0; }
.prose :not(pre) > code { background: var(--codebg); border: 1px solid var(--hair); border-radius: 5px; padding: .08em .35em; font-size: .84em; overflow-wrap: anywhere; }
.prose blockquote { margin: 1.3em 0; padding: .2em 0 .2em 1.1em; border-left: 3px solid var(--accent); color: var(--soft); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose .lede { font-size: 20px; color: var(--soft); }
.srcnote { font: 14px/1.5 var(--ui); color: var(--dim); background: var(--desk); border: 1px solid var(--hair); border-radius: 10px; padding: 10px 14px; margin: 0 0 1.6em; }
pre.code { position: relative; background: var(--codebg); border: 1px solid var(--hair); border-radius: 10px; padding: 16px 18px; margin: 1.2em 0; overflow: auto; font: 13.6px/1.55 var(--mono); tab-size: 2; -webkit-text-size-adjust: none; }
pre.code code { font: inherit; white-space: pre; }
pre.code[data-lang]::before { content: attr(data-lang); position: absolute; top: 6px; right: 12px; font: 600 10.5px var(--ui); letter-spacing: .1em; text-transform: uppercase; color: var(--dim); }
pre.code .copy { position: absolute; top: 24px; right: 8px; border: 1px solid var(--rule); background: var(--paper); color: var(--soft); border-radius: 6px; font: 12px var(--ui); padding: 3px 8px; cursor: pointer; opacity: 0; }
pre.code:hover .copy, pre.code .copy:focus { opacity: 1; }
.tablewrap { overflow-x: auto; margin: 1.3em 0; border: 1px solid var(--hair); border-radius: 10px; }
.prose table { border-collapse: collapse; width: 100%; font: 14.5px/1.5 var(--ui); }
.prose th { text-align: left; font-weight: 600; color: var(--soft); background: var(--desk); }
.prose th, .prose td { padding: 9px 13px; border-bottom: 1px solid var(--hair); vertical-align: top; }
.prose tbody tr:last-child td { border-bottom: 0; }
.prose td code { font-size: .86em; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin: 14px 0 8px; }
.card { display: block; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--radius); padding: 18px 20px; text-decoration: none; color: var(--ink); transition: border-color .12s, transform .12s; }
.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card b { display: block; font: 600 17px/1.3 var(--serif); color: var(--accent); }
.card span { display: block; margin-top: 6px; font: 14.5px/1.5 var(--ui); color: var(--soft); }
.prose .tip, .prose .warn { font: 15.5px/1.55 var(--ui); border-radius: 10px; padding: 14px 18px; margin: 1.4em 0; background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--rule)); }
.prose .warn { background: var(--gold-soft); border-color: color-mix(in srgb, var(--gold) 30%, var(--rule)); }
.prose .tip p:last-child, .prose .warn p:last-child { margin-bottom: 0; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--rule); font-family: var(--ui); }
.pager a { display: block; border: 1px solid var(--rule); border-radius: var(--radius); padding: 14px 18px; text-decoration: none; color: var(--accent); font-weight: 600; line-height: 1.35; }
.pager a:hover { border-color: var(--accent); }
.pager a.next { text-align: right; grid-column: 2; }
.pager small { display: block; font-weight: 500; font-size: 12px; color: var(--dim); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 3px; }

/* ---- the footer */
.foot { border-top: 1px solid var(--rule); background: var(--desk); font-family: var(--ui); font-size: 14.5px; padding: 44px 0 56px; }
.foot .cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 28px; }
@media (max-width: 760px) { .foot .cols { grid-template-columns: 1fr; } }
.foot b { display: block; margin-bottom: 8px; }
.foot a { display: block; color: var(--soft); text-decoration: none; padding: 3px 0; }
.foot a:hover { color: var(--accent); text-decoration: underline; }
.foot p { margin: 0; color: var(--soft); max-width: 36em; }
.foot .fine { font-size: 12.5px; color: var(--dim); margin-top: 32px; max-width: 70em; line-height: 1.55; }

/* ---- 404 */
.nf .notfound { min-height: 80vh; display: grid; place-items: center; text-align: center; }
.nf .ico { width: 44px; height: 44px; color: var(--accent); }
.nf h1 { font: 500 40px var(--serif); margin: 12px 0; }

@media print { .top, .side, .toc, .pager, .foot, .search, .theme { display: none !important; } .docs { display: block; } body { font-size: 11pt; } }

/* real screenshots are light: soften them a little in the dark theme */
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) figure.shot img { filter: brightness(.92); } }
:root[data-theme="dark"] figure.shot img { filter: brightness(.92); }