/* Documentation layout: sidebar, article on manila "sheets", on-page TOC, and search. */
.docs .nav .wrap.wide { max-width: none; padding: 0 20px; gap: 14px; }
.brand-docs { font: 600 11px/1 var(--f-mono); letter-spacing: 0.18em; color: var(--ink); background: var(--hl); padding: 4px 6px; border-radius: 4px; }
.nav-links.compact { margin-left: 0; display: flex; position: static; flex-direction: row; padding: 0; background: none; border: 0; }
.nav-links.compact a { padding: 9px 10px; }
.side-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--fg); width: 40px; height: 40px; border-radius: 50%; cursor: pointer; place-items: center; flex: none; }

/* ---------- search ---------- */
.dsearch { position: relative; flex: 1; min-width: 0; max-width: 520px; margin-left: auto; display: flex; align-items: center; background: var(--ink-2); border: 1px solid var(--line); border-radius: 999px; padding: 0 12px; height: 42px; }
.dsearch:focus-within { border-color: var(--hl); }
.dsearch > svg { width: 17px; height: 17px; color: var(--muted); flex: none; }
.dsearch input { flex: 1; width: 0; min-width: 0; background: none; border: 0; color: var(--fg); font: 16px var(--f-sans); padding: 0 10px; outline: none; height: 100%; }
.dsearch input::-webkit-search-cancel-button { filter: invert(0.7); }
.dsearch kbd { font: 600 12px/1 var(--f-mono); color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 4px 7px; }
.dsearch:focus-within kbd { display: none; }
.dresults { position: absolute; top: calc(100% + 8px); left: 0; right: 0; min-width: min(560px, calc(100vw - 32px)); max-height: min(70vh, 560px); overflow: auto; background: var(--ink-2); border: 1px solid var(--edge); border-radius: 14px; box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.55); padding: 6px; z-index: 70; }
.result { display: block; text-decoration: none; color: var(--fg); padding: 10px 12px; border-radius: 10px; }
.result[aria-selected="true"], .result:hover { background: var(--ink-hover); }
.result .r-where { display: block; font: 600 11px/1.4 var(--f-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.result .r-title { display: block; font: 700 19px/1.2 var(--f-disp); letter-spacing: 0.01em; margin: 2px 0 3px; }
.result .r-snip { display: block; font-size: 14px; line-height: 1.45; color: var(--muted); }
.result mark { color: var(--ink); }
.r-empty { padding: 14px; color: var(--muted); font-size: 15px; }
.r-count { padding: 6px 12px 8px; font: 600 11px/1 var(--f-mono); letter-spacing: 0.12em; color: var(--muted); text-transform: uppercase; }

/* ---------- layout ---------- */
.docs-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); min-height: calc(100svh - 60px); }
.sidebar { position: sticky; top: 60px; height: calc(100svh - 60px); overflow: auto; border-right: 1px solid var(--line); padding: 22px 18px 40px; }
.side-home { display: block; color: var(--fg); text-decoration: none; font-weight: 600; padding: 8px 10px; border-radius: 8px; margin-bottom: 10px; }
.side-group { margin-top: 16px; }
.side-group p { margin: 0 0 6px; padding: 0 10px; font: 600 11px/1.3 var(--f-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--hl); }
.side-group ul { list-style: none; margin: 0; padding: 0; }
.side-group a { display: block; color: var(--muted); text-decoration: none; font-size: 15px; line-height: 1.35; padding: 7px 10px; border-radius: 8px; }
.side-group a:hover, .side-home:hover { color: var(--fg); background: var(--ink-2); }
.sidebar a[aria-current="page"] { color: var(--ink); background: var(--hl); font-weight: 600; }
.doc-main { min-width: 0; padding: 32px clamp(16px, 4vw, 48px) 80px; }
.doc-grid { display: grid; grid-template-columns: minmax(0, 820px) 220px; gap: 40px; justify-content: center; }

@media (max-width: 1180px) { .doc-grid { grid-template-columns: minmax(0, 820px); } .toc { display: none; } }
@media (max-width: 900px) {
  .doc-main { padding: 18px 16px 60px; }
  .side-toggle { display: grid; }
  .docs-layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; top: 60px; left: 0; bottom: 0; height: auto; width: min(320px, 86vw); background: var(--ink); z-index: 55; transform: translateX(-102%); transition: transform 0.25s; box-shadow: 20px 0 60px rgba(0, 0, 0, 0.5); }
  .sidebar.open { transform: none; }
  .nav-links.compact { display: none; }
  .brand-text { display: none; }
  .dsearch { margin-left: 0; }
  .dsearch kbd { display: none; }
}

/* ---------- article ---------- */
.prose { background: var(--sheet); color: var(--ink-text); border-radius: 12px; padding: clamp(22px, 5vw, 56px); box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.7); font-size: 17px; line-height: 1.7; min-width: 0; }
.prose a { color: var(--rust-deep); }
.crumb { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 14px; font-size: 14px; color: var(--ink-soft); }
.prose .crumb a { color: var(--ink-soft); text-decoration: none; }
.prose .crumb a:hover { color: var(--rust-deep); text-decoration: underline; }
.prose h1 { font-size: clamp(40px, 6vw, 64px); color: var(--ink-text); }
.doc-lede { font-size: 20px; color: var(--ink-soft); margin: 14px 0 6px; line-height: 1.5; }
.prose h2 { font-size: clamp(30px, 4vw, 40px); margin: 48px 0 12px; padding-top: 20px; border-top: 2px solid rgba(24, 33, 58, 0.1); }
.prose h3 { font-size: 26px; margin: 32px 0 8px; }
.prose h4 { font: 700 17px/1.3 var(--f-sans); margin: 24px 0 6px; }
.prose h2, .prose h3, .prose h4 { position: relative; scroll-margin-top: 80px; }
.anchor { position: absolute; left: -0.9em; color: rgba(24, 33, 58, 0.25) !important; text-decoration: none; opacity: 0; font-weight: 600; }
.prose :is(h2, h3, h4):hover .anchor { opacity: 1; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose > p, .prose > ul, .prose > ol, .prose .doc-lede { max-width: 70ch; }
.prose li { margin: 6px 0; }
.prose li::marker { color: var(--rust); font-weight: 700; }
.prose strong { font-weight: 600; }
.prose code { font: 0.86em var(--f-mono); background: rgba(24, 33, 58, 0.07); border: 1px solid rgba(24, 33, 58, 0.1); padding: 0.1em 0.4em; border-radius: 5px; overflow-wrap: anywhere; }
.prose img { border-radius: 8px; border: 1px solid rgba(24, 33, 58, 0.15); }
.prose hr { border: 0; border-top: 2px dashed rgba(24, 33, 58, 0.15); margin: 32px 0; }
.prose blockquote { margin: 0 0 16px; padding: 12px 18px; border-radius: 10px; background: rgba(24, 33, 58, 0.05); color: var(--ink-soft); }
.prose mark.find { background: var(--hl); color: var(--ink-text); border-radius: 2px; box-shadow: 0 0 0 2px var(--hl); }

.code { margin: 0 0 18px; border-radius: 10px; overflow: hidden; background: var(--ink); border: 1px solid var(--line); }
.code-bar { display: flex; justify-content: space-between; align-items: center; padding: 6px 8px 6px 14px; font: 600 11px/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--line); }
.copy { font: 600 11px/1 var(--f-mono); letter-spacing: 0.08em; color: var(--fg); background: var(--ink-2); border: 1px solid var(--line); border-radius: 6px; padding: 6px 9px; cursor: pointer; }
.copy:hover { border-color: var(--hl); }
.copy.done { background: var(--hl); color: var(--ink); border-color: var(--hl); }
.code pre { margin: 0; padding: 14px 16px; overflow: auto; }
.code code { font: 14px/1.6 var(--f-mono); color: var(--fg); background: none; border: 0; padding: 0; white-space: pre; overflow-wrap: normal; }

.table { overflow-x: auto; margin: 0 0 18px; border: 1px solid rgba(24, 33, 58, 0.14); border-radius: 10px; }
.table table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.5; }
.table th, .table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid rgba(24, 33, 58, 0.1); vertical-align: top; }
.table th { background: var(--paper); font: 600 12px/1.3 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.table tr:last-child td { border-bottom: 0; }

.callout { margin: 0 0 18px; padding: 14px 18px; border-radius: 10px; border: 1px solid; }
.callout p:last-child { margin-bottom: 0; }
.callout-label { display: inline-block; font: 700 11px/1 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; padding: 5px 7px; border-radius: 4px; margin-right: 6px; vertical-align: 2px; }
.callout.note { background: #eef3fb; border-color: #c7d6ef; }
.callout.note .callout-label { background: var(--line); color: #fff; }
.callout.tip { background: #fff9cf; border-color: #f0dd5a; }
.callout.tip .callout-label { background: var(--hl); color: var(--ink); }
.callout.warning, .callout.important { background: #fdeee9; border-color: #f2b9a8; }
.callout.warning .callout-label, .callout.important .callout-label { background: var(--red-ink); color: #fff; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; padding-top: 24px; border-top: 2px solid rgba(24, 33, 58, 0.1); }
.pager a { display: block; text-decoration: none; color: var(--ink-text); border: 1px solid rgba(24, 33, 58, 0.15); border-radius: 10px; padding: 12px 16px; font: 700 20px/1.15 var(--f-disp); }
.pager a:hover { border-color: var(--ochre); background: #fff9cf; }
.pager small { display: block; font: 600 11px/1.6 var(--f-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.pager .next { text-align: right; }
@media (max-width: 560px) { .pager { grid-template-columns: 1fr; } .pager .next { text-align: left; } }

/* ---------- TOC ---------- */
.toc { position: sticky; top: 92px; align-self: start; max-height: calc(100svh - 120px); overflow: auto; font-size: 14px; }
.toc p { margin: 0 0 10px; font: 600 11px/1 var(--f-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc a { display: block; color: var(--muted); text-decoration: none; padding: 5px 12px; line-height: 1.35; margin-left: -1px; border-left: 1px solid transparent; }
.toc .d3 a { padding-left: 24px; font-size: 13px; }
.toc a:hover { color: var(--fg); }
.toc a.on { color: var(--hl); border-left-color: var(--hl); }

/* ---------- landing ---------- */
.docs-home { max-width: 1100px; margin: 0 auto; }
.docs-hero { padding: 24px 0 36px; }
.docs-hero h1 { font-size: clamp(44px, 7vw, 84px); max-width: 15ch; }
.docs-hero .hl { color: var(--ink); }
.docs-hero .doc-lede { color: var(--muted); max-width: 60ch; }
.searchbox.big { margin: 26px 0 0; max-width: 720px; }
.landing-results:not(:empty) { margin-top: 18px; max-width: 820px; background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; padding: 6px; }
.group-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.group-card { background: var(--ink-2); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.group-card h2 { font-size: 30px; margin-bottom: 10px; }
.group-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.group-card a { display: block; text-decoration: none; color: var(--fg); padding: 8px 10px; border-radius: 8px; margin: 0 -10px; }
.group-card a:hover { background: var(--ink-hover); }
.group-card strong { display: block; font-weight: 600; font-size: 16px; }
.group-card span { display: block; color: var(--muted); font-size: 14px; line-height: 1.4; margin-top: 2px; }

/* ---------- hand-made guides (content/docs/*.html) ---------- */
.prose .ui { font-weight: 600; white-space: nowrap; }
.prose .path { font: 0.86em var(--f-mono); background: rgba(24, 33, 58, 0.07); border: 1px solid rgba(24, 33, 58, 0.1); padding: 0.1em 0.4em; border-radius: 5px; overflow-wrap: anywhere; }
.prose kbd { font: 600 0.82em var(--f-mono); border: 1px solid rgba(24, 33, 58, 0.25); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; background: #fff; }
.prose pre:not(.code pre) { font: 14px/1.6 var(--f-mono); background: var(--ink); color: var(--fg); border-radius: 10px; padding: 14px 16px; overflow: auto; margin: 0 0 18px; }
.prose pre:not(.code pre) code { background: none; border: 0; padding: 0; color: inherit; font-size: inherit; overflow-wrap: normal; white-space: pre; }
.guide-summary { background: var(--paper); border-radius: 12px; padding: clamp(18px, 3vw, 26px); margin: 26px 0 8px; }
.prose .guide-summary h2 { margin: 0 0 10px; padding: 0; border: 0; font-size: 30px; }
.guide-flow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 10px; align-items: stretch; margin: 18px 0 20px; }
.guide-flow .box { background: var(--sheet); border: 1px solid rgba(24, 33, 58, 0.12); border-radius: 10px; padding: 12px 14px; font-size: 15px; line-height: 1.5; }
.guide-flow .box strong { display: block; margin-bottom: 2px; font: 700 19px/1.2 var(--f-disp); letter-spacing: 0.01em; }
.guide-flow .arrow { align-self: center; color: var(--rust); font-size: 22px; font-weight: 700; }
.guide-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.guide-two > div { background: var(--sheet); border: 1px solid rgba(24, 33, 58, 0.12); border-radius: 10px; padding: 14px 16px; }
.prose .guide-two h3 { margin: 0 0 6px; font-size: 22px; }
.guide-two ul { margin: 0; padding-left: 20px; font-size: 15px; line-height: 1.55; }
.guide-toc { columns: 2; column-gap: 32px; margin: 18px 0 0; font-size: 15px; }
@media (max-width: 640px) {
  .guide-flow, .guide-two { grid-template-columns: 1fr; }
  .guide-flow .arrow { transform: rotate(90deg); justify-self: center; }
  .guide-toc { columns: 1; }
}
.guide-part { display: inline-block; font: 600 12px/1 var(--f-mono); letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink); background: var(--hl); padding: 6px 9px; border-radius: 4px; margin: 22px 0 14px; }
.prose ol.guide-steps { counter-reset: gstep; list-style: none; padding: 0; margin: 0 0 8px; }
.prose ol.guide-steps > li { counter-increment: gstep; position: relative; padding: 0 0 16px 48px; margin: 0; }
.prose ol.guide-steps > li::before { content: counter(gstep); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 50%; background: var(--ink); color: var(--hl); font: 700 15px/32px var(--f-mono); text-align: center; }
.prose ol.guide-steps > li > strong:first-child { display: block; margin-bottom: 2px; }
.prose ol.guide-steps ul { margin: 6px 0 0; }
.callout.good { background: #e9f4ec; border-color: #b9dcc3; }
.callout.good strong:first-child { color: #2e6b3f; }
.guide-tree { font: 13.5px/1.7 var(--f-mono); background: var(--ink); color: var(--fg); border-radius: 10px; padding: 14px 16px; overflow-x: auto; white-space: pre; margin: 0 0 18px; }
.guide-tree .c { color: var(--muted); }
.guide-tree .m { color: var(--hl); font-weight: 600; }
.prose .table td .path { white-space: normal; }
.guide-foot { margin-top: 40px; color: var(--ink-soft); font-size: 14px; }