/* Crow Nest Docs. Brand palette (brand-assets/tokens.css): paper, ink, mid, sea. Disket Mono for page and section
   titles only; Fragment Mono for everything you read. Structure comes from the brand's 2px ink rules, not cards. */
@font-face { font-family: "Disket Mono"; src: url("/assets/fonts/disket-mono-bold.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --paper: #ECECEA;
  --ink: #232322;
  --mid: #8C8C89;
  --sea: #9CCAEE;
  --sea-ink: #2B6A9A;        /* sea darkened for text on paper (4.8:1) */
  --line: #232322;
  --soft: #DCDCD9;           /* hover and table stripes */
  --code-bg: #232322;
  --code-fg: #ECECEA;
  --inline-bg: #DCDCD9;
  --head: "Disket Mono", "Fragment Mono", ui-monospace, monospace;
  --body: "Fragment Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --paper: #232322;
  --ink: #ECECEA;
  --line: #ECECEA;
  --soft: #30302F;
  --sea-ink: #9CCAEE;
  --code-bg: #30302F;
  --code-fg: #ECECEA;
  --inline-bg: #353534;
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #232322; --ink: #ECECEA; --line: #ECECEA; --soft: #30302F; --sea-ink: #9CCAEE;
    --code-bg: #30302F; --code-fg: #ECECEA; --inline-bg: #353534; color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 76px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.65 var(--body); overflow-wrap: break-word; }
a { color: var(--ink); text-decoration-color: var(--sea); text-decoration-thickness: 2px; text-underline-offset: 3px; }
a:hover { color: var(--sea-ink); }
:focus-visible { outline: 3px solid var(--sea); outline-offset: 2px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 50; background: var(--paper); padding: 6px 10px; border: 2px solid var(--line); }

/* Top bar */
.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--paper); border-bottom: 2px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--head); font-size: 17px; letter-spacing: -0.02em; text-transform: uppercase; white-space: nowrap; }
.brand-docs { color: var(--mid); }
.search { position: relative; flex: 1; max-width: 420px; margin-left: auto; }
.search input { width: 100%; font: inherit; font-size: 14px; color: var(--ink); background: transparent; border: 2px solid var(--line); padding: 6px 34px 6px 10px; }
.search input::placeholder { color: var(--mid); }
.search kbd { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font: 12px var(--body); color: var(--mid); border: 1px solid var(--mid); padding: 0 5px; pointer-events: none; }
#results { position: absolute; left: 0; right: 0; top: calc(100% + 6px); margin: 0; padding: 0; list-style: none; background: var(--paper); border: 2px solid var(--line); max-height: 60vh; overflow: auto; }
#results a { display: block; padding: 8px 12px; text-decoration: none; border-bottom: 1px solid var(--soft); }
#results a:hover, #results a[aria-selected="true"] { background: var(--soft); }
#results small { display: block; color: var(--mid); font-size: 12px; }
#results .empty { padding: 10px 12px; color: var(--mid); }
.top-links { display: flex; align-items: center; gap: 16px; font-size: 14px; }
.top-links a { text-decoration: none; }
.top-links a:hover { text-decoration: underline; text-decoration-color: var(--sea); }
button { font: inherit; color: var(--ink); background: transparent; border: 2px solid var(--line); padding: 3px 10px; cursor: pointer; }
button:hover { background: var(--soft); }
/* The theme button names the theme it switches to: "Dark" while light, "Light" while dark. CSS picks the word, so it's
   right from the first paint, whether the theme came from the system or from the button. */
.theme .to-light { display: none; }
:root[data-theme="dark"] .theme .to-dark { display: none; }
:root[data-theme="dark"] .theme .to-light { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme .to-dark { display: none; }
  :root:not([data-theme="light"]) .theme .to-light { display: inline; }
}
.menu { display: none; }

/* Three columns: pages, the article, on this page */
.shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); max-width: 1320px; margin: 0 auto; }
.sidebar { position: sticky; top: 56px; align-self: start; height: calc(100vh - 56px); overflow-y: auto; padding: 24px 20px 40px; border-right: 2px solid var(--line); font-size: 14px; }
.nav-section { margin-bottom: 22px; }
.nav-title { margin: 0 0 6px; color: var(--mid); font-size: 13px; }
.sidebar ul, .toc ul { list-style: none; margin: 0; padding: 0; }
.sidebar a { display: block; padding: 3px 0 3px 12px; text-decoration: none; border-left: 2px solid transparent; }
.sidebar a:hover { border-left-color: var(--mid); }
.sidebar a[aria-current="page"] { border-left: 4px solid var(--sea); padding-left: 10px; font-weight: 700; }

main { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 48px; padding: 40px 40px 80px; }
article { max-width: 74ch; min-width: 0; }
.toc { position: sticky; top: 80px; align-self: start; font-size: 13px; max-height: calc(100vh - 100px); overflow: auto; }
.toc li { margin: 3px 0; }
.toc .l3 { padding-left: 12px; }
.toc a { color: var(--mid); text-decoration: none; }
.toc a:hover, .toc a.on { color: var(--ink); text-decoration: underline; text-decoration-color: var(--sea); }

/* The article */
.eyebrow { margin: 0 0 6px; color: var(--mid); font-size: 13px; }
h1, h2 { font-family: var(--head); text-transform: uppercase; letter-spacing: 0; line-height: 1.2; }
h1 { font-size: clamp(26px, 4vw, 36px); margin: 0 0 18px; }
h2 { font-size: 20px; margin: 48px 0 12px; padding-top: 14px; border-top: 2px solid var(--line); }
h3 { font-size: 16px; margin: 32px 0 8px; }
h4 { font-size: 15px; margin: 24px 0 6px; color: var(--mid); }
h2, h3, h4 { position: relative; }
.anchor { position: absolute; left: -1.1em; color: var(--mid); text-decoration: none; opacity: 0; }
h2:hover .anchor, h3:hover .anchor, .anchor:focus { opacity: 1; }
article > p:first-of-type { font-size: 16px; }
p, ul, ol { margin: 0 0 14px; }
li { margin: 4px 0; }
ul, ol { padding-left: 22px; }
strong { font-weight: 700; }
code { font: 0.92em var(--body); background: var(--inline-bg); padding: 1px 5px; }
a code { text-decoration: underline; text-decoration-color: var(--sea); }

.code { margin: 18px 0 22px; background: var(--code-bg); color: var(--code-fg); border: 2px solid var(--code-bg); }
.code-bar { display: flex; justify-content: space-between; align-items: center; padding: 4px 6px 4px 12px; font-size: 12px; }
.code-bar span { background: var(--sea); color: #232322; padding: 0 8px; }
.code-bar .copy { border-color: var(--mid); color: var(--code-fg); font-size: 12px; padding: 1px 8px; }
.code-bar .copy:hover { background: transparent; border-color: var(--code-fg); }
pre { margin: 0; padding: 4px 16px 16px; overflow-x: auto; max-width: 100%; }
pre code { background: none; padding: 0; font-size: 13.5px; line-height: 1.6; color: inherit; }

.table { overflow-x: auto; margin: 18px 0 22px; border: 2px solid var(--line); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 8px 12px; border-bottom: 1px solid var(--soft); }
th { border-bottom: 2px solid var(--line); }
tbody tr:last-child td { border-bottom: 0; }

.callout { margin: 18px 0 22px; padding: 12px 16px; border-left: 6px solid var(--sea); background: var(--soft); }
.callout p { margin: 0; }
.callout.warning, .callout.important { border-left-color: var(--ink); }

.page-tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 48px; padding-top: 14px; border-top: 2px solid var(--line); font-size: 13px; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.pager a { display: block; padding: 12px 14px; border: 2px solid var(--line); text-decoration: none; }
.pager a:hover { background: var(--soft); }
.pager span { display: block; color: var(--mid); font-size: 12px; }
.pager .next { text-align: right; grid-column: 2; }

/* Narrower: on-this-page goes, then the page list becomes a drawer */
@media (max-width: 1180px) { main { grid-template-columns: minmax(0, 1fr); } .toc { display: none; } }
@media (max-width: 860px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .menu { display: inline-block; }
  .sidebar { position: fixed; z-index: 30; top: 56px; left: 0; width: min(300px, 86vw); background: var(--paper); transform: translateX(-102%); transition: transform .18s ease-out; border-right: 2px solid var(--line); }
  .sidebar.open { transform: none; }
  main { padding: 28px 16px 64px; }
  .top { gap: 10px; padding: 10px 16px; }
  .brand-docs, .top-links a { display: none; }
  .search kbd { display: none; }
  .anchor { display: none; }
}
@media (max-width: 480px) { .pager { grid-template-columns: 1fr; } .pager .next { grid-column: 1; } }
@media (prefers-reduced-motion: reduce) { .sidebar { transition: none; } html { scroll-behavior: auto; } }
@media print { .top, .sidebar, .toc, .page-tools, .pager { display: none; } .shell, main { display: block; } }