/* docs.css: AFA Protocol documentation. System fonts, no external assets. */
:root {
  --bg: #f2f0e9; --panel: #fafaf9; --ink: #12120f; --ink-soft: #302f2a;
  --muted: #5f5d56; --rule: #b8b5ab; --signal: #b84f0e; --signal-bg: #ffe6d2;
  --code-bg: #e9e6dd; --link: #12120f; --focus: #e66716;
  --get: #1f5f8b; --post: #1f7a4f; --put: #8a5a00; --delete: #b43023;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161613; --panel: #1e1e1a; --ink: #ecebe5; --ink-soft: #d6d4cb;
    --muted: #a9a79d; --rule: #4a4942; --signal: #ff9b55; --signal-bg: #3a2a1c;
    --code-bg: #26261f; --link: #ecebe5; --focus: #ff9b55;
    --get: #7fb7e6; --post: #7fd1a3; --put: #e6bd6a; --delete: #f48b82;
  }
}
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); color: var(--ink); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; min-width: 320px; font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow-x: hidden; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { color: var(--signal); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
code, pre, .hash { font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace; }
code { background: var(--code-bg); padding: .1em .35em; border-radius: 3px; font-size: .92em; overflow-wrap: anywhere; }
pre { background: var(--code-bg); padding: 14px 16px; overflow-x: auto; border-radius: 4px; line-height: 1.45; font-size: 14px; max-width: 100%; }
pre code { background: none; padding: 0; font-size: inherit; overflow-wrap: normal; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; transform: translateY(-150%); padding: 10px 14px; background: var(--ink); color: var(--bg); font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: sticky; top: 0; z-index: 30; display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 60px; padding: 0 20px; border-bottom: 1px solid var(--ink); background: var(--bg); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: .08em; font-size: 13px; }
.brand-mark { width: 30px; height: 30px; }
.brand small { font-weight: 600; letter-spacing: .04em; color: var(--muted); }
.console-link { font-size: 14px; font-weight: 700; }
.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; padding: 20px; max-width: 1180px; margin: 0 auto; }
.docs-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; }
.docs-nav li.nav-group { flex-basis: 100%; }
.docs-nav li.nav-group > span { display: block; margin-top: 8px; font-size: 11px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.docs-nav li.nav-group ul { padding-left: 0; }
.docs-nav a { font-size: 14px; text-decoration: none; padding: 4px 0; display: inline-block; border-bottom: 2px solid transparent; }
.docs-nav a[aria-current="page"] { border-bottom-color: var(--signal); font-weight: 700; }
.docs-nav a:hover { border-bottom-color: var(--rule); }
main.doc { min-width: 0; max-width: 72ch; }
h1 { font-size: clamp(30px, 4.5vw, 44px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 40px 0 10px; letter-spacing: -.02em; }
h3 { font-size: 17px; margin: 26px 0 8px; }
h4 { font-size: 14px; margin: 16px 0 6px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
p, li { color: var(--ink-soft); }
.kicker { margin: 18px 0 6px; font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--signal); }
.intro { font-size: 18px; line-height: 1.5; color: var(--ink); }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; margin-top: 18px; }
.card { display: flex; flex-direction: column; gap: 8px; padding: 16px; border: 1px solid var(--rule); background: var(--panel); text-decoration: none; color: inherit; }
.card:hover { border-color: var(--signal); }
.card strong { font-size: 16px; }
.card span { font-size: 14px; color: var(--muted); }
.table-wrap { overflow-x: auto; max-width: 100%; margin: 12px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { border: 1px solid var(--rule); padding: 8px 10px; text-align: left; vertical-align: top; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; background: var(--panel); }
.toc { padding-left: 18px; font-size: 14px; }
.toc li { margin: 4px 0; }
.op { border-top: 1px solid var(--rule); padding-top: 22px; margin-top: 34px; }
.op h2 { margin-top: 0; font-size: 20px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.method { font-weight: 800; padding: .15em .5em; border-radius: 3px; color: #fff; background: var(--get); font-size: 13px; }
.m-post { background: var(--post); } .m-put, .m-patch { background: var(--put); } .m-delete { background: var(--delete); }
@media (prefers-color-scheme: dark) { .method { color: #111; } }
.path { font-size: 15px; }
.op-title { font-weight: 700; color: var(--ink); margin: 6px 0 4px; }
.purpose { margin-top: 0; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; font-size: 14px; margin: 10px 0 0; }
.meta dt { font-weight: 700; color: var(--muted); }
.meta dd { margin: 0; }
.fields, .params { margin: 8px 0; }
.fields dt, .params dt { margin-top: 10px; font-size: 14px; }
.fields dd, .params dd { margin: 2px 0 0 0; font-size: 14px; color: var(--ink-soft); }
.type { color: var(--muted); font-size: 13px; margin-left: 6px; }
.req { color: var(--signal); font-size: 12px; font-weight: 700; margin-left: 6px; }
.nested { margin: 6px 0 0 12px; font-size: 14px; }
.nested summary { cursor: pointer; }
.pending { display: inline-block; background: var(--signal-bg); color: var(--ink); padding: 2px 8px; border-radius: 3px; font-size: 13px; font-weight: 700; }
p.pending { display: block; padding: 10px 12px; font-weight: 400; }
.check { border-left: 3px solid var(--signal); padding-left: 12px; }
.note { border-left: 3px solid var(--rule); padding-left: 12px; font-size: 15px; }
.limit { margin-top: 26px; }
.limit h2 { margin-top: 0; }
.hash { font-size: 12px; overflow-wrap: anywhere; }
.tools dt, dl.row dt { font-weight: 700; margin-top: 10px; font-size: 14px; }
.tools dd, dl.row dd { margin: 2px 0 0 0; font-size: 14px; color: var(--ink-soft); }
dl.row { border-top: 1px solid var(--rule); padding-top: 6px; }
.site-footer { border-top: 1px solid var(--rule); padding: 20px; font-size: 13px; color: var(--muted); max-width: 1180px; margin: 40px auto 0; }
.site-footer .company { font-weight: 700; color: var(--ink-soft); }
@media (min-width: 900px) {
  .layout { grid-template-columns: 230px minmax(0, 1fr); padding: 28px 24px; }
  .docs-nav { position: sticky; top: 76px; align-self: start; }
  .docs-nav ul { flex-direction: column; gap: 2px; }
  .docs-nav li.nav-group ul { margin-left: 6px; border-left: 1px solid var(--rule); padding-left: 10px; }
}
@media print { .site-header, .docs-nav, .console-link { display: none; } main.doc { max-width: none; } }