/* ===========================================================================
   API BCE — documentation layout
   3 columns: sidebar · content · table of contents
   =========================================================================== */
.docs-shell { max-width: 1380px; margin: 0 auto; display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w); gap: 0; }
/* backdrop only participates on mobile (see media query) */
.sb-backdrop { display: none; }

/* ---- Sidebar ---- */
.docs-sidebar {
  position: sticky; top: var(--nav-h); align-self: start;
  height: calc(100vh - var(--nav-h)); overflow-y: auto;
  padding: 30px 22px 60px; border-right: 1px solid var(--line);
}
.docs-sidebar::-webkit-scrollbar { width: 8px; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--line); border-radius: 8px; }
.sb-group { margin-bottom: 26px; }
.sb-group h5 { font-size: 11.5px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 700; margin: 0 0 8px 10px; }
.sb-group a { display: flex; align-items: center; gap: 9px; font-size: 14px; color: var(--slate); padding: 7px 10px; border-radius: 8px; font-weight: 500; line-height: 1.35; }
.sb-group a:hover { color: var(--ink); background: var(--bg-2); }
.sb-group a.active { color: var(--brand); background: var(--brand-50); font-weight: 600; }
.sb-group a .verb { font-family: var(--mono); font-size: 9.5px; font-weight: 700; padding: 2px 5px; border-radius: 5px; flex-shrink: 0; letter-spacing: .02em; }

/* ---- Content ---- */
.docs-main { min-width: 0; padding: 38px 48px 100px; }
.docs-breadcrumb { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.docs-breadcrumb a:hover { color: var(--brand); }
.docs-main h1 { font-size: 34px; letter-spacing: -.03em; line-height: 1.12; margin-bottom: 8px; }
.docs-lead { font-size: 17px; color: var(--slate); margin-bottom: 30px; }
.docs-main h2 { font-size: 22px; letter-spacing: -.02em; margin: 44px 0 14px; padding-top: 8px; scroll-margin-top: calc(var(--nav-h) + 16px); }
.docs-main h3 { font-size: 17px; margin: 28px 0 10px; }
.docs-main p { color: var(--ink-2); font-size: 15px; margin-bottom: 14px; }
.docs-main a:not(.btn) { color: var(--brand); font-weight: 500; }
.docs-main a:not(.btn):hover { text-decoration: underline; }
.docs-main ul, .docs-main ol { margin: 0 0 16px 22px; }
.docs-main li { color: var(--ink-2); font-size: 15px; margin-bottom: 7px; }
.docs-main :not(pre) > code { font-family: var(--mono); font-size: 12.8px; background: var(--bg-3); color: var(--brand-ink); padding: 2px 6px; border-radius: 6px; border: 1px solid var(--line); }
:root[data-theme="dark"] .docs-main :not(pre) > code { color: #9fc0ff; }

/* heading anchor */
.anchor-h { display: inline-flex; align-items: center; gap: 8px; }
.anchor-h .hash { opacity: 0; color: var(--muted); font-weight: 400; transition: opacity .15s; }
.anchor-h:hover .hash { opacity: 1; }

/* callouts */
.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--radius-sm); margin: 18px 0; font-size: 14px; border: 1px solid; line-height: 1.6; }
.callout .ci { flex-shrink: 0; font-size: 16px; line-height: 1.5; }
.callout p { margin: 0; color: inherit; font-size: 14px; }
.callout.note { background: var(--brand-50); border-color: var(--brand-100); color: var(--ink-2); }
.callout.warn { background: rgba(217,119,6,.08); border-color: rgba(217,119,6,.28); color: var(--ink-2); }

/* code blocks: see styles.css (shared component, used on landing + docs) */

/* endpoint header */
.endpoint { margin: 30px 0 8px; }
.endpoint .ep-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; }
.method { font-family: var(--mono); font-size: 11.5px; font-weight: 700; padding: 5px 9px; border-radius: 6px; letter-spacing: .03em; color: #fff; flex-shrink: 0; }
.m-get { background: #16a34a; } .verb.m-get { background: rgba(22,163,74,.16); color: #16a34a; }
.m-post { background: #2563eb; } .verb.m-post { background: rgba(37,99,235,.16); color: #2563eb; }
.m-put { background: #d97706; } .verb.m-put { background: rgba(217,119,6,.16); color: #d97706; }
.m-patch { background: #7c3aed; } .verb.m-patch { background: rgba(124,58,237,.16); color: #7c3aed; }
.m-delete { background: #dc2626; } .verb.m-delete { background: rgba(220,38,38,.16); color: #dc2626; }
.ep-row .ep-path { font-family: var(--mono); font-size: 14px; color: var(--ink); font-weight: 600; word-break: break-all; }
.ep-summary { color: var(--muted); font-size: 14.5px; margin: 12px 0 14px; }

/* tables */
.table-wrap { overflow-x: auto; margin: 16px 0; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table.api { width: 100%; border-collapse: collapse; font-size: 14px; }
table.api th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; padding: 11px 14px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
table.api td { padding: 12px 14px; border-bottom: 1px solid var(--line-2); color: var(--ink-2); vertical-align: top; }
table.api tr:last-child td { border-bottom: none; }
table.api td code { font-family: var(--mono); font-size: 12.6px; color: var(--brand-ink); }
:root[data-theme="dark"] table.api td code { color: #9fc0ff; }
.req-badge { font-size: 11px; font-weight: 700; color: var(--red); }
.opt-badge { font-size: 11px; color: var(--muted); }
.tag-pill { font-family: var(--mono); font-size: 10.5px; color: var(--slate); background: var(--bg-3); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }

/* page nav */
.page-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line); }
.page-nav a { flex: 1; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 18px; transition: border-color .18s, background .18s; }
.page-nav a:hover { border-color: var(--brand); background: var(--bg-2); }
.page-nav .pn-label { font-size: 12px; color: var(--muted); }
.page-nav .pn-title { font-size: 15px; font-weight: 600; color: var(--ink); margin-top: 3px; }
.page-nav .pn-next { text-align: right; }

/* TOC */
.docs-toc { position: sticky; top: var(--nav-h); align-self: start; height: calc(100vh - var(--nav-h)); overflow-y: auto; padding: 38px 22px 60px; }
.docs-toc h6 { font-size: 11.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; margin-bottom: 12px; }
.docs-toc a { display: block; font-size: 13px; color: var(--muted); padding: 5px 0 5px 12px; border-left: 2px solid var(--line); line-height: 1.4; }
.docs-toc a:hover { color: var(--ink); }
.docs-toc a.active { color: var(--brand); border-left-color: var(--brand); }

/* mobile sidebar toggle */
.sb-mobile-btn { display: none; }
@media (max-width: 1200px) {
  .docs-shell { grid-template-columns: var(--sidebar-w) minmax(0,1fr); }
  .docs-toc { display: none; }
  .docs-main { padding: 38px 36px 100px; }
}
@media (max-width: 940px) {
  .docs-shell { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: fixed; top: var(--nav-h); left: 0; bottom: 0; width: 300px; z-index: 55;
    background: var(--bg); height: calc(100vh - var(--nav-h));
    transform: translateX(-105%); transition: transform .25s ease; box-shadow: var(--shadow-lg);
  }
  body.sb-open .docs-sidebar { transform: translateX(0); }
  .sb-backdrop { display: none; position: fixed; inset: var(--nav-h) 0 0 0; background: rgba(2,6,18,.45); z-index: 54; }
  body.sb-open .sb-backdrop { display: block; }
  .docs-main { padding: 24px 22px 90px; }
  .sb-mobile-btn { display: inline-flex; align-items: center; gap: 8px; font-family: inherit; font-size: 13.5px; font-weight: 600;
    color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 9px; padding: 9px 14px; cursor: pointer; margin-bottom: 18px; }
  .sb-mobile-btn svg { width: 16px; height: 16px; }
}