:root {
  --ink: #182321;
  --muted: #66746e;
  --line: #dce5df;
  --paper: #fbfcfa;
  --panel: #f1f5f0;
  --accent: #157a68;
  --accent-soft: #d9f0e8;
  --warm: #f6c453;
  --shadow: 0 18px 55px rgba(21, 73, 60, .08);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; background: radial-gradient(circle at 84% 5%, #e8f5ed 0, transparent 28rem), var(--paper); }
a { color: inherit; }
.topbar { height: 76px; display: flex; align-items: center; justify-content: space-between; padding: 0 5vw; border-bottom: 1px solid var(--line); background: rgba(251, 252, 250, .88); backdrop-filter: blur(14px); position: sticky; top: 0; z-index: 5; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; letter-spacing: .02em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--ink); color: #fff; border-radius: 10px 10px 10px 3px; font-weight: 800; }
.brand strong { display: block; font-size: 1.05rem; line-height: 1; }
.brand small { color: var(--accent); display: block; font-size: .58rem; font-weight: 800; letter-spacing: .16em; margin-top: 4px; }
.topbar-actions { display: flex; align-items: center; gap: 20px; }
.api-link { color: var(--accent); font-size: .84rem; text-decoration: none; font-weight: 700; }
.menu-toggle { display: none; border: 1px solid var(--line); border-radius: 6px; background: #fff; padding: 9px 12px; color: var(--ink); }
.layout { display: grid; grid-template-columns: minmax(220px, 270px) minmax(0, 760px); gap: clamp(34px, 7vw, 110px); max-width: 1260px; margin: 0 auto; padding: 52px 5vw 100px; }
.sidebar { position: sticky; top: 120px; align-self: start; max-height: calc(100vh - 150px); overflow-y: auto; }
.sidebar-intro { padding: 0 14px 30px; border-bottom: 1px solid var(--line); margin-bottom: 26px; }
.eyebrow { color: var(--accent); font-size: .68rem; letter-spacing: .15em; font-weight: 800; }
.sidebar-intro p { margin: 10px 0 0; color: var(--muted); font-size: .87rem; line-height: 1.7; }
.nav-group { margin-bottom: 28px; }
.nav-group h2 { color: var(--muted); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; margin: 0 14px 8px; }
.nav-group ul { list-style: none; padding: 0; margin: 0; }
.nav-group a { display: flex; justify-content: space-between; gap: 10px; padding: 10px 14px; color: #52615b; text-decoration: none; border-radius: 8px; font-size: .9rem; transition: background .2s, color .2s; }
.nav-group a:hover, .nav-group a.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.nav-arrow { opacity: 0; transition: opacity .2s; }
.nav-group a:hover .nav-arrow, .nav-group a.is-active .nav-arrow { opacity: 1; }
.content-wrap { min-width: 0; }
.document { animation: rise .5s ease both; }
.document-meta { display: flex; align-items: center; gap: 9px; color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 24px; }
.meta-dot { color: var(--warm); }
.markdown-body { font-size: 1rem; line-height: 1.85; }
.markdown-body h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.12; letter-spacing: -.035em; margin: 0 0 24px; max-width: 700px; }
.markdown-body h2 { font-size: 1.65rem; margin: 48px 0 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.markdown-body h3 { font-size: 1.15rem; margin: 32px 0 10px; }
.markdown-body p { color: #485750; margin: 0 0 18px; }
.markdown-body ul, .markdown-body ol { color: #485750; padding-left: 1.5rem; margin: 0 0 22px; }
.markdown-body li { padding-left: 5px; margin: 6px 0; }
.markdown-body li::marker { color: var(--accent); font-weight: 700; }
.markdown-body a { color: var(--accent); font-weight: 650; }
.markdown-body strong { color: var(--ink); }
.markdown-body code { color: #9a5b00; background: #fff5d9; border-radius: 4px; padding: .12em .38em; font-size: .9em; }
.markdown-body pre { background: #192623; border-radius: 10px; padding: 20px; overflow-x: auto; box-shadow: var(--shadow); margin: 24px 0; }
.markdown-body pre code { background: none; color: #e9f7ef; padding: 0; font-size: .88rem; }
.markdown-body blockquote { border-left: 3px solid var(--warm); background: #fffaf0; padding: 13px 18px; margin: 24px 0; color: #52615b; }
.markdown-body img { max-width: 100%; height: auto; border-radius: 10px; }
.table-scroll { overflow-x: auto; margin: 24px 0; }
.markdown-body table { width: 100%; border-collapse: collapse; min-width: 480px; font-size: .92rem; }
.markdown-body th, .markdown-body td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.markdown-body th { background: var(--panel); color: var(--ink); }
.document-footer { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); margin-top: 70px; padding-top: 20px; color: var(--muted); font-size: .76rem; }
.document-footer a { color: var(--accent); text-decoration: none; font-weight: 700; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 760px) {
  .topbar { padding: 0 20px; }
  .api-link { display: none; }
  .menu-toggle { display: block; }
  .layout { display: block; padding: 28px 20px 70px; }
  .sidebar { display: none; position: fixed; inset: 76px 0 0; z-index: 4; background: var(--paper); padding: 24px 20px; max-height: none; }
  .sidebar.is-open { display: block; }
  .sidebar-intro { padding-bottom: 20px; margin-bottom: 20px; }
  .markdown-body h1 { font-size: 2.3rem; }
  .document-footer { display: block; }
  .document-footer a { display: block; margin-top: 10px; }
}