/* ─── Docs Layout ────────────────────────────────────────── */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - var(--nav-height));
  margin-top: var(--nav-height);
}

/* ─── Sidebar ────────────────────────────────────────────── */
.docs-sidebar {
  border-right: 1px solid var(--border);
  background: var(--white);
  position: sticky;
  top: var(--nav-height);
  height: calc(100vh - var(--nav-height));
  overflow-y: auto;
}
.docs-sidebar-inner { padding: 24px 0; }
.docs-search { padding: 0 20px 20px; border-bottom: 1px solid var(--border); }
.docs-search-input {
  width: 100%; padding: 8px 12px; border-radius: var(--r-md);
  border: 1.5px solid var(--border); font-size: 13px;
  font-family: var(--font-body); outline: none; transition: border-color 0.2s;
}
.docs-search-input:focus { border-color: var(--green-mid); }

.docs-nav { padding: 16px 0; }
.docs-nav-section { margin-bottom: 8px; }
.docs-nav-section-title {
  font-family: var(--font-display); font-size: 10px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; color: var(--muted);
  padding: 12px 20px 6px;
}
.docs-nav-link {
  display: block; padding: 7px 20px; font-size: 13px; color: var(--muted);
  transition: all 0.15s; border-left: 2px solid transparent; margin-left: -1px;
}
.docs-nav-link:hover { color: var(--ink); background: var(--sand); }
.docs-nav-link.active { color: var(--green); font-weight: 600; border-left-color: var(--green); background: var(--green-pale); }

/* ─── Main content ───────────────────────────────────────── */
.docs-main { padding: 48px 64px; max-width: 860px; }
.docs-article { display: none; }
.docs-article.active { display: block; }
.docs-breadcrumb { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.docs-h1 { font-size: 36px; font-weight: 800; letter-spacing: -1px; color: var(--ink); margin-bottom: 6px; }
.docs-h2 { font-size: 20px; font-weight: 700; color: var(--ink); margin: 32px 0 12px; letter-spacing: -0.3px; }
.docs-meta { font-size: 12px; color: var(--muted); margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.docs-p { font-size: 15px; color: var(--muted); line-height: 1.8; margin-bottom: 16px; }
.docs-ul, .docs-ol { padding-left: 20px; margin-bottom: 16px; }
.docs-ul li, .docs-ol li { font-size: 15px; color: var(--muted); line-height: 1.8; margin-bottom: 4px; }
.docs-link { color: var(--green-mid); text-decoration: underline; }
.docs-inline-code { background: var(--sand); border-radius: 4px; padding: 2px 6px; font-family: monospace; font-size: 13px; color: var(--green); border: 1px solid var(--border); }

/* ─── Callouts ───────────────────────────────────────────── */
.docs-callout { border-radius: var(--r-lg); padding: 14px 18px; font-size: 14px; line-height: 1.7; margin-bottom: 20px; border-left: 3px solid; }
.docs-callout-green  { background: var(--green-pale); border-color: var(--green); color: var(--ink); }
.docs-callout-blue   { background: var(--blue-light); border-color: var(--blue); color: var(--ink); }
.docs-callout-warning{ background: var(--gold-light); border-color: var(--gold); color: var(--ink); }

/* ─── Code blocks ────────────────────────────────────────── */
.docs-code-block {
  background: var(--ink-2); border-radius: var(--r-lg); overflow: hidden;
  margin-bottom: 20px; border: 1px solid rgba(255,255,255,0.06);
}
.dcb-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 16px; border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 11px; color: rgba(255,255,255,0.4); font-family: var(--font-display); font-weight: 600;
}
.dcb-header button {
  background: rgba(255,255,255,0.08); border: none; color: rgba(255,255,255,0.6);
  font-size: 11px; padding: 3px 10px; border-radius: var(--r-sm); cursor: pointer;
  font-family: var(--font-display); font-weight: 600; transition: all 0.2s;
}
.dcb-header button:hover { background: rgba(255,255,255,0.15); color: #fff; }
.docs-code-block pre { padding: 20px; overflow-x: auto; }
.docs-code-block code { font-family: 'Courier New', monospace; font-size: 13px; color: rgba(255,255,255,0.85); line-height: 1.7; }

/* ─── Architecture grid ──────────────────────────────────── */
.docs-arch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.docs-arch-card { background: var(--sand); border-radius: var(--r-lg); padding: 20px; border: 1px solid var(--border); }
.docs-arch-icon { font-size: 28px; margin-bottom: 10px; }
.docs-arch-card h3 { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.docs-arch-card p { font-size: 13px; color: var(--muted); line-height: 1.65; }

/* ─── Stack table ────────────────────────────────────────── */
.docs-stack-table { background: var(--white); border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--border); margin-bottom: 20px; }
.dst-row { display: grid; grid-template-columns: 1fr 1.5fr 1.5fr; padding: 10px 16px; border-bottom: 0.5px solid var(--border); font-size: 13px; align-items: center; }
.dst-row:last-child { border-bottom: none; }
.dst-header { background: var(--sand); font-family: var(--font-display); font-weight: 700; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.8px; }
.dst-row span:first-child { font-weight: 500; color: var(--ink); }
.dst-row span:last-child { color: var(--muted); }
.dst-total { background: var(--green-pale); }

/* ─── Sync flow ──────────────────────────────────────────── */
.docs-sync-flow { display: flex; flex-direction: column; gap: 0; margin-bottom: 20px; }
.dsf-step { display: flex; align-items: flex-start; gap: 14px; padding: 16px 0; border-bottom: 0.5px solid var(--border); font-size: 14px; color: var(--muted); line-height: 1.7; }
.dsf-step:last-child { border-bottom: none; }
.dsf-num { width: 28px; height: 28px; border-radius: 50%; background: var(--green-light); color: var(--green); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 12px; font-weight: 800; flex-shrink: 0; margin-top: 2px; }
.dsf-step strong { color: var(--ink); }

/* ─── API endpoints ──────────────────────────────────────── */
.api-endpoint-list { display: flex; flex-direction: column; gap: 12px; }
.api-ep { background: var(--white); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; }
.api-ep-header { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--sand); }
.api-ep-header code { font-family: monospace; font-size: 14px; color: var(--ink); }
.api-ep-desc { font-size: 13px; color: var(--muted); margin-left: auto; }
.api-method { font-family: var(--font-display); font-size: 11px; font-weight: 800; padding: 3px 10px; border-radius: var(--r-sm); }
.api-method.get  { background: var(--blue-light); color: var(--blue); }
.api-method.post { background: var(--green-light); color: var(--green); }
.api-method.put  { background: var(--gold-light); color: var(--gold); }
.api-method.delete { background: var(--red-light); color: var(--red); }
.api-ep-params { padding: 12px 16px; display: flex; flex-direction: column; gap: 6px; }
.api-param { display: flex; gap: 12px; font-size: 13px; }
.api-param code { font-family: monospace; color: var(--green); background: var(--green-pale); padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.api-param span { color: var(--muted); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: fixed; left: -260px; top: var(--nav-height); z-index: 100; transition: left 0.3s; height: calc(100vh - var(--nav-height)); width: 260px; box-shadow: var(--shadow-lg); }
  .docs-sidebar.open { left: 0; }
  .docs-main { padding: 32px 24px; }
  .docs-arch-grid { grid-template-columns: 1fr; }
}