:root {
  --primary: #856CFF;
  --bg: #ffffff; --fg: #1a1a2e; --muted: #6b7280;
  --border: #e6e6ef; --code-bg: #f6f6fb; --sidebar-w: 270px; --toc-w: 220px;
}
[data-theme="dark"] {
  --bg: #0f1020; --fg: #e6e6f0; --muted: #9aa0b4;
  --border: #262a40; --code-bg: #16182b;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--fg); line-height: 1.6; }
.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 16px;
  padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--bg); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.brand .logo { height: 24px; }
#search { margin-left: auto; padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--code-bg); color: var(--fg); min-width: 240px; }
#theme-toggle { background: none; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; padding: 6px 10px; color: var(--fg); }
.layout { display: grid; grid-template-columns: var(--sidebar-w) minmax(0,1fr) var(--toc-w); gap: 0; max-width: 1280px; margin: 0 auto; }
#sidebar { border-right: 1px solid var(--border); padding: 20px 16px; height: calc(100vh - 57px); position: sticky; top: 57px; overflow-y: auto; }
.nav-group { margin-bottom: 18px; }
.nav-group-title { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 6px; }
#sidebar ul { list-style: none; margin: 0; padding: 0; }
#sidebar a { display: block; padding: 5px 10px; border-radius: 6px; color: var(--fg); text-decoration: none; font-size: 14px; }
#sidebar a:hover { background: var(--code-bg); }
#sidebar a.active { background: color-mix(in srgb, var(--primary) 16%, transparent); color: var(--primary); font-weight: 600; }
#content { padding: 32px 40px; min-width: 0; }
#content h1 { font-size: 30px; margin-top: 0; }
#content h2 { margin-top: 36px; border-top: 1px solid var(--border); padding-top: 20px; }
#content h3 { margin-top: 24px; }
#content a { color: var(--primary); }
#content pre { background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; position: relative; }
#content pre .copy-btn { position: absolute; top: 8px; right: 8px; font-size: 11px; font-family: ui-sans-serif, system-ui, sans-serif; padding: 3px 9px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--muted); cursor: pointer; opacity: 0; transition: opacity .15s; }
#content pre:hover .copy-btn { opacity: 1; }
#content pre .copy-btn:hover { color: var(--fg); }
#content code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
#content :not(pre) > code { background: var(--code-bg); padding: 2px 5px; border-radius: 5px; }
.badge { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 5px; color: #fff; }
.badge.get { background: #2f9e6f; } .badge.post { background: var(--primary); } .badge.delete { background: #d6455d; }
table { border-collapse: collapse; width: 100%; margin: 14px 0; }
th, td { border: 1px solid var(--border); padding: 8px 10px; text-align: left; font-size: 14px; }
th { background: var(--code-bg); }
.callout { border-left: 3px solid var(--primary); background: color-mix(in srgb, var(--primary) 8%, transparent); padding: 10px 14px; border-radius: 0 8px 8px 0; margin: 16px 0; }
.callout.warning { border-color: #d6a545; background: #fff7e6; }
#toc { border-left: 1px solid var(--border); padding: 24px 12px; font-size: 13px; height: calc(100vh - 57px); position: sticky; top: 57px; overflow-y: auto; }
.toc-title { text-transform: uppercase; font-size: 11px; letter-spacing: .06em; color: var(--muted); margin-bottom: 8px; }
#toc ul { list-style: none; margin: 0; padding: 0; }
#toc a { color: var(--muted); text-decoration: none; }
#toc .toc-h3 a { padding-left: 12px; }
#search-results { position: absolute; right: 20px; top: 56px; width: 360px; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 8px 30px rgba(0,0,0,.12); display: none; max-height: 60vh; overflow-y: auto; }
#search-results a { display: block; padding: 10px 14px; border-bottom: 1px solid var(--border); text-decoration: none; color: var(--fg); }
#search-results .sr-section { font-size: 11px; color: var(--muted); }
@media (max-width: 1100px) { .layout { grid-template-columns: var(--sidebar-w) 1fr; } #toc { display: none; } }
@media (max-width: 760px) { .layout { grid-template-columns: 1fr; } #sidebar { display: none; } }