.pg-app{--pg-bg: #ffffff;--pg-surface: #fcfcfc;--pg-panel: #fbfbfb;--pg-border: #ececec;--pg-border-soft: #f2f2f2;--pg-text: #1c1c1c;--pg-text-muted: #5c5c5c;--pg-text-faint: #a3a3a3;--pg-hover: #f2f2f2;--pg-active: #eef2ff;--pg-code-bg: #f6f8fa;--pg-accent: #335cff;color-scheme:light}html.dark .pg-app{--pg-bg: #0e0e0e;--pg-surface: #151515;--pg-panel: #181818;--pg-border: #2a2a2a;--pg-border-soft: #222222;--pg-text: #ededed;--pg-text-muted: #a0a0a0;--pg-text-faint: #6b6b6b;--pg-hover: #1e1e1e;--pg-active: #1b2033;--pg-code-bg: #161b22;--pg-accent: #6895ff;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.pg-app{background:var(--pg-bg);color:var(--pg-text);display:flex;flex-direction:column;height:100vh;overflow:hidden}.pg-topbar{height:56px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--pg-border);background:var(--pg-bg)}.pg-topbar__left{display:flex;align-items:center;gap:10px}.pg-topbar__brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:inherit;text-decoration:none}.pg-topbar__sub{font-weight:400;color:var(--pg-text-faint);font-size:13px}.pg-topbar__right{display:flex;align-items:center;gap:12px}.pg-topbar__gh{display:inline-flex;align-items:center;color:var(--pg-text-muted)}.pg-topbar__gh:hover{color:var(--pg-text)}.pg-darktoggle{width:32px;height:32px;border:1px solid var(--pg-border);border-radius:8px;background:var(--pg-bg);color:var(--pg-text);cursor:pointer;font-size:15px}.pg-darktoggle:hover{background:var(--pg-hover)}.pg-navtoggle{display:none;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--pg-border);border-radius:8px;background:var(--pg-bg);color:var(--pg-text);cursor:pointer}.pg-shell{flex:1;display:flex;min-height:0}.pg-sidebar{width:264px;flex-shrink:0;border-right:1px solid var(--pg-border);background:var(--pg-surface);display:flex;flex-direction:column;overflow-y:auto}.pg-sidebar__search-wrap{padding:14px 14px 10px;position:sticky;top:0;background:var(--pg-surface);z-index:1}.pg-sidebar__search{width:100%;height:34px;padding:0 12px;border:1px solid var(--pg-border);border-radius:8px;background:var(--pg-bg);color:var(--pg-text);font-size:13px;outline:none}.pg-sidebar__search:focus{border-color:var(--pg-accent)}.pg-sidebar__nav{padding:4px 10px 32px}.pg-sidebar__group{margin-bottom:18px}.pg-sidebar__group-title{padding:6px 10px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--pg-text-faint)}.pg-sidebar__item{display:block;padding:6px 10px;border-radius:7px;font-size:13.5px;color:var(--pg-text-muted);text-decoration:none;line-height:1.4}.pg-sidebar__item:hover{background:var(--pg-hover);color:var(--pg-text)}.pg-sidebar__item--active{background:var(--pg-active);color:var(--pg-accent);font-weight:600}.pg-sidebar__empty{padding:8px 10px;color:var(--pg-text-faint);font-size:13px}.pg-main{flex:1;overflow-y:auto;scroll-behavior:smooth}.pg-page{max-width:1080px;margin:0 auto;padding:48px 48px 96px;display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:48px}.pg-toc{position:sticky;top:48px;align-self:start;font-size:13px;max-height:calc(100vh - 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