:root{--bg:#fff;--bg-subtle:#f6f7f9;--bg-raised:#fff;--text:#0f172a;--text-muted:#516077;--border:#e3e7ee;--accent:var(--brand-primary,#006eea);--accent-contrast:var(--brand-primary-contrast,#fff);--accent-soft:color-mix(in srgb, var(--accent) 10%, transparent);--radius:10px;--topbar:60px;--sidebar:264px;--font:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;--mono:ui-monospace, "SFMono-Regular", Menlo, monospace;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#0d1117;--bg-subtle:#151b23;--bg-raised:#1a212b;--text:#e6edf3;--text-muted:#9aa7b6;--border:#2a323d;--accent:color-mix(in srgb, var(--brand-primary,#006eea) 70%, #fff);--accent-soft:color-mix(in srgb, var(--accent) 16%, transparent);color-scheme:dark}.brand img{filter:invert()hue-rotate(180deg)}}*{box-sizing:border-box}html{scroll-padding-top:calc(var(--topbar) + 16px)}body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.65}a{color:var(--accent)}svg{fill:none;stroke:currentColor;stroke-width:2px;stroke-linecap:round;width:18px;height:18px}.skip-link{position:absolute;left:-999px}.skip-link:focus{z-index:100;top:8px;left:16px}.topbar{z-index:20;height:var(--topbar);background:color-mix(in srgb, var(--bg) 88%, transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);align-items:center;gap:16px;padding:0 20px;display:flex;position:sticky;top:0}.brand{color:var(--text);flex-shrink:0;align-items:center;gap:10px;text-decoration:none;display:flex}.brand img{width:auto;height:26px}.brand-label{color:var(--text-muted);border-left:1px solid var(--border);padding-left:10px;font-weight:600}.search-trigger{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-subtle);max-width:420px;color:var(--text-muted);font:inherit;cursor:pointer;flex:1;align-items:center;gap:8px;margin-left:auto;padding:8px 12px;font-size:14px;display:flex}.search-trigger kbd{font-family:var(--mono);margin-left:auto;font-size:12px}.topbar-actions{align-items:center;gap:12px;margin-left:auto;display:flex}.primary-button{border-radius:var(--radius);background:var(--brand-primary,#006eea);color:var(--accent-contrast);font:inherit;cursor:pointer;border:0;padding:8px 14px;font-size:14px;font-weight:600}.primary-button:disabled{opacity:.6;cursor:progress}.login-link{color:var(--text-muted);white-space:nowrap;font-size:14px;text-decoration:none}.icon-button{border:1px solid var(--border);min-width:32px;height:32px;color:var(--text-muted);font:inherit;cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;padding:0 8px;font-size:13px;display:inline-flex}.menu-toggle{display:none}.shell{grid-template-columns:var(--sidebar) minmax(0, 1fr);max-width:1440px;margin:0 auto;display:grid}.sidebar{top:var(--topbar);height:calc(100vh - var(--topbar));border-right:1px solid var(--border);padding:24px 16px 48px 20px;position:sticky;overflow-y:auto}.sidebar-section+.sidebar-section{margin-top:20px}.sidebar h2{letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted);margin:0 0 6px;padding:0 10px;font-size:12px;font-weight:700}.sidebar ul{margin:0;padding:0;list-style:none}.sidebar a{color:var(--text);border-radius:8px;padding:5px 10px;font-size:14.5px;text-decoration:none;display:block}.sidebar a:hover{background:var(--bg-subtle)}.sidebar a[aria-current=page]{background:var(--accent-soft);color:var(--accent);font-weight:600}.main{min-width:0}.page{grid-template-columns:minmax(0,760px) 220px;gap:48px;padding:40px 40px 80px;display:grid}.article{min-width:0}.eyebrow{color:var(--accent);margin:0 0 4px;font-size:13px;font-weight:600}.prose h1{letter-spacing:-.02em;margin:0 0 16px;font-size:2.1rem;line-height:1.2}.prose h2{margin:2.2em 0 .6em;font-size:1.45rem;line-height:1.3}.prose h3{margin:1.8em 0 .5em;font-size:1.15rem}.prose img{border:1px solid var(--border);border-radius:var(--radius);max-width:100%;height:auto}.prose figure{margin:24px 0}.prose figcaption{color:var(--text-muted);font-size:14px}.prose code{font-family:var(--mono);background:var(--bg-subtle);border-radius:5px;padding:1px 5px;font-size:.9em}.prose table{border-collapse:collapse;width:100%;font-size:15px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:8px 12px}.prose th{background:var(--bg-subtle)}.hint{border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:6px;margin:20px 0;padding:12px 16px}.hint>:first-child{margin-top:0}.hint>:last-child{margin-bottom:0}.hint-warning{background:#d977061f;border-color:#d97706}.hint-danger{background:#dc26261f;border-color:#dc2626}.hint-success{background:#16a34a1f;border-color:#16a34a}.help-cards{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:20px 0;display:grid}.help-card{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--bg-raised);gap:12px;padding:16px;text-decoration:none;display:flex}.help-card:hover{border-color:var(--accent)}.help-card-body{flex-direction:column;display:flex}.help-card-description{color:var(--text-muted);font-size:14px}.page-actions{border-top:1px solid var(--border);flex-wrap:wrap;gap:16px;margin-top:48px;padding-top:16px;font-size:14px;display:flex}.page-actions a,.page-actions button{color:var(--text-muted);font:inherit;cursor:pointer;background:0 0;border:0;padding:0}.pager{grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;display:grid}.pager-link{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);flex-direction:column;padding:12px 16px;text-decoration:none;display:flex}.pager-link span{color:var(--text-muted);font-size:13px}.pager-next{text-align:right}.toc[hidden]{display:none}.toc{top:calc(var(--topbar) + 40px);align-self:start;font-size:14px;position:sticky}.toc h2{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:0 0 8px;font-size:12px}.toc ul{border-left:1px solid var(--border);margin:0;padding:0;list-style:none}.toc a{color:var(--text-muted);padding:3px 12px;text-decoration:none;display:block}.toc a:hover{color:var(--accent)}.toc-depth-3 a{padding-left:24px}.footer{border-top:1px solid var(--border);color:var(--text-muted);flex-wrap:wrap;justify-content:space-between;gap:16px;margin-bottom:72px;padding:24px 40px;font-size:14px;display:flex}.footer div{flex-wrap:wrap;gap:8px 16px;display:flex}.search-dialog{border:1px solid var(--border);background:var(--bg-raised);width:min(640px,100vw - 32px);max-height:min(70vh,640px);color:var(--text);border-radius:14px;margin:10vh auto 0;padding:0;box-shadow:0 24px 60px #00000040}.search-dialog::backdrop{background:#0f172a73}.search-form{border-bottom:1px solid var(--border);align-items:center;gap:10px;padding:12px 16px;display:flex}.search-form input{color:var(--text);font:inherit;background:0 0;border:0;outline:0;flex:1;font-size:17px}.search-results{max-height:calc(min(70vh,640px) - 120px);margin:0;padding:8px;list-style:none;overflow-y:auto}.search-results a{color:var(--text);border-radius:8px;flex-direction:column;padding:10px 12px;text-decoration:none;display:flex}.search-results a:hover,.search-results a:focus{background:var(--accent-soft);outline:none}.search-results span{color:var(--text-muted);font-size:13.5px}.search-empty{color:var(--text-muted);padding:0 20px}.search-ask{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:0;margin:0 16px 16px;padding:0}.account{align-items:center;gap:10px;font-size:14px;display:flex}.account[hidden],.login-link[hidden]{display:none}.account-email{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;max-width:220px;overflow:hidden}.account-logout{border:1px solid var(--border);color:var(--text);font:inherit;cursor:pointer;background:0 0;border-radius:8px;padding:6px 10px}.login-link{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:7px 14px;font-weight:600}.loading{color:var(--text-muted)}.chat-bubble{z-index:40;flex-direction:column;align-items:flex-end;gap:12px;display:flex;position:fixed;bottom:20px;right:20px}.chat-launcher{background:var(--brand-primary,#006eea);min-width:52px;height:52px;color:var(--accent-contrast);font:inherit;cursor:pointer;border:0;border-radius:26px;justify-content:center;align-items:center;padding:0 20px;font-size:16px;font-weight:600;transition:transform .15s,box-shadow .15s;display:inline-flex;box-shadow:0 10px 30px #0f172a4d}.chat-launcher:hover{transform:translateY(-2px);box-shadow:0 14px 36px #0f172a59}.chat-launcher svg{width:22px;height:22px}.chat-launcher-open{align-items:center;gap:8px;display:inline-flex}.chat-launcher-close,.chat-bubble.is-open .chat-launcher-open{display:none}.chat-bubble.is-open .chat-launcher{padding:0 14px}.chat-bubble.is-open .chat-launcher-close{display:block}.chat-window{border:1px solid var(--border);background:var(--bg-raised);border-radius:16px;flex-direction:column;width:min(400px,100vw - 32px);height:min(600px,100vh - 120px);display:flex;overflow:hidden;box-shadow:0 24px 60px #0f172a38}.chat-window[hidden]{display:none}.chat-header{background:var(--brand-primary,#006eea);color:var(--accent-contrast);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.chat-header div{gap:6px;display:flex}.chat-header .icon-button{border-color:color-mix(in srgb, var(--accent-contrast) 40%, transparent);color:var(--accent-contrast)}.chat-messages{flex-direction:column;flex:1;gap:10px;padding:16px;display:flex;overflow-y:auto}.chat-intro{background:var(--bg-subtle);color:var(--text-muted);border-radius:12px;margin:0;padding:10px 14px;font-size:14.5px}.chat-intro[hidden]{display:none}.chat-message{border-radius:14px;max-width:88%;padding:9px 13px;font-size:14.5px;line-height:1.55}.chat-message>:first-child{margin-top:0}.chat-message>:last-child{margin-bottom:0}.chat-message p{margin:.4em 0}.chat-message ul,.chat-message ol{margin:.4em 0;padding-left:18px}.chat-user{background:var(--brand-primary,#006eea);color:var(--accent-contrast);white-space:pre-wrap;border-bottom-right-radius:4px;align-self:flex-end}.chat-assistant{background:var(--bg-subtle);border-bottom-left-radius:4px;align-self:flex-start}.chat-assistant.is-pending{color:var(--text-muted)}.chat-error{color:#dc2626}.chat-sources{align-self:flex-start;margin:-4px 0 0;padding-left:18px;font-size:13px}.chat-form{border-top:1px solid var(--border);align-items:flex-end;gap:8px;padding:10px 12px;display:flex}.chat-form textarea{resize:none;border:1px solid var(--border);background:var(--bg);max-height:140px;color:var(--text);font:inherit;border-radius:12px;flex:1;padding:9px 12px;font-size:15px}.chat-send{background:var(--brand-primary,#006eea);width:40px;height:40px;color:var(--accent-contrast);cursor:pointer;border:0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.chat-send:disabled{opacity:.5;cursor:progress}@media (width<=600px){.chat-bubble{bottom:12px;right:12px}.chat-bubble.is-open{gap:0;inset:0}.chat-bubble.is-open .chat-window{border:0;border-radius:0;width:100vw;height:100dvh}.chat-bubble.is-open .chat-launcher{display:none}}@media (width<=1180px){.page{grid-template-columns:minmax(0,1fr)}.toc{display:none}}@media (width<=900px){.shell{grid-template-columns:minmax(0,1fr)}.menu-toggle{display:inline-flex}.sidebar{inset:var(--topbar) auto 0 0;z-index:25;background:var(--bg);width:min(320px,85vw);transition:transform .2s;position:fixed;transform:translate(-100%)}.sidebar.is-open{transform:none}.page{padding:24px 16px 64px}.brand-label,.account-email,.search-trigger span,.search-trigger kbd{display:none}.search-trigger{flex:0;margin-left:auto}.topbar{gap:10px;padding:0 12px}.footer{padding:24px 16px}}