:root{color-scheme:light;--blue:#1769e0;--ink:#172033;--muted:#667085;--line:#e4e7ec;--soft:#f7f9fc;--surface:#fff;--code:#101828;--ai-bg:#f3f7ff;--ai-line:#8bb8f2}.dark{color-scheme:dark;--blue:#75aaff;--ink:#eef4ff;--muted:#a7b2c5;--line:#303a4d;--soft:#182131;--surface:#101722;--code:#070b12;--ai-bg:#15243a;--ai-line:#568bd0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:15px/1.65 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--surface)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.topbar{height:64px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(12px);z-index:10}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.brand-mark{display:block;width:32px;height:32px;flex:0 0 32px}.brand-logo{display:block;width:32px;height:32px;object-fit:contain;border-radius:0}.brand-logo-dark{display:none}.dark .brand-logo-light{display:none}.dark .brand-logo-dark{display:block}.brand-copy{display:flex;flex-direction:column;line-height:1}.brand-copy strong{color:var(--blue);font-size:15px;font-weight:800;letter-spacing:-.02em}.dark .brand-copy strong{color:var(--ink)}.brand-copy small{margin-top:3px;color:var(--muted);font-size:10px;font-weight:650;letter-spacing:.14em;text-transform:uppercase}.topbar nav{display:flex;gap:24px}.topbar nav a,.platforms a{color:var(--muted);text-decoration:none}.topbar nav a:hover,.topbar nav a[aria-current=page],.platforms a:hover,.platforms a[aria-current=page]{color:var(--blue)}.preferences{display:flex;gap:8px;align-items:center}.preferences select,.preferences button{height:36px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit}.preferences select{padding:0 9px}.preferences button{width:36px;cursor:pointer}.platforms{display:flex;justify-content:center;gap:8px;padding:12px 24px;border-bottom:1px solid var(--line);overflow:auto;background:var(--surface)}.platforms a{padding:5px 11px;border-radius:7px;white-space:nowrap}.platforms a[aria-current=page]{background:var(--ai-bg)}.layout{display:grid;grid-template-columns:280px minmax(0,1fr);max-width:1440px;margin:0 auto}aside{height:calc(100vh - 109px);position:sticky;top:109px;padding:24px 18px;border-right:1px solid var(--line);overflow:auto}aside label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:7px;text-transform:uppercase;letter-spacing:.04em}aside input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font:inherit;outline:none}aside input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1769e018}#api-navigation{display:flex;flex-direction:column;gap:2px;margin-top:15px}#api-navigation a{color:var(--muted);text-decoration:none;padding:6px 9px;border-radius:6px;line-height:1.35;overflow-wrap:anywhere}#api-navigation a:hover,#api-navigation a[aria-current=page]{background:var(--ai-bg);color:var(--blue)}main{width:100%;max-width:1020px;padding:34px 56px 64px}.breadcrumb{display:flex;gap:8px;color:var(--muted);font-size:13px;margin-bottom:26px}.breadcrumb a{color:var(--blue);text-decoration:none}article{min-width:0}h1{font-size:36px;line-height:1.2;margin:0 0 24px;letter-spacing:-.025em}h2{font-size:26px;line-height:1.3;margin:46px 0 16px;padding-top:10px;border-top:1px solid var(--line)}h3{font-size:20px;margin:32px 0 12px}h4{font-size:16px;margin:24px 0 10px}h5,h6{font-size:14px;margin:20px 0 8px}.anchor{opacity:0;margin-left:8px;color:var(--blue);text-decoration:none;font-weight:400}h1:hover .anchor,h2:hover .anchor,h3:hover .anchor,h4:hover .anchor{opacity:1}p{margin:10px 0 16px}a{color:var(--blue)}code{font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--soft);padding:2px 5px;border-radius:5px;overflow-wrap:anywhere}pre{margin:14px 0 22px;padding:17px 19px;background:var(--code);color:#e6edf7;border-radius:10px;overflow:auto}pre code{background:transparent;color:inherit;padding:0;overflow-wrap:normal;white-space:pre}.table-wrap{overflow:auto;margin:14px 0 24px;border:1px solid var(--line);border-radius:9px}table{width:100%;border-collapse:collapse;min-width:600px}th,td{text-align:left;vertical-align:top;padding:10px 13px;border-bottom:1px solid var(--line)}th{font-size:12px;text-transform:uppercase;letter-spacing:.035em;background:var(--soft);color:var(--muted)}tr:last-child td{border-bottom:0}blockquote{margin:16px 0;padding:13px 17px;border-left:3px solid var(--blue);background:var(--ai-bg);color:var(--ink)}img{max-width:100%;height:auto;border-radius:9px}hr{border:0;border-top:1px solid var(--line);margin:32px 0}ul,ol{padding-left:24px}footer{color:var(--muted);border-top:1px solid var(--line);margin-top:54px;padding-top:24px;font-size:13px}.ai-explanation{margin:8px 0 16px;padding:5px 0 5px 13px;border-left:2px solid var(--ai-line)}.ai-explanation p{margin:3px 0 0;color:var(--muted);font-size:14px}.ai-label{display:flex;align-items:center;gap:6px;color:var(--blue);font-size:11px;font-weight:750;letter-spacing:.03em}.merged-guide{scroll-margin-top:120px;margin-top:48px;padding-top:4px}.merged-guide li{margin:8px 0}.api-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:26px 0}.api-card{display:flex;flex-direction:column;padding:20px;border:1px solid var(--line);border-radius:12px;background:var(--surface);text-decoration:none;transition:.15s}.api-card:hover{border-color:var(--ai-line);box-shadow:0 8px 24px #10182810}.api-card span{font-size:20px;font-weight:750;color:var(--ink)}.api-card strong{font-size:13px;color:var(--blue);margin-top:5px}.api-card small{color:var(--muted);margin-top:13px}.overview-kicker{margin:10px 0 8px;color:var(--blue);font-size:12px;font-weight:750;letter-spacing:.08em;text-transform:uppercase}.overview-lead{max-width:800px;color:var(--ink);font-size:19px;line-height:1.7}.overview-grid .api-card span{font-size:16px}.overview-grid .api-card small{font-size:14px;line-height:1.55}.workflow li{margin:10px 0;padding-left:5px}.next-links{display:flex;flex-wrap:wrap;gap:10px}.next-links a{padding:9px 13px;border:1px solid var(--line);border-radius:8px;text-decoration:none;font-weight:650}.next-links a:hover{border-color:var(--blue);background:var(--ai-bg)}@media(max-width:900px){.topnav{display:none}}@media(max-width:800px){.topbar{padding:0 18px}.brand-subtitle{display:none}.platforms{justify-content:flex-start}.layout{display:block}aside{position:relative;top:0;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:16px 18px}#api-navigation{max-height:220px;overflow:auto}main{padding:28px 20px 50px}h1{font-size:30px}h2{font-size:23px}.api-grid{grid-template-columns:1fr}}
[hidden]{display:none!important}
.code-sample{position:relative}
.code-copy{position:absolute;z-index:2;top:8px;right:8px;padding:5px 9px;border:1px solid #ffffff2e;border-radius:6px;background:#172033;color:#dfe7f3;font:650 11px/1.3 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;cursor:pointer}
.code-copy:hover,.code-copy:focus-visible{background:#243149;color:#fff}
.code-sample.is-localized pre{padding-top:43px}
.layout.has-ai-rail{grid-template-columns:260px minmax(0,1fr) 292px;max-width:1680px}
.preferences{position:relative}
.preferences>button{display:inline-grid;width:36px;height:36px;padding:0;place-items:center;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--muted);font:inherit;cursor:pointer;transition:color .15s,background .15s,border-color .15s}
.preferences>button:hover,.locale-trigger:hover{background:var(--soft);color:var(--ink)}
.locale-switcher{position:relative}
.locale-trigger{display:inline-flex;height:36px;min-width:58px;align-items:center;justify-content:center;gap:6px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--muted);font:600 14px/1 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;cursor:pointer;transition:color .15s,background .15s,border-color .15s}
.locale-trigger>svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.locale-trigger:focus-visible,.preferences>button:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.locale-menu{position:absolute;z-index:50;top:calc(100% + 8px);right:0;width:160px;margin:0;padding:4px;border:1px solid var(--line);border-radius:12px;background:var(--surface);box-shadow:0 12px 32px #10182820;list-style:none}
.locale-menu li{margin:0;padding:0}
.locale-menu button{display:flex;width:100%;height:auto;align-items:center;justify-content:space-between;padding:8px 12px;border:0;border-radius:8px;background:transparent;color:var(--muted);font:400 14px/1.4 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-align:left;cursor:pointer;transition:color .15s,background .15s}
.locale-menu button:hover,.locale-menu button:focus-visible{background:var(--soft);color:var(--ink);outline:none}
.locale-menu button[aria-selected=true]{background:var(--ai-bg);color:var(--ink);font-weight:650}
.locale-check{display:none;width:14px;height:14px;fill:none;stroke:var(--blue);stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.locale-menu button[aria-selected=true] .locale-check{display:block}
.reference-nav{border-right:1px solid var(--line)}
.ai-rail{height:calc(100vh - 109px);position:sticky;top:109px;padding:24px 16px 18px;border-left:1px solid var(--line);border-right:0;overflow:hidden;background:var(--surface)}
.ai-rail-heading{display:flex;align-items:center;gap:10px;padding:0 3px 14px;border-bottom:1px solid var(--line)}
.ai-rail-heading>span:last-child{display:flex;min-width:0;flex-direction:column}
.ai-rail-heading strong{font-size:13px;line-height:1.3}
.ai-rail-heading small{margin-top:2px;color:var(--muted);font-size:11px;line-height:1.35}
.ai-thread-list{height:calc(100% - 58px);padding:14px 3px 32px;overflow-y:auto;scrollbar-width:thin}
.ai-note-anchor{display:block;height:0;scroll-margin-top:128px}
article :is(h1,h2,h3,h4)[id]{scroll-margin-top:128px}
article :is(h1,h2,h3,h4).is-ai-target{background:var(--ai-bg);box-shadow:0 0 0 7px var(--ai-bg),inset 3px 0 0 var(--blue);transition:background .2s,box-shadow .2s}
.ai-target-badge{display:inline-flex;margin-left:10px;padding:3px 7px;border:1px solid var(--ai-line);border-radius:999px;background:var(--surface);color:var(--blue);font:700 10px/1.3 Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:.02em;vertical-align:middle;white-space:nowrap;animation:ai-target-in .24s ease-out}
@keyframes ai-target-in{from{opacity:0;transform:translateX(7px)}to{opacity:1;transform:translateX(0)}}
.ai-explanation{height:auto;position:static;top:auto;margin:0 0 12px;padding:12px 13px;border:1px solid var(--line);border-radius:10px;background:var(--surface);box-shadow:0 3px 12px #1018280a;overflow:visible;transition:border-color .15s,box-shadow .15s,background .15s}
.ai-explanation.is-active{border-color:var(--ai-line);background:var(--ai-bg);box-shadow:0 6px 18px #1769e014}
.ai-label{width:100%;padding:0;border:0;background:transparent;color:var(--ink);font:inherit;text-align:left;text-transform:none;cursor:pointer}
.ai-label:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.ai-label>span:last-child{color:var(--blue);font-size:11px;font-weight:750;letter-spacing:.02em}
.ai-avatar{display:inline-grid;width:24px;height:24px;flex:0 0 24px;place-items:center;border-radius:50%;background:var(--ai-bg);color:var(--blue);font-size:12px;box-shadow:inset 0 0 0 1px var(--ai-line)}
.ai-explanation p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.55;overflow-wrap:anywhere}
.ai-explanation.is-collapsible:not(.is-expanded) p{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3}
.ai-toggle{margin:8px 0 0;padding:0;border:0;background:transparent;color:var(--blue);font:inherit;font-size:12px;font-weight:700;cursor:pointer}
main{max-width:none;padding-left:48px;padding-right:48px}
@media(max-width:1180px){.layout.has-ai-rail{grid-template-columns:250px minmax(0,1fr);max-width:1440px}.ai-rail{display:none!important}.ai-explanation{margin:12px 0 18px;background:var(--ai-bg)}main{padding-left:40px;padding-right:40px}}
@media(max-width:800px){.layout{display:block}.reference-nav{position:relative;top:0;height:auto;border-right:0;border-bottom:1px solid var(--line)}main{padding:28px 20px 50px}.ai-explanation{padding:11px 12px}}
@media(prefers-reduced-motion:reduce){.ai-target-badge{animation:none}}