:root{color-scheme:light;--ink:#17212b;--muted:#5d6874;--line:#d9dee4;--paper:#fff;--wash:#f5f7f9;--blue:#075fba;--blue-wash:#eaf3fb;--code:#f3f5f7;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:86px}body{margin:0;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.65}a{color:var(--blue);text-underline-offset:3px}button,input{font:inherit}.topbar{height:58px;position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:22px;padding:0 28px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.wordmark{font-size:17px;font-weight:700;letter-spacing:-.025em;color:var(--ink);text-decoration:none}.topbar .product{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:18px}.toplinks{margin-left:auto;display:flex;gap:22px;font-size:13px}.toplinks a{color:var(--muted);text-decoration:none}.toplinks a:hover{color:var(--blue)}.layout{max-width:1440px;margin:0 auto;display:grid;grid-template-columns:258px minmax(0,780px) 190px;gap:44px;padding:0 30px}.sidebar{align-self:start;position:sticky;top:58px;height:calc(100vh - 58px);overflow:auto;padding:32px 18px 30px 0;border-right:1px solid var(--line)}.search{width:100%;height:38px;padding:0 11px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);outline:none}.search:focus{border-color:var(--blue);box-shadow:0 0 0 3px #075fba20}.navgroup{margin-top:24px}.navgroup h2{margin:0 0 8px;color:#77818b;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.navgroup a{display:block;padding:5px 9px;border-radius:5px;color:#414d58;font-size:13px;text-decoration:none}.navgroup a:hover,.navgroup a.active{background:var(--blue-wash);color:var(--blue)}.content{min-width:0;padding:52px 0 100px}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase}.content h1{margin:0;font-size:38px;line-height:1.17;letter-spacing:-.035em;font-weight:700}.lead{max-width:680px;margin:16px 0 26px;color:var(--muted);font-size:17px;line-height:1.6}.meta{display:flex;flex-wrap:wrap;gap:9px 18px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--muted);font-size:12px}.meta strong{color:var(--ink);font-weight:600}.callout{margin:24px 0;padding:14px 16px;border-left:3px solid var(--blue);background:var(--wash);color:#3f4c57}.content section{padding-top:40px;scroll-margin-top:70px}.content h2{margin:0 0 14px;padding-bottom:9px;border-bottom:1px solid var(--line);font-size:24px;line-height:1.3;letter-spacing:-.025em}.content h3{margin:26px 0 7px;font-size:17px;line-height:1.4}.content p{margin:9px 0;color:#3f4a54}.content ul,.content ol{padding-left:23px;color:#3f4a54}.content li{margin:5px 0}.codebox{position:relative;margin:12px 0 18px;border:1px solid var(--line);border-radius:7px;background:var(--code);overflow:hidden}.codebox pre{margin:0;padding:18px 54px 18px 18px;overflow:auto;color:#202a33;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;tab-size:2}.copy{position:absolute;right:8px;top:8px;padding:5px 9px;border:1px solid var(--line);border-radius:5px;background:#fff;color:#42505c;font-size:12px;cursor:pointer}.copy:hover{color:var(--blue);border-color:#9abddd}.signature{display:inline-block;margin:4px 0;padding:3px 7px;border:1px solid var(--line);border-radius:4px;background:#fafbfc;color:#243342;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;overflow-wrap:anywhere}.tablewrap{overflow-x:auto;margin:14px 0}.content table{width:100%;border-collapse:collapse;font-size:13px}.content th,.content td{padding:9px 11px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.content th{color:#53606b;font-weight:650;background:#fafbfc}.toc-right{position:sticky;top:90px;align-self:start;padding-top:54px;font-size:12px}.toc-right strong{display:block;margin-bottom:8px;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.06em}.toc-right a{display:block;margin:7px 0;color:#707b85;text-decoration:none}.toc-right a:hover{color:var(--blue)}.section[hidden],.navgroup a[hidden]{display:none!important}.compat{margin-top:18px;padding:14px;border-top:1px solid var(--line);background:var(--wash);font-size:12px;color:var(--muted)}.mobile-nav{display:none}.footer{border-top:1px solid var(--line);padding:20px 28px;color:var(--muted);font-size:12px}.notice{color:#785000!important}.kbd{font:12px ui-monospace,monospace;color:#46515c}
@media(max-width:1100px){.layout{grid-template-columns:230px minmax(0,780px);gap:32px}.toc-right{display:none}}
@media(max-width:720px){.topbar{height:54px;padding:0 14px;gap:12px;overflow:hidden}.topbar .product{display:none}.toplinks{gap:14px;font-size:12px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}.toplinks::-webkit-scrollbar{display:none}.layout{display:block;padding:0 18px}.sidebar{display:none}.mobile-nav{display:block;position:sticky;top:54px;z-index:8;padding:9px 0;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.mobile-nav summary{cursor:pointer;color:var(--blue);font-size:13px;font-weight:600}.mobile-nav .navgroup{margin-top:12px}.mobile-nav[open]{max-height:55vh;overflow:auto}.content{padding:33px 0 72px}.content h1{font-size:31px}.lead{font-size:16px}.content section{padding-top:32px}.content h2{font-size:21px}.tablewrap{max-width:100%;overscroll-behavior-x:contain;border-bottom:1px solid var(--line)}.content table{min-width:680px}.content td,.content th{white-space:normal}.codebox pre{max-width:100%;overscroll-behavior-x:contain}.signature,.content p code,.content li code{overflow-wrap:anywhere;word-break:break-word}.footer{padding:18px}.meta{gap:8px 14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Documentation actions and keyboard focus */
.doc-actions{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 20px}.doc-button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:40px;padding:0 15px;border:1px solid var(--line);border-radius:6px;background:#fff;color:#263746;text-decoration:none;font-size:13px;font-weight:600;transition:border-color .16s ease,background .16s ease}.doc-button:hover{border-color:#9abddd;background:#f8fbfe}.doc-button.primary{border-color:#075fba;background:#075fba;color:#fff}.doc-button.primary:hover{background:#064f9b}.doc-button span{font-size:11px;font-weight:500;opacity:.75}.doc-button.quiet{background:transparent}.search-status{min-height:18px;margin:6px 0 0;color:var(--muted);font-size:11px}.toplinks a[aria-current=page]{color:var(--blue);font-weight:650}.copy:focus-visible,.doc-button:focus-visible,.toplinks a:focus-visible,.navgroup a:focus-visible{outline:3px solid #075fba55;outline-offset:2px}
@media(max-width:720px){.doc-actions{display:grid;grid-template-columns:1fr}.doc-button{width:100%;min-height:44px}}

/* API handbook: restrained, reference-first documentation layout */
:root{--blue:#0969b8;--blue-wash:#f0f6fb;--line:#dfe3e8;--wash:#f6f7f8}
.topbar{height:62px;padding-inline:max(24px,calc((100vw - 1380px)/2));gap:24px}
.wordmark{font-size:18px;letter-spacing:-.035em}
.topbar .product{font-size:12px;letter-spacing:.015em}
.layout{max-width:1480px;grid-template-columns:250px minmax(0,820px) 170px;gap:42px;padding-inline:32px}
.sidebar{top:62px;height:calc(100vh - 62px);padding-top:26px}
.content{padding-top:42px}
.doc-kicker{margin:0 0 12px!important;color:#65727f!important;font-size:12px!important;font-weight:600;letter-spacing:.045em}
.doc-kicker span{padding:0 7px;color:#a0a8af}
.content h1{font-size:clamp(36px,4.2vw,52px);line-height:1.12;letter-spacing:-.045em;font-weight:680}
.desktop-break{display:none}
.lead{max-width:690px;margin:18px 0 22px;font-size:17px;line-height:1.75}
.doc-actions{margin:20px 0 24px}
.doc-button{min-height:42px;border-radius:7px}
.doc-button.primary{background:#0868b5;border-color:#0868b5}
.meta{gap:9px 22px;padding:15px 0;font-size:12px}
.doc-intro-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:26px 0 4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.doc-intro-card{position:relative;display:flex;min-height:144px;flex-direction:column;align-items:flex-start;padding:17px 20px 20px 0;color:var(--ink);text-decoration:none}
.doc-intro-card+.doc-intro-card{border-left:1px solid var(--line);padding-left:20px}
.doc-intro-card:hover strong,.api-domain-grid a:hover strong{color:var(--blue)}
.doc-intro-card .card-index,.api-domain-grid a>span{margin-bottom:12px;color:#77828c;font:11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace}
.doc-intro-card strong{font-size:15px;letter-spacing:-.01em}
.doc-intro-card>span:nth-last-child(2){max-width:210px;margin-top:5px;color:var(--muted);font-size:12px;line-height:1.55}
.doc-intro-card .card-arrow{position:absolute;right:12px;bottom:18px;color:#77828c;font-size:18px;transition:transform .16s ease}
.doc-intro-card:hover .card-arrow{transform:translateX(3px);color:var(--blue)}
.api-domain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:22px 0 30px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.api-domain-grid a{display:flex;min-height:116px;flex-direction:column;align-items:flex-start;padding:15px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}
.api-domain-grid a>span{margin-bottom:10px}
.api-domain-grid strong{font-size:14px;font-weight:650;transition:color .16s ease}
.api-domain-grid small{margin-top:4px;color:var(--muted);font-size:11px;line-height:1.5}
.content section{padding-top:43px}
.content h2{font-size:25px;letter-spacing:-.03em}
.content h3{font-size:17px;letter-spacing:-.012em}
.callout{border-left-width:2px;border-radius:0;background:#f5f7f8}
.callout strong{color:#263746}
.callout.subtle{border-left-color:#8b98a4;background:#f7f8f9}
.status-list{margin:20px 0 25px;border-top:1px solid var(--line)}
.status-list>div{display:grid;grid-template-columns:15px 165px minmax(0,1fr);gap:10px;align-items:baseline;padding:13px 0;border-bottom:1px solid var(--line)}
.status-list strong{font-size:13px}
.status-list p{margin:0;font-size:12px}
.status-mark{font-size:11px}.status-mark.available{color:#21834a}.status-mark.limited{color:#b47913}.status-mark.unavailable{color:#a34b4b}
.codebox{border-radius:8px;border-color:#e1e4e8;background:#f6f7f8}
.codebox pre{font-size:12.5px;line-height:1.7}
.copy{border-radius:6px}
.content th{background:#f6f7f8}
.navgroup a{padding:6px 9px}
.compat{border-radius:7px}
.mobile-nav{top:62px}
@media(max-width:1100px){.layout{grid-template-columns:225px minmax(0,820px);gap:30px;padding-inline:24px}}
@media(max-width:720px){
  .topbar{height:54px;padding:0 14px;gap:12px}
  .mobile-nav{top:54px}
  .layout{padding-inline:18px}
  .content{padding-top:29px}
  .content h1{font-size:36px;line-height:1.16}
  .lead{font-size:15px;line-height:1.7}
  .doc-intro-grid{grid-template-columns:1fr;margin-top:21px}
  .doc-intro-card{min-height:auto;padding:14px 34px 14px 0}
  .doc-intro-card+.doc-intro-card{border-left:0;border-top:1px solid var(--line);padding-left:0}
  .doc-intro-card .card-index{margin-bottom:5px}
  .doc-intro-card>span:nth-last-child(2){max-width:none}
  .doc-intro-card .card-arrow{right:3px;bottom:23px}
  .api-domain-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .api-domain-grid a{min-height:112px;padding:13px 12px}
  .status-list>div{grid-template-columns:14px minmax(0,1fr);gap:5px 9px}
  .status-list p{grid-column:2}
  .content section{padding-top:34px}
  .content h2{font-size:22px}
}
@media(prefers-reduced-motion:reduce){.doc-intro-card .card-arrow{transition:none}}

/* Developer documentation landing page */
.docs-home{max-width:980px}.docs-home .lead{max-width:720px}.docs-home .content h2{margin-top:34px}.docs-home .doc-intro-card{min-height:158px}.docs-home .step-list{margin:20px 0 0;padding:0;list-style:none;border-top:1px solid var(--line)}.docs-home .step-list li{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:18px 0;border-bottom:1px solid var(--line)}.docs-home .step-number{color:var(--blue);font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}.docs-home .step-list strong{display:block;color:var(--ink);font-size:15px}.docs-home .step-list p{margin:4px 0 0;font-size:13px}.docs-home .api-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px;border-top:1px solid var(--line)}.docs-home .api-index a{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none}.docs-home .api-index a:hover{color:var(--blue)}.docs-home .api-index span{color:var(--muted);font-size:12px}.docs-home .callout{margin-top:28px}.docs-home .doc-actions{margin-top:26px}.docs-home .toc-right .related-label{margin-top:24px}
@media(max-width:640px){.docs-home .api-index{grid-template-columns:1fr}.docs-home .step-list li{grid-template-columns:30px minmax(0,1fr);gap:10px}}