:root{--bg:#fff;--surface:#f7f9fa;--text:#1b2c39;--muted:#647784;--line:#e6ecef;--accent:#087e93;--soft:#eaf7f9;--shadow:0 12px 40px #1b3c4714;color-scheme:light;font-family:Inter,"Segoe UI",Arial,sans-serif}
:root[data-theme=dark]{--bg:#131d25;--surface:#1b2833;--text:#e2edf4;--muted:#a2b4c1;--line:#30414e;--accent:#63d4e4;--soft:#183c47;--shadow:0 12px 40px #0006;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:15px;line-height:1.75}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,select{cursor:pointer}button{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button{border:0;background:none}input{color:var(--text)}[hidden]{display:none!important}.skip{position:fixed;top:-100px;z-index:60;background:var(--bg);padding:8px 20px}.skip:focus{top:5px}.topbar{height:76px;position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:36px;padding:0 32px;border-bottom:1px solid var(--line);background:var(--bg)}.brand{display:flex;align-items:center;gap:13px;white-space:nowrap;font-size:23px;font-weight:750;letter-spacing:-1px}.pro{font-size:17px;font-weight:400;letter-spacing:-.3px}.learn{font-size:10px;letter-spacing:1.6px;color:var(--accent);font-weight:700;border-left:1px solid var(--line);padding-left:13px}.search-open{display:flex;align-items:center;gap:10px;max-width:410px;flex:1;border:1px solid var(--line);border-radius:7px;background:var(--surface);padding:8px 13px;color:var(--muted);font-size:13px;text-align:left}.search-open>span:first-child{font-size:23px;line-height:1}.search-open kbd{margin-left:auto}.top-actions{margin-left:auto;display:flex;align-items:center;gap:14px;white-space:nowrap}.plain-button{font-size:12px;font-weight:650;color:var(--muted)}#theme{font-size:12px;max-width:135px;background:var(--bg);color:var(--muted);border:1px solid var(--line);padding:6px 8px;border-radius:5px}.layout{display:grid;grid-template-columns:246px minmax(0,1fr) 202px;max-width:1450px;margin:auto}.sidebar{position:sticky;top:76px;height:calc(100vh - 76px);display:flex;flex-direction:column;padding:27px 20px 18px 28px;border-right:1px solid var(--line);overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.eyebrow{font-size:10px;letter-spacing:1.2px;color:var(--muted);font-weight:700}.sidebar-top{margin-bottom:14px}.nav-group{margin-bottom:19px}.nav-group h2{font-size:12px;margin:0 0 5px;font-weight:700;color:var(--text)}.nav-group a{display:block;font-size:12.5px;line-height:1.55;padding:7px 10px;margin:1px 0;border-radius:5px;color:var(--muted);border-left:2px solid transparent}.nav-group a:hover{background:var(--surface);color:var(--text)}.nav-group a.active{background:var(--soft);color:var(--accent);border-left-color:var(--accent);font-weight:600}.sidebar-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:16px;display:flex;align-items:center;gap:7px;font-size:10px;color:var(--muted)}.status-dot{width:6px;height:6px;background:var(--accent);border-radius:50%}main{min-width:0;padding:40px 52px 30px;max-width:970px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:22px}.breadcrumb span{color:var(--accent)}h1{font-size:36px;font-weight:750;line-height:1.2;letter-spacing:-1.1px;margin:0 0 18px}h1:focus{outline:0}.summary{font-size:16px;color:var(--muted);line-height:1.7;margin:0 0 21px}.article-meta{font-size:11px;display:flex;gap:14px;align-items:center;color:var(--muted);padding-bottom:24px;border-bottom:1px solid var(--line)}.article-meta .pill{padding:2px 8px;color:var(--accent);background:var(--soft);border-radius:4px}.doc-section{scroll-margin-top:100px;margin-top:32px}.doc-section h2{font-size:22px;font-weight:680;letter-spacing:-.4px;line-height:1.35;margin:0 0 16px}.doc-section p{margin:0 0 16px}.doc-section ol{padding-left:25px;margin:0 0 20px}.doc-section li{padding-left:7px;margin:10px 0}.doc-section li::marker{font-weight:650;color:var(--accent)}.callout{border-left:3px solid var(--accent);background:var(--soft);padding:14px 18px;margin:20px 0;font-size:14px}kbd{font-family:inherit;font-size:10px;border:1px solid var(--line);border-radius:4px;background:var(--bg);padding:1px 5px;white-space:nowrap}figure{margin:30px 0}figure button{display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:var(--shadow);background:var(--surface)}figure img{display:block;width:100%;height:auto}figcaption{font-size:11px;color:var(--muted);margin-top:9px;line-height:1.6}.toc{position:sticky;top:76px;height:calc(100vh - 76px);padding:47px 20px 20px 6px;font-size:11.5px;overflow:auto;scrollbar-width:thin}.toc>div:first-child{font-size:10px;letter-spacing:.9px;font-weight:700;color:var(--muted);margin-bottom:14px}.toc nav{border-left:1px solid var(--line)}.toc button{display:block;text-align:left;font-size:12px;line-height:1.55;width:100%;padding:7px 0 7px 14px;color:var(--muted);border-left:2px solid transparent;margin-left:-1px}.toc button.active{color:var(--accent);border-left-color:var(--accent)}.toc-help{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted)}.toc-help span{font-weight:650;color:var(--text)}.toc-help p{margin-top:6px}.article-pagination{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}.page-link{border:1px solid var(--line);padding:14px 16px;border-radius:7px;transition:border-color .15s,transform .15s}.page-link:hover{border-color:var(--accent);transform:translateY(-2px)}.page-link small{display:block;color:var(--muted);font-size:11px}.page-link strong{font-size:13px}.page-link.next{text-align:right}.article-footer{display:flex;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted);margin-top:30px}.quick-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:26px 0}.quick-links a{border:1px solid var(--line);border-radius:7px;padding:16px;box-shadow:0 3px 12px #15354005;transition:border-color .15s}.quick-links a:hover{border-color:var(--accent)}.quick-links strong{display:block;font-size:14px;margin-bottom:4px}.quick-links small{display:block;font-size:12px;color:var(--muted);line-height:1.5}.quick-links .card-icon{color:var(--accent);display:block;margin-bottom:10px;font-size:19px}.hero-kicker{font-size:11px;color:var(--accent);font-weight:650;letter-spacing:1px;margin-bottom:16px}dialog{color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:0;box-shadow:var(--shadow)}dialog::backdrop{background:#0b1c386b;backdrop-filter:blur(3px)}#search-dialog{width:min(620px,calc(100% - 28px));max-height:80vh}.search-head{display:flex;align-items:center;justify-content:space-between;padding:17px 22px}.search-head h2{font-size:15px;margin:0}.icon-button{width:30px;height:30px;display:flex;align-items:center;justify-content:center;font-size:23px;border-radius:5px}.icon-button:hover{background:var(--surface)}#search-input{display:block;width:calc(100% - 44px);margin:0 22px;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:14px}#search-input:focus{outline:2px solid var(--accent);outline-offset:1px}#search-count{font-size:11px;margin:12px 22px;color:var(--muted)}#search-results{max-height:48vh;overflow:auto;padding:0 12px 12px;scrollbar-width:thin}.search-result{display:block;padding:12px 10px;border-bottom:1px solid var(--line);border-radius:5px}.search-result:hover{background:var(--soft)}.search-result strong{display:block;font-size:14px}.search-result small{display:block;color:var(--muted);font-size:12px}.search-foot{padding:12px 22px;background:var(--surface);border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.empty-search{padding:20px;color:var(--muted);font-size:14px}#image-dialog{width:min(1200px,calc(100% - 30px));max-height:90vh;overflow:auto}#image-close{position:sticky;top:8px;margin:8px 8px 0 auto;background:var(--bg);z-index:1}#large-image{width:100%;height:auto;display:block}.mobile-menu{display:none}.no-script{padding:40px}.article-footer a{color:var(--accent)}
@media(min-width:1500px){main{padding-inline:65px}.layout{grid-template-columns:250px minmax(0,1fr) 220px}}
@media(max-width:1120px){.layout{grid-template-columns:226px minmax(0,1fr)}.toc{display:none}main{padding-inline:35px}.sidebar{padding-left:20px}.topbar{gap:24px;padding:0 24px}}
@media(max-width:760px){.topbar{height:64px;padding:0 16px;gap:10px}.brand{font-size:19px}.pro{font-size:14px}.learn{display:none}.mobile-menu{display:flex;flex:none}.search-open{margin-left:auto;width:34px;max-width:34px;height:34px;flex:none;border:0;background:none;padding:0;justify-content:center}.search-open #search-caption,.search-open kbd{display:none}.top-actions{gap:7px;margin-left:0}#theme{max-width:95px;font-size:10px}.plain-button{font-size:11px}.layout{display:block}.sidebar{position:fixed;z-index:25;top:64px;left:0;bottom:0;width:265px;height:calc(100vh - 64px);background:var(--bg);transform:translateX(-105%);transition:transform .2s}.menu-open .sidebar{transform:translateX(0)}#scrim{position:fixed;inset:64px 0 0;background:#0d233855;z-index:24}main{padding:27px 22px;max-width:none}h1{font-size:30px}.summary{font-size:15px}.article-meta{flex-wrap:wrap;gap:8px}.quick-links{gap:10px}.quick-links a{padding:13px}.article-footer{flex-direction:column}.doc-section{scroll-margin-top:83px}}
@media(max-width:400px){.quick-links{grid-template-columns:1fr}.article-pagination{gap:8px}.page-link{padding:10px}.topbar{padding-inline:8px;gap:5px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.topbar,.sidebar,.toc,.article-pagination,.article-footer,.quick-links{display:none}.layout{display:block}main{padding:0;max-width:none}.doc-section{break-inside:avoid}body{background:white;color:black}figure{break-inside:avoid}}

.field-reference{border:1px solid var(--line);border-radius:6px;margin:12px 0;overflow:hidden}.field-reference summary{cursor:pointer;padding:12px 14px;font-size:14px;font-weight:650;background:var(--surface)}.reference-scroll{overflow:auto;scrollbar-width:thin}.field-reference table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.5;min-width:440px}.field-reference th,.field-reference td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);vertical-align:top}.field-reference th{color:var(--muted);font-size:11px;font-weight:650}.field-reference td small{display:block;font-size:10px;color:var(--muted);margin-top:3px}.field-reference tr:last-child td{border:0}