:root{--bg:#f5f5f0;--ink:#182c29;--muted:#60736d;--line:#d8e0d8;--accent:#11634b;--panel:#fff;--serif:Georgia,'Times New Roman',serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,sans-serif}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#093f30}header{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 36px;background:#f5f5f0;position:sticky;top:0;z-index:5}.brand{font-size:24px;font-weight:800;letter-spacing:-1px;text-decoration:none;color:var(--ink)}.brand span{font-size:12px;letter-spacing:1px;border:1px solid var(--line);padding:4px 8px;margin-left:10px;vertical-align:middle}.header-links{display:flex;gap:22px;align-items:center;font-size:13px}.layout{max-width:1560px;margin:auto;display:grid;grid-template-columns:260px minmax(0,1fr)}aside{padding:28px 22px;border-right:1px solid var(--line);position:sticky;top:76px;height:calc(100vh - 76px);overflow:auto}aside p,.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;text-transform:uppercase;color:var(--muted)}nav a{display:block;padding:8px 12px;margin:4px 0;border-radius:6px;text-decoration:none;font-size:13px;color:var(--muted)}nav a[aria-current]{background:#e0ebe1;color:#154c38;font-weight:700}input{width:100%;padding:10px;border:1px solid var(--line);border-radius:5px;background:#fff;font:inherit;font-size:13px}main{padding:48px 58px 70px;min-width:0;max-width:1200px}h1{font:normal clamp(34px,4.2vw,60px)/1.1 var(--serif);letter-spacing:-1.5px;margin:16px 0 22px;max-width:860px}h2{font:normal 29px/1.25 var(--serif);margin:44px 0 18px}h3{font-size:19px}p{margin:14px 0}.lead{color:var(--muted);font-size:17px;max-width:780px}.hero-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:38px;margin:38px 0}.hero-copy{font-size:22px;line-height:1.6}.principle{padding:30px;background:#173d31;color:#e7f3d8;border-radius:10px}.principle span{font-size:10px;letter-spacing:3px}.principle h2{font:40px/1.35 var(--serif);margin:18px 0}.principle p{color:#b9cdbb;font-size:13px}.button{display:inline-block;background:var(--accent);color:white;padding:10px 17px;border-radius:5px;text-decoration:none;font-size:13px;margin:12px 6px 0 0}.button:hover{color:#fff;background:#184934}.button.secondary{background:#e1e9df;color:var(--ink)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:7px;margin:20px 0}table{width:100%;border-collapse:collapse;background:var(--panel);font-size:14px;text-align:left}th{background:#eaf0e7;font-size:11px;letter-spacing:1px;text-transform:uppercase}th,td{padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top}td:first-child{font-weight:650;min-width:145px}tr:last-child td{border-bottom:0}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.86em;background:#e7eee5;padding:2px 5px;border-radius:3px;overflow-wrap:anywhere}pre{background:#18362e;color:#dfeddf;padding:24px;border-radius:7px;overflow:auto;font-size:14px;line-height:1.7}pre code{background:transparent;color:inherit;padding:0;overflow-wrap:normal}.notice{border-left:3px solid #a4ab60;background:#eceedd;padding:20px 24px;margin:28px 0;font-size:14px}.cards{display:grid;grid-template-columns:1fr 1fr;gap:15px}.cards a{padding:24px;background:#fff;border:1px solid var(--line);border-radius:7px;text-decoration:none;color:var(--ink)}.cards p{font-size:14px;color:var(--muted);margin-bottom:0}.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.flow div{border:1px solid var(--line);background:#fff;border-radius:6px;padding:18px}.flow span{display:block;font:12px monospace;color:var(--accent);margin-bottom:12px}.flow strong{display:block;font-size:15px}.flow small{display:block;margin-top:8px;color:var(--muted);line-height:1.6}.erd{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.erd>div{background:#e5ece0;padding:20px;border-radius:7px;font-size:13px}.erd b{font-size:11px;letter-spacing:1px}.pager{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:24px;margin-top:54px;font-size:13px;gap:20px}footer{border-top:1px solid var(--line);padding:20px 0;margin-top:30px;font-size:12px;color:var(--muted)}li{margin:10px 0}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:white;padding:8px;z-index:10}a:focus-visible,input:focus-visible{outline:3px solid #b69132;outline-offset:3px}[hidden]{display:none!important}@media(max-width:1000px){main{padding:32px}.layout{grid-template-columns:220px 1fr}.hero-grid,.erd{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}}@media(max-width:700px){header{padding:0 18px;height:66px}.header-links span{display:none}.layout{display:block}aside{position:static;height:auto;padding:18px;border-right:0;border-bottom:1px solid var(--line)}nav{display:flex;gap:6px;overflow:auto;margin-top:12px}nav a{white-space:nowrap;padding:6px 10px;margin:0}aside p{display:none}main{padding:24px 18px}.cards,.flow{grid-template-columns:1fr}h1{letter-spacing:-.7px}.brand{font-size:21px}.header-links{gap:12px}.hero-copy{font-size:19px}.hero-grid{gap:18px}}@media print{header,aside,.pager,.button{display:none}.layout{display:block}main{padding:0;max-width:none}body{background:white;font-size:11pt}h1{font-size:30pt}table,.notice,pre,.flow{break-inside:avoid}pre{white-space:pre-wrap;color:black;background:#eee}a{color:inherit}.hero-grid{display:block}}

nav .nav-level-1{margin-left:12px;border-left:2px solid #b8cbbd;border-radius:0}nav .nav-level-2{margin-left:25px;font-size:12px;border-left:1px solid var(--line);border-radius:0}.breadcrumbs{font-size:13px;margin-bottom:22px}@media(max-width:700px){nav .nav-level-1,nav .nav-level-2{margin-left:0}}

.story-map{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.story-map section{padding:18px;background:#edf3e8;border:1px solid var(--line);border-radius:7px}.story-map h3{margin:0 0 14px}.story-map a{display:block;font-size:13px;margin:8px 0}.story{scroll-margin-top:95px;border-top:1px solid var(--line);margin-top:46px;padding-top:20px}.story h2{margin-top:10px}.story-trace{font-size:13px;color:var(--muted)}.story td{min-width:135px}.story td:last-child{min-width:250px}@media(max-width:700px){.story-map{grid-template-columns:1fr}}

.diagram-section{margin:35px 0}.diagram{margin:28px 0 44px;border:1px solid var(--line);border-radius:10px;background:white;overflow:hidden}.diagram figcaption{padding:22px 24px 6px}.diagram h2{margin:0 0 12px;font-size:25px}.diagram figcaption p{font-size:14px;color:var(--muted)}.diagram-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:12px 24px;border-bottom:1px solid var(--line);font-size:12px}.diagram-toolbar button{cursor:pointer;border:1px solid var(--line);background:#f1f5ee;padding:6px 12px;border-radius:4px;color:var(--ink)}.diagram-viewport{overflow:auto;max-height:800px;padding:20px;background:#fcfdfa}.diagram-viewport img{display:block;width:100%;max-width:none;height:auto}.diagram-toolbar button:focus-visible,.diagram-viewport:focus-visible{outline:3px solid #b69132;outline-offset:-3px}@media(max-width:700px){.diagram figcaption{padding:18px}.diagram-toolbar{padding:12px 18px}.diagram-viewport{padding:8px;max-height:620px}}@media print{.diagram-toolbar{display:none}.diagram-viewport{max-height:none;overflow:visible}.diagram-viewport img{width:100%!important}.diagram{break-inside:avoid}}
/* Nested disclosure tree: labels navigate; chevrons only expand/collapse. */
aside > nav{display:block;overflow:visible}
.docs-tree,.docs-tree ul{list-style:none;padding:0;margin:0}
.docs-tree li{margin:3px 0;min-width:0}
.docs-tree .tree-children{margin:2px 0 8px 12px;padding-left:10px;border-left:1px solid #bacdbe}
.tree-row{display:flex;align-items:flex-start;gap:3px;position:relative;min-width:0}
.tree-children > li > .tree-row:before{content:"";position:absolute;left:-11px;top:18px;width:10px;border-top:1px solid #bacdbe}
.docs-tree .tree-row a,.docs-tree .tree-label{display:block;flex:1;min-width:0;margin:0;padding:7px 5px;white-space:normal;line-height:1.5;font-size:13px;border-radius:5px;color:var(--muted);text-decoration:none}
.docs-tree .tree-row a[aria-current]{color:#154c38;background:#dcebdc;font-weight:700;box-shadow:inset 3px 0 #347351}
.docs-tree [data-current-path] > .tree-row > a{font-weight:650;color:#234c3a}
.tree-toggle,.tree-leaf{flex:0 0 22px;width:22px;height:30px;margin-top:2px;display:flex;align-items:center;justify-content:center}
.tree-toggle{border:0;border-radius:4px;background:transparent;color:#345a46;cursor:pointer;padding:0}
.tree-toggle:hover{background:#dce8db}.tree-toggle span{font-size:25px;line-height:1;transition:transform .15s}
.tree-toggle[aria-expanded=true] span{transform:rotate(90deg)}.tree-leaf{color:#8ca996}
.tree-actions{display:flex;gap:8px;margin:12px 0}.tree-actions button{border:1px solid var(--line);background:transparent;color:var(--muted);padding:5px 8px;border-radius:4px;font-size:11px;cursor:pointer}
.tree-toggle:focus-visible,.tree-actions button:focus-visible{outline:2px solid #b69132;outline-offset:1px}
#tree-empty{font-size:13px;letter-spacing:0;text-transform:none;font-weight:400}
.breadcrumbs{margin:0 0 24px;font-size:12px;display:block;overflow:visible}
.breadcrumbs ol{display:flex;align-items:baseline;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:5px 9px}
.breadcrumbs li{display:flex;align-items:baseline;gap:9px;margin:0;min-width:0}.breadcrumbs li+li:before{content:"/";color:#8ba08e}
.breadcrumbs a{display:inline;margin:0;padding:0;font-size:12px;border-radius:0;color:var(--accent);white-space:normal;text-decoration:underline}
.breadcrumbs [aria-current]{color:var(--ink);font-weight:600}
@media(max-width:700px){aside > nav{display:block;max-height:360px;overflow:auto;margin-top:10px}.docs-tree .tree-children{margin-left:12px}.breadcrumbs{display:block}.tree-actions{position:sticky;top:0;background:var(--bg);z-index:1;padding:4px 0}}
@media(prefers-reduced-motion:reduce){.tree-toggle span{transition:none}}
/* Documentation shell: stable left navigation, readable article, page outline. */
.layout{
 width:min(100%,1540px);margin:0 auto;padding:0 28px;
 display:grid;grid-template-columns:250px minmax(0,760px) 205px;column-gap:34px;
 justify-content:center;align-items:start;
}
#docs-sidebar{position:sticky;top:76px;height:calc(100vh - 76px);overflow-y:auto;overflow-x:hidden;padding:24px 10px 30px 0;background:transparent;border-right:1px solid var(--line);scrollbar-width:thin;scrollbar-gutter:stable}
#docs-sidebar > p{margin:0 12px 14px;font-size:11px;letter-spacing:1.2px;color:var(--muted)}
#docs-sidebar > label{display:block;margin:0 12px 5px;font-size:10px;letter-spacing:.7px}
#docs-sidebar > input{width:calc(100% - 24px);margin:0 12px;background:#fff}
#docs-sidebar > nav{display:block;margin-top:6px;overflow:visible}
.tree-actions{display:flex;position:static!important;gap:8px;margin:10px 12px 14px;background:transparent!important;padding:0!important}
.tree-actions button{border:1px solid var(--line);background:transparent;color:var(--muted);padding:5px 8px;border-radius:4px;font-size:11px;cursor:pointer}
.docs-tree,.docs-tree ul{list-style:none;margin:0;padding:0}
.docs-tree li{margin:2px 0;min-width:0}
.docs-tree .tree-children{margin:2px 0 7px 12px;padding-left:11px;border-left:1px solid var(--line)}
.tree-row{display:flex;align-items:center;gap:1px;min-width:0;min-height:34px;border-radius:4px}
.tree-row:hover{background:#edf1e9}
.tree-children > li > .tree-row:before{display:none}
.docs-tree .tree-row a,.docs-tree .tree-label{display:block;flex:1;min-width:0;margin:0;padding:7px 7px 7px 3px;font-size:13px;line-height:1.45;color:#46554c;text-decoration:none;overflow-wrap:anywhere}
.docs-tree > li.tree-group > .tree-row > a,.docs-tree > li.tree-group > .tree-row > .tree-label{font-weight:600;color:#314338}
.docs-tree > li.tree-page > .tree-row > a{font-weight:400;color:#526057}
.docs-tree .tree-toggle,.docs-tree .tree-leaf{flex:0 0 23px;width:23px;height:30px;margin:0;display:flex;align-items:center;justify-content:center}
.tree-toggle{border:0;border-radius:4px;background:transparent;color:#5f7665;cursor:pointer;padding:0}
.tree-toggle:hover{background:#dfe8dc}
.tree-toggle span{font:20px/1 Arial,sans-serif;transition:transform .12s}
.tree-toggle[aria-expanded=true] span{transform:rotate(90deg)}
.tree-leaf{font-size:0;color:#93a295}
.docs-tree .tree-row a[aria-current]{background:#e0ebde;color:#17452e;font-weight:650;border-radius:4px}
.docs-tree [data-current-path] > .tree-row > a{color:#234a32;font-weight:650}
.tree-toggle:focus-visible,.tree-actions button:focus-visible,#toc-toggle:focus-visible{outline:2px solid #957335;outline-offset:2px}
#tree-empty{font-size:13px;letter-spacing:0;text-transform:none;font-weight:400}
main#content{width:100%;max-width:760px;min-width:0;margin:0;padding:38px 0 72px;font-size:15px;line-height:1.75;color:var(--ink)}
main#content .breadcrumbs{display:block;margin:0 0 25px;font-size:12px;color:var(--muted)}
.breadcrumbs ol{display:flex;align-items:baseline;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:4px 8px}
.breadcrumbs li{display:flex;align-items:baseline;gap:8px;margin:0;min-width:0}
.breadcrumbs li+li:before{content:"/";color:#98a49a}
.breadcrumbs a{display:inline;margin:0;padding:0;font-size:12px;color:var(--accent);text-decoration:underline}
.breadcrumbs [aria-current]{color:var(--muted);font-weight:500}
main#content > .eyebrow{margin:0 0 10px;font-size:10px;letter-spacing:1.1px}
main#content h1{max-width:none;margin:0 0 14px;font:600 34px/1.2 system-ui,-apple-system,sans-serif;letter-spacing:-.7px;color:var(--ink)}
main#content > .lead{max-width:700px;margin:0 0 28px;font-size:16px;line-height:1.55;color:var(--muted)}
main#content h2{margin:38px 0 12px;font:600 23px/1.35 system-ui,-apple-system,sans-serif;letter-spacing:-.25px;color:var(--ink)}
main#content h3{margin:27px 0 9px;font:600 17px/1.4 system-ui,-apple-system,sans-serif;color:var(--ink)}
main#content p{margin:14px 0}
main#content ul,main#content ol{padding-left:24px}
main#content li{margin:7px 0}
#page-outline{position:sticky;top:98px;max-height:calc(100vh - 110px);overflow:auto;padding:14px 0 20px 15px;border-left:1px solid var(--line);scrollbar-width:thin}
#page-outline > p{margin:0 0 11px;font-size:12px;font-weight:600;letter-spacing:0;color:var(--ink);text-transform:none}
#page-outline nav{display:block;overflow:visible}
#page-outline ul{list-style:none;margin:0;padding:0}
#page-outline li{margin:2px 0}
#page-outline a{display:block;padding:5px 6px;font-size:12px;line-height:1.4;text-decoration:none;color:var(--muted);border-radius:3px}
#page-outline a:hover,#page-outline a[aria-current]{color:var(--ink);background:#e8ece6}
#page-outline li.level-3{padding-left:10px}
#toc-toggle{display:none}
.pager{display:flex;justify-content:space-between;gap:18px;margin-top:48px;padding-top:18px;border-top:1px solid var(--line);font-size:13px}
.pager a{max-width:48%}
@media(max-width:1250px){.layout{grid-template-columns:240px minmax(0,760px);column-gap:28px}#page-outline{display:none}}
@media(max-width:760px){
 header{height:60px;padding:0 16px;gap:12px}
 header .brand{font-size:21px;white-space:nowrap;flex-shrink:0}
 header .brand span{display:none}
 header .header-links{gap:10px;white-space:nowrap;font-size:12px}
 header .header-links>span{display:none}
 #toc-toggle{display:block;border:1px solid var(--line);background:transparent;padding:6px 9px;border-radius:5px;color:var(--ink);font:inherit;font-size:12px;white-space:nowrap;cursor:pointer}
 .layout{display:flex;flex-direction:column;width:100%;padding:0}
 #docs-sidebar{display:none;position:static;order:0;width:100%;height:auto;max-height:52vh;padding:15px 18px;border-right:0;border-bottom:1px solid var(--line);background:var(--bg)}
 body.toc-open #docs-sidebar{display:block}
 #docs-sidebar > p{display:block;margin-left:12px}
 #docs-sidebar > nav{max-height:none;overflow:visible}
 .docs-tree .tree-row a,.docs-tree .tree-label{font-size:14px}
 #page-outline{display:none}
 main#content{order:1;width:100%;max-width:760px;padding:25px 20px 56px}
 main#content h1{font-size:30px}
 main#content h2{font-size:21px}
}
@media print{.layout{display:block;padding:0}#docs-sidebar,#page-outline,header .header-links,#toc-toggle{display:none!important}main#content{max-width:none;padding:0}}