:root{--blue:#326ce5;--blue-dark:#2859c0;--navy:#1a2b4c;--text:#212529;--muted:#6c757d;--border:#dee2e6;--bg:#fff;--bg-soft:#f7f8fa;--code-bg:#f4f5f7;--link:#326ce5;--nav-h:56px;--sidebar-w:270px;--toc-w:250px;--font:"Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--mono:"Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html{scroll-padding-top:calc(var(--nav-h) + 16px)}body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}.navbar{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;gap:28px;padding:0 24px;background:var(--blue);color:#fff}.navbar a{color:#fff}.brand{display:flex;align-items:center;gap:10px;font-weight:500;font-size:18px}.brand:hover{text-decoration:none}.topnav{display:flex;gap:22px;font-size:15px}.topnav a{opacity:.85;padding:4px 0;border-bottom:2px solid transparent}.topnav a:hover,.topnav a.active{opacity:1;text-decoration:none;border-bottom-color:#fff}.nav-toggle{display:none;background:0 0;border:0;color:#fff;cursor:pointer;padding:4px;margin-left:-8px}.search{margin-left:auto;position:relative;width:260px}.search input{width:100%;height:34px;padding:0 12px;border:0;border-radius:4px;font:inherit;font-size:14px;color:var(--text);background:rgba(255,255,255,.95)}.search input:focus{outline:2px solid #fff;outline-offset:1px}#search-results{position:absolute;top:40px;right:0;width:380px;max-width:90vw;margin:0;padding:4px 0;list-style:none;background:#fff;color:var(--text);border:1px solid var(--border);border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.18);max-height:70vh;overflow:auto}#search-results li a{display:block;padding:8px 14px;color:var(--text)}#search-results li a:hover,#search-results li a.sel{background:var(--bg-soft);text-decoration:none}#search-results strong{display:block;color:var(--blue);font-weight:500}#search-results span{display:block;font-size:13px;color:var(--muted);line-height:1.4}#search-results .none{padding:10px 14px;color:var(--muted);font-size:14px}mark{background:#fff3a8;color:inherit;padding:0 1px}.layout{display:grid;grid-template-columns:var(--sidebar-w)minmax(0,1fr)var(--toc-w);max-width:1500px;margin:0 auto;padding-top:var(--nav-h);min-height:calc(100vh - 70px)}.layout:has(.home){display:block}.sidebar{position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));overflow-y:auto;padding:24px 12px 24px 24px;border-right:1px solid var(--border);font-size:15px}.sidebar-title{font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 10px 10px}.sidebar-title a{color:var(--navy)}.sidebar ul{list-style:none;margin:0;padding:0}.sidebar li a{display:block;padding:6px 10px;margin:1px 0;color:#3d4451;border-left:3px solid transparent;border-radius:0 4px 4px 0}.sidebar li a:hover{color:var(--blue);background:var(--bg-soft);text-decoration:none}.sidebar li a.active{color:var(--blue);font-weight:500;border-left-color:var(--blue);background:#eef3fd}.content{padding:32px 48px 56px;min-width:0}.doc{max-width:820px}.doc-title{font-size:2.1rem;font-weight:400;line-height:1.25;margin:0 0 20px;padding-bottom:14px;border-bottom:1px solid var(--border)}.doc h2{font-size:1.6rem;font-weight:400;margin:2.2rem 0 .8rem;padding-bottom:.3rem;border-bottom:1px solid var(--border)}.doc h3{font-size:1.25rem;font-weight:500;margin:1.8rem 0 .6rem}.doc h4{font-size:1.05rem;font-weight:500;margin:1.4rem 0 .4rem}.doc p{margin:0 0 1rem}.doc ul,.doc ol{padding-left:1.6rem;margin:0 0 1rem}.doc li{margin:.25rem 0}.doc li>p{margin-bottom:.4rem}.anchor{margin-left:.4em;font-weight:400;opacity:0;color:var(--muted)}h2:hover .anchor,h3:hover .anchor,h4:hover .anchor{opacity:1}.anchor:hover{text-decoration:none;color:var(--blue)}.doc img{max-width:100%}.doc hr{border:0;border-top:1px solid var(--border);margin:2rem 0}.doc blockquote{margin:0 0 1rem;padding:.8rem 1rem;background:#eef3fd;border-left:4px solid var(--blue);border-radius:0 4px 4px 0}.doc blockquote p:last-child{margin-bottom:0}code{font-family:var(--mono);font-size:.875em;background:var(--code-bg);border-radius:3px;padding:.15em .4em}pre{margin:0 0 1.2rem;padding:14px 16px;overflow-x:auto;background:var(--code-bg);border:1px solid var(--border);border-radius:4px;font-size:14px;line-height:1.5}pre code{background:0 0;padding:0;font-size:inherit}.highlight{margin-bottom:1.2rem}.highlight pre{margin:0}.chroma .c,.chroma .c1,.chroma .cm{color:#6a737d;font-style:italic}.chroma .k,.chroma .kd,.chroma .kn{color:#d73a49}.chroma .s,.chroma .s1,.chroma .s2{color:#0a6640}.chroma .nb,.chroma .nf{color:#6f42c1}.chroma .m,.chroma .mi{color:#005cc5}.chroma .o{color:#d73a49}.doc table{border-collapse:collapse;width:100%;margin:0 0 1.4rem;font-size:15px}@media(max-width:860px){.doc table{display:block;overflow-x:auto}}.doc th,.doc td{border:1px solid var(--border);padding:8px 12px;text-align:left;vertical-align:top}.doc th{background:var(--bg-soft);font-weight:500}.doc tbody tr:nth-child(even){background:#fbfbfc}.pager{display:flex;justify-content:space-between;gap:16px;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--border)}.pager a{display:block;padding:10px 16px;border:1px solid var(--border);border-radius:6px;min-width:180px}.pager a:hover{border-color:var(--blue);text-decoration:none;background:#eef3fd}.pager small{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em}.pager .next{text-align:right;margin-left:auto}.edit{margin-top:2rem;font-size:14px}.toc{position:sticky;top:var(--nav-h);height:calc(100vh - var(--nav-h));overflow-y:auto;padding:32px 20px 24px 8px;font-size:14px}.toc-title{font-weight:500;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:8px}.toc nav ul{list-style:none;margin:0;padding:0}.toc nav ul ul{padding-left:14px}.toc nav a{display:block;padding:3px 0 3px 12px;color:#4a5260;border-left:2px solid var(--border);line-height:1.4}.toc nav a:hover{color:var(--blue);text-decoration:none}.toc nav a.active{color:var(--blue);border-left-color:var(--blue);font-weight:500}.hero{margin:calc(var(--nav-h) * -1)calc(50% - 50vw)0;padding:calc(var(--nav-h) + 64px)24px 64px;background:linear-gradient(135deg,var(--blue) 0%,#1b3f94 100%);color:#fff;text-align:center}.hero h1{font-size:3rem;font-weight:300;margin:0 0 12px}.hero p{font-size:1.2rem;max-width:640px;margin:0 auto 28px;opacity:.92}.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:10px 24px;border-radius:4px;border:1px solid #fff;color:#fff;font-weight:500}.btn:hover{text-decoration:none;background:rgba(255,255,255,.12)}.btn.primary{background:#fff;color:var(--blue)}.btn.primary:hover{background:#eef3fd}.home{padding-top:0}.home .doc{margin:40px auto 0}.home .doc-title{display:none}.home .doc>h1:first-child{display:none}.footer{background:var(--navy);color:#c7d0e0;text-align:center;padding:22px 24px;font-size:14px}@media(max-width:1200px){.layout{grid-template-columns:var(--sidebar-w)minmax(0,1fr)}.toc{display:none}}@media(max-width:860px){.layout{display:block}.nav-toggle{display:block}.topnav{display:none}.search{width:100%;max-width:260px}.sidebar{position:fixed;top:var(--nav-h);left:0;bottom:0;z-index:40;width:280px;height:auto;background:#fff;transform:translateX(-100%);transition:transform .2s;box-shadow:4px 0 16px rgba(0,0,0,.15)}body.nav-open .sidebar{transform:none}.content{padding:24px 18px 40px}.doc-title{font-size:1.7rem}.hero h1{font-size:2.2rem}}