.elsn,.elsn *,.elsf,.elsf *,.elss,.elss *{box-sizing:border-box}
.elsn{position:sticky;top:0;z-index:1000;background:#0a0930f2;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid #2a2475;font-family:Inter,"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#eef0ff;font-size:15px;line-height:1.4}
.elsn a{color:inherit;text-decoration:none}
.elsn-in{max-width:1240px;margin:0 auto;height:64px;display:flex;align-items:center;gap:6px;padding:0 20px}
.elsn-logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:19px;letter-spacing:-.01em;margin-right:14px;white-space:nowrap;color:#fff!important}
.elsn-logo svg{width:36px;height:36px;flex:none}
.elsn-logo b{color:#7ef0d6;font-weight:800}
.elsn-menu{display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none;flex:1}
.elsn-menu>li{position:relative;list-style:none;margin:0;padding:0}
.elsn-top{appearance:none;background:none;border:0;color:#d9dcff;font:inherit;font-weight:600;padding:10px 12px;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:6px}
.elsn-top:hover,.elsn-top[aria-expanded=true],.elsn-top.on{background:#ffffff12;color:#fff}
.elsn-top.on{box-shadow:inset 0 -2px 0 #7ef0d6}
.elsn-top svg{width:12px;height:12px;transition:transform .15s;opacity:.7}
.elsn-top[aria-expanded=true] svg{transform:rotate(180deg)}
.elsn-panel{position:absolute;top:calc(100% + 10px);left:-12px;width:600px;background:#121044;border:1px solid #2e2880;border-radius:18px;box-shadow:0 24px 60px #000a;padding:14px;display:none}
.elsn-panel.open{display:block}
.elsn-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.elsn-item{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:12px;color:#eef0ff!important}
.elsn-item:hover{background:#ffffff0f}
.elsn-ic{flex:none;width:38px;height:38px;border-radius:10px;background:#7ef0d61a;color:#7ef0d6;display:grid;place-items:center}
.elsn-ic svg{width:20px;height:20px}
.elsn-arr{width:16px;height:16px}
.elsn-t{display:block;font-weight:700;font-size:15px;color:#fff}
.elsn-d{display:block;font-size:13px;color:#a9addc;margin-top:2px}
.elsn-all{display:flex;justify-content:space-between;align-items:center;margin-top:8px;padding:12px 14px;border-top:1px solid #2e2880;font-weight:700;font-size:14px;color:#7ef0d6!important}
.elsn-right{display:flex;align-items:center;gap:8px;margin-left:auto}
.elsn-btn{appearance:none;border:1px solid #2e2880;background:#ffffff0a;color:#eef0ff;border-radius:999px;height:40px;min-width:40px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.elsn-btn:hover{background:#ffffff18}
.elsn-btn svg{width:17px;height:17px}
.elsn-search kbd{font-family:inherit;font-size:11px;border:1px solid #3a3490;border-radius:6px;padding:1px 6px;color:#a9addc}
.elsn-sub{background:#ff2d2d!important;border-color:#ff2d2d!important;color:#fff!important;font-weight:800}
.elsn-sub:hover{background:#e01f1f!important}
.elsn-burger{display:none}
.elsn-drawer{display:none}
@media (max-width:1060px){.elsn-search span,.elsn-search kbd{display:none}.elsn-search{padding:0}}
@media (max-width:980px){
 .elsn-menu{display:none}.elsn-burger{display:inline-flex;padding:0}
 .elsn-drawer{position:fixed!important;inset:64px 0 0 0;z-index:1001;background:#0a0930!important;backdrop-filter:none!important;overflow:auto;padding:12px 16px 40px;border-top:1px solid #2a2475;border-bottom:0}
 .elsn-drawer.open{display:block}
 .elsn-acc{border-bottom:1px solid #2a2475}
 .elsn-acc>button{width:100%;appearance:none;background:none;border:0;color:#fff;font:inherit;font-weight:700;font-size:17px;padding:16px 4px;display:flex;justify-content:space-between;align-items:center;cursor:pointer}
 .elsn-acc>button svg{width:14px;height:14px;flex:none;transition:transform .15s;opacity:.7}
 .elsn-acc.open>button svg{transform:rotate(180deg)}
 .elsn-acc>div{display:none;padding:0 0 12px}
 .elsn-acc.open>div{display:block}
 .elsn-acc .elsn-item{padding:10px 6px}
}
@media (max-width:560px){.elsn-sub span{display:none}.elsn-sub{padding:0 12px}.elsn-logo{font-size:17px;margin-right:4px}.elsn-in{padding:0 12px;gap:4px}.elsn-theme{display:none}}
.elss{position:fixed;inset:0;z-index:2000;background:#05041ccc;backdrop-filter:blur(4px);display:none;align-items:flex-start;justify-content:center;padding:10vh 16px 16px;font-family:Inter,system-ui,sans-serif}
.elss.open{display:flex}
.elss-box{width:100%;max-width:680px;background:#121044;border:1px solid #2e2880;border-radius:18px;box-shadow:0 30px 80px #000c;overflow:hidden}
.elss-in{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid #2e2880}
.elss-in svg{width:20px;height:20px;color:#a9addc;flex:none}
.elss-in input{flex:1;background:none;border:0;outline:0;color:#fff;font:inherit;font-size:18px}
.elss-in input::placeholder{color:#7d82b8}
.elss-res{max-height:60vh;overflow:auto;padding:8px}
.elss-res a{display:block;padding:11px 12px;border-radius:10px;color:#eef0ff;text-decoration:none}
.elss-res a.act,.elss-res a:hover{background:#ffffff12}
.elss-res b{display:block;font-size:15px;color:#fff}
.elss-res small{display:block;font-size:12.5px;color:#a9addc;margin-top:2px}
.elss-res i{font-style:normal;font-size:11px;font-weight:700;color:#7ef0d6;text-transform:uppercase;letter-spacing:.05em}
.elss-empty{padding:22px;color:#a9addc;font-size:14px}
.elsf{background:#07061f;border-top:1px solid #2a2475;color:#b4b8e6;font-family:Inter,"IBM Plex Sans",system-ui,sans-serif;font-size:14px;line-height:1.6;margin-top:56px}
.elsf a{color:#b4b8e6;text-decoration:none}
.elsf a:hover{color:#fff}
.elsf-in{max-width:1240px;margin:0 auto;padding:48px 20px 28px;display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
.elsf h4{margin:0 0 12px;color:#fff;font-size:14px;font-weight:800;letter-spacing:.02em}
.elsf ul{list-style:none;margin:0;padding:0}
.elsf li{margin:0 0 8px}
.elsf-brand p{margin:12px 0 16px;max-width:300px}
.elsf-soc{display:flex;gap:10px;flex-wrap:wrap}
.elsf-soc a{border:1px solid #2e2880;border-radius:999px;padding:7px 14px;font-weight:600;color:#eef0ff}
.elsf-bot{max-width:1240px;margin:0 auto;padding:18px 20px 30px;border-top:1px solid #1d1960;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
@media (max-width:900px){.elsf-in{grid-template-columns:1fr 1fr}.elsf-brand{grid-column:1/-1}}
/* hide the old Learn headers/footers so every page uses one header */
header.top{display:none!important}
.l24-bar .l24-brand,.l24-bar .l24-gl,.l24-bar .l24-theme{display:none!important}
.l24-bar{top:64px!important;z-index:900!important}
body>footer:not(.elsf){display:none!important}
html{scroll-padding-top:128px}
/* one colour scheme for the whole site (dark mode); light mode keeps Learn's own light tokens */
html:not([data-theme="light"]){--bg:#0d0b3b;--bg2:#110e47;--panel:#16124d;--panel2:#1d1860;--line:#2e2880;--muted:#a9addc;--accent:#7ef0d6;--l24-bar:rgba(10,9,48,.92);--l24-line:#2e2880;--l24-panel:#16124d;--l24-chip:#7ef0d6;--l24-chipfg:#0d0b3b}