/* R10: operational density, official brand assets, real states, scoped theme. */
:root{--xl-bg:#09111b;--xl-card:#101d2a;--xl-card2:#132333;--xl-text:#ecf3fa;--xl-muted:#9bafc3;--xl-line:#2a3d51;--xl-blue:#4389ff;--xl-green:#54dfb2;--xl-red:#ff8290;--xl-amber:#f4c37b;--xl-shadow:0 10px 35px #00000015}
html[data-theme-mode="light"],html[data-theme="light"]{--xl-bg:#f1f5fa;--xl-card:#fff;--xl-card2:#f4f7fc;--xl-text:#152d44;--xl-muted:#506981;--xl-line:#cfdae8;--xl-blue:#145ac9;--xl-green:#067450;--xl-red:#b62543;--xl-amber:#885400;--xl-shadow:0 8px 25px #1a385208}
body.page-live-demo{background:var(--xl-bg)!important;color:var(--xl-text)}body.page-live-demo #mainContent{padding:0;max-width:none;width:100%}.xl-root,.xl-admin-body{font-family:Inter,XPSLab,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--xl-text);background:var(--xl-bg);line-height:1.5;font-size:14px}.xl-root *{box-sizing:border-box}.xl-root [hidden]{display:none!important}.xl-root{max-width:1664px;margin:0 auto;padding:30px 30px 18px}.xl-root h1,.xl-root h2,.xl-root p,.xl-root dl{margin:0}.xl-root h1{font-size:clamp(25px,2.25vw,37px);line-height:1.15;letter-spacing:-.035em;font-weight:720;max-width:none}.xl-root h2{font-size:17px;font-weight:650;letter-spacing:-.015em;line-height:1.4}.xl-root a{color:var(--xl-blue);text-decoration:none}.xl-root a:hover{text-decoration:underline}.xl-root .xl-eyebrow{font-size:10px;letter-spacing:.17em;color:var(--xl-blue);font-weight:750;text-transform:uppercase;margin-bottom:7px}.xl-hero{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-bottom:23px}.xl-hero>div:first-child{max-width:1000px}.xl-hero p:not(.xl-eyebrow){color:var(--xl-muted);font-size:13px;margin-top:10px;max-width:890px}.xl-hero-actions{display:flex;flex-direction:column;align-items:flex-end;gap:10px;flex-shrink:0}.xl-mode{font-size:10px;font-weight:650;letter-spacing:.07em;color:var(--xl-muted);padding-left:12px;position:relative}.xl-mode:before{content:'';position:absolute;left:0;top:5px;width:5px;height:5px;border-radius:50%;background:var(--xl-muted)}.xl-mode[data-active="true"]:before{background:var(--xl-green)}.xl-btn{border:1px solid var(--xl-line);background:var(--xl-card2);color:var(--xl-text);border-radius:6px;font:inherit;font-size:12px;font-weight:600;min-height:38px;padding:9px 13px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;transition:background .15s,border-color .15s}.xl-btn:hover:not(:disabled){border-color:var(--xl-blue);background:var(--xl-card)}.xl-btn:disabled{opacity:.42;cursor:not-allowed}.xl-primary{background:#2468e8;color:#fff;border-color:#4f8cff}.xl-primary:hover:not(:disabled){background:#1b59cc;color:#fff}.xl-danger{color:var(--xl-red);border-color:color-mix(in srgb,var(--xl-red) 45%,transparent);background:transparent}.xl-link-btn{background:transparent;border-color:transparent;color:var(--xl-muted)}.xl-root :focus-visible{outline:2px solid var(--xl-blue);outline-offset:3px}.xl-message{border:1px solid var(--xl-line);border-left:3px solid var(--xl-blue);padding:12px 15px;background:var(--xl-card);border-radius:5px;margin:0 0 16px;white-space:pre-wrap;overflow-wrap:anywhere}.xl-message[data-error="true"]{border-left-color:var(--xl-red);color:var(--xl-red)}.xl-scenarios{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:17px}.xl-scenario{position:relative;border:1px solid var(--xl-line);border-radius:8px;padding:15px 15px 29px;background:var(--xl-card);display:flex;align-items:flex-start;gap:12px;text-align:left;color:var(--xl-text);font:inherit;cursor:pointer;min-width:0}.xl-scenario[aria-pressed="true"]{border-color:var(--xl-blue);background:linear-gradient(110deg,color-mix(in srgb,var(--xl-blue) 11%,var(--xl-card)),var(--xl-card));box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--xl-blue) 30%,transparent)}.xl-scenario strong{display:block;font-weight:650;font-size:13px}.xl-scenario small{display:block;color:var(--xl-muted);font-size:11px;line-height:1.55;margin-top:4px}.xl-scenario-icon{font-size:25px;line-height:1.25;color:var(--xl-blue)}.xl-scenario-state{position:absolute;bottom:9px;right:14px;font-size:9px;letter-spacing:.04em;color:var(--xl-muted)}.xl-scenario-state[data-ready="true"]{color:var(--xl-green)}.xl-panel{background:var(--xl-card);border:1px solid var(--xl-line);border-radius:9px;padding:19px;box-shadow:var(--xl-shadow);min-width:0}.xl-cockpit{display:grid;grid-template-columns:minmax(0,2.15fr) minmax(280px,1fr);gap:16px}.xl-panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.xl-panel-heading h2{overflow-wrap:anywhere}.xl-panel-heading .xl-eyebrow{color:var(--xl-muted);font-size:9px;margin-bottom:4px}.xl-session-id{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:10px;letter-spacing:.02em;color:var(--xl-muted);margin-top:7px!important;overflow-wrap:anywhere}.xl-status{font-size:10px;font-weight:750;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--xl-line);border-radius:5px;padding:6px 9px;color:var(--xl-muted);white-space:normal;max-width:190px;text-align:center;flex-shrink:0}.xl-status[data-state="passed"]{color:var(--xl-green);background:color-mix(in srgb,var(--xl-green) 9%,transparent);border-color:color-mix(in srgb,var(--xl-green) 32%,transparent)}.xl-status[data-state="blocked"],.xl-status[data-state="failed"]{color:var(--xl-red);border-color:color-mix(in srgb,var(--xl-red) 40%,transparent)}.xl-status[data-state="running"]{color:var(--xl-blue);border-color:var(--xl-blue)}.xl-chain{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:0;position:relative;margin:24px -8px 22px}.xl-node{position:relative;border:0;background:transparent;color:var(--xl-muted);font:inherit;display:flex;flex-direction:column;align-items:center;padding:0 2px;gap:9px;cursor:pointer;min-width:0}.xl-node:after{content:'';position:absolute;top:18px;height:1px;background:var(--xl-line);width:calc(100% - 37px);left:calc(50% + 19px)}.xl-node:last-child:after{display:none}.xl-node>span{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--xl-line);border-radius:50%;background:var(--xl-card);font-size:11px;font-weight:650}.xl-node small{font-size:8px;font-weight:600;letter-spacing:.025em;text-align:center;overflow-wrap:anywhere}.xl-node[data-state="passed"]>span{color:var(--xl-green);border-color:var(--xl-green);background:color-mix(in srgb,var(--xl-green) 7%,var(--xl-card));font-size:16px}.xl-node[data-state="passed"]:after{background:var(--xl-green)}.xl-node[data-state="blocked"]>span{color:var(--xl-red);border-color:var(--xl-red)}.xl-node:disabled{cursor:default}.xl-identities{display:grid;gap:9px;background:var(--xl-card2);border:1px solid var(--xl-line);border-radius:6px;padding:13px 15px}.xl-identities>div{display:grid;grid-template-columns:160px minmax(0,1fr);gap:10px;align-items:start}.xl-identities dt{color:var(--xl-muted);font-size:11px}.xl-identities dd{font-size:11px;margin:0;overflow-wrap:anywhere}.xl-identities code{background:none;padding:0;color:var(--xl-text);font:10px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;word-break:break-all}.xl-metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:18px 0 8px}.xl-metrics>div{padding:0 12px;border-right:1px solid var(--xl-line)}.xl-metrics>div:first-child{padding-left:0}.xl-metrics>div:last-child{border-right:0}.xl-metrics dt{font-size:10px;color:var(--xl-muted);line-height:1.3;min-height:24px}.xl-metrics dd{font-size:22px;letter-spacing:-.04em;font-weight:650;margin:2px 0 0}.xl-actions{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:13px}.xl-actions .xl-btn{min-height:33px;font-size:10px;padding:7px 10px}.xl-help{font-size:11px!important;color:var(--xl-muted);line-height:1.6;margin:9px 0 12px!important;overflow-wrap:anywhere}.xl-stream-panel{padding-bottom:10px}.xl-stream-indicator{font-size:9px;font-weight:650;color:var(--xl-muted);white-space:nowrap}.xl-stream-indicator[data-state="running"]{color:var(--xl-blue)}.xl-stream{list-style:none;padding:0;margin:17px 0 0;max-height:340px;overflow-y:auto;scrollbar-width:thin}.xl-stream li{position:relative;padding:0 0 16px 17px;margin-left:4px;border-left:1px solid var(--xl-line);display:grid;grid-template-columns:53px minmax(0,1fr);gap:9px;font-size:10px}.xl-stream li:before{content:'';position:absolute;top:4px;left:-4px;border-radius:50%;width:7px;height:7px;background:var(--xl-blue)}.xl-stream li:last-child{border-left-color:transparent}.xl-stream time{font-family:ui-monospace,monospace;color:var(--xl-muted);font-size:9px}.xl-stream strong{font-family:ui-monospace,monospace;font-size:9px;letter-spacing:.01em;font-weight:500;overflow-wrap:anywhere;display:block}.xl-stream small{display:block;color:var(--xl-muted);font-size:10px;line-height:1.5;margin-top:3px;overflow-wrap:anywhere}.xl-stream .xl-empty{color:var(--xl-muted);display:block;padding:18px;border:1px dashed var(--xl-line);margin:0;border-radius:5px}.xl-stream .xl-empty:before{display:none}.xl-check-list{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}.xl-check-chip{font-size:8px;color:var(--xl-green);border:1px solid color-mix(in srgb,var(--xl-green) 25%,transparent);border-radius:3px;padding:3px 5px}.xl-check-chip[data-ok="false"]{color:var(--xl-red);border-color:var(--xl-red)}.xl-challenge{border:1px solid color-mix(in srgb,var(--xl-red) 40%,var(--xl-line));background:linear-gradient(110deg,color-mix(in srgb,var(--xl-red) 6%,var(--xl-card)),var(--xl-card));border-radius:9px;padding:18px 20px;margin-top:16px}.xl-challenge-intro{display:flex;align-items:center;gap:16px}.xl-bolt{font-size:34px;color:var(--xl-red)}.xl-challenge-intro>div{flex:1}.xl-challenge h2{font-size:16px}.xl-challenge p{font-size:11px;color:var(--xl-muted);margin-top:5px;max-width:850px}.xl-challenge .xl-btn{flex-shrink:0;font-size:11px}.xl-diff{display:grid;grid-template-columns:minmax(0,1fr) 30px minmax(0,1fr);gap:15px;margin-top:17px;padding-top:15px;border-top:1px solid var(--xl-line)}.xl-diff>div{min-width:0;background:var(--xl-card);border-radius:5px;padding:13px}.xl-diff span{font-size:10px;color:var(--xl-muted)}.xl-diff strong{display:block;font-size:13px;margin:5px 0;color:var(--xl-green)}.xl-diff>div:last-child strong{color:var(--xl-red)}.xl-diff code{font-size:10px;word-break:break-all;color:var(--xl-muted);background:none}.xl-diff-arrow{align-self:center;text-align:center;font-size:20px!important}.xl-bottom{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:16px}.xl-bottom>.xl-panel{padding:14px 18px;box-shadow:none}.xl-bottom summary{font-size:12px;font-weight:650;cursor:pointer}.xl-bottom p{font-size:12px;color:var(--xl-muted);margin:12px 0}.xl-bottom a{font-size:12px}.xl-root label{display:block;font-size:11px;color:var(--xl-muted);line-height:1.5;margin:12px 0}.xl-root input:not([type="checkbox"]),.xl-root select{display:block;width:100%;background:var(--xl-card2);border:1px solid var(--xl-line);color:var(--xl-text);border-radius:5px;font:inherit;font-size:12px;margin-top:6px;padding:9px 10px;min-width:0;min-height:36px}.xl-root input[type="checkbox"]{accent-color:var(--xl-blue);width:15px;height:15px;flex-shrink:0}.xl-root input[type="file"]{font-size:10px}.xl-root output{display:block;overflow-wrap:anywhere;font-size:11px;margin-top:12px}.xl-lab-footer{display:flex;align-items:center;justify-content:space-between;color:var(--xl-muted);font-size:10px;margin-top:12px}.xl-drawer{width:min(760px,calc(100% - 30px));max-height:86vh;border:1px solid var(--xl-line);border-radius:10px;background:var(--xl-card);color:var(--xl-text);padding:22px}.xl-drawer::backdrop{background:#040c17bd;backdrop-filter:blur(3px)}.xl-drawer pre{font-size:11px;line-height:1.65;white-space:pre-wrap;overflow-wrap:anywhere;max-height:57vh;overflow:auto;padding:18px;background:var(--xl-bg);border-radius:6px}.xl-sr{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.xl-share-box{margin-bottom:0!important}.xl-share-box input{font-family:ui-monospace,monospace!important;font-size:10px!important}
/* Administration is a separate authenticated surface, not a hidden public form. */
.xl-admin-body{margin:0}.xl-admin-header{height:82px;border-bottom:1px solid var(--xl-line);display:flex;align-items:center;gap:40px;padding:12px 30px;background:var(--xl-card)}.xl-admin-header img{display:block;object-fit:contain}.xl-admin-header nav{display:flex;gap:26px;font-size:12px;align-items:center;flex:1}.xl-admin-header nav a,.xl-header-tools a{color:var(--xl-muted);text-decoration:none}.xl-admin-header nav span{color:var(--xl-text);font-weight:650}.xl-header-tools{display:flex;gap:20px;align-items:center;font-size:12px}.xl-skip{position:fixed;left:20px;top:-60px;z-index:100;background:var(--xl-blue);color:white;padding:10px}.xl-skip:focus{top:10px}.xl-is-admin .xl-admin-layout{display:grid;grid-template-columns:290px minmax(0,1fr);gap:20px}.xl-admin-controls{display:flex;flex-direction:column;gap:15px}.xl-admin-controls h2{font-size:14px}.xl-admin-controls .xl-panel{padding:17px}.xl-root fieldset{border:0;padding:0;margin:0;min-width:0}.xl-root .xl-toggle{display:flex;align-items:flex-start;gap:9px;font-size:11px;color:var(--xl-text);margin:13px 0}.xl-toggle input{margin:2px 0 0}.xl-stack{display:flex;flex-direction:column;gap:9px}.xl-form-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.xl-form-pair label{font-size:10px}.xl-runtime-status{font-size:11px;font-weight:650;overflow-wrap:anywhere;color:var(--xl-amber);margin-top:13px}.xl-is-admin .xl-cockpit{grid-template-columns:minmax(0,1.9fr) minmax(240px,1fr)}.xl-is-admin .xl-identities>div{grid-template-columns:115px minmax(0,1fr)}.xl-is-admin .xl-scenario{padding:12px 12px 29px;gap:8px}.xl-is-admin .xl-scenario small{font-size:10px}.xl-is-admin .xl-scenario-icon{font-size:22px}.xl-is-admin .xl-scenario strong{font-size:12px}.xl-admin-history{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:16px}.xl-history,.xl-audit{max-height:280px;overflow:auto;margin-top:12px;scrollbar-width:thin}.xl-history button{display:block;text-align:left;width:100%;border:0;border-bottom:1px solid var(--xl-line);background:transparent;color:var(--xl-text);padding:10px 0;cursor:pointer;font-size:11px}.xl-history button small,.xl-audit small{display:block;color:var(--xl-muted);font-size:9px;margin-top:4px;overflow-wrap:anywhere}.xl-audit>div{padding:10px 0;border-bottom:1px solid var(--xl-line);font-size:10px;overflow-wrap:anywhere}.xl-history button[aria-current="true"]{color:var(--xl-blue)}
@media(min-width:1700px){.xl-root{padding-top:35px}.xl-session{min-height:435px}.xl-stream{max-height:365px}}
@media(max-width:1300px){.xl-is-admin .xl-cockpit{grid-template-columns:1fr}.xl-is-admin .xl-stream{max-height:230px}.xl-is-admin .xl-scenarios{grid-template-columns:1fr}.xl-is-admin .xl-scenario{padding:12px 14px;min-height:64px}.xl-is-admin .xl-scenario-state{position:static;margin-left:auto;align-self:center;max-width:120px}.xl-is-admin .xl-admin-layout{grid-template-columns:265px minmax(0,1fr)}.xl-is-admin .xl-hero h1{font-size:29px}}
@media(max-width:1000px){.xl-root{padding:24px 20px 16px}.xl-cockpit{grid-template-columns:minmax(0,1fr) 285px}.xl-identities>div{grid-template-columns:1fr;gap:3px}.xl-chain{margin-left:-12px;margin-right:-12px}.xl-node small{font-size:7px}.xl-actions{gap:5px}.xl-metrics dd{font-size:20px}.xl-challenge-intro{flex-wrap:wrap}.xl-challenge-intro>.xl-btn{margin-left:46px}.xl-admin-header{gap:20px;padding:10px 20px}.xl-admin-header nav{gap:15px;font-size:11px}.xl-is-admin .xl-admin-history{grid-template-columns:1fr}.xl-is-admin .xl-scenario-state{max-width:75px}}
@media(max-width:780px){.xl-cockpit{grid-template-columns:1fr}.xl-hero{align-items:flex-start;gap:17px}.xl-hero-actions{align-items:flex-start}.xl-hero .xl-primary{font-size:11px;padding:10px}.xl-scenarios{gap:8px}.xl-scenario{padding:13px 11px 30px;display:block}.xl-scenario-icon{display:none}.xl-scenario strong{font-size:12px}.xl-scenario small{font-size:10px}.xl-chain{margin-left:0;margin-right:0}.xl-node small{font-size:8px}.xl-stream{max-height:255px}.xl-identities>div{grid-template-columns:155px minmax(0,1fr);gap:10px}.xl-is-admin .xl-admin-layout{display:flex;flex-direction:column}.xl-is-admin .xl-admin-controls{display:grid;grid-template-columns:1fr 1fr}.xl-is-admin .xl-admin-controls>.xl-panel:first-child{grid-row:span 2}.xl-is-admin .xl-scenarios{grid-template-columns:repeat(3,minmax(0,1fr))}.xl-is-admin .xl-scenario{display:block;padding-bottom:30px}.xl-is-admin .xl-scenario-state{position:absolute;max-width:none}.xl-admin-header nav a:first-child{display:none}.xl-admin-header{height:74px}.xl-admin-header img{width:130px;height:auto}.xl-admin-header nav{gap:12px}.xl-header-tools{gap:10px}.xl-admin-header nav span{display:none}}
@media(max-width:520px){.xl-root{padding:20px 14px 12px}.xl-hero{flex-direction:column;gap:14px;margin-bottom:15px}.xl-root h1{font-size:27px;line-height:1.17}.xl-hero p:not(.xl-eyebrow){font-size:12px;line-height:1.6}.xl-hero-actions{flex-direction:row;align-items:center;justify-content:space-between;width:100%}.xl-mode{font-size:9px;max-width:45%}.xl-hero .xl-primary{font-size:11px}.xl-scenarios{grid-template-columns:1fr;gap:7px;margin-bottom:12px}.xl-scenario{display:flex;align-items:center;padding:12px;gap:10px}.xl-scenario-icon{display:block;font-size:23px}.xl-scenario strong{font-size:12px}.xl-scenario small{font-size:10px;margin-top:2px}.xl-scenario>span:nth-child(2){flex:1}.xl-scenario-state{position:static;font-size:8px;max-width:75px;text-align:right;margin-left:6px}.xl-panel{padding:16px}.xl-panel-heading{gap:8px}.xl-panel-heading h2{font-size:15px}.xl-status{font-size:8px;padding:6px;max-width:115px}.xl-session-id{font-size:9px}.xl-chain{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px 0;margin:22px 0}.xl-node:nth-child(4):after{display:none}.xl-node small{font-size:8px}.xl-identities>div{grid-template-columns:1fr;gap:3px}.xl-identities{padding:12px}.xl-identities code{font-size:10px}.xl-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;padding:15px 0 3px}.xl-metrics>div:nth-child(odd){padding-left:0}.xl-metrics>div:nth-child(even){border:0}.xl-metrics dt{min-height:0;font-size:10px}.xl-metrics dd{font-size:21px}.xl-actions .xl-btn{font-size:10px;min-height:36px}.xl-challenge{padding:16px;margin-top:12px}.xl-challenge-intro{gap:9px}.xl-challenge h2{font-size:16px}.xl-challenge p{font-size:11px;margin-top:7px}.xl-bolt{display:none}.xl-challenge-intro>.xl-btn{margin-left:0;width:100%}.xl-diff{grid-template-columns:1fr;gap:8px}.xl-diff-arrow{display:none}.xl-bottom{grid-template-columns:1fr;gap:10px;margin-top:12px}.xl-lab-footer{font-size:8px}.xl-is-admin .xl-admin-controls{display:flex}.xl-is-admin .xl-scenarios{grid-template-columns:1fr}.xl-is-admin .xl-scenario{display:flex;padding:12px}.xl-is-admin .xl-scenario-state{position:static;max-width:75px}.xl-is-admin .xl-identities>div{grid-template-columns:1fr}.xl-admin-header{padding:10px 14px;gap:10px}.xl-admin-header nav{justify-content:flex-end}.xl-admin-header nav a{font-size:10px}.xl-header-tools>a{font-size:10px}.xl-header-tools .xl-btn{padding:7px;min-height:32px}.xl-admin-header img{width:115px}.xl-header-tools{gap:8px}.xl-is-admin .xl-hero h1{font-size:27px}}
@media(prefers-reduced-motion:reduce){.xl-root *{scroll-behavior:auto!important;transition:none!important}}

/* Isolate operational typography from the public marketing heading scale. */
body.public-site #xl-root h1{font-size:clamp(25px,2.25vw,37px);line-height:1.15;letter-spacing:-.035em;margin:0;color:var(--xl-text)}
body.public-site #xl-root h2{font-size:17px;line-height:1.4;letter-spacing:-.015em;margin:0;color:var(--xl-text)}
body.public-site #xl-root .xl-hero>div:first-child{max-width:950px}
body.public-site #xl-root p{color:var(--xl-muted)}
@media(max-width:520px){body.public-site #xl-root h1{font-size:27px;line-height:1.17}body.public-site #xl-root h2{font-size:15px}}

/* Full digests must remain inspectable on narrow viewports, never clipped. */
body.page-live-demo #xl-root code{display:block;max-width:100%;white-space:normal;overflow-wrap:anywhere;word-break:break-all}
#xl-root .xl-identities dd{min-width:0}
html[data-theme-mode="light"] body.page-live-demo .site-footer{background:var(--xl-card);color:var(--xl-text);border-top-color:var(--xl-line)}
html[data-theme-mode="light"] body.page-live-demo .site-footer :is(p,span,em,li,a,summary){color:var(--xl-muted)}
html[data-theme-mode="light"] body.page-live-demo .site-footer :is(h2,h3,h4,strong,b){color:var(--xl-text)}