/* Brand tokens and shared primitives adapted from un-nf/Website src/styles/global.css, master 152d48b. */
#desk-app{--text-mid:#aaa99f;--text-dim:#8a8880;--cream:#e8e6d8;--amber:#d7bb85}
:where(#desk-app) *{box-sizing:border-box}#desk-app{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 var(--font-body);-webkit-font-smoothing:antialiased}:where(#desk-app) button,:where(#desk-app) input,:where(#desk-app) select{font:inherit}:where(#desk-app) button,:where(#desk-app) a,:where(#desk-app) input,:where(#desk-app) select,:where(#desk-app) summary{-webkit-tap-highlight-color:transparent}:where(#desk-app) button{cursor:pointer;color:inherit}:where(#desk-app) button{background:none;border:0}:where(#desk-app) a{color:inherit;text-decoration:none}:where(#desk-app) p,:where(#desk-app) h1,:where(#desk-app) h2,:where(#desk-app) h3,:where(#desk-app) h4{margin:0}:where(#desk-app) button:disabled{cursor:default;opacity:.5}:where(#desk-app) a:hover{color:var(--green)}:where(#desk-app) button:focus-visible,:where(#desk-app) a:focus-visible,:where(#desk-app) input:focus-visible,:where(#desk-app) select:focus-visible,:where(#desk-app) summary:focus-visible{outline:2px solid var(--green);outline-offset:5px}:where(#desk-app) button{touch-action:manipulation}:where(#desk-app) .skip{position:fixed;left:12px;top:-60px;z-index:100;background:var(--green);color:var(--bg);padding:12px}:where(#desk-app) .skip:focus{top:12px}:where(#desk-app) .app-shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}:where(#desk-app) .sidebar{border-right:1px solid var(--border);padding:31px 23px 24px;position:fixed;inset:0 auto 0 0;width:232px;display:flex;flex-direction:column;background:#0d0d0e;z-index:10}:where(#desk-app) .workspace{grid-column:2;min-width:0}:where(#desk-app) .brand{display:flex;align-items:center;gap:8px;line-height:1}:where(#desk-app) .brand-symbol{font-size:28px;font-weight:700;letter-spacing:-3px}:where(#desk-app) .brand-symbol span{color:var(--green)}:where(#desk-app) .brand-name{font-size:13px;letter-spacing:.02em}:where(#desk-app) .product{display:flex;gap:11px;align-items:center;margin:48px 0 30px;font:30px/1 var(--font-accent)}:where(#desk-app) .desk-mark{display:grid;place-items:center;width:36px;height:38px;border:1px solid var(--green-deep);border-radius:6px;color:var(--green);font-size:33px}:where(#desk-app) .tiny{display:block;font:8px/1.5 var(--font-body);letter-spacing:.12em;color:var(--text-dim);margin-top:8px}:where(#desk-app) .edition{font:9px var(--font-body);padding:3px 5px;border:1px solid var(--border);border-radius:3px;margin-left:auto;color:var(--text-dim)}:where(#desk-app) nav{display:grid;gap:5px}:where(#desk-app) .nav-item{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:5px;text-align:left;font-size:12px;color:var(--text-mid);width:100%}:where(#desk-app) .nav-item>span:first-child{display:inline-flex;align-items:center;justify-content:center;flex:0 0 22px;width:22px;font-size:21px;line-height:1}:where(#desk-app) .nav-item:hover{background:#171b18}:where(#desk-app) .nav-item.active{background:var(--green-soft-bg);color:var(--green)}:where(#desk-app) .nav-dot{margin-left:auto;width:5px;height:5px;border-radius:50%;background:var(--green)}:where(#desk-app) .side-chapters{margin-top:40px}:where(#desk-app) .eyebrow{font-size:10px;letter-spacing:.15em;color:var(--text-dim);font-weight:400}:where(#desk-app) .side-chapters>.eyebrow{padding-left:12px;margin-bottom:14px}:where(#desk-app) .chapter-link{display:flex;gap:12px;align-items:center;width:100%;text-align:left;padding:10px 11px;color:var(--text-mid);font-size:11px}:where(#desk-app) .chapter-link:hover{color:var(--green)}:where(#desk-app) .chapter-num{font:10px monospace;color:var(--text-dim);width:18px}:where(#desk-app) .chapter-link.done .chapter-num{color:var(--green)}:where(#desk-app) .sidebar-bottom{margin-top:auto;padding-top:35px}:where(#desk-app) .local-indicator{font-size:10px;display:flex;gap:7px;align-items:center;color:var(--text-mid)}:where(#desk-app) i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--green)}:where(#desk-app) .sidebar-bottom p{font-size:10px;color:var(--text-dim);margin:10px 0 13px;line-height:1.8}:where(#desk-app) .text-button{padding:4px 0;text-align:left;font-size:11px;color:var(--text-mid)}:where(#desk-app) .text-button:hover{color:var(--green)}:where(#desk-app) .sidebar-bottom .text-button{font-size:10px;display:flex;justify-content:space-between;width:100%}:where(#desk-app) .back-link{display:block;border-top:1px solid var(--border);margin-top:22px;padding-top:18px;font-size:10px;color:var(--text-dim)}:where(#desk-app) .topbar{height:77px;border-bottom:1px solid var(--border);padding:0 40px;display:flex;justify-content:space-between;align-items:center;font-size:11px;gap:15px}:where(#desk-app) .top-separator{padding:0 14px;color:#555}:where(#desk-app) .top-sub{color:var(--text-dim)}:where(#desk-app) .top-actions{display:flex;align-items:center;gap:16px}:where(#desk-app) .round-button{display:grid;place-items:center;width:29px;height:29px;border:1px solid var(--border-strong);border-radius:50%;color:var(--text-mid);font-size:13px;flex-shrink:0}:where(#desk-app) .round-button:hover{border-color:var(--green);color:var(--green)}:where(#desk-app) .mobile-logo{display:none}:where(#desk-app) #desk-main{max-width:1550px;margin:auto;padding:35px 48px 40px;min-height:calc(100vh - 150px)}:where(#desk-app) .hero{min-height:430px;display:grid;grid-template-columns:1.06fr 1fr;align-items:center;position:relative;gap:20px}:where(#desk-app) .hero-copy{padding:20px 0 30px;position:relative;z-index:1}:where(#desk-app) .section-label{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:var(--green);display:flex;align-items:center;gap:9px;margin-bottom:23px}:where(#desk-app) .section-label:before{content:'';width:20px;height:1px;background:var(--green)}:where(#desk-app) h1{font:clamp(45px,4.7vw,76px)/.98 var(--font-accent);letter-spacing:-.055em;color:var(--cream);font-weight:400}:where(#desk-app) h1 em{color:var(--green);font-weight:400}:where(#desk-app) .hero-copy>p{margin-top:24px;color:var(--text-mid);max-width:350px;font-size:13px;line-height:1.85}:where(#desk-app) .hero-actions{display:flex;gap:18px;align-items:center;margin-top:26px;flex-wrap:wrap}:where(#desk-app) .microcopy{font-size:10px;color:var(--text-dim)}:where(#desk-app) .art{height:410px;position:relative;overflow:hidden;isolation:isolate}:where(#desk-app) .portrait-art{position:absolute;width:100%;height:100%;inset:0;overflow:visible}:where(#desk-app) .art-grid{position:absolute;inset:0;background-image:radial-gradient(#5557 .7px,transparent .7px);background-size:22px 22px;mask-image:radial-gradient(ellipse at center,#0009,transparent 68%)}:where(#desk-app) .art-tag{position:absolute;display:flex;align-items:center;gap:9px;background:#101112ee;border:1px solid #303630;padding:8px 11px;font:9px monospace;color:#b8c1b6;border-radius:3px;box-shadow:0 4px 20px #0004}:where(#desk-app) .tag1{left:7%;top:22%}:where(#desk-app) .tag2{right:0;top:48%}:where(#desk-app) .tag3{left:13%;bottom:14%;color:var(--green)}:where(#desk-app) .tag1:after,:where(#desk-app) .tag2:before{content:'';position:absolute;height:1px;width:30px;background:var(--green-deep);right:-30px}:where(#desk-app) .tag2:before{right:auto;left:-30px}:where(#desk-app) .art-caption{position:absolute;bottom:12px;right:20px;letter-spacing:.12em;font:8px monospace;color:var(--text-dim)}:where(#desk-app) .portrait-lines{stroke-dasharray:none;animation:none}:where(#desk-app) .drifting-lines{animation:drift 7s ease-in-out infinite;transform-box:fill-box;transform-origin:center}@keyframes drift{0%,100%{transform:translateX(0);opacity:.65}50%{transform:translateX(5px);opacity:1}}
:where(#desk-app) .promise{display:flex;align-items:center;gap:10px;border-block:1px solid var(--border);padding:16px 0;font-size:11px;color:var(--text-mid)}:where(#desk-app) .promise svg{color:var(--green);flex-shrink:0}:where(#desk-app) .promise span:last-child{margin-left:auto;color:var(--green);font:9px monospace}:where(#desk-app) .journey-heading{display:flex;align-items:end;justify-content:space-between;margin-top:32px}:where(#desk-app) .journey-heading h2{font:30px/1.2 var(--font-accent);letter-spacing:-.025em}:where(#desk-app) .journey-heading p{font-size:11px;color:var(--text-dim);margin-top:5px}:where(#desk-app) .progress-summary{font:10px monospace;color:var(--text-mid)}:where(#desk-app) .progress-track{height:3px;background:#242825;width:110px;margin-top:10px}:where(#desk-app) .progress-track div{height:100%;background:var(--green);transition:width .4s}:where(#desk-app) .route{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:27px 0 0;position:relative}:where(#desk-app) .route:before{content:'';position:absolute;left:9%;right:9%;top:23px;border-top:1px dashed #3a5142;z-index:0}:where(#desk-app) .route-card{position:relative;min-width:0;text-align:left;padding:0;display:block}:where(#desk-app) .route-node{position:relative;display:grid;place-items:center;width:46px;height:46px;border:1px solid #333b33;border-radius:50%;background:var(--bg);font:15px var(--font-accent);color:var(--text-dim);margin-bottom:17px;transition:all .2s}:where(#desk-app) .route-card:first-child .route-node,:where(#desk-app) .route-card.done .route-node{color:var(--green);border-color:var(--green-deep);box-shadow:0 0 0 6px var(--bg),0 0 0 7px #26372b}:where(#desk-app) .route-card:hover .route-node{background:var(--green);color:var(--bg);border-color:var(--green);transform:translateY(-3px)}:where(#desk-app) .route-card h3{font-size:12px;font-weight:400;margin:0 0 4px}:where(#desk-app) .route-card p{font-size:10px;color:var(--text-dim);line-height:1.8;max-width:150px}:where(#desk-app) .route-meta{display:block;margin-top:12px;color:var(--text-dim);font:9px monospace}:where(#desk-app) .route-card:first-child .route-meta,:where(#desk-app) .route-card.done .route-meta{color:var(--green)}:where(#desk-app) .bottom-note{display:flex;justify-content:space-between;gap:20px;padding-top:26px;margin-top:30px;border-top:1px solid var(--border);font-size:11px;color:var(--text-dim)}:where(#desk-app) .bottom-note button{color:var(--text-mid);font-size:11px;padding:0}:where(#desk-app) footer{border-top:1px solid var(--border);padding:18px 40px;display:flex;justify-content:space-between;gap:15px;color:var(--text-dim);font-size:9px}:where(#desk-app) footer a{color:var(--text-mid)}:where(#desk-app) footer .text-button{font-size:9px;padding:0}:where(#desk-app) .page-heading{padding:28px 0 35px}:where(#desk-app) .page-heading h1{font-size:56px;margin-top:15px}:where(#desk-app) .page-heading p{margin-top:18px;max-width:570px;color:var(--text-mid)}:where(#desk-app) .surface-card{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-raised)}:where(#desk-app) .portrait-layout{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(230px,.7fr);gap:24px}:where(#desk-app) .panel{padding:25px}:where(#desk-app) .panel h2{font:27px var(--font-accent);margin-bottom:12px}:where(#desk-app) .panel p{color:var(--text-mid);font-size:12px;line-height:1.8}:where(#desk-app) .signal-row{display:grid;grid-template-columns:1fr 1fr;gap:15px;padding:14px 0;border-bottom:1px solid var(--border);font-size:12px}:where(#desk-app) .signal-row:last-child{border-bottom:0}:where(#desk-app) .signal-row span{color:var(--text-dim)}:where(#desk-app) .signal-row strong{font-weight:400;overflow-wrap:anywhere}:where(#desk-app) .signal-row.changed strong{color:var(--green)}:where(#desk-app) .portrait-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}:where(#desk-app) .small-label{font:9px monospace;color:var(--green);letter-spacing:.1em;margin-bottom:12px}:where(#desk-app) .honest-note{font-size:11px!important;color:var(--text-dim)!important;border-left:2px solid var(--green-deep);padding-left:14px;margin-top:20px}:where(#desk-app) .data-blank{padding:50px 20px;text-align:center}:where(#desk-app) .data-blank h2{font:32px var(--font-accent);margin:18px 0 10px}:where(#desk-app) .data-blank p{max-width:420px;margin:0 auto 25px;color:var(--text-mid)}:where(#desk-app) .data-blank .big-symbol{font:70px var(--font-accent);color:var(--green)}:where(#desk-app) .notes-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}:where(#desk-app) .note-card{padding:28px;text-align:left;transition:border-color .2s}:where(#desk-app) .note-card:hover{border-color:var(--green-deep)}:where(#desk-app) .note-card h2{font:28px var(--font-accent);margin:18px 0 10px}:where(#desk-app) .note-card p{color:var(--text-mid);font-size:12px}:where(#desk-app) .note-card .text-button{display:block;color:var(--green);margin-top:23px}:where(#desk-app) .note-number{font:10px monospace;color:var(--green)}:where(#desk-app) dialog{background:var(--bg);color:var(--text);border:1px solid var(--border-strong);padding:0;border-radius:12px;box-shadow:0 35px 100px #0008;max-height:92dvh}:where(#desk-app) dialog::backdrop{background:#000b;backdrop-filter:blur(7px)}:where(#desk-app) #lesson-dialog{width:1000px;max-width:calc(100% - 36px)}:where(#desk-app) .lesson-top{display:flex;justify-content:space-between;align-items:center;padding:20px 30px;border-bottom:1px solid var(--border)}:where(#desk-app) .lesson-top .eyebrow{color:var(--green)}:where(#desk-app) .lesson-#desk-app{display:grid;grid-template-columns:1.25fr .8fr;min-height:535px}:where(#desk-app) .lesson-#desk-main{padding:35px}:where(#desk-app) .lesson-#desk-main h2{font:45px/1.05 var(--font-accent);letter-spacing:-.035em;margin:12px 0 20px}:where(#desk-app) .lesson-intro{font-size:13px;color:var(--text-mid);line-height:1.85}:where(#desk-app) .lesson-aside{border-left:1px solid var(--border);background:#111312;padding:30px;display:flex;flex-direction:column}:where(#desk-app) .lesson-aside h3{font:24px var(--font-accent);margin:20px 0 12px}:where(#desk-app) .lesson-aside p{font-size:12px;line-height:1.85;color:var(--text-mid)}:where(#desk-app) .lesson-aside .honest-note{margin-top:auto;padding-top:15px}:where(#desk-app) .lesson-actions{display:flex;gap:12px;justify-content:space-between;padding:20px 30px;border-top:1px solid var(--border);align-items:center}:where(#desk-app) .lesson-step-count{font-size:10px;color:var(--text-dim)}:where(#desk-app) .step-list{list-style:none;padding:0;margin:24px 0}:where(#desk-app) .step-list li{display:flex;gap:12px;align-items:start;padding:12px 0;border-bottom:1px solid var(--border);font-size:12px;color:var(--text-mid)}:where(#desk-app) .step-list li>span{border:1px solid var(--green-deep);border-radius:50%;width:22px;height:22px;display:grid;place-items:center;flex-shrink:0;font:10px monospace;color:var(--green)}:where(#desk-app) .step-list strong{font-weight:400;color:var(--text)}:where(#desk-app) .copy-row{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:6px;padding:11px 14px;margin:18px 0;gap:8px}:where(#desk-app) .copy-row code{font-size:11px;color:var(--green);overflow-wrap:anywhere}:where(#desk-app) .copy-row button{font-size:10px;white-space:nowrap;color:var(--text-mid)}:where(#desk-app) details{border-top:1px solid var(--border);padding:14px 0;margin-top:8px}:where(#desk-app) summary{font-size:11px;color:var(--text);cursor:pointer}:where(#desk-app) details p{font-size:11px;line-height:1.85;color:var(--text-mid);margin-top:10px}:where(#desk-app) .source{display:inline-block;font-size:10px;color:var(--green);text-decoration:underline;text-underline-offset:4px;margin-top:16px}:where(#desk-app) .browser-choices{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}:where(#desk-app) .browser-choice{border:1px solid var(--border-strong);border-radius:6px;padding:9px 14px;font-size:11px}:where(#desk-app) .browser-choice.selected{color:var(--green);background:var(--green-soft-bg);border-color:var(--green-mid)}:where(#desk-app) .form-label{display:grid;gap:8px;font-size:11px;color:var(--text-mid);margin-top:20px}:where(#desk-app) .form-label select{padding:11px;background:var(--bg-raised);border:1px solid var(--border-strong);border-radius:6px;color:var(--text)}:where(#desk-app) .check-line{display:flex;gap:10px;align-items:start;font-size:11px;color:var(--text-mid);margin:20px 0}:where(#desk-app) .check-line input{accent-color:var(--green);margin-top:4px}:where(#desk-app) .big-lesson-art{height:210px;position:relative;display:grid;place-items:center;margin-bottom:15px}:where(#desk-app) .big-lesson-art svg{width:100%;height:100%}:where(#desk-app) .diagram-label{font:10px monospace;color:var(--green);text-align:center}:where(#desk-app) .toggle-demo{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--border-strong);border-radius:8px;width:100%;padding:12px 14px;font-size:11px;margin:25px 0 5px}:where(#desk-app) .toggle-track{display:block;width:32px;height:18px;border-radius:15px;background:#383936;padding:3px}:where(#desk-app) .toggle-track:after{content:'';display:block;width:12px;height:12px;border-radius:50%;background:var(--text-mid);transition:transform .2s}:where(#desk-app) .toggle-demo[aria-pressed=true] .toggle-track{background:var(--green-deep)}:where(#desk-app) .toggle-demo[aria-pressed=true] .toggle-track:after{transform:translateX(14px);background:var(--green)}:where(#desk-app) #utility-dialog{width:560px;max-width:calc(100% - 32px);padding:28px}:where(#desk-app) .utility-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}:where(#desk-app) .utility-head h2{font:32px var(--font-accent)}:where(#desk-app) #utility-content>p{font-size:13px;color:var(--text-mid);line-height:1.9;margin:12px 0}:where(#desk-app) #utility-content .portrait-actions{margin:23px 0}:where(#desk-app) .danger{color:#e4a397}:where(#desk-app) .utility-rule{border:0;border-top:1px solid var(--border);margin:25px 0}:where(#desk-app) .note-quote{font:29px/1.25 var(--font-accent);color:var(--green);margin:24px 0}:where(#desk-app) #toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,20px);padding:13px 23px;max-width:90%;background:var(--cream);color:var(--bg);border-radius:7px;z-index:100;font-size:12px;opacity:0;transition:all .2s;pointer-events:none}:where(#desk-app) #toast.visible{opacity:1;transform:translate(-50%,0)}:where(#desk-app) .offline{font-size:10px;color:var(--amber)}:where(#desk-app) .noscript{position:fixed;bottom:0;background:var(--cream);color:var(--bg);padding:20px;width:100%;z-index:50}:where(#desk-app) .compare-head{display:flex;justify-content:space-between;font-size:10px;color:var(--text-mid);margin:20px 0}:where(#desk-app) .badge{font:9px monospace;letter-spacing:.04em;color:var(--green);border:1px solid var(--green-deep);border-radius:20px;padding:4px 8px}:where(#desk-app) .success-stamp{font:52px var(--font-accent);width:110px;height:110px;border:1px solid var(--green);border-radius:50%;display:grid;place-items:center;color:var(--green);margin:25px auto;transform:rotate(-12deg)}
@media(min-width:1450px){:where(#desk-app) #desk-main{padding-inline:70px}:where(#desk-app) .hero{min-height:480px}:where(#desk-app) .art{height:450px}:where(#desk-app) .route{gap:25px}}@media(max-width:1100px){:where(#desk-app) .app-shell{grid-template-columns:200px minmax(0,1fr)}:where(#desk-app) .sidebar{width:200px;padding-inline:16px}:where(#desk-app) #desk-main{padding:25px 30px}:where(#desk-app) .topbar{padding-inline:30px}:where(#desk-app) .hero{grid-template-columns:1.1fr 1fr;min-height:410px}:where(#desk-app) h1{font-size:56px}:where(#desk-app) .art{height:350px}:where(#desk-app) .art-tag{font-size:8px;padding:6px}:where(#desk-app) .tag1{left:0}:where(#desk-app) .tag2{right:0}:where(#desk-app) .top-sub{display:none}:where(#desk-app) .route{gap:12px}:where(#desk-app) .route-card p{font-size:9px}:where(#desk-app) footer>span:nth-child(2){display:none}}@media(max-width:800px){:where(#desk-app) .app-shell{display:block}:where(#desk-app) .workspace{width:100%}:where(#desk-app) .sidebar{position:static;width:100%;padding:17px 22px;display:flex;flex-direction:row;align-items:center;gap:20px;border-right:0;border-bottom:1px solid var(--border)}:where(#desk-app) .sidebar .brand-name,:where(#desk-app) .sidebar .product,:where(#desk-app) .sidebar .side-chapters,:where(#desk-app) .sidebar-bottom{display:none}:where(#desk-app) .sidebar .brand-symbol{font-size:26px}:where(#desk-app) .sidebar nav{display:flex;margin-left:auto;gap:4px}:where(#desk-app) .nav-item{padding:9px;font-size:10px;gap:6px;white-space:nowrap}:where(#desk-app) .nav-item>span:first-child{flex-basis:18px;width:18px;font-size:16px}:where(#desk-app) .nav-dot{display:none}:where(#desk-app) .topbar{height:50px;padding:0 24px}:where(#desk-app) .top-title{font-size:10px}:where(#desk-app) .top-separator{display:none}:where(#desk-app) #desk-main{padding:20px 24px 32px}:where(#desk-app) .hero{min-height:410px;grid-template-columns:1fr .9fr;gap:0}:where(#desk-app) h1{font-size:57px}:where(#desk-app) .hero-copy>p{font-size:12px}:where(#desk-app) .art{height:330px;margin-right:-15px}:where(#desk-app) .section-label{font-size:9px}:where(#desk-app) .hero-actions{gap:12px}:where(#desk-app) .promise{font-size:10px}:where(#desk-app) .promise span:last-child{display:none}:where(#desk-app) .route-card h3{font-size:11px}:where(#desk-app) .route{gap:10px}:where(#desk-app) .route-card p{display:none}:where(#desk-app) .route-meta{font-size:8px}:where(#desk-app) .lesson-#desk-app{grid-template-columns:1fr}:where(#desk-app) .lesson-aside{border-left:0;border-top:1px solid var(--border);padding:24px 30px;display:block}:where(#desk-app) .lesson-aside .big-lesson-art{display:none}:where(#desk-app) .lesson-aside h3{margin-top:0}:where(#desk-app) .lesson-aside .honest-note{margin-top:16px}:where(#desk-app) .lesson-#desk-main{padding:28px 30px}:where(#desk-app) .lesson-#desk-main h2{font-size:38px}:where(#desk-app) .portrait-layout{grid-template-columns:1fr}:where(#desk-app) .portrait-layout>.panel:last-child{display:none}:where(#desk-app) .page-heading h1{font-size:48px}:where(#desk-app) footer{padding:18px 24px}:where(#desk-app) .bottom-note{font-size:10px}}
@media(max-width:520px){:where(#desk-app) .sidebar{padding:14px 16px;gap:10px}:where(#desk-app) .sidebar nav{gap:0}:where(#desk-app) .nav-item{font-size:9px;padding:8px}:where(#desk-app) .nav-item>span:first-child{display:none}:where(#desk-app) .topbar{padding:0 20px}:where(#desk-app) #desk-main{padding:18px 20px 28px}:where(#desk-app) .hero{display:flex;flex-direction:column;align-items:stretch;min-height:0}:where(#desk-app) .hero-copy{padding:18px 0 0}:where(#desk-app) h1{font-size:60px;max-width:350px}:where(#desk-app) .hero-copy>p{margin-top:19px;max-width:300px}:where(#desk-app) .hero-actions{margin-top:21px}:where(#desk-app) .art{height:280px;width:100%;margin:0}:where(#desk-app) .tag1{left:5%;top:19%}:where(#desk-app) .tag2{right:3%;top:46%}:where(#desk-app) .tag3{left:10%;bottom:17%}:where(#desk-app) .art-caption{bottom:11px}:where(#desk-app) .promise{line-height:1.75;align-items:start;padding:16px 0}:where(#desk-app) .promise svg{margin-top:3px}:where(#desk-app) .journey-heading{margin-top:26px}:where(#desk-app) .journey-heading h2{font-size:28px}:where(#desk-app) .progress-summary{font-size:9px}:where(#desk-app) .progress-track{width:90px}:where(#desk-app) .route{display:flex;flex-direction:column;margin-top:26px;gap:0}:where(#desk-app) .route:before{left:21px;top:18px;bottom:45px;right:auto;border-left:1px dashed var(--green-deep);border-top:0}:where(#desk-app) .route-card{display:grid;grid-template-columns:44px 1fr auto;column-gap:18px;align-items:center;padding:0 0 27px}:where(#desk-app) .route-node{width:44px;height:44px;margin-bottom:0;grid-row:1/4}:where(#desk-app) .route-card h3{font-size:13px}:where(#desk-app) .route-card p{display:block;font-size:11px;max-width:230px;grid-column:2;line-height:1.65}:where(#desk-app) .route-meta{grid-column:3;grid-row:1/3;font-size:9px;max-width:55px;text-align:right;margin:0}:where(#desk-app) .bottom-note{margin-top:0;flex-direction:column;gap:12px;padding-top:19px}:where(#desk-app) footer{font-size:8px;padding:17px 20px}:where(#desk-app) .notes-grid{grid-template-columns:1fr}:where(#desk-app) .page-heading{padding-top:20px}:where(#desk-app) .page-heading h1{font-size:46px}:where(#desk-app) .panel{padding:20px}:where(#desk-app) .signal-row{font-size:11px;grid-template-columns:.9fr 1.1fr}:where(#desk-app) .lesson-top{padding:16px 20px}:where(#desk-app) .lesson-#desk-main{padding:25px 20px}:where(#desk-app) .lesson-#desk-main h2{font-size:36px}:where(#desk-app) .lesson-actions{padding:16px 20px;gap:8px}:where(#desk-app) .lesson-aside{padding:23px 20px}:where(#desk-app) .lesson-step-count{font-size:9px}:where(#desk-app) #utility-dialog{padding:23px}:where(#desk-app) .utility-head h2{font-size:29px}}
@media(prefers-reduced-motion:reduce){:where(#desk-app) *,:where(#desk-app) *:before,:where(#desk-app) *:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media print{:where(#desk-app) .sidebar,:where(#desk-app) .topbar,:where(#desk-app) footer,:where(#desk-app) .portrait-actions,:where(#desk-app) .page-heading button{display:none}:where(#desk-app) .app-shell{display:block}:where(#desk-app) .workspace{color:#000}#desk-app,:where(#desk-app) #desk-main,:where(#desk-app) .surface-card{background:white;color:#000}:where(#desk-app) #desk-main{padding:0}:where(#desk-app) .signal-row strong{color:#000}}
/* Keep the action within reach while long lesson content scrolls. */
:where(#desk-app) #lesson-content{display:flex;flex-direction:column;max-height:90dvh}:where(#desk-app) .lesson-top,:where(#desk-app) .lesson-actions{flex-shrink:0;background:var(--bg)}:where(#desk-app) .lesson-#desk-app{overflow:auto;min-height:0;max-height:calc(90dvh - 145px)}:where(#desk-app) .lesson-#desk-main{min-width:0}:where(#desk-app) .sidebar{overflow-y:auto}:where(#desk-app) .brand-name{margin-left:2px}
/* The main website owns the header, footer, fonts and button primitives. */
#desk-app{padding-top:73px;font:14px/1.6 var(--font-body);background:var(--bg);color:var(--text);isolation:isolate}
#desk-app .app-shell{min-height:calc(100svh - 73px)}
#desk-app .product{margin-top:12px}
#desk-app .workspace{grid-column:2;grid-row:1}
#desk-app #desk-main{max-width:1550px;margin:auto;padding:35px 48px 40px;min-height:calc(100svh - 73px)}
#desk-app .desk-utilities{display:flex;align-items:center;gap:12px;margin-bottom:20px}
#desk-app .desk-utilities .text-button{width:auto}
#desk-app .product-btn-accent,#desk-app .product-btn-secondary{--button-padding:13px 19px;--button-font-size:12px}
#desk-app .arrival{min-height:calc(100svh - 73px)}
#desk-app.in-arrival #desk-main{padding:0 54px}
#desk-app [hidden]{display:none!important}
#desk-app .settings-back:focus-visible,#desk-app button:focus-visible{scroll-margin-top:90px}
#desk-app dialog{z-index:400}
@media(max-width:1000px){#desk-app .app-shell{grid-template-columns:190px minmax(0,1fr)}#desk-app .sidebar{width:auto;padding:25px 16px}#desk-app #desk-main{padding:28px}#desk-app.in-arrival #desk-main{padding:0 28px}}
@media(max-width:760px){#desk-app{padding-top:73px}#desk-app .app-shell{display:block}#desk-app .sidebar{position:relative;top:0;height:auto;padding:16px 20px;border-right:0;border-bottom:1px solid var(--border)}#desk-app .sidebar .product{display:flex;margin:0 0 15px;font-size:24px}#desk-app .sidebar nav{display:flex;margin:0!important;gap:5px}#desk-app .sidebar .nav-item{padding:8px;font-size:11px}#desk-app .sidebar .side-chapters{display:none}#desk-app .sidebar-bottom{display:none}#desk-app .workspace{display:block}#desk-app #desk-main{padding:24px 20px}#desk-app.in-arrival #desk-main{padding:0 20px}#desk-app .arrival{min-height:calc(100svh - 175px)}#desk-app .arrival-scene{min-height:470px}#desk-app .product-btn-accent,#desk-app .product-btn-secondary{min-height:44px}}
#desk-app .desk-server-content{padding:40px 0}#desk-app .desk-server-content>p{margin:20px 0;color:var(--text-mid)}#desk-app .desk-server-content nav{display:flex;flex-wrap:wrap;gap:15px;margin:25px 0}#desk-app .desk-server-content nav a{color:var(--green)}#desk-app .desk-server-content article{padding:24px 0;border-bottom:1px solid var(--border)}#desk-app .desk-server-content article h2{font:28px var(--font-accent);margin:0 0 16px}#desk-app .desk-server-content article ol{padding-left:20px;margin:16px 0}#desk-app .desk-server-content article a{color:var(--green)}
@media(max-width:760px){#desk-app .sidebar-bottom{display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;padding:12px 0 0;margin:0}#desk-app .sidebar-bottom>p,#desk-app .sidebar-bottom .local-indicator,#desk-app .sidebar-bottom .back-link,#desk-app .sidebar-bottom #replay-opening{display:none}#desk-app .desk-utilities{margin:0;gap:10px}#desk-app .sidebar-bottom #save-open{width:auto;margin-left:auto}#desk-app .sidebar-bottom .top-title{display:none}}

:where(#desk-app) .progress-track [data-progress="0"]{width:0%}
:where(#desk-app) .progress-track [data-progress="1"]{width:20%}
:where(#desk-app) .progress-track [data-progress="2"]{width:40%}
:where(#desk-app) .progress-track [data-progress="3"]{width:60%}
:where(#desk-app) .progress-track [data-progress="4"]{width:80%}
:where(#desk-app) .progress-track [data-progress="5"]{width:100%}
/* Persistent application navigation; the site footer uses the same width token. */
#desk-app .app-shell{display:grid;grid-template-columns:var(--desk-sidebar-width,232px) minmax(0,1fr)}
#desk-app .sidebar{position:fixed;inset:73px auto 0 0;width:var(--desk-sidebar-width,232px);height:calc(100vh - 73px);height:calc(100dvh - 73px);align-self:stretch;flex-direction:column;align-items:stretch;gap:0;overflow-y:auto;overscroll-behavior:contain}
#desk-app .sidebar-bottom{display:flex;flex-direction:column;gap:16px;margin-top:auto;padding-top:24px}
#desk-app .desk-tools{display:grid;gap:9px}
#desk-app .desk-tool{--button-padding:11px 12px;--button-font-size:13px;width:100%;justify-content:flex-start;gap:10px;min-height:44px;background:var(--bg-raised);text-align:left}
#desk-app .desk-tool svg{flex:none}
#desk-app .desk-tool:hover{border-color:var(--green);color:var(--green)}
#desk-app .desk-progress-link{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px;width:100%;font-size:12px}
#desk-app .desk-secondary-tools{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--border);padding-top:12px}
#desk-app .desk-secondary-tools .text-button{width:auto;min-height:36px;font-size:12px}
#desk-app .local-indicator{font-size:10px}
#desk-app dialog{position:fixed;inset:0;margin:auto;max-height:calc(100dvh - 48px);overflow:auto}
#desk-app .signal-before{color:var(--text-dim);display:block}
#desk-app .detected-note{margin-top:8px}
#desk-app .lesson-chapter-name{color:var(--text-dim)}
#desk-app .settings-content{max-width:850px;margin-inline:auto}
#desk-app .settings-page{max-width:1120px}
@media(max-width:760px){#desk-app .app-shell{display:block}#desk-app .sidebar{position:relative;inset:auto;width:auto;height:auto;overflow:visible;padding:18px 20px}#desk-app .sidebar-bottom{display:grid;grid-template-columns:1fr auto;gap:8px 16px;margin:0;padding-top:12px}#desk-app .desk-tools{display:flex;flex-wrap:wrap;gap:8px;grid-column:1/-1}#desk-app .desk-tool{width:auto;flex:1;min-width:155px}#desk-app .desk-progress-link{width:100%;margin:0}#desk-app .desk-secondary-tools{grid-column:1/-1;padding-top:8px}#desk-app .local-indicator{display:none}#desk-app .sidebar-bottom #replay-opening{display:block}#desk-app .sidebar-bottom #save-open{margin:0;width:100%}#desk-app .arrival{min-height:calc(100svh - 290px)}}

/* Readable application navigation across desktop and compact layouts. */
#desk-app .sidebar .nav-item{font-size:14px;line-height:1.5;min-height:44px;white-space:normal}
#desk-app .sidebar .chapter-link{font-size:13px;line-height:1.5;min-height:44px}
#desk-app .sidebar .tiny{font-size:10px;letter-spacing:.08em}
#desk-app .sidebar .eyebrow{font-size:11px}
#desk-app .sidebar .side-chapters,#desk-app .sidebar nav,#desk-app .sidebar-bottom{flex-shrink:0}
#desk-app .desk-secondary-tools{flex-wrap:wrap}
@media(max-width:760px){#desk-app .sidebar .nav-item{font-size:13px}#desk-app .sidebar{height:auto}}

#desk-app .product{align-items:center;gap:12px;line-height:1}
#desk-app .desk-mark{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:0;border-radius:0;font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif CJK JP",serif;font-size:30px;line-height:1;color:var(--green);flex:none}