:root{--ink:#181e2d;--muted:#5e677d;--faint:#7a839a;--line:#dee0e6;--paper:#fff;--bg:#f2f3f6;--brand:#243868;--soft:#e8ebf3;--accent:#7fe8ff;--amber:#976537;--slate:#edeef1;--rail:#141b2c;--radius:16px;--shadow:0 7px 28px rgba(21,44,35,.035)}
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/* Home: one narrative, one next action. */
.home-head{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(285px,1fr);gap:45px;align-items:stretch;margin-bottom:32px}.home-intro{padding:10px 0 0}.home-intro h1{font-size:39px;line-height:1.48;margin:12px 0 15px;letter-spacing:-.055em}.home-intro .lead{font-size:13px;max-width:490px;margin-bottom:14px}.home-intro .eyebrow{margin-bottom:16px}.program-hero{position:relative;background:var(--rail);color:white;border-radius:16px;padding:25px 27px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between}.program-hero:after{content:'';width:240px;height:240px;position:absolute;right:-122px;top:-103px;border:1px solid #495778;border-radius:50%;box-shadow:0 0 0 25px #252f46,0 0 0 26px #3c4760;opacity:.5;pointer-events:none}.program-head{display:flex;justify-content:space-between;position:relative;z-index:1}.program-head span{font:11px/1.5 Arial,sans-serif;letter-spacing:.1em;color:#b9c1d3}.program-hero h2{margin:12px 0 6px;font-size:19px;letter-spacing:.01em}.program-hero p{font-size:11px;color:#b8becd;margin:0}.program-metrics{display:flex;gap:29px;margin:23px 0 20px}.program-metrics strong{font:400 26px/1 Arial,sans-serif;color:#dfe5f4;letter-spacing:-.03em}.program-metrics strong i{font:400 11px/1 Arial,sans-serif;color:#b4bbcc;font-style:normal;padding-left:3px}.program-metrics small{font-size:10px;color:#a8afc0;display:block;margin-top:6px}.program-hero .btn{width:100%;min-height:39px;padding:10px;font-size:11px}.program-hero .btn .ico{margin-left:auto}.program-hero .btn span{flex:1}.step-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:34px}.step-link{display:flex;gap:17px;align-items:center;padding:20px 20px 20px 0;position:relative}.step-link+.step-link{border-left:1px solid var(--line);padding-left:24px}.step-index{font:400 22px/1 Arial,sans-serif;color:#78829a;letter-spacing:-.04em}.step-link strong{display:block;font-size:12px;font-weight:600}.step-link small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.step-link .ico{width:15px;height:15px;margin-left:auto;color:#68738b}.step-link:hover strong{color:var(--brand)}.map-frame{background:white;border:1px solid var(--line);border-radius:15px;overflow:hidden;box-shadow:var(--shadow)}.map-topline{padding:17px 23px 0;display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.map-topline b{color:var(--brand);font-weight:500}.mapwrap{overflow-x:auto;overscroll-behavior-x:contain}.mapwrap svg{width:100%;min-width:800px;display:block;height:auto}.mapwrap a:hover .map-node-box,.mapwrap a:focus .map-node-box{stroke:#53607e;stroke-width:2}.mapwrap a:hover .tcu-box{fill:#1b294a}.map-note{font-size:10px;line-height:1.8;color:var(--muted);margin:0;padding:12px 24px 15px;border-top:1px solid #e9ebef;display:flex;align-items:center;gap:10px}.map-note .ico{width:14px;height:14px}.map-note span{flex:1}.map-note a{white-space:nowrap;color:var(--brand);text-decoration:underline}.home-lower{display:grid;grid-template-columns:1.1fr 1fr;gap:20px;margin-top:25px}.resource-entry{display:flex;align-items:center;gap:15px;padding:20px 23px;background:white;border:1px solid var(--line);border-radius:12px}.resource-entry .entry-icon{width:40px;height:40px;display:grid;place-items:center;background:var(--soft);border-radius:10px;color:var(--brand)}.resource-entry h3{margin:0;font-size:13px}.resource-entry p{font-size:11px;margin:2px 0 0;color:var(--muted)}.resource-entry>.ico{margin-left:auto;color:#8a92a6;width:17px}
/* Topic + quest catalogue */
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/* Focus quiz */
.focus-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:20px}.focus-title h1{font-size:24px;margin:3px 0 0}.focus-title .eyebrow{margin:0}.focus-title .meta{margin:0}.quest-workspace{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:22px;align-items:start}.question-panel{padding:30px 32px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.question-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:23px}.question-count{font:400 27px/1.2 Arial,sans-serif;letter-spacing:-.035em}.question-count small{font:400 12px/1.5 Arial,sans-serif;color:var(--faint);letter-spacing:0}.review-mark{background:none;border:0;color:var(--muted);display:flex;align-items:center;gap:7px;padding:7px;font-size:11px;min-height:36px}.review-mark.marked{color:#997341;background:#faf4e4;border-radius:5px}.review-mark .ico{width:15px;height:15px}.question-panel fieldset{border:0;padding:0;margin:0;min-width:0}.question-panel legend{font-size:19px;line-height:1.85;font-weight:600;padding:0;letter-spacing:-.015em;width:100%;margin-bottom:16px}.question-mode{display:flex;gap:9px;align-items:center;flex-wrap:wrap;font-size:11px;color:var(--muted);margin-bottom:23px}.question-mode strong{font-weight:400}.option{position:relative;display:flex;gap:13px;align-items:flex-start;padding:16px 16px;border:1px solid #dbdee6;border-radius:9px;margin:11px 0;cursor:pointer;transition:background .15s,border-color .15s;line-height:1.8;min-height:66px}.option:hover{border-color:#939db4;background:#f6f8fc}.option:has(input:checked){background:#e5eaf5;border-color:#647292}.option input{position:absolute;opacity:0;width:22px;height:22px;left:16px;top:18px}.option:has(input:focus-visible){outline:3px solid #8090b7;outline-offset:2px}.choice-letter{display:grid;place-items:center;width:28px;height:28px;flex:0 0 28px;border:1px solid #cbcfda;background:#fff;border-radius:50%;font:500 12px/1 Arial,sans-serif;margin-top:1px;color:#565f73}.option.multiple .choice-letter{border-radius:6px}.option:has(input:checked) .choice-letter{background:#323f5e;border-color:#323f5e;color:white}.choice-text{font-size:13px;margin-top:2px;flex:1}.chosen-tick{opacity:0;color:#3c4c70;margin:5px 0 0;flex:none}.chosen-tick .ico{width:16px;height:16px}.option:has(input:checked) .chosen-tick{opacity:1}.question-bottom{display:flex;gap:12px;justify-content:space-between;align-items:center;margin-top:28px;padding-top:23px;border-top:1px solid var(--line)}.question-bottom .small-note{margin:0;font-size:10px;flex:1;text-align:center}.question-bottom .btn{font-size:11px;min-width:110px;padding:11px 14px}.question-side{padding:22px 19px;background:#fff;border:1px solid var(--line);border-radius:14px}.question-side h3{font-size:12px;margin-bottom:18px}.answer-metric{display:flex;align-items:baseline;gap:7px}.answer-metric strong{font:400 30px/1 Arial,sans-serif;color:var(--brand)}.answer-metric span{font:11px/1.5 sans-serif;color:var(--muted)}.progress-track{height:5px;background:#e8ebf1;border-radius:3px;overflow:hidden;margin:14px 0 20px}.progress-track span{display:block;height:100%;background:#5a6c96;border-radius:3px;transition:width .2s}.question-jumps{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin:0 0 15px}.question-jumps button{display:grid;place-items:center;height:34px;background:#fff;border:1px solid var(--line);border-radius:5px;font:400 11px/1 Arial,sans-serif;position:relative;padding:0}.question-jumps button.answered{background:#e2e7f3;border-color:#bbc5db;color:#2c3958}.question-jumps button.current{border:2px solid #39496d;color:#24304d;font-weight:700}.question-jumps button.marked:after{content:'';position:absolute;width:5px;height:5px;border-radius:50%;right:3px;top:3px;background:#b6914e}.grid-legend{display:flex;gap:11px;flex-wrap:wrap;font-size:9px;color:var(--muted);margin-bottom:20px}.grid-legend span{display:flex;gap:5px;align-items:center}.grid-legend i{width:7px;height:7px;background:#ccd5e9;border-radius:2px}.grid-legend span:last-child i{background:#b6914e}.question-side .pass-rule{border-top:1px solid var(--line);padding-top:17px;font-size:11px;color:var(--muted)}.pass-rule strong{display:block;font:500 22px/1.5 Arial,sans-serif;color:var(--ink);margin-top:3px}.pass-rule strong small{font:11px/1.5 sans-serif;font-weight:400;margin-left:4px;color:var(--muted)}.question-side .btn{width:100%;font-size:11px;padding:11px 8px;margin-top:19px}.quiet-note{font-size:10px;color:var(--muted);display:flex;align-items:flex-start;gap:7px;margin:17px 0;line-height:1.9}.quiet-note .ico{width:14px;height:14px;margin-top:2px}.quest-footer{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:var(--muted);margin-top:19px;gap:16px}.quest-footer a{text-decoration:underline}.review-summary{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.review-summary>div{background:#eff1f7;border:1px solid var(--line);padding:18px;border-radius:8px}.review-summary strong{display:block;font:400 27px/1.4 Arial,sans-serif}.review-summary small{font-size:11px;color:var(--muted)}.review-list{max-height:280px;overflow:auto;margin-top:12px;border-top:1px solid var(--line)}.review-row{display:flex;gap:12px;padding:13px 4px;border-bottom:1px solid var(--line);font-size:12px;align-items:center}.review-row>span:first-child{color:var(--brand);width:24px}.review-row .review-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.review-row button{border:0;background:none;color:var(--brand);font-size:11px;text-decoration:underline;min-height:30px}
/* Learning article */
.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 242px;gap:25px;align-items:start}.lesson-article{padding:32px 36px}.lesson-article h2{font-size:20px;margin-top:37px;scroll-margin-top:20px}.lesson-article p{font-size:13px;line-height:2.1}.lesson-article .lesson-goal{display:flex;gap:14px;padding-bottom:24px;border-bottom:1px solid var(--line)}.lesson-goal>.ico{color:var(--brand);margin-top:4px}.lesson-goal strong{display:block;font-size:12px;color:var(--brand);margin-bottom:6px}.lesson-goal p{margin:0;font-size:13px}.quote-box{font-size:20px!important;line-height:1.8!important;background:var(--rail);color:#e7ebf5;border-radius:10px;padding:23px 25px;margin:20px 0!important;position:relative}.quote-box span{display:block;font:9px/1.5 Arial,sans-serif;color:#aab4cc;letter-spacing:.15em;margin-bottom:9px}.lesson-check{display:flex;gap:14px;padding:17px 0;border-bottom:1px solid var(--line)}.lesson-check .check-index{font:400 11px/1.8 Arial,sans-serif;color:var(--brand);background:var(--soft);border-radius:4px;padding:3px 7px;height:26px;margin-top:2px}.lesson-check strong{font-size:13px}.lesson-check p{font-size:12px;color:var(--muted);margin:3px 0 0}.lesson-toc{position:sticky;top:22px;background:white;border:1px solid var(--line);border-radius:14px;padding:22px}.lesson-toc h3{font-size:12px}.lesson-toc a.toc-link{display:block;font-size:11px;padding:9px 0;color:var(--muted)}.lesson-toc a.toc-link:hover{color:var(--brand)}.lesson-toc .term-pills{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 0}.term-pills button{border:1px solid #cdd2df;border-radius:5px;background:#f4f6fa;padding:5px 9px;font-size:11px;color:var(--brand);min-height:34px}.lesson-toc hr{border:0;border-top:1px solid var(--line);margin:19px 0}.learning-meta{display:flex;gap:18px;align-items:center;font-size:11px;color:var(--muted);margin-bottom:26px}.learning-meta .ico{width:14px;height:14px}.lesson-heading h1{font-size:31px}.lesson-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:25px;margin-top:26px;border-top:1px solid var(--line)}
/* Result */
.result-hero{display:grid;grid-template-columns:180px minmax(0,1fr);gap:32px;align-items:center;padding:34px;background:var(--rail);color:#e7ebf5;border-radius:16px;margin-bottom:24px}.result-hero.is-fail{background:#fbf6ed;color:#614e2d;border:1px solid #e4d7bf}.result-ring{width:155px;height:155px;position:relative}.result-ring svg{width:100%;height:100%;transform:rotate(-90deg)}.result-ring .ring-number{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;font:400 45px/1.1 Arial,sans-serif;letter-spacing:-.05em}.ring-number small{font:10px/1.8 sans-serif;letter-spacing:0;margin-top:8px;opacity:.7}.result-hero .eyebrow{color:#a8b8dd;margin-bottom:10px}.result-hero .eyebrow:before{background:#a8b8dd}.result-hero.is-fail .eyebrow{color:#8c744b}.result-hero.is-fail .eyebrow:before{background:#8c744b}.result-hero h1{font-size:29px;margin:0 0 12px}.result-hero p{font-size:12px;opacity:.8;margin:0}.result-stats{display:flex;gap:28px;font-size:12px;margin-top:18px}.result-stats strong{font:400 24px/1.5 Arial,sans-serif;display:block}.result-stats small{font-size:10px;opacity:.7}.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}.quest-explanation{background:white;border:1px solid var(--line);border-radius:9px;padding:18px 22px;margin:12px 0;font-size:12px}.quest-explanation.is-wrong{border-left:3px solid #b8975a}.quest-explanation summary{font-size:12px;font-weight:500}.quest-explanation p{font-size:12px;margin-top:14px;margin-bottom:12px}.choice-reasons p{padding:13px 0;border-top:1px solid var(--line);margin:0}.result-review-head{display:flex;gap:18px;align-items:center;justify-content:space-between;margin-top:30px}.result-review-head h2{margin:0}.history-empty{display:flex;align-items:center;gap:15px;padding:22px 0;color:var(--muted);font-size:12px}.history-empty .ico{color:#848da3}.preview-banner{display:flex;align-items:center;gap:9px;padding:12px 16px;background:#eceef3;border-radius:8px;color:var(--muted);font-size:10px;margin-bottom:20px}.preview-banner .ico{width:15px;height:15px}.preview-banner a{margin-left:auto;white-space:nowrap;text-decoration:underline}
/* Dialogs, auth */
dialog{border:1px solid var(--line);border-radius:16px;padding:0;width:min(640px,calc(100vw - 32px));max-height:85vh;color:var(--ink);box-shadow:0 22px 100px #18203333;background:white}dialog::backdrop{background:#11182966;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:21px 26px;border-bottom:1px solid var(--line)}.dialog-head h2{font-size:19px;margin:0}.dialog-body{padding:24px 26px;max-height:65vh;overflow:auto;font-size:13px}.dialog-body p{line-height:2}.dialog-body .actions{justify-content:flex-end}.dialog-body .meta{font-size:11px}.dialog-head .icon-button{min-width:36px}.help-spec{border-top:1px solid var(--line);padding-top:14px;margin-top:20px}.help-spec p{font-size:12px;color:var(--muted);margin-bottom:9px}.auth-layout{display:grid;grid-template-columns:1.1fr 1fr;max-width:970px;min-height:550px;margin:35px auto;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:white}.auth-story{padding:45px;background:var(--rail);color:#e4e9f6;display:flex;flex-direction:column;justify-content:space-between}.auth-story .brand{padding:0}.auth-story h2{font-size:31px;line-height:1.65;font-weight:500;margin:35px 0 18px}.auth-story p{font-size:12px;color:#b6bccb}.auth-lines{display:flex;gap:10px;color:#a8b6d6;font-size:10px}.auth-lines span{border:1px solid #414c65;border-radius:5px;padding:5px 10px}.auth-form{padding:45px 35px;display:flex;flex-direction:column;justify-content:center}.auth-form h1{font-size:25px}.auth-form .btn{width:100%}.auth-form .field{margin-top:10px}
@media(min-width:1600px){.home-intro h1{font-size:44px}.home-head{gap:70px}.program-hero{padding:29px 32px}.program-metrics{gap:45px}.mapwrap svg{max-height:540px}.quest-workspace{grid-template-columns:minmax(0,1fr) 265px}.question-panel{padding:37px 40px}.question-side{padding:25px}}
@media(max-width:1200px){.sidebar{width:210px;padding-left:12px;padding-right:12px}.workspace{margin-left:210px}.topbar{padding:0 28px;gap:15px}main{padding:30px 28px 50px}.site-footer{padding-left:28px;padding-right:28px}.home-intro h1{font-size:34px}.home-head{gap:25px;grid-template-columns:1.25fr 1fr}.program-hero{padding:24px}.program-metrics{gap:23px}.program-metrics strong{font-size:25px}.step-link{gap:10px}.step-link+.step-link{padding-left:16px}.step-link strong{font-size:11px}.header-search{width:220px}.top-location{font-size:11px}.quest-workspace{grid-template-columns:minmax(0,1fr) 210px;gap:18px}.question-panel{padding:25px 24px}.question-side{padding:21px 15px}.question-panel legend{font-size:17px}.question-jumps{gap:5px}.lesson-layout{grid-template-columns:minmax(0,1fr) 210px}.lesson-article{padding:28px}.focus-title h1{font-size:22px}}
@media(max-width:980px){.sidebar{width:200px}.workspace{margin-left:200px}.header-search{width:190px}.top-location{display:none}.home-head{grid-template-columns:1fr;gap:20px}.home-intro h1{font-size:37px}.program-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:10px 20px}.program-hero>div:nth-child(2){grid-column:1}.program-head{grid-column:1 / -1}.program-metrics{margin:13px 0 6px}.program-hero .btn{grid-column:2;grid-row:2 / 4;align-self:end}.step-strip{margin-top:24px}.step-link .ico{display:none}.home-lower{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.quest-workspace{grid-template-columns:1fr}.question-side{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.question-side h3{grid-column:1}.question-side .question-jumps{grid-column:2;grid-row:1 / 5}.question-side .progress-track{grid-column:1}.question-side .grid-legend{grid-column:2}.question-side .pass-rule{grid-column:1;border:0;padding-top:0}.question-side .btn{grid-column:2;margin:0;align-self:end}.question-side .quiet-note{grid-column:1 / -1;margin-bottom:0}.question-panel legend{font-size:20px}.lesson-layout{grid-template-columns:1fr}.lesson-toc{position:static;display:block}.lesson-toc .toc-link{display:inline-block!important;margin-right:15px}.topic-banner aside{max-width:260px}.topic-emblem{display:none}.trace{grid-template-columns:repeat(2,minmax(0,1fr))}.trace-node:after{display:none}.auth-layout{grid-template-columns:1fr}.auth-story{display:none}.auth-form{padding:40px}.overview-stages{gap:14px}}
@media(max-width:767px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:232px}.workspace{margin-left:0}.sidebar.open{transform:translateX(0)}body.menu-open .overlay{display:block}.menu-button{display:grid}.topbar{height:65px;padding:0 19px;gap:12px}.header-search{margin-left:0;flex:1;width:auto}.header-search input{font-size:11px}.header-search kbd{display:none}.demo-label{font-size:9px}.topbar>.icon-button:not(.menu-button){display:none}main{padding:25px 20px 40px}h1{font-size:29px}.home-intro{padding:0}.home-intro h1{font-size:34px}.home-intro .eyebrow{font-size:9px}.home-intro .lead{font-size:12px}.program-hero{padding:22px;display:flex;gap:0}.program-head span{font-size:9px}.program-hero h2{font-size:18px}.program-hero .btn{font-size:11px;min-height:44px}.program-metrics{gap:40px;margin:20px 0}.program-metrics strong{font-size:28px}.home-head{margin-bottom:24px}.step-strip{grid-template-columns:1fr;margin-top:0;margin-bottom:29px}.step-link{padding:15px 0;gap:17px}.step-link+.step-link{border-left:0;border-top:1px solid var(--line);padding-left:0}.step-link strong{font-size:12px}.step-link .ico{display:block}.step-index{font-size:19px}.step-link small{font-size:10px}.section-head{gap:12px;align-items:flex-start}.section-head h2{font-size:18px}.section-head p{font-size:11px}.section-head>.chip{font-size:9px}.map-topline{padding:15px 17px 3px;gap:12px}.map-note{padding:12px 16px;font-size:9px;align-items:flex-start}.map-note a{display:none}.map-note .ico{margin-top:3px}.home-lower{gap:12px;margin-top:17px}.resource-entry{padding:18px}.site-footer{padding:0 20px 23px;display:block}.site-footer span{display:block}.site-footer span:last-child{text-align:left;margin-top:6px}.panel{padding:23px 20px;border-radius:12px}.tabs{gap:27px;margin-top:18px}.topic-banner{padding:25px;display:block}.topic-banner h1{font-size:48px}.topic-banner aside{max-width:none;border-top:1px solid #454d5f;margin-top:18px;padding-top:17px}.topic-banner aside strong{font-size:14px}.topic-banner aside p{font-size:11px}.overview-stages{grid-template-columns:1fr;gap:6px}.catalog-info{flex-wrap:wrap;gap:16px}.quest-feature{grid-template-columns:1fr;padding:23px;gap:19px}.quest-feature aside{flex-direction:row;justify-content:space-between;gap:20px}.quest-feature .quest-emblem{width:40px;height:40px}.quest-feature .quest-emblem .ico{width:21px}.quest-feature h3{font-size:17px}.quest-feature .mini-meta{gap:18px}.catalog-row{grid-template-columns:25px 1fr;gap:7px 11px;padding:17px 0}.catalog-row h3{font-size:12px}.catalog-row .row-right{grid-column:2;gap:12px}.catalog-row .row-right .meta{display:none}.quest-metrics{gap:22px;margin:20px 0}.quest-metrics strong{font-size:35px}.quest-metrics strong span{font-size:10px}.quest-metrics small{font-size:10px}.quiz-format-guide{font-size:10px;gap:8px 16px}.focus-title{display:block;margin-bottom:20px}.focus-title h1{font-size:20px;margin-top:8px}.focus-title .meta{font-size:10px;margin-top:8px}.question-panel{padding:22px 19px}.question-panel legend{font-size:17px;line-height:1.9}.question-top{margin-bottom:23px}.question-mode{font-size:10px;gap:8px;margin-bottom:20px}.choice-text{font-size:13px;line-height:1.9}.option{padding:15px 13px;gap:10px}.choice-letter{width:25px;height:25px;flex-basis:25px;font-size:11px;margin-top:3px}.chosen-tick{display:none}.question-bottom{gap:9px;flex-wrap:wrap}.question-bottom .btn{min-width:106px;font-size:11px}.question-bottom .small-note{order:3;flex-basis:100%;margin-top:7px}.question-side{grid-template-columns:1fr;gap:0;padding:23px}.question-side h3,.question-side .answer-metric,.question-side .progress-track,.question-side .question-jumps,.question-side .grid-legend,.question-side .pass-rule,.question-side .btn,.question-side .quiet-note{grid-column:1;grid-row:auto}.question-side .question-jumps{grid-template-columns:repeat(5,1fr);gap:9px}.question-jumps button{height:44px}.question-side .pass-rule{border-top:1px solid var(--line);padding-top:14px}.question-side .btn{margin-top:16px}.quest-footer{display:block}.quest-footer a{display:block;margin-top:7px}.lesson-heading h1{font-size:26px}.lesson-article{padding:25px 21px}.lesson-article h2{font-size:18px}.quote-box{font-size:17px!important;padding:21px}.lesson-footer{align-items:stretch;flex-direction:column}.lesson-footer .btn{width:100%}.learning-meta{gap:12px;font-size:10px}.result-hero{padding:27px 23px;grid-template-columns:1fr;gap:20px}.result-ring{width:126px;height:126px;margin:auto}.result-hero h1{font-size:25px}.result-hero .eyebrow{font-size:9px}.result-stats{gap:23px}.result-stats strong{font-size:22px}.result-actions .btn{flex:1}.result-review-head{flex-wrap:wrap}.result-review-head h2{font-size:19px}.quest-explanation{padding:16px}.quest-explanation summary{font-size:12px}.preview-banner{font-size:9px;gap:7px;align-items:flex-start}.preview-banner>.ico{margin-top:3px}.preview-banner a{display:none}.row{flex-wrap:wrap;padding:17px 0}.row .btn{margin-left:auto}.row .body{min-width:160px}.split-field{grid-template-columns:1fr 114px}.term{padding:19px}.term h3{font-size:14px}.term .abbr{display:block}.auth-layout{margin:10px auto}.auth-form{padding:30px 25px}.dialog-head{padding:18px 21px}.dialog-body{padding:21px}.dialog-head h2{font-size:17px}.review-summary{gap:10px}.review-row{font-size:11px}.construction{padding:45px 23px;margin:20px 0}.construction h1{font-size:25px}.construction .actions .btn{width:100%}.small-note{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}@media print{.sidebar,.topbar,.site-footer,.overlay{display:none}.workspace{margin:0}main{padding:0}.panel,.question-panel{box-shadow:none;break-inside:avoid}}
@media(max-width:767px){.sidebar:not(.open){visibility:hidden;pointer-events:none}.sidebar.open{visibility:visible}}
.workspace-context{border-left:1px solid var(--line);padding-left:18px;font-size:10px;white-space:nowrap;line-height:1.6;color:var(--muted)}.workspace-context>span{font-size:8px;letter-spacing:.06em;display:block;color:var(--faint)}.workspace-context strong{font-weight:500}.topbar .header-search{max-width:245px}.topbar .top-location{font-size:10px}.topbar{gap:17px}@media(max-width:1200px){.workspace-context{padding-left:13px;font-size:9px}.topbar .header-search{width:190px}.topbar{gap:13px}}@media(max-width:980px){.workspace-context{border-left:0;padding-left:0}}@media(max-width:767px){.topbar{height:auto;min-height:93px;padding:12px 19px 8px;flex-wrap:wrap;gap:7px 12px;align-content:center}.topbar .header-search{max-width:none}.workspace-context{order:5;flex-basis:100%;display:flex;align-items:center;gap:10px;font-size:9px}.workspace-context>span{font-size:8px}.topbar .demo-label{font-size:9px}.topbar .menu-button{width:35px;min-width:35px}}
/* v2.5 visual language: the attached reference's navy, blue and cyan. */
:root{--ink:#161d30;--muted:#62708a;--faint:#7f8aa2;--line:#dce2ed;--paper:#fff;--bg:#f5f7fc;--brand:#123de1;--soft:#edf2fd;--accent:#7fe8ff;--rail:#071033;--radius:11px;--shadow:0 6px 25px rgba(7,16,51,.025)}
body{letter-spacing:.01em}.sidebar{background:#071033}.nav-link{border-radius:5px;color:#b9c6e4}.nav-label{color:#8294bd}.nav-link.active{background:#17264f;color:#7fe8ff;box-shadow:inset 3px 0 #35d2f0}.nav-link.active:after{background:#7fe8ff}.brand-symbol{background:#35d2f0;border-radius:7px}.brand-type small,.side-note{color:#a7b8dc}.side-note{border-color:#27365c;background:#0b1637}.profile{border-color:#26365d}.profile small{color:#9aaccd}.avatar{background:#192b54}.topbar{background:#fff}.btn{border-radius:5px}.btn:hover{background:#001e78}.btn.secondary:hover{background:#f3f6fd;border-color:#91a6d6}.btn.lime{background:#7fe8ff;color:#071033}.btn.lime:hover{background:#b1f0ff}.panel,.question-panel{border-radius:11px}.callout{background:#edf2fd;border-left-color:#315bea}.chip.live{background:#eaf3fc;color:#0f4486}.chip.multi-chip{background:#f0edfc;color:#594aa1}
.home-head{grid-template-columns:minmax(0,1.5fr) minmax(290px,.9fr);gap:50px;margin-bottom:26px}.home-intro{padding:2px 0 0}.home-intro h1{font-size:38px;line-height:1.5;letter-spacing:-.04em;margin:8px 0 14px}.home-intro .lead{font-size:13px;margin-bottom:7px}.home-intro .eyebrow{font-size:9px;margin-bottom:10px}.program-hero{background:white;color:var(--ink);border:1px solid #dce2ed;border-top:3px solid #0c27f4;border-radius:8px;padding:22px 25px;box-shadow:var(--shadow)}.program-hero:after{display:none}.program-head span{color:#7684a4;font-size:9px}.program-hero h2{font-size:17px;margin:13px 0 5px}.program-hero p{color:var(--muted);font-size:10px}.program-metrics{margin:18px 0;gap:30px}.program-metrics strong{color:#001e78;font-size:28px}.program-metrics strong i,.program-metrics small{color:var(--muted)}.program-metrics small{font-size:9px}.program-hero .btn{min-height:43px;font-size:11px}.step-strip{margin-bottom:29px}.step-index{color:#7d90bc}.step-link{padding-top:17px;padding-bottom:17px}.section-head h2{font-size:23px}
.vehicle-stage{background:#071033;color:#edf3ff;border:1px solid #1c2c59;border-radius:12px;overflow:hidden;position:relative;isolation:isolate;box-shadow:0 15px 38px #0710330e}
.vehicle-stage:before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(ellipse at 35% 74%,#0d33543d,transparent 60%),radial-gradient(ellipse at 98% 0%,#1e2c651f,transparent 44%)}
.vehicle-stage-top{display:flex;justify-content:space-between;gap:15px;padding:21px 27px 16px;color:#a4b5db;font:500 10px/1.7 Arial,sans-serif;letter-spacing:.11em}.vehicle-stage-top>span{display:flex;align-items:center;gap:9px}.vehicle-stage-top>span:last-child{font-family:inherit;font-size:11px;letter-spacing:.01em;color:#96abcd}.vehicle-stage-top i{width:5px;height:5px;background:#35d2f0;border-radius:50%}.vehicle-stage-top .ico{width:14px;height:14px}
.vehicle-security{display:flex;align-items:center;gap:13px;padding:12px 17px;margin:0 27px;border:1px solid #30456f;border-radius:5px;background:#1a2a4c66;color:#b9cef1;font-size:11px;min-height:47px}.vehicle-security>.ico{width:17px;height:17px;color:#7fe8ff}.vehicle-security strong{color:#def5ff;font-size:12px;font-weight:500}.vehicle-security>span{color:#94a9cf}.vehicle-security small{margin-left:auto;white-space:nowrap;font-size:10px;color:#b4c7e9;display:flex;align-items:center;gap:8px}.vehicle-security small .ico{width:13px;height:13px}.vehicle-security:hover,.vehicle-security:focus-visible{background:#1d3459;border-color:#7fe8ff}
.vehicle-diagram{margin-top:-42px;pointer-events:none}.vehicle-diagram a{pointer-events:all}.vm-svg{display:block;width:100%;height:auto;overflow:visible}.vm-svg-desktop{margin-bottom:-22px}.vm-svg-mobile{display:none}.vm-metal{fill:none;stroke:#8194c6;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.vm-body{fill:#15264688;stroke:#9bb0d7;stroke-width:2.1}.vm-window{fill:#7894c515;stroke:#5972a450;stroke-width:1}.vm-detail{stroke:#536d9c;stroke-width:1.5}.vm-spoke{stroke:#6581ad;stroke-width:1.4}.vm-air{fill:none;stroke:#35d2f0;stroke-width:2;stroke-linecap:round}.vm-boundary{stroke:#40547c;stroke-dasharray:3 8;stroke-width:1;opacity:.8}.vm-zone-label{fill:#79cde9;font:600 14px/1 Arial,sans-serif;letter-spacing:1.5px}.vm-zone-label tspan{fill:#91a8cd;font-size:12px}.vm-zone-caption{font:600 14px/1 Arial,sans-serif;fill:#7e95be;letter-spacing:2px}.vm-zone-caption tspan{letter-spacing:.3px}
.vm-node{cursor:pointer}.vm-node-box{fill:#142446;stroke:#5c76a7;stroke-width:1.4;transition:fill .15s,stroke .15s}.vm-node-title{fill:#fff;font-size:23px;font-weight:600;letter-spacing:-.25px}.vm-node-sub{fill:#b2c4e5;font-size:12px}.vm-node-status{fill:#91a8cf;font-size:11px}.vm-state-dot{fill:#91a8cf}.vm-node-arrow{fill:none;stroke:#a5efff;stroke-width:1.6}.vm-node:hover .vm-node-box,.vm-node:focus-visible .vm-node-box{stroke:#7fe8ff;stroke-width:2;fill:#1c345a}.vm-live .vm-node-box{fill:#124766;stroke:#52e1fd;stroke-width:2}.vm-live .vm-node-title{font-size:29px;fill:#fff}.vm-live .vm-node-sub{fill:#c5eefa}.vm-live .vm-node-status{fill:#a2f0ff}.vm-live .vm-state-dot{fill:#7fe8ff}.vm-live:hover .vm-node-box,.vm-live:focus-visible .vm-node-box{fill:#176386;stroke:#b0f3ff}.vm-svg a:focus-visible{outline:none}.vm-wire-box{fill:#101f40;stroke:#536d99;stroke-width:1.2}.vm-wire text{fill:#c0d2ee;font-size:13px;font-weight:500}.vm-wire:hover .vm-wire-box,.vm-wire:focus-visible .vm-wire-box{fill:#203a5f;stroke:#7fe8ff;stroke-width:2}.vm-path{fill:none;stroke:#4f9ebb;stroke-width:1.8}.vm-static-line{stroke:#5675a4;stroke-width:1.3}.vm-connectors .vm-network,.vm-connectors .vm-app{stroke:#35d2f0;stroke-dasharray:5 6;opacity:.65}.vm-network-label{fill:#83c8e5;font-size:13px;letter-spacing:.8px}.vm-hit{fill:transparent;stroke:transparent;stroke-width:1.5;transition:fill .15s,stroke .15s}.vm-external:hover .vm-hit,.vm-external:focus-visible .vm-hit{fill:#1b325040;stroke:#52739c}.vm-ext-title{font:600 23px Arial,sans-serif;fill:#eff6ff}.vm-ext-sub{font-size:15px;fill:#bbcff0}.vm-ext-status{font-size:12px;fill:#8ca7d0}.vm-cloud-shape{fill:#15294a;stroke:#839ed0;stroke-width:1.8}.vm-pulse{pointer-events:none;display:none}.vehicle-stage[data-motion=true] .vm-pulse{display:block}.vehicle-stage[data-flow=all] .vm-down{display:none}.vehicle-stage[data-flow=upload] .vm-down,.vehicle-stage[data-flow=upload] .vm-app{display:none}.vehicle-stage[data-flow=remote] .vm-up{display:none}.vehicle-stage[data-flow=remote] .vm-internal{stroke:#95eaff}.vehicle-stage[data-flow=management] .vm-app,.vehicle-stage[data-flow=management] .vm-internal{opacity:.16}.vehicle-stage[data-flow=management] .vm-internal.vm-pulse{display:none}
.vehicle-flowbar{border-top:1px solid #26365b;padding:16px 25px;display:flex;gap:15px;align-items:center;flex-wrap:wrap;background:#0a153466}.flowbar-label{font-size:10px;color:#9dafd2;white-space:nowrap}.vehicle-flow-buttons{display:flex;gap:6px;flex-wrap:wrap}.vehicle-flow-buttons button{font-size:11px;min-height:35px;padding:7px 13px;border:1px solid transparent;background:transparent;border-radius:4px;color:#c2d1ed;line-height:1.5}.vehicle-flow-buttons button:hover{background:#1e3155}.vehicle-flow-buttons button.active{background:#193b59;border-color:#4087a9;color:#a7f0ff}.motion-button{background:none;border:0;color:#9bbada;font-size:10px;min-height:35px;margin-left:auto;padding:7px 0}.motion-button:hover{color:#baf2ff}.vehicle-flow-explanation{border-top:1px solid #1d2d51;padding:17px 26px 20px;display:flex;gap:15px;align-items:baseline}.vehicle-flow-explanation strong{font-size:11px;font-weight:500;white-space:nowrap;color:#dbedff}.vehicle-flow-explanation span{color:#9cb3da;font-size:11px;line-height:1.9}.vehicle-map-caution{display:flex;gap:8px;font-size:10px;color:#78839a;line-height:1.8;margin:14px 0 0}.vehicle-map-caution .ico{width:14px;height:14px;flex:none;margin-top:2px}.vehicle-mobile-links{font-size:11px;margin-top:16px}.vehicle-mobile-links summary{font-weight:500;color:#344e7d;min-height:30px}.vehicle-mobile-links summary>span{font-size:10px;color:var(--muted)}.vehicle-topic-links{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:14px}.vehicle-topic-links a{background:white;display:flex;flex-direction:column;gap:4px;padding:12px 14px;border:1px solid var(--line);border-radius:5px;min-height:63px}.vehicle-topic-links strong{font-size:12px;font-weight:500}.vehicle-topic-links span{font-size:10px;color:var(--muted)}.vehicle-topic-links a:hover{border-color:#123de1}.vehicle-topic-links .is-live{background:#eef7ff;border-color:#75bed9;color:#0b3f73}.vehicle-topic-links .is-live span{color:#0b5e85}
.option:has(input:checked){background:#edf3ff;border-color:#315bea}.option:has(input:checked) .choice-letter{background:#173fd1;border-color:#173fd1}.option:has(input:checked) .chosen-tick{color:#123de1}.option:has(input:focus-visible){outline-color:#447fe0}.progress-track span{background:#1d51dd}.question-jumps button.answered{background:#eaf0fd;border-color:#bccded;color:#234681}.question-jumps button.current{border-color:#1545d7;color:#001e78}.topic-banner{background:#0b163b}.topic-banner p{color:#c3d0ec}.topic-banner .topic-tag{color:#7fe8ff}.topic-banner .chip{background:#1d3459;color:#bceeff}.topic-banner .topic-emblem{color:#7fe8ff;border-color:#3d5886}.quest-feature{background:linear-gradient(110deg,#edf3fc,#fff);border-color:#c5d4eb}.result-hero .eyebrow{color:#7fe8ff}.result-hero .eyebrow:before{background:#7fe8ff}
@media(min-width:1600px){.home-intro h1{font-size:41px}.home-head{gap:60px}.program-hero{padding:23px 28px}}
@media(max-width:1200px){.home-head{gap:26px;grid-template-columns:1.2fr 1fr}.home-intro h1{font-size:33px}.vehicle-stage-top{padding-left:21px;padding-right:21px}.vehicle-security{margin-left:21px;margin-right:21px}.vehicle-flowbar{gap:10px;padding:13px 20px}.vehicle-flow-explanation{display:block;padding:16px 21px}.vehicle-flow-explanation strong{display:block;margin-bottom:4px}.vehicle-flow-buttons button{padding:7px 9px;font-size:10px}.vehicle-topic-links{grid-template-columns:repeat(4,1fr)}}
@media(max-width:980px) and (min-width:761px){.home-head{grid-template-columns:1fr 1fr;gap:22px}.home-intro h1{font-size:28px}.program-hero{display:flex;padding:21px;gap:0}.program-metrics{gap:22px}.program-hero h2{font-size:15px}.program-metrics strong{font-size:25px}.home-intro .lead{font-size:12px}.vehicle-stage-top>span:last-child{display:none}.vm-svg-desktop{min-width:870px}.vehicle-diagram{overflow-x:auto;pointer-events:all}.vehicle-topic-links{grid-template-columns:repeat(3,1fr)}}
@media(max-width:767px){.home-head{grid-template-columns:1fr;gap:21px;margin-bottom:23px}.home-intro h1{font-size:31px;line-height:1.5;letter-spacing:-.04em}.home-intro .lead{font-size:12px}.home-intro .eyebrow{font-size:8px}.program-hero{display:block;padding:21px 23px;border-radius:8px}.program-metrics{justify-content:space-between;margin:18px 0}.program-hero .btn{font-size:12px}.step-strip{margin-bottom:28px}.vehicle-learning>.section-head{display:block}.vehicle-learning>.section-head .chip{margin-top:10px;font-size:10px}.vehicle-learning>.section-head h2{font-size:21px}.vehicle-learning>.section-head p{font-size:11px}.vehicle-stage{border-radius:9px}.vehicle-stage-top{padding:18px 16px 14px;font-size:8px}.vehicle-stage-top>span:last-child{display:none}.vehicle-security{margin:0 14px;padding:12px 10px;gap:8px;flex-wrap:wrap;min-height:54px}.vehicle-security strong{font-size:11px}.vehicle-security>.ico{width:15px;height:15px}.vehicle-security>span{order:4;flex-basis:100%;font-size:9px;padding-left:23px}.vehicle-security small{font-size:9px}.vehicle-security small .ico{width:11px}.vehicle-diagram{margin:0;overflow:visible}.vm-svg-desktop{display:none}.vm-svg-mobile{display:block;margin-bottom:0}.vm-svg-mobile .vm-node-title{font-size:34px}.vm-svg-mobile .vm-node-sub,.vm-svg-mobile .vm-node-status{display:none}.vm-svg-mobile .vm-node-title{transform:translateY(16px)}.vm-svg-mobile .vm-live .vm-node-title{font-size:43px;transform:translateY(21px)}.vm-svg-mobile .vm-state-dot{r:5}.vm-svg-mobile .vm-node-arrow{display:none}.vm-svg-mobile .vm-wire text{font-size:25px;transform:translateY(2px)}.vm-svg-mobile .vm-wire-box{height:41px}.vm-svg-mobile .vm-node-box{stroke-width:2.5}.vm-svg-mobile .vm-zone-caption{font-size:25px}.vm-svg-mobile .vm-ext-title{font-size:36px}.vm-svg-mobile .vm-ext-sub{font-size:27px}.vm-svg-mobile .vm-ext-status{font-size:22px}.vm-svg-mobile .vm-network-label{font-size:25px}.vm-svg-mobile .vm-path{stroke-width:2.5}.vm-svg-mobile .vm-body{stroke-width:3}.vehicle-flowbar{padding:13px 14px;gap:10px}.flowbar-label{flex-basis:100%;font-size:10px}.vehicle-flow-buttons{display:grid;grid-template-columns:repeat(2,1fr);width:100%;gap:6px}.vehicle-flow-buttons button{font-size:10px;min-height:39px;border-color:#2a3d67}.motion-button{font-size:10px;margin-left:0;min-height:33px;padding:4px 0}.vehicle-flow-explanation{padding:14px 16px 18px}.vehicle-flow-explanation strong{font-size:11px;white-space:normal}.vehicle-flow-explanation span{font-size:10px}.vehicle-map-caution{font-size:10px}.vehicle-topic-links{grid-template-columns:repeat(2,1fr);gap:7px}.vehicle-topic-links a{min-height:58px;padding:11px 13px}.vehicle-mobile-links summary{font-size:11px}.vehicle-mobile-links summary>span{display:block;font-size:9px;margin-top:4px}.vehicle-mobile-links{margin-top:20px}.vehicle-stage a:focus-visible{outline:2px solid #7fe8ff}.vm-svg-mobile a:focus-visible{outline:none}.vehicle-flowbar button:focus-visible{outline-color:#7fe8ff}.section-head h2{font-size:21px}}
@media(prefers-reduced-motion:reduce){.vm-pulse{display:none!important}}

/* Directional particles are scoped by path, independent of visual line classes. */
.vehicle-stage[data-flow=management] .vm-part-internal,.vehicle-stage[data-flow=management] .vm-part-app,.vehicle-stage[data-flow=upload] .vm-part-app{display:none}


/* v2.5 — fluid layout; resize never rebuilds quiz state. */
:root{--study-dock-height:0px;--content-gutter:clamp(16px,3vw,42px)}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-bottom:calc(var(--study-dock-height) + 22px)}
body{min-width:0}.workspace,main,.grid2>* , .quest-workspace>*,.lesson-layout>*,.home-head>*{min-width:0}
main{padding-inline:max(var(--content-gutter),env(safe-area-inset-left)) max(var(--content-gutter),env(safe-area-inset-right))}
img,video{max-width:100%;height:auto}iframe{max-width:100%}
p,h1,h2,h3,h4,legend,.choice-text,.meta,.small-note,.breadcrumbs{overflow-wrap:break-word}
.breadcrumbs,.learning-meta,.catalog-controls,.result-stats{flex-wrap:wrap}
.reading,.lesson-article{min-width:0}.lesson-article p,.lesson-check p,.choice-text{font-size:16px;line-height:1.9}
.lesson-check strong{font-size:16px}.lesson-article .lesson-goal p{font-size:16px}
.question-panel legend{font-size:clamp(18px,1.45vw,21px);line-height:1.85}
.option{min-height:66px}.option input{width:24px;height:24px}.choice-text{min-width:0}
.question-mode{font-size:13px}.question-mode .chip{font-size:12px}
.mobile-quiz-summary{display:none}.mobile-question-count{font-variant-numeric:tabular-nums}
.lesson-layout{grid-template-columns:minmax(0,1fr) 242px;grid-template-areas:'article tools'}
.lesson-article{grid-area:article}.lesson-toc{grid-area:tools;margin:0}
.lesson-toc>summary{display:none}.lesson-toc>summary::marker{color:var(--brand)}
.lesson-tools-body{min-width:0}.lesson-toc .term-pills button{min-height:44px;font-size:13px}
.lesson-toc a.toc-link{min-height:42px;font-size:13px}.lesson-toc .text-link{font-size:13px}
.lesson-toc .small-note,.lesson-toc .meta{font-size:12px}
.tablewrap,pre{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}
pre{white-space:pre;line-height:1.7}.tablewrap:focus-visible{outline:2px solid var(--brand)}
dialog{max-width:calc(100vw - 24px);max-height:calc(100vh - 24px);max-height:calc(100dvh - 24px)}
dialog[open]{display:flex;flex-direction:column}.dialog-head{flex:none;min-width:0}.dialog-head h2{min-width:0;overflow-wrap:break-word}
.dialog-body{min-height:0;max-height:none;overflow:auto;overscroll-behavior:contain;padding-bottom:max(24px,env(safe-area-inset-bottom))}
.dialog-head .icon-button{min-width:44px;width:44px;height:44px}.dialog-body .actions{flex-wrap:wrap}
.nav-question-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:20px 0}
.nav-question-grid button{min-height:48px;font-size:15px;min-width:0}
.question-nav-copy{font-size:14px;margin:0 0 12px}.question-nav-caption{font-size:13px;color:var(--muted);margin-top:15px}
.sidebar{padding-bottom:max(18px,env(safe-area-inset-bottom));max-height:100vh;max-height:100dvh}
.side-nav{min-height:80px}.skip-link{max-width:calc(100vw - 24px)}
@media(hover:none){.btn:hover{transform:none}}
@media(min-width:1024px) and (max-width:1199px){.lesson-layout{grid-template-columns:minmax(0,1fr) 210px}.question-panel{padding:26px}.choice-text{font-size:16px}.question-jumps button{height:40px}}
@media(max-width:1023px){
 .sidebar{width:min(290px,calc(100vw - 48px));transform:translateX(-100%);visibility:hidden;pointer-events:none;transition:transform .2s}
 .sidebar.open{transform:translateX(0);visibility:visible;pointer-events:auto}body.menu-open .overlay{display:block}
 .sidebar .nav-link{min-height:48px;font-size:15px}.sidebar .nav-label{font-size:11px}.sidebar .side-note{font-size:12px}
 .workspace{margin-left:0}.skip-link{left:12px}.menu-button{display:grid}
 .topbar{padding:12px max(18px,env(safe-area-inset-right)) 10px max(18px,env(safe-area-inset-left));height:auto;min-height:76px;gap:10px 14px;flex-wrap:wrap}
 .topbar .top-location{display:none}.topbar .header-search{flex:1;max-width:none;min-width:120px;margin-left:0}
 .topbar .header-search input{font-size:16px;min-height:44px}.header-search .ico{top:14px}.header-search kbd{display:none}
 .topbar .icon-button{min-width:44px;width:44px;height:44px}.topbar>.icon-button:not(.menu-button){display:none}
 .workspace-context{order:5;flex-basis:100%;border:0;padding:0;display:flex;gap:10px;white-space:normal;font-size:11px;align-items:baseline}
 .workspace-context>span{font-size:10px;flex:none}.topbar .demo-label{font-size:10px}
 .home-head{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:24px}.home-intro h1{font-size:clamp(29px,4vw,38px)}
 .program-hero{display:flex;gap:0}.program-head{gap:12px}.program-head span{font-size:10px}.program-hero p,.program-metrics small{font-size:11px}
 .program-metrics{flex-wrap:wrap;gap:20px}.program-hero .btn{font-size:14px;min-height:48px}
 .grid2{grid-template-columns:minmax(0,1fr)}.quest-workspace{grid-template-columns:minmax(0,1fr)}
 .lesson-layout{grid-template-columns:minmax(0,1fr);grid-template-areas:'tools' 'article';gap:18px}
 .lesson-toc{position:static;padding:0;border-radius:10px;display:block}.lesson-toc>summary{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;min-height:50px;font-size:14px;list-style:none;margin:0}
 .lesson-toc>summary::-webkit-details-marker{display:none}.lesson-toc>summary:after{content:'＋';font-size:19px;color:var(--brand)}.lesson-toc[open]>summary:after{content:'−'}
 .lesson-tools-body{padding:4px 20px 18px}.lesson-toc a.toc-link{display:block!important;margin:0;padding:10px 0}
 .lesson-toc .section-kicker{display:none}.lesson-toc .term-pills{gap:10px}.lesson-toc h3{font-size:14px}
 .field>span{font-size:14px}input,select,textarea{font-size:16px}.field input,.field select{min-height:48px}
 .btn{font-size:14px;min-height:48px}.filter-button{font-size:13px;min-height:44px}.review-mark{font-size:13px;min-height:44px}
 .question-jumps button{min-height:44px}.question-count{font-size:28px}
 .question-side{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 25px}
 .question-side .question-jumps{grid-column:2;grid-row:1 / 5}.question-side h3,.question-side .answer-metric,.question-side .progress-track,.question-side .pass-rule{grid-column:1}
 .question-side .grid-legend,.question-side .btn{grid-column:2}.question-side .quiet-note{grid-column:1 / -1}
 .question-side .btn{font-size:13px}.question-side h3,.question-side .pass-rule,.quiet-note{font-size:13px}
 .section-head{flex-wrap:wrap}.section-head p{font-size:13px}.section-head h2{font-size:22px}
 .vehicle-flow-buttons button,.motion-button{min-height:44px;font-size:12px}.vehicle-mobile-links summary{min-height:44px;font-size:13px}
 .vehicle-topic-links a{min-height:64px}.vehicle-topic-links strong{font-size:14px}.vehicle-topic-links span{font-size:12px}
 .review-row{gap:8px;flex-wrap:wrap}.review-row .review-text{white-space:normal;overflow:visible;text-overflow:clip;flex-basis:calc(100% - 40px);font-size:14px}
 .review-row button{min-height:44px;padding:6px 10px;font-size:13px}.review-row .chip{margin-left:30px}.review-list{max-height:35vh}
}
@media(max-width:767px){
 :root{--content-gutter:16px}main{padding-top:23px;padding-bottom:40px}.home-head{grid-template-columns:minmax(0,1fr);gap:22px}
 h1{font-size:clamp(25px,6.8vw,32px)}.home-intro h1{font-size:clamp(29px,8vw,36px)}.home-intro .lead,.lead{font-size:15px}
 .eyebrow{font-size:10px;letter-spacing:.09em}.home-intro .eyebrow{font-size:10px}.home-head .program-hero{padding:22px}
 .program-hero h2{font-size:19px}.program-hero p{font-size:12px}.program-metrics{gap:24px}.program-metrics small{font-size:11px}
 .program-head{gap:8px}.program-head span{font-size:9px;letter-spacing:.07em}.step-link strong{font-size:15px}.step-link small{font-size:12px}
 .resource-entry h3{font-size:15px}.resource-entry p{font-size:13px}.section-kicker{font-size:10px}.panel{padding:22px 18px}
 .topic-banner p{font-size:14px}.topic-banner aside strong{font-size:17px}.tabs a{font-size:15px;min-height:48px}
 .meta,.small-note,.quiet-note{font-size:12px}.chip{font-size:11px;max-width:100%;white-space:normal}
 .breadcrumbs{font-size:12px;gap:5px 8px;line-height:1.7;margin-bottom:18px}
 .quest-feature{padding:22px 18px}.quest-feature p{font-size:14px}.quest-feature .mini-meta{font-size:12px}
 .catalog-row h3{font-size:15px}.catalog-row p,.catalog-info small{font-size:13px}.catalog-controls{max-width:100%}
 .quest-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quest-metrics strong{font-size:32px}.quest-metrics strong span{font-size:12px}.quest-metrics small{font-size:12px}
 .quiz-format-guide{font-size:12px}.lesson-heading h1{font-size:27px;line-height:1.6}.learning-meta{font-size:12px}
 .lesson-article{padding:24px 18px}.lesson-article h2{font-size:20px}.lesson-goal strong{font-size:14px}.lesson-check{gap:10px}
 .lesson-footer .btn{font-size:14px}.quote-box{font-size:19px!important}.quote-box span{font-size:10px}
 .term{padding:20px 18px}.term p{font-size:15px}.term h3{font-size:17px}.term footer{font-size:12px}
 .tablewrap table{font-size:13px}.tablewrap th{font-size:12px}.trace{grid-template-columns:minmax(0,1fr)}
 .split-field{grid-template-columns:minmax(0,1fr) 114px}.result-hero h1{font-size:26px}.result-hero p{font-size:14px}
 .result-stats{gap:20px}.result-stats small{font-size:12px}.result-actions{display:grid;grid-template-columns:minmax(0,1fr)}
 .quest-explanation summary,.quest-explanation p{font-size:14px}.quest-explanation .meta{font-size:13px}.quest-explanation{padding:18px}
 .dialog-head{padding:14px 16px}.dialog-head h2{font-size:18px}.dialog-body{padding:18px 16px max(18px,env(safe-area-inset-bottom));font-size:15px}
 .dialog-body .actions>.btn{flex:1;min-width:120px}.dialog-body .small-note,.dialog-body .meta{font-size:12px}
 .dialog-body .review-summary{gap:10px}.nav-question-grid{gap:8px}.nav-question-grid button{min-height:48px}
 .vehicle-stage-top{gap:10px;flex-wrap:wrap}.vehicle-security{flex-wrap:wrap}.vehicle-security>span{font-size:12px}
 .vehicle-security small{margin-left:0}.vehicle-map-caution{font-size:12px}.vehicle-flow-explanation strong,.vehicle-flow-explanation span{font-size:12px}
 .vehicle-topic-links{grid-template-columns:repeat(2,minmax(0,1fr))}.vehicle-mobile-links summary>span{font-size:11px}
 .site-footer{font-size:11px;padding:0 max(16px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
 .topbar .demo-label{max-width:62px;font-size:9px;white-space:normal}.topbar .header-search{min-width:0}.topbar{gap:8px}
 .sidebar .brand{padding-bottom:15px}.sidebar .side-note{display:none}.sidebar .side-bottom{padding-top:10px}.sidebar .profile{padding-top:12px}
}
/* Compact answering also applies to phones rotated horizontally. */
@media(max-width:767px),(max-width:1023px) and (max-height:600px){
 body[data-study='quiz'] main{padding-bottom:calc(34px + var(--study-dock-height))}
 body[data-study='quiz'] .focus-title{margin-bottom:16px}.focus-title h1{font-size:19px;line-height:1.6}
 .focus-title .meta{font-size:11px}.focus-title .eyebrow{font-size:10px}
 .mobile-quiz-summary{display:block;background:#e9effb;border:1px solid #d4dff2;border-radius:10px;padding:14px 16px;margin:0 0 16px}
 .mobile-quiz-summary .summary-line{display:flex;align-items:center;justify-content:space-between;gap:12px}
 .mobile-quiz-summary strong{font-size:15px;color:#183a7d}.mobile-quiz-summary small{display:block;font-size:12px;color:#536585;margin-top:5px}
 .mobile-quiz-summary button{min-width:86px;min-height:44px;background:#fff;border:1px solid #b9cbed;border-radius:6px;padding:9px 12px;font-size:13px;color:#1c407f;flex:none}
 .mobile-answer-track{height:4px;background:#d4dff2;border-radius:8px;margin-top:12px;overflow:hidden}.mobile-answer-track span{height:100%;display:block;background:#2655d7;border-radius:8px}
 .quest-workspace{grid-template-columns:minmax(0,1fr)}.question-side{display:none}.question-panel{padding:20px 18px}
 .question-panel legend{font-size:18px;line-height:1.85}.choice-text{font-size:16px;line-height:1.85}.question-mode{font-size:13px;margin-bottom:18px}
 .question-top{margin-bottom:18px;gap:8px;flex-wrap:wrap}.question-top .review-mark{font-size:12px;padding:6px;min-height:44px}
 .option{padding:14px 12px;gap:12px;min-height:66px}.choice-letter{width:28px;height:28px;flex-basis:28px;font-size:12px}.chosen-tick{display:none}
 .question-bottom{position:fixed;inset:auto 0 0;z-index:25;display:flex;gap:12px;margin:0;padding:12px max(16px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));background:#fffffff7;border-top:1px solid #ccd5e6;box-shadow:0 -4px 18px #07103309}
 .question-bottom .btn{font-size:15px;min-width:0;min-height:48px;padding:12px 10px;flex:1}.question-bottom .small-note{display:none}
 .quest-footer{font-size:12px;line-height:1.8;display:block}.quest-footer a{display:inline-block;min-height:44px;padding-block:10px}
 .quest-footer>.ico{height:14px;width:14px}body.menu-open .question-bottom{visibility:hidden}
}
@media(max-height:500px) and (max-width:1023px){.sidebar{padding-top:14px}.sidebar .brand{padding-bottom:8px}.sidebar .side-note{display:none}.sidebar .side-bottom{padding-top:4px}.sidebar .profile{padding-top:8px}.dialog-head{padding-block:8px}.question-bottom{padding-top:8px;padding-bottom:max(8px,env(safe-area-inset-bottom))}}
@media(max-width:359px){.question-panel{padding:18px 14px}.question-panel legend{font-size:18px}.option{padding:12px 10px;gap:10px}.question-mode strong{flex-basis:100%}.question-top .review-mark{font-size:11px}.program-metrics{gap:16px}.topbar .demo-label{display:none}.quest-metrics strong{font-size:28px}.dialog-body{padding-inline:14px}.nav-question-grid{gap:6px}.vehicle-security>span{display:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{.question-bottom{position:static}.mobile-quiz-summary{display:none}.question-side{display:block}body[data-study='quiz'] main{padding-bottom:0}}
@media(max-width:1023px){.topbar .demo-label{white-space:nowrap;max-width:none}}
@media(max-width:767px),(max-width:1023px) and (max-height:600px){
 body[data-study='quiz'] main{padding-top:16px}
 body[data-study='quiz'] .breadcrumbs{margin-bottom:10px;font-size:11px}
 body[data-study='quiz'] .focus-title .eyebrow,body[data-study='quiz'] .focus-title .meta{display:none}
 body[data-study='quiz'] .focus-title{margin-bottom:14px}
 .question-panel .option{scroll-margin-top:14px;scroll-margin-bottom:calc(var(--study-dock-height) + 20px)}
}
/* Short landscape view: spend the available height on the question, not the shell. */
@media (min-width:768px) and (max-width:1023px) and (max-height:600px){
 body[data-study='quiz'] .topbar{min-height:60px;padding-block:8px;flex-wrap:nowrap}
 body[data-study='quiz'] .workspace-context{display:block;order:initial;flex-basis:auto;font-size:10px;white-space:normal;min-width:145px;max-width:180px}
 body[data-study='quiz'] .workspace-context>span{display:none}
 body[data-study='quiz'] main{padding-top:10px}
 body[data-study='quiz'] .breadcrumbs{display:none}
 body[data-study='quiz'] .focus-title{margin-bottom:8px}
 body[data-study='quiz'] .focus-title h1{font-size:17px;margin:0}
 body[data-study='quiz'] .mobile-quiz-summary{padding:8px 12px;margin-bottom:12px}
 body[data-study='quiz'] .mobile-quiz-summary .summary-line>div{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
 body[data-study='quiz'] .mobile-quiz-summary small{margin-top:0}
 body[data-study='quiz'] .mobile-answer-track{margin-top:6px}
 body[data-study='quiz'] .question-panel{padding:14px 18px}
 body[data-study='quiz'] .question-top{margin-bottom:8px}
 body[data-study='quiz'] .question-panel legend{margin-bottom:10px}
}

/* v2.6 – additional screens, consistent controls, accessible interaction states. */
:root{--label:#52617f;--danger:#a83f33;--good:#176853;--reading-scale:1}
.btn,.question-bottom .btn,.question-side .btn,.program-hero .btn{font-size:14px;min-height:46px;line-height:1.55}.btn{font-weight:650}.btn.secondary{border-color:#aebbd2}.text-link{font-size:13px}.meta,.small-note{color:#52617f}.program-head span{color:#52617f;font-size:11px}.program-metrics small{font-size:11px}.eyebrow{font-size:11px}.chip{font-size:12px}.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #315bea;outline-offset:3px}input:focus,textarea:focus,select:focus{border-color:#315bea}
.side-nav .nav-link{font-size:13px;min-height:44px;padding-block:9px}.side-nav .nav-label{font-size:10px;padding-top:14px}.side-nav .nav-tag{font-size:9px}.sidebar{padding-top:26px}.brand{padding-bottom:20px}.side-close{display:none}.side-bottom{padding-top:8px}.profile{padding-top:14px}.topbar{gap:16px}.context-button{display:grid;grid-template-columns:1fr auto;gap:1px 12px;text-align:left;border:0;border-left:1px solid var(--line);padding:0 0 0 18px;background:transparent;font-size:12px;min-height:44px;color:var(--ink)}.context-button small{color:var(--label);font-size:10px;grid-column:1}.context-button strong{font-size:12px;font-weight:500;grid-column:1}.context-button>span{grid-column:2;grid-row:1/3;align-self:center}.mode-button{font-size:12px;white-space:nowrap;border:1px solid var(--line);background:#f8faff;border-radius:6px;min-height:40px;padding:8px 12px;color:#344971}.mode-button span{margin-left:6px}.prototype-line{display:flex;align-items:center;gap:16px;padding:7px 42px;background:#eef2fb;border-bottom:1px solid #e1e7f4;font-size:10px;color:#52617f;line-height:1.5}.prototype-line span:first-child{font-weight:600;white-space:nowrap}.prototype-line i{display:inline-block;width:5px;height:5px;margin-right:6px;background:#315bea;border-radius:50%}.site-footer a{text-decoration:underline}.toast26{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#122044;color:#fff;border:1px solid #355280;padding:14px 20px;border-radius:10px;box-shadow:0 8px 40px #07103330;max-width:min(620px,calc(100vw - 32px));font-size:13px;z-index:110;line-height:1.7}.toast26.danger{background:#80392e}
.page-title26{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;margin-bottom:26px}.page-title26 h1{font-size:30px;margin:0 0 8px}.page-title26 p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}.page-title26 .eyebrow{margin:0 0 10px;color:#123de1}.page-title26 .title-actions{display:flex;gap:10px;flex-wrap:wrap}.soft-note26{font-size:12px;line-height:1.8;color:#52617f;border:1px solid #dbe4f7;background:#f1f5fd;border-radius:8px;padding:12px 15px;display:flex;gap:10px;align-items:flex-start;margin:18px 0}.soft-note26 .ico{height:17px;width:17px;margin-top:2px}.status-pill26{display:inline-flex;align-items:center;gap:5px;border-radius:5px;background:#f0f3f9;color:#53627e;padding:4px 8px;font-size:11px;line-height:1.6}.status-pill26.live{background:#eaf6ef;color:#205c43}.status-pill26.warn{background:#fff3df;color:#7a5016}.status-pill26.error{background:#faece9;color:#893527}.status-pill26.purple{background:#f0edfc;color:#55448f}
.tabs26{display:flex;gap:5px;border-bottom:1px solid var(--line);margin:24px 0;overflow-x:auto}.tabs26 a{padding:12px 16px;min-height:46px;font-size:14px;white-space:nowrap;border-bottom:3px solid transparent;color:#586684}.tabs26 a.active{color:#123de1;border-color:#123de1;font-weight:700}.metric-grid26{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:20px 0 26px}.metric26{background:white;border:1px solid var(--line);border-radius:10px;padding:20px 23px}.metric26 small{font-size:12px;color:#52617f}.metric26 strong{display:block;font:500 32px/1.5 Arial,sans-serif;color:#0b286c;letter-spacing:-.03em}.metric26 strong span{font:13px/1.5 sans-serif;color:#62708a;letter-spacing:0}.metric26 p{font-size:11px;color:#62708a;margin:3px 0 0}
.resume26{position:relative;padding:29px 32px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:center;background:#091637;color:#f0f5ff;border-radius:12px;border:1px solid #1c365f;overflow:hidden}.resume26:after{content:'';position:absolute;width:210px;height:210px;right:135px;top:-130px;border:1px solid #40617d;border-radius:50%;box-shadow:0 0 0 22px #ffffff03,0 0 0 23px #ffffff12;pointer-events:none}.resume26 .eyebrow{color:#7fe8ff;margin-bottom:10px;font-size:10px}.resume26 .eyebrow:before{background:#7fe8ff}.resume26 h2{font-size:23px;margin:0 0 10px;color:white}.resume26 p{font-size:13px;color:#bacce9;margin:0;line-height:1.8}.resume26 .actions{margin:0;z-index:1}.resume26 .btn{background:#7fe8ff;color:#071033;border-color:#7fe8ff;min-width:180px}.resume26 small{display:block;font-size:11px;margin-top:9px;color:#a1badd}.progress-inline26{height:5px;background:#2a3958;border-radius:6px;max-width:430px;margin-top:18px;overflow:hidden}.progress-inline26 span{display:block;height:100%;background:#67dcf7}.compact-home26{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px;margin-bottom:24px;align-items:center}.compact-home26 h1{font-size:clamp(29px,2.5vw,39px);margin-bottom:12px;line-height:1.5}.compact-home26 .lead{font-size:14px;margin:0}.home-next26{border:1px solid var(--line);border-top:3px solid #123de1;padding:23px 26px;border-radius:10px;background:#fff}.home-next26 .eyebrow{font-size:10px;margin-bottom:8px}.home-next26 h2{font-size:19px;margin:0 0 8px}.home-next26 .btn{width:100%;margin-top:17px}.home-next26 p{font-size:12px;color:var(--muted);margin:0}.home-steps26{display:flex;flex-wrap:wrap;gap:8px 18px;padding:12px 0 22px;border-bottom:1px solid var(--line);margin-bottom:24px;font-size:13px}.home-steps26 a{display:flex;align-items:center;gap:8px;min-height:40px;color:#365071}.home-steps26 a b{font:12px Arial,sans-serif;color:#627bab}.home-steps26 a:last-child{margin-left:auto;color:#123de1}.list-card26{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-bottom:16px}.list-row26{display:flex;gap:17px;align-items:center;padding:20px 23px;border-bottom:1px solid var(--line)}.list-row26:last-child{border-bottom:0}.list-row26>.ico{color:#355bd9;width:22px}.list-row26 .row-main26{flex:1;min-width:0}.list-row26 h3{font-size:16px;margin:0 0 5px}.list-row26 p{font-size:12px;color:#61708c;margin:0}.list-row26 .row-actions26{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.list-row26 .btn{font-size:12px;padding:10px 14px;min-height:42px}.empty26{text-align:center;padding:36px 22px;border:1px dashed #c8d2e5;border-radius:10px;background:#fbfcff;color:#596a86}.empty26 .ico{width:29px;height:29px;color:#7892b7;margin-bottom:12px}.empty26 h3{font-size:17px;color:#263958;margin:0 0 8px}.empty26 p{font-size:13px;line-height:1.9;margin:0 auto;max-width:580px}.empty26 .actions{justify-content:center;margin-top:18px}
.form-grid26{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}.form-grid26 .full{grid-column:1/-1}.field input,.field select{min-height:46px;font-size:15px}.field textarea{font-size:15px}.field span{font-size:13px}.field-hint26{font-size:12px;color:#5c6e8d;margin:5px 0 0}.form-footer26{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding-top:20px;border-top:1px solid var(--line);margin-top:6px;flex-wrap:wrap}.form-error26{padding:12px 15px;background:#fbedeb;border:1px solid #dfb0a8;color:#873629;border-radius:7px;font-size:13px;margin:15px 0}.editor26{min-height:250px;line-height:1.9;width:100%;font-size:15px!important}.admin-cards26{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.admin-card26{background:white;padding:23px;border:1px solid var(--line);border-radius:10px;display:flex;flex-direction:column;min-height:195px;transition:border-color .15s,transform .15s}.admin-card26:hover{border-color:#819edc;transform:translateY(-2px)}.admin-card26>.ico{color:#234cc8;width:23px;height:23px;margin-bottom:16px}.admin-card26 h3{font-size:16px;margin:0 0 8px}.admin-card26 p{font-size:13px;color:#657492;margin:0 0 12px;line-height:1.85}.admin-card26 .card-link26{font-size:12px;color:#1947c0;margin-top:auto}.admin-subnav26{display:flex;flex-wrap:wrap;gap:7px;margin:-8px 0 22px}.admin-subnav26 a{font-size:12px;padding:8px 11px;background:#fff;border:1px solid var(--line);border-radius:5px;min-height:39px}.admin-subnav26 a.active{border-color:#123de1;color:#123de1;background:#edf3ff}.filter-row26{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px}.filter-row26 input{flex:1;min-width:160px}.filter-row26 select{font-size:14px;min-height:44px}.table26 td{font-size:13px;vertical-align:middle;line-height:1.9}.table26 th{font-size:12px}.table26 .btn{font-size:12px;min-height:38px;padding:8px 12px}.table26 td strong{font-weight:600}.table26 td small{display:block;color:#62708a;font-size:11px}.table26 .inline-actions26{display:flex;gap:8px;flex-wrap:wrap}.check-label26{display:flex;align-items:flex-start;gap:10px;cursor:pointer;font-size:14px;line-height:1.8}.check-label26 input{width:20px;height:20px;min-height:20px;margin:2px 0 0;accent-color:#123de1;flex:none}.question-edit-choice26{border:1px solid var(--line);border-radius:9px;padding:17px 20px;margin:12px 0;background:#fbfcff}.question-edit-choice26 .choice-header26{display:flex;justify-content:space-between;gap:14px;margin-bottom:12px}.question-edit-choice26 .field{margin-bottom:12px}.editor-preview26{white-space:pre-wrap;line-height:1.9;font-size:15px;overflow-wrap:anywhere}.validation26{display:flex;flex-wrap:wrap;gap:7px 14px;margin:16px 0;font-size:12px}.validation26 span{display:flex;align-items:center;gap:5px}.validation26 .ico{height:15px;width:15px}.state-steps26{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px;font-size:12px;color:#67799a}.state-steps26 span{padding:6px 9px;border:1px solid var(--line);background:white;border-radius:4px}.state-steps26 .active{color:#123de1;background:#edf3ff;border-color:#a8bff3}.audit26{border-left:2px solid #d4dff4;margin:0 0 0 7px;padding-left:22px}.audit26 article{padding-bottom:22px;position:relative}.audit26 article:before{content:'';position:absolute;left:-28px;top:6px;width:9px;height:9px;border-radius:50%;background:#5c80d8;border:2px solid white}.audit26 h3{font-size:13px;margin:0 0 4px}.audit26 p{font-size:12px;color:#5f718e;margin:0}.audit26 time{font-size:11px;color:#6d7e99}.diff26{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}.diff26>div{background:#f7f9fe;border:1px solid #dbe3f3;border-radius:8px;padding:18px}.diff26>div:last-child{background:#f1f7ff}.diff26 h3{font-size:13px;color:#294873;margin:0 0 12px}.diff26 pre{white-space:pre-wrap;font-size:13px;margin:0;overflow-wrap:anywhere}
.quiz-focusbar26{display:flex;align-items:center;gap:13px;background:#fff;border-bottom:1px solid var(--line);padding:14px 26px}.quiz-focusbar26 .focus-mark26{color:#123de1;border:1px solid #dbe4f6;background:#f3f6ff;border-radius:7px;padding:8px;display:grid;place-items:center}.quiz-focusbar26 .focus-copy26{flex:1;min-width:0}.quiz-focusbar26 strong{font-size:13px;display:block;color:#20385f}.quiz-focusbar26 small{font-size:11px;color:#5a6b88;display:block;margin-top:2px}.quiz-focusbar26 .btn{font-size:12px;min-height:40px;padding:8px 13px}.save-state26{display:flex;align-items:center;gap:7px;font-size:11px;color:#62708a;line-height:1.7}.save-state26 .ico{height:14px;width:14px}.save-state26.error{color:#963d30}.save-state26 button{border:0;background:none;text-decoration:underline;color:inherit;padding:3px 6px;min-height:32px;font-size:12px}.quiz-focusbar26+.prototype-line{display:none}body[data-study='quiz'] .topbar,body[data-study='quiz'] .prototype-line,body[data-study='quiz'] .site-footer{display:none}body[data-study='quiz'] main{padding-top:25px}.question-bottom .small-note{font-size:11px}.question-count{font-size:28px}.question-mode{font-size:13px}.choice-letter{font-size:13px}.choice-control26{width:21px;height:21px;flex:none;margin-top:5px;border:1.5px solid #7e91b3;border-radius:50%;display:grid;place-items:center;color:white;background:white}.option.multiple .choice-control26{border-radius:4px}.choice-control26 .ico{width:15px;height:15px;visibility:hidden}.option:has(input:checked) .choice-control26{background:#173fd1;border-color:#173fd1}.option.multiple:has(input:checked) .choice-control26 .ico{visibility:visible}.option.single:has(input:checked) .choice-control26:after{content:'';height:8px;width:8px;border-radius:50%;background:white}.option.single .choice-control26 .ico{display:none}.option .choice-letter{background:transparent;border:none;border-radius:0;flex:0 0 16px;width:16px;font-weight:600;color:#5b6c89;margin-top:4px}.option:has(input:checked) .choice-letter{background:transparent;border:0;color:#123de1}.option{gap:11px}.chosen-tick{display:none!important}.selection-count26{font-size:12px;color:#395484;min-height:22px;margin:14px 0 0}.selection-count26 .ico{width:14px;height:14px}.review-selected26{border:1px solid var(--line);padding:16px 18px;border-radius:8px;margin:12px 0;font-size:13px}.review-selected26 h3{font-size:14px;line-height:1.9;margin-bottom:9px}.review-selected26 .review-label26{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;font-size:12px;color:#4e6287}.review-selected26 .selected-answer26{background:#edf3ff;border-left:2px solid #7b9cef;padding:10px 13px;font-size:13px;line-height:1.9;white-space:pre-line;overflow-wrap:anywhere;margin:12px 0}.review-selected26 .btn{font-size:12px;min-height:40px}.review-dialog-actions26{position:sticky;bottom:-24px;background:#fff;padding:18px 0 6px;display:flex;gap:10px;justify-content:flex-end;border-top:1px solid var(--line);margin-top:18px}.review-dialog-actions26 .btn{min-width:140px}.review-filter26{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.review-filter26 button{font-size:12px;min-height:38px}.unanswered-link26{border:1px solid #d2a56b;color:#7d541f;background:#fff9ef;border-radius:7px;padding:13px 16px;min-height:46px;font-size:14px}.pause-summary26{background:#f1f5fd;border:1px solid var(--line);border-radius:8px;padding:18px;margin:16px 0}.pause-summary26 p{font-size:14px;margin-bottom:7px}.question-review26{padding:24px}.question-review26 .option{cursor:default}.review-badge26{display:inline-flex;align-items:center;font-size:11px;gap:5px;color:#536780;margin-top:5px}.review-badge26 .ico{width:14px;height:14px}.review-badge26.correct{color:#176853}
.auth26{max-width:520px;margin:20px auto}.auth26 .panel{padding:32px}.auth26 h1{font-size:28px}.auth-demo-tag26{background:#edf3ff;padding:12px 14px;border-radius:6px;font-size:12px;color:#3e557a;line-height:1.8;margin-bottom:22px}.auth26 .field input{width:100%}.auth26 .field small{display:block;margin-top:6px;color:#657593;font-size:12px}.password-row26{display:flex;gap:8px}.password-row26 input{min-width:0;flex:1}.password-row26 button{min-width:64px;background:#fff;border:1px solid var(--line);border-radius:6px;font-size:12px}.auth26 .actions{margin-top:20px}.auth26 .actions .btn{width:100%}.success-mark26{width:62px;height:62px;display:grid;place-items:center;border-radius:50%;background:#eaf6f0;color:#176853;margin:0 auto 21px}.success-mark26 .ico{width:30px;height:30px}.center26{text-align:center}.warning-mark26{background:#fff4e1;color:#8d6025}.help-section26{border:1px solid var(--line);background:#fff;border-radius:9px;margin:12px 0;padding:17px 22px}.help-section26 summary{font-size:15px}.help-section26 p{font-size:14px;margin:13px 0 0;line-height:2}.settings-option26{display:flex;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px}.settings-option26 select{margin-left:auto;min-height:44px}.settings-option26 div{flex:1}.settings-option26 p{font-size:12px;color:#5e708f;margin:5px 0 0}.role-options26{display:grid;gap:12px}.role-options26 button{display:flex;gap:15px;text-align:left;align-items:center;background:white;border:1px solid #ccd8ee;padding:17px 20px;border-radius:8px;min-height:70px}.role-options26 button:hover{background:#f1f6ff;border-color:#6a92e0}.role-options26 strong{font-size:15px;display:block}.role-options26 small{font-size:12px;color:#62708a;display:block;margin-top:5px}.role-options26 .ico{color:#315bea}
.kb-grid26{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.kb-card26{border:1px solid var(--line);background:white;padding:24px;border-radius:10px;display:flex;flex-direction:column;gap:12px}.kb-card26 h3{font-size:17px;margin:0}.kb-card26 p{font-size:13px;color:#647591;margin:0}.kb-card26 .text-link{margin-top:auto}.document-meta26{display:flex;flex-wrap:wrap;gap:8px 19px;font-size:12px;color:#5b6e8e;margin-bottom:22px}.document-body26{white-space:pre-wrap;font-size:16px;line-height:2;overflow-wrap:anywhere}.chat-layout26{display:grid;grid-template-columns:220px minmax(0,1fr);gap:22px}.chat-history26{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px}.chat-history26 h3{font-size:13px;margin:0 0 15px}.chat-history26 button{width:100%;background:#f5f8ff;border:1px solid #dde5f5;border-radius:6px;padding:11px 13px;margin-bottom:8px;text-align:left;font-size:12px;color:#2f476d;overflow-wrap:anywhere;line-height:1.8}.chat-main26{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden}.chat-main-head26{padding:19px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px}.chat-messages26{padding:26px;min-height:250px}.chat-bubble26{padding:16px 20px;margin-bottom:17px;border-radius:10px;background:#f4f7fe;border:1px solid #e0e8f8;font-size:14px;line-height:1.95}.chat-bubble26.user{margin-left:45px;background:#ecf3ff}.chat-bubble26 small{display:block;font-size:11px;color:#5d7298;margin-bottom:6px}.chat-compose26{border-top:1px solid var(--line);padding:20px 24px}.chat-compose26 textarea{min-height:96px}.prompt-chips26{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.prompt-chips26 button{border:1px solid #c9d8f5;background:white;border-radius:20px;padding:9px 14px;color:#345685;font-size:12px;min-height:42px}.stat-row26{display:flex;flex-wrap:wrap;gap:7px 18px;font-size:12px;margin:15px 0;color:#5b6f92}.spec-layout26{display:grid;grid-template-columns:280px minmax(0,1fr);gap:22px;align-items:start}.spec-layout26 .panel{padding:24px}.spec-layout26 .field span{font-size:13px}.trace-controls26{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}.trace-node26{background:white;border:1px solid var(--line);border-top:3px solid #315bea;border-radius:8px;padding:20px;min-width:0}.trace-node26 p{font-size:12px;margin:7px 0 0;color:#62708a}.trace-grid26{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin:24px 0}.trace-grid26 h3{font-size:13px;margin:0;overflow-wrap:anywhere}.trace-grid26 small{font-size:11px;color:#657595}.op-state26{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.op-state26 h3{font-size:14px;margin:0}.op-state26 p{font-size:12px;color:#62708a;margin:5px 0 0}.screen-grid26{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.screen-link26{background:white;border:1px solid var(--line);border-radius:8px;padding:15px 17px;font-size:13px}.screen-link26 small{display:block;color:#66799b;font-size:11px;margin:4px 0 0}.notice26{background:#fff8ed;border:1px solid #e9ce9f;padding:15px 18px;border-radius:8px;font-size:13px;line-height:1.9;color:#6a501f;margin:18px 0}.required26{font-size:11px;margin-left:5px;color:#9a4337}.lesson-article p,.lesson-check p,.choice-text,.document-body26{font-size:calc(16px * var(--reading-scale))}.question-panel legend{font-size:calc(clamp(18px,1.45vw,21px) * var(--reading-scale))}body.reduce-motion26 *{animation:none!important;scroll-behavior:auto!important;transition:none!important}body.reduce-motion26 .vm-pulse{display:none!important}
@media(max-width:1200px){.topbar .top-location{display:none}.topbar .header-search{width:200px}.admin-cards26{grid-template-columns:repeat(2,minmax(0,1fr))}.screen-grid26{grid-template-columns:repeat(2,minmax(0,1fr))}.compact-home26{gap:24px}.spec-layout26{grid-template-columns:240px minmax(0,1fr)}}
@media(max-width:1023px){.side-close{display:grid;position:absolute;right:13px;top:16px;border-color:#405378;color:#dceaff}.sidebar .brand{padding-right:30px}.sidebar .side-nav .nav-link{font-size:14px;min-height:45px}.prototype-line{padding-inline:22px;font-size:10px}.context-button{order:5;flex-basis:100%;display:flex;align-items:center;gap:9px;min-height:25px;border:0;padding:0}.context-button small{font-size:10px}.context-button strong{font-size:11px}.mode-button{font-size:11px;min-height:44px;padding-inline:10px}.topbar{gap:9px 12px}.topbar .header-search{min-width:100px}.quiz-focusbar26{padding:12px 22px}.chat-layout26{grid-template-columns:1fr}.chat-history26{display:flex;gap:9px;flex-wrap:wrap;padding:17px}.chat-history26 h3{width:100%;margin:0}.chat-history26 button{width:auto;max-width:230px;margin:0}.trace-grid26{grid-template-columns:repeat(2,minmax(0,1fr))}.spec-layout26{grid-template-columns:1fr}}
@media(max-width:767px){.page-title26{display:block;margin-bottom:21px}.page-title26 h1{font-size:27px;line-height:1.5}.page-title26 p{font-size:14px}.page-title26 .title-actions{margin-top:15px}.prototype-line{padding:6px 16px;gap:7px;display:block;font-size:10px}.prototype-line span:first-child{margin-right:7px}.prototype-line span:last-child{font-size:9px}.topbar .mode-button{font-size:10px;padding:7px 8px}.topbar .header-search{min-width:0}.topbar .header-search input{font-size:16px;padding-right:10px}.context-button{margin-top:2px}.compact-home26{grid-template-columns:1fr;gap:19px}.compact-home26 h1{font-size:29px;margin-bottom:10px}.compact-home26 .lead{font-size:13px;line-height:1.85}.compact-home26 .eyebrow{font-size:10px;margin-bottom:8px}.home-next26{padding:18px 20px}.home-next26 .eyebrow{display:none}.home-next26 h2{font-size:18px}.home-next26 .btn{margin-top:13px;min-height:48px}.home-next26 p{font-size:12px}.home-steps26{gap:4px 16px;font-size:12px;padding-bottom:17px;margin-bottom:22px}.home-steps26 a:last-child{margin-left:0}.resume26{grid-template-columns:1fr;padding:25px 22px;gap:20px}.resume26 h2{font-size:21px;line-height:1.6}.resume26 .btn{width:100%}.resume26 .actions{display:block}.metric-grid26{gap:9px;margin:17px 0 23px}.metric26{padding:16px 12px}.metric26 small{font-size:11px}.metric26 strong{font-size:27px}.metric26 strong span{font-size:10px}.metric26 p{font-size:10px;line-height:1.75}.tabs26{gap:0;margin:20px 0}.tabs26 a{font-size:13px;padding:12px 11px}.list-row26{padding:18px;gap:12px;flex-wrap:wrap}.list-row26 h3{font-size:15px}.list-row26 .row-main26{min-width:200px}.list-row26 .row-actions26{width:100%;padding-left:0}.list-row26 .row-actions26 .btn{margin-left:auto}.list-row26 p{font-size:12px}.form-grid26{grid-template-columns:1fr}.form-footer26{display:grid;grid-template-columns:1fr}.field input,.field textarea,.field select{font-size:16px}.field span{font-size:14px}.admin-cards26,.kb-grid26,.diff26,.screen-grid26{grid-template-columns:1fr}.admin-card26{min-height:155px;padding:21px}.admin-card26>.ico{margin-bottom:11px}.admin-card26 h3{font-size:16px}.admin-subnav26{gap:6px}.admin-subnav26 a{font-size:12px;min-height:43px}.table26{min-width:640px}.filter-row26 select{width:100%}.filter-row26 input{width:100%}.question-edit-choice26{padding:16px}.choice-header26{flex-wrap:wrap}.question-edit-choice26 .field span{font-size:13px}.auth26 .panel{padding:25px 22px}.auth26 h1{font-size:26px}.auth26{margin-top:8px}.auth-demo-tag26{font-size:12px}.settings-option26{gap:8px;flex-wrap:wrap}.settings-option26 select{max-width:150px;font-size:14px}.quiz-focusbar26{padding:10px 16px;gap:10px}.quiz-focusbar26 .focus-mark26{padding:6px}.quiz-focusbar26 strong{font-size:12px}.quiz-focusbar26 small{font-size:10px}.quiz-focusbar26 .btn{font-size:12px;min-height:42px;padding:8px 10px}.quiz-focusbar26 .focus-copy26{min-width:0}.quiz-focusbar26 strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}body[data-study='quiz'] .focus-title,body[data-study='quiz'] .breadcrumbs{display:none}body[data-study='quiz'] main{padding-top:16px}.mobile-quiz-summary{margin-bottom:15px;padding:12px 14px}.mobile-quiz-summary strong{font-size:14px}.mobile-quiz-summary small{font-size:11px}.mobile-quiz-summary button{font-size:12px;min-width:78px}.question-panel{padding:19px 17px}.question-panel .option{padding:14px 12px;gap:9px}.option .choice-letter{flex-basis:14px;width:14px;font-size:12px}.choice-control26{width:19px;height:19px;margin-top:6px}.question-top{margin-bottom:14px}.question-mode strong{font-size:12px}.question-mode .chip{font-size:11px}.selection-count26{font-size:12px}.question-bottom{padding:11px max(16px,env(safe-area-inset-right)) max(11px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}.question-bottom .btn{font-size:15px;min-height:48px}.question-bottom .small-note{display:none}.review-selected26{padding:15px}.review-selected26 h3{font-size:14px}.review-selected26 .selected-answer26{font-size:14px;padding:12px}.review-dialog-actions26{bottom:-18px;display:grid;grid-template-columns:1fr 1fr;padding-top:14px}.review-dialog-actions26 .btn{font-size:13px;min-width:0;min-height:48px}.save-state26{font-size:10px;flex-wrap:wrap}.save-state26 span{overflow-wrap:anywhere}.toast26{font-size:12px;bottom:calc(16px + var(--study-dock-height))}.chat-messages26{padding:19px}.chat-main-head26{padding:16px 19px;gap:12px;flex-wrap:wrap}.chat-bubble26{font-size:14px;padding:14px 16px}.chat-bubble26.user{margin-left:18px}.chat-compose26{padding:18px}.chat-history26 button{max-width:100%}.kb-card26{padding:22px}.document-body26{font-size:calc(16px * var(--reading-scale))}.spec-layout26 .panel{padding:21px}.trace-grid26{grid-template-columns:1fr}.op-state26{align-items:flex-start;gap:15px}.op-state26 .status-pill26{flex:none}.question-review26{padding:19px}.btn,.question-side .btn{font-size:14px;min-height:48px}}
@media(max-width:359px){.quiz-focusbar26 .focus-mark26{display:none}.metric26 strong{font-size:24px}.metric26 strong span{display:block}.metric26{padding:14px 10px}.question-panel{padding:18px 14px}.option .choice-letter{display:none}.topbar .mode-button{max-width:68px;font-size:10px;white-space:normal}.review-selected26{padding:13px}.page-title26 h1{font-size:25px}.resume26 h2{font-size:20px}}
@media(max-width:1023px) and (max-height:600px){body[data-study='quiz'] .focus-title,body[data-study='quiz'] .breadcrumbs{display:none}.quiz-focusbar26{padding:8px 16px}.quiz-focusbar26 .save-state26{display:none}.quiz-focusbar26 .focus-mark26{padding:4px}.sidebar{overflow:auto}.sidebar .side-nav{flex:none}.sidebar .side-bottom{margin-top:10px}.side-close{top:8px}.review-dialog-actions26{bottom:-24px}.question-bottom .btn{font-size:14px}}

/* Programmatic heading focus is announced without drawing a box around prose. */
h1[tabindex="-1"]:focus,h2[tabindex="-1"]:focus,legend[tabindex="-1"]:focus,main[tabindex="-1"]:focus{outline:none}
.nav-complete26{position:absolute;bottom:1px;right:3px;font-size:9px;line-height:1;color:#123de1}
.result-hero.is-fail .eyebrow{color:#796137}.result-hero.is-fail .eyebrow:before{background:#796137}
.sidebar .nav-label{letter-spacing:.07em;font-size:10px;padding-inline:10px}.profile small{font-size:10px;letter-spacing:0}
.screen-group26{margin-block:32px}.screen-group26 h2{font-size:21px}.screen-grid26{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.screen-card26{display:grid;grid-template-columns:minmax(0,1fr) 20px;gap:8px;padding:18px;border:1px solid var(--line);background:#fff;border-radius:8px}.screen-card26 strong{font-size:15px}.screen-card26 span{grid-column:1;font-size:12px;color:var(--muted)}.screen-card26>.ico{grid-column:2;grid-row:1;align-self:center;width:17px}.screen-card26:hover{border-color:var(--brand)}
@media(max-width:1023px){.screen-grid26{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.screen-grid26{grid-template-columns:1fr}.quiz-focusbar26>.save-state26{display:none}}

/* Reading-size preference applies to the goal paragraph as well as body text. */
.lesson-article .lesson-goal p,.lesson-article p,.lesson-check p,.option .choice-text,.document-body26{font-size:calc(16px * var(--reading-scale));line-height:1.9}
.lesson-article .quote-box{font-size:calc(19px * var(--reading-scale))!important}
.profile small{white-space:nowrap;font-size:9px}
.form-grid26>*{min-width:0}.field select{width:100%;min-width:0}.field{min-width:0}