:root{font-family:Inter,Arial,sans-serif;color:#1b2d3b;background:#f6f8fa;font-synthesis:none;--blue:#255ac4;--ink:#142431;--line:#dce3ea;--muted:#536575}*{box-sizing:border-box}body{margin:0}button,input,a{ -webkit-tap-highlight-color:transparent}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}a{color:#1e4b8a;text-underline-offset:4px}button{border:1px solid #ccd6e1;background:white;color:inherit;border-radius:6px;padding:10px 14px;min-height:44px}button:hover{background:#eaf1ff}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #edb44c;outline-offset:3px}button[disabled]{cursor:default;opacity:.55}input{width:100%;padding:12px;border:1px solid #bccbda;border-radius:6px;min-height:44px;font-size:16px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(25px,2.8vw,36px);letter-spacing:-1px;line-height:1.15;margin-bottom:12px}h2{font-size:24px;letter-spacing:-.6px}h3{font-size:18px}p{line-height:1.6}.topbar{min-height:72px;background:#fff;border-bottom:1px solid var(--line);padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;letter-spacing:1px;text-decoration:none;color:var(--ink);font-size:15px}.brand span{font-weight:500}.topbar nav{display:flex;align-items:center;gap:24px;font-size:14px}.cta,.primary{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 16px;border-radius:6px;background:var(--blue);color:#fff;border:1px solid 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button{color:var(--blue);font-size:14px}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip:focus{display:block;padding:15px;background:white}.attention{animation:attention 1s 2}@keyframes attention{50%{outline:4px solid #e8b84e;outline-offset:2px}}[hidden]{display:none!important}@media(min-width:1500px){main{max-width:1700px;margin:auto}.workspace{grid-template-columns:275px minmax(0,1fr) 340px}}@media(max-width:1100px){.workspace{grid-template-columns:215px minmax(0,1fr)}.inspector{grid-column:1/-1;border-left:0;border-top:1px solid var(--line)}#inspector-content{max-width:900px}.sample-label{display:none}.module-heading{flex-wrap:wrap}.actual{gap:25px}}@media(max-width:650px){.topbar{padding:15px 16px;align-items:flex-start;gap:12px}.brand{font-size:12px;line-height:1.5;max-width:95px}.brand span{display:block}.topbar nav{gap:8px;flex-wrap:wrap;justify-content:flex-end;font-size:12px}.topbar 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span{font-size:11px;line-height:1.4}.inspector{padding:22px 18px}.notebook{margin:18px 12px;display:block;padding:22px}.notebook ol{margin:18px 0}.notebook #completion{margin-top:22px}.notebook #completion .cta{margin:10px 0}.actual{display:flex;flex-direction:column;margin:42px 16px;gap:18px}.actual h2{font-size:26px}.limitations{margin:20px 16px}dialog{padding:20px}#expression-code{padding:15px}.reader-tools input{flex-basis:65%}.reader-tools label{width:100%}.notebook .primary{width:100%}footer{padding:20px 16px 30px}}@media(prefers-reduced-motion:reduce){.attention{animation:none;outline:3px solid #e8b84e}}

/* Keep touch scrolling inside the reader while the page is fixed in place. */
#expression-dialog{overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;}
#expression-dialog::backdrop{touch-action:none;}
#expression-code{overscroll-behavior-x:contain;}
/* A question-led library; the workspace remains the shared working surface. */
.example-library{max-width:1240px;margin:0 auto;padding:48px 28px 12px}.library-intro{max-width:790px}.library-intro h1{font-size:clamp(32px,4.4vw,54px);letter-spacing:-1.7px}.library-intro>p:not(.eyebrow){font-size:18px;color:var(--muted)}.library-intro .library-meta{font-size:13px!important;margin-top:20px}.recommended{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:28px;background:#e7eefb;border:1px solid #c2d2eb;border-radius:12px;margin:30px 0 40px}.recommended h2{font-size:25px;margin:8px 0 12px}.recommended p{max-width:690px;color:#405577;margin:0}.recommended .primary{flex-shrink:0}.library-toolbar h2{font-size:23px;margin-bottom:18px}.example-filters{display:flex;gap:8px;flex-wrap:wrap}.example-filters button{font-size:13px;border-radius:24px;padding:9px 16px}.example-filters [aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}#library-count{font-size:12px;margin:15px 0 20px}.example-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.example-card{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:white;border:1px solid #cbd6e1;border-radius:10px;padding:23px;transition:box-shadow .15s,border-color .15s}.example-card:hover{border-color:#5379b9;box-shadow:0 8px 20px #18354f12}.card-meta{font-size:11px;color:#536575;display:flex;justify-content:space-between;gap:12px;margin-bottom:25px}.card-meta>span{white-space:nowrap}.example-card h3{font-size:23px;letter-spacing:-.5px;line-height:1.2;margin-bottom:12px}.example-card p{font-size:14px;color:var(--muted);margin:0 0 18px}.example-card .card-question{font-size:15px;color:#213c53;font-weight:600}.card-action{margin-top:auto;padding-top:16px;border-top:1px solid #e2e7ee;display:flex;justify-content:space-between;color:#2457aa;font-size:14px;font-weight:600}.library-next{display:flex;align-items:center;justify-content:space-between;gap:28px;margin:40px 0 10px;padding-top:28px;border-top:1px solid var(--line)}.library-next h2{font-size:22px}.library-next p{max-width:680px;color:var(--muted);font-size:14px}.library-next a{flex-shrink:0}.example-navigation{margin:24px 28px 0;display:flex;align-items:center;gap:22px;font-size:13px}.example-navigation>a{font-weight:600}.example-navigation>span{color:var(--muted);flex:1}.example-navigation button{font-size:13px}.brief h1{max-width:850px}#example-title:focus,#library-title:focus,#completion-title:focus{outline:none}.result-next{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;border-top:1px solid var(--line);padding-top:24px;margin-top:24px}.result-next h3{font-size:22px}.result-next p{max-width:600px;color:var(--muted)}.result-next>div:last-child{border-left:1px solid var(--line);padding-left:28px}.result-next>div:last-child a{display:block;margin:18px 0}.related-link{font-size:20px;font-weight:600}.notebook #finish-prompt{grid-column:1/-1}#case-form{border:0;padding:0;margin:25px 0 18px}#case-form legend{font-weight:600;line-height:1.5;margin-bottom:14px}.evidence-option{display:grid;grid-template-columns:22px 1fr;gap:4px 10px;padding:13px;border:1px solid var(--line);border-radius:6px;margin-bottom:10px;font-size:14px;cursor:pointer}.evidence-option input{width:18px;height:18px;min-height:0;margin:1px 0;grid-row:span 2;accent-color:var(--blue)}.evidence-option span{font-size:12px;color:var(--muted)}.writer-expression{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--ink);color:#edf5ff;padding:18px;border-radius:7px;line-height:1.8;font-size:15px}#case-feedback{font-size:14px;margin-top:14px}#case-feedback:not(:empty){padding:12px;background:#edf3ff;border-left:3px solid var(--blue)}
@media(max-width:1000px){.example-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.recommended{align-items:flex-start;flex-direction:column}.result-next{gap:20px}}@media(max-width:650px){.example-library{padding:28px 16px 8px}.library-intro>p:not(.eyebrow){font-size:16px}.recommended{padding:22px;margin:24px 0 32px;gap:20px}.recommended h2{font-size:24px}.recommended .primary{width:100%}.example-cards{grid-template-columns:1fr;gap:12px}.example-card{padding:20px}.example-card h3{font-size:22px}.card-meta{margin-bottom:17px}.example-filters{gap:6px}.example-filters button{font-size:12px;padding:8px 12px}.library-next{display:block}.example-navigation{margin:16px 16px 0;gap:12px;flex-wrap:wrap}.example-navigation>span{order:3;flex-basis:100%;font-size:12px}.example-navigation button{margin-left:auto}.result-next{display:block}.result-next>div:last-child{border-left:0;border-top:1px solid var(--line);padding:22px 0 0;margin-top:24px}.result-next .primary{font-size:14px}.sample-label{display:none}#step-guide{scroll-margin-top:12px}}

.notebook #continue-prompt{grid-column:1/-1}.notebook #continue-example{color:var(--blue);border-color:#9ab3d9;}
/* Task guidance: one action surface, compact at phone width. */
.guide{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center}.guide>.guide-summary{display:flex;gap:12px;align-items:center;min-width:0}.guide .step-count{flex:none;grid-row:auto}.guide>.guide-actions{display:flex;flex:none;gap:8px;align-items:center}.guide #step-details{grid-column:1/-1;display:block;border-top:1px solid #bacbea;padding-top:12px}.guide #step-hint{font-size:15px;line-height:1.5;color:#405577;margin:0 0 12px}#guide-step-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;list-style:none;padding:0;margin:0}#guide-step-list button{display:flex;gap:8px;align-items:center;text-align:left;width:100%;font-size:14px}#guide-step-list button[aria-current]{border:2px solid var(--blue)}#guide-step-list small{margin-left:auto;font-size:12px;color:var(--muted);white-space:nowrap}.guide-options{display:flex;gap:20px;margin-top:8px}.practice-jobs{margin-bottom:14px;border-bottom:1px solid var(--line)}.practice-jobs summary{font-size:16px;line-height:1.5}.practice-jobs summary span{font-size:14px;color:var(--blue);font-weight:400;margin-left:8px}.practice-jobs .practice-picker{margin:12px 0}.fb-case-summary{margin:12px 0;font-size:15px}.fb-case-summary>summary{color:var(--blue)}.fb-case-summary p{overflow-wrap:anywhere}#practice-editor .fb-compose{scroll-margin-top:16px}.fb-compose [data-action=case-starter]{margin-top:0}.guide-running #finish-prompt{display:none!important}#active-example :is(button,a,input,select,textarea,summary,h2,h3){scroll-margin-top:16px;scroll-margin-bottom:calc(var(--guide-space,0px) + 20px)}html{scroll-padding-bottom:calc(var(--guide-space,0px) + 20px)}
@media(max-width:900px){
 .guide-running:not(.guide-inline){padding-bottom:var(--guide-space,0px)}
 .guide-running:not(.guide-inline) #step-guide{position:fixed;z-index:40;bottom:0;left:0;right:0;margin:0;border-radius:0;border:0;border-top:1px solid #94acce;background:#eef3ff;box-shadow:0 -3px 18px #12243a18;padding:10px max(16px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));grid-template-columns:minmax(0,1fr);gap:8px}
 .guide-running .guide-summary strong{font-size:15px;line-height:1.4;font-weight:600}
 .guide-running .guide .step-count{font-size:13px;padding:5px 8px;border-radius:4px;min-width:49px;text-align:center}
 .guide-running .guide>.guide-actions{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;width:100%}
 .guide-running .guide .primary{margin:0;font-size:16px;min-height:48px;padding:10px 12px}
 .guide-running #guide-details-toggle{font-size:14px;min-height:48px;padding:10px 12px;background:#fff}
 .guide-running #step-details{order:-1;max-height:36dvh;overflow:auto;overscroll-behavior:contain;border-top:0;border-bottom:1px solid #bacbea;padding:0 0 12px}
 #guide-step-list{grid-template-columns:1fr}.guide-options{gap:10px;justify-content:space-between}.guide-options button{min-height:44px;font-size:14px}
 .guide-inline #step-guide{position:static;margin:12px;grid-template-columns:1fr}.guide-inline .guide-summary{display:flex}.guide-inline .guide .primary{margin:0}
 .brief{padding-top:16px;padding-bottom:16px}.brief .eyebrow{display:none}.brief h1{font-size:25px;line-height:1.2;margin-bottom:8px}.example-navigation{margin-top:12px}.example-navigation>span{display:none}
 .topbar nav .cta{display:none}.topbar{min-height:54px;padding-top:10px;padding-bottom:10px}.topbar nav>a:first-child{display:inline}.topbar nav{font-size:13px}.topbar .brand{max-width:none}.topbar .brand span{display:inline}
 .module-heading{padding-top:16px}.module-heading .eyebrow{display:none}.module-heading h2{font-size:21px}.module-heading .badge{font-size:11px}.module-heading p:last-child{font-size:14px}
 .fieldbook-mode .view-content{padding:16px}.fieldbook-mode .view-content>.eyebrow{display:none}.fieldbook-mode .fb-storage{margin-top:8px;padding:.5rem .75rem}.fieldbook-mode .fb-compose{margin-top:12px}.fieldbook-mode .fb-compose h3{margin-bottom:8px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.example-card{transition:none}}

@media(max-width:900px){.fieldbook-mode .module-heading .badge{display:none}.fieldbook-mode .module-heading{padding-bottom:12px}.fieldbook-mode .practice-jobs summary span{display:block;margin-left:17px}.guide :is(button,a){scroll-margin-bottom:12px}.guide-inline #step-guide #step-details{max-height:none}}
/* Case metadata spans both desktop editor columns; entry and handoff share the next row. */
.fieldbook-mode .fb-case-summary{grid-column:1/-1}