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@media (max-width:1300px){.shell{grid-template-columns:213px minmax(0,1fr)}.analyze-layout{grid-template-columns:minmax(0,1fr) 250px}.reference-gallery{grid-template-columns:repeat(4,minmax(0,1fr))}.feature-panels img{height:245px}.grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:1050px){.rail{width:100%;height:auto;min-height:0;position:static;grid-row:1;padding:12px 20px;display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.shell{display:block}.brand{padding:0}.brand-icon{width:33px;height:33px}.brand strong{font-size:1.04rem}.brand small{font-size:.5rem}.rail-group-label,.rail-bottom{display:none}.primary-nav{display:flex;flex-wrap:wrap;gap:3px}.primary-nav a{padding:9px;font-size:.79rem}.nav-glyph{font-size:1.1rem}.utility-bar{min-height:57px}.analyze-layout{grid-template-columns:minmax(0,1fr)}.analyze-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:780px){.hero{grid-template-columns:1fr}.hero-side{display:none}.kpi-row{grid-template-columns:repeat(2,minmax(0,1fr))}.overview-grid,.research-columns,.source-grid{grid-template-columns:1fr}.stage-roadmap{grid-template-columns:repeat(3,minmax(0,1fr))}.study-comparison{grid-template-columns:1fr}.feature-panels{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-panels figure:last-child{grid-column:1/-1}.feature-panels img{height:230px}.result-explainer{grid-template-columns:1fr}.grade-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.mask-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.top-tag{display:none}}
@media (max-width:570px){body{font-size:14px}.rail{align-items:flex-start;gap:10px}.brand{width:100%}.primary-nav{width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}.primary-nav a{padding:7px 4px;text-align:center;display:grid;gap:5px;justify-items:center;font-size:.68rem}.nav-glyph{width:auto}.utility-bar{padding:10px 15px}.breadcrumb>span:first-child{display:none}.breadcrumb .slash{display:none}main{padding:19px 13px 42px}.hero{padding:26px 21px;min-height:auto}.hero h1{font-size:2.1rem}.hero-main p{font-size:.9rem}.hero-actions .btn{width:100%}.section-head{align-items:start}.section-head .context-tag{display:none}.kpi{padding:13px}.kpi-value{font-size:1.65rem}.stage-roadmap{grid-template-columns:repeat(2,minmax(0,1fr))}.stage-roadmap button{min-height:110px;padding:12px}.paper-panel{padding:16px}.form-section{padding:20px 16px}.advanced,.submit-row{padding:17px}.form-two,.analyze-aside{grid-template-columns:1fr}.reference-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}.sample img{height:67px}.feature-panels{grid-template-columns:1fr}.feature-panels figure:last-child{grid-column:auto}.feature-panels img{height:285px}.result-explainer{padding:13px}.grade-grid{grid-template-columns:1fr}.footer{display:grid}.chart-row{grid-template-columns:95px minmax(40px,1fr) 42px}.mask-gallery img{height:110px}.fields th,.fields td{padding:5px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}
/* IMARS: accessible operational research workflow, appended to existing design system */
.operational-roadmap{margin:18px 0;grid-template-columns:repeat(5,minmax(0,1fr))}
.roadmap-static{background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:14px;display:grid;gap:8px;min-width:0;font-weight:680;font-size:.83rem}
.roadmap-static b{background:#e2f6eb;color:#136d55;border-radius:8px;padding:5px;width:32px;text-align:center;font-size:.74rem}
#line-binding-wrap{border:1px solid var(--border);border-radius:12px;padding:18px;margin:16px 0;background:#f6faf7}
#line-binding-json{width:100%;border:1px solid var(--border);border-radius:9px;padding:11px;resize:vertical;min-height:105px;background:#fff;line-height:1.5;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.82rem}
#line-output .scroll-table{margin:14px 0 0}
#line-output .scroll-table table{min-width:690px}
#line-output .warning-line{margin-top:13px}
.pilot-figures{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:17px 0}
.pilot-figures figure{margin:0;background:#f5f8f6;border:1px solid var(--border);border-radius:12px;overflow:hidden}
.pilot-figures img{display:block;max-width:100%;width:100%;object-fit:contain;max-height:300px}
.pilot-figures figcaption{padding:10px;font-size:.8rem;color:var(--muted)}
.pilot-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.pilot-metrics>div{background:#f5f8f6;border:1px solid var(--border);border-radius:9px;padding:14px}
.pilot-metrics strong{display:block;font-size:1.3rem}
.pilot-metrics span{display:block;color:var(--muted);font-size:.78rem}
@media(max-width:790px){.operational-roadmap{grid-template-columns:repeat(2,minmax(0,1fr))}.pilot-figures,.pilot-metrics{grid-template-columns:1fr}}

/* IMARS v3.2: optional grid exploration and non-certifying decision policy */
.grid-choice-panel{background:linear-gradient(135deg,#f2f8f5,#ffffff);border:1px solid #ceded7;border-radius:13px;padding:17px;margin-top:16px}
.grid-choice-panel h3{font-size:1rem;margin:0 0 6px;color:#123d34}.grid-choice-panel .form-two{margin-top:12px}
.grid-comparison-panel{background:#f6faf8;border:1px solid #d1e0db;border-radius:14px;margin:18px 0;padding:18px}
.grid-comparison-head{display:flex;justify-content:space-between;align-items:center;gap:8px}.grid-comparison-head h4{margin:0;color:#104137}.grid-comparison-head strong{font-size:1.45rem;color:#137963}
.grid-comparison-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:16px;margin:13px 0}
.grid-comparison-body .heatmap{min-width:0;width:100%;max-width:480px;gap:2px;aspect-ratio:auto}.grid-comparison-body .heatcell{font-size:clamp(.55rem,.85vw,.9rem);min-height:25px;padding:3px 0}
.grid-comparison-body figure{margin:0;min-width:0}.grid-comparison-body img{width:100%;max-height:320px;object-fit:contain}
.structured-review{border:1px solid #bad9cf;border-left:5px solid #1c816c;background:#eef8f2;border-radius:12px;padding:17px 20px;margin:0 0 20px}
.structured-review p{margin:8px 0}.structured-review h4{font-size:1.1rem;margin:6px 0;color:#123d34}
#grid-study-panel{scroll-margin-top:18px}.study-downloads{display:flex;gap:15px;flex-wrap:wrap}.study-downloads a{font-weight:650;color:#0b6c57;text-decoration:underline}
@media(max-width:780px){.grid-comparison-body{grid-template-columns:1fr}.grid-comparison-body .heatmap{max-width:100%}}
@media(prefers-reduced-motion:reduce){.structured-review,.grid-choice-panel{animation:none}}
/* IMARS v3.4: restrained, accessible comparison and evidence provenance */
.grid-choice-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:12px}.grid-choice-actions .help-text{margin:0;flex:1;min-width:200px}.soft-divider{border:0;border-top:1px solid #d2e3d9;margin:15px 0}.grid-choice-panel label.field{margin-top:8px}.evidence-group{margin-top:16px}.evidence-group h5{font-size:.85rem;color:#184d40;margin:0 0 9px}.evidence-tag{display:inline-block;border-radius:7px;border:1px solid #bddbd0;background:#f3faf5;color:#31594c;font-size:.77rem;padding:6px 9px;font-weight:650;line-height:1.35}.evidence-group table td:last-child{min-width:165px}.evidence-group table td{vertical-align:middle}.mask-baseline-details{margin-top:14px;border-top:1px solid #d2e4d8;padding:15px 0}.mask-baseline-details summary{font-weight:700;color:#116a51}.mask-baseline-details .mask-gallery{margin-top:12px}.grid-comparison-body .heatcell{overflow:hidden}.grid-comparison-body .heatmap{max-width:370px}.feature-panels figure{min-width:0}@media(max-width:650px){.grid-choice-actions{align-items:stretch;flex-direction:column}.feature-panels{grid-template-columns:1fr}.feature-panels img{height:240px}.mask-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* IMARS v3.4: compact result table mobile containment.
   Long scientific descriptor names must wrap instead of widening the viewport. */
@media (max-width:570px){
  #stage-table .result-table{min-width:0;max-width:100%;overflow-x:auto}
  #stage-table .result-table table{width:100%;table-layout:fixed}
  #stage-table .result-table th:first-child,
  #stage-table .result-table td:first-child{width:55%}
  #stage-table .result-table th,
  #stage-table .result-table td{overflow-wrap:anywhere;word-break:normal;vertical-align:top}
}