:root{--blue:#005f8f;--dark:#004c73;--ink:#1f2937;--line:#bac8d5;--pale:#e8f3f8}*{box-sizing:border-box}body{margin:0;font:17px/1.55 Arial,Helvetica,sans-serif;color:var(--ink);background:#f7f9fb}a{color:var(--dark)}nav{background:white;border-bottom:1px solid var(--line)}.nav,main{max-width:1120px;margin:auto;padding:14px 20px}.nav{display:flex;gap:16px;flex-wrap:wrap}.nav a{font-weight:bold}main{padding-top:26px}h1,h2,h3{line-height:1.25;color:var(--dark)}h1{font-size:clamp(1.8rem,4vw,2.5rem);margin-top:0}.hero,.panel{background:white;border:1px solid var(--line);padding:22px;margin-bottom:20px}.hero{border-top:5px solid var(--blue);background:var(--pale)}.hero p{margin-bottom:0}.choices,.grid,.charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.choice{text-align:left;white-space:normal;min-height:135px}.choice strong{display:block;font-size:1.25rem;margin-bottom:10px}button{font:inherit;font-weight:bold;padding:10px 16px;border:2px solid var(--blue);border-radius:2px;background:var(--blue);color:white;cursor:pointer}button.secondary{background:white;color:var(--dark)}button:disabled{opacity:.6;cursor:default}:focus-visible{outline:3px solid #b45c00;outline-offset:3px}label{display:block;font-weight:bold;margin-bottom:7px}input,textarea,select{font:inherit;width:100%;padding:9px;border:1px solid #73869a;border-radius:2px;background:white;color:var(--ink)}textarea{min-height:105px;resize:vertical}input[type=radio],input[type=checkbox]{width:auto;margin-right:8px}fieldset{border:1px solid var(--line);margin:18px 0;padding:14px}legend{font-weight:bold}.field{margin-bottom:17px}.hint{font-size:.92rem;color:#435367}.steps{display:flex;gap:7px;flex-wrap:wrap;margin:18px 0}.steps button{background:white;color:var(--dark);font-size:.95rem}.steps button[aria-current=step]{background:var(--blue);color:white}.toolbar{display:flex;gap:12px;flex-wrap:wrap;justify-content:space-between;margin:16px 0}.status{font-size:.9rem}.error{background:#fff0ed;border-left:5px solid #9d2a16;padding:15px;color:#762010}.scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.93rem}th,td{border:1px solid var(--line);padding:8px;text-align:left}th{background:var(--pale)}td input{min-width:82px;width:100%;padding:7px}caption{text-align:left;font-weight:bold;margin:10px 0}.snapshot{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:12px}.metric{padding:14px;border:1px solid var(--line);background:var(--pale)}.metric strong{display:block;font-size:1.25rem}.chart{border:1px solid var(--line);padding:12px;background:white}.chart svg{display:block;width:100%;height:auto}.chart summary{font-size:.9rem}details{margin:10px 0;padding:10px;border:1px solid var(--line)}summary{cursor:pointer;font-weight:bold}.inline label{display:inline-block;margin-right:15px;font-weight:normal}.note{border-left:4px solid var(--blue);padding:10px 16px;background:var(--pale)}.report p{white-space:pre-wrap;overflow-wrap:anywhere}.report section{margin:20px 0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}@media(max-width:720px){.grid,.choices,.charts{grid-template-columns:1fr}main,.nav{padding-left:12px;padding-right:12px}.panel,.hero{padding:16px}.steps button{flex:1 0 28%}}@media print{nav,.hero,.steps,.toolbar,.no-print{display:none!important}body{background:white;font-size:11pt}.panel{border:0;padding:0}.chart,section,table{break-inside:avoid}}

progress{width:100%;height:20px;accent-color:var(--blue)}.category h3{margin-top:0}.category button{display:block;width:100%;margin:8px 0;text-align:left}.badge{font-size:.9rem;font-weight:bold}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.skip{position:absolute;top:-100px;left:12px;background:white;padding:12px;z-index:10}.skip:focus{top:8px}.result{border-left:5px solid var(--blue);padding:14px;background:var(--pale)}.report{overflow-wrap:anywhere}.report h3{margin-top:24px}input[type=checkbox]{min-width:20px;min-height:20px;vertical-align:middle}summary{min-height:36px}p,li,label{overflow-wrap:anywhere}button{min-height:44px}button:disabled{opacity:1;background:#e4e8eb;color:#46505a;border-color:#73869a}.check-feedback{min-height:1.5em}.field label input{margin-right:10px}.norm-data{font-size:.92rem}.metric{min-width:0}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Compact technical report; the assessment workflow retains its existing styles. */
.report>h2{font-size:18px;color:var(--ink)}
.report>h3{font-size:14px;text-transform:uppercase;border-top:1px solid var(--line);padding-top:10px;margin-top:24px;color:var(--ink)}
.report>h4{font-size:13px;margin:12px 0 4px;color:var(--ink)}
.report>p{font-size:14px;margin:4px 0 12px}
.report table{font-size:14px}

/* Student station directions and immediate results. */
.station-guide ol{padding-left:1.5rem;max-width:75ch}
.station-guide li{margin:.65rem 0;padding-left:.25rem}
.activity-image{margin:1rem 0;padding:1rem;border:1px solid var(--line);border-radius:8px;background:#fff;max-width:600px}
.activity-image img{display:block;width:100%;max-width:420px;height:220px;object-fit:contain;margin:auto}
.activity-image figcaption{font-size:.9rem;margin-top:.75rem;line-height:1.5}
.result-panel{margin:1.5rem 0;border-left:5px solid var(--blue)}
.result-panel h3{margin-top:0}
.result-value{font-size:clamp(1.4rem,4vw,2rem);font-weight:700;color:var(--dark);line-height:1.3;overflow-wrap:anywhere}
.unit-conversion{font-weight:600;background:#fff;border:1px solid var(--line);padding:.75rem;border-radius:4px}