
:root{--bg:#f3f5f8;--ink:#152638;--muted:#566778;--line:#d5dee7;--accent:#116b63;--pale:#e8f4ef;--bad:#a52b35;--gold:#ab6b12}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,Segoe UI,sans-serif}header{background:#12283c;color:white;padding:22px max(24px,calc((100vw - 1180px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}header small{color:#bdd2df;letter-spacing:.13em;font-size:11px}header strong{display:block;font-size:20px;font-weight:650}.tag{border:1px solid #688492;border-radius:30px;padding:5px 12px;font-size:12px}main{max-width:1180px;margin:32px auto;padding:0 24px}h1{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.035em;margin:10px 0 18px}h2{font-size:23px;line-height:1.45;margin:12px 0 24px}h3{margin:10px 0}.lead{color:var(--muted);max-width:740px}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 4px 20px #15263805}.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--accent);font-size:12px;font-weight:750}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0}.metric{background:white;border:1px solid var(--line);padding:18px;border-radius:12px}.metric strong{font-size:28px;display:block;line-height:1.3}.metric span{font-size:13px;color:var(--muted)}button,select,input{font:inherit}button{cursor:pointer;border:1px solid var(--line);border-radius:9px;background:white;color:var(--ink);padding:10px 17px;font-weight:600}button:hover{border-color:var(--accent);background:#edf5f2}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:white}button.primary:hover{background:#08584f}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #de9a2e;outline-offset:3px}a{color:var(--accent)}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:22px}.settings{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:22px}.settings label{display:flex;gap:9px;align-items:center}select{padding:8px;border:1px solid var(--line);border-radius:7px;background:white;max-width:100%}.note{color:var(--muted);font-size:13px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:22px;align-items:start}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:18px}.timer{font-variant-numeric:tabular-nums;font-size:24px;font-weight:750}.urgent{color:var(--bad)}progress{width:100%;height:7px;accent-color:var(--accent)}.options{display:grid;gap:12px}label.option{display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);padding:15px;border-radius:10px;cursor:pointer}label.option:hover{background:#f4f8f9}label.option.selected{background:#edf6f3;border-color:var(--accent)}.option input{margin-top:7px;accent-color:var(--accent);width:17px;height:17px;flex-shrink:0}.letter{font-weight:700;color:var(--muted);margin-right:8px}.question-footer{display:flex;justify-content:space-between;gap:15px;margin-top:25px;flex-wrap:wrap}.navgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:18px 0}.navgrid button{position:relative;padding:7px 0;border-radius:7px;font-size:13px}.navgrid .answered{background:var(--pale);border-color:#7db6a6}.navgrid .current{outline:2px solid var(--accent);outline-offset:1px}.navgrid .flagged::after{content:'•';position:absolute;right:3px;top:-6px;color:var(--gold);font-size:22px}.legend{font-size:12px;color:var(--muted)}.review-item{margin-top:18px;border-left:4px solid var(--bad)}.review-item.correct{border-left-color:var(--accent)}.review-option{padding:10px 13px;border:1px solid var(--line);border-radius:8px;margin:8px 0}.review-option.key{background:var(--pale);border-color:#7db6a6}.review-option.wrong{background:#fff0f0;border-color:#df9ca2}.explanation{padding:15px;background:#f3f6fa;border-radius:9px;margin-top:16px}.pill{display:inline-block;padding:2px 9px;border-radius:20px;background:#edf1f5;font-size:12px;margin:0 5px 5px 0}.score{font-size:64px;font-weight:760;letter-spacing:-.06em;line-height:1.1}.domain-row{display:grid;grid-template-columns:1fr auto;gap:6px;margin-top:18px}.domain-row progress{grid-column:1/-1}.hidden{display:none!important}dialog{border:1px solid var(--line);border-radius:16px;padding:28px;max-width:500px;width:calc(100% - 36px);color:var(--ink)}dialog::backdrop{background:#12283c99}.status{color:var(--accent);font-size:13px;min-height:20px}footer{max-width:1180px;margin:30px auto;padding:0 24px 30px;color:var(--muted);font-size:12px}#exam aside{position:sticky;top:20px}#review h2{font-size:20px}#review .card{break-inside:avoid}fieldset{border:0;padding:0;margin:0}legend{padding:0} .source-list{font-size:13px}.source-list li{margin:7px 0}@media(max-width:850px){.layout{grid-template-columns:1fr}#exam aside{position:static}.metrics{grid-template-columns:repeat(2,1fr)}.navgrid{grid-template-columns:repeat(10,1fr)}.card{padding:22px}header{padding:18px 24px}}@media(max-width:460px){main{padding:0 14px;margin-top:22px}.navgrid{grid-template-columns:repeat(5,1fr)}header .tag{display:none}.toolbar{align-items:flex-start}.question-footer button{padding:10px 12px}}@media print{header,.actions,#reviewControls,footer,button{display:none!important}body{background:white}.card{box-shadow:none}main{max-width:none;margin:0;padding:0}.review-item{page-break-inside:avoid}.metrics{grid-template-columns:repeat(4,1fr)}}

.sitenav{display:flex;flex-wrap:wrap;gap:.55rem 1.15rem;margin-bottom:24px}.sitenav a{font-weight:650;text-decoration:none;padding:6px 0}.sitenav a[aria-current=page]{border-bottom:2px solid var(--accent)}.sheet{display:grid;grid-template-columns:1fr 1fr;gap:18px}.sheet h2{margin-bottom:12px}.sheet li{margin:8px 0}.sheet ul{padding-left:20px}.livebar{position:sticky;top:0;z-index:2;background:var(--bg);padding:8px 0}.plainlink{overflow-wrap:anywhere}#studyQuestion{margin-bottom:10px}.hint{background:var(--pale);border-radius:8px;padding:12px}.result-key{border-left:4px solid var(--accent)}@media(max-width:690px){.sheet{grid-template-columns:1fr}.livebar{gap:8px}.timer{font-size:20px}}@media print{.sitenav{display:none}.sheet{display:block}.sheet article{margin-bottom:12px;break-inside:avoid}}
:root{--bg:#f7f5f1;--ink:#181410;--muted:#5a514a;--line:#ded6ce;--accent:#9d3500}
.upo-header{background:#ff6600;color:#15100c;justify-content:flex-start;gap:20px}
.wordmark{display:grid;flex:none;color:#17120f;text-decoration:none;font:900 22px/.88 Impact,"Arial Narrow",sans-serif;letter-spacing:-.015em}
.wordmark span:last-child{color:#fff}.brand-title{min-width:0}.brand-title small{color:#17120f;font-weight:800}.brand-title strong{font-weight:850;line-height:1.15}.plane{margin-left:auto;width:96px;flex:none}.prep-page .upo-header{padding-block:27px}.prep-page .plane{width:155px}.prep-page .wordmark{font-size:32px}.prep-page .brand-title strong{font-size:clamp(19px,3vw,30px)}
h1,h2{font-family:"Arial Narrow",system-ui,sans-serif;font-weight:850}
button.primary,.cta{background:#17120f;border-color:#17120f;color:white}.cta{display:inline-block;padding:9px 15px;border-radius:7px;text-decoration:none;font-weight:700}button.primary:hover,.cta:hover{background:#813000;border-color:#813000}
.sitenav a{color:var(--ink)}.sitenav a[aria-current=page]{border-color:#e65b00}.start-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}.start-grid h2,.prep-block h2{margin:8px 0 12px}.prep-block{margin:16px 0}
.resource-list{list-style:none;padding:0}.resource-list li{padding:9px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.resource-list li:last-child{border:0}.resource-list b{display:inline-block;margin:0 5px 3px 0;background:#26201a;color:white;padding:2px 6px;border-radius:3px;font-size:11px}.resource-list .note{display:block}.sendoff{background:#ff6600;padding:18px 24px;border-radius:10px}.sendoff p{margin-bottom:4px}
.sheet article .eyebrow{display:inline-block;background:#17120f;color:white;padding:2px 8px;border-radius:3px}
@media(max-width:630px){.start-grid{grid-template-columns:1fr}.upo-header{gap:13px}.prep-page .plane,.plane{width:55px}.prep-page .wordmark,.wordmark{font-size:20px}.brand-title small{font-size:9px}.brand-title strong,.prep-page .brand-title strong{font-size:17px}.sitenav{gap:4px 13px}}
@media(max-width:390px){.upo-header{padding-inline:14px}.plane,.prep-page .plane{width:42px}}
@media print{.sheet article .eyebrow{background:none;color:black;padding:0}.sendoff{background:white;border:1px solid black}}

.answer-item{margin:16px 0}.answer-item ol{padding-left:24px}.domain-name{margin-top:-8px}.print-controls{margin-bottom:20px}@media print{.answer-key .print-controls{display:none}.answer-item{break-inside:avoid;box-shadow:none;margin:9pt 0;padding:10pt}.answer-item h2{font-size:12pt;margin:4pt 0}.answer-item .review-option,.answer-item .explanation{padding:4pt;margin:3pt 0}.answer-key{font-size:10pt;line-height:1.35}}