:root{--navy:#122b41;--ink:#183044;--muted:#526678;--blue:#1266a3;--teal:#007e78;--light:#f2f5f8;--line:#d5dfe7;--white:#fff;--gold:#e7b54f;--red:#ac3545;--radius:14px;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;color:var(--ink);background:var(--light)}*{box-sizing:border-box}body{margin:0}header{height:98px;display:flex;align-items:center;justify-content:space-between;background:#fff;padding:0 max(5vw,24px);border-bottom:1px solid var(--line)}a{color:var(--blue);text-underline-offset:3px}.brand{text-decoration:none;color:var(--ink);display:flex;gap:14px;align-items:center;font-size:21px;letter-spacing:-.6px}.brand b{font-weight:400}.brand small{display:block;font-size:11px;font-weight:700;letter-spacing:2.2px;margin-top:5px}.brandmark{background:var(--navy);color:white;padding:10px 11px;border-radius:8px;font-weight:700;font-size:22px;letter-spacing:-2px}.brandmark span{color:#7dd2ce}nav{display:flex;gap:26px}nav a{text-decoration:none;font-size:15px;font-weight:600;color:var(--muted)}nav a:hover{color:var(--blue)}main{max-width:1350px;margin:auto;padding:42px max(3vw,22px) 60px;min-height:calc(100vh - 178px)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(30px,3vw,46px);font-weight:650;line-height:1.13;letter-spacing:-1.5px;margin-bottom:18px}h2{font-size:27px;letter-spacing:-.5px;font-weight:650}h3{font-size:18px;margin-bottom:12px}p{line-height:1.65}small,.small{font-size:13px;line-height:1.6}.muted{color:var(--muted)}.eyebrow{font-size:12px;font-weight:750;letter-spacing:1.8px;text-transform:uppercase;color:var(--teal);margin-bottom:18px}.intro{display:grid;grid-template-columns:1.13fr 1fr;gap:58px;align-items:start}.case-intro{padding:14px 0}.lede{font-size:18px;max-width:560px;color:var(--muted)}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:30px}.entry{box-shadow:0 14px 40px #122b4109}.panel .eyebrow{margin-bottom:12px}.flow{margin:28px 0;display:flex;gap:6px;align-items:center}.flow div{padding:15px 12px;border:1px solid var(--line);background:#fff;flex:1;text-align:center;border-radius:9px;min-height:94px}.flow strong{display:block;font-size:15px;margin-bottom:5px}.flow small{font-size:12px;color:var(--muted)}.arrow{color:var(--teal);font-size:20px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;border-top:1px solid var(--line);padding-top:25px}.stats strong{font-size:24px;font-weight:650;display:block}.stats span{font-size:13px;color:var(--muted)}label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}input,textarea,select{width:100%;font:inherit;color:var(--ink);border:1px solid #afbdca;border-radius:7px;background:white;padding:12px;min-height:46px}input:focus,textarea:focus,select:focus{outline:3px solid #b1dced;outline-offset:1px;border-color:var(--blue)}textarea{resize:vertical;line-height:1.65;min-height:130px}.field{margin-bottom:20px}.field small{display:block;margin-top:7px;color:var(--muted)}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:18px}button,.button{font:inherit;font-size:15px;font-weight:650;cursor:pointer;border:1px solid transparent;border-radius:7px;padding:12px 19px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;background:var(--blue);color:white}button:hover,.button:hover{filter:brightness(.95)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #69b8d8;outline-offset:4px}button:disabled{opacity:.5;cursor:wait}.secondary{background:#fff;color:var(--ink);border-color:#afbdca}.ghost{background:transparent;color:var(--blue);padding:8px 0;min-height:36px}.wide{width:100%}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.actions.between{justify-content:space-between}.entry details{border-top:1px solid var(--line);padding-top:20px;margin-top:24px}summary{cursor:pointer;font-size:14px;font-weight:600;line-height:1.7}details p{margin-top:14px}.demo-note{font-size:13px;background:#eaf3f9;color:#254c6d;border-left:3px solid var(--blue);padding:10px 14px;margin-bottom:22px}.callout{background:#edf6f5;border-left:3px solid var(--teal);padding:14px 18px;line-height:1.65;font-size:14px;margin:18px 0}.warning{background:#fff6e1;border-color:#bc8a20}.topline{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}.topline h1{font-size:30px;margin-bottom:6px;letter-spacing:-.8px}.pill{display:inline-block;font-size:12px;letter-spacing:.3px;background:#dfeeea;color:#15584a;padding:7px 10px;border-radius:20px;font-weight:700}.workspace{display:grid;grid-template-columns:240px minmax(0,1fr);gap:30px}.sidebar{position:sticky;top:20px;align-self:start}.steps{display:grid;gap:8px;margin-bottom:25px}.step{background:none;color:var(--muted);text-align:left;justify-content:flex-start;padding:14px;gap:13px;width:100%;font-size:14px}.step.active{background:var(--navy);color:white}.step-number{font-weight:700;border:1px solid #a7b6c2;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;flex-shrink:0}.step small{display:block;font-weight:400}.step.active .step-number{border-color:#72b1c5}.reference{font-size:14px;padding:20px;background:#e5ecf2;border-radius:10px}.reference dl{display:grid;grid-template-columns:1fr auto;gap:12px;margin:0}.reference dt{color:var(--muted)}.reference dd{margin:0;font-weight:650;text-align:right}.progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:10px}progress{width:100%;height:7px;border:0;border-radius:5px;overflow:hidden;background:#dae2e9;accent-color:var(--teal);margin-bottom:24px}progress::-webkit-progress-bar{background:#dae2e9}progress::-webkit-progress-value{background:var(--teal)}.question{padding:32px 36px}.question-heading{display:flex;justify-content:space-between;gap:16px;align-items:start}.question-heading h2{margin-bottom:14px}.points{font-size:13px;color:var(--muted);white-space:nowrap;border:1px solid var(--line);padding:6px 10px;border-radius:6px}.question>p{color:var(--muted);max-width:760px}.number-entry{max-width:270px;position:relative}.number-entry input{padding-right:42px;font-size:25px;min-height:62px}.number-entry span{position:absolute;right:17px;top:17px;color:var(--muted);font-size:22px}.question-bottom{border-top:1px solid var(--line);padding-top:22px;margin-top:28px}.saved{font-size:13px;color:var(--muted)}.scenario{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}.scenario-head{display:flex;align-items:center;gap:14px;justify-content:space-between}.scenario-head h3{margin:0}.scenario .field{margin-top:15px}.scenario select{max-width:245px}.scenario textarea{min-height:90px}.context{margin-top:25px}.context p{font-size:14px}.result-top{display:flex;gap:25px;align-items:center;margin:24px 0}.score{font-size:54px;letter-spacing:-2px;color:var(--teal);line-height:1}.score small{font-size:21px;color:var(--muted);letter-spacing:0}.score-caption{font-size:13px;color:var(--muted);margin-top:8px}.result-row{display:grid;grid-template-columns:1fr 80px;gap:14px;border-top:1px solid var(--line);padding:18px 0}.result-row h3{font-size:16px;margin-bottom:7px}.result-row p{font-size:14px;color:var(--muted);margin:0}.result-row .mark{text-align:right;font-weight:700;font-size:15px}.result-row.pending .mark{color:#966b19}.toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:end;margin:22px 0}.toolbar .field{margin:0;min-width:230px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}th{text-align:left;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.7px}td,th{padding:16px 12px;border-bottom:1px solid var(--line);vertical-align:top}td strong{display:block}td small{color:var(--muted)}.empty{text-align:center;padding:50px;color:var(--muted)}.review-answers{background:var(--light);padding:20px;border-radius:8px;white-space:pre-wrap;line-height:1.65;font-size:14px;margin:18px 0;max-height:500px;overflow:auto}.review-grid{display:grid;grid-template-columns:1fr 130px;gap:14px;align-items:center}.review-grid label{margin:0}.review-grid select{margin:4px 0}.login{max-width:470px;margin:25px auto}.loading{padding:80px;text-align:center;color:var(--muted)}#notice:empty{display:none}#notice{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--navy);color:white;z-index:10;max-width:650px;width:calc(100% - 40px);padding:16px 20px;border-radius:10px;box-shadow:0 5px 30px #122b4126;font-size:15px}#notice.error{background:#812c3b}footer{display:flex;justify-content:space-between;gap:15px;font-size:12px;color:var(--muted);padding:24px max(5vw,24px);border-top:1px solid var(--line)}.skip{position:absolute;top:-100px;z-index:30}.skip:focus{top:5px;background:white;padding:12px}.return-code{word-break:break-all;font:14px ui-monospace,monospace;background:white;padding:12px;display:block;border-radius:5px;margin:12px 0}.error-text{color:var(--red);font-size:14px;line-height:1.7}.feedback-tools{margin-top:24px}.glossary{display:grid;grid-template-columns:1fr 1fr;gap:20px}.glossary p{font-size:14px}.glossary b{display:block;margin-bottom:5px}
@media(max-width:950px){.intro{gap:30px}.workspace{grid-template-columns:195px minmax(0,1fr);gap:18px}.question{padding:26px}.sidebar .reference{padding:14px}.flow{gap:3px}.flow div{padding:12px 6px}.reference dl{font-size:12px}}
@media(max-width:730px){header{height:82px;padding:0 20px}.brand{font-size:17px;gap:9px}.brand small{font-size:9px;letter-spacing:1.5px}nav{gap:15px}nav a{font-size:13px}.brandmark{font-size:19px;padding:9px}main{padding:25px 18px 40px}.intro{grid-template-columns:1fr;gap:20px}.case-intro{padding:0}.lede{font-size:16px}.stats{padding-top:18px}.flow{margin:20px 0}.workspace{grid-template-columns:1fr}.sidebar{position:static}.steps{grid-template-columns:repeat(4,1fr);gap:5px;margin-bottom:10px}.step{padding:10px 5px;justify-content:center;font-size:12px;gap:5px;flex-direction:column;text-align:center}.step small{display:none}.step-number{width:23px;height:23px}.sidebar .reference{display:none}.progress-label,progress{display:none}.question{padding:24px 20px}.topline{align-items:start}.topline h1{font-size:24px}.question-heading{display:block}.points{display:inline-block;margin-bottom:15px}.panel{padding:24px 20px}.twocol{grid-template-columns:1fr;gap:0}.scenario-head{display:block}.scenario-head select{max-width:none;margin-top:15px}.topline .actions{gap:5px}.topline button{font-size:12px;padding:8px;min-height:38px}.glossary{grid-template-columns:1fr;gap:0}footer{display:block;padding:22px}footer span{display:block;line-height:1.9}.review-grid{grid-template-columns:1fr 95px}.result-top{gap:15px}.score{font-size:43px}}
@media(prefers-reduced-motion:no-preference){button,a,input,textarea{transition:background .15s,border-color .15s,opacity .15s}}