body[data-mit-exercise="true"]{--ink:#333399;--muted:#333399;--green:#333399;--mint:#e9e9f5;--paper:#fafaff;--white:#fff;--line:#e9e9f5;--yellow:#b9b9df;--purple:#fafaff;--orange:#fceeed;--radius:18px}
body[data-mit-exercise="true"] *{box-sizing:border-box}
body[data-mit-exercise="true"]{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px;line-height:1.55}
body[data-mit-exercise="true"] button,body[data-mit-exercise="true"] input,body[data-mit-exercise="true"] select{font:inherit}
body[data-mit-exercise="true"] button,body[data-mit-exercise="true"] a{touch-action:manipulation}
body[data-mit-exercise="true"] button{cursor:pointer}
body[data-mit-exercise="true"] a{color:inherit}
body[data-mit-exercise="true"] button{color:inherit}
body[data-mit-exercise="true"] button:focus-visible,body[data-mit-exercise="true"] a:focus-visible,body[data-mit-exercise="true"] input:focus-visible,body[data-mit-exercise="true"] select:focus-visible,body[data-mit-exercise="true"] summary:focus-visible{outline:3px solid #b9b9df;outline-offset:4px}
body[data-mit-exercise="true"] button{border:0}
body[data-mit-exercise="true"] h1,body[data-mit-exercise="true"] h2,body[data-mit-exercise="true"] h3,body[data-mit-exercise="true"] h4,body[data-mit-exercise="true"] p{margin:0}
body[data-mit-exercise="true"] h1,body[data-mit-exercise="true"] h2,body[data-mit-exercise="true"] h3{line-height:1.18}
body[data-mit-exercise="true"] h1{font-size:clamp(34px,4vw,54px);letter-spacing:-2px;font-weight:620}
body[data-mit-exercise="true"] h2{font-size:27px;letter-spacing:-.7px}
body[data-mit-exercise="true"] h3{font-size:19px;letter-spacing:-.3px}
body[data-mit-exercise="true"] small,body[data-mit-exercise="true"] .small{font-size:12px}
body[data-mit-exercise="true"] svg{display:block}
body[data-mit-exercise="true"] button svg{flex-shrink:0}
body[data-mit-exercise="true"] .skip{position:fixed;left:20px;top:-80px;z-index:100;background:white;padding:12px}
body[data-mit-exercise="true"] .skip:focus{top:20px}
body[data-mit-exercise="true"] .shell{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:100vh}
body[data-mit-exercise="true"] .sidebar{position:sticky;top:0;height:100vh;background:#333399;color:#fafaff;padding:30px 22px;display:flex;flex-direction:column;overflow-y:auto}
body[data-mit-exercise="true"] .brand{display:flex;gap:10px;align-items:center;text-decoration:none}
body[data-mit-exercise="true"] .brand-mark{flex-shrink:0;display:grid;place-items:center;background:var(--yellow);color:var(--ink);width:39px;height:39px;border-radius:11px;font-weight:800;font-size:13px;letter-spacing:-.7px}
body[data-mit-exercise="true"] .brand b{font-size:17px;letter-spacing:-.4px}
body[data-mit-exercise="true"] .brand small{display:block;color:#d4d4e1;font-size:10px;letter-spacing:1.3px;text-transform:uppercase}
body[data-mit-exercise="true"] .sidebar-caption{color:#d4d4e1;font-size:10px;letter-spacing:1.6px;margin:35px 12px 12px;text-transform:uppercase}
body[data-mit-exercise="true"] .nav{display:flex;flex-direction:column;gap:5px}
body[data-mit-exercise="true"] .nav a{color:#d4d4e1;display:flex;gap:12px;align-items:center;border-radius:9px;padding:11px 12px;text-decoration:none;font-size:13px;line-height:1.4}
body[data-mit-exercise="true"] .nav a:hover{background:#333399}
body[data-mit-exercise="true"] .nav a.active{background:#e9e9f5;color:#333399;font-weight:600}
body[data-mit-exercise="true"] .nav-num{font-size:11px;font-variant-numeric:tabular-nums;opacity:.7}
body[data-mit-exercise="true"] .main{padding:0 42px 50px;min-width:0;max-width:1440px;width:100%;margin:0 auto}
body[data-mit-exercise="true"] .topbar{min-height:89px;display:flex;align-items:center;gap:18px;border-bottom:1px solid var(--line);margin-bottom:34px}
body[data-mit-exercise="true"] .breadcrumb{font-size:12px;color:var(--muted);white-space:nowrap}
body[data-mit-exercise="true"] .searchbox{margin-left:auto;position:relative;width:300px}
body[data-mit-exercise="true"] .searchbox input{background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 14px 11px 39px;width:100%;font-size:12px;color:var(--ink)}
body[data-mit-exercise="true"] .searchbox svg{position:absolute;top:13px;left:13px;color:#333399}
body[data-mit-exercise="true"] .top-print{background:none;border:1px solid var(--line);border-radius:9px;padding:9px 12px;font-size:12px;white-space:nowrap}
body[data-mit-exercise="true"] .hero{display:grid;grid-template-columns:minmax(0,1fr) 245px;gap:35px;align-items:center;margin-bottom:31px}
body[data-mit-exercise="true"] .eyebrow{display:flex;align-items:center;gap:9px;text-transform:uppercase;letter-spacing:1.7px;font-size:10px;font-weight:650;margin-bottom:17px}
body[data-mit-exercise="true"] .dot{width:7px;height:7px;border-radius:50%;background:#333399}
body[data-mit-exercise="true"] .hero p{max-width:560px;margin-top:18px;color:var(--muted);font-size:14px;line-height:1.75}
body[data-mit-exercise="true"] .hero-note{background:var(--yellow);padding:23px;border-radius:var(--radius);transform:rotate(2deg)}
body[data-mit-exercise="true"] .hero-note .note-top{font-size:10px;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
body[data-mit-exercise="true"] .hero-note b{display:block;font-size:21px;font-weight:600;line-height:1.35;letter-spacing:-.6px}
body[data-mit-exercise="true"] .hero-note small{display:block;margin-top:17px;color:#333399}
body[data-mit-exercise="true"] .stats{display:flex;gap:23px;margin-top:22px;font-size:11px;color:var(--muted)}
body[data-mit-exercise="true"] .stats b{font-size:15px;color:var(--ink);margin-right:5px}
body[data-mit-exercise="true"] .section-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:30px 0 16px}
body[data-mit-exercise="true"] .section-top h2{font-size:22px}
body[data-mit-exercise="true"] .muted{color:var(--muted)}
body[data-mit-exercise="true"] .session-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
body[data-mit-exercise="true"] .session-card{display:block;text-decoration:none;min-height:177px;border:1px solid var(--line);border-radius:14px;padding:19px;background:var(--white);transition:transform .15s,border-color .15s}
body[data-mit-exercise="true"] .session-card:hover{transform:translateY(-3px);border-color:#333399}
body[data-mit-exercise="true"] .session-card .badge{display:flex;align-items:center;justify-content:space-between;font-size:10px;margin-bottom:23px}
body[data-mit-exercise="true"] .round{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;font-size:11px;font-weight:650;background:var(--mint)}
body[data-mit-exercise="true"] .session-card:nth-child(2) .round{background:var(--purple)}
body[data-mit-exercise="true"] .session-card:nth-child(3) .round{background:var(--yellow)}
body[data-mit-exercise="true"] .session-card:nth-child(4) .round{background:var(--orange)}
body[data-mit-exercise="true"] .session-card h3{font-size:17px;line-height:1.35;margin-bottom:12px}
body[data-mit-exercise="true"] .session-card p{font-size:11px;color:var(--muted)}
body[data-mit-exercise="true"] .finder{margin-top:28px;background:#e9e9f5;border:1px solid #e9e9f5;border-radius:var(--radius);padding:23px 25px;display:flex;gap:25px;align-items:center}
body[data-mit-exercise="true"] .finder h3{font-size:17px;margin-bottom:5px}
body[data-mit-exercise="true"] .finder p{font-size:12px;color:#333399}
body[data-mit-exercise="true"] .finder select{border:1px solid #d4d4e1;background:#fff;padding:12px 16px;border-radius:9px;max-width:400px;width:100%;color:var(--ink);margin-left:auto}
body[data-mit-exercise="true"] .guide-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:25px 0}
body[data-mit-exercise="true"] .guide-step{border-top:1px solid var(--line);padding-top:14px}
body[data-mit-exercise="true"] .guide-step b{font-size:12px;display:block;margin-bottom:5px}
body[data-mit-exercise="true"] .guide-step p{font-size:12px;color:var(--muted)}
body[data-mit-exercise="true"] .guide-step span{font-size:10px;display:block;color:#333399;margin-bottom:9px}
body[data-mit-exercise="true"] .list-head{margin-bottom:25px}
body[data-mit-exercise="true"] .list-head h1{font-size:38px}
body[data-mit-exercise="true"] .list-head p{margin-top:13px;color:var(--muted);max-width:700px}
body[data-mit-exercise="true"] .chips{display:flex;gap:7px;flex-wrap:wrap;margin:19px 0 24px}
body[data-mit-exercise="true"] .chip{border:1px solid var(--line);border-radius:99px;padding:7px 13px;background:white;font-size:12px;text-decoration:none}
body[data-mit-exercise="true"] .chip.active{background:var(--green);border-color:var(--green);color:white}
body[data-mit-exercise="true"] .cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
body[data-mit-exercise="true"] .procedure{background:white;border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;padding:23px;text-decoration:none;position:relative;transition:border-color .2s}
body[data-mit-exercise="true"] .procedure:hover{border-color:#333399}
body[data-mit-exercise="true"] .procedure-top{display:flex;justify-content:space-between;align-items:center;font-size:10px;text-transform:uppercase;letter-spacing:.7px;color:#333399;margin-bottom:12px}
body[data-mit-exercise="true"] .procedure h3{font-size:19px;margin-bottom:10px;line-height:1.35}
body[data-mit-exercise="true"] .procedure p{font-size:12px;color:var(--muted);line-height:1.65}
body[data-mit-exercise="true"] .procedure-bottom{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#333399;margin-top:auto;padding-top:18px}
body[data-mit-exercise="true"] .back{font-size:12px;display:inline-flex;align-items:center;gap:7px;text-decoration:none;color:#333399;margin-bottom:20px}
body[data-mit-exercise="true"] .detail-header h1{font-size:40px;max-width:850px}
body[data-mit-exercise="true"] .detail-header>p{color:var(--muted);max-width:780px;margin-top:15px}
body[data-mit-exercise="true"] .toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:23px 0}
body[data-mit-exercise="true"] .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--line);border-radius:9px;padding:10px 15px;background:white;font-size:12px;text-decoration:none}
body[data-mit-exercise="true"] .btn.primary{background:var(--green);color:white;border-color:var(--green)}
body[data-mit-exercise="true"] .btn.selected{background:#e9e9f5;border-color:#d4d4e1}
body[data-mit-exercise="true"] .btn.small{font-size:11px;padding:7px 10px}
body[data-mit-exercise="true"] .detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 282px;gap:23px;align-items:start}
body[data-mit-exercise="true"] .algorithm{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px}
body[data-mit-exercise="true"] .block-label{font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:#333399;margin-bottom:15px;font-weight:650}
body[data-mit-exercise="true"] .input-list{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:23px;padding-bottom:22px;border-bottom:1px solid var(--line)}
body[data-mit-exercise="true"] .input-list span{background:#fafaff;border-radius:7px;padding:7px 10px;font-size:11px;color:#333399}
body[data-mit-exercise="true"] .steps{margin:0;padding:0;list-style:none;counter-reset:steps}
body[data-mit-exercise="true"] .steps>li{display:grid;grid-template-columns:31px 1fr;gap:13px;padding:0 0 23px;position:relative;counter-increment:steps}
body[data-mit-exercise="true"] .steps>li:last-child{padding-bottom:0}
body[data-mit-exercise="true"] .steps>li:before{content:counter(steps,decimal-leading-zero);font-size:11px;font-weight:700;border-radius:9px;background:#e9e9f5;color:#333399;align-self:start;text-align:center;padding:7px 0}
body[data-mit-exercise="true"] .steps h3{font-size:15px;margin:5px 0 7px;line-height:1.3}
body[data-mit-exercise="true"] .steps p{font-size:13px;color:#333399;line-height:1.7}
body[data-mit-exercise="true"] .formula-panel{border-radius:var(--radius);background:#e9e9f5;padding:23px;margin-bottom:17px}
body[data-mit-exercise="true"] .formula-item{padding:14px 0;border-bottom:1px solid #e9e9f5}
body[data-mit-exercise="true"] .formula-item:first-of-type{padding-top:0}
body[data-mit-exercise="true"] .formula-item:last-child{border:0;padding-bottom:0}
body[data-mit-exercise="true"] .formula-item small{display:block;font-size:10px;color:#333399;margin-bottom:6px}
body[data-mit-exercise="true"] .formula{font-family:"SFMono-Regular",Consolas,monospace;font-size:12px;font-weight:550;line-height:1.7;overflow-wrap:anywhere;white-space:pre-line}
body[data-mit-exercise="true"] .check-panel{border:1px solid #d4d4e1;border-radius:14px;padding:20px;background:#e9e9f5}
body[data-mit-exercise="true"] .check-panel h3,body[data-mit-exercise="true"] .error-panel h3{font-size:14px;margin-bottom:12px}
body[data-mit-exercise="true"] .plain-list{margin:0;padding-left:17px;font-size:12px;line-height:1.8}
body[data-mit-exercise="true"] .plain-list li+li{margin-top:6px}
body[data-mit-exercise="true"] .error-panel{background:#fafaff;border:1px solid #fceeed;padding:22px 25px;border-radius:14px;margin-top:18px}
body[data-mit-exercise="true"] .examples{margin-top:25px}
body[data-mit-exercise="true"] .examples h2{font-size:22px;margin-bottom:14px}
body[data-mit-exercise="true"] .examples-intro{font-size:12px;color:var(--muted);margin-bottom:13px}
body[data-mit-exercise="true"] .example{scroll-margin-top:75px;border:1px solid var(--line);background:white;border-radius:12px;margin-bottom:12px;overflow:hidden}
body[data-mit-exercise="true"] .example summary{cursor:pointer;padding:18px 21px;font-size:14px;font-weight:600;line-height:1.45}
body[data-mit-exercise="true"] .example summary::marker{color:#333399}
body[data-mit-exercise="true"] .example-content{padding:0 23px 22px;font-size:13px}
body[data-mit-exercise="true"] .given{background:#fafaff;padding:13px 15px;border-radius:8px;margin:0 0 16px;font-size:12px;color:#333399}
body[data-mit-exercise="true"] .example-content ol{padding-left:21px;margin:0;line-height:1.8}
body[data-mit-exercise="true"] .example-content li{padding-left:5px;margin:8px 0}
body[data-mit-exercise="true"] .result{background:#e9e9f5;border-left:3px solid #333399;padding:13px 15px;margin-top:17px;line-height:1.7;font-size:13px}
body[data-mit-exercise="true"] .theory{margin-top:22px}
body[data-mit-exercise="true"] .theory-item{padding:14px 0;border-bottom:1px solid var(--line)}
body[data-mit-exercise="true"] .theory-item h3{font-size:14px;margin-bottom:6px}
body[data-mit-exercise="true"] .theory-item p{font-size:13px;color:#333399;line-height:1.7}
body[data-mit-exercise="true"] .source-line{margin-top:24px;border-top:1px solid var(--line);padding-top:15px;color:#7b877a;font-size:11px}
body[data-mit-exercise="true"] .next-row{display:flex;gap:15px;justify-content:space-between;margin-top:24px}
body[data-mit-exercise="true"] .empty{text-align:center;padding:65px 20px;color:var(--muted)}
body[data-mit-exercise="true"] .empty h2{color:var(--ink);margin-bottom:10px}
body[data-mit-exercise="true"] .lab-grid{display:grid;grid-template-columns:300px minmax(0,1fr);gap:22px}
body[data-mit-exercise="true"] .panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
body[data-mit-exercise="true"] .field{display:block;margin-bottom:15px}
body[data-mit-exercise="true"] .field span{display:block;font-size:12px;margin-bottom:6px;color:#333399}
body[data-mit-exercise="true"] .field input,body[data-mit-exercise="true"] .field select{width:100%;border:1px solid #d4d4e1;padding:10px 12px;border-radius:8px;background:white;color:var(--ink)}
body[data-mit-exercise="true"] .lab-results{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:18px}
body[data-mit-exercise="true"] .metric{background:#e9e9f5;padding:16px;border-radius:12px}
body[data-mit-exercise="true"] .metric small{font-size:10px;display:block;color:#333399}
body[data-mit-exercise="true"] .metric b{display:block;font-size:23px;letter-spacing:-.7px;margin-top:7px}
body[data-mit-exercise="true"] .metric span{font-size:10px;color:#333399}
body[data-mit-exercise="true"] .chart{width:100%;height:auto;margin-top:15px}
body[data-mit-exercise="true"] .legend{display:flex;gap:20px;flex-wrap:wrap;font-size:11px;margin-top:10px;color:#333399}
body[data-mit-exercise="true"] .legend i{display:inline-block;width:15px;height:3px;vertical-align:middle;margin-right:5px;background:#333399}
body[data-mit-exercise="true"] .legend i.cost{background:#333399}
body[data-mit-exercise="true"] .legend i.fixed{background:#d4d4e1}
body[data-mit-exercise="true"] .lab-steps{margin-top:20px;font-size:13px;line-height:1.8}
body[data-mit-exercise="true"] .lab-steps h3{font-size:15px;margin-bottom:10px}
body[data-mit-exercise="true"] .lab-steps p+p{margin-top:7px}
body[data-mit-exercise="true"] .notice{border:1px solid #f2b3b0;background:#fafaff;border-radius:10px;padding:15px;font-size:12px;color:#333399}
body[data-mit-exercise="true"] .training{max-width:780px}
body[data-mit-exercise="true"] .training .question{font-size:20px;line-height:1.65;letter-spacing:-.25px;margin:18px 0 24px}
body[data-mit-exercise="true"] .training .answer{border-top:1px solid var(--line);margin-top:22px;padding-top:22px}
body[data-mit-exercise="true"] .training .answer[hidden]{display:none}
body[data-mit-exercise="true"] .training-controls{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
body[data-mit-exercise="true"] .training .field{max-width:400px}
body[data-mit-exercise="true"] .glossary{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
body[data-mit-exercise="true"] .glossary-item{background:white;padding:18px 22px}
body[data-mit-exercise="true"] .glossary-item b{font-size:13px;display:block}
body[data-mit-exercise="true"] .glossary-item p{font-size:12px;color:var(--muted);margin-top:5px}
body[data-mit-exercise="true"] .table-wrap{overflow-x:auto;margin:18px 0;border:1px solid var(--line);border-radius:10px}
body[data-mit-exercise="true"] .data-table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.6}
body[data-mit-exercise="true"] .data-table caption{text-align:left;padding:12px 14px;font-weight:600;background:#e9e9f5}
body[data-mit-exercise="true"] .data-table th,body[data-mit-exercise="true"] .data-table td{text-align:left;padding:6px 12px;border-bottom:1px solid var(--line);vertical-align:top;min-width:100px}
body[data-mit-exercise="true"] .data-table th{background:#fafaff;font-weight:600}
body[data-mit-exercise="true"] .data-table tr:last-child td{border-bottom:0}
body[data-mit-exercise="true"] .example-index{display:grid;gap:10px}
body[data-mit-exercise="true"] .example-link{background:white;border:1px solid var(--line);border-radius:11px;padding:17px 20px;text-decoration:none;display:block}
body[data-mit-exercise="true"] .example-link:hover{border-color:#333399}
body[data-mit-exercise="true"] .example-link b{display:block;font-size:14px;line-height:1.5}
body[data-mit-exercise="true"] .example-link small{display:block;color:var(--muted);margin-top:6px}
body[data-mit-exercise="true"] .coverage{width:100%;border-collapse:collapse;font-size:12px;margin-top:20px;background:white}
body[data-mit-exercise="true"] .coverage th,body[data-mit-exercise="true"] .coverage td{text-align:left;border-bottom:1px solid var(--line);padding:6px 14px;vertical-align:top}
body[data-mit-exercise="true"] .coverage th{background:#e9e9f5;font-size:10px;text-transform:uppercase;letter-spacing:1px}
body[data-mit-exercise="true"] .footer{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);font-size:10px;color:#333399;display:flex;justify-content:space-between;gap:20px}
body[data-mit-exercise="true"] .footer a{color:#333399}
body[data-mit-exercise="true"] .mobile-bar{display:none}
body[data-mit-exercise="true"] .only-algo .extra{display:none}
body[data-mit-exercise="true"] .print-only{display:none}
body[data-mit-exercise="true"] .print-card{break-before:page}
body[data-mit-exercise="true"] .print-card:first-child{break-before:auto}
body[data-mit-exercise="true"] .print-card h1{font-size:27px}
body[data-mit-exercise="true"] .print-card h2{font-size:19px;margin:20px 0 12px}
body[data-mit-exercise="true"] .print-card h3{font-size:14px;margin-top:10px}
body[data-mit-exercise="true"] .print-card p,body[data-mit-exercise="true"] .print-card li{font-size:11px}
body[data-mit-exercise="true"] .print-card .steps{margin-top:20px}
@media (min-width:1120px){body[data-mit-exercise="true"] .main{padding-left:58px;padding-right:58px}}
@media (max-width:1180px){body[data-mit-exercise="true"] .shell{grid-template-columns:215px minmax(0,1fr)}
body[data-mit-exercise="true"] .sidebar{padding:25px 15px}
body[data-mit-exercise="true"] .main{padding:0 26px 40px}
body[data-mit-exercise="true"] .hero{grid-template-columns:1fr 205px;gap:22px}
body[data-mit-exercise="true"] .hero h1{font-size:42px}
body[data-mit-exercise="true"] .hero-note b{font-size:18px}
body[data-mit-exercise="true"] .session-grid{grid-template-columns:repeat(2,1fr)}
body[data-mit-exercise="true"] .session-card{min-height:150px}
body[data-mit-exercise="true"] .session-card .badge{margin-bottom:15px}
body[data-mit-exercise="true"] .detail-layout{grid-template-columns:1fr 240px;gap:16px}
body[data-mit-exercise="true"] .algorithm{padding:20px}
body[data-mit-exercise="true"] .lab-grid{grid-template-columns:250px 1fr}
body[data-mit-exercise="true"] .metric{padding:12px}
body[data-mit-exercise="true"] .metric b{font-size:19px}
body[data-mit-exercise="true"] .searchbox{width:240px}}
@media (max-width:900px){body[data-mit-exercise="true"] .shell{display:block}
body[data-mit-exercise="true"] .sidebar{display:none;position:fixed;left:0;top:58px;bottom:0;height:calc(100vh - 58px);width:265px;z-index:50;box-shadow:10px 0 30px #0002}
body[data-mit-exercise="true"] .sidebar.open{display:flex}
body[data-mit-exercise="true"] .mobile-bar{display:flex;position:sticky;top:0;z-index:60;height:58px;background:#333399;color:white;align-items:center;justify-content:space-between;padding:0 20px}
body[data-mit-exercise="true"] .mobile-bar button{background:transparent;color:white;font-size:14px;border:1px solid #333399;border-radius:7px;padding:5px 11px}
body[data-mit-exercise="true"] .main{padding:0 24px 35px}
body[data-mit-exercise="true"] .topbar{min-height:76px;margin-bottom:25px}
body[data-mit-exercise="true"] .hero h1{font-size:45px}
body[data-mit-exercise="true"] .detail-header h1{font-size:35px}
body[data-mit-exercise="true"] .detail-layout{grid-template-columns:minmax(0,1fr) 255px}}
@media (max-width:620px){body[data-mit-exercise="true"] .main{padding:0 18px 30px}
body[data-mit-exercise="true"] .topbar{gap:10px;flex-wrap:wrap;padding:15px 0}
body[data-mit-exercise="true"] .breadcrumb{display:none}
body[data-mit-exercise="true"] .searchbox{width:auto;flex:1;margin-left:0}
body[data-mit-exercise="true"] .top-print{font-size:11px;padding:10px}
body[data-mit-exercise="true"] .hero{grid-template-columns:1fr}
body[data-mit-exercise="true"] .hero h1{font-size:39px}
body[data-mit-exercise="true"] .hero-note{display:none}
body[data-mit-exercise="true"] .hero p{font-size:13px}
body[data-mit-exercise="true"] .stats{gap:15px;flex-wrap:wrap}
body[data-mit-exercise="true"] .session-grid{gap:10px}
body[data-mit-exercise="true"] .session-card{padding:15px;min-height:165px}
body[data-mit-exercise="true"] .session-card h3{font-size:15px}
body[data-mit-exercise="true"] .finder{display:block;padding:20px}
body[data-mit-exercise="true"] .finder select{margin-top:15px;font-size:12px}
body[data-mit-exercise="true"] .guide-row{gap:13px}
body[data-mit-exercise="true"] .guide-step p{font-size:11px}
body[data-mit-exercise="true"] .section-top h2{font-size:20px}
body[data-mit-exercise="true"] .cards{grid-template-columns:1fr}
body[data-mit-exercise="true"] .list-head h1{font-size:31px}
body[data-mit-exercise="true"] .detail-header h1{font-size:31px}
body[data-mit-exercise="true"] .detail-layout{display:flex;flex-direction:column}
body[data-mit-exercise="true"] .detail-layout>div,body[data-mit-exercise="true"] .detail-layout>aside{width:100%}
body[data-mit-exercise="true"] .detail-layout>aside{display:grid;grid-template-columns:1fr;gap:0}
body[data-mit-exercise="true"] .formula-panel{margin-top:2px}
body[data-mit-exercise="true"] .toolbar .btn{padding:9px 11px;font-size:11px}
body[data-mit-exercise="true"] .algorithm{padding:20px 17px}
body[data-mit-exercise="true"] .steps{overflow-wrap:anywhere}
body[data-mit-exercise="true"] .steps>li{gap:10px;grid-template-columns:28px 1fr}
body[data-mit-exercise="true"] .lab-grid{grid-template-columns:1fr}
body[data-mit-exercise="true"] .lab-results{gap:8px}
body[data-mit-exercise="true"] .metric b{font-size:19px}
body[data-mit-exercise="true"] .metric small{font-size:9px}
body[data-mit-exercise="true"] .glossary{grid-template-columns:1fr}
body[data-mit-exercise="true"] .coverage th,body[data-mit-exercise="true"] .coverage td{padding:6px 8px;font-size:11px}
body[data-mit-exercise="true"] .coverage td:first-child{min-width:65px}
body[data-mit-exercise="true"] .next-row{flex-direction:column}
body[data-mit-exercise="true"] .footer{display:block}
body[data-mit-exercise="true"] .footer span{display:block;margin-bottom:6px}
body[data-mit-exercise="true"] .training .question{font-size:17px}}
@media  print{body[data-mit-exercise="true"] .table-wrap{overflow:visible;break-inside:avoid}
body[data-mit-exercise="true"] .data-table{font-size:10px}
body[data-mit-exercise="true"] .data-table th,body[data-mit-exercise="true"] .data-table td{padding:6px 6px;min-width:70px}
body[data-mit-exercise="true"]{background:white;color:black}
body[data-mit-exercise="true"] .shell,body[data-mit-exercise="true"] .mobile-bar{display:none!important}
body[data-mit-exercise="true"] .print-only{display:block!important;padding:0}
body[data-mit-exercise="true"] .print-card{padding:0}
body[data-mit-exercise="true"] .print-card .steps>li{padding-bottom:13px;break-inside:avoid}
body[data-mit-exercise="true"] .print-card .steps p{font-size:11px}
body[data-mit-exercise="true"] .print-card .steps h3{font-size:12px}
body[data-mit-exercise="true"] .print-card .formula-item{padding:7px 0}
body[data-mit-exercise="true"] .print-card .formula{font-size:11px}
body[data-mit-exercise="true"] .print-card .given{padding:8px;font-size:11px}
body[data-mit-exercise="true"] .print-card .source-line{font-size:9px}
body[data-mit-exercise="true"] .print-card .result{padding:8px;font-size:11px}
body[data-mit-exercise="true"] a{text-decoration:none}
@page{margin:15mm}}
body[data-mit-exercise="true"] .theory-points{font-size:13px;line-height:1.85}
body[data-mit-exercise="true"] .solution-steps{padding-left:22px;line-height:1.8;font-size:13px}
body[data-mit-exercise="true"] .solution-steps li{margin:10px 0}
body[data-mit-exercise="true"] .print-entry{margin-top:30px;border-top:1px solid #d4d4e1;padding-top:12px}
@media  print{body[data-mit-exercise="true"] .print-entry h2{break-after:avoid}
body[data-mit-exercise="true"] .print-entry .detail-layout{display:block}
body[data-mit-exercise="true"] .print-entry .algorithm{border:0;padding:0}
body[data-mit-exercise="true"] .print-entry .formula-panel{margin-top:15px}}
body[data-mit-exercise="true"] .qualitative-answers{font-size:14px;line-height:1.85}
body[data-mit-exercise="true"] .qualitative-answers>p+p{margin-top:15px}
body[data-mit-exercise="true"] .answer-part{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:12px;margin:16px 0;break-inside:avoid}
body[data-mit-exercise="true"] .answer-part.no-label{display:block}
body[data-mit-exercise="true"] .answer-label{min-width:24px;font-size:14px;line-height:1.85;color:var(--ink)}
body[data-mit-exercise="true"] .answer-copy{min-width:0;font-size:13px;line-height:1.85}
body[data-mit-exercise="true"] .qualitative-answers .answer-copy{font-size:14px}
body[data-mit-exercise="true"] .answer-copy>p+p{margin-top:10px}
body[data-mit-exercise="true"] .answer-copy>.answer-parts{margin-top:16px}
body[data-mit-exercise="true"] .answer-part-title{font-weight:650;margin-bottom:8px}
body[data-mit-exercise="true"] .answer-part .answer-part{margin:13px 0}
body[data-mit-exercise="true"] .answer-part .answer-part:last-child{margin-bottom:0}
@media  print{body[data-mit-exercise="true"] .answer-copy,body[data-mit-exercise="true"] .qualitative-answers .answer-copy{font-size:11px}
body[data-mit-exercise="true"] .answer-label{font-size:11px}
body[data-mit-exercise="true"] .answer-part{gap:8px;margin:12px 0}
body[data-mit-exercise="true"] .answer-part:has(.answer-parts){break-inside:auto}}
/* Original prompts remain visible before both the method and the solution. */
body[data-mit-exercise="true"] .prompt-section{margin:28px 0 30px}
body[data-mit-exercise="true"] .prompt-heading{display:flex;align-items:baseline;justify-content:space-between;gap:15px;margin-bottom:14px}
body[data-mit-exercise="true"] .prompt-heading h2{font-size:22px}
body[data-mit-exercise="true"] .prompt-heading p{font-size:11px;color:var(--muted)}
body[data-mit-exercise="true"] .prompt-figure{margin:0 0 18px;max-width:680px}
body[data-mit-exercise="true"] .prompt-image-button{display:block;width:100%;padding:0;border:0;border-radius:0;background:white;overflow:hidden;cursor:zoom-in}
body[data-mit-exercise="true"] .prompt-image-button:hover{border-color:#333399}
body[data-mit-exercise="true"] .prompt-image{display:block;width:100%;height:auto;max-height:410px;object-fit:contain;object-position:left center;background:white}
body[data-mit-exercise="true"] .prompt-figure figcaption{display:flex;justify-content:space-between;gap:14px;font-size:11px;color:var(--muted);margin:8px 2px 0}
body[data-mit-exercise="true"] .prompt-dialog{padding:0;border:1px solid #d4d4e1;border-radius:14px;width:min(1500px,96vw);max-width:96vw;max-height:94vh;color:var(--ink);box-shadow:0 15px 80px #0004}
body[data-mit-exercise="true"] .prompt-dialog::backdrop{background:#172c25b8}
body[data-mit-exercise="true"] .prompt-dialog-header{display:flex;align-items:center;gap:15px;padding:12px 18px;background:var(--paper);border-bottom:1px solid var(--line)}
body[data-mit-exercise="true"] .prompt-dialog-header strong{font-size:12px;flex:1}
body[data-mit-exercise="true"] .prompt-dialog-header button{flex-shrink:0}
body[data-mit-exercise="true"] .prompt-viewport{overflow:auto;max-height:calc(94vh - 68px);background:#e9e9f5;padding:18px;overscroll-behavior:contain}
body[data-mit-exercise="true"] .prompt-viewport img{display:block;width:100%;height:auto;background:white;margin:auto}
body[data-mit-exercise="true"] .prompt-viewport.native-size img{width:var(--image-width);max-width:none;margin:0 auto}
body[data-mit-exercise="true"] .prompt-transcript{margin-top:12px;font-size:12px}
body[data-mit-exercise="true"] .prompt-transcript summary{cursor:pointer;color:var(--muted)}
body[data-mit-exercise="true"] .prompt-transcript p{margin-top:10px;white-space:pre-line;line-height:1.8}
@media (max-width:620px){body[data-mit-exercise="true"] .prompt-heading{display:block}
body[data-mit-exercise="true"] .prompt-heading p{margin-top:6px}
body[data-mit-exercise="true"] .prompt-figure figcaption{font-size:10px;gap:7px}
body[data-mit-exercise="true"] .prompt-dialog-header{gap:8px;padding:10px}
body[data-mit-exercise="true"] .prompt-dialog-header strong{font-size:10px}
body[data-mit-exercise="true"] .prompt-dialog-header .btn{font-size:10px;padding:8px}
body[data-mit-exercise="true"] .prompt-viewport{padding:8px}
body[data-mit-exercise="true"] .prompt-dialog{border-radius:8px}}
@media  print{body[data-mit-exercise="true"] .prompt-dialog{display:none!important}
body[data-mit-exercise="true"] .prompt-section{margin:18px 0 25px}
body[data-mit-exercise="true"] .prompt-heading{break-after:avoid}
body[data-mit-exercise="true"] .prompt-heading h2{font-size:17px}
body[data-mit-exercise="true"] .prompt-figure{break-inside:avoid;margin-bottom:14px;max-width:none}
body[data-mit-exercise="true"] .prompt-image{max-height:240mm;object-fit:contain;object-position:left top}
body[data-mit-exercise="true"] .prompt-image-button{border:0;border-radius:0}
body[data-mit-exercise="true"] .prompt-figure figcaption{font-size:9px}
body[data-mit-exercise="true"] .prompt-transcript{display:none}}
body[data-mit-exercise="true"] .source-paths{margin:24px 0 30px}
body[data-mit-exercise="true"] .assigned-index{display:grid;gap:12px;list-style:none;margin:0;padding:0}
body[data-mit-exercise="true"] .assigned-exercise{background:#e9e9f5;border:1px solid var(--line);border-radius:14px;overflow:hidden}
body[data-mit-exercise="true"] .exercise-title{display:block;padding:20px;font-size:18px;font-weight:700;line-height:1.4;color:var(--ink);text-decoration:none}
body[data-mit-exercise="true"] .exercise-title:hover{background:#e9e9f5}
body[data-mit-exercise="true"] .exercise-title:focus-visible{outline:2px solid var(--green);outline-offset:-4px}
body[data-mit-exercise="true"] .exercise-parts>summary{cursor:pointer;list-style:none}
body[data-mit-exercise="true"] .exercise-parts>summary::-webkit-details-marker{display:none}
body[data-mit-exercise="true"] .exercise-part-links{display:flex;flex-wrap:wrap;gap:10px;padding:0 20px 20px}
body[data-mit-exercise="true"] .exercise-part-links a{padding:8px 12px;border:1px solid var(--line);border-radius:8px;background:#fff}
body[data-mit-exercise="true"] .source-section{padding-top:22px;border-top:2px solid #e9e9f5;margin-top:35px}
body[data-mit-exercise="true"] .source-index-link{margin-top:15px}
body[data-mit-exercise="true"] .eyebrow{flex-wrap:wrap}
body[data-mit-exercise="true"] .source-session{margin-top:28px}
@media (max-width:620px){body[data-mit-exercise="true"] .exercise-title{padding:16px;font-size:17px}
body[data-mit-exercise="true"] .exercise-part-links{padding:0 16px 16px}
body[data-mit-exercise="true"] .source-paths{grid-template-columns:1fr}}
body[data-mit-exercise="true"] .main{padding-top:24px}
body[data-mit-exercise="true"] .sidebar>.sidebar-caption:first-child{margin-top:0}
body[data-mit-exercise="true"] .mobile-bar{justify-content:flex-end}
body[data-mit-exercise="true"] .lesson-header{max-width:780px;margin:35px 0 48px}
body[data-mit-exercise="true"] .lesson-kicker{font-size:11px;font-weight:650;letter-spacing:1.3px;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
body[data-mit-exercise="true"] .lesson-header h1{font-size:clamp(32px,3.4vw,48px);letter-spacing:-1.6px;line-height:1.12;text-wrap:balance}
body[data-mit-exercise="true"] .lesson-intro{font-size:17px;line-height:1.85;color:#333399;margin-top:23px;max-width:740px}
body[data-mit-exercise="true"] .lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 208px;gap:44px;align-items:start}
body[data-mit-exercise="true"] .lesson-reading{grid-column:1;grid-row:1;min-width:0;max-width:800px}
body[data-mit-exercise="true"] .lesson-nav{grid-column:2;grid-row:1;position:sticky;top:24px;align-self:start;padding:17px 0;border-top:2px solid #d4d4e1;border-bottom:1px solid var(--line)}
body[data-mit-exercise="true"] .lesson-nav>p{font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);padding:0 10px 14px}
body[data-mit-exercise="true"] .lesson-nav-items{display:flex;flex-direction:column;gap:5px}
body[data-mit-exercise="true"] .lesson-nav button{display:flex;align-items:baseline;gap:10px;text-align:left;width:100%;background:transparent;border-radius:8px;padding:10px;font-size:12px;line-height:1.5;color:#333399}
body[data-mit-exercise="true"] .lesson-nav button span{font-size:10px;opacity:.7;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .lesson-nav button.active{background:#e9e9f5;color:#333399;font-weight:650}
body[data-mit-exercise="true"] .lesson-nav button:hover{background:#e9e9f5}
body[data-mit-exercise="true"] .lesson-read-track{height:3px;background:#e9e9f5;margin:17px 10px 0;border-radius:4px;overflow:hidden}
body[data-mit-exercise="true"] .lesson-read-track span{display:block;height:100%;background:#333399;width:0;transition:width .15s linear}
body[data-mit-exercise="true"] .lesson-chapter{padding:0 0 64px;margin-bottom:40px;border-bottom:1px solid var(--line);scroll-margin-top:30px}
body[data-mit-exercise="true"] .lesson-chapter:last-of-type{margin-bottom:24px}
body[data-mit-exercise="true"] .lesson-chapter-heading{margin:0 0 25px;display:flex;gap:17px;align-items:baseline}
body[data-mit-exercise="true"] .lesson-chapter-number{font-size:13px;color:#333399;font-weight:650;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .lesson-chapter h2{font-size:28px;line-height:1.3;text-wrap:balance;letter-spacing:-.65px}
body[data-mit-exercise="true"] .lesson-prose{font-size:16px;line-height:1.95;color:#333399}
body[data-mit-exercise="true"] .lesson-prose p+p{margin-top:22px}
body[data-mit-exercise="true"] .lesson-prose strong{font-weight:650;color:#333399}
body[data-mit-exercise="true"] .lesson-relations{margin:28px 0;padding:8px 22px;border-left:3px solid #d4d4e1;background:#fafaff;border-radius:0 10px 10px 0}
body[data-mit-exercise="true"] .lesson-relations .formula-item{border-color:#e9e9f5;padding:12px 0}
body[data-mit-exercise="true"] .lesson-relations .formula-item small{font-size:11px;color:#333399}
body[data-mit-exercise="true"] .lesson-relations .formula{font-size:13px}
body[data-mit-exercise="true"] .lesson-focus{font-size:16px;line-height:1.75;margin:30px 0 0;padding:18px 0 18px 22px;border-left:3px solid #333399;color:#333399}
body[data-mit-exercise="true"] .lesson-flow{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:28px 0}
body[data-mit-exercise="true"] .lesson-flow span{background:#e9e9f5;border:1px solid #e9e9f5;padding:10px 13px;border-radius:9px;font-size:12px;font-weight:550}
body[data-mit-exercise="true"] .lesson-flow i{font-style:normal;color:#333399}
body[data-mit-exercise="true"] .lesson-table{margin:26px 0}
body[data-mit-exercise="true"] .lesson-table .data-table{font-size:12px}
body[data-mit-exercise="true"] .lesson-table tbody th{background:#fafaff;font-size:12px;letter-spacing:0;text-transform:none;text-align:left}
body[data-mit-exercise="true"] .lesson-slide-examples{margin-top:30px}
body[data-mit-exercise="true"] .lesson-example{border:1px solid #e9e9f5;border-radius:12px;background:#fff;overflow:hidden;margin:12px 0}
body[data-mit-exercise="true"] .lesson-example>summary{cursor:pointer;padding:17px 20px;font-size:14px;font-weight:600;line-height:1.6}
body[data-mit-exercise="true"] .lesson-example>summary::marker{color:#333399}
body[data-mit-exercise="true"] .lesson-example[open]>summary{border-bottom:1px solid #e9e9f5;background:#e9e9f5}
body[data-mit-exercise="true"] .lesson-example-content{padding:0 20px 24px;min-width:0}
body[data-mit-exercise="true"] .lesson-example-solution{margin-top:25px}
body[data-mit-exercise="true"] .lesson-example-solution>h3{font-size:20px;margin-bottom:20px}
body[data-mit-exercise="true"] .lesson-example-content .detail-layout{display:block}
body[data-mit-exercise="true"] .lesson-example-content .detail-layout>aside{margin-top:20px}
body[data-mit-exercise="true"] .lesson-example .prompt-heading{display:block}
body[data-mit-exercise="true"] .lesson-example .prompt-heading p{margin-top:7px}
body[data-mit-exercise="true"] .lesson-example .algorithm-sheet{padding:25px 18px}
body[data-mit-exercise="true"] .lesson-example .flow-branches{grid-template-columns:1fr}
body[data-mit-exercise="true"] .lesson-example .flow-branches:before{display:none}
body[data-mit-exercise="true"] .lesson-example .flow-path:before{border-left:0}
body[data-mit-exercise="true"] .lesson-source{font-size:11px;line-height:1.8;color:var(--muted);margin:25px 0}
body[data-mit-exercise="true"] .lesson-end{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
@media (min-width:1550px){body[data-mit-exercise="true"] .lesson-layout{gap:65px;grid-template-columns:minmax(0,1fr) 230px}
body[data-mit-exercise="true"] .lesson-prose{font-size:17px}
body[data-mit-exercise="true"] .lesson-chapter h2{font-size:31px}}
@media (max-width:1100px){body[data-mit-exercise="true"] .lesson-header{margin-bottom:28px}
body[data-mit-exercise="true"] .lesson-layout{display:flex;flex-direction:column;gap:30px}
body[data-mit-exercise="true"] .lesson-nav{width:100%;position:sticky;top:0;z-index:20;background:var(--paper);padding:13px 0 10px;box-shadow:0 8px 15px #f7f7f2e8}
body[data-mit-exercise="true"] .lesson-nav>p{padding-bottom:8px}
body[data-mit-exercise="true"] .lesson-nav-items{flex-direction:row;flex-wrap:wrap;gap:4px;max-height:180px;overflow-y:auto}
body[data-mit-exercise="true"] .lesson-nav button{width:auto;font-size:11px;padding:7px 10px}
body[data-mit-exercise="true"] .lesson-read-track{margin-top:9px}
body[data-mit-exercise="true"] .lesson-reading{width:100%;max-width:850px}
body[data-mit-exercise="true"] .lesson-chapter{scroll-margin-top:200px}}
@media (max-width:900px){body[data-mit-exercise="true"] .lesson-nav{top:58px}}
@media (max-width:620px){body[data-mit-exercise="true"] .lesson-header{margin-top:25px}
body[data-mit-exercise="true"] .lesson-header h1{font-size:35px}
body[data-mit-exercise="true"] .lesson-intro{font-size:15px;line-height:1.8}
body[data-mit-exercise="true"] .lesson-layout{gap:30px}
body[data-mit-exercise="true"] .lesson-chapter{padding-bottom:42px;margin-bottom:32px}
body[data-mit-exercise="true"] .lesson-chapter-heading{gap:11px;margin-bottom:20px}
body[data-mit-exercise="true"] .lesson-chapter h2{font-size:25px}
body[data-mit-exercise="true"] .lesson-chapter-number{font-size:11px}
body[data-mit-exercise="true"] .lesson-prose{font-size:15px;line-height:1.9}
body[data-mit-exercise="true"] .lesson-nav-items{max-height:155px}
body[data-mit-exercise="true"] .lesson-nav button{font-size:10px;gap:6px;padding:6px 8px}
body[data-mit-exercise="true"] .lesson-nav>p{font-size:9px}
body[data-mit-exercise="true"] .lesson-focus{font-size:15px}
body[data-mit-exercise="true"] .lesson-example-content{padding:0 13px 20px}
body[data-mit-exercise="true"] .lesson-example>summary{padding:15px;font-size:13px}
body[data-mit-exercise="true"] .lesson-example .algorithm-sheet{padding:20px 13px}
body[data-mit-exercise="true"] .lesson-table .data-table th,body[data-mit-exercise="true"] .lesson-table .data-table td{min-width:110px}}
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body[data-mit-exercise="true"] .lesson-chapter-number{font-family:"Outfit",sans-serif;font-size:37px;font-weight:400;line-height:1;color:var(--accent);opacity:.5;padding-top:24px;letter-spacing:-1.5px}
body[data-mit-exercise="true"] .chapter-topic{text-transform:uppercase;font-size:9px;font-weight:600;letter-spacing:1.3px;color:var(--accent);margin:0 0 9px}
body[data-mit-exercise="true"] .lesson-chapter h2{font-size:clamp(27px,2.5vw,38px);line-height:1.12;letter-spacing:-1px;font-weight:500;text-wrap:balance}
body[data-mit-exercise="true"] .concept-takeaway{font-size:21px;line-height:1.45;letter-spacing:-.3px;border-left:4px solid var(--accent);background:var(--accent-soft);padding:17px 21px;color:var(--accent-deep);margin:22px 0 16px}
body[data-mit-exercise="true"] .concept-keywords{display:flex;flex-wrap:wrap;gap:8px 17px;margin:0 0 28px;padding:0 3px}
body[data-mit-exercise="true"] .concept-keywords span{font-size:10px;font-weight:650;letter-spacing:.3px;color:var(--accent);display:flex;gap:6px;align-items:center}
body[data-mit-exercise="true"] .concept-keywords span:before{content:"";background:var(--accent);width:4px;height:4px;border-radius:50%}
body[data-mit-exercise="true"] .concept-board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 26px;margin-bottom:24px}
body[data-mit-exercise="true"] .concept-block{min-width:0;padding:0 0 0 15px;border-left:1px solid var(--accent-line)}
body[data-mit-exercise="true"] .concept-title{display:flex;align-items:center;gap:8px;margin-bottom:10px}
body[data-mit-exercise="true"] .concept-dot{width:7px;height:7px;border-radius:2px;background:var(--accent);flex-shrink:0}
body[data-mit-exercise="true"] .concept-block:nth-child(3n/**/+2) .concept-dot{background:#333399}
body[data-mit-exercise="true"] .concept-block:nth-child(3n) .concept-dot{background:#333399}
body[data-mit-exercise="true"] .concept-block h3{font-size:19px;line-height:1.2;letter-spacing:-.35px;font-weight:500}
body[data-mit-exercise="true"] .concept-points{font-size:13px;line-height:1.8;color:#333399}
body[data-mit-exercise="true"] .concept-points p+p{margin-top:10px}
body[data-mit-exercise="true"] .concept-points strong{font-weight:650;color:#333399;background:linear-gradient(transparent 60%,#e9e9f5 60%);padding-bottom:1px}
body[data-mit-exercise="true"] .concept-contrast .concept-block:nth-child(-n/**/+2){border:0;padding:20px;background:#e9e9f5}
body[data-mit-exercise="true"] .concept-contrast .concept-block:nth-child(2){background:#fceeed}
body[data-mit-exercise="true"] .concept-contrast .concept-block:nth-child(-n/**/+2) h3{font-size:21px}
body[data-mit-exercise="true"] .concept-sequence .concept-block{position:relative}
body[data-mit-exercise="true"] .concept-grid .concept-block:last-child:nth-child(odd){border-left:3px solid var(--accent-line);background:#fceeed;padding:15px 18px}
body[data-mit-exercise="true"] .visual-section-label{font-size:9px;letter-spacing:1.5px;font-weight:650;text-transform:uppercase;color:var(--accent);margin:0 0 15px}
body[data-mit-exercise="true"] .lesson .lesson-relations{padding:20px 22px;border-left:0;border-radius:0;border-top:2px solid var(--accent-line);border-bottom:1px solid var(--accent-line);background:#fafaff;margin:28px 0}
body[data-mit-exercise="true"] .lesson .formula-name{background:var(--accent-soft);color:var(--accent-deep);border-radius:4px;font-size:12px;font-weight:600}
body[data-mit-exercise="true"] .lesson .formula-connector{color:var(--accent)}
body[data-mit-exercise="true"] .lesson .formula-item{border-color:var(--line)}
body[data-mit-exercise="true"] .lesson .formula-expression .katex{font-size:1.13em}
body[data-mit-exercise="true"] .lesson .formula-transcription{background:#fafaff;border-color:var(--accent-line);border-radius:0}
body[data-mit-exercise="true"] .lesson .math-note{color:#677166}
body[data-mit-exercise="true"] .lesson-visuals{display:flex;flex-wrap:wrap;gap:20px;margin:25px 0}
body[data-mit-exercise="true"] .lesson-visuals:not(:has(figure,section)){display:none}
body[data-mit-exercise="true"] .lesson-visuals .slide-diagram{flex:1 1 260px;margin:0;max-width:440px;min-width:0}
body[data-mit-exercise="true"] .lesson-visuals .slide-text-table{width:100%;margin:0}
body[data-mit-exercise="true"] .lesson-visuals .diagram-equations{width:100%;margin:0}
body[data-mit-exercise="true"] .lesson .slide-diagram figcaption{font-size:10px;color:#333399}
body[data-mit-exercise="true"] .lesson .slide-diagram figcaption span{font-size:9px}
body[data-mit-exercise="true"] .lesson-depth{border-top:1px solid var(--line);margin-top:15px}
body[data-mit-exercise="true"] .lesson-depth>summary{display:flex;align-items:center;gap:10px;cursor:pointer;list-style:none;padding:15px 0;font-size:12px;color:var(--accent);font-weight:600}
body[data-mit-exercise="true"] .lesson-depth>summary::-webkit-details-marker{display:none}
body[data-mit-exercise="true"] .lesson-depth>summary>span:last-child{margin-left:auto;font-size:18px;font-weight:400}
body[data-mit-exercise="true"] .lesson-depth[open]>summary>span:last-child{transform:rotate(45deg)}
body[data-mit-exercise="true"] .depth-count{font-size:9px;background:var(--accent-soft);border-radius:3px;padding:2px 5px}
body[data-mit-exercise="true"] .lesson-depth .lesson-prose{font-size:14px;line-height:1.9;padding:8px 5px 17px;color:#333399}
body[data-mit-exercise="true"] .lesson-depth .lesson-focus{font-size:14px;line-height:1.8}
body[data-mit-exercise="true"] .slide-evidence-content{padding:5px 0 10px}
body[data-mit-exercise="true"] .slide-evidence-content .diagram-equations{margin:10px 0 20px}
body[data-mit-exercise="true"] .lesson-slide-examples{margin-top:27px}
body[data-mit-exercise="true"] .lesson-example{border-radius:5px;border-color:#e9e9f5}
body[data-mit-exercise="true"] .lesson-example>summary{font-size:13px;padding:16px 18px}
body[data-mit-exercise="true"] .lesson-example[open]>summary{background:var(--accent-soft)}
body[data-mit-exercise="true"] .lesson-table .data-table{font-size:12px}
body[data-mit-exercise="true"] .lesson .table-wrap{border-radius:3px}
body[data-mit-exercise="true"] .lesson .garnier-case{border-color:var(--accent-line)}
@media (min-width:1550px){body[data-mit-exercise="true"] .main{padding-left:55px;padding-right:55px}
body[data-mit-exercise="true"] .lesson-layout{gap:46px;grid-template-columns:minmax(0,1fr) 200px}
body[data-mit-exercise="true"] .concept-points{font-size:14px}}
@media (max-width:1180px){body[data-mit-exercise="true"] .shell{grid-template-columns:195px minmax(0,1fr)}
body[data-mit-exercise="true"] .sidebar{padding:25px 13px}
body[data-mit-exercise="true"] .main{padding:24px 28px 40px}
body[data-mit-exercise="true"] .lesson-layout{gap:24px;grid-template-columns:minmax(0,1fr) 165px}
body[data-mit-exercise="true"] .lesson-header{grid-template-columns:minmax(0,1fr) 165px}
body[data-mit-exercise="true"] .lesson-route{padding-left:18px}
body[data-mit-exercise="true"] .lesson-header h1{font-size:39px}
body[data-mit-exercise="true"] .concept-points{font-size:12px}
body[data-mit-exercise="true"] .concept-board{gap:22px 18px}}
@media (max-width:1100px){body[data-mit-exercise="true"] .lesson-layout{display:flex;gap:28px}
body[data-mit-exercise="true"] .lesson-nav{background:var(--paper);top:0;padding:12px 0 7px;border-bottom:1px solid var(--line);box-shadow:0 7px 12px #f6f5efe8}
body[data-mit-exercise="true"] .lesson-nav-items{flex-direction:row;flex-wrap:nowrap;max-height:none;overflow-x:auto;padding-bottom:3px}
body[data-mit-exercise="true"] .lesson-nav button{flex:0 0 auto;width:auto;font-size:10px;padding:8px}
body[data-mit-exercise="true"] .lesson-nav>p{padding:0 0 7px;font-size:8px}
body[data-mit-exercise="true"] .lesson-read-track{margin:4px 0 0}
body[data-mit-exercise="true"] .lesson-reading{max-width:none}
body[data-mit-exercise="true"] .lesson-chapter h2{font-size:31px}
body[data-mit-exercise="true"] .concept-points{font-size:13px}
body[data-mit-exercise="true"] .lesson-chapter-number{font-size:34px}}
@media (max-width:900px){body[data-mit-exercise="true"] .shell{display:block}
body[data-mit-exercise="true"] .sidebar{padding:25px 20px;background:#333399}
body[data-mit-exercise="true"] .mobile-bar{background:#333399}
body[data-mit-exercise="true"] .main{padding:20px 25px 35px}
body[data-mit-exercise="true"] .lesson-nav{top:58px}
body[data-mit-exercise="true"] .lesson-header h1{font-size:43px}
body[data-mit-exercise="true"] .lesson-header{margin:30px 0 32px}
body[data-mit-exercise="true"] .lesson-header .lesson-intro{font-size:14px}
body[data-mit-exercise="true"] .lesson-chapter{margin-bottom:35px}
body[data-mit-exercise="true"] .lesson-chapter-number{font-size:35px}}
@media (max-width:620px){body[data-mit-exercise="true"] .main{padding:17px 18px 30px}
body[data-mit-exercise="true"] .lesson-header{grid-template-columns:1fr;gap:20px;margin:27px 0 23px}
body[data-mit-exercise="true"] .lesson-header h1{font-size:37px;letter-spacing:-1.3px}
body[data-mit-exercise="true"] .lesson-route{border-left:0;border-top:1px solid var(--accent-line);padding:16px 0 0;display:flex;gap:12px;flex-wrap:wrap}
body[data-mit-exercise="true"] .lesson-route>div{padding:0;gap:5px}
body[data-mit-exercise="true"] .lesson-route>div:not(:last-of-type):after{display:none}
body[data-mit-exercise="true"] .route-node{width:22px;height:22px;font-size:8px}
body[data-mit-exercise="true"] .lesson-route b{font-size:13px}
body[data-mit-exercise="true"] .route-caption{display:none}
body[data-mit-exercise="true"] .lesson-kicker{font-size:10px;margin-bottom:15px}
body[data-mit-exercise="true"] .lesson-deck{font-size:9px}
body[data-mit-exercise="true"] .lesson-topline{padding-bottom:13px}
body[data-mit-exercise="true"] .lesson .chip{min-width:29px;padding:5px 8px;font-size:11px}
body[data-mit-exercise="true"] .lesson-chapter{padding-top:23px}
body[data-mit-exercise="true"] .lesson-chapter-heading{gap:12px}
body[data-mit-exercise="true"] .lesson-chapter-number{font-size:28px;padding-top:24px}
body[data-mit-exercise="true"] .lesson-chapter h2{font-size:29px}
body[data-mit-exercise="true"] .chapter-topic{font-size:8px}
body[data-mit-exercise="true"] .concept-takeaway{font-size:19px;padding:15px 17px;margin:18px 0 14px}
body[data-mit-exercise="true"] .concept-keywords{gap:7px 12px;margin-bottom:23px}
body[data-mit-exercise="true"] .concept-keywords span{font-size:9px}
body[data-mit-exercise="true"] .concept-board{grid-template-columns:1fr;gap:20px}
body[data-mit-exercise="true"] .concept-block{padding-left:13px}
body[data-mit-exercise="true"] .concept-points{font-size:13px;line-height:1.8}
body[data-mit-exercise="true"] .concept-block h3{font-size:19px}
body[data-mit-exercise="true"] .concept-contrast .concept-block:nth-child(-n/**/+2){padding:17px}
body[data-mit-exercise="true"] .lesson .lesson-relations{padding:17px 12px}
body[data-mit-exercise="true"] .lesson .formula-link{grid-template-columns:minmax(82px,.9fr) 20px minmax(0,1.5fr);gap:6px}
body[data-mit-exercise="true"] .lesson .formula-name{font-size:10px;padding:8px 6px}
body[data-mit-exercise="true"] .lesson .formula-expression .katex{font-size:1em}
body[data-mit-exercise="true"] .lesson-visuals{gap:18px}
body[data-mit-exercise="true"] .lesson-visuals .slide-diagram{flex-basis:100%}
body[data-mit-exercise="true"] .lesson-depth .lesson-prose{font-size:13px}
body[data-mit-exercise="true"] .lesson-nav button{font-size:10px}
body[data-mit-exercise="true"] .lesson-nav-items{max-height:none}
body[data-mit-exercise="true"] .lesson-depth>summary{font-size:11px}
body[data-mit-exercise="true"] .lesson-intro{margin-top:17px}
body[data-mit-exercise="true"] .visual-section-label{font-size:8px}}
@media  print{body[data-mit-exercise="true"] .concept-board{display:grid;grid-template-columns:1fr 1fr;gap:15px}
body[data-mit-exercise="true"] .concept-block{break-inside:avoid}
body[data-mit-exercise="true"] .concept-points{font-size:10px}
body[data-mit-exercise="true"] .concept-takeaway{font-size:16px;print-color-adjust:exact;-webkit-print-color-adjust:exact}
body[data-mit-exercise="true"] .lesson-chapter h2{font-size:22px}
body[data-mit-exercise="true"] .concept-block h3{font-size:14px}
body[data-mit-exercise="true"] .lesson-depth>summary{font-size:11px}
body[data-mit-exercise="true"] .lesson-depth>summary>span:last-child{display:none}
body[data-mit-exercise="true"] .lesson-prose{font-size:10px}
body[data-mit-exercise="true"] .lesson-relations,body[data-mit-exercise="true"] .concept-contrast .concept-block{print-color-adjust:exact;-webkit-print-color-adjust:exact}
body[data-mit-exercise="true"] .lesson-visuals .slide-diagram{max-width:440px}
body[data-mit-exercise="true"] .lesson-keywords{font-size:9px}
body[data-mit-exercise="true"] .lesson-source{font-size:8px}}
/* Explicit reading paths: stages descend; only true sequences use connecting arrows. */
body[data-mit-exercise="true"] .concept-board{display:block;container-type:inline-size;margin:28px 0 30px}
body[data-mit-exercise="true"] .reading-path{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:40px}
body[data-mit-exercise="true"] .concept-stage{position:relative;min-width:0}
body[data-mit-exercise="true"] .concept-stage+.concept-stage:before{content:"↓";position:absolute;top:-33px;left:9px;font-size:23px;line-height:25px;color:var(--accent);font-family:"DM Sans",sans-serif}
body[data-mit-exercise="true"] .concept-stage-heading{display:flex;gap:11px;align-items:center;margin-bottom:17px}
body[data-mit-exercise="true"] .concept-stage-heading h3{font-family:"DM Sans",sans-serif;font-size:13px;font-weight:650;letter-spacing:0;line-height:1.45;color:var(--accent-deep);flex:1;min-width:0}
body[data-mit-exercise="true"] .stage-number{display:grid;place-items:center;width:32px;height:27px;font-size:10px;letter-spacing:.5px;font-weight:600;flex-shrink:0;background:var(--accent);color:white;border-radius:4px}
body[data-mit-exercise="true"] .stage-type{font-size:8px;line-height:1.5;text-transform:uppercase;letter-spacing:.8px;color:var(--accent);white-space:nowrap;padding:4px 7px;border:1px solid var(--accent-line);border-radius:3px}
body[data-mit-exercise="true"] .concept-group{display:grid;gap:14px;grid-template-columns:1fr}
body[data-mit-exercise="true"] .concept-board .concept-block{position:relative;grid-column:auto;min-width:0;padding:18px 20px;background:#fafaff;border:1px solid var(--line);border-top:3px solid var(--accent-line);border-radius:5px}
body[data-mit-exercise="true"] .concept-title{gap:9px;align-items:baseline;margin-bottom:11px}
body[data-mit-exercise="true"] .concept-order{font-family:"DM Sans",sans-serif;flex-shrink:0;font-size:10px;line-height:1.3;color:var(--accent);font-weight:700}
body[data-mit-exercise="true"] .concept-block h3{font-size:20px;font-weight:500;line-height:1.2}
body[data-mit-exercise="true"] .group-compare .concept-block:first-child{background:#e9e9f5;border-top-color:#333399}
body[data-mit-exercise="true"] .group-compare .concept-block:nth-child(2){background:#fceeed;border-top-color:#333399}
body[data-mit-exercise="true"] .group-compare .concept-block:nth-child(3){background:#e9e9f5;border-top-color:#d4d4e1}
body[data-mit-exercise="true"] .group-single .concept-block{border:0;border-left:3px solid var(--accent-line);border-radius:0;background:transparent;padding:6px 0 6px 18px;margin-left:15px}
body[data-mit-exercise="true"] .group-single .concept-order{display:none}
body[data-mit-exercise="true"] .group-sequence{gap:32px}
body[data-mit-exercise="true"] .group-sequence .concept-block{background:var(--accent-soft);border-color:var(--accent-line);border-top:3px solid var(--accent);padding:18px}
body[data-mit-exercise="true"] .group-sequence .concept-block:not(:last-child):after{content:"↓";position:absolute;left:calc(50% - 10px);bottom:-29px;width:20px;text-align:center;line-height:24px;font-size:24px;color:var(--accent)}
body[data-mit-exercise="true"] .group-sequence .concept-order{background:var(--accent);color:white;border-radius:50%;width:21px;height:21px;display:grid;place-items:center;line-height:21px;position:relative;top:-1px}
body[data-mit-exercise="true"] .concept-feedback{display:flex;gap:9px;align-items:center;margin:13px 0 0;padding:8px 16px;border:1px dashed var(--accent-line);border-radius:5px;color:var(--accent-deep);font-size:11px;background:var(--accent-soft)}
body[data-mit-exercise="true"] .concept-feedback>span{font-size:28px;line-height:1.1}
body[data-mit-exercise="true"] .concept-feedback p{margin:0;font-weight:600}
body[data-mit-exercise="true"] .concept-matrix{border:1px solid var(--line);border-radius:4px;overflow:hidden}
body[data-mit-exercise="true"] .matrix-header{display:none}
body[data-mit-exercise="true"] .concept-board .matrix-row{border:0;border-radius:0;border-bottom:1px solid var(--line);padding:17px;background:#fafaff;display:grid;grid-template-columns:1fr;gap:10px}
body[data-mit-exercise="true"] .concept-board .matrix-row:last-child{border-bottom:0}
body[data-mit-exercise="true"] .matrix-row .concept-title{margin:0}
body[data-mit-exercise="true"] .matrix-row .concept-title h3{font-size:16px}
body[data-mit-exercise="true"] .matrix-row .concept-points{padding:12px;background:#e9e9f5}
body[data-mit-exercise="true"] .matrix-row .concept-points:last-child{background:#fceeed}
@container (min-width:520px){
 .group-compare{grid-template-columns:repeat(2,minmax(0,1fr))}
 .group-compare.three-across{grid-template-columns:1fr}
 .group-sequence:not(.long-sequence){grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
 .group-sequence.three-across{grid-template-columns:1fr}
 .group-sequence:not(.long-sequence):not(.three-across) .concept-block:not(:last-child):after{content:"→";left:auto;right:-27px;bottom:auto;top:calc(50% - 12px)}
 .group-single .concept-block{display:grid;grid-template-columns:minmax(130px,.65fr) minmax(0,1.6fr);gap:22px;padding:10px 0 10px 18px}
 .group-single .concept-title{margin:0}.group-single .concept-block h3{font-size:19px}
 .matrix-header{display:grid;grid-template-columns:145px 1fr 1fr;background:var(--accent);color:#fff;font-size:11px;gap:0}.matrix-header>*{padding:14px;font-weight:600}
 .concept-board .matrix-row{grid-template-columns:145px minmax(0,1fr) minmax(0,1fr);padding:0;gap:0}
 .matrix-row .concept-title{padding:16px 12px;align-items:flex-start}.matrix-row .concept-title h3{font-size:14px;line-height:1.5}.matrix-row .concept-points{padding:16px 14px;font-size:12px}
}
@container (min-width:700px){
 .group-compare.three-across,.group-sequence.three-across{grid-template-columns:repeat(3,minmax(0,1fr))}
 .group-sequence.three-across .concept-block:not(:last-child):after{content:"→";left:auto;right:-27px;bottom:auto;top:calc(50% - 12px)}
 .group-sequence.three-across .concept-block{padding:17px 14px}.group-sequence.three-across .concept-title{gap:8px}.group-sequence.three-across .concept-block h3{font-size:18px}
 .group-compare.three-across .concept-block h3{font-size:18px}.group-compare.three-across .concept-block{padding:17px}
 .long-sequence .concept-block{display:grid;grid-template-columns:180px minmax(0,1fr);gap:20px}.long-sequence .concept-title{margin:0}
}
@media (max-width:620px){body[data-mit-exercise="true"] .concept-board{margin-top:23px}
body[data-mit-exercise="true"] .concept-stage-heading{gap:9px;margin-bottom:14px}
body[data-mit-exercise="true"] .concept-stage-heading h3{font-size:12px}
body[data-mit-exercise="true"] .stage-type{font-size:7px;padding:3px 4px;letter-spacing:.3px}
body[data-mit-exercise="true"] .stage-number{width:29px;height:25px;font-size:9px}
body[data-mit-exercise="true"] .concept-board .concept-block{padding:17px}
body[data-mit-exercise="true"] .concept-board .group-single .concept-block{padding:5px 0 5px 15px}
body[data-mit-exercise="true"] .concept-block h3{font-size:19px}
body[data-mit-exercise="true"] .concept-feedback{font-size:10px;padding:9px 12px}
body[data-mit-exercise="true"] .reading-path{gap:36px}
body[data-mit-exercise="true"] .concept-stage+.concept-stage:before{top:-31px}
body[data-mit-exercise="true"] .matrix-row .concept-points{font-size:12px}}
@media  print{body[data-mit-exercise="true"] .concept-board{display:block;container-type:normal}
body[data-mit-exercise="true"] .reading-path{gap:25px}
body[data-mit-exercise="true"] .concept-stage+.concept-stage:before{top:-23px;font-size:18px}
body[data-mit-exercise="true"] .concept-stage-heading{break-after:avoid}
body[data-mit-exercise="true"] .concept-stage-heading h3{font-size:11px}
body[data-mit-exercise="true"] .concept-group{grid-template-columns:1fr 1fr}
body[data-mit-exercise="true"] .group-single{grid-template-columns:1fr}
body[data-mit-exercise="true"] .group-sequence{grid-template-columns:1fr;gap:26px}
body[data-mit-exercise="true"] .concept-block h3{font-size:14px}
body[data-mit-exercise="true"] .concept-board .concept-block{padding:13px}
body[data-mit-exercise="true"] .concept-board .concept-block{print-color-adjust:exact;-webkit-print-color-adjust:exact}
body[data-mit-exercise="true"] .concept-stage{break-inside:auto}
body[data-mit-exercise="true"] .concept-feedback{font-size:10px}
body[data-mit-exercise="true"] .stage-number{print-color-adjust:exact;-webkit-print-color-adjust:exact}
body[data-mit-exercise="true"] .concept-board .matrix-row{display:block}}
/* Clarity pass: readable type, complete contents navigation and quieter supporting material. */
@media  screen{body[data-mit-exercise="true"] .concept-points{font-size:15px;line-height:1.7;color:#333399}
body[data-mit-exercise="true"] .concept-points p+p{margin-top:12px}
body[data-mit-exercise="true"] .concept-block h3{font-size:21px;line-height:1.25;letter-spacing:-.25px}
body[data-mit-exercise="true"] .concept-stage-heading h3{font-size:14px;line-height:1.5}
body[data-mit-exercise="true"] .concept-keywords span{font-size:11px;line-height:1.6}
body[data-mit-exercise="true"] .chapter-topic,body[data-mit-exercise="true"] .visual-section-label{font-size:10px;line-height:1.5;letter-spacing:1.1px}
body[data-mit-exercise="true"] .concept-feedback{font-size:12px;line-height:1.65}
body[data-mit-exercise="true"] .concept-order{font-size:11px}
body[data-mit-exercise="true"] .stage-number{font-size:11px}
body[data-mit-exercise="true"] .lesson .lesson-relations{padding:22px 24px}
body[data-mit-exercise="true"] .lesson .formula-link{grid-template-columns:minmax(140px,.85fr) 28px minmax(0,2fr);gap:14px}
body[data-mit-exercise="true"] .lesson .formula-name{font-size:13px;line-height:1.5;padding:10px 11px}
body[data-mit-exercise="true"] .lesson .formula-expression .katex{font-size:1.18em}
body[data-mit-exercise="true"] .lesson .math-note,body[data-mit-exercise="true"] .lesson .math-context{font-size:13px;line-height:1.75;color:#333399}
body[data-mit-exercise="true"] .lesson .math-source{font-size:11px;color:#333399}
body[data-mit-exercise="true"] .lesson .latex-display{padding:8px 2px;scrollbar-width:thin;scrollbar-color:var(--accent-line) transparent}
body[data-mit-exercise="true"] .lesson .slide-diagram figcaption,body[data-mit-exercise="true"] .lesson .slide-diagram figcaption span{font-size:11px;line-height:1.65;color:#333399}
body[data-mit-exercise="true"] .lesson-depth>summary{font-size:13px;padding:17px 0;min-height:48px}
body[data-mit-exercise="true"] .lesson-depth .lesson-prose{font-size:15px;line-height:1.8;padding:12px 3px 20px}
body[data-mit-exercise="true"] .lesson-depth .lesson-prose strong{font-weight:650}
body[data-mit-exercise="true"] .lesson .data-table,body[data-mit-exercise="true"] .garnier-case .data-table{font-size:13px;line-height:1.7}
body[data-mit-exercise="true"] .lesson .data-table th,body[data-mit-exercise="true"] .lesson .data-table td{padding:6px 14px}
body[data-mit-exercise="true"] .lesson .data-table td:has(.latex-inline){min-width:140px}
body[data-mit-exercise="true"] .lesson-example>summary{font-size:15px;line-height:1.55;min-height:50px}
body[data-mit-exercise="true"] .lesson-example-content,body[data-mit-exercise="true"] .garnier-calculations .solution-steps,body[data-mit-exercise="true"] .garnier-mini-algorithm li{font-size:14px;line-height:1.8}
body[data-mit-exercise="true"] .lesson .result{font-size:14px}
body[data-mit-exercise="true"] .lesson .lesson-example-solution>h3{font-size:21px}
body[data-mit-exercise="true"] .lesson-nav button{font-size:12px;line-height:1.45;padding:10px 9px}
body[data-mit-exercise="true"] .lesson-nav button span{font-size:10px}
body[data-mit-exercise="true"] .lesson-nav>p{font-size:10px}
body[data-mit-exercise="true"] .lesson-nav{scrollbar-width:thin}
body[data-mit-exercise="true"] .lesson-intro{font-size:16px;line-height:1.7}
body[data-mit-exercise="true"] .lesson-deck,body[data-mit-exercise="true"] .lesson-source{font-size:12px}
body[data-mit-exercise="true"] .lesson-visuals .slide-diagram{align-self:flex-start}
body[data-mit-exercise="true"] .lesson-prose .slide-text-table{margin-top:24px}
body[data-mit-exercise="true"] .lesson .table-wrap{scrollbar-width:thin;scrollbar-color:var(--accent-line) transparent}
body[data-mit-exercise="true"] .concept-board .matrix-row .concept-points{font-size:14px;line-height:1.7;padding:17px 15px}
body[data-mit-exercise="true"] .matrix-header{font-size:13px;line-height:1.5}
body[data-mit-exercise="true"] .matrix-row .concept-title h3{font-size:15px}}
body[data-mit-exercise="true"] .lesson-nav .lesson-contents-toggle{display:none}
@media  screen and (max-width:1100px) and (min-width:621px){body[data-mit-exercise="true"] .lesson-nav-items{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 6px;overflow:visible}
body[data-mit-exercise="true"] .lesson-nav button{width:100%;padding:8px 9px;min-height:39px;align-items:baseline;font-size:12px}
body[data-mit-exercise="true"] .lesson-nav{padding:12px 0 8px}
body[data-mit-exercise="true"] .lesson-nav>p{font-size:9px;padding-bottom:7px}}
@media  screen and (max-width:620px){body[data-mit-exercise="true"] .concept-points{font-size:15px;line-height:1.7}
body[data-mit-exercise="true"] .concept-stage-heading h3{font-size:13px;line-height:1.5}
body[data-mit-exercise="true"] .concept-block h3{font-size:20px}
body[data-mit-exercise="true"] .concept-keywords span{font-size:11px}
body[data-mit-exercise="true"] .concept-takeaway{font-size:20px;line-height:1.5}
body[data-mit-exercise="true"] .chapter-topic,body[data-mit-exercise="true"] .visual-section-label{font-size:10px}
body[data-mit-exercise="true"] .lesson-depth .lesson-prose{font-size:15px;line-height:1.8}
body[data-mit-exercise="true"] .lesson-intro,body[data-mit-exercise="true"] .lesson-header .lesson-intro{font-size:15px}
body[data-mit-exercise="true"] .lesson .lesson-relations{padding:18px 11px}
body[data-mit-exercise="true"] .lesson .formula-link{grid-template-columns:minmax(90px,.75fr) 20px minmax(0,1.5fr);gap:8px}
body[data-mit-exercise="true"] .lesson .formula-name{font-size:12px;padding:9px 7px}
body[data-mit-exercise="true"] .lesson .formula-expression .katex{font-size:1.05em}
body[data-mit-exercise="true"] .lesson .math-note,body[data-mit-exercise="true"] .lesson .math-context{font-size:13px}
body[data-mit-exercise="true"] .lesson .data-table,body[data-mit-exercise="true"] .garnier-case .data-table{font-size:13px}
body[data-mit-exercise="true"] .lesson .data-table th,body[data-mit-exercise="true"] .lesson .data-table td{padding:6px 12px}
body[data-mit-exercise="true"] .lesson-deck{font-size:10px}
body[data-mit-exercise="true"] .lesson .formula-connector{font-size:25px}
body[data-mit-exercise="true"] .lesson .concept-feedback{font-size:12px}
body[data-mit-exercise="true"] .lesson-nav{padding:6px 0 5px}
body[data-mit-exercise="true"] .lesson-nav>p{display:none}
body[data-mit-exercise="true"] .lesson-nav .lesson-contents-toggle{display:flex;width:100%;justify-content:space-between;align-items:center;gap:14px;padding:6px 3px;border-radius:0;min-height:50px;background:transparent;text-align:left}
body[data-mit-exercise="true"] .lesson-contents-toggle>span{display:block;min-width:0}
body[data-mit-exercise="true"] .lesson-contents-toggle small{display:block;font-size:9px;letter-spacing:1.3px;text-transform:uppercase;color:var(--accent);margin-bottom:3px}
body[data-mit-exercise="true"] .lesson-contents-toggle b{display:block;font-family:"DM Sans",sans-serif;font-size:13px;font-weight:600;line-height:1.45;color:var(--accent-deep)}
body[data-mit-exercise="true"] .lesson-contents-toggle i{font-size:23px;font-style:normal;transition:transform .15s}
body[data-mit-exercise="true"] .lesson-nav.is-expanded .lesson-contents-toggle i{transform:rotate(180deg)}
body[data-mit-exercise="true"] .lesson-nav .lesson-nav-items{display:none}
body[data-mit-exercise="true"] .lesson-nav.is-expanded .lesson-nav-items{display:grid;grid-template-columns:1fr;gap:3px;padding:7px 0;max-height:42vh;overflow-y:auto}
body[data-mit-exercise="true"] .lesson-nav-items button{font-size:13px;min-height:42px;padding:10px 9px;width:100%;white-space:normal}
body[data-mit-exercise="true"] .lesson-read-track{margin-top:5px}}
@container (min-width:700px){
 .group-sequence.three-across .concept-block h3,.group-compare.three-across .concept-block h3{font-size:20px;line-height:1.25}
}
@media  print{body[data-mit-exercise="true"] .lesson-nav .lesson-contents-toggle{display:none}}
/* Worked solutions: one calculation per block, one equality per line. */
body[data-mit-exercise="true"] .working-stack{display:block;min-width:0}
body[data-mit-exercise="true"] .working-calculation{display:block;min-width:0;line-height:1.75}
body[data-mit-exercise="true"] .working-calculation+.working-calculation{margin-top:14px}
body[data-mit-exercise="true"] .working-line{display:block;overflow-wrap:anywhere}
body[data-mit-exercise="true"] .working-expanded{border-left:2px solid #e9e9f5;padding-left:14px}
body[data-mit-exercise="true"] .working-expanded .working-name{font-weight:650;color:#333399;margin-bottom:3px}
body[data-mit-exercise="true"] .working-expanded .working-line:not(.working-name){font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .answer-copy>p:has(.working-stack){margin:0}
body[data-mit-exercise="true"] .answer-copy>p:has(.working-stack)+p{margin-top:17px}
body[data-mit-exercise="true"] .solution-steps>li:has(.working-stack){margin-top:18px;margin-bottom:18px}
@media (max-width:620px){body[data-mit-exercise="true"] .working-expanded{padding-left:11px}
body[data-mit-exercise="true"] .working-calculation+.working-calculation{margin-top:12px}}
@media  print{body[data-mit-exercise="true"] .working-calculation{break-inside:avoid;line-height:1.6}
body[data-mit-exercise="true"] .working-calculation+.working-calculation{margin-top:9px}
body[data-mit-exercise="true"] .working-expanded{border-left-color:#d4d4e1;padding-left:9px}}
/* Calculated values use black in working, reconstructed answer tables and print. */
body[data-mit-exercise="true"] .working-result{color:#111111;font-weight:650}
body[data-mit-exercise="true"] .working-result .answer-highlight,body[data-mit-exercise="true"] .working-stack .answer-highlight,body[data-mit-exercise="true"] .exercise-decision .answer-highlight{color:#111111}
@media  print{body[data-mit-exercise="true"] .working-result,body[data-mit-exercise="true"] .working-stack .answer-highlight,body[data-mit-exercise="true"] .exercise-decision .answer-highlight{color:#111111!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}}
/* Related calculations read left to right as blocks within their question. */
body[data-mit-exercise="true"] .working-layout,body[data-mit-exercise="true"] .working-step-grid,body[data-mit-exercise="true"] .working-step-grid>li>.working-stack{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:24px 30px;align-items:start}
body[data-mit-exercise="true"] .working-layout>p:has(>.working-stack),body[data-mit-exercise="true"] .working-layout>p>.working-stack{display:contents}
body[data-mit-exercise="true"] .working-layout>.answer-part-title,body[data-mit-exercise="true"] .working-layout>.answer-parts,body[data-mit-exercise="true"] .working-prose{grid-column:1/-1}
body[data-mit-exercise="true"] .working-layout>.answer-parts{margin-top:0}
body[data-mit-exercise="true"] .working-layout .working-calculation+.working-calculation,body[data-mit-exercise="true"] .working-step-grid .working-calculation+.working-calculation{margin-top:0}
body[data-mit-exercise="true"] .working-block{border-left:2px solid #e9e9f5;padding-left:14px;align-self:start;min-width:0}
body[data-mit-exercise="true"] .working-step-grid>li:has(>.working-stack){min-width:0;margin-top:0;margin-bottom:0;padding-right:3px}
body[data-mit-exercise="true"] .working-step-grid>li:has(>.working-stack>.working-prose){grid-column:1/-1}
body[data-mit-exercise="true"] .working-step-grid>li>.working-stack{gap:24px 30px}
body[data-mit-exercise="true"] .working-layout .working-line,body[data-mit-exercise="true"] .working-step-grid .working-line{overflow-wrap:anywhere}
@media (max-width:620px){body[data-mit-exercise="true"] .working-layout,body[data-mit-exercise="true"] .working-step-grid,body[data-mit-exercise="true"] .working-step-grid>li>.working-stack{grid-template-columns:1fr;gap:20px}
body[data-mit-exercise="true"] .working-block{padding-left:11px}}
@media  print{body[data-mit-exercise="true"] .working-layout,body[data-mit-exercise="true"] .working-step-grid,body[data-mit-exercise="true"] .working-step-grid>li>.working-stack{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 20px}
body[data-mit-exercise="true"] .working-layout .working-calculation,body[data-mit-exercise="true"] .working-step-grid .working-calculation{break-inside:avoid}
body[data-mit-exercise="true"] .working-block{border-left-color:#d4d4e1;padding-left:9px}
body[data-mit-exercise="true"] .answer-part:has(.working-layout){break-inside:auto}}
/* Number provenance: supplied inputs green; computed values black. */
body[data-mit-exercise="true"] .working-given,body[data-mit-exercise="true"] .working-given .answer-highlight{color:#333399;font-weight:650}
@media  print{body[data-mit-exercise="true"] .working-given,body[data-mit-exercise="true"] .working-given .answer-highlight{color:#333399!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}}
/* The arrows carry a computed value to the operand that reuses it. */
body[data-mit-exercise="true"] .working-flow{position:relative;isolation:isolate}
body[data-mit-exercise="true"] .working-connection-svg{position:absolute;left:0;top:0;overflow:visible;pointer-events:none;z-index:2}
body[data-mit-exercise="true"] .working-connection{fill:none;stroke:#333399;stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round;opacity:.57;vector-effect:non-scaling-stroke}
body[data-mit-exercise="true"] .working-flow[data-flow-hover] .working-connection{opacity:.16}
body[data-mit-exercise="true"] .working-flow[data-flow-hover] .working-connection.active{opacity:1;stroke:#333399;stroke-width:1.9}
@media  print{body[data-mit-exercise="true"] .working-connection{opacity:.65;stroke-width:.9}
body[data-mit-exercise="true"] .working-cross-row{display:none}}
body[data-mit-exercise="true"] .working-block[data-flow-incoming] .working-name{margin-bottom:15px}
body[data-mit-exercise="true"] .working-long-connection{opacity:.2}
/* Free calculation maps: place the steps by dependency rather than source rows. */
body[data-mit-exercise="true"] .working-flow.canvas-ready{display:block;list-style:none;margin:0;padding:0}
body[data-mit-exercise="true"] .working-flow.canvas-ready>:not(.working-canvas-viewport){display:none!important}
body[data-mit-exercise="true"] .working-canvas-toolbar{display:flex;justify-content:flex-end;gap:5px;margin:0 0 9px}
body[data-mit-exercise="true"] .working-canvas-toolbar button{background:#fff;border:1px solid #e9e9f5;border-radius:5px;min-width:30px;padding:5px 8px;font-size:11px;line-height:1.3;color:#333399}
body[data-mit-exercise="true"] .working-canvas-toolbar button:hover{background:#fafaff}
body[data-mit-exercise="true"] .working-canvas-window{overflow:auto;max-width:100%;background:#fff;border:0;border-radius:0;outline:none;overscroll-behavior-x:contain;overscroll-behavior-y:auto;cursor:grab;touch-action:pan-x pan-y;scrollbar-gutter:stable}
body[data-mit-exercise="true"] .working-canvas-window.dragging{cursor:grabbing;user-select:none}
body[data-mit-exercise="true"] .working-canvas-space{position:relative;min-width:100%;min-height:100%}
body[data-mit-exercise="true"] .working-canvas-plane{position:absolute;left:0;top:0;transform-origin:0 0}
body[data-mit-exercise="true"] .working-canvas-node{position:absolute;width:max-content;min-width:260px;max-width:none;background:#fff;border:1px solid #e9e9f5;border-radius:7px;padding:13px 15px;z-index:1;box-sizing:border-box;cursor:text}
body[data-mit-exercise="true"] .working-canvas-node .working-calculation{margin:0!important;display:block;line-height:1.7;font-size:14px;min-width:0}
body[data-mit-exercise="true"] .working-canvas-node .working-block{padding-left:11px}
body[data-mit-exercise="true"] .working-canvas-node .working-name{margin-bottom:5px!important;font-size:15px}
body[data-mit-exercise="true"] .working-canvas-node .working-line{white-space:nowrap;overflow-wrap:normal;word-break:normal}
body[data-mit-exercise="true"] .working-canvas-context{display:block;font-size:10px;line-height:1.5;font-weight:600;letter-spacing:.2px;color:#333399;margin:0 0 7px}
body[data-mit-exercise="true"] .working-canvas-arrows{position:absolute;left:0;top:0;overflow:visible;pointer-events:none;z-index:0}
body[data-mit-exercise="true"] .working-canvas-edge{fill:none;stroke:#333399;stroke-width:1.35;stroke-linecap:round;stroke-linejoin:round;opacity:.8;vector-effect:non-scaling-stroke}
body[data-mit-exercise="true"] .working-canvas-edge.active{stroke:#333399;stroke-width:2.1;opacity:1}
body[data-mit-exercise="true"] .flow-value-active{outline:1px solid #333399;outline-offset:2px;border-radius:1px}
body[data-mit-exercise="true"] .working-canvas-notes{margin-top:20px;display:grid;gap:13px;font-size:13px;line-height:1.75}
body[data-mit-exercise="true"] .working-canvas-note{border-left:2px solid #e9e9f5;padding-left:12px}
body[data-mit-exercise="true"] .working-canvas-note .working-calculation{margin:0;border:0;padding:0}
@media (max-width:620px){body[data-mit-exercise="true"] .working-canvas-node .working-calculation{font-size:14px}
body[data-mit-exercise="true"] .working-canvas-toolbar{position:sticky;left:0}}
@media  print{body[data-mit-exercise="true"] .working-flow.canvas-ready>:not(.working-canvas-viewport){display:revert!important}
body[data-mit-exercise="true"] .working-flow.canvas-ready>.working-canvas-viewport{display:none!important}}
/* Give the calculation map more room inside the worked solution. */
body[data-mit-exercise="true"] .working-canvas-viewport{margin-inline:-12px}
@media (max-width:620px){body[data-mit-exercise="true"] .working-canvas-viewport{margin-inline:-6px}}
/* Keep the calculation space visually open; retain borders on individual steps. */
body[data-mit-exercise="true"] .examples[data-kind="exercise"]>.panel:has(.working-flow){border:0;border-radius:0;box-shadow:none}
body[data-mit-exercise="true"] .working-canvas-window:focus-visible{outline:none}
body[data-mit-exercise="true"] .working-canvas-viewport:has(.working-canvas-window:focus-visible) [data-canvas-zoom="reset"]{outline:2px solid #333399;outline-offset:2px}
/* Textual answers belong to the same map as the numerical answers. */
body[data-mit-exercise="true"] .working-canvas-part-title{font-size:14px;font-weight:650;color:#333399;margin:0 0 8px}
body[data-mit-exercise="true"] .working-canvas-content.prose-answer{border-left:2px solid #e9e9f5;padding-left:11px}
body[data-mit-exercise="true"] .working-canvas-content>.working-calculation+.working-calculation{margin-top:8px!important}
/* Original questions and answers share one unnamed, zoomable artboard. */
body[data-mit-exercise="true"] .working-canvas-prompt{position:absolute;background:#fff;z-index:1;box-sizing:border-box}
body[data-mit-exercise="true"] .working-canvas-prompt .prompt-section{margin:0!important}
body[data-mit-exercise="true"] .working-canvas-prompt .prompt-figure{width:100%;max-width:none;margin:0 0 18px}
body[data-mit-exercise="true"] .working-canvas-prompt .prompt-figure:last-child{margin-bottom:0}
body[data-mit-exercise="true"] .working-canvas-prompt .prompt-image{width:100%;height:auto}
body[data-mit-exercise="true"] .working-canvas-prompt figcaption{display:none}
body[data-mit-exercise="true"] .working-canvas-prompt .prompt-transcript{font-size:21px}
body[data-mit-exercise="true"] .working-canvas-prompt .prompt-image-button{border:0;border-radius:0;box-shadow:none}
body[data-mit-exercise="true"] .working-flow>.prompt-section{margin:0 0 24px}
body[data-mit-exercise="true"] .lesson-example-solution{margin-top:16px}
body[data-mit-exercise="true"] .examples[data-kind="exercise"]{margin-top:20px}
@media  print{body[data-mit-exercise="true"] .working-flow>.prompt-section{margin:0 0 16px}}
/* A requested financial statement is presented as a completed worksheet. */
body[data-mit-exercise="true"] .working-statement{border-left:0!important;padding-left:0!important;min-width:720px}
body[data-mit-exercise="true"] .worked-statement{width:100%;border-collapse:collapse;font-family:Calibri,Arial,sans-serif;font-size:16px;line-height:1.5;color:#111}
body[data-mit-exercise="true"] .worked-statement caption{text-align:center;padding:5px 10px 15px;color:#111}
body[data-mit-exercise="true"] .worked-statement caption strong,body[data-mit-exercise="true"] .worked-statement caption span{display:block;font-size:20px;line-height:1.4}
body[data-mit-exercise="true"] .worked-statement th,body[data-mit-exercise="true"] .worked-statement td{border:1px solid #b6b6b6;padding:6px 12px;white-space:nowrap;background:white}
body[data-mit-exercise="true"] .worked-statement thead th{background:#e9e9f5;font-weight:700;text-align:left}
body[data-mit-exercise="true"] .worked-statement tbody th{text-align:left;font-weight:400}
body[data-mit-exercise="true"] .worked-statement .statement-amount{text-align:right;min-width:110px;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .worked-statement .statement-calculation{text-align:right;min-width:220px;font-size:15px}
body[data-mit-exercise="true"] .worked-statement thead th:last-child{text-align:right}
body[data-mit-exercise="true"] .worked-statement .statement-indent th{padding-left:28px}
body[data-mit-exercise="true"] .worked-statement .statement-heading th{background:#f2f2f2;font-weight:700}
body[data-mit-exercise="true"] .worked-statement .statement-subtotal th,body[data-mit-exercise="true"] .worked-statement .statement-final th{font-weight:700}
body[data-mit-exercise="true"] .worked-statement .statement-subtotal .statement-amount{border-top:2px solid #333}
body[data-mit-exercise="true"] .worked-statement .statement-final .statement-amount{border-top:2px solid #222;border-bottom:4px double #222;font-weight:700}
@media  print{body[data-mit-exercise="true"] .working-statement{min-width:0}
body[data-mit-exercise="true"] .worked-statement{font-size:10px}
body[data-mit-exercise="true"] .worked-statement .statement-calculation{min-width:0;font-size:9px}
body[data-mit-exercise="true"] .worked-statement .statement-amount{min-width:0}
body[data-mit-exercise="true"] .worked-statement caption strong,body[data-mit-exercise="true"] .worked-statement caption span{font-size:14px}}
/* Chief: two complete statements, with each calculation aligned to its own row. */
body[data-mit-exercise="true"] .chief-comparison{border:0!important;padding:0!important}
body[data-mit-exercise="true"] .working-canvas-node:has(.chief-comparison){border:0;border-radius:0;padding:0}
body[data-mit-exercise="true"] .chief-shared{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-bottom:34px}
body[data-mit-exercise="true"] .chief-calculation{display:flex;flex-direction:column;gap:3px;font-size:15px;line-height:1.5;border-left:2px solid #e9e9f5;padding-left:12px;white-space:nowrap}
body[data-mit-exercise="true"] .chief-calculation>strong{font-size:15px;color:#333399;font-weight:650}
body[data-mit-exercise="true"] .chief-calculation>b,body[data-mit-exercise="true"] .chief-calculation span>b{color:#111}
body[data-mit-exercise="true"] .chief-methods{display:flex;gap:96px;align-items:flex-start}
body[data-mit-exercise="true"] .chief-method{display:flex;flex-direction:column;align-items:flex-start;gap:64px}
body[data-mit-exercise="true"] .chief-method-row{display:flex;align-items:flex-start;gap:0;width:100%}
body[data-mit-exercise="true"] .chief-side-calculations{width:336px;flex:0 0 336px}
body[data-mit-exercise="true"] .chief-side-spacer{height:80px}
body[data-mit-exercise="true"] .chief-calculation-slot{height:86px;display:flex;align-items:center;gap:10px;position:relative;box-sizing:border-box}
body[data-mit-exercise="true"] .chief-method-left .chief-calculation-slot{padding-right:34px}
body[data-mit-exercise="true"] .chief-method-right .chief-calculation-slot{padding-left:34px}
body[data-mit-exercise="true"] .chief-transfer{position:absolute;font-size:30px;color:#333399;line-height:1;top:28px}
body[data-mit-exercise="true"] .chief-method-left .chief-transfer{right:2px}
body[data-mit-exercise="true"] .chief-method-right .chief-transfer{left:2px}
body[data-mit-exercise="true"] .chief-calculation-divider{height:44px}
body[data-mit-exercise="true"] .chief-statement{width:400px;flex:0 0 400px;border-collapse:collapse;font-family:Calibri,Arial,sans-serif;font-size:16px;line-height:1.5;color:#111;table-layout:fixed}
body[data-mit-exercise="true"] .chief-statement caption{height:80px;text-align:center;box-sizing:border-box;padding:9px 4px}
body[data-mit-exercise="true"] .chief-statement caption strong,body[data-mit-exercise="true"] .chief-statement caption span{display:block;font-size:19px;line-height:1.5}
body[data-mit-exercise="true"] .chief-statement th,body[data-mit-exercise="true"] .chief-statement td{height:86px;box-sizing:border-box;padding:6px 12px;border:1px solid #b6b6b6;background:#fff;vertical-align:middle}
body[data-mit-exercise="true"] .chief-statement th{width:72%;text-align:left;font-weight:400;white-space:normal}
body[data-mit-exercise="true"] .chief-statement td{width:28%;text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .chief-statement .chief-summary th{background:#fafaff}
body[data-mit-exercise="true"] .chief-question{display:inline-block;color:#333399;margin-right:5px}
body[data-mit-exercise="true"] .chief-statement .chief-statement-divider th{height:44px;background:#e9e9f5;font-weight:700;text-align:center}
body[data-mit-exercise="true"] .chief-statement .chief-subtotal th,body[data-mit-exercise="true"] .chief-statement .chief-final th{font-weight:700}
body[data-mit-exercise="true"] .chief-statement .chief-subtotal td{border-top:2px solid #333}
body[data-mit-exercise="true"] .chief-statement .chief-final td{border-top:2px solid #222;border-bottom:4px double #222;font-weight:700}
body[data-mit-exercise="true"] .chief-reconciliation{margin-top:35px;padding:20px 24px;border-left:3px solid #333399;max-width:1050px;font-size:16px;line-height:1.7}
body[data-mit-exercise="true"] .chief-reconciliation p{margin-top:7px}
@media  print{body[data-mit-exercise="true"] .chief-methods{display:block}
body[data-mit-exercise="true"] .chief-method{break-inside:avoid;margin-bottom:25px}
body[data-mit-exercise="true"] .chief-shared{grid-template-columns:1fr 1fr}
body[data-mit-exercise="true"] .chief-side-calculations{width:270px;flex-basis:270px}
body[data-mit-exercise="true"] .chief-statement{width:350px;flex-basis:350px}
body[data-mit-exercise="true"] .chief-calculation{font-size:11px}
body[data-mit-exercise="true"] .chief-calculation>strong{font-size:11px}
body[data-mit-exercise="true"] .chief-statement{font-size:12px}
body[data-mit-exercise="true"] .chief-statement caption strong,body[data-mit-exercise="true"] .chief-statement caption span{font-size:14px}}
/* Keep each full calculation on one line beneath its item label. */
body[data-mit-exercise="true"] .chief-equation{display:block;white-space:nowrap}
body[data-mit-exercise="true"] .chief-side-calculations{width:max-content;min-width:336px;flex:0 0 auto}
@media  print{body[data-mit-exercise="true"] .chief-side-calculations{min-width:270px}}
/* Three Turtles: one contribution statement with variable calculations left and fixed calculations right. */
body[data-mit-exercise="true"] .turtles-preparation{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-bottom:32px}
body[data-mit-exercise="true"] .turtles-workbench{display:flex;align-items:flex-start}
body[data-mit-exercise="true"] .turtles-statement{width:480px;flex-basis:480px}
body[data-mit-exercise="true"] .turtles-statement caption{height:102px;padding-top:8px}
body[data-mit-exercise="true"] .turtles-statement caption small{display:block;font-size:13px;line-height:1.5;margin-top:5px}
body[data-mit-exercise="true"] .turtles-side{width:max-content;flex:0 0 auto}
body[data-mit-exercise="true"] .turtles-side-left{min-width:450px}
body[data-mit-exercise="true"] .turtles-side-right{min-width:420px}
body[data-mit-exercise="true"] .turtles-side-spacer{height:102px}
body[data-mit-exercise="true"] .turtles-side-left .chief-calculation-slot{padding-right:34px}
body[data-mit-exercise="true"] .turtles-side-right .chief-calculation-slot{padding-left:34px}
body[data-mit-exercise="true"] .turtles-side-left .chief-transfer{right:2px}
body[data-mit-exercise="true"] .turtles-side-right .chief-transfer{left:2px}
@media  print{body[data-mit-exercise="true"] .turtles-preparation{grid-template-columns:1fr}
body[data-mit-exercise="true"] .turtles-workbench{zoom:.68}
body[data-mit-exercise="true"] .turtles-side-left{min-width:390px}
body[data-mit-exercise="true"] .turtles-side-right{min-width:360px}
body[data-mit-exercise="true"] .turtles-statement{width:420px;flex-basis:420px}}
/* Golden Bay: the cost schedule feeds COGS straight into the completed income statement. */
body[data-mit-exercise="true"] .golden-preparation{margin-bottom:30px}
body[data-mit-exercise="true"] .golden-workbench,body[data-mit-exercise="true"] .golden-method{display:flex;align-items:flex-start}
body[data-mit-exercise="true"] .golden-statement{width:380px;flex-basis:380px;font-size:15px;line-height:1.4}
body[data-mit-exercise="true"] .golden-statement caption{height:80px}
body[data-mit-exercise="true"] .golden-statement caption strong,body[data-mit-exercise="true"] .golden-statement caption span{font-size:18px}
body[data-mit-exercise="true"] .golden-statement th,body[data-mit-exercise="true"] .golden-statement td{height:64px;padding:6px 10px}
body[data-mit-exercise="true"] .golden-statement .chief-statement-divider th{height:44px}
body[data-mit-exercise="true"] .golden-side{width:max-content;flex:0 0 auto}
body[data-mit-exercise="true"] .golden-side-left{min-width:370px}
body[data-mit-exercise="true"] .golden-side-right{min-width:330px}
body[data-mit-exercise="true"] .golden-side-spacer{height:80px}
body[data-mit-exercise="true"] .golden-side .chief-calculation-slot{height:64px}
body[data-mit-exercise="true"] .golden-side .chief-calculation,body[data-mit-exercise="true"] .golden-side .chief-calculation>strong{font-size:14px}
body[data-mit-exercise="true"] .golden-side-left .chief-calculation-slot{padding-right:34px}
body[data-mit-exercise="true"] .golden-side-right .chief-calculation-slot{padding-left:34px}
body[data-mit-exercise="true"] .golden-side .chief-transfer{top:17px}
body[data-mit-exercise="true"] .golden-side-left .chief-transfer{right:2px}
body[data-mit-exercise="true"] .golden-side-right .chief-transfer{left:2px}
body[data-mit-exercise="true"] .golden-handoff{position:relative;width:64px;flex:0 0 64px;align-self:stretch}
body[data-mit-exercise="true"] .golden-handoff>span{position:absolute;left:0;width:64px;text-align:center;transform:translateY(-50%);font-size:44px;line-height:1;color:#333399}
body[data-mit-exercise="true"] .golden-import{background:#fafaff}
@media  print{body[data-mit-exercise="true"] .golden-workbench{display:block}
body[data-mit-exercise="true"] .golden-handoff{display:none}
body[data-mit-exercise="true"] .golden-method-right{margin-top:25px!important}
body[data-mit-exercise="true"] .golden-method{break-inside:avoid}
body[data-mit-exercise="true"] .golden-side{min-width:300px}
body[data-mit-exercise="true"] .golden-statement{width:350px;flex-basis:350px}}
/* Comfy: one shared statement structure for the current case and all alternatives. */
body[data-mit-exercise="true"] .comfy-workbench{width:1572px;max-width:none;color:#111}
body[data-mit-exercise="true"] .comfy-sheet{width:1120px;table-layout:fixed;border-collapse:collapse;font-family:Calibri,Arial,sans-serif;color:#111;line-height:1.45}
body[data-mit-exercise="true"] .comfy-sheet th,body[data-mit-exercise="true"] .comfy-sheet td{height:auto;border:1px solid #b6b6b6;padding:6px 9px;background:#fff;vertical-align:middle;box-sizing:border-box}
body[data-mit-exercise="true"] .comfy-sheet tbody th{text-align:left;font-size:17px;font-weight:400;white-space:normal}
body[data-mit-exercise="true"] .comfy-sheet thead th{height:auto;background:#e9e9f5;text-align:center;font-size:18px;font-weight:700}
body[data-mit-exercise="true"] .comfy-sheet thead th:first-child{text-align:left}
body[data-mit-exercise="true"] .comfy-sheet td{text-align:right;font-size:17px;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .comfy-workbench .comfy-equation{display:block;white-space:nowrap;font-size:16px;line-height:1.6}
body[data-mit-exercise="true"] .comfy-sheet .comfy-changed{background:#fafaff}
body[data-mit-exercise="true"] .comfy-sheet .comfy-baseline{background:#fafaff;border-right:3px solid #d4d4e1}
body[data-mit-exercise="true"] .comfy-sheet .comfy-requirements th{height:auto;background:#fafaff;font-size:16px}
body[data-mit-exercise="true"] .comfy-sheet .comfy-section th{height:auto;background:#fafaff;font-weight:700;font-size:18px}
body[data-mit-exercise="true"] .comfy-sheet .comfy-statement-start th{height:auto;background:#e9e9f5;border-top:3px solid #d4d4e1}
body[data-mit-exercise="true"] .comfy-sheet .comfy-subtotal th,body[data-mit-exercise="true"] .comfy-sheet .comfy-final th,body[data-mit-exercise="true"] .comfy-sheet .comfy-delta th{font-weight:700}
body[data-mit-exercise="true"] .comfy-sheet .comfy-subtotal td{border-top:2px solid #777}
body[data-mit-exercise="true"] .comfy-sheet .comfy-final td{border-top:2px solid #222;border-bottom:4px double #222}
body[data-mit-exercise="true"] .comfy-sheet .comfy-delta th,body[data-mit-exercise="true"] .comfy-sheet .comfy-delta td{height:auto;background:#fafaff}
body[data-mit-exercise="true"] .comfy-rule{margin:0 0 22px;font-size:18px;line-height:1.6;white-space:normal}
body[data-mit-exercise="true"] .comfy-workbench .comfy-equation .working-given{color:#333399}
body[data-mit-exercise="true"] .comfy-workbench .working-result{color:#111}
body[data-mit-exercise="true"] .comfy-linked-sheet{position:relative;width:1572px;padding:0 36px;box-sizing:border-box}
body[data-mit-exercise="true"] .comfy-brackets{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
body[data-mit-exercise="true"] .comfy-bracket-line{fill:none;stroke-width:2.2;stroke-linecap:square;stroke-linejoin:miter}
@media  print{body[data-mit-exercise="true"] .comfy-workbench{zoom:.61}}
/* Socks Unlimited: one exercise, four numbered requirements, and three checked statements. */
body[data-mit-exercise="true"] .socks-company{font-size:23px;text-align:center;margin:0 0 24px;color:#111}
body[data-mit-exercise="true"] .socks-margin{margin-bottom:30px}
body[data-mit-exercise="true"] .socks-margin h4{font-size:18px;color:#333399;margin:0 0 15px}
body[data-mit-exercise="true"] .socks-margin-flow{display:flex;align-items:center;gap:28px}
body[data-mit-exercise="true"] .socks-transfer{font-size:36px;color:#333399}
body[data-mit-exercise="true"] .socks-equation{display:block;white-space:nowrap;font-size:14px;line-height:1.7}
body[data-mit-exercise="true"] .socks-equation>b,body[data-mit-exercise="true"] .socks-equation>mark{font-size:15px}
body[data-mit-exercise="true"] .socks-statement{width:1420px;table-layout:fixed;border-collapse:collapse;font-family:Calibri,Arial,sans-serif;color:#111;line-height:1.45}
body[data-mit-exercise="true"] .socks-statement col.socks-label-column{width:310px}
body[data-mit-exercise="true"] .socks-statement th,body[data-mit-exercise="true"] .socks-statement td{height:auto;padding:6px 12px;border:1px solid #b6b6b6;box-sizing:border-box;vertical-align:middle;background:#fff}
body[data-mit-exercise="true"] .socks-statement thead th{font-size:18px;background:#e9e9f5;text-align:center}
body[data-mit-exercise="true"] .socks-statement tbody th{font-size:16px;font-weight:400;text-align:left;white-space:normal}
body[data-mit-exercise="true"] .socks-statement td{text-align:right;font-size:16px;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .socks-statement .socks-changed{background:#fafaff;box-shadow:inset 3px 0 #b9b9df}
body[data-mit-exercise="true"] .socks-statement .socks-section th{height:auto;background:#e9e9f5;font-weight:700}
body[data-mit-exercise="true"] .socks-statement .socks-subtotal th,body[data-mit-exercise="true"] .socks-statement .socks-final th{font-weight:700}
body[data-mit-exercise="true"] .socks-statement .socks-subtotal td{border-top:2px solid #777}
body[data-mit-exercise="true"] .socks-statement .socks-final td{border-top:2px solid #222;border-bottom:4px double #222}
body[data-mit-exercise="true"] .socks-statement .socks-arrows th,body[data-mit-exercise="true"] .socks-statement .socks-arrows td{height:35px;border:0;background:#fff;padding:0;text-align:center;color:#333399;font-size:25px}
body[data-mit-exercise="true"] .socks-difference{margin-top:28px;padding-left:20px;border-left:3px solid #333399;font-size:16px;line-height:1.7;max-width:1100px}
body[data-mit-exercise="true"] .socks-difference>b{display:block;color:#333399;margin-bottom:5px}
body[data-mit-exercise="true"] .socks-difference p{margin-top:8px;white-space:normal}
@media  print{body[data-mit-exercise="true"] .socks-comparison{zoom:.67}
body[data-mit-exercise="true"] .socks-statement{width:1030px}
body[data-mit-exercise="true"] .socks-statement col.socks-label-column{width:250px}
body[data-mit-exercise="true"] .socks-equation{font-size:11px}
body[data-mit-exercise="true"] .socks-equation>b,body[data-mit-exercise="true"] .socks-equation>mark{font-size:12px}}
/* Connect the two target volumes directly to their comparison and explanation. */
body[data-mit-exercise="true"] .socks-statement .socks-difference-row td{border:0;padding:0;height:auto;vertical-align:top;background:#fff}
body[data-mit-exercise="true"] .socks-quantity-arrows{display:grid;grid-template-columns:1fr 1fr;height:36px;align-items:center;text-align:center;color:#333399;font-size:28px;line-height:1}
body[data-mit-exercise="true"] .socks-statement .socks-difference-row .socks-difference{margin:0 0 22px;padding:13px 18px 16px;border-left:0;border-top:2px solid #333399;background:#fafaff;max-width:none;text-align:left;font-size:16px;line-height:1.6}
/* Requirement 1 sits beside its original question, connected by a straight arrow. */
body[data-mit-exercise="true"] .socks-question-layout{display:grid;grid-template-columns:minmax(0,1fr) 40px 400px;gap:16px;align-items:center}
body[data-mit-exercise="true"] .socks-question-image{min-width:0}
body[data-mit-exercise="true"] .socks-prompt-arrow{font-size:42px;line-height:1;color:#333399;text-align:center}
body[data-mit-exercise="true"] .socks-prompt-answer{width:400px;min-width:0}
body[data-mit-exercise="true"] .socks-prompt-answer h4{font-size:18px;color:#333399;margin:0 0 20px}
body[data-mit-exercise="true"] .socks-prompt-answer .chief-calculation+.chief-calculation{margin-top:25px}
@media  print{body[data-mit-exercise="true"] .socks-question-layout{display:block}
body[data-mit-exercise="true"] .socks-prompt-arrow{display:none}
body[data-mit-exercise="true"] .socks-prompt-answer{width:auto;break-inside:avoid;margin:20px 0}
body[data-mit-exercise="true"] .socks-prompt-answer .chief-calculation+.chief-calculation{margin-top:12px}}
/* Start with the shared statement, then apply its quantity formula to each question. */
body[data-mit-exercise="true"] .socks-general{width:1420px}
body[data-mit-exercise="true"] .socks-model{width:1200px;margin:0 auto;border-collapse:collapse;table-layout:fixed;font-family:Calibri,Arial,sans-serif;color:#111;font-size:18px;line-height:1.4}
body[data-mit-exercise="true"] .socks-model caption{font-weight:700;font-size:22px;text-align:left;padding:0 0 16px}
body[data-mit-exercise="true"] .socks-model th,body[data-mit-exercise="true"] .socks-model td{padding:6px 18px;border:1px solid #b6b6b6;height:auto;box-sizing:border-box;background:white;text-align:left}
body[data-mit-exercise="true"] .socks-model th:first-child{width:300px}
body[data-mit-exercise="true"] .socks-model thead th{background:#e9e9f5;font-weight:700}
body[data-mit-exercise="true"] .socks-model tbody th{font-weight:400}
body[data-mit-exercise="true"] .socks-model td{white-space:nowrap}
body[data-mit-exercise="true"] .socks-model-subtotal th,body[data-mit-exercise="true"] .socks-model-income th{font-weight:700!important}
body[data-mit-exercise="true"] .socks-model-subtotal td{border-top:2px solid #777}
body[data-mit-exercise="true"] .socks-model-income th,body[data-mit-exercise="true"] .socks-model-income td{background:#fafaff;border-top:2px solid #222;border-bottom:4px double #222}
body[data-mit-exercise="true"] .socks-model-arrow{height:48px;display:flex;justify-content:center;align-items:center;color:#333399;font-size:34px;line-height:1}
body[data-mit-exercise="true"] .socks-required-formula{display:flex;align-items:center;justify-content:center;gap:32px;padding:10px 20px 14px;color:#111}
body[data-mit-exercise="true"] .socks-required-formula>strong{font-size:23px;color:#333399}
body[data-mit-exercise="true"] .socks-required-formula>span[aria-hidden]{font-size:34px;color:#333399}
body[data-mit-exercise="true"] .socks-required-formula .katex{font-size:1.35em}
body[data-mit-exercise="true"] .socks-case-arrows{display:grid;grid-template-columns:repeat(3,1fr);margin-left:310px;height:48px;align-items:center;text-align:center;font-size:30px;line-height:1;color:#333399}
body[data-mit-exercise="true"] .socks-cases .socks-final td{height:auto}
body[data-mit-exercise="true"] .socks-cases .socks-single-arrow{grid-template-columns:1fr}
body[data-mit-exercise="true"] .socks-break-even-revenue{padding:13px 18px 16px;border-top:2px solid #333399;font-size:16px;line-height:1.6;text-align:left}
body[data-mit-exercise="true"] .socks-break-even-revenue>b{display:block;color:#333399;margin-bottom:5px}
body[data-mit-exercise="true"] .socks-cases .socks-difference-row .socks-difference{margin-bottom:0}
@media  print{body[data-mit-exercise="true"] .socks-general{width:1420px;zoom:.67}
body[data-mit-exercise="true"] .socks-model{width:1200px}
body[data-mit-exercise="true"] .socks-cases{width:1420px}
body[data-mit-exercise="true"] .socks-cases col.socks-label-column{width:310px}
body[data-mit-exercise="true"] .socks-model,body[data-mit-exercise="true"] .socks-required-formula,body[data-mit-exercise="true"] .socks-cases{break-inside:avoid}
body[data-mit-exercise="true"] .socks-required-formula .katex{font-size:1.1em}}
/* The equivalent sales quantity sits to the right of the operating income row. */
body[data-mit-exercise="true"] .socks-general{width:1540px}
body[data-mit-exercise="true"] .socks-general-layout{display:grid;grid-template-columns:900px 40px 550px;gap:25px;align-items:end}
body[data-mit-exercise="true"] .socks-general-layout .socks-model{width:900px;margin:0;font-size:16px}
body[data-mit-exercise="true"] .socks-general-layout .socks-model th:first-child{width:220px}
body[data-mit-exercise="true"] .socks-general-layout .socks-model th,body[data-mit-exercise="true"] .socks-general-layout .socks-model td{padding:6px 14px}
body[data-mit-exercise="true"] .socks-general-layout .socks-model-arrow{height:34px;font-size:34px;line-height:1;margin-bottom:12px}
body[data-mit-exercise="true"] .socks-general-layout .socks-required-formula{display:block;padding:0;margin:0;color:#111}
body[data-mit-exercise="true"] .socks-general-layout .socks-required-formula>strong{display:block;font-size:22px;line-height:1.4;white-space:nowrap;margin-bottom:12px;color:#333399}
body[data-mit-exercise="true"] .socks-formula-equality{display:flex;align-items:center;gap:18px;min-height:58px}
body[data-mit-exercise="true"] .socks-formula-equality>span[aria-hidden]{font-size:26px;line-height:1}
body[data-mit-exercise="true"] .socks-formula-equality .latex-display{overflow:visible;padding:0}
body[data-mit-exercise="true"] .socks-formula-equality .katex-display{margin:0}
body[data-mit-exercise="true"] .socks-general .socks-case-arrows{width:1110px;margin-left:370px}
body[data-mit-exercise="true"] .socks-general .socks-cases{margin:96px 0 0}
@media  print{body[data-mit-exercise="true"] .socks-general{width:1540px;zoom:.62}
body[data-mit-exercise="true"] .socks-general-layout{break-inside:avoid}
body[data-mit-exercise="true"] .socks-formula-equality .katex{font-size:1.25em}}
/* Keep the answer notes in place without arrows or the green rule. */
body[data-mit-exercise="true"] .socks-cases .socks-break-even-revenue,body[data-mit-exercise="true"] .socks-cases .socks-difference-row .socks-difference{border-top:0;margin-top:36px;padding-top:15px}
/* Attach the volume comparison only to the new-cost column. */
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body[data-mit-exercise="true"] .socks-cases .socks-difference-row .socks-difference{margin-top:0}
/* Set both sides of the equation in the same LaTeX typeface and on one line. */
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body[data-mit-exercise="true"] .socks-general-layout{grid-template-columns:900px 40px 620px}
body[data-mit-exercise="true"] .socks-general-layout .socks-required-formula{display:flex;align-items:center;min-height:58px}
body[data-mit-exercise="true"] .socks-required-formula .latex-display{padding:0;overflow:visible}
body[data-mit-exercise="true"] .socks-required-formula .katex-display{margin:0}
body[data-mit-exercise="true"] .socks-required-formula .katex{font-size:1.3em}
@media  print{body[data-mit-exercise="true"] .socks-general{width:1610px;zoom:.59}}
/* Question 1 feeds the unit margin row from the left of the scenario table. */
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body[data-mit-exercise="true"] .socks-general .socks-cases-layout .socks-cases{width:1280px;margin:0}
body[data-mit-exercise="true"] .socks-cases-layout .socks-cases col.socks-label-column{width:240px}
body[data-mit-exercise="true"] .socks-contribution-aside{padding-top:198px}
body[data-mit-exercise="true"] .socks-contribution-aside .socks-prompt-answer{width:300px;position:relative}
body[data-mit-exercise="true"] .socks-contribution-aside .socks-prompt-answer h4{position:absolute;bottom:100%;left:0;margin:0 0 12px}
body[data-mit-exercise="true"] .socks-contribution-aside .chief-calculation>strong{font-size:16px;white-space:nowrap}
body[data-mit-exercise="true"] .socks-contribution-aside .chief-calculation{padding-left:12px}
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body[data-mit-exercise="true"] .socks-contribution-aside .socks-prompt-answer{margin:0}
body[data-mit-exercise="true"] .socks-contribution-aside .socks-prompt-answer .chief-calculation+.chief-calculation{margin-top:25px}}
body[data-mit-exercise="true"] .socks-cases-layout .socks-cases tr:not(.socks-difference-row)>td{padding-left:10px;padding-right:10px}
/* Keep the complete worksheet visible at its default 58% scale. */
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body[data-mit-exercise="true"] .socks-general-layout{grid-template-columns:850px 40px 600px}
body[data-mit-exercise="true"] .socks-general-layout .socks-model{width:850px}
body[data-mit-exercise="true"] .socks-required-formula .katex{font-size:1.29em}
body[data-mit-exercise="true"] .socks-cases-layout{grid-template-columns:270px 1240px}
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body[data-mit-exercise="true"] .socks-contribution-aside .socks-prompt-answer{width:270px}
body[data-mit-exercise="true"] .socks-contribution-aside .chief-calculation>strong{font-size:15px}
@media  print{body[data-mit-exercise="true"] .socks-general{width:1540px;zoom:.62}}
/* The unit margin is calculated in its cell; the ratio is derived beside the row. */
body[data-mit-exercise="true"] .socks-cases-layout{position:relative}
body[data-mit-exercise="true"] .socks-ratio-arrow{position:absolute;left:270px;top:214px;width:30px;height:34px;display:flex;align-items:center;justify-content:center;font-size:29px;line-height:1;color:#333399}
/* Number the first answer consistently and connect the break-even revenue to its volume. */
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body[data-mit-exercise="true"] .socks-contribution-aside .chief-calculation>strong{font-size:16px}
body[data-mit-exercise="true"] .socks-revenue-arrow{height:36px;display:flex;align-items:center;justify-content:center;color:#333399;font-size:28px;line-height:1}
body[data-mit-exercise="true"] .socks-cases .socks-break-even-revenue{margin-top:0}
/* Bring the ratio up to the row equation and close to its connecting arrow. */
body[data-mit-exercise="true"] .socks-contribution-aside{padding-top:191.5px}
body[data-mit-exercise="true"] .socks-contribution-aside .chief-calculation{padding-right:10px;text-align:right}
/* Toyz: product margins feed a sales bundle, then the quantities in each scenario. */
body[data-mit-exercise="true"] .toyz-workbench{position:relative;width:1540px;max-width:none;color:#111}
body[data-mit-exercise="true"] .toyz-sheet{width:1000px;border-collapse:collapse;table-layout:fixed;font-family:Calibri,Arial,sans-serif;color:#111;line-height:1.45}
body[data-mit-exercise="true"] .toyz-sheet th,body[data-mit-exercise="true"] .toyz-sheet td{height:auto;padding:6px 12px;border:1px solid #b6b6b6;background:#fff;box-sizing:border-box;vertical-align:middle}
body[data-mit-exercise="true"] .toyz-sheet thead th{height:auto;background:#e9e9f5;text-align:center;font-size:19px;font-weight:700}
body[data-mit-exercise="true"] .toyz-sheet thead th:first-child{text-align:left}
body[data-mit-exercise="true"] .toyz-sheet tbody th{text-align:left;font-size:18px;white-space:normal;font-weight:400}
body[data-mit-exercise="true"] .toyz-sheet td{text-align:right;font-size:19px;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .toyz-equation{display:block;white-space:nowrap;font-size:18px;line-height:1.6}
body[data-mit-exercise="true"] .toyz-sheet .toyz-section th{height:auto;background:#fafaff;font-size:18px;font-weight:700}
body[data-mit-exercise="true"] .toyz-sheet .toyz-subtotal th{font-weight:700}
body[data-mit-exercise="true"] .toyz-sheet .toyz-subtotal td{border-top:2px solid #777}
body[data-mit-exercise="true"] .toyz-sheet [data-toyz-bundle="margin"] th,body[data-mit-exercise="true"] .toyz-sheet [data-toyz-bundle="margin"] td{font-weight:700;background:#e9e9f5;border-bottom:3px double #333399}
body[data-mit-exercise="true"] .toyz-case-layout{margin-top:80px}
body[data-mit-exercise="true"] .toyz-sheet .toyz-answer th{font-weight:700}
body[data-mit-exercise="true"] .toyz-sheet .toyz-answer td{background:#fafaff}
body[data-mit-exercise="true"] .toyz-formula{position:absolute;left:1044px;top:775px;width:496px;margin:0;padding:0;color:#111}
body[data-mit-exercise="true"] .toyz-formula .latex-display{padding:0;overflow:visible}
body[data-mit-exercise="true"] .toyz-formula .katex-display{margin:0}
body[data-mit-exercise="true"] .toyz-formula .katex{font-size:1.12em}
body[data-mit-exercise="true"] .toyz-links{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
body[data-mit-exercise="true"] .toyz-workbench .working-given{color:#333399}
body[data-mit-exercise="true"] .toyz-workbench .working-result{color:#111}
@media  print{body[data-mit-exercise="true"] .toyz-workbench{zoom:.62}
body[data-mit-exercise="true"] .toyz-case-layout{break-inside:avoid}}
body[data-mit-exercise="true"] .shannon-workbench{position:relative;width:1660px;min-height:660px;max-width:none;color:#111}
body[data-mit-exercise="true"] .shannon-sheet{width:900px;border-collapse:collapse;table-layout:fixed;font-family:Calibri,Arial,sans-serif;color:#111;line-height:1.45}
body[data-mit-exercise="true"] .shannon-sheet caption{height:58px;box-sizing:border-box;text-align:left;padding:12px 0;font-size:22px;font-weight:700;white-space:nowrap}
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body[data-mit-exercise="true"] .shannon-sheet thead th{height:auto;background:#e9e9f5;font-size:19px;text-align:center}
body[data-mit-exercise="true"] .shannon-sheet thead th:first-child{text-align:left}
body[data-mit-exercise="true"] .shannon-sheet tbody th{text-align:left;font-size:20px;font-weight:400}
body[data-mit-exercise="true"] .shannon-sheet td{text-align:right;font-size:20px;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .shannon-sheet tbody td:nth-child(2){text-align:center}
body[data-mit-exercise="true"] .shannon-sheet .shannon-subtotal th,body[data-mit-exercise="true"] .shannon-sheet .shannon-final th{font-weight:700}
body[data-mit-exercise="true"] .shannon-sheet .shannon-subtotal td{border-top:2px solid #777;background:#fafaff}
body[data-mit-exercise="true"] .shannon-sheet .shannon-final td{border-top:2px solid #222;border-bottom:4px double #222}
body[data-mit-exercise="true"] .shannon-workbench .shannon-equation{display:block;white-space:nowrap;font-size:20px;line-height:1.6}
body[data-mit-exercise="true"] .shannon-sheet td:nth-child(2) .shannon-equation{font-size:18px}
body[data-mit-exercise="true"] .shannon-calculation{margin:0;padding:0;border:0;line-height:1.5}
body[data-mit-exercise="true"] .shannon-calculation>strong{display:block;font-size:22px;font-weight:700;margin-bottom:7px}
body[data-mit-exercise="true"] .shannon-safety,body[data-mit-exercise="true"] .shannon-leverage,body[data-mit-exercise="true"] .shannon-decline{position:absolute;left:970px;width:570px;padding:0;border:0;color:#111}
body[data-mit-exercise="true"] .shannon-safety{top:48px;width:690px;display:grid;grid-template-columns:320px 310px;column-gap:56px;row-gap:30px}
body[data-mit-exercise="true"] .shannon-safety [data-shannon-answer="breakEven"]{grid-column:1 / -1}
body[data-mit-exercise="true"] .shannon-leverage{top:376px;width:320px}
body[data-mit-exercise="true"] .shannon-decline{top:376px;left:1346px;width:310px}
body[data-mit-exercise="true"] .shannon-workbench .working-given{color:#333399}
body[data-mit-exercise="true"] .shannon-workbench .working-result{color:#111}
body[data-mit-exercise="true"] .shannon-links{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
@media  print{body[data-mit-exercise="true"] .shannon-workbench{zoom:.57;break-inside:avoid}}
body[data-mit-exercise="true"] .decision-workbench{color:#111;max-width:none}
body[data-mit-exercise="true"] .pricing-workbench{width:1540px}
body[data-mit-exercise="true"] .makebuy-workbench{width:1800px}
body[data-mit-exercise="true"] .gentry-workbench{width:max-content}
body[data-mit-exercise="true"] .gentry-layout{display:grid;grid-template-columns:830px max-content;column-gap:80px;align-items:start;width:max-content}
body[data-mit-exercise="true"] .gentry-sheet .decision-final td{position:relative}
body[data-mit-exercise="true"] .gentry-decision-link{position:absolute;left:calc(100% + 8px);top:50%;width:58px;border-top:2.2px solid #333399;pointer-events:none}
body[data-mit-exercise="true"] .gentry-decision-link:after{content:"";position:absolute;right:-1px;top:-5.5px;border-left:9px solid #333399;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent}
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body[data-mit-exercise="true"] .gentry-question-image{position:relative;min-width:0}
body[data-mit-exercise="true"] .gentry-question-image .prompt-figure{margin:0!important;max-width:none}
body[data-mit-exercise="true"] .gentry-question-image figcaption{display:none}
body[data-mit-exercise="true"] .gentry-full-cost{margin-top:calc(var(--gentry-image-width,868px) * 1017 / 1470 - 16.5px);font-size:21px;line-height:1.55;white-space:normal;color:#111}
body[data-mit-exercise="true"] .gentry-full-cost h3{margin:0 0 8px;font-size:22px;line-height:33px}
body[data-mit-exercise="true"] .gentry-full-cost .decision-equation{display:block;white-space:nowrap;font-size:20px;line-height:1.65}
body[data-mit-exercise="true"] .gentry-full-cost .working-given{color:#333399}
body[data-mit-exercise="true"] .gentry-full-cost .working-result{color:#111}
/* Start after the first line of question 2 in the original 1470 × 1198 prompt. */
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body[data-mit-exercise="true"] .gentry-considerations{margin-top:294.3px;font-size:21px;line-height:1.4;white-space:normal}
body[data-mit-exercise="true"] .gentry-choice{margin:0 0 4px}
body[data-mit-exercise="true"] .gentry-considerations .gentry-condition{margin-bottom:16px}
body[data-mit-exercise="true"] .gentry-considerations h4{margin:0 0 7px;font-size:22px;font-weight:400}
body[data-mit-exercise="true"] .gentry-full-cost ul,body[data-mit-exercise="true"] .gentry-considerations ul{margin:0;padding-left:25px}
body[data-mit-exercise="true"] .gentry-full-cost li,body[data-mit-exercise="true"] .gentry-considerations li{margin:2px 0;line-height:1.25;font-weight:400}
body[data-mit-exercise="true"] .gentry-full-cost li b,body[data-mit-exercise="true"] .gentry-considerations li b{font-weight:400}
body[data-mit-exercise="true"] .gentry-considerations li{white-space:nowrap}
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body[data-mit-exercise="true"] .gentry-question-image .prompt-image{max-height:none}
body[data-mit-exercise="true"] .gentry-full-cost{print-color-adjust:exact;-webkit-print-color-adjust:exact}
body[data-mit-exercise="true"] .decision-workbench.gentry-workbench{zoom:.52}}
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body[data-mit-exercise="true"] .decision-sheet thead th{background:#e9e9f5;font-size:22px;text-align:center;font-weight:700;height:auto}
body[data-mit-exercise="true"] .decision-sheet thead th:first-child{text-align:left}
body[data-mit-exercise="true"] .decision-sheet thead th span{display:block;font-size:18px;font-weight:400;margin-top:6px}
body[data-mit-exercise="true"] .decision-sheet tbody th{text-align:left;font-size:20px;font-weight:400}
body[data-mit-exercise="true"] .decision-sheet td{text-align:right;font-size:20px;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .decision-workbench .decision-equation{display:block;white-space:nowrap;font-size:20px;line-height:1.65}
body[data-mit-exercise="true"] .makebuy-workbench .decision-equation{font-size:20px}
body[data-mit-exercise="true"] .decision-sheet .decision-changed{background:#fafaff}
body[data-mit-exercise="true"] .decision-sheet .decision-subtotal th,body[data-mit-exercise="true"] .decision-sheet .decision-final th,body[data-mit-exercise="true"] .decision-sheet .decision-threshold th{font-weight:700}
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body[data-mit-exercise="true"] .decision-sheet .decision-section th{height:auto;background:#fafaff;font-size:19px;font-weight:700}
body[data-mit-exercise="true"] .decision-choice{display:block;margin-top:8px;font-size:21px}
body[data-mit-exercise="true"] .decision-cell-note{display:block;font-size:17px;white-space:normal;margin-top:8px}
body[data-mit-exercise="true"] .decision-answer{margin:0 0 28px;font-size:22px;white-space:normal;line-height:1.6}
body[data-mit-exercise="true"] .decision-preparation{margin:0 0 32px;font-size:21px;line-height:1.6}
body[data-mit-exercise="true"] .decision-preparation>strong{display:block;font-size:21px;margin-bottom:7px}
body[data-mit-exercise="true"] .decision-assumptions{font-size:19px;line-height:1.6;margin:24px 0 26px;white-space:normal}
body[data-mit-exercise="true"] .decision-workbench .working-given{color:#333399}
body[data-mit-exercise="true"] .decision-workbench .working-result{color:#111}
@media  print{body[data-mit-exercise="true"] .decision-workbench{zoom:.57;break-inside:avoid}
body[data-mit-exercise="true"] .pricing-workbench{zoom:.61}}
body[data-mit-exercise="true"] .pricing-question-layout{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 550px;column-gap:40px}
body[data-mit-exercise="true"] .pricing-question-image{position:relative;min-width:0}
body[data-mit-exercise="true"] .pricing-question-image .prompt-figure{margin:0!important;max-width:none}
body[data-mit-exercise="true"] .pricing-question-image figcaption{display:none}
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body[data-mit-exercise="true"] .pricing-prompt-answer>p{margin:8px 0 0;white-space:normal}
/* Anchor to the end of requirement 1 in the original 1470 × 1287 prompt. */
body[data-mit-exercise="true"] .pricing-question-connector{position:absolute;left:80.6122%;right:-26px;top:63.9472%;border-top:2.2px solid #333399;pointer-events:none}
body[data-mit-exercise="true"] .pricing-question-connector:after{content:"";position:absolute;right:-1px;top:-5.5px;border-left:9px solid #333399;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent}
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body[data-mit-exercise="true"] .pricing-question-image .prompt-image{max-height:none}
body[data-mit-exercise="true"] .pricing-prompt-answer{print-color-adjust:exact;-webkit-print-color-adjust:exact}}
/* Eagle Products: compare the reported loss with fixed costs that remain. */
body[data-mit-exercise="true"] .eagle-workbench{width:1760px}
body[data-mit-exercise="true"] .eagle-layout{display:grid;grid-template-columns:1100px 580px;column-gap:80px;align-items:start}
body[data-mit-exercise="true"] .eagle-sheet [data-eagle-row="drop"] td{position:relative}
body[data-mit-exercise="true"] .eagle-sheet tbody th{white-space:nowrap}
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body[data-mit-exercise="true"] .eagle-decision-link:after{content:"";position:absolute;right:-1px;top:-5.5px;border-left:9px solid #333399;border-top:4.5px solid transparent;border-bottom:4.5px solid transparent}
body[data-mit-exercise="true"] .eagle-decision{margin-top:162.3px;font-size:21px;line-height:1.4;white-space:normal;color:#111}
body[data-mit-exercise="true"] .eagle-choice{margin:0 0 6px}
body[data-mit-exercise="true"] .eagle-decision ul{margin:0;padding-left:25px}
body[data-mit-exercise="true"] .eagle-decision li{margin:2px 0;line-height:1.25;font-weight:400}
@media  print{body[data-mit-exercise="true"] .decision-workbench.eagle-workbench{zoom:.52}}
body[data-mit-exercise="true"] .eagle-composition{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 40px;width:1100px;margin:0 0 36px;padding:0;color:#333399;font-family:Inter,Arial,sans-serif;font-size:21px;line-height:1.35;white-space:normal}
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body[data-mit-exercise="true"] .eagle-composition-item h3{display:flex;justify-content:space-between;gap:20px}
body[data-mit-exercise="true"] .eagle-composition-item+.eagle-composition-item{margin-top:0}
body[data-mit-exercise="true"] .eagle-cost-bar{display:grid;width:100%}
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body[data-mit-exercise="true"] .eagle-composition .working-given{color:#333399}
body[data-mit-exercise="true"] .eagle-composition .working-result{color:#333399}
body[data-mit-exercise="true"] .eagle-fixed-summary{grid-column:1 / -1;margin-top:0;display:flex;align-items:baseline;gap:16px;white-space:nowrap}
body[data-mit-exercise="true"] .eagle-fixed-summary h3{margin:0;flex:none}
body[data-mit-exercise="true"] .eagle-fixed-summary .decision-equation{font-size:20px;white-space:nowrap;line-height:1.6}
@media  print{body[data-mit-exercise="true"] .eagle-cost-bar>div{print-color-adjust:exact;-webkit-print-color-adjust:exact}}
/* Annotations scale with the original prompt, including its enlarged view. */
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body[data-mit-exercise="true"] .prompt-annotations{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
body[data-mit-exercise="true"] .prompt-viewport.native-size .prompt-image-frame{width:var(--image-width);margin:0 auto}
/* ExcerTreads: one Deluxe and two Regular units use the same machine capacity. */
body[data-mit-exercise="true"] .excertreads-workbench{width:1860px}
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body[data-mit-exercise="true"] .excertreads-sheet tbody th{white-space:nowrap}
body[data-mit-exercise="true"] .excertreads-sheet [data-excertreads-row="comparison"] td,body[data-mit-exercise="true"] .excertreads-sheet [data-excertreads-row="margin"] td{position:relative}
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body[data-mit-exercise="true"] .excertreads-choice{position:absolute;left:1050px;top:227px;font-size:22px;line-height:33px;white-space:nowrap}
body[data-mit-exercise="true"] .excertreads-decision-link,body[data-mit-exercise="true"] .excertreads-explanation-link{position:absolute;left:calc(100% + 8px);top:50%;width:58px;border-top:2.2px solid #333399;pointer-events:none}
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@media  print{body[data-mit-exercise="true"] .decision-workbench.excertreads-workbench{zoom:.55}}
/* TechSystems: the three independent conditions share one MAKE / BUY comparison. */
body[data-mit-exercise="true"] .techsystems-sheet{width:1680px}
body[data-mit-exercise="true"] .techsystems-maximum h3{margin:0;font-size:22px;line-height:1.4}
body[data-mit-exercise="true"] .techsystems-sheet th,body[data-mit-exercise="true"] .techsystems-sheet td{height:auto}
body[data-mit-exercise="true"] .techsystems-sheet thead th,body[data-mit-exercise="true"] .techsystems-sheet thead th:first-child{text-align:center}
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body[data-mit-exercise="true"] .techsystems-sheet tr > .techsystems-label-spacer{border:0;background:transparent}
body[data-mit-exercise="true"] .techsystems-sheet .decision-final td{text-align:center;position:relative}
body[data-mit-exercise="true"] .techsystems-maximum-link{position:absolute;left:50%;top:calc(100% + 8px);height:34px;border-left:2.2px solid #333399;pointer-events:none}
body[data-mit-exercise="true"] .techsystems-maximum-link:after{content:"";position:absolute;left:-5.6px;bottom:-1px;border-top:9px solid #333399;border-left:4.5px solid transparent;border-right:4.5px solid transparent}
body[data-mit-exercise="true"] .techsystems-maximum{margin:54px 0 0 751px;width:max-content;display:flex;align-items:baseline;gap:16px;white-space:nowrap}
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body[data-mit-exercise="true"] .techsystems-maximum p{margin:0;font-size:19px;line-height:1.3;font-weight:400;white-space:nowrap}
@media  print{body[data-mit-exercise="true"] .decision-workbench.makebuy-workbench{zoom:.51}}
body[data-mit-exercise="true"] .techsystems-decision{display:flex;align-items:baseline;justify-content:center;gap:10px;white-space:nowrap}
body[data-mit-exercise="true"] .techsystems-comparison-sign{font-size:24px;font-weight:700;line-height:1}
body[data-mit-exercise="true"] .techsystems-choice-arrow{font-size:22px}
body[data-mit-exercise="true"] .techsystems-excluded-cost{display:inline-block;position:relative;white-space:nowrap}
body[data-mit-exercise="true"] .techsystems-excluded-cost svg{position:absolute;left:-2px;top:50%;width:calc(100% + 4px);height:1.3em;transform:translateY(-50%);overflow:visible;pointer-events:none}
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/* Session 1 textual answers follow the question order in a single readable list. */
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body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-part.no-label{display:block}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-part:last-child{margin-bottom:0}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-copy,body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-label,body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .working-calculation{font-family:inherit;font-size:21px;line-height:1.25}
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body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-part.answer-group{display:block;margin-bottom:32px}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-group>.answer-label{display:block;margin-bottom:12px}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node:has(.answer-nowrap){min-width:min-content}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-nowrap{grid-template-columns:max-content max-content}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-nowrap .working-line{white-space:nowrap}
/* Related source appendices share a row while retaining their original images. */
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body[data-mit-exercise="true"] .prompt-image-row>.prompt-figure{flex:1;min-width:0;margin:0}
body[data-mit-exercise="true"] .working-canvas-prompt .prompt-image-row>.prompt-figure{width:0;margin:0}
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body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .answer-prompt-figure .prompt-image{width:100%;height:auto;max-height:none}
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body[data-mit-exercise="true"] .prompt-crop>.prompt-image{position:absolute;max-width:none!important;max-height:none!important;height:auto!important;margin:0}
/* Six theory exercises share one continuous sheet and one zoom control. */
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@media  print{body[data-mit-exercise="true"] .session-one-print .working-exercise-pair{display:grid;grid-template-columns:46% 1fr;column-gap:5%;margin:0 0 36px;break-inside:avoid}
body[data-mit-exercise="true"] .session-one-print .qualitative-answers,body[data-mit-exercise="true"] .session-one-print .answer-copy,body[data-mit-exercise="true"] .session-one-print .working-calculation{font-size:12px;line-height:1.3}
body[data-mit-exercise="true"] .session-one-print .answer-part{display:grid;grid-template-columns:max-content 1fr;gap:8px;margin:0 0 9px}
body[data-mit-exercise="true"] .session-one-print .answer-copy p{margin:0}}
/* Compact transcriptions keep every question while removing writing lines. */
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body[data-mit-exercise="true"] .compact-prompt-heading-plain{border:0;padding:0}
body[data-mit-exercise="true"] .compact-prompt-section>p{margin:12px 6px 8px}
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body[data-mit-exercise="true"] .compact-prompt-section>ol>li:last-child{margin-bottom:0}
/* Completed statements remain single lines, with red answers in black sentences. */
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body[data-mit-exercise="true"] .prompt-fill-line:last-child{margin-bottom:0}
body[data-mit-exercise="true"] .prompt-fill-sentence{white-space:nowrap}
body[data-mit-exercise="true"] .prompt-fill-answer{color:#e33b36;font-weight:400}
/* The FreshFusion introduction is readable, selectable text. */
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body[data-mit-exercise="true"] .prompt-introduction h3{margin:0 0 12px;font-family:inherit;font-size:inherit;line-height:1.3;font-weight:700;letter-spacing:normal}
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body[data-mit-exercise="true"] .prompt-introduction-callout{margin-top:22px}
body[data-mit-exercise="true"] .prompt-introduction-callout h3{font-size:inherit}
body[data-mit-exercise="true"] .prompt-introduction-callout p{margin:0;font-size:inherit;line-height:inherit}
/* Screenshot text uses one body-glyph scale, independent of source dimensions. */
body[data-mit-exercise="true"] .prompt-figure[data-text-normalized],body[data-mit-exercise="true"] .answer-prompt-figure[data-text-normalized]{max-width:none!important}
body[data-mit-exercise="true"] [data-text-normalized] .prompt-image{max-height:none!important}
body[data-mit-exercise="true"] .prompt-replacement-heading{display:block;text-align:left;font-family:Arial,sans-serif;font-size:calc(35px * var(--prompt-pixel-scale,1));line-height:1.25;font-weight:400;color:#111;margin:0 0 calc(12px * var(--prompt-pixel-scale,1));padding-left:calc(32px * var(--prompt-pixel-scale,1))}
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/* Keep FreshFusion Part 3 questions beside their response on the same sheet. */
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body[data-mit-exercise="true"] .answer-response-side{min-width:0}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .answer-response-side>.answer-label{display:block;margin:0 0 12px}
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/* Exercise responses share the font and apparent body-text size of their prompts. */
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body[data-mit-exercise="true"] .working-flow .working-canvas-node .katex{font-size:1em}
body[data-mit-exercise="true"] .example-content>:is(.table-wrap,.exercise-decision,.exercise-notes),body[data-mit-exercise="true"] .lesson-example-solution>:is(.table-wrap,.exercise-decision,.exercise-notes),body[data-mit-exercise="true"] .garnier-part>:is(.table-wrap,.exercise-decision,.exercise-notes){font-family:"AMG Exercise Calibri",Calibri,Arial,sans-serif;font-size:var(--exercise-answer-screen-size,9.36px)}
body[data-mit-exercise="true"] :is(.example-content,.lesson-example-solution,.garnier-part)>:is(.table-wrap,.exercise-decision,.exercise-notes) :is(p,li,td,th,caption,h3,span,b,strong,mark){font-family:"AMG Exercise Calibri",Calibri,Arial,sans-serif!important;font-size:var(--exercise-answer-screen-size,9.36px)!important;line-height:1.3!important}
@media  print{body[data-mit-exercise="true"] .working-flow{--exercise-answer-size:11px!important}
body[data-mit-exercise="true"] .working-flow :is(.qualitative-answers,.numbered-answers,.solution-steps){--exercise-answer-size:11px}}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-wide.answer-fill-right{padding-right:24px}
/* Browse source appendices one document at a time. */
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body[data-mit-exercise="true"] .appendix-slideshow-controls{display:flex;justify-content:center;align-items:center;gap:16px;margin-bottom:18px;font:16px/1.3 var(--exercise-answer-font)}
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body[data-mit-exercise="true"] .appendix-slide[hidden]{display:none!important}
body[data-mit-exercise="true"] .appendix-slide .prompt-figure{margin:0!important}
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body[data-mit-exercise="true"] .reflection-answer p{margin:0}
/* Reuse the role names in the original image, with straight links to the answers. */
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body[data-mit-exercise="true"] .role-answer-column{position:relative;align-self:stretch}
body[data-mit-exercise="true"] .role-answer{position:absolute;left:0;width:100%}
body[data-mit-exercise="true"] .role-recommendation{position:absolute;left:0;width:max-content;max-width:none;margin:0;white-space:nowrap}
body[data-mit-exercise="true"] .role-answer-arrows{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:3}
/* FreshFusion: whitespace separates the compact role and question rows. */
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body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .freshfusion-designed-section .answer-prompt-figure{width:auto;max-width:none;margin:0}
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body[data-mit-exercise="true"] .workshop-role-head{padding:0 0 10px;color:#111}
body[data-mit-exercise="true"] .workshop-role-row{min-height:36px;padding:8px 0}
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body[data-mit-exercise="true"] .workshop-recommendation{margin:24px 0 0;padding:0;white-space:nowrap}
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body[data-mit-exercise="true"] .reflection-question-link{display:contents}
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body[data-mit-exercise="true"] .definition-pair p{margin:0}
body[data-mit-exercise="true"] .appendix-slide-track{overflow:hidden}
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body[data-mit-exercise="true"] .information-cards-introduction h2{font:700 calc(var(--exercise-answer-size) * .9428125)/1.25 Arial,sans-serif;margin:0 0 12px}
body[data-mit-exercise="true"] .information-cards-introduction p{font-family:"AMG Exercise Calibri",Calibri,Arial,sans-serif;font-size:var(--exercise-answer-size);line-height:1.3;margin:0}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-part.information-cards-sheet{display:grid;grid-template-columns:max-content 36px minmax(0,1fr);gap:0 20px;align-items:center}
body[data-mit-exercise="true"] .information-card-row,body[data-mit-exercise="true"] .information-card-question-link{display:contents}
body[data-mit-exercise="true"] .information-card-question{display:grid;grid-template-columns:28px max-content;gap:10px;padding:8px 0}
body[data-mit-exercise="true"] .information-card-answer{padding:8px 0}
body[data-mit-exercise="true"] .information-card-group{grid-column:1/-1;padding:20px 0 8px;font-weight:700}
body[data-mit-exercise="true"] .information-card-arrow{position:relative;display:block;width:36px;height:16px}
body[data-mit-exercise="true"] .information-card-arrow:before{content:"";position:absolute;left:0;right:7px;top:7px;border-top:1.6px solid #333399}
body[data-mit-exercise="true"] .information-card-arrow:after{content:"";position:absolute;right:0;top:3px;border-left:8px solid #333399;border-top:4px solid transparent;border-bottom:4px solid transparent}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .working-canvas-node .answer-part.embedded-card-exercise{display:block;margin:32px 0 42px}
body[data-mit-exercise="true"] .working-flow[data-answer-layout="vertical"] .embedded-card-exercise>.information-cards-introduction{width:auto;max-width:none;margin:0 0 20px}
/* Native questions use the same embedded font and body size as the solutions. */
body[data-mit-exercise="true"] .working-flow :is(.answer-prompt-figure,.prompt-introduction,.prompt-fill-lines,.prompt-replacement-title,.prompt-replacement-heading),body[data-mit-exercise="true"] .working-flow :is(.answer-prompt-figure,.prompt-introduction,.prompt-fill-lines,.prompt-replacement-title,.prompt-replacement-heading) :is(p,li,ul,ol,th,td,caption,h2,h3,h4,h5,span,strong,b,em,mark,small,a,div,section,aside):not(.katex):not(.katex *){font-family:var(--exercise-answer-font)!important;font-size:var(--exercise-answer-size)!important;line-height:1.3!important;letter-spacing:normal!important}
body[data-mit-exercise="true"] .exercise-reference-tables,body[data-mit-exercise="true"] .exercise-reference-tables :is(p,li,td,th,caption,h2,h3,span,b,strong,mark,small,button,a,div,section):not(.katex):not(.katex *){font-family:"AMG Exercise Calibri",Calibri,Arial,sans-serif!important}
/* The ledger supplies each item name; side calculations sit directly by their arrows. */
body[data-mit-exercise="true"] :is(.chief-side-calculations,.turtles-side,.golden-side) .chief-calculation{border-left:0;padding-left:0}
body[data-mit-exercise="true"] :is(.chief-method-left,.turtles-side-left,.golden-side-left) .chief-calculation-slot{justify-content:flex-end;padding-right:44px}
body[data-mit-exercise="true"] :is(.chief-method-right,.turtles-side-right,.golden-side-right) .chief-calculation-slot{padding-left:44px}
/* Read the original question first, then compare current and forecast costs. */
body[data-mit-exercise="true"] .soda-comparison{width:max-content;min-width:1520px}
body[data-mit-exercise="true"] .soda-sheet{width:1520px;border-collapse:collapse;table-layout:fixed;color:#111;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .soda-sheet th,body[data-mit-exercise="true"] .soda-sheet td{padding:6px 20px;border:1px solid #b6b6b6;text-align:left;vertical-align:middle;white-space:nowrap}
body[data-mit-exercise="true"] .soda-sheet thead th{background:#e9e9f5;font-weight:700}
body[data-mit-exercise="true"] .soda-sheet thead th>span{display:block;margin-top:4px;font-weight:400}
body[data-mit-exercise="true"] .soda-sheet tbody th{background:#fafaff;font-weight:400}
body[data-mit-exercise="true"] .soda-sheet td{height:auto}
body[data-mit-exercise="true"] .soda-question{display:inline-block;min-width:30px;margin-right:8px}
body[data-mit-exercise="true"] .soda-equation{white-space:nowrap}
body[data-mit-exercise="true"] .soda-capacity-note{margin:28px 0 0;width:max-content;max-width:none;white-space:nowrap}
@media  print{body[data-mit-exercise="true"] .chief-method{gap:22px}
body[data-mit-exercise="true"] .soda-comparison,body[data-mit-exercise="true"] .soda-sheet{width:100%}
body[data-mit-exercise="true"] .soda-sheet th,body[data-mit-exercise="true"] .soda-sheet td{white-space:normal;padding:6px 8px}
body[data-mit-exercise="true"] .soda-sheet col{width:auto!important}}
/* The seventh answer starts beside its question, in the blank end of the prompt. */
body[data-mit-exercise="true"] .soda-question-layout{display:grid;grid-template-columns:calc(var(--soda-image-width,852px) * 1100 / 1470) max-content;align-items:start;width:max-content}
body[data-mit-exercise="true"] .soda-question-image{position:relative;grid-column:1/-1;grid-row:1;width:var(--soda-image-width,852px)}
body[data-mit-exercise="true"] .soda-question-image .prompt-figure{margin:0!important;max-width:none}
body[data-mit-exercise="true"] .soda-question-image figcaption{display:none}
body[data-mit-exercise="true"] .soda-prompt-answer{grid-column:2;grid-row:1;position:relative;width:max-content;white-space:nowrap;margin-top:calc(var(--soda-image-width,852px) * 503 / 1470);color:#111}
body[data-mit-exercise="true"] .soda-prompt-answer,body[data-mit-exercise="true"] .soda-prompt-answer :is(p,mark,span,b,strong){font-family:var(--exercise-answer-font)!important;font-size:var(--exercise-answer-size)!important;line-height:1.3!important;letter-spacing:normal!important}
body[data-mit-exercise="true"] .soda-prompt-answer p{margin:0 0 6px}
body[data-mit-exercise="true"] .soda-prompt-answer p:last-child{margin-bottom:0}
body[data-mit-exercise="true"] .soda-question-connector{position:absolute;left:65.9864%;right:calc(25.1701% + 12px);top:93.1655%;border-top:1.6px solid #333399;pointer-events:none}
body[data-mit-exercise="true"] .soda-question-connector:after{content:"";position:absolute;right:-1px;top:-4.8px;border-left:8px solid #333399;border-top:4px solid transparent;border-bottom:4px solid transparent}
@media  print{body[data-mit-exercise="true"] .soda-question-layout{width:1520px;zoom:.57;break-inside:avoid}}
/* Exercise algorithms: target → numbered working → highlighted answer. */
body[data-mit-exercise="true"] .algorithm-sheet{--method-accent:#333399;--method-highlight:#f2b3b0;--method-rail:#e9e9f5;background:#fff;border:1px solid #e9e9f5;border-radius:12px;padding:24px;color:#333399;overflow-wrap:anywhere;font-size:15px;line-height:1.6}
body[data-mit-exercise="true"] .method-target{border-bottom:1px solid #e9e9f5;padding-bottom:18px;margin-bottom:0}
body[data-mit-exercise="true"] .method-kicker{display:block;font-size:11px!important;line-height:1.5!important;font-weight:750;letter-spacing:1.3px;text-transform:uppercase;color:#333399;margin:0 0 9px!important}
body[data-mit-exercise="true"] .method-targets{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:baseline}
body[data-mit-exercise="true"] .method-targets mark{display:inline;font-size:16px;font-weight:700;line-height:1.65;color:#333399;background:#f2b3b0;padding:1px 6px;border-radius:3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
body[data-mit-exercise="true"] .method-data{border-bottom:1px solid #e9e9f5;margin:0 0 25px;padding:11px 0;font-size:13px;color:#333399}
body[data-mit-exercise="true"] .method-data>summary{font-size:13px;font-weight:550;cursor:pointer;padding:0;line-height:1.6;color:#333399}
body[data-mit-exercise="true"] .method-data>p{font-size:13px;line-height:1.7;margin:12px 0 9px}
body[data-mit-exercise="true"] .method-data>ul{display:flex;gap:5px 18px;flex-wrap:wrap;padding:0;margin:0;list-style:none}
body[data-mit-exercise="true"] .method-data>ul>li{font-size:12px;margin:0;padding:0}
body[data-mit-exercise="true"] .method-data>ul>li:before{content:"· ";color:#333399}
body[data-mit-exercise="true"] .algorithm-sheet .method-flow{list-style:none;margin:0;padding:0;counter-reset:none}
body[data-mit-exercise="true"] .algorithm-sheet .method-step{display:grid;grid-template-columns:32px minmax(0,1fr);gap:15px;position:relative;list-style:none;padding:0 0 28px;margin:0;isolation:isolate}
body[data-mit-exercise="true"] .algorithm-sheet .method-step:last-child{padding-bottom:0}
body[data-mit-exercise="true"] .method-step-number{display:grid;place-items:center;align-self:start;background:#333399;color:#fff;border-radius:50%;width:32px;height:32px;font-size:12px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;z-index:1}
body[data-mit-exercise="true"] .method-step:not(:last-child):before{content:"";position:absolute;left:15px;top:36px;bottom:5px;border-left:1px solid var(--method-rail);z-index:-1}
body[data-mit-exercise="true"] .method-step:not(:last-child):after{content:"";position:absolute;left:12px;bottom:5px;width:6px;height:6px;border-right:1px solid #333399;border-bottom:1px solid #333399;transform:rotate(45deg)}
body[data-mit-exercise="true"] .method-step-body{min-width:0;padding-top:3px}
body[data-mit-exercise="true"] .algorithm-sheet .method-label{font-size:14px;line-height:1.5;font-weight:750;letter-spacing:.1px;margin:0 0 10px;text-transform:none;color:#333399}
body[data-mit-exercise="true"] .method-arithmetic{font-size:15px;line-height:1.6;max-width:680px}
body[data-mit-exercise="true"] .method-operand,body[data-mit-exercise="true"] .method-calculated{display:grid;grid-template-columns:22px minmax(0,1fr);gap:8px;padding:3px 0;align-items:baseline}
body[data-mit-exercise="true"] .method-operator{font-size:17px;font-weight:600;color:#333399;text-align:center;font-variant-numeric:tabular-nums}
body[data-mit-exercise="true"] .method-calculated{margin-top:6px;padding-top:8px;border-top:1px solid #d4d4e1;font-weight:750}
body[data-mit-exercise="true"] .method-calculated mark{justify-self:start;background:#f2b3b0;color:#333399;padding:2px 7px;border-radius:3px;font-size:15px;line-height:1.6;box-decoration-break:clone;-webkit-box-decoration-break:clone}
body[data-mit-exercise="true"] .algorithm-sheet .method-note{font-size:13px!important;line-height:1.65!important;font-weight:400;color:#333399;margin:9px 0 0!important}
body[data-mit-exercise="true"] .algorithm-sheet .method-rule-text{font-size:15px;line-height:1.7;font-weight:500;margin:0;white-space:pre-line}
body[data-mit-exercise="true"] .method-conditions{display:flex;flex-direction:column;border-top:1px solid #e9e9f5}
body[data-mit-exercise="true"] .method-condition-row{display:grid;grid-template-columns:minmax(100px,.85fr) 24px minmax(0,1.4fr);align-items:baseline;gap:10px;padding:10px 0;border-bottom:1px solid #e9e9f5;font-size:14px;line-height:1.65}
body[data-mit-exercise="true"] .method-condition{font-weight:600;color:#333399}
body[data-mit-exercise="true"] .method-then{font-size:19px;color:#333399;text-align:center;font-weight:500}
body[data-mit-exercise="true"] .method-action mark{font-weight:700;color:#333399;background:linear-gradient(transparent 48%,#f2b3b0 48%);padding:0 2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
body[data-mit-exercise="true"] .method-action .method-note{margin-top:5px!important}
body[data-mit-exercise="true"] .method-paths{display:flex;flex-direction:column;gap:19px}
body[data-mit-exercise="true"] .method-path{border-left:2px solid #e9e9f5;padding:0 0 0 14px;min-width:0}
body[data-mit-exercise="true"] .algorithm-sheet .method-path-label{font-size:12px;line-height:1.6;font-weight:750;color:#333399;letter-spacing:.4px;margin:0 0 12px}
body[data-mit-exercise="true"] .algorithm-sheet .method-flow-nested>.method-step{grid-template-columns:14px minmax(0,1fr);gap:8px;padding-bottom:17px}
body[data-mit-exercise="true"] .method-flow-nested>.method-step>.method-step-number{width:14px;height:24px;line-height:1;color:#333399;font-size:16px;background:none;border-radius:0}
body[data-mit-exercise="true"] .method-flow-nested>.method-step:before,body[data-mit-exercise="true"] .method-flow-nested>.method-step:after{display:none}
body[data-mit-exercise="true"] .algorithm-sheet .method-flow-nested .method-label{font-size:13px;margin-bottom:8px}
body[data-mit-exercise="true"] .method-flow-nested .method-path{padding-left:10px}
body[data-mit-exercise="true"] .method-details .example-content{padding-top:12px}
body[data-mit-exercise="true"] .method-details .steps{padding-left:0;list-style:none}
body[data-mit-exercise="true"] .method-details .steps>li{padding-left:0;margin:0}
body[data-mit-exercise="true"] .method-details .detail-layout{grid-template-columns:minmax(0,1fr)}
body[data-mit-exercise="true"] .method-details .detail-layout>aside{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
body[data-mit-exercise="true"] .result.exercise-answer,body[data-mit-exercise="true"] .lesson .result.exercise-answer{background:#fceeed;border:1px solid #f2b3b0;border-left:4px solid #333399;border-radius:0 8px 8px 0;padding:17px 20px;margin:22px 0 0;font-size:15px;line-height:1.75;break-inside:avoid}
body[data-mit-exercise="true"] .exercise-answer .method-kicker{color:#333399}
body[data-mit-exercise="true"] .exercise-answer>p{font-size:15px;line-height:1.75;font-weight:650;color:#333399;margin:0}
/* The same visual vocabulary, kept compact in the continuous Garnier cases. */
body[data-mit-exercise="true"] .garnier-mini-algorithm{background:#fff;border:1px solid #e9e9f5;border-radius:10px;margin:20px 0 24px;padding:20px 22px;color:#333399;overflow-wrap:anywhere}
body[data-mit-exercise="true"] .garnier-mini-algorithm .method-target{padding-bottom:15px;margin-bottom:15px}
body[data-mit-exercise="true"] .garnier-mini-algorithm .method-targets mark{font-size:15px}
body[data-mit-exercise="true"] .garnier-mini-algorithm h5{font-size:11px;line-height:1.5;font-weight:700;letter-spacing:1.1px;color:#333399;margin:0 0 15px}
body[data-mit-exercise="true"] .garnier-mini-algorithm .compact-method-flow{padding:0;margin:0;list-style:none;counter-reset:compact-step}
body[data-mit-exercise="true"] .garnier-mini-algorithm .compact-method-flow>li{position:relative;counter-increment:compact-step;padding:0 0 0 37px;margin:0;font-size:15px;line-height:1.75;color:#333399}
body[data-mit-exercise="true"] .garnier-mini-algorithm .compact-method-flow>li+li{margin-top:23px}
body[data-mit-exercise="true"] .garnier-mini-algorithm .compact-method-flow>li:before{content:counter(compact-step,decimal-leading-zero);position:absolute;top:0;left:0;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#333399;color:#fff;font-size:10px;font-weight:700}
body[data-mit-exercise="true"] .garnier-mini-algorithm .compact-method-flow>li+li:after{content:"↓";position:absolute;top:-23px;left:9px;color:#333399;font-size:15px;line-height:22px}
body[data-mit-exercise="true"] .compact-method-flow mark{background:#f2b3b0;color:#333399;padding:1px 4px;border-radius:2px;font-weight:700;box-decoration-break:clone;-webkit-box-decoration-break:clone}
body[data-mit-exercise="true"] .compact-equals{color:#333399;font-weight:650}
@media (max-width:620px){body[data-mit-exercise="true"] .algorithm-sheet{padding:18px 14px;font-size:14px}
body[data-mit-exercise="true"] .method-targets{gap:7px}
body[data-mit-exercise="true"] .method-targets mark{font-size:15px}
body[data-mit-exercise="true"] .algorithm-sheet .method-step{grid-template-columns:27px minmax(0,1fr);gap:10px;padding-bottom:24px}
body[data-mit-exercise="true"] .method-step-number{width:27px;height:27px;font-size:10px}
body[data-mit-exercise="true"] .method-step:not(:last-child):before{left:13px;top:31px}
body[data-mit-exercise="true"] .method-step:not(:last-child):after{left:10px}
body[data-mit-exercise="true"] .method-arithmetic,body[data-mit-exercise="true"] .method-calculated mark,body[data-mit-exercise="true"] .algorithm-sheet .method-rule-text{font-size:14px}
body[data-mit-exercise="true"] .method-condition-row{grid-template-columns:minmax(0,1fr);gap:3px;padding:12px 0}
body[data-mit-exercise="true"] .method-then{display:none}
body[data-mit-exercise="true"] .method-action{position:relative;padding-left:23px}
body[data-mit-exercise="true"] .method-action:before{content:"↳";position:absolute;left:0;top:0;color:#333399;font-size:17px}
body[data-mit-exercise="true"] .method-path{padding-left:10px}
body[data-mit-exercise="true"] .algorithm-sheet .method-flow-nested>.method-step{gap:5px}
body[data-mit-exercise="true"] .method-details .detail-layout>aside{grid-template-columns:1fr}
body[data-mit-exercise="true"] .result.exercise-answer,body[data-mit-exercise="true"] .lesson .result.exercise-answer{padding:15px}
body[data-mit-exercise="true"] .exercise-answer>p{font-size:14px}
body[data-mit-exercise="true"] .garnier-mini-algorithm{padding:17px 14px}
body[data-mit-exercise="true"] .garnier-mini-algorithm .compact-method-flow>li{font-size:14px;padding-left:35px}}
@media  print{body[data-mit-exercise="true"] .algorithm-sheet{border:0;padding:12px 0;border-radius:0}
body[data-mit-exercise="true"] .algorithm-sheet,body[data-mit-exercise="true"] .garnier-mini-algorithm,body[data-mit-exercise="true"] .exercise-answer{-webkit-print-color-adjust:exact;print-color-adjust:exact}
body[data-mit-exercise="true"] .method-target{break-inside:avoid;break-after:avoid}
body[data-mit-exercise="true"] .method-targets mark{font-size:12px}
body[data-mit-exercise="true"] .method-data{font-size:10px;margin-bottom:18px}
body[data-mit-exercise="true"] .algorithm-sheet .method-step{padding-bottom:18px}
body[data-mit-exercise="true"] .method-arithmetic,body[data-mit-exercise="true"] .method-calculated mark,body[data-mit-exercise="true"] .algorithm-sheet .method-rule-text,body[data-mit-exercise="true"] .method-condition-row{font-size:11px}
body[data-mit-exercise="true"] .algorithm-sheet .method-label{font-size:11px}
body[data-mit-exercise="true"] .algorithm-sheet .method-note{font-size:10px!important}
body[data-mit-exercise="true"] .method-calculation,body[data-mit-exercise="true"] .method-rule,body[data-mit-exercise="true"] .method-condition-row{break-inside:avoid}
body[data-mit-exercise="true"] .method-details{display:none}
body[data-mit-exercise="true"] .garnier-mini-algorithm{break-inside:auto}
body[data-mit-exercise="true"] .garnier-mini-algorithm .compact-method-flow>li,body[data-mit-exercise="true"] .exercise-answer>p{font-size:11px;break-inside:avoid}
body[data-mit-exercise="true"] .garnier-mini-algorithm .method-targets mark{font-size:12px}}
@media  print{body[data-mit-exercise="true"] .method-data>summary{display:none}
body[data-mit-exercise="true"] .method-data>*:not(summary){display:block!important}
body[data-mit-exercise="true"] .method-data>ul{display:flex!important}}
/* Highlight the answer in its working; do not repeat it in a closing recap. */
body[data-mit-exercise="true"] .answer-highlight{background:#f2b3b0;color:#333399;padding:1px 3px;font-weight:700;border-radius:2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
body[data-mit-exercise="true"] .exercise-decision{font-size:15px;line-height:1.75;margin:17px 0 0}
@media  print{body[data-mit-exercise="true"] .answer-highlight{-webkit-print-color-adjust:exact;print-color-adjust:exact}}
body[data-mit-exercise="true"] .calculation-maps{--map-green:#e9e9f5;--map-yellow:#f2b3b0;--map-blue:#e9e9f5;--map-border:#d4d4e1;max-width:1120px;margin:0 auto}
body[data-mit-exercise="true"] .map-page-header{margin-bottom:25px}
body[data-mit-exercise="true"] .map-page-header .eyebrow{margin-bottom:10px}
body[data-mit-exercise="true"] .map-page-header h1{font-size:36px;letter-spacing:-1.2px}
body[data-mit-exercise="true"] .map-page-header>p:last-child{font-size:14px;color:#333399;margin-top:13px;max-width:700px}
body[data-mit-exercise="true"] .map-journey{display:flex;align-items:stretch;position:sticky;top:0;z-index:15;background:var(--paper);border-top:1px solid var(--map-border);border-bottom:1px solid var(--map-border);padding:10px 0;margin-bottom:30px;gap:5px}
body[data-mit-exercise="true"] .map-journey a{display:flex;flex:1;flex-direction:column;justify-content:center;gap:5px;min-width:0;padding:9px 7px;border-radius:5px;font-size:12px;line-height:1.4;text-decoration:none}
body[data-mit-exercise="true"] .map-journey small{font-size:10px;color:#333399}
body[data-mit-exercise="true"] .map-journey a[aria-current]{background:#e9e9f5;color:#333399;font-weight:700}
body[data-mit-exercise="true"] .map-journey-arrow{align-self:center;font-size:15px;color:#333399}
body[data-mit-exercise="true"] .map-mobile-journey{display:none}
body[data-mit-exercise="true"] .map-board-header{display:flex;gap:17px;align-items:flex-start;margin-bottom:22px}
body[data-mit-exercise="true"] .map-board-number{font-size:13px;background:#333399;color:white;border-radius:50%;display:grid;place-items:center;width:35px;height:35px;flex-shrink:0}
body[data-mit-exercise="true"] .map-board-header h2{font-size:25px;line-height:1.3}
body[data-mit-exercise="true"] .map-board-header div>p{font-size:14px;color:#333399;line-height:1.65;margin-top:8px;max-width:800px}
body[data-mit-exercise="true"] .map-variants{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px}
body[data-mit-exercise="true"] .map-variants a{border:1px solid #e9e9f5;padding:8px 12px;border-radius:6px;background:#fff;font-size:12px;text-decoration:none;line-height:1.5}
body[data-mit-exercise="true"] .map-variants a[aria-current]{background:#333399;color:white;border-color:#333399;font-weight:650}
body[data-mit-exercise="true"] .map-view{background:#fff;border:1px solid var(--map-border);border-radius:6px;overflow:hidden}
/* Worksheet appearance follows the Excel examples in the course slides. */
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/* Cash-budget notes follow the facts in the case letter. */
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/* Four lettered tasks read like a word-processor list, with hanging text alignment. */
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/* Same green as chapters 2–4: only audited, supplied numeric inputs. */
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body[data-mit-exercise="true"] .advanced-flow [data-tucson-panel="operating"]{order:0}
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/* BSC REFINED START */
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/* Read vertically: source, strategy explanation, then proposed scorecard. */
@media  screen and (min-width:701px){body[data-mit-exercise="true"][data-chapter="8"] #content .performance-bsc-case.bsc-dhyanchand{position:relative;display:block;width:1480px}
body[data-mit-exercise="true"][data-chapter="8"] #content .bsc-dhyanchand>.bsc-solution{display:block;width:1480px;margin-top:52px}
body[data-mit-exercise="true"][data-chapter="8"] #content .bsc-dhyanchand .dhyanchand-strategy-answer{width:1000px;margin:0 0 48px}}
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/* Use Dakota's canvas width as a common left-alignment frame, without stretching content. */
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body[data-mit-exercise="true"][data-chapter="8"] #content .theory-manual-stack{width:2070px}
body[data-mit-exercise="true"][data-chapter="8"] #content .theory-manual-letter{margin-left:auto;margin-right:auto}}
/* The introductory diagram is the only centred sheet. */
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/* Dakota uses the same letter and table widths as Dhyanchand. */
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body[data-mit-exercise="true"][data-chapter="8"] #content .performance-bsc-case.bsc-dakota table.bsc-dakota-inputs tbody th{white-space:normal}
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/* Keep each Dakota interpretation and its calculation clearly separated. */
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body[data-mit-exercise="true"][data-chapter="8"] #content .bsc-dakota-analysis .dakota-note-calculation .inline-equation{flex:none}
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/* Chipset: one scorecard, matching the Dakota and Dhyanchand visual system. */
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body[data-mit-exercise="true"][data-chapter="8"] #content .bsc-workshop .workshop-report + .workshop-review{margin-top:32px}
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