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var(--line);font-size:18px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:14px 24px;border-radius:14px;background:var(--ink);color:white;z-index:30;display:none;max-width:90vw}.toast.show{display:block}dialog{border:1px solid var(--line);border-radius:24px;padding:36px;max-width:min(600px,94vw);text-align:center}dialog::backdrop{background:#17141f88}dialog img{display:block;margin:auto;max-width:100%;height:auto}.close{float:right;border:0;font-size:32px;background:none;cursor:pointer}.url{overflow-wrap:anywhere;font-size:18px}.sr{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}.skip{position:absolute;top:-100px}.skip:focus{top:5px;background:white;z-index:100}.completed{color:var(--purple);font-weight:bold}.empty{border:2px dashed 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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{header,nav,footer,.actions,.toast{display:none}.hero-art{display:none}main{padding:0}.card,.panel{break-inside:avoid}body{background:white;color:black}.grid{display:block}.prompt{background:white;color:black;border:1px solid}}
/* Economics: experience first, mathematics second, economics third. */
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.semester-lab .sem-symbol{font-size:64px;line-height:1;color:var(--purple)}.sem-steps{margin:50px 0}.sem-steps article{display:grid;grid-template-columns:60px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.sem-step-number{display:flex;align-items:center;justify-content:center;background:var(--lime);border-radius:50%;width:52px;height:52px;font-weight:bold;font-size:28px}.sem-steps article p{max-width:1000px}.sem-steps h3{margin-top:8px}.sem-prompts details{padding:22px 0;border-top:1px solid var(--line)}.sem-prompts summary{font-weight:bold;cursor:pointer;font-size:24px}.sem-prompts .prompt{margin:20px 0}.sem-deadline-list{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}.semester-lab select{width:100%}.semester-lab .progress{margin:24px 0}.semester-lab #sem-contacts{margin-top:28px}.semester-lab .card{overflow-wrap:anywhere}.semester-lab button:disabled{opacity:.55;cursor:default}.semester-lab .panel>p{max-width:1000px}@media(max-width:650px){.sem-deadline-list{grid-template-columns:1fr}.sem-steps article{grid-template-columns:42px 1fr;gap:16px}.sem-step-number{width:40px;height:40px;font-size:24px}.semester-lab .tag{white-space:normal}}
.marketing-lab{--mkt-orange:#ffb78a}.mkt-hero{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;margin-bottom:28px}.mkt-hero h1{font-size:clamp(48px,5.8vw,83px);max-width:900px}.mkt-hero .tag{white-space:normal}.mkt-art{position:relative;min-height:360px;background:var(--pink);border-radius:24px;display:flex;align-items:center;justify-content:center;overflow:hidden}.mkt-art-phone{width:170px;height:280px;background:var(--ink);border-radius:28px;transform:rotate(-10deg);padding:22px}.mkt-art-ball{height:125px;background:var(--lime);border-radius:16px;font-size:95px;display:flex;align-items:center;justify-content:center;color:var(--purple)}.mkt-art-line{height:10px;width:100%;margin-top:15px;background:var(--lav);border-radius:8px}.mkt-art-line.short{width:65%;margin-top:8px}.mkt-art-button{background:var(--mkt-orange);border-radius:8px;margin-top:15px;text-align:right;padding:0 10px;font-size:28px;line-height:1.3}.mkt-art-stamp{position:absolute;bottom:24px;right:14px;background:var(--lime);border:2px solid var(--ink);border-radius:14px;padding:13px 20px;font-weight:800;transform:rotate(8deg);font-size:18px;line-height:1.3;box-shadow:3px 3px 0 var(--ink)}.mkt-art-star{position:absolute;top:14px;right:25px;font-size:65px;color:var(--purple)}.mkt-subnav{display:flex;flex-wrap:wrap;gap:8px;margin:30px 0}.mkt-subnav button{padding:12px 18px;background:white;border:1px solid var(--ink);border-radius:28px;font-size:18px;min-height:48px}.mkt-subnav button[aria-pressed=true]{background:var(--purple);color:white;border-color:var(--purple)}.mkt-progress{display:flex;align-items:center;gap:18px;margin:24px 0;font-size:18px}.mkt-progress .progress{flex:1}.mkt-timing{font-weight:bold;background:var(--lime);border-radius:12px;padding:16px 22px}.mkt-sprint-layout{display:grid;grid-template-columns:270px 1fr;gap:28px;margin:30px 0 50px;align-items:start}.mkt-timeline{display:flex;flex-direction:column;gap:8px}.mkt-timeline button{text-align:left;border:1px solid var(--line);background:#fff;padding:14px 18px;border-radius:14px}.mkt-timeline button.current{background:var(--lav);border:2px solid var(--purple)}.mkt-timeline span{display:block;font-size:18px;color:#574270}.mkt-timeline strong{font-size:20px}.mkt-stage{background:#fff;border:1px solid var(--line);padding:30px;border-radius:22px;min-width:0}.mkt-stage h2{font-size:38px}.mkt-stage p.lede{font-size:22px}.mkt-output{background:var(--lime);padding:18px 22px;border-radius:14px;font-size:22px}.mkt-output strong{font-size:28px;margin-right:12px}.mkt-stage textarea{min-height:180px}.mkt-clock{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin:24px 0}.mkt-clock>strong{font-size:38px;font-variant-numeric:tabular-nums}.mkt-clock>span{font-size:18px;flex-basis:100%}.mkt-clock .btn{font-size:18px;padding:12px}.mkt-prompt{border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.mkt-prompt summary{cursor:pointer;font-weight:bold;font-size:22px}.mkt-prompt .prompt{margin:20px 0}.mkt-tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.mkt-tool p{min-height:90px}.mkt-qr-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.mkt-qr-row img{display:block;width:140px;height:140px;flex-shrink:0;background:#fff;border-radius:8px}.mkt-qr-row .btn,.mkt-qr-row .primary{font-size:18px}.mkt-qr-row p{min-height:0}.mkt-share{display:flex;align-items:center;justify-content:space-between;gap:28px;margin-top:45px}.mkt-share img{display:block;background:#fff;border-radius:12px;max-width:100%;height:auto}.mkt-url{overflow-wrap:anywhere}.mkt-preview-image{display:block;max-width:100%;max-height:480px;object-fit:contain;margin-top:20px}.marketing-lab video{display:block;width:100%;max-height:500px;background:var(--ink);margin-top:20px}.marketing-lab 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