*{box-sizing:border-box}:root{--ink:#22283d;--muted:#70778a;--line:#e5e5ef;--purple:#6257d9;--purple-dark:#4338b4;--orange:#ff825f;--orange-dark:#e75e3e;--blue:#6467e8;--mint:#18ac83;--panel:#fff;--shadow:0 22px 60px rgba(42,44,82,.11)}html,body{width:100%;height:100%;margin:0;overflow:hidden}body{font-family:"DM Sans",sans-serif;color:var(--ink);background:#eef0f7}button,input{font:inherit}.app-shell{width:100vw;height:100vh;display:grid;grid-template-rows:68px minmax(0,1fr);background:radial-gradient(circle at 10% 2%,#fff 0,transparent 33%),radial-gradient(circle at 92% 86%,#eae6ff 0,transparent 31%),linear-gradient(135deg,#f8f8fc,#eef0f6)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:rgba(255,255,255,.88);border-bottom:1px solid 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@media(max-width:410px){.workspace{grid-template-rows:minmax(0,50%) minmax(0,50%)}.panel-heading h2{font-size:11px}.status-pill{display:none}.lab-stage{grid-template-columns:.6fr 1fr}.mini-cylinder{min-height:65px;max-height:88px}.beaker{min-height:84px;max-height:105px}.ratio-readout p{display:none}.model-heading p{max-width:120px;text-align:right}.challenge-card{grid-template-columns:1fr 105px}}
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