.teach-roadmap{margin:22px 0 18px;padding:19px 20px;background:#edf3e9;border:1px solid #d1dfc9;border-radius:12px}.teach-roadmap .eyebrow{margin-bottom:13px}.teach-roadmap ol{display:grid;grid-template-columns:repeat(6,1fr);gap:17px;list-style:none;padding:0;margin:0}.teach-roadmap li{font-size:.73rem;line-height:1.5;position:relative;color:#385248}.teach-roadmap li:not(:last-child):after{content:'→';position:absolute;right:-12px;top:3px;color:#759c83}.teach-roadmap li>span{display:block;font-size:.65rem;font-weight:700;color:var(--teal);margin-bottom:6px}.teach-glossary{margin:18px 0 24px;border:1px solid var(--line);border-radius:10px;padding:15px 19px;background:#fff}.teach-glossary summary{font-size:.85rem;font-weight:650;color:var(--teal);cursor:pointer}.teach-glossary dl{display:grid;grid-template-columns:1fr 1fr;gap:18px 26px;margin-top:20px}.teach-glossary dt{font-weight:700;font-size:.9rem;margin-bottom:5px}.teach-glossary dd{margin:0;color:var(--muted);font-size:.83rem}.teaching-step .teach-notice{margin-top:13px}.teach-notice>span,.teach-do>span{display:block;font-size:.65rem;letter-spacing:.085em;text-transform:uppercase;color:var(--teal);font-weight:700;margin-bottom:5px}.teaching-step p{font-size:.89rem;line-height:1.75}.teaching-step .teach-do{margin-top:18px}.teach-do .engr-step-math{margin:8px 0 16px;padding:12px 15px;border-left:3px solid #90b69e;background:#f5f8f2;overflow-x:auto}.teach-do .katex-display{margin:0}.teach-rule-row{display:grid;gap:8px}.teach-rule{border-top:1px solid var(--line);padding:10px 0;font-size:.81rem;min-width:0}.teach-rule summary{cursor:pointer;color:#295e4b;font-weight:650}.teach-rule p{margin-top:10px}.teach-rule .katex-display{font-size:.85rem;margin:12px 0}.teach-citation{font-size:.75rem;line-height:1.55;color:#587364;display:inline-block;margin-top:8px;text-decoration-thickness:1px;text-underline-offset:3px}.teach-check{display:grid;grid-template-columns:87px 1fr;gap:12px;border-top:1px solid #d4e2cc;margin-top:8px;padding-top:13px}.teach-check strong{color:#3d764e;font-size:.74rem;line-height:1.75}.teach-check p{font-size:.83rem;margin:0}.teach-source{border-top:1px solid var(--line);margin-top:26px;padding-top:13px;font-size:.8rem;color:var(--muted)}.teach-source summary{cursor:pointer;margin-top:10px}.teach-source details p{margin-top:12px;max-width:850px}.apa-reference{padding-left:25px;text-indent:-25px;color:var(--ink);font-size:.9rem;line-height:1.75}.teach-entry{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:23px}.teach-entry a{display:flex;flex-direction:column;gap:8px;background:white;border:1px solid #cbdcc9;border-radius:10px;padding:20px;text-decoration:none}.teach-entry strong{font-size:.96rem}.teach-entry span{font-size:.81rem;color:var(--muted)}.teach-bibliography{padding:22px;background:white;border:1px solid var(--line);border-radius:12px;margin:25px 0}.teach-bibliography h2{font-size:1.12rem;margin-bottom:15px}.teach-bibliography>p{margin-top:14px;font-size:.86rem}.teach-bibliography ul{padding-left:20px;font-size:.87rem}.teach-bibliography li{margin:10px 0}.teach-rule-library{display:grid;grid-template-columns:1fr 1fr;gap:3px 30px}.teach-rule-library .teach-rule{align-self:start;padding:16px 0}.teach-curve-link{display:block;margin:20px 0;padding:17px 19px;background:#e7f0e3;border:1px solid #c8dcc1;border-radius:10px;font-size:.86rem;font-weight:650}.teach-thought{padding:17px 20px;border-left:3px solid #87ae8c;margin:18px 0;font-size:.9rem;background:#eef4e9}.teach-thought strong{display:block;font-size:.7rem;letter-spacing:.08em;color:var(--teal);text-transform:uppercase;margin-bottom:5px}.constant-lab{background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:25px 0}.constant-controls{padding:21px 25px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:17px;flex-wrap:wrap}.constant-controls label{font-size:.9rem;min-width:150px}.constant-controls output{font-weight:700;color:var(--teal)}.constant-controls input{accent-color:var(--teal);flex:1;min-width:160px}.constant-controls>div{display:flex;gap:8px;flex-wrap:wrap}.constant-controls button{font-size:.8rem}.constant-controls button[aria-pressed=true]{background:#dfedd5;border-color:#83a978}.constant-lab svg{display:block;width:100%;font-family:'DM Sans',sans-serif}.constant-lab svg text{fill:#43594e;font-size:13px}.constant-readout{padding:17px 23px;border-top:1px solid var(--line);background:#edf4e7;font-size:.9rem}.constant-explanation{display:grid;gap:18px}.constant-explanation article{padding:24px;border:1px solid var(--line);background:white;border-radius:12px;min-width:0}.constant-explanation article>span{font-size:.65rem;letter-spacing:.1em;color:var(--teal)}.constant-explanation h2{font-size:1.15rem;margin-top:9px}.constant-explanation p{font-size:.9rem;color:var(--muted)}.constant-explanation .teach-rule{margin-top:13px}.teaching-step .katex-display>.katex{white-space:nowrap}.teaching-step .teach-rule .katex-display{padding-bottom:5px}.teaching-step .teach-do .katex-display{text-align:left}
@media(max-width:1100px){.teach-roadmap ol{grid-template-columns:repeat(3,1fr);gap:19px 25px}.teach-roadmap li:nth-child(3):after{content:''}.teach-rule-library{grid-template-columns:1fr}}
@media(max-width:600px){.teach-entry,.teach-glossary dl{grid-template-columns:1fr}.teach-roadmap{padding:15px}.teach-roadmap ol{grid-template-columns:repeat(2,1fr);gap:16px 23px}.teach-roadmap li:after{display:none}.teach-roadmap li>span{display:inline-block;margin:0 7px 0 0}.teaching-step{padding:18px 12px;grid-template-columns:26px 1fr}.teaching-step p{font-size:.86rem}.teach-do .engr-step-math{padding:10px 8px}.teach-check{grid-template-columns:1fr;gap:2px}.teach-rule summary{font-size:.8rem}.teach-citation{font-size:.73rem}.constant-controls{padding:17px}.constant-controls label{flex-basis:100%}.constant-controls input{flex-basis:100%}.constant-explanation article{padding:19px}.constant-readout{font-size:.84rem}.teach-thought{font-size:.85rem}.teach-bibliography{padding:18px}}
@media print{.teach-glossary,.constant-controls{display:none}.teaching-step{break-inside:avoid}.teach-roadmap ol{grid-template-columns:repeat(3,1fr)}}