body{background:#eff2e9;color:#203f36}header{border-bottom:1px solid #ced9ce;height:95px}header .brand small{color:#768c7d}header nav{color:#5c7766}header nav button{background:none;border:0;color:inherit;font-size:12px;padding:12px}header nav button:hover{color:#183f2d}.calculator-section{padding-top:64px}.section-heading h1{font:500 clamp(29px,3.6vw,47px)/1.1 'Space Grotesk';letter-spacing:-1.8px;margin:14px 0 0}.section-note{font-size:11px}.search{margin-top:29px}.section-intro{color:#68816e;font-size:12px;margin-top:18px;line-height:1.7}.folder[aria-pressed=true]{outline:2px solid #527d56;outline-offset:4px}.folder b{font-size:8px}.folder small{margin-left:auto}.folder-icon{font-size:30px}.electrical{background:linear-gradient(130deg,#dbe9ee,#c8dde9)}.electrical:before{background:#dbe9ee}.solar{background:linear-gradient(130deg,#f4ebc9,#eadea9)}.solar:before{background:#f4ebc9}.mechanical{background:linear-gradient(130deg,#e7dfed,#d6cbe3)}.mechanical:before{background:#e7dfed}.water{background:linear-gradient(130deg,#d5ebe5,#bfe0d7)}.water:before{background:#d5ebe5}.converters{background:linear-gradient(130deg,#e6e5d9,#d7d8c3)}.converters:before{background:#e6e5d9}.folders{row-gap:27px}.collection-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 0}.collection-tabs button{border:1px solid #cdd8cb;border-radius:7px;padding:10px 15px;min-height:42px;color:#60795f;font-size:11px;background:transparent}.collection-tabs button[aria-pressed=true]{background:#1b5140;border-color:#1b5140;color:white}.collection-tabs button span{font-size:9px;opacity:.7;margin-left:8px}.tools-heading{margin-top:50px}.tools-heading h2{font:500 27px 'Space Grotesk';letter-spacing:-.8px}.tools-actions{display:flex;gap:16px;align-items:center}.tools-actions>span{font-size:11px;color:#6b836a}.preview-note{font-size:10px;color:#809078;line-height:1.7;margin:16px 0 22px}.tool-list{gap:12px}.library-card{position:relative;display:flex;background:#fafbf7;border:1px solid #d9e2d4;border-radius:10px;overflow:hidden}.tool-list .open-tool{border:0;flex:1;padding:18px 30px 18px 14px;display:flex;align-items:center;justify-content:start;gap:12px;min-width:0}.open-tool>span:last-child{min-width:0}.open-tool strong{font-weight:500;display:block;font-size:11px;line-height:1.4}.open-tool small{font-size:8px;display:block;margin-top:6px;color:#7b9075}.tool-icon{flex:0 0 35px;height:38px;display:grid;place-items:center;background:#e2ecd9;border:1px solid #d7e3cd;border-radius:9px;font:22px 'Space Grotesk';color:#648252}.engineering .tool-icon{background:#f3e8d2;border-color:#ebddc0;color:#967c4c}.support .tool-icon{background:#e9e4f2;border-color:#e0d7ec;color:#8c7ca1}.tool-list .save-tool{position:absolute;right:4px;top:5px;border:0;padding:3px;width:30px;height:30px;display:grid;place-items:center;font-size:20px;background:none;color:#859879}.tool-list .save-tool[aria-pressed=true]{color:#9c7d37}.library-card:hover{border-color:#92ad83}.library-card:focus-within{outline:2px solid #688959}#empty{margin-top:20px;padding:35px;border:1px dashed #adc1a3;border-radius:10px;color:#66825c}.about-tools{margin-top:48px;border-top:1px solid #cedbcc;padding-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.about-tools h3{font-size:13px;font-weight:500}.about-tools p{font-size:11px;color:#7a8d73;line-height:1.7;margin-top:10px}footer{border-color:#cedbcc;color:#788b70}footer .brand{color:#315132}footer>span{font-size:11px}footer small{font-size:9px}dialog{background:#f0f4e9;border-color:#c9d9bf;color:#294d34}.dialog-head button{color:#345a3d}dialog .eyebrow{color:#6b8962}#dialog-description{font-size:13px;line-height:1.8;color:#6e8467;margin:15px 0}#planned-note{background:#e1ead7;border:1px solid #d7e2cb;border-radius:9px;padding:20px;font-size:12px;line-height:1.8;color:#59704e;margin-top:20px}#planned-note strong{display:block;margin-bottom:8px}#tool-fields label{color:#5a7751}#tool-fields input{background:white;border-color:#c9d8bf;color:#234631}#tool-result{color:#2b6741}#tool-assumption{color:#6c8361}.dialog-footer{border-top:1px solid #cdddc2;margin-top:22px;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:20px}.dialog-footer button{background:#fff;border:1px solid #c9d8bf;border-radius:6px;padding:11px 14px;color:#4b6e42;font-size:12px}.dialog-footer a{font-size:11px}button:focus-visible,a:focus-visible,input:focus-visible{outline-color:#367d57}[hidden]{display:none!important}
@media(max-width:1100px){.tool-list{grid-template-columns:repeat(3,1fr)}.section-note{display:none}}
@media(max-width:700px){header{height:auto;min-height:100px;gap:14px;padding-bottom:10px}header nav{justify-content:start;gap:6px}header nav button{padding:8px 10px;font-size:11px}.calculator-section{padding-top:35px}.section-heading h1{font-size:34px;letter-spacing:-1.4px}.section-intro{font-size:11px}.folders{gap:24px 12px}.folder b{font-size:7px}.folder strong{font-size:13px}.folder>span:not(.folder-icon){font-size:9px}.tool-list{grid-template-columns:repeat(2,1fr);gap:10px}.tool-list .open-tool{flex-direction:column;align-items:start;gap:12px;padding:15px 12px}.open-tool strong{font-size:11px}.open-tool small{font-size:8px}.collection-tabs{gap:6px}.collection-tabs button{font-size:10px;padding:9px 11px}.tools-heading{align-items:start;gap:10px}.tools-heading h2{font-size:23px;max-width:230px}.tools-actions{flex-direction:column;gap:2px;align-items:end}.tools-actions>span{font-size:9px}.tools-heading button{font-size:9px;white-space:nowrap}.about-tools{grid-template-columns:1fr;gap:23px}.preview-note{font-size:9px}.folder-icon{margin-bottom:17px}.folder>span:not(.folder-icon){margin-bottom:20px}.dialog-footer{gap:10px}}