#hvacWorkbench{max-width:1120px}.hvac-hero{background:linear-gradient(115deg,#173c46,#285e66);padding:28px 30px;border-radius:15px;color:#fff;margin-bottom:20px}.hvac-hero h2{font-size:29px;margin:9px 0 12px;letter-spacing:-.6px}.hvac-hero p{max-width:720px;line-height:1.6;color:#d5e6e8}.hvac-hero .eyebrow{color:#e9b176}.hvac-manual{display:inline-block;font-size:11px;background:#ffffff12;border:1px solid #ffffff25;padding:7px 10px;border-radius:6px}.hvac-tool-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 20px}.hvac-tool-nav button{padding:12px 16px;background:#fff;border:1px solid #dce6eb;border-radius:9px;color:#42616e;font-weight:650}.hvac-tool-nav button[aria-pressed=true]{background:#173e47;color:white;border-color:#173e47}.hvac-calculator-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:20px;align-items:start}.hvac-input-card,.hvac-result-card{padding:24px;background:white;border:1px solid #dce5eb;border-radius:13px;min-width:0}.hvac-input-card h3,.hvac-result-card h3{font-size:20px;margin:0 0 10px}.hvac-input-card>p{font-size:13px;line-height:1.6;color:#657e88}.hvac-fields{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.hvac-fields label{min-width:0;margin:10px 0}.hvac-fields label.wide{grid-column:1/-1}.hvac-fields input,.hvac-fields select{width:100%;min-width:0}.hvac-fields .hvac-help{font-size:11px;line-height:1.5;color:#6c818b;font-weight:400}.hvac-calc-submit{margin-top:16px;min-width:150px}.hvac-result-card{background:#f8fbfc;position:sticky;top:20px}.hvac-result-card .hvac-empty{padding:30px 10px;text-align:center;color:#6a818b;font-size:13px;line-height:1.8}.hvac-main-result{padding:20px;background:#e8f2f3;border-radius:10px;margin:12px 0 18px}.hvac-main-result strong{display:block;font-size:35px;letter-spacing:-1px;line-height:1.3;color:#173e47}.hvac-main-result span{display:block;font-size:12px;color:#4d6e78;margin-top:6px}.hvac-result-list{margin:0}.hvac-result-list>div{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:11px 0;border-bottom:1px solid #dfe9ed}.hvac-result-list dt{color:#627b86;font-size:12px}.hvac-result-list dd{margin:0;font-size:14px;font-weight:700;text-align:right;overflow-wrap:anywhere}.hvac-calc-note{font-size:12px;line-height:1.7;color:#607781;overflow-wrap:anywhere}.hvac-formula{font-family:ui-monospace,monospace;font-size:11px;padding:10px 12px;border-radius:7px;background:#edf2f5;line-height:1.7;color:#42606b;overflow-wrap:anywhere}.hvac-result-actions{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 4px}.hvac-result-actions button{font-size:12px}.hvac-status{padding:11px 13px;border-radius:8px;background:#e7f4ec;color:#256c4e;font-size:12px;line-height:1.6}.hvac-status.warn{background:#fff1df;color:#8b561d}.hvac-error{color:#b12b2b;font-size:13px;line-height:1.6;padding:12px;border:1px solid #efcbcb;border-radius:8px;background:#fff6f6}.hvac-section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.hvac-history{margin-top:20px}.hvac-history .muted{font-size:12px}.hvac-history-row{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid #e3ebef;padding:12px 0}.hvac-history-row p{margin:3px 0;font-size:12px;color:#647f8a}.hvac-history-row strong{font-size:13px}.hvac-technical,.hvac-sources{margin-top:16px}.hvac-technical summary,.hvac-sources summary{font-weight:650;cursor:pointer}.hvac-technical p,.hvac-sources p{font-size:12px;line-height:1.7}.hvac-packages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:16px 0}.hvac-packages-grid .event{margin:0;padding:13px}.hvac-packages-grid p{font-size:11px;overflow-wrap:anywhere}#hvacPrintArea{display:none}@media(max-width:900px){.hvac-calculator-grid{grid-template-columns:1fr}.hvac-result-card{position:static}.hvac-hero{padding:22px}.hvac-hero h2{font-size:25px}}@media(max-width:500px){.hvac-fields{grid-template-columns:1fr}.hvac-hero h2{font-size:23px}.hvac-input-card,.hvac-result-card{padding:18px}.hvac-tool-nav button{padding:10px 12px;font-size:12px}.hvac-main-result strong{font-size:29px}}@media print{body.hvac-print-active>*{display:none!important}body.hvac-print-active>#hvacPrintArea{display:block!important;font-family:Arial,sans-serif;color:#18343e;padding:12mm;line-height:1.6}#hvacPrintArea h1{font-size:22px}#hvacPrintArea img{width:230px;height:auto}#hvacPrintArea dl>div{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #ddd;gap:20px}#hvacPrintArea dd{margin:0;font-weight:700;text-align:right}#hvacPrintArea p{font-size:12px}#hvacPrintArea section{break-inside:avoid}#hvacPrintArea .hvac-print-tag{font-size:10px;color:#617e88;letter-spacing:1px}}