.duct-sizing{--ink:#233c42;--line:#c9d9d7;--teal:#286c70;color:var(--ink);max-width:1150px;margin:auto;overflow-wrap:anywhere}.duct-sizing *{box-sizing:border-box}.duct-sizing [hidden]{display:none!important}.duct-sizing input,.duct-sizing select,.duct-sizing button{font:inherit;color:inherit;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:white;min-height:46px;max-width:100%}.duct-sizing input,.duct-sizing select{width:100%;min-width:0}.duct-sizing input[type=checkbox]{width:20px;min-height:20px;margin-right:8px}.duct-sizing button{cursor:pointer}.duct-sizing :focus-visible{outline:3px solid #b96535;outline-offset:3px}.duct-sizing [aria-invalid=true]{border:2px solid #a75024;background:#fff0df}.duct-sizing p{line-height:1.55}.duct-sizing h2,.duct-sizing h3{margin:0 0 12px}.ds-toolbar{display:flex;flex-wrap:wrap;gap:16px;margin:18px 0 24px}.ds-toolbar label{display:grid;gap:8px;min-width:220px;flex:1}.ds-workspace{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:24px;align-items:start}.ds-editor{background:#f5f3ec;padding:20px;border-radius:16px}.ds-result{background:#eaf2f1;padding:24px;border-radius:16px}.ds-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 14px;margin:16px 0}.ds-three{grid-template-columns:repeat(3,minmax(0,1fr))}.ds-field{display:grid;grid-template-rows:subgrid;grid-row:span 3;min-width:0}.ds-field>span{align-self:end;font-weight:650}.ds-field small{font-size:.84em;color:#486368;line-height:1.45}.ds-editor details{border-top:1px solid var(--line);padding:16px 0}.ds-editor summary,.ds-method summary{font-weight:650;cursor:pointer}.ds-toggle{display:flex;align-items:center;margin:16px 0}.ds-size-row{border:1px solid var(--line);padding:12px;border-radius:12px;background:white;margin:14px 0}.ds-size-row .ds-grid{margin-top:0}.ds-size-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}.ds-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.ds-big{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.25;display:block}.ds-metrics{display:grid;grid-template-columns:1fr auto;gap:10px;margin:20px 0}.ds-metrics dd{margin:0;font-weight:700}.ds-result svg{width:100%;height:auto;margin:16px 0;display:block}.ds-result svg text{font-family:system-ui,sans-serif}.ds-comparison{display:grid;gap:10px}.duct-sizing .ds-candidate{display:block;text-align:left;width:100%;padding:14px;border:1px solid var(--line);background:white}.duct-sizing .ds-candidate[aria-pressed=true]{border:2px solid var(--teal)}.ds-candidate strong,.ds-candidate span{display:block;margin:4px 0}.ds-candidate small{display:block;line-height:1.5;color:#486368}.ds-scope{font-size:.9em;margin:20px 0}.ds-error{padding:14px;background:#fff0df;border-left:4px solid #a75024;border-radius:6px}.ds-load{display:block;margin:20px 0}.ds-load input{display:block;margin-top:8px}.ds-method{border:1px solid var(--line);padding:16px;border-radius:10px;margin:26px 0}.ds-print-record{display:none}#ds-status{min-height:1.5em}.duct-sizing input:disabled{background:#e9eeed;color:#708184}@media(max-width:850px){.ds-workspace{grid-template-columns:1fr}}@media(max-width:520px){.ds-grid,.ds-three{grid-template-columns:1fr}.ds-field{grid-template-rows:auto auto auto;grid-row:auto;gap:7px}.ds-editor,.ds-result{padding:16px}.ds-metrics{grid-template-columns:1fr}.ds-toolbar label{min-width:0;width:100%}}@media print{body:has(.duct-sizing) *:not(:has(.ds-result)):not(.ds-result):not(.ds-result *){display:none!important}body:has(.duct-sizing) *:has(.ds-result){display:block!important;position:static!important;height:auto!important;min-height:0!important;margin:0!important;padding:0!important}.duct-sizing .ds-result{background:white;color:black;width:100%;border-radius:0}.ds-actions,.ds-comparison{display:none!important}.ds-print-record{display:block}.ds-print-record p{break-inside:avoid}.ds-result svg{max-height:300px}}