.field-tool{padding-bottom:20px}.field-calculator{display:grid;grid-template-columns:1.05fr 1fr;border:1px solid var(--line,#e5e5e5);border-radius:12px;overflow:hidden;background:white}.field-inputs{padding:32px}.field-inputs h2{font-size:23px;margin:0 0 24px}.field-shapes{margin:0 0 22px;padding:0;border:0;display:flex;gap:10px;flex-wrap:wrap}.field-shapes legend{font-size:14px;margin-bottom:10px}.field-shapes label{flex:1;min-width:130px;position:relative}.field-shapes input{position:absolute;opacity:0;pointer-events:none}.field-shapes span{display:block;padding:11px;text-align:center;border:1px solid #d8d8d8;border-radius:5px;font-weight:600;font-size:15px;cursor:pointer}.field-shapes input:checked+span{border-color:#c71920;background:#fff4f4;color:#ad1018}.field-shapes input:focus-visible+span{outline:2px solid #222;outline-offset:3px}.field-dimensions{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field-dimensions label{display:block;font-size:14px;font-weight:500;min-width:0}.field-dimensions label[hidden]{display:none}.field-unit-input{display:flex;align-items:center;border:1px solid #d8d8d8;border-radius:5px;margin-top:8px;background:white}.field-unit-input:focus-within{outline:2px solid #a91b23;outline-offset:1px}.field-unit-input input{border:0!important;outline:none!important;box-shadow:none!important;width:100%;min-width:0;padding:12px;font:inherit;font-size:17px;background:transparent}.field-unit-input span{padding:0 12px 0 0;color:#767676;font-size:12px;white-space:nowrap}.field-dimensions select{display:block;margin-top:8px;min-height:49px;width:100%;padding:9px;border:1px solid #d8d8d8;border-radius:5px;background:white;font:inherit}.field-inputs .field-note{margin:12px 0 23px;font-size:12px;line-height:1.7;color:#757575}.field-actions{display:flex;align-items:center;gap:24px}.field-reset,.field-copy{font:inherit;background:none;border:0;cursor:pointer;padding:10px 0;text-decoration:underline;text-underline-offset:4px}.field-error{color:#a5121b;background:#fff0f0;padding:12px;border-radius:4px;font-size:14px}.field-result-panel{background:#f6f6f6;padding:28px 32px;display:flex;flex-direction:column;justify-content:center}.field-diagram svg{width:100%;max-height:180px;display:block}.field-diagram text{fill:#585858;font:12px sans-serif}.field-diagram p{font-size:12px;line-height:1.6;color:#777;margin:8px 0 22px}.field-output{border-top:1px solid #ddd;padding-top:22px}.field-output small{font-size:14px;font-weight:500}.field-number{display:flex;align-items:baseline;gap:12px;margin-top:9px;flex-wrap:wrap}.field-number strong{font-size:clamp(34px,4vw,54px);line-height:1.2;letter-spacing:-1.5px;font-weight:600;color:#b81821;overflow-wrap:anywhere}.field-number span{color:#777;font-size:15px}.field-secondary{font-size:17px;margin:7px 0 16px;color:#555}.field-summary{font-size:13px;line-height:1.8;white-space:pre-line;color:#555}.field-result-panel .field-note{font-size:12px;color:#777;line-height:1.7}.field-result-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:18px}.field-copy{font-size:13px}.field-copy:disabled{opacity:.45;cursor:default}.field-result-actions .button{font-size:14px;padding:12px 17px}.field-guidance{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:32px 0}.field-guidance h3{font-size:17px;margin:0 0 10px}.field-guidance p{font-size:14px;line-height:1.9;color:#666;margin:0}.field-method{border-top:1px solid #ddd;border-bottom:1px solid #ddd;padding:18px 0}.field-method summary{cursor:pointer;font-size:14px;font-weight:600}.field-method .prose{font-size:14px;padding-top:14px;overflow-wrap:anywhere}.field-method a{color:#ac111b;text-decoration:underline}.field-editor-copy{margin-top:24px}.field-tool button:focus-visible,.field-tool a:focus-visible,.field-tool summary:focus-visible{outline:2px solid #a91b23;outline-offset:4px}
@media(max-width:760px){.field-calculator{grid-template-columns:1fr}.field-inputs,.field-result-panel{padding:24px 20px}.field-guidance{grid-template-columns:1fr;gap:24px}.field-number strong{font-size:42px}.field-dimensions{gap:12px}.field-dimensions label{font-size:13px}.field-shapes span{font-size:14px}.field-inputs h2{font-size:21px}.field-result-actions{gap:16px}.field-number{gap:9px}}