.calculator-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.calculator-heading h2{margin:0 0 8px}.calculator-heading p{font-size:13px;color:#657260;margin:0;max-width:600px}.calc-local-badge{font-size:10px;white-space:nowrap;color:#315b44;background:#e7efdf;border:1px solid #d5e1c9;border-radius:20px;padding:5px 10px}.calc-picker{font-size:11px;font-weight:650;display:block;color:#5f6f58;max-width:740px;margin:0 0 23px}.calc-picker select,.calc-target-label select,.calc-drainage select{display:block;width:100%;margin-top:7px;border:1px solid #bfceb6;border-radius:5px;background:#fff;padding:12px;color:#244134;font-size:13px;font-weight:450}.calc-layout{display:grid;grid-template-columns:minmax(285px,.93fr) minmax(320px,1.07fr);gap:24px;align-items:start}.calc-input-panel{background:#fff;border:1px solid #dce4d3;border-radius:8px;padding:23px}.calc-panel-heading{margin:0 0 20px}.calc-panel-heading h3{font:400 23px/1.25 var(--serif);margin:10px 0 0}.calc-target-label{display:block;font-size:11px;font-weight:650;color:#3b5c38;padding-bottom:20px;border-bottom:1px solid #e3e8dc}.calc-target-label select{background:#f0f5e9;border-color:#a7bc97}.calc-drainage{display:block;margin-top:20px;font-size:11px;font-weight:650;color:#526c45}.calc-drainage select{font-size:12px;padding:10px}.calc-input-help{font-size:10px;color:#6e7e64;margin:18px 0;line-height:1.5}.calc-field{border-top:1px solid #eaf0e3;padding:14px 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(125px,.85fr);gap:12px;align-items:center}.calc-field>label{display:flex;align-items:center;gap:10px;font-size:11px;color:#4e6346;line-height:1.4}.calc-symbol{font-family:var(--serif);font-size:17px;color:#2a4e34;min-width:29px;white-space:nowrap}.calc-field small{display:block;font-size:9px;color:#3f7658;margin-top:3px;font-weight:650;text-transform:uppercase;letter-spacing:.6px}.calc-value-unit{display:flex;align-items:stretch;gap:0;min-width:0;border:1px solid #cfdbc4;border-radius:5px;overflow:hidden;background:#fff}.calc-value-unit input{width:0;min-width:0;flex:1;font-size:13px;padding:10px;border:0;background:transparent;color:#203b2e;outline-offset:-3px}.calc-value-unit input::placeholder{font-size:10px;color:#9aa48f}.calc-value-unit select{max-width:100px;border:0;border-left:1px solid #dfe7d6;background:#f3f6ed;padding:6px;font-size:10px;color:#46613b;min-width:40px}.calc-fixed-unit{font-size:9px;color:#748369;padding:10px 8px;background:#f5f7f0;display:flex;align-items:center}.calc-missing{background:#f3f7ec;margin:8px -11px;padding:14px 11px;border:1px dashed #bdcfad;border-radius:5px}.calc-missing .calc-value-unit{background:transparent;border-color:#c6d5ba}.calc-missing input:disabled{opacity:1;color:#59784d}.calc-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:20px}.calc-submit{border:0;border-radius:5px;padding:11px 18px;font-size:12px;font-weight:650;color:#fff;background:#1b514a;display:flex;justify-content:space-between;gap:22px}.calc-submit:hover{background:#123f38}.calc-actions .text-btn{font-size:10px}.calc-result-panel{min-width:0;position:sticky;top:20px}.calc-result-empty{background:#f1f5e9;border:1px dashed #c9d7bb;border-radius:8px;padding:31px 25px;text-align:center;color:#75866a}.calc-result-icon{font:italic 33px var(--serif);color:#6e8c5c}.calc-result-empty h3{font:400 22px var(--serif);color:#405d36;margin:10px 0}.calc-result-empty p{font-size:12px;margin:0;line-height:1.6}.calc-answer{border-radius:8px 8px 0 0;background:#e9f1df;border:1px solid #c8d9b7;padding:23px}.calc-answer .section-caption{color:#5a7744;font-size:9px}.calc-answer h3{font:400 31px/1.35 var(--serif);margin:10px 0 6px;color:#21402c;overflow-wrap:anywhere}.calc-answer h3 small{font:400 15px system-ui,sans-serif;color:#557447}.calc-answer p{font-size:11px;margin:0;color:#617652}.calc-working{padding:23px;background:#fff;border:1px solid #d9e3ce;border-top:0;border-radius:0 0 8px 8px}.calc-step{margin-top:17px;padding-top:15px;border-top:1px solid #e8eddf}.calc-step strong{font-size:10px;color:#577348}.calc-step p{font-size:12px;color:#40563a;margin:6px 0 0;line-height:1.65;overflow-wrap:anywhere}.calc-reference{border-top:1px solid #d9e2cf;margin-top:25px;padding-top:24px}.calc-equation{margin:17px 0;border:1px solid #dce5d2;background:#f8faf4;border-radius:5px;padding:16px;min-width:0}.calc-equation>div{overflow:auto;padding:5px 0 8px}.calc-equation math{font-size:1.15rem;width:max-content;max-width:none}.calc-equation .text-btn{font-size:9px;text-align:left;line-height:1.5;padding:6px 0 0}.calc-assumptions{color:#607554;font-size:11px;line-height:1.65}.calc-scope{font-size:10px;color:#7c8a70;margin:25px 0 0;padding-top:20px;border-top:1px solid #e0e6d7}.calc-error{padding:22px;background:#fff4e8;border:1px solid #e8cbb0;border-radius:7px;color:#78502f}.calc-error strong{font-size:12px}.calc-error p{font-size:12px;line-height:1.65;margin:9px 0 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1170px){.calc-layout{grid-template-columns:1fr}.calc-result-panel{position:static}.calc-result-empty{padding:25px}.calculator-heading{flex-wrap:wrap;gap:12px}.calc-picker{max-width:none}.calc-result-panel{scroll-margin-top:15px}}
@media(max-width:780px){.topbar{gap:8px}.topbar-left{gap:5px}.course-label{font-size:8px}.view-nav button{padding:8px 7px;font-size:9px}.view-nav button[data-view=lookup]{max-width:83px}.calc-input-panel{padding:19px}.calculator-heading{margin-bottom:20px}.calculator-heading p{font-size:12px}.calc-layout{gap:18px}.calc-field{grid-template-columns:minmax(0,1fr) minmax(125px,.85fr)}.calc-local-badge{font-size:9px;padding:4px 8px}.calc-answer h3{font-size:30px}}
@media(max-width:500px){.topbar-left .course-label{display:none}.view-nav button{font-size:8px;padding:8px 5px}.calc-field{grid-template-columns:1fr}.calc-value-unit input{font-size:15px}.calc-value-unit select{font-size:12px}.calc-field>label{font-size:12px}.calc-picker select{font-size:12px}.calc-target-label select{font-size:12px}.calc-equation math{font-size:1rem}.calc-target-label{padding-bottom:16px}.calc-actions{gap:14px}.calc-fixed-unit{font-size:11px}.calc-assumptions{font-size:12px}}
.slice-entry{margin-top:22px;padding-top:18px;border-top:1px solid #dce5d2}.slice-entry>p{font-size:11px;line-height:1.6;color:#617455}.slice-scroll{overflow-x:auto;margin:10px 0}.slice-table{border-collapse:collapse;font-size:10px;width:100%;min-width:470px}.slice-table th{background:#eff4e8;color:#46623a;padding:8px 5px;text-align:center;font-weight:600;border:1px solid #dbe4d0}.slice-table th small{display:block;font-size:8px;font-weight:400;margin-top:3px}.slice-table td{border:1px solid #dbe4d0;text-align:right;padding:3px;min-width:53px}.slice-table input{width:100%;min-width:45px;border:0;padding:7px 3px;font-size:11px;background:#fff;color:#264332}.slice-table button{padding:5px}.slice-entry>.text-btn{font-size:11px;padding:8px 0}.slice-results{min-width:420px}.slice-results td{padding:7px 5px}.slice-results th{font-size:9px}.calc-step .slice-scroll{margin-top:12px}
@media(min-width:1171px) and (max-width:1599px){.calc-layout:has(.slice-entry){grid-template-columns:1fr}.calc-layout:has(.slice-entry) .calc-result-panel{position:static}}