.rf-home-link{display:flex;align-items:center;gap:26px;padding:24px 30px;margin:0 0 35px;border:1px solid #bccdb1;border-radius:11px;background:#edf2e5;transition:border-color .2s,background .2s}.rf-home-link:hover{background:#e5edd9;border-color:var(--green)}.rf-home-icon{display:grid;place-items:center;width:87px;flex:0 0 87px;color:var(--green)}.rf-home-icon svg{width:85px;height:75px}.rf-home-link .eyebrow{font-size:9px}.rf-home-link h2{font-size:24px;line-height:1.2;font-weight:600;letter-spacing:-.6px;margin:7px 0}.rf-home-link p{margin:0;color:var(--muted);font-size:13px}.rf-home-action{margin-left:auto;white-space:nowrap;font-size:13px;font-weight:600;display:flex;gap:25px;align-items:center}.rf-home-action>span{font-size:24px}.rf-intro{display:grid;grid-template-columns:1fr 210px;align-items:center;gap:65px;padding:37px 0 40px}.rf-intro h1{margin:15px 0 18px;font-size:55px}.rf-intro p{max-width:650px;color:var(--muted);font-size:16px;margin:0 0 22px}.rf-local{display:flex;gap:9px;align-items:center;font:10px var(--mono);color:var(--muted)}.rf-intro-art{width:190px;height:190px;background:#e7efdd;border:1px solid #d3dec9;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--green)}.rf-intro-art svg{width:125px;height:105px}.rf-intro-art>span{font:11px var(--mono);margin-top:12px;letter-spacing:3px}.rf-directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin-bottom:48px}.rf-directory>a{display:flex;flex-direction:column;align-items:flex-start;background:white;padding:23px;border:1px solid var(--line);border-radius:10px;transition:border-color .2s,transform .2s}.rf-directory>a:hover{border-color:#809779;transform:translateY(-3px)}.rf-index{font:11px var(--mono);color:#789064}.rf-directory h2{font-size:18px;line-height:1.35;letter-spacing:-.4px;margin:13px 0 9px;font-weight:600}.rf-directory p{font-size:13px;color:var(--muted);margin:0 0 18px}.rf-open{margin-top:auto;width:100%;display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600;border-top:1px solid #edf0e9;padding-top:13px}.rf-open>span{font-size:19px}.rf-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:34px;align-items:start}.rf-side{position:sticky;top:25px}.rf-side>a{display:flex;gap:12px;align-items:baseline;font-size:12px;line-height:1.5;padding:13px 5px;border-bottom:1px solid var(--line)}.rf-side>a:hover{color:var(--green);background:#eaf0e3}.rf-side>a>span{font:10px var(--mono);color:var(--muted)}.rf-side .rf-back{margin-top:20px;border:0;color:var(--green);font-weight:600}.rf-workspaces{min-width:0}.rf-tool{margin:0 0 44px;scroll-margin-top:25px}.rf-tool-heading{display:flex;gap:15px;margin-bottom:18px;align-items:baseline}.rf-tool-heading h2{margin:0 0 5px;font-size:24px;letter-spacing:-.6px;line-height:1.3;font-weight:550}.rf-tool-heading p{font-size:13px;color:var(--muted);margin:0}.rf-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.rf-inputs{padding:26px;border-right:1px solid var(--line)}.rf-inputs .field{margin:0 0 18px}.rf-inputs .field[hidden]{display:none}.rf-inputs .field small{display:block;font-size:11px;line-height:1.65;color:var(--muted);margin-top:7px}.rf-inputs .input-unit>input{min-width:0;width:100%}.rf-inputs .input-unit:not(:has(select))>input{border-radius:7px}.rf-reset{font-size:11px;min-height:37px;padding:6px 12px;margin-top:8px}.rf-results{padding:29px 26px;background:#f8faf5;min-width:0}.rf-results .eyebrow{font-size:9px;letter-spacing:1px}.rf-primary{margin:25px 0 22px}.rf-primary>span{display:block;font-size:11px;color:var(--muted);margin-bottom:7px}.rf-primary strong{display:block;font:500 clamp(22px,2.2vw,31px)/1.3 var(--mono);letter-spacing:-1px;color:var(--green);overflow-wrap:anywhere}.rf-results dl{margin:0}.rf-result-row{display:flex;justify-content:space-between;gap:15px;padding:10px 0;border-bottom:1px solid #e2e8db;font-size:11px;line-height:1.6}.rf-result-row dt{color:var(--muted)}.rf-result-row dd{margin:0;font-family:var(--mono);text-align:right;overflow-wrap:anywhere}.rf-result-note{font-size:11px;line-height:1.7;color:var(--muted);margin:19px 0 0}.rf-equation{padding:13px 24px;border-top:1px solid var(--line);font:11px/1.8 var(--mono);color:var(--green);overflow-wrap:anywhere;background:#edf2e7}.rf-details{font-size:12px;border-bottom:1px solid var(--line);padding:14px 2px}.rf-details summary{font-weight:550;color:var(--muted);cursor:pointer}.rf-details p{margin:14px 0 4px;line-height:1.8;color:var(--muted)}.rf-details strong{color:var(--ink);font-weight:600}.rf-reference{margin:0 0 35px}.rf-reference a{color:var(--green);text-decoration:underline;text-underline-offset:3px}.rf-reference p{line-height:1.9}.rf-reference .app-text-link{font-size:12px}.navlinks{gap:22px}
@media(max-width:1000px){.rf-layout{grid-template-columns:175px minmax(0,1fr);gap:22px}.rf-inputs,.rf-results{padding:22px 18px}.rf-result-row{flex-wrap:wrap;gap:3px}.rf-result-row dd{text-align:left}.rf-intro{gap:30px}.rf-home-action{gap:10px}}
@media(max-width:760px){.rf-home-link{padding:20px;gap:17px;flex-wrap:wrap;margin-bottom:25px}.rf-home-icon{width:58px;flex-basis:58px}.rf-home-icon svg{width:58px;height:58px}.rf-home-link>span:nth-child(2){flex:1;min-width:170px}.rf-home-link h2{font-size:22px}.rf-home-action{margin-left:75px;font-size:12px;white-space:normal}.rf-intro{grid-template-columns:1fr;padding:30px 0;gap:0}.rf-intro h1{font-size:40px;letter-spacing:-1.5px}.rf-intro p{font-size:14px}.rf-intro-art{display:none}.rf-local{font-size:9px;line-height:1.7}.rf-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:32px}.rf-directory>a{padding:17px 14px}.rf-directory h2{font-size:16px}.rf-directory p{font-size:12px}.rf-open{font-size:10px}.rf-layout{grid-template-columns:1fr;gap:0}.rf-side{display:none}.rf-tool{margin-bottom:33px;scroll-margin-top:15px}.rf-tool-heading{gap:11px}.rf-tool-heading h2{font-size:22px}.rf-tool-heading p{font-size:12px}.rf-form{grid-template-columns:1fr}.rf-inputs{padding:22px;border-right:0;border-bottom:1px solid var(--line)}.rf-results{padding:24px 22px}.rf-primary strong{font-size:30px}.rf-primary{margin-top:19px}.rf-result-row{flex-wrap:nowrap;font-size:12px}.rf-result-row dd{text-align:right}.rf-details{font-size:12px}.rf-equation{padding:13px 21px;font-size:10px}.rf-reference{padding:23px}.rf-reference .app-text-link{line-height:1.8}.navlinks{gap:12px}}
@media(prefers-reduced-motion:reduce){.rf-home-link,.rf-directory>a{transition:none}}
.smith-feature{display:flex;align-items:center;gap:25px;padding:29px;background:#234e3b;border:1px solid #234e3b;border-radius:12px;color:white;margin:0 0 28px}.smith-feature:hover{background:#1a402f}.smith-mini{color:#d7ee83;width:108px;flex:0 0 108px}.smith-mini svg{display:block;width:100%;stroke:#a8c48c;stroke-width:.7}.smith-mini .smith-mini-path{stroke:#d7ee83;stroke-width:2}.smith-feature .eyebrow{color:#c8dd9f;font-size:9px}.smith-feature h2{font-size:26px;font-weight:500;line-height:1.25;letter-spacing:-.7px;margin:10px 0}.smith-feature p{color:#d4dfd0;font-size:13px;line-height:1.7;margin:0;max-width:650px}.smith-feature-tags{display:block;font:9px/1.8 var(--mono);color:#adc59b;margin-top:13px}.smith-feature-action{font-size:12px;white-space:nowrap;color:#d7ee83;margin-left:auto}.smith-feature-action{align-self:flex-end;padding-bottom:4px}
@media(max-width:760px){.smith-feature{padding:22px;gap:19px;flex-wrap:wrap;margin-bottom:25px}.smith-mini{width:65px;flex-basis:65px}.smith-feature>span:nth-child(2){min-width:180px;flex:1}.smith-feature h2{font-size:22px}.smith-feature p{font-size:12px}.smith-feature-tags{font-size:8px}.smith-feature-action{margin-left:84px;font-size:11px}}
.rf-field-pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.rf-field-pair .field label{font-size:11px}.rf-field-pair input{font-size:13px}.rf-examples{padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:20px;display:flex;flex-direction:column;align-items:flex-start;gap:7px}.rf-examples>span{font:8px var(--mono);letter-spacing:1px;color:var(--muted);margin-bottom:3px}.rf-examples button{font-size:10px;color:var(--green);text-align:left;border:1px solid #d5e0c9;background:#f3f7ec;border-radius:5px;padding:7px 10px;line-height:1.5}.rf-examples button:hover{background:#e4eed5;border-color:#9aaf81}.rf-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:24px}.rf-actions .btn{font-size:10px;min-height:35px;padding:7px 10px;margin:0}.rf-action-status{font-size:10px;line-height:1.8;color:var(--green);margin:12px 0 0}.rf-action-status:empty{margin:0}.rf-action-status a{text-decoration:underline}.rf-input-note{font-size:11px;line-height:1.8;color:var(--muted);margin:12px 0}.rf-live-diagram{padding:10px 0 13px;margin:0 0 12px;border-bottom:1px solid #e2e8db;min-width:0}.rf-live-diagram svg{width:100%;height:auto;display:block}.rf-primary{margin:22px 0 10px}.rf-results .rf-result-row{gap:12px;align-items:baseline}.rf-results .rf-result-row dd{flex-shrink:0;max-width:65%}.rf-results .rf-result-row dt{min-width:0}.rf-plot{padding:22px 24px;background:#fcfdf9;border-top:1px solid var(--line);overflow-x:auto;max-width:100%}.rf-plot[hidden]{display:none}.rf-plot>svg{display:block;width:100%;height:auto;min-width:560px}.rf-chart-heading{display:flex;justify-content:space-between;gap:15px;align-items:baseline;margin-bottom:12px;min-width:0}.rf-chart-heading h3{font-size:13px;font-weight:600;letter-spacing:-.2px;margin:0}.rf-chart-heading>span{font:7px var(--mono);color:var(--muted);letter-spacing:.5px;text-align:right}.rf-chart-legend{display:flex;align-items:center;gap:12px 23px;flex-wrap:wrap;font-size:10px;color:var(--muted);padding-top:13px}.rf-chart-legend>span{display:flex;gap:7px;align-items:center}.rf-chart-legend i{width:17px;height:2px;display:inline-block}.rf-inputs .check{font-size:11px;align-items:flex-start;line-height:1.7;margin:0 0 17px}.rf-inputs .check input{margin-top:3px}.rf-directory h2{font-size:17px}.rf-tool-heading h2{max-width:720px}
html:has(body[data-tool="rf-calculators"]){scroll-behavior:auto}
@media(max-width:1000px){.rf-layout{grid-template-columns:155px minmax(0,1fr);gap:20px}.rf-side>a{font-size:11px}.rf-side>a>span{font-size:9px}.rf-primary strong{font-size:25px}.rf-field-pair{gap:9px}.rf-field-pair .field label{font-size:10px}.rf-results .rf-result-row{font-size:10px}.rf-results .rf-result-row dd{max-width:70%}}
@media(max-width:760px){.rf-layout{grid-template-columns:1fr}.rf-field-pair .field label{font-size:11px}.rf-field-pair{gap:12px}.rf-primary strong{font-size:28px}.rf-live-diagram{margin-top:5px}.rf-examples{gap:8px}.rf-examples button{font-size:11px}.rf-results .rf-result-row{font-size:11px}.rf-actions .btn{font-size:10px;min-height:36px}.rf-action-status{font-size:11px}.rf-plot{padding:20px 15px;position:relative}.rf-chart-heading{display:block}.rf-chart-heading h3{font-size:13px}.rf-chart-heading>span{display:block;text-align:left;margin-top:7px;font-size:8px}.rf-chart-heading:after{content:'Scroll chart horizontally to inspect axes →';display:block;font-size:9px;color:var(--muted);margin-top:7px}.rf-chart-legend{font-size:10px;gap:10px}.rf-directory h2{font-size:15px}}