/* Approved material-atlas appearance. Page-scoped; content and calculator behavior unchanged. */
.rr-page{--rr-bg:var(--surface,#191c22);--rr-line:var(--border,#30353f);--rr-ink:var(--text,#f3f4f6);--rr-muted:var(--ui-copy,#b5bdc9);--rr-accent:var(--accent,#ff786b);--calc-grid:#a3b0c710;--calc-shadow:#0003;--calc-inset:#14181e;--calc-soft:#ffffff04;--calc-art:url("/assets/images/materials/river-rock.svg");max-width:1200px;padding:22px 0 48px;color:var(--rr-ink);font-size:14px;line-height:1.65;scrollbar-color:var(--rr-line) var(--rr-bg)}
html[data-theme=light] .rr-page{--calc-grid:#52698512;--calc-shadow:#2432440b;--calc-inset:#f0f3f7;--calc-soft:#ffffff60}
.rr-page *{box-sizing:border-box}
.rr-page [hidden]{display:none!important}
.rr-page h1{color:var(--rr-ink);font-weight:600;letter-spacing:normal;line-height:1.35}
.rr-page h2{color:var(--rr-ink);font-weight:600;letter-spacing:normal;line-height:1.35;font-size:18px;margin:0 0 8px}
.rr-page h3{color:var(--rr-ink);font-weight:600;letter-spacing:normal;line-height:1.35;font-size:15px;margin:0 0 5px}
.rr-page p{margin:0 0 14px;line-height:1.85;color:var(--rr-muted)}
.rr-page p:last-child{margin-bottom:0}
.rr-page strong{color:var(--rr-ink);font-weight:600}
.rr-page a{color:var(--rr-accent);text-underline-offset:3px}
.rr-page a:hover{text-decoration:underline}
.rr-page :is(a,button,input,select,summary,[tabindex]):focus-visible{outline:2px solid var(--rr-accent);outline-offset:3px}
.rr-page .rr-breadcrumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;justify-content:center;font-size:11px;color:var(--rr-muted);margin:0}
.rr-page .rr-heading{position:relative;isolation:isolate;text-align:center;padding:36px 20px 134px;margin:0;overflow:hidden}
.rr-page .rr-heading:before{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(var(--calc-grid) 1px,transparent 1px),linear-gradient(90deg,var(--calc-grid) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(ellipse at center,#000,transparent 75%)}
.rr-page .rr-heading:after{content:"";position:absolute;bottom:-5px;left:50%;transform:translateX(-50%);width:270px;height:150px;background:var(--calc-art) center/contain no-repeat;filter:drop-shadow(0 12px 12px var(--calc-shadow));pointer-events:none}
.rr-page .rr-heading h1{font-size:40px;font-weight:600;line-height:1.18;letter-spacing:-1.4px;margin:0 0 13px}
.rr-page .rr-heading p{max-width:660px;margin:0 auto;font-size:13px;line-height:1.85;color:var(--rr-muted)}
.rr-page .rr-content-divider{border:0;border-top:1px solid var(--rr-line);margin:43px 0 0}
.rr-page .rr-reading-shell{display:block;max-width:1080px;margin:0 auto}
.rr-page .rr-reading-nav{position:static;display:flex;flex-direction:row;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px 16px;border:0;padding:20px 0 25px;margin-bottom:5px}
.rr-page .rr-reading-nav strong{font-size:10px;font-weight:500;color:var(--muted);margin:0 7px 0 0}
.rr-page .rr-reading-nav a{font-size:11px;line-height:1.5;padding:8px 11px;border:1px solid var(--rr-line);border-radius:6px;color:var(--rr-muted);background:var(--rr-bg)}
.rr-page .rr-reading-nav a:hover{border-color:var(--rr-accent);color:var(--rr-accent);text-decoration:none}
.rr-page .rr-mobile-nav{display:none}
.rr-page .rr-reading-body{min-width:0}
.rr-page .rr-section-body{min-width:0}
.rr-page .rr-reading-body>.rr-panel{border:1px solid var(--rr-line);border-radius:13px;padding:26px 30px;margin:0 0 23px;background:var(--rr-bg)}
.rr-page .rr-reading-body>.rr-panel>h2{font-size:19px;letter-spacing:-.4px;margin:0 0 22px;padding:0 0 16px;border-bottom:1px solid var(--rr-line);display:flex;align-items:center;gap:12px;scroll-margin-top:24px}
.rr-page .rr-reading-body>.rr-panel:not(.rr-sources)>h2:before{content:"";display:block;flex:none;width:4px;height:20px;background:var(--rr-accent);border-radius:3px}
.rr-page .rr-reading-body p{font-size:13px;line-height:1.9;margin-bottom:14px}
.rr-page .rr-reading-body p:last-child{margin-bottom:0}
.rr-page .rr-reading-body h3{font-size:14px;line-height:1.6;margin-bottom:7px}
.rr-page .rr-explainer{display:grid;grid-template-columns:minmax(0,1fr) 215px;gap:30px;align-items:center}
.rr-page .rr-diagram{width:100%;max-width:215px;justify-self:center;color:var(--ui-diagram,#dba39c);padding:12px;border:1px solid var(--rr-line);border-radius:10px;background:var(--calc-inset)}
.rr-page .rr-formula{font-size:13px;padding:16px 18px;background:var(--calc-inset);border:1px solid var(--rr-line);border-left:2px solid var(--rr-accent);border-radius:7px;line-height:1.8;margin:16px 0;color:var(--rr-ink);font-variant-numeric:tabular-nums}
.rr-page .rr-table-wrap{border:1px solid var(--rr-line);border-radius:8px;overflow-x:auto;margin:19px 0}
.rr-page table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}
.rr-page caption{padding:12px 15px;background:var(--calc-inset);font-size:11px;text-align:left;color:var(--rr-muted)}
.rr-page th{padding:12px 16px;font-size:12px;line-height:1.7;vertical-align:top;border-bottom:1px solid var(--rr-line)}
.rr-page td{padding:12px 16px;font-size:12px;line-height:1.7;vertical-align:top;border-bottom:1px solid var(--rr-line);color:var(--rr-muted)}
.rr-page thead th{background:var(--ui-subtle,#242a34);font-size:11px;font-weight:500}
.rr-page tbody th{font-weight:500;min-width:105px}
.rr-page tr:last-child :is(th,td){border-bottom:0}
.rr-page .rr-table-wrap tbody tr:nth-child(even){background:var(--calc-soft)}
.rr-page .rr-table-wrap tbody tr:hover{background:var(--ui-accent-soft,#ff786b0b)}
.rr-page .rr-subsection{border-top:1px solid var(--rr-line);margin-top:23px;padding-top:20px}
.rr-page .rr-help{font-size:12px;line-height:1.7;margin-top:8px;color:var(--muted,#a6adba)}
.rr-page .rr-reading-body>.rr-sources{padding:18px 21px;border-radius:9px;background:transparent}
.rr-page .rr-reading-body>.rr-sources>h2{font-size:14px;letter-spacing:0;padding-bottom:10px;margin-bottom:12px}
.rr-page .rr-sources p{font-size:11px;line-height:1.75;color:var(--muted,#a6adba);margin:0 0 14px}
.rr-page .rr-sources li{font-size:11px;line-height:1.75;color:var(--muted,#a6adba);margin:3px 0}
.rr-page .rr-sources ul{padding-left:18px;margin:8px 0 0}
.rr-page .rr-sources a{text-decoration:underline}
.rr-page .rx-calculator{background:var(--rr-bg);position:relative;border:1px solid var(--rr-line);border-top:2px solid var(--rr-accent);border-radius:17px;box-shadow:0 15px 45px var(--calc-shadow);overflow:hidden}
.rr-page .rx-header{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:19px;padding-bottom:17px;border-bottom:1px solid var(--rr-line)}
.rr-page .rx-header h2{font-size:18px;letter-spacing:-.4px;margin:0}
.rr-page .rx-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.rr-page .rx-units{margin:0;min-width:0;display:flex;gap:2px;background:var(--ui-input,#111317);border:1px solid var(--ui-line,#353c47);padding:3px;border-radius:6px;flex:none}
.rr-page .rx-method{border:0;margin:0;padding:0;min-width:0;margin-bottom:18px}
.rr-page .rx-shapes{border:0;margin:0;padding:0;min-width:0}
.rr-page .rx-units label{position:relative;cursor:pointer}
.rr-page .rx-choice label{position:relative;cursor:pointer}
.rr-page .rx-units input{position:absolute;opacity:0;width:1px;height:1px}
.rr-page .rx-choice input{position:absolute;opacity:0;width:1px;height:1px}
.rr-page .rx-units label>span{display:block;padding:5px 10px;font-size:11px;color:var(--ui-secondary,#aeb7c5);border-radius:3px}
.rr-page .rx-units input:checked+span{color:var(--rr-ink);background:var(--ui-selected,#303640)}
.rr-page .rx-units input:focus-visible+span{outline:2px solid var(--rr-accent);outline-offset:3px}
.rr-page .rx-choice input:focus-visible+span{outline:2px solid var(--rr-accent);outline-offset:3px}
.rr-page .rx-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}
.rr-page #rx-form{min-width:0;padding:27px 30px 28px;background:var(--rr-bg)}
.rr-page .rx-method legend{font-size:12px;color:var(--ui-label,#c8cfd9);margin-bottom:8px}
.rr-page .rx-choice{display:flex;gap:6px;flex-wrap:wrap}
.rr-page .rx-choice label>span{display:flex;align-items:center;gap:6px;min-height:36px;padding:7px 10px;border:1px solid var(--ui-line,#414a57);border-radius:5px;color:var(--ui-secondary,#b0bac9);font-size:11px;line-height:1.6}
.rr-page .rx-choice input:checked+span{color:var(--ui-accent-text,#f2c5be);border-color:var(--ui-accent-line,#9a665e);background:var(--ui-accent-soft,#ff786b09)}
.rr-page .rx-choice label:hover>span{border-color:var(--ui-accent-line,#a16a62);color:var(--ui-accent-text,#f2c5be)}
.rr-page .rx-choice svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;flex:none}
.rr-page .rx-method .rx-choice>label{flex:1}
.rr-page .rx-method .rx-choice span{justify-content:center;font-size:12px}
.rr-page .rx-bed-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.rr-page .rx-bed-header h3{font-size:12px;font-weight:500;margin:0;color:var(--rr-muted)}
.rr-page .rx-measurements{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}
.rr-page .rx-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:end}
.rr-page .rx-measurements[data-shape=rectangle][data-method=volume]{grid-template-columns:repeat(3,minmax(0,1fr))}
.rr-page .rx-measurements:not([data-shape=rectangle])[data-method=coverage]{grid-template-columns:1fr}
.rr-page .rx-field{min-width:0}
.rr-page .rx-field>label{display:block;font-weight:500;font-size:11px;line-height:1.6;color:var(--rr-muted);margin-bottom:6px}
.rr-page .rx-field small{font-size:10px;font-weight:400;color:var(--ui-secondary,#aeb7c5)}
.rr-page .rx-input{display:flex;align-items:center;overflow:hidden;min-height:43px;border-radius:7px;background:var(--calc-inset);border:1px solid var(--rr-line)}
.rr-page .rx-input input{width:100%;min-width:0;border:0;background:transparent;color:var(--rr-ink);font:inherit;outline:0;font-size:13px;padding:10px 12px}
.rr-page .rx-input:focus-within{outline:2px solid var(--rr-accent);outline-offset:3px;border-color:var(--rr-accent)}
.rr-page .rx-input input:focus-visible{outline:0}
.rr-page .rx-input:has(input[aria-invalid=true]){border-color:var(--rr-accent)}
.rr-page .rx-input>span{padding:0 12px 0 4px;color:var(--ui-secondary,#aeb7c5);font-size:12px;white-space:nowrap}
.rr-page .rx-field>input{display:block;width:100%;padding:8px 10px;color:var(--rr-ink);font:inherit;min-width:0;color-scheme:var(--color-scheme,dark);height:43px;border-radius:7px;background:var(--calc-inset);border:1px solid var(--rr-line);font-size:13px;padding-inline:12px}
.rr-page .rx-field select{display:block;width:100%;padding:8px 10px;color:var(--rr-ink);font:inherit;min-width:0;color-scheme:var(--color-scheme,dark);height:43px;border-radius:7px;background:var(--calc-inset);border:1px solid var(--rr-line);font-size:13px;padding-inline:12px}
.rr-page .rx-field input::placeholder{color:var(--ui-placeholder,#929baa)}
.rr-page .rx-field input[aria-invalid=true]{border-color:var(--rr-accent)}
.rr-page .rx-help{color:var(--muted,#a6adba);margin:10px 0 0;font-size:11px;line-height:1.75}
.rr-page .rx-help:empty{display:none}
.rr-page .rx-product-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px;align-items:end;margin:0 0 14px}
.rr-page .rx-product-row .rx-help{margin:0 0 2px}
.rr-page .rx-coverage-fields{margin-top:20px;padding-top:20px;border-top:1px solid var(--ui-line,#353c47)}
.rr-page .rx-layer-field{margin-top:14px}
.rr-page .rx-options{margin-top:13px;padding:0 13px;border:1px solid var(--rr-line);border-radius:8px;background:var(--calc-soft)}
.rr-page .rx-options summary{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;cursor:pointer;color:var(--ui-secondary,#c2cad6);list-style:none;padding:12px 0;font-size:12px;font-weight:500;line-height:1.6}
.rr-page .rx-options summary::-webkit-details-marker{display:none}
.rr-page .rx-options summary:after{content:"+";font-size:18px;color:var(--ui-secondary,#9ca7b7)}
.rr-page .rx-options[open] summary:after{content:"−"}
.rr-page .rx-options summary span{font-size:11px;color:var(--ui-secondary,#9ca7b7);margin-right:auto}
.rr-page .rx-options summary:hover{color:var(--rr-accent)}
.rr-page .rx-density-fields{margin-top:16px}
.rr-page .rx-calculator button{font:inherit;font-size:13px;cursor:pointer}
.rr-page .rx-button{padding:9px 14px;border:1px solid var(--ui-line,#414a57);background:var(--ui-button,#252b34);color:var(--rr-ink);font-weight:500;padding-inline:16px;border-radius:7px;font-size:12px;min-height:43px}
.rr-page .rx-button.rx-primary{background:var(--rr-accent);color:var(--ui-on-accent,#241716);border-color:var(--rr-accent);font-weight:600;padding-inline:23px}
.rr-page .rx-button:hover{filter:brightness(1.08)}
.rr-page .rx-button:active{filter:brightness(.9)}
.rr-page .rx-link{min-height:36px;padding:4px 0;background:transparent;border:0;color:var(--rr-accent)}
.rr-page .rx-link:hover{text-decoration:underline}
.rr-page .rx-actions{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:20px}
.rr-page .rx-actions .rx-link{font-size:13px;font-weight:500;color:var(--rr-ink);background:var(--ui-subtle,#22262e);border:1px solid var(--rr-line);border-radius:6px;padding:9px 14px;min-height:40px}
.rr-page .rx-actions .rx-link:hover{border-color:var(--rr-accent);text-decoration:none}
.rr-page #rx-example{border:0;background:transparent;color:var(--rr-accent);font-size:12px;padding:4px}
.rr-page .rx-error{border:1px solid var(--rr-accent);border-radius:6px;padding:10px;font-size:12px;color:var(--rr-ink);margin-top:12px}
.rr-page .rx-notice{border:1px solid var(--rr-accent);border-radius:6px;padding:10px;font-size:12px;color:var(--rr-ink);margin:12px}
.rr-page .rx-results{min-width:0;position:relative;padding:28px 30px;background:var(--ui-results,#171a20);border-left:1px solid var(--rr-line)}
.rr-page .rx-results h2{font-weight:600;font-size:18px;letter-spacing:-.4px;margin:0 0 13px;padding-bottom:17px;border-bottom:1px solid var(--rr-line)}
.rr-page #rx-status{margin-bottom:18px;font-size:12px;color:var(--rr-muted);max-width:300px;line-height:1.8}
.rr-page .rx-result-label{font-size:12px;margin:0;color:var(--rr-muted)}
.rr-page .rx-value{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px;font-size:16px;line-height:1.4;font-weight:600;letter-spacing:-.7px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.rr-page .rx-value>span{min-width:0;max-width:100%}
.rr-page .rx-value-unit{font-size:14px;font-weight:400;color:var(--ui-secondary,#aeb7c5);letter-spacing:0}
.rr-page .rx-accent{color:var(--rr-ink)}
.rr-page .rx-secondary{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:baseline;gap:8px 12px;border-bottom:1px solid var(--rr-line);padding:13px 0;margin-top:8px}
.rr-page .rx-secondary .rx-help{grid-column:1/-1}
.rr-page .rx-secondary .rx-value{justify-content:flex-end;text-align:right}
.rr-page .rx-weight-prompt{border-top:1px solid var(--ui-line,#343b46);padding-top:16px;margin-top:20px}
.rr-page .rx-result-details{margin-top:18px}
.rr-page .rx-result-details summary{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--ui-secondary,#b6c0cf);cursor:pointer;min-height:32px;list-style:none}
.rr-page .rx-result-details summary:after{content:"⌄"}
.rr-page .rx-result-details summary::-webkit-details-marker{display:none}
.rr-page .rx-breakdown{margin:6px 0 0}
.rr-page .rx-breakdown>div{display:flex;justify-content:space-between;font-size:12px;border-bottom:1px solid var(--rr-line);padding:14px 0;gap:16px}
.rr-page .rx-breakdown dt{color:var(--ui-secondary,#a7b2c1)}
.rr-page .rx-breakdown dd{margin:0;text-align:right;overflow-wrap:anywhere;min-width:0;font-size:17px;font-weight:500}
.rr-page #rx-assumptions{white-space:pre-line;overflow-wrap:anywhere}
.rr-page .rx-results .rx-actions{gap:18px;margin-top:14px}
.rr-page #rx-copy-fallback{width:100%;height:16em;resize:none;margin-top:8px;background:var(--ui-input,#111317);color:var(--text,#f3f4f6);border:1px solid var(--ui-line,#414855);border-radius:6px;padding:8px;font:12px/1.5 monospace}
.rr-page .rx-total{display:flex;justify-content:space-between;align-items:baseline;gap:12px;background:var(--ui-accent-soft,#ff786b0b);border:1px solid var(--ui-accent-line,#ff786b45);padding:19px 15px;margin:11px -15px;border-radius:9px}
.rr-page .rx-total .rx-result-label{max-width:52%}
.rr-page .rx-total .rx-value{color:var(--rr-accent);justify-content:flex-end;text-align:right;font-size:27px;letter-spacing:-.8px}
.rr-page .rx-total .rx-value-unit{color:var(--rr-accent);font-size:13px}
.rr-page .rx-total+.rx-help{margin-top:10px}
.rr-page .rx-input:hover{border-color:var(--ui-line,#48515f)}
.rr-page .rx-field>input:hover{border-color:var(--ui-line,#48515f)}
.rr-page .rx-field select:hover{border-color:var(--ui-line,#48515f)}
.rr-page .rx-field>input:focus{border-color:var(--rr-accent)}
.rr-page .rx-field select:focus{border-color:var(--rr-accent)}
.rr-page .rx-options[open]{padding-bottom:13px}
.rr-page .rx-options[open] summary{border-bottom:1px solid var(--rr-line);margin-bottom:12px}
@media (max-width:900px){
.rr-page .rr-explainer{grid-template-columns:minmax(0,1fr) 170px;gap:20px}
.rr-page .rr-reading-body>.rr-panel{padding:23px}
.rr-page .rr-reading-nav{gap:8px}
.rr-page #rx-form{padding:23px}
.rr-page .rx-results{padding:23px}
.rr-page .rx-layout{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
}
@media (max-width:800px){
.rr-page .rx-layout{grid-template-columns:minmax(0,1fr)}
.rr-page #rx-form{padding:23px}
.rr-page .rx-results{padding:23px;border-left:0;border-top:1px solid var(--rr-line)}
.rr-page .rx-total .rx-value{font-size:22px}
}
@media (max-width:760px){
.rr-page .rr-heading{padding:27px 0 120px}
.rr-page .rr-heading h1{font-size:32px}
.rr-page .rr-heading p{max-width:540px}
.rr-page .rr-reading-nav{display:none}
.rr-page .rr-mobile-nav{display:block;margin:20px 0;background:var(--rr-bg);border:1px solid var(--rr-line);border-radius:9px;overflow:hidden}
.rr-page .rr-mobile-nav summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:12px 15px;list-style:none;color:var(--rr-ink);font-size:13px;font-weight:500;cursor:pointer}
.rr-page .rr-mobile-nav summary::-webkit-details-marker{display:none}
.rr-page .rr-mobile-nav summary svg{width:16px;height:16px;flex:none;color:var(--muted,#a6adba)}
.rr-page .rr-mobile-nav[open] summary{border-bottom:1px solid var(--rr-line)}
.rr-page .rr-mobile-nav[open] summary svg{transform:rotate(180deg)}
.rr-page .rr-mobile-nav nav{display:flex;flex-direction:column;padding:5px 15px 7px}
.rr-page .rr-mobile-nav nav a{display:flex;align-items:center;min-height:44px;padding:10px 0;border-bottom:1px solid var(--rr-line);color:var(--rr-muted);font-size:13px;text-decoration:none;line-height:1.5}
.rr-page .rr-mobile-nav nav a:last-child{border-bottom:0}
.rr-page .rr-mobile-nav nav a:hover{color:var(--rr-accent)}
.rr-page .rr-mobile-nav summary:hover{color:var(--rr-accent)}
.rr-page .rr-content-divider{margin-top:29px}
.rr-page .rr-explainer{grid-template-columns:1fr}
.rr-page .rr-diagram{max-width:235px}
.rr-page .rr-reading-body>.rr-panel>h2{font-size:18px}
.rr-page .rr-reading-body>.rr-panel{padding:20px}
}
@media (max-width:480px){
.rr-page .rr-heading h1{font-size:29px}
.rr-page .rr-heading p{font-size:12px}
.rr-page .rr-reading-body>.rr-panel{padding:18px}
.rr-page .rr-reading-body>.rr-panel>h2{font-size:17px;gap:9px}
.rr-page .rr-sources a{overflow-wrap:anywhere}
.rr-page .rx-header{flex-wrap:wrap;gap:12px}
.rr-page .rx-shapes .rx-choice{gap:4px}
.rr-page .rx-shapes .rx-choice label>span{font-size:10px;padding:6px 8px;gap:5px}
.rr-page .rx-measurements[data-shape=rectangle][data-method=volume]{grid-template-columns:repeat(2,minmax(0,1fr))}
.rr-page .rx-measurements[data-shape=rectangle] #rx-depth-field{grid-column:1/-1}
.rr-page .rx-product-row{grid-template-columns:1fr;gap:8px}
.rr-page .rx-options>.rx-grid{grid-template-columns:1fr}
.rr-page .rx-density-fields .rx-grid{grid-template-columns:1fr}
.rr-page .rx-value{font-size:15px}
.rr-page #rx-form{padding:19px}
.rr-page .rx-results{padding:19px}
.rr-page .rx-grid{gap:10px}
.rr-page .rx-header h2{font-size:16px}
.rr-page .rx-total{margin:10px -7px;padding:15px 9px}
.rr-page .rx-total .rx-value{font-size:24px}
}
@media (max-width:420px){
.rr-page{width:calc(100% - 24px)}
}
@media (prefers-reduced-motion:reduce){
.rr-page *{transition:none!important;scroll-behavior:auto!important}
}
@media (forced-colors:active){
.rr-page{scrollbar-color:auto}
.rr-page .rx-total{border-color:Highlight}
.rr-page .rx-choice input:checked+span{outline:1px solid Highlight}
.rr-page .rx-units input:checked+span{outline:1px solid Highlight}
}
@media print{
.rr-page .rr-heading:before{display:none!important}
.rr-page .rr-heading:after{display:none!important}
body.rx-printing>*:not(main){display:none!important}
body.rx-printing main>*:not(.rr-page){display:none!important}
body.rx-printing{background:white!important;color:black!important;display:block}
body.rx-printing main{display:block!important}
.rx-printing .rr-page{width:100%;max-width:none;padding:0;color:black}
.rx-printing .rr-page>*{display:none!important}
.rx-printing .rr-page #rx-print-summary{display:block!important;white-space:pre-wrap;overflow-wrap:anywhere;font:12pt/1.5 Arial,sans-serif;color:black;background:white}
}


/* Related calculators: isolated navigation cards; existing page styles unchanged. */
.calc-related{max-width:1080px;margin:26px auto 0;padding-top:22px;border-top:1px solid var(--border)}
.calc-related .calc-related-heading{display:flex;align-items:center;gap:10px;margin:0 0 15px;font-size:18px;line-height:1.4;font-weight:600;letter-spacing:-.4px;color:var(--text)}
.calc-related-heading:before{content:'';width:4px;height:20px;flex:none;border-radius:3px;background:var(--accent)}
.calc-related-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0}
.calc-related-list>li{display:flex;min-width:0;flex:1 1 220px;margin:0;padding:0}

.calc-related .calc-related-card{display:grid;grid-template-columns:42px minmax(0,1fr);align-items:center;gap:10px;padding:12px;width:100%;min-width:0;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);text-decoration:none;transition:border-color .18s,background-color .18s}
.calc-related .calc-related-card:hover{border-color:var(--accent);background:var(--ui-results,#20252c);text-decoration:none}
.calc-related .calc-related-card:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.calc-related .calc-related-card:active{background:var(--ui-selected,#303640)}
.calc-related-art{display:flex;align-items:center;justify-content:center;min-width:0}
.calc-related-art img{display:block;width:42px;max-width:100%;height:42px;object-fit:contain}
.calc-related-copy{display:grid;grid-template-columns:minmax(0,1fr) 13px;align-items:center;column-gap:8px;row-gap:4px;min-width:0}
.calc-related .calc-related-card .calc-related-title{grid-column:1;font-size:12px;font-weight:500;line-height:1.5;letter-spacing:-.15px;margin:0;color:var(--text);overflow-wrap:break-word}
.calc-related .calc-related-card .calc-related-description{grid-column:1;font-size:11px;line-height:1.55;margin:0;color:var(--muted)}
.calc-related-arrow{display:grid;place-items:center;grid-column:2;grid-row:1 / span 2;align-self:center;width:13px;height:18px;color:var(--accent)}
.calc-related-arrow svg{width:13px;height:13px}
.calc-related-card:hover .calc-related-arrow{color:var(--text)}

@media(max-width:600px){.calc-related{margin-top:22px;padding-top:19px}.calc-related .calc-related-heading{font-size:16px;margin-bottom:12px}.calc-related-list{gap:7px}.calc-related-list>li,.calc-related-list>li:nth-child(n+4){flex-basis:100%}.calc-related .calc-related-card{grid-template-columns:36px minmax(0,1fr);padding:10px;gap:9px}.calc-related-art img{width:36px;height:36px}.calc-related-copy{row-gap:3px}}
@media(prefers-reduced-motion:reduce){.calc-related .calc-related-card{transition:none}}
@media print{.calc-related{display:none!important}}


/* Publisher signature strip: compact attribution, distinct from article panels. */
.calc-publisher{position:relative;display:grid;grid-template-columns:68px minmax(0,1fr);align-items:center;gap:18px;max-width:1080px;margin:25px auto 0;padding:16px 22px 16px 15px;border:0;border-radius:12px;background:linear-gradient(105deg,var(--ui-accent-soft,#ff786b0d),transparent 52%),var(--ui-results,#15181e)}
.calc-publisher:before{content:'';position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;background:var(--accent);opacity:.7}
.calc-publisher-mark{display:grid;place-items:center;width:68px;height:68px;color:var(--accent)}
.calc-publisher-mark svg{display:block;width:68px;height:68px}
.calc-publisher-body{min-width:0}
.calc-publisher-header{display:flex;justify-content:space-between;align-items:center;gap:8px 16px;flex-wrap:wrap}
.calc-publisher-identity{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px}
.calc-publisher .calc-publisher-label{font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.calc-publisher .calc-publisher-name{font-size:14px;font-weight:600;letter-spacing:-.25px;color:var(--text);line-height:1.4}
.calc-publisher-updated{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px;padding:4px 8px;border-radius:5px;background:var(--surface);font-size:10px;line-height:1.5;color:var(--muted)}
.calc-publisher-updated time{color:var(--text);font-variant-numeric:tabular-nums}
.calc-publisher .calc-publisher-description{font-size:11.5px;line-height:1.75;margin:7px 0 0;color:var(--muted)}
.calc-publisher-links{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;margin-top:8px;font-size:11px}
.calc-publisher .calc-publisher-links a{color:var(--accent);text-underline-offset:3px}
.calc-publisher a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
@media(max-width:760px){.calc-publisher{grid-template-columns:52px minmax(0,1fr);gap:12px;padding:15px}.calc-publisher-mark,.calc-publisher-mark svg{width:52px;height:52px}.calc-publisher .calc-publisher-name{font-size:13px}}
@media(max-width:600px){.calc-publisher{grid-template-columns:minmax(0,1fr);gap:0;padding:13px 15px;margin-top:21px}.calc-publisher:before{top:15px;bottom:15px}.calc-publisher-mark{position:absolute;left:10px;top:10px;width:43px;height:43px}.calc-publisher-mark svg{width:43px;height:43px}.calc-publisher-header{padding-left:43px;min-height:40px;gap:5px}.calc-publisher-identity{gap:5px 7px}.calc-publisher .calc-publisher-name{font-size:12px}.calc-publisher .calc-publisher-label{font-size:8px;letter-spacing:.06em}.calc-publisher .calc-publisher-description{font-size:11px;line-height:1.7;margin-top:9px}.calc-publisher-updated{padding:2px 6px;font-size:9px}}
@media(forced-colors:active){.calc-publisher{border:1px solid CanvasText}.calc-publisher:before{background:CanvasText}}
@media print{.calc-publisher{display:none!important}}