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.calculate-button{grid-column:1/-1}.area-block+.area-block{margin-top:16px;padding-top:15px}.form-actions{margin-top:9px;margin-bottom:6px;min-height:28px}.add-area{font-size:11px;min-height:28px}.options{padding-top:3px}.options>summary{font-size:11px;min-height:32px}.options>summary>span{font-size:10px}.options-body{padding-bottom:12px}.option-grid{gap:12px}.option-grid>label{font-size:11px}.result-panel{padding:13px 16px;border-left:0;border-top:1px solid var(--line)}.result-topline .eyebrow{font-size:10px}.unit-stamp{font-size:12px}.main-result{margin-top:2px;gap:10px}.main-result>output{font-size:43px;line-height:1.1}.main-result>span{font-size:11px}.result-status{margin:4px 0 10px;font-size:10px;min-height:15px;line-height:1.5}.secondary-results{padding-bottom:9px;gap:15px;display:flex;justify-content:space-between}.secondary-results>div{display:flex;flex-direction:row;align-items:baseline;gap:6px}.secondary-results output{font-size:15px}.secondary-results span{font-size:10px}.result-drawing{display:none}.working{margin-top:0}.working>summary{padding:8px 0;min-height:29px;font-size:10px}.result-actions{padding-top:6px;gap:22px}.result-actions button{font-size:10px;min-height:24px}.calculator-footnote{font-size:9px;gap:8px;padding-top:8px;line-height:1.5}.calculator-footnote>span:last-child{white-space:nowrap}.section-nav{margin-top:17px;padding-top:18px;padding-bottom:18px;gap:14px 22px;justify-content:start}.section-nav>span{display:none}.section-nav a{font-size:10px}.section-heading{margin-bottom:26px}.section-heading>.eyebrow{font-size:10px;margin-bottom:10px}.section-heading p{font-size:13px}.method-grid{display:flex;flex-direction:column;gap:25px}.method-steps li{gap:16px;margin-bottom:22px}.method-steps li:last-child{margin-bottom:0}.method-steps h3{font-size:15px}.method-steps p{font-size:13px}.worked-example{padding:22px}.worked-example h3{font-size:22px}.formula-strip{display:flex;flex-direction:column;gap:17px;margin-top:26px;padding-top:21px}.formula-strip>.eyebrow{align-self:start}.formula-strip strong{font-size:12px}.definition-grid{display:flex;flex-direction:column-reverse;gap:15px}.definition-copy h2{max-width:14ch}.definition-copy p{font-size:13px}.definition-copy>.eyebrow{font-size:10px}.equivalents{gap:16px;margin:24px 0}.equivalents strong{font-size:22px}.equivalents span{font-size:10px}.cube-visual{max-width:265px}.cube-caption{font-size:11px}.coverage-layout{display:flex;flex-direction:column;gap:30px}.coverage-interactive,.coverage-reference{width:100%}.coverage-interactive{padding:16px}.coverage-controls{gap:8px;grid-template-columns:1.25fr .8fr .8fr}.coverage-controls>label{font-size:10px}.coverage-controls input,.coverage-controls select{font-size:12px;padding-left:8px}.coverage-controls select{padding-right:17px}.coverage-answer-line{margin:18px 0 14px}.coverage-answer-line>output{font-size:42px}.depth-presets{gap:5px}.depth-presets>span{font-size:10px}.depth-presets button{font-size:10px;padding:5px 7px}.footprint-visual{max-width:285px}.coverage-reference h3{font-size:16px}.coverage-reference .small-note{font-size:11px!important}.shape-list article{grid-template-columns:52px 1fr;gap:10px 16px;padding:21px 0}.shape-list article>svg{width:50px;height:43px;align-self:start;margin-top:2px}.shape-list article>div>h3{font-size:15px}.shape-list article>div>p{font-size:12px}.shape-list article>div>span{font-size:11px}.conversion-heading{display:block}.conversion-heading h2{margin-bottom:18px;max-width:17ch}.conversion-heading p{font-size:12px}.converter{grid-template-columns:1fr 1.4fr;gap:12px;padding:16px}.converter>label{font-size:11px}.convert-equal{display:none}.convert-result{grid-column:1/-1;border-top:1px solid var(--line);padding-top:13px;gap:10px}.convert-result output{font-size:32px}.convert-result span{font-size:12px}.conversion-notes{display:block;margin-top:21px}.conversion-notes p{font-size:12px;margin-top:14px}.material-grid{gap:24px 22px}.material-grid h3{font-size:16px}.material-grid p{font-size:12px}.material-index{margin-bottom:12px}.material-grid button{font-size:10px}.planning-section{display:block;padding-top:38px}.planning-section>div>p{max-width:none;font-size:13px}.planning-notes{margin-top:27px}.planning-notes h3{font-size:15px}.planning-notes p{font-size:12px}.faq-section{padding-top:30px}.faq-list summary{font-size:13px;padding-top:18px;padding-bottom:18px}.faq-list details>p{font-size:12px;padding-right:12px}.methodology{display:block;padding-top:27px;padding-bottom:30px}.methodology h2{font-size:15px}.methodology p{font-size:11px}.source-note{margin-top:23px;gap:10px;font-size:11px}.source-note>span:last-child{font-size:10px}.site-footer{display:block;padding-top:24px;padding-bottom:24px}.site-footer .brand img{width:160px}.site-footer>div{gap:12px 22px;margin-top:16px}.site-footer>div>a,.site-footer>div>.text-button{font-size:10px}.site-footer>div>span{margin-left:auto}.field-help{font-size:10px}}
@media(max-width:359px){.shell{padding-left:14px;padding-right:14px}.brand img{width:174px}.calculator-intro{padding-top:17px;padding-bottom:12px}.intro-heading h1{font-size:26px}#yard-form{padding:13px 12px 7px}.result-panel{padding-left:12px;padding-right:12px}.area-block{gap:9px}.calculate-button{font-size:11px;gap:3px}.calculate-button svg{width:14px}.options>summary>span{display:none}.calculator-footnote{font-size:8px}.equivalents{gap:10px}.equivalents strong{font-size:20px}.equivalents span{font-size:9px}.coverage-interactive{padding:12px}.depth-presets{gap:4px}.depth-presets>span{width:100%}.material-grid{grid-template-columns:1fr}.site-footer>div>span{width:100%;margin:0}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
@media print{.site-header nav,.section-nav,.form-actions,.options,.result-actions,.text-button,.site-footer,#privacy-dialog{display:none!important}.section{padding-top:25px;padding-bottom:25px}.calculator-shell{display:grid;grid-template-columns:1fr 1fr}.result-panel{border-left:1px solid var(--line)}.result-drawing{display:none}.working{display:block}.working>div{display:block!important}.faq-list details>p{display:block!important}body{font-size:11px}.shell{max-width:none}.brand img{width:160px}.definition-section,.conversion-section{background:none}}

@media(max-width:700px){.calculator-footnote{font-size:10px}.equivalents span{font-size:10px}.faq-list details>p{font-size:14px}.method-steps p,.definition-copy p{font-size:14px}.planning-notes p,.material-grid p{font-size:13px}.footprint-visual>span{font-size:11px}}

.mobile-result-summary{display:none}
@media(max-width:700px){.mobile-result-summary{display:block;margin:14px 0 4px;padding:12px 14px;background:var(--paper);border-radius:5px}.mobile-result-summary>.eyebrow{font-size:10px;color:var(--muted)}.mobile-result-summary>div{display:flex;align-items:baseline;gap:10px;margin-top:3px}.mobile-result-summary output{font-size:42px;line-height:1.1;font-weight:600;letter-spacing:-.06em;color:var(--blue);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.mobile-result-summary>div>span{font-size:11px;color:var(--muted)}.mobile-result-summary>p{font-size:10px;line-height:1.5;color:var(--muted);margin:5px 0 0}.result-panel>.result-topline,.result-panel>.main-result,.result-panel>.result-status{display:none}.result-panel{padding-top:11px}}
@media(pointer:coarse){.text-button,.result-actions button,.add-area,.depth-presets button{min-height:44px}.site-header nav a,.radius-toggle,.options>summary,.working>summary{min-height:44px}.depth-presets button{min-width:40px}}

/* The working area stays compact. The drawing uses actual geometry rather
   than a decorative fixed block, with measurements kept in readable text. */
.shape-label{position:relative;display:block}
.shape-select{padding-left:40px;font-weight:550;background:var(--white);border-color:var(--control)}
.shape-icon{position:absolute;z-index:1;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;pointer-events:none;fill:var(--soft);stroke:var(--blue);stroke-width:1.5;stroke-linejoin:round}
.measure-control:focus-within{outline:2px solid var(--blue);outline-offset:2px;border-radius:5px}
.measure-control input:focus-visible,.measure-control select:focus-visible{outline:none}
.measure-control input[aria-invalid=true]{box-shadow:inset 0 0 0 1px var(--error)}
.area-subtotal{font-size:12px;font-weight:600;color:var(--blue);margin-left:auto;margin-right:16px;font-variant-numeric:tabular-nums}
.result-panel{padding-top:22px}
.main-result>output{letter-spacing:-.065em}
.result-panel[data-state=empty] .main-result>output{color:var(--muted)}
.secondary-results output{font-weight:600;font-variant-numeric:tabular-nums}
.space-preview{margin:15px 0 5px;padding:12px 14px 11px;background:var(--white);border:1px solid var(--line);border-radius:7px;min-width:0}
.preview-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}
.preview-heading>.eyebrow{font-size:10px;color:var(--muted);letter-spacing:.08em}
.view-switch{display:flex;gap:2px;padding:2px;background:var(--paper);border-radius:5px}
.view-switch button{border:0;border-radius:3px;background:transparent;color:var(--muted);font-size:11px;font-weight:600;min-width:38px;min-height:28px;padding:3px 8px}
.view-switch button[aria-pressed=true]{background:var(--white);color:var(--blue);box-shadow:0 1px 3px #17243816}
.preview-area-label{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:11px;color:var(--muted)}
.preview-area-label>span{white-space:nowrap}
.preview-area-label select{height:36px;font-size:12px;padding:5px 22px 5px 9px;border-color:var(--line)}
.live-diagram{display:block;width:100%;height:148px;margin:2px auto 0;overflow:visible}
.live-diagram path{stroke:var(--blue);stroke-width:1.25;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.diagram-top{fill:#edf3ff}
.diagram-side{fill:#c5d6fa}
.diagram-inner{fill:#a9c1f3}
.live-diagram .diagram-guide{fill:none;stroke:#8ca4d3;stroke-width:1;stroke-dasharray:3 4}
.live-diagram .diagram-depth{fill:none;stroke:#8ca4d3;stroke-width:1}
.diagram-depth-label{fill:var(--muted);font-family:Manrope,sans-serif;font-size:11px}
.space-preview[data-state=empty] .diagram-top{fill:#f7f9fd}
.space-preview[data-state=empty] .diagram-side,.space-preview[data-state=empty] .diagram-inner{fill:#e8eef9}
.space-preview[data-state=empty] .live-diagram path{stroke:#90a5cc}
.preview-shape-line{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:11px;line-height:1.5}
.preview-shape-line strong{font-weight:600}
.preview-shape-line>span{color:var(--blue);font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.preview-measurements{display:grid;grid-template-columns:repeat(auto-fit,minmax(65px,1fr));gap:8px;margin:10px 0 0;padding-top:9px;border-top:1px solid var(--line)}
.preview-measurements>div{min-width:0}
.preview-measurements dt{font-size:10px;color:var(--muted);line-height:1.5}
.preview-measurements dd{font-size:12px;font-weight:600;line-height:1.5;margin:2px 0 0;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.space-preview figcaption>p{font-size:10px;line-height:1.6;color:var(--muted);margin:8px 0 0}
.result-actions{gap:9px;border-top:0;padding-top:10px}
.result-actions button{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex:1;border:1px solid #c4d2e9;border-radius:5px;background:var(--white);min-height:38px;padding:7px 8px;font-size:11px;text-decoration:none}
.result-actions button:enabled:hover{border-color:var(--blue);background:#edf3ff;text-decoration:none}
.result-actions button:disabled{opacity:.6}
.result-actions svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.mobile-result-summary>.mobile-order-summary{display:flex;align-items:baseline;justify-content:space-between;gap:10px;border-top:1px solid #cfddf6;margin-top:9px;padding-top:7px}
.mobile-order-summary>span{font-size:11px;color:var(--muted)}
.mobile-order-summary>strong{font-size:16px;color:var(--blue);font-variant-numeric:tabular-nums}
@media(min-width:701px){.main-result>output{font-size:clamp(44px,4.8vw,62px)}.result-status{font-size:11px}.section-nav{gap:22px}}
@media(max-width:700px){.shape-select{height:40px;font-size:13px}.space-preview{padding:11px 13px;margin-top:13px}.live-diagram{height:144px}.preview-measurements{grid-template-columns:repeat(auto-fit,minmax(68px,1fr))}.preview-shape-line{font-size:12px}.space-preview figcaption>p{font-size:11px}.preview-measurements dt{font-size:11px}.preview-measurements dd{font-size:13px}.view-switch button{min-height:32px}.result-actions{padding-top:11px}.result-actions button{font-size:12px;min-height:40px}.working>summary{font-size:12px;padding-top:12px;padding-bottom:12px}.secondary-results output{font-size:17px}.mobile-result-summary>p{font-size:11px}.section-nav a{font-size:11px}.result-panel{padding-top:13px}.area-subtotal{font-size:11px}.calculator-footnote{font-size:10px}}
@media(pointer:coarse){.view-switch button{min-height:40px;min-width:44px}.result-actions button{min-height:44px}.preview-area-label select{min-height:44px}}
@media print{.view-switch,.preview-area-label{display:none}.space-preview{break-inside:avoid}}

.converter{grid-template-columns:1fr 1.15fr 1.15fr 36px 1.2fr}
@media(min-width:701px) and (max-width:900px){.converter{grid-template-columns:repeat(3,minmax(0,1fr))}.convert-equal{display:none}.convert-result{grid-column:1/-1;border-top:1px solid var(--line);padding-top:12px}}
@media(max-width:700px){.converter{grid-template-columns:repeat(2,minmax(0,1fr))}.converter>label:first-child{grid-column:1/-1}.convert-result{grid-column:1/-1}}