.breadcrumbs{font-size:12px;color:var(--muted);padding-top:16px}.breadcrumbs a{text-decoration:none}.tool-heading{padding:14px 0 20px;max-width:900px}.tool-heading p{margin-top:10px;max-width:760px;color:var(--muted);font-size:14px;line-height:1.6}.tool-board{display:grid;gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;align-items:start}.tool-form{padding:16px;min-width:0}.tool-toolbar{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px}.tool-toolbar small{max-width:190px;font-size:11px;line-height:1.6;color:var(--muted)}.unit-switch{display:flex;flex-shrink:0;border:1px solid var(--line);border-radius:5px;overflow:hidden}.unit-switch button{padding:8px 12px;background:white;font-size:12px}.unit-switch button[aria-pressed=true]{background:var(--graphite);color:white}.tool-group{border:0;border-top:1px solid var(--line);padding:12px 0}.tool-group summary{display:flex;justify-content:space-between;gap:15px;font-size:13px;font-weight:600;cursor:pointer;line-height:1.6;list-style:none}.tool-group summary::-webkit-details-marker{display:none}.tool-group summary span{font-size:16px;font-weight:400}.tool-field-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 12px;padding-top:14px}.tool-field{min-width:0}.tool-field label{display:block;font-size:12px;line-height:1.5;margin-bottom:7px}.tool-field input,.tool-field select,.import-wall select{width:100%;min-height:46px;border:1px solid #7D8B8F;border-radius:5px;background:white;font-size:16px;padding:10px 12px}.tool-field .input-wrap{position:relative}.tool-field input{padding-right:45px}.tool-field .input-suffix{position:absolute;right:10px;top:11px;font-size:12px;color:var(--muted)}.tool-field small,.field-help{display:block;font-size:11px;line-height:1.6;color:var(--muted);margin-top:7px}.wide-field{grid-column:1/-1}.tool-form .primary-button{width:100%;justify-content:center;margin-top:8px}.tool-output-panel{padding:20px;background:var(--green-tint);min-width:0;border-top:1px solid var(--line)}.tool-primary{border-bottom:1px solid #D4E0D8;padding-bottom:18px;margin-bottom:10px}.tool-primary span{font-size:12px;display:block;line-height:1.6}.tool-primary strong{font-size:clamp(25px,5vw,36px);font-weight:600;display:block;line-height:1.4;word-break:break-word;margin-top:5px}.tool-breakdown{margin:0;font-size:12px}.tool-breakdown>div{display:flex;gap:15px;justify-content:space-between;border-bottom:1px solid #DFE8E1;padding:9px 0}.tool-breakdown dt{line-height:1.6;max-width:68%}.tool-breakdown dd{margin:0;text-align:right;font-weight:600;line-height:1.6;overflow-wrap:anywhere}.tool-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.tool-actions button{background:white;border:1px solid #BDCEC2;border-radius:4px;padding:8px 11px;font-size:12px}.tool-figure{margin-top:18px}.tool-figure svg{width:100%;height:auto;display:block}.tool-figure figcaption{font-size:11px;color:var(--muted);line-height:1.7;margin-top:7px}.tool-error{background:#FFF1ED;color:#8B2E22;padding:12px;margin-top:12px;font-size:13px;border-left:3px solid #B64B2C}.import-notice{padding:14px 16px;border-left:3px solid var(--green);background:var(--green-tint);font-size:13px;margin-bottom:16px}.opening-row{margin:14px 0;border:1px solid var(--line);padding:12px;border-radius:4px}.opening-row legend{font-size:12px;font-weight:600;padding:0 5px}.tool-status{font-size:12px;line-height:1.6;margin-top:10px}.copy-fallback{width:100%;min-height:180px;margin-top:10px;font-size:13px}.tool-limit{font-size:12px;line-height:1.7;color:var(--muted);margin:14px 0}.tool-content{display:grid;gap:36px;padding-top:36px}.article-main{min-width:0}.article-main section{padding:27px 0;border-bottom:1px solid var(--line);scroll-margin-top:20px}.article-main section:first-child{padding-top:0}.article-main h2{font-size:23px;margin-bottom:14px}.article-main h3{margin:20px 0 9px}.article-main p,.article-main li{font-size:14px;line-height:1.9}.article-main ul,.article-main ol{padding-left:22px}.article-main a,.quick-answer a{color:var(--clay-dark)}.article-main table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.7;margin:20px 0;display:block;overflow-x:auto;max-width:100%}.article-main caption{text-align:left;font-weight:600;padding-bottom:10px}.article-main th,.article-main td{padding:12px 14px;border:1px solid var(--line);text-align:left;min-width:100px}.article-main th{background:var(--green-tint)}.quick-answer{background:var(--clay-tint);border-left:3px solid var(--clay);padding:22px;font-size:14px;line-height:1.9;margin-bottom:25px}.quick-answer strong{display:block;font-size:11px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:7px}.article-faq details{border-bottom:1px solid var(--line);padding:15px 0}.article-faq summary{font-size:14px;font-weight:600;cursor:pointer;line-height:1.7}.article-faq details p{padding:12px 0 0}.source-list{font-size:12px;line-height:1.8}.source-list li{margin-bottom:16px}.source-list small{display:block;color:var(--muted)}.related-pages{padding:35px 0;margin-top:20px}.related-pages h2{font-size:23px;margin-bottom:16px}.related-grid,.directory-grid{display:grid;gap:12px}.related-card{border:1px solid var(--line);border-radius:5px;padding:18px;text-decoration:none;font-size:14px;font-weight:600;display:flex;justify-content:space-between;gap:20px;align-items:center}.related-card:hover{border-color:var(--clay);background:var(--clay-tint)}.directory-section{padding:42px 0}.directory-section h2{font-size:24px;margin-bottom:12px}.directory-section>p{font-size:14px;color:var(--muted);max-width:780px;margin-bottom:22px}.directory-grid h3{font-size:14px;margin-bottom:6px}.directory-grid p{font-size:12px;color:var(--muted);line-height:1.8;font-weight:400}.directory-grid .related-card{display:block}.import-wall{margin-bottom:12px}.import-wall label{font-size:12px;display:block;margin-bottom:6px}.article-intro{max-width:850px}.guide-visual{margin-bottom:30px}.guide-visual svg{width:100%;max-height:270px}.tool-cost-link{display:inline-block;color:var(--green);font-size:13px;font-weight:600;margin-top:15px}.tool-cost-link:not([href]){pointer-events:none;color:var(--muted)}
@media(min-width:620px){.related-grid,.directory-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tool-form{padding:24px}.tool-output-panel{padding:24px}.tool-heading{padding-top:20px}}
@media(min-width:900px){.tool-board{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}.tool-output-panel{border-top:0;border-left:1px solid var(--line);height:100%}.tool-content{grid-template-columns:minmax(0,1fr) 230px;gap:60px}.related-grid,.directory-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.tool-heading h1{font-size:32px}.article-main{max-width:850px}}
@media(max-width:400px){.tool-field-grid{gap:12px 8px}.tool-form,.tool-output-panel{padding:14px}.tool-heading{padding-bottom:14px}.tool-toolbar small{max-width:165px}.tool-field label{font-size:11px}}
@media print{.site-header,.site-footer,.page-index,.tool-actions,.related-pages,.tool-form,.breadcrumbs,.tool-heading p,.directory-section{display:none!important}.tool-board,.tool-content{display:block;border:0}.tool-output-panel{background:white;border:0;padding:0}.tool-breakdown{font-size:11px}.article-main section{break-inside:avoid}.article-faq details:not([open])>p{display:block}.tool-figure svg{max-height:180px}.tool-status{display:none}}
.handoff-links{border-top:1px solid #CEDCD2;margin-top:20px;padding-top:12px}.handoff-links p{font-size:12px;margin-bottom:8px}.handoff-links a{display:inline-block;font-size:12px;margin:4px 12px 4px 0;color:var(--green)}
.tool-print-inputs{border-top:1px solid #CEDCD2;padding-top:12px;margin-top:15px}.tool-print-inputs summary{font-size:12px;cursor:pointer;font-weight:600}.tool-print-inputs .tool-breakdown{margin-top:10px}@media print{.tool-print-inputs>dl{display:block!important}.tool-print-inputs summary{font-size:14px;margin-bottom:10px}}
/* Shared navigation and article layouts use separate component names. */
.site-header{position:relative;z-index:20}.desktop-nav{align-items:center}.tools-menu summary{cursor:pointer;display:flex;align-items:center;gap:8px;list-style:none;font-size:12px;font-weight:500}.tools-menu summary::-webkit-details-marker{display:none}.menu-chevron{width:6px;height:6px;border:solid currentColor;border-width:0 1px 1px 0;transform:rotate(45deg);margin-top:-3px}.tools-menu[open] .menu-chevron{transform:rotate(225deg);margin-top:3px}.tool-menu-panel{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:min(980px,calc(100vw - 36px));max-height:calc(100dvh - 90px);overflow:auto;background:white;border:1px solid var(--line);border-top:3px solid var(--clay);padding:22px;box-shadow:0 10px 28px #26343816}.tool-menu-panel>a{display:inline-block;color:var(--clay-dark);font-weight:600;margin-bottom:20px}.nav-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.nav-tool-group p{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;margin-bottom:8px}.nav-tool-group a{display:block;font-size:12px;line-height:1.6;padding:7px 0;text-decoration:none;font-weight:400}.nav-tool-group a[aria-current=page]{color:var(--clay-dark);font-weight:600}.desktop-nav>a[aria-current=page]{color:var(--clay-dark);text-decoration:underline;text-underline-offset:6px}.mobile-tool-group{border-top:1px solid var(--line);padding:12px 0}.mobile-tool-group summary{font-size:13px;font-weight:600;cursor:pointer}.mobile-tool-group a{font-size:12px;padding:8px 10px!important}.mobile-nav{max-height:calc(100dvh - 68px);overflow:auto}.mobile-nav [aria-current=page]{color:var(--clay-dark);font-weight:600}.calculator-directory-group{padding-top:24px}.calculator-directory-group>h3{font-size:16px;margin-bottom:14px}.directory-grid .related-card>strong{display:block;font-size:14px;margin-bottom:7px}.article-index{display:block;align-self:start;border-top:2px solid var(--graphite);padding-top:16px;font-size:12px}.article-index h2{font-size:14px;margin-bottom:12px}.article-index a{display:block;padding:8px 0;color:var(--muted);text-decoration:none;line-height:1.7}.article-index a:hover{color:var(--clay-dark)}.maintained-by{font-size:11px!important;color:var(--muted);margin:14px 0 26px}.utility-content{max-width:1040px}.utility-content .article-main{max-width:740px}.method-image{margin:22px 0}.method-image img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:4px;background:white}.method-image figcaption{font-size:11px;color:var(--muted);line-height:1.7;margin-top:8px}.dimension-reference-image{margin:20px 0}.dimension-reference-image img{display:block;width:100%;height:auto;max-height:240px}.tool-mobile-total{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--clay-tint);line-height:1.4}.tool-mobile-total span{font-size:11px;max-width:62%}.tool-mobile-total strong{font-size:22px;font-weight:600}.result-assumptions{font-size:11px;line-height:1.7;margin-bottom:16px;border-bottom:1px solid #D4E0D8;padding-bottom:14px}.result-assumptions p+p{margin-top:7px}.result-assumptions .text-button{font-size:11px;margin-top:8px}.product-assumption{color:var(--muted)}.tool-field label{display:flex;justify-content:space-between;align-items:start;gap:7px}.tool-field label>span:first-child{min-width:0}.value-origin{font-size:9px;font-weight:500;line-height:1.5;color:#7A492E;flex-shrink:0;padding:1px 5px;background:#FFF6ED;border-radius:2px}.tool-field [aria-invalid=true]{border:2px solid var(--red);background:#FFF8F6}.schedule-row{margin:15px 0;border:1px solid var(--line);border-radius:5px;padding:12px;min-inline-size:0}.schedule-row legend{font-size:12px;font-weight:600;padding:0 5px}.schedule-editor .secondary-button{margin:6px 8px 4px 0;font-size:12px}.schedule-line{margin-top:12px;border:1px solid var(--line);border-radius:5px;padding:11px}.schedule-line>summary{font-size:12px;font-weight:500;line-height:1.6}.schedule-line .schedule-row{border:0;margin:0;padding:10px 0 0}.schedule-line .schedule-row legend{display:none}.calculation-working{margin-top:18px;border-top:1px solid #CEDCD2;padding-top:12px;font-size:12px}.calculation-working summary{font-weight:600;cursor:pointer}.calculation-working li{line-height:1.8;margin-bottom:9px;overflow-wrap:anywhere}.calculation-working ol{padding-left:20px}.calculation-working>p{font-size:11px;color:var(--muted);line-height:1.7}.calculation-working>a{display:inline-block;margin-top:10px;color:var(--green)}.not-found-contact{margin:30px 0 55px;font-size:14px}.tool-limit{max-width:68ch}.tool-heading .intro-copy{font-size:14px}
@media(max-width:1023px){.mobile-nav:not([hidden]){display:block}.site-header .desktop-nav{display:none!important}.site-header .menu-toggle{display:flex!important}}
@media(min-width:900px){.article-index{position:static}.tool-mobile-total{display:none}.tool-form{grid-column:1}.tool-output-panel{grid-column:2}.utility-content{grid-template-columns:minmax(0,1fr) 220px;gap:50px}}
@media(min-width:1024px){.site-header .desktop-nav{display:flex!important;gap:22px}.site-header .menu-toggle{display:none!important}}
@media(max-width:620px){.tool-field-grid{gap:12px 10px}.schedule-row{padding:10px}.tool-field select{font-size:14px}.article-index{margin:0 0 15px}.tool-content{gap:25px}.value-origin{font-size:9px}.maintained-by{margin-bottom:22px}.tool-heading h1{font-size:25px}.tool-heading{padding-top:12px}.tool-heading p{font-size:13px}.breadcrumbs{padding-top:12px;font-size:11px}.result-assumptions{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms!important;transition-duration:.01ms!important}}
@media print{.article-index,.tool-mobile-total,.result-assumptions button,.next-estimate-links,.tools-menu,.method-image{display:none!important}.calculation-working>ol,.calculation-working>p,.tool-print-inputs>dl{display:block!important}.calculation-working summary{font-size:14px}.result-assumptions{font-size:10px}.maintained-by{font-size:10px!important}.tool-output-panel{width:100%;border:0}.tool-content{display:block}}