.tool-page{--tool-ink: var(--color-text-primary);--tool-text: var(--color-text-secondary);--tool-muted: var(--color-text-muted);--tool-line: var(--color-border);--tool-line-strong: var(--border-strong);--tool-result: #edf3fc;--tool-result-line: #b7cceb;--tool-result-accent: var(--color-accent)}.tool-page #main-content{background:var(--color-bg-secondary)}.tool-page .tool-wrapper{width:100%;max-width:var(--max-width-shell);padding:var(--space-6) var(--space-6) var(--section-space)}.tool-page .breadcrumb{margin-bottom:var(--space-5);padding-top:0}.tool-page .tool-title{max-width:30ch;font-size:clamp(1.8rem,3.2vw,2.7rem);font-weight:750;line-height:1.12;letter-spacing:-.04em;text-wrap:balance}.tool-introduction{margin:var(--space-3) 0 var(--space-6);max-width:78ch}.tool-introduction summary{display:inline-flex;align-items:center;gap:var(--space-2);min-height:44px;color:var(--color-text-secondary);font-size:var(--text-sm);cursor:pointer}.tool-introduction summary:before{content:"+";color:var(--color-accent);font-size:var(--text-lg)}.tool-introduction[open] summary:before{content:"−"}.tool-page .tool-description{max-width:78ch;margin-bottom:var(--space-6);font-size:1rem;line-height:1.6}.tool-page .wb .tool-card{padding:var(--space-8);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);margin-bottom:var(--space-8)}.tool-page .wb .calc-product{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);grid-template-rows:auto auto auto;gap:0 var(--space-8);align-items:start}.tool-page .wb .calc-product-head{grid-column:1 / -1;margin:0 0 var(--space-6);padding-bottom:var(--space-5)}.tool-page .wb .calc-product-title{font-size:var(--text-xl);letter-spacing:-.025em}.tool-page .wb .calc-product-copy{max-width:80ch;font-size:var(--text-sm)}.tool-page .wb .calc-quick-badge{padding:0;background:transparent;color:var(--color-text-muted);border-radius:0;letter-spacing:.08em}.tool-page .wb .calc-inputs{grid-column:1;grid-row:2;min-width:0}.tool-page .wb .calc-options{grid-column:1;grid-row:3;min-width:0}.tool-page .wb .calc-output{grid-column:2;grid-row:2 / 4;min-width:0;position:sticky;top:calc(var(--header-h) + var(--space-5))}.tool-page .wb .calc-output:has(.material-project),.tool-page .wb .calc-output:has(.lighting-plan){position:static}.tool-page .wb .calc-utility-row{justify-content:flex-start;margin:0 0 var(--space-5)}.tool-page .wb .calc-utility-row .field{flex:1 1 auto;margin-bottom:0}#main-content .wb .calc-inputs .calc-group,#main-content .wb .calc-inputs .linear-panel,#main-content .wb .calc-inputs .material-mode-panel,#main-content .wb .calc-inputs .lighting-mode-panel{margin:0 0 var(--space-5);padding:0 0 var(--space-5);background:transparent;border:0;border-bottom:1px solid var(--color-border);border-radius:0;box-shadow:none}.tool-page .wb .calc-group>.calc-group-label,.tool-page .wb .calc-group>legend,.tool-page .wb .calc-group-label{font-size:var(--text-sm);letter-spacing:0;text-transform:none;margin-bottom:var(--space-4)}.tool-page .wb .input-grid{gap:var(--space-4);margin-bottom:var(--space-4)}.tool-page .wb .input-grid>.field{margin-bottom:0}.tool-page .wb .input,.tool-page .wb .select{height:48px;color:var(--color-text-primary);background-color:var(--color-bg);border:1px solid var(--border-strong);border-radius:var(--radius-md);box-shadow:none}.tool-page .wb .input:hover,.tool-page .wb .select:hover{border-color:var(--color-text-primary)}.tool-page .wb .input:focus,.tool-page .wb .select:focus{border-color:var(--color-accent);box-shadow:var(--focus-ring)}.tool-page .wb .input[aria-invalid=true],.tool-page .wb .select[aria-invalid=true]{border-color:var(--color-error)}.tool-page .wb .input-grid .field-label{min-height:40px;flex-wrap:nowrap;align-items:start;line-height:1.35}.tool-page .wb .input-grid .field-label>span:not(.field-unit){min-width:0}.tool-page .wb .field-label{font-size:var(--text-sm);font-weight:650;color:var(--color-text-secondary)}.tool-page .wb .field-unit{display:inline-flex;flex:none;padding:1px 6px;color:var(--color-text-secondary);background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--text-xs)}.tool-page .wb .field-unit:empty{display:none}.tool-page .wb .field-hint{color:var(--color-text-secondary);font-size:var(--text-xs);line-height:1.5}.tool-page .wb .calc-customize{margin:0;padding:var(--space-4);background:var(--color-bg-secondary);border-color:var(--color-border);border-radius:var(--radius-md);box-shadow:none}.tool-page .wb .calc-customize:hover{border-color:var(--color-accent)}.tool-page .wb .calc-customize-copy strong{font-size:var(--text-sm)}.tool-page .wb .calc-advanced-region{background:var(--color-bg-secondary);padding:var(--space-4)}.tool-page .wb .calc-output #results-title{margin:0 0 var(--space-3)!important;font-size:var(--text-sm);color:var(--color-text-secondary);font-weight:650;letter-spacing:.06em;text-transform:uppercase}.tool-page .wb .result-section{margin:0;padding:var(--space-6);background:var(--tool-result);border:1px solid var(--tool-result-line);border-top:3px solid var(--color-accent);border-radius:var(--radius-lg);box-shadow:none}.tool-page .wb .result-label{color:var(--color-accent);font-size:var(--text-xs);font-weight:700;letter-spacing:.06em}.tool-page .wb .result-primary{display:inline;color:var(--color-text-primary);font:650 clamp(2rem,4vw,3rem)/1.2 var(--font-mono);letter-spacing:-.06em;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.tool-page .wb .result-unit{font-size:1rem;color:var(--color-text-secondary)}.tool-page .wb .result-secondary{color:var(--color-text-secondary);font-size:var(--text-sm);line-height:1.6}.tool-page .wb .result-item-value{font-variant-numeric:tabular-nums}.tool-page .wb .result-actions{flex-wrap:wrap}.tool-page .wb .result-actions .btn{min-height:44px;height:auto;white-space:normal}.tool-page .wb .calc-result-details>summary{font-size:var(--text-sm)}.tool-page .wb .calc-output .wb-error{margin-top:0;background:var(--color-error-bg)}.tool-page .wb .calc-output .wb-error:not([hidden])~.result-section{opacity:.65}.tool-page .tool-page-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(200px,260px);grid-template-areas:"content sidebar";align-items:start;gap:var(--space-8)}.tool-page .tool-page-content{grid-area:content;min-width:0;color:var(--color-text-secondary)}.tool-page .tool-page-content>h2{margin:var(--space-10) 0 var(--space-4);font-size:var(--text-2xl);line-height:1.25;letter-spacing:-.025em;color:var(--color-text-primary)}.tool-page .tool-page-content>h3{margin:var(--space-6) 0 var(--space-3);font-size:var(--text-xl)}.tool-page .tool-page-content>p{max-width:var(--content-measure);margin-bottom:var(--space-5);line-height:1.75}.tool-page .tool-page-content>ul,.tool-page .tool-page-content>ol{padding-left:var(--space-6);margin-bottom:var(--space-5);line-height:1.75}.tool-page .tool-page-content>section{margin:var(--space-8) 0}.tool-page .tool-page-content>.divider{display:none}.tool-page .section-title{color:var(--color-text-primary);font-weight:700;letter-spacing:-.02em}.tool-page .wb .wb-table,.tool-page .wb .calc-deep-results{background:var(--color-bg)}.tool-page .wb .wb-report-header{background:var(--color-accent-light)}.tool-page .article-table-wrap{max-width:100%;overflow-x:auto;margin:var(--space-6) 0;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md)}.tool-page .article-table-wrap table{width:100%;border-collapse:collapse}.tool-page .tool-page-content pre{max-width:100%;overflow-x:auto;margin:var(--space-6) 0;padding:var(--space-5);background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);font:var(--text-sm)/1.7 var(--font-mono)}.tool-page .formula-block{background:var(--color-bg);border-color:var(--color-border);border-left-color:var(--color-accent)}.tool-page .article-sidebar{grid-area:sidebar;position:sticky;top:calc(var(--header-h) + var(--space-5));min-width:0}.tool-page .article-toc-card{border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg);overflow:hidden}.tool-page .article-toc{display:flex;flex-direction:column;gap:var(--space-1);padding:var(--space-4);max-height:calc(100dvh - var(--header-h) - 64px);overflow-y:auto;overscroll-behavior:contain}.tool-page .article-toc-title{margin-bottom:var(--space-3);color:var(--color-text-muted);font-size:var(--text-xs);font-weight:650;letter-spacing:.08em;text-transform:uppercase}.tool-page .article-toc a{flex:none;padding:var(--space-2);border-left:2px solid transparent;color:var(--color-text-secondary);font-size:var(--text-sm)!important;line-height:1.4;overflow-wrap:anywhere}.tool-page .article-toc a:hover,.tool-page .article-toc a.is-active{background:var(--color-accent-light);border-left-color:var(--color-accent);color:var(--color-accent);text-decoration:none}.tool-page .article-toc-toggle{display:none}.tool-page [id]{scroll-margin-top:calc(var(--header-h) + var(--space-5))}.tool-page .heading-anchor{margin-left:var(--space-2);color:var(--color-text-muted);opacity:0}.tool-page h2:hover .heading-anchor,.tool-page h3:hover .heading-anchor,.tool-page .heading-anchor:focus{opacity:1}@media(max-width:900px){.tool-page .tool-page-layout{grid-template-columns:1fr;grid-template-areas:"sidebar" "content";gap:var(--space-6)}.tool-page .article-sidebar{position:static}.tool-page .article-toc-toggle{display:flex;width:100%;align-items:center;justify-content:space-between;min-height:48px;padding:var(--space-3) var(--space-4);border:0;background:var(--color-bg);color:var(--color-text-primary);font:inherit;font-weight:650;cursor:pointer}.tool-page .article-toc{display:none;max-height:none}.tool-page .article-toc.is-open{display:flex}.tool-page .article-toc-title{display:none}}@media(max-width:760px){.tool-page .wb .calc-product{display:block}.tool-page .wb .calc-output{position:static;margin-bottom:var(--space-6)}.tool-page .wb .tool-card{padding:var(--space-4)}.tool-page .wb .calc-product-head{margin-bottom:var(--space-5);padding-bottom:var(--space-4)}.tool-page .wb .calc-product-copy{font-size:var(--text-xs);line-height:1.6}.tool-page .wb .result-section{padding:var(--space-5)}.tool-page .wb .result-primary{font-size:clamp(1.8rem,8vw,2.6rem)}}@media(max-width:640px){.tool-page .tool-wrapper{padding:var(--space-5) var(--space-4) var(--space-12)}.tool-page .wb .input-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4)}.tool-page .wb .input-grid .field-label{min-height:40px;flex-wrap:nowrap;align-items:start}.tool-page .wb .input-grid .field-label>span:not(.field-unit){min-width:0}.tool-page .wb .calc-options .input-grid{grid-template-columns:1fr}.tool-page .heading-anchor{display:none}}@media print{.tool-page #main-content{background:#fff}.tool-page .wb .calc-product{display:block}.tool-page .wb .calc-output{position:static}.tool-page .article-sidebar{display:none}}.slider-sync{display:flex;align-items:center;gap:var(--space-4)}.range-input{flex:1;-webkit-appearance:none;appearance:none;height:4px;border-radius:var(--radius-full);background:var(--color-bg-tertiary);outline:none;cursor:pointer}.range-input::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--color-accent);border:3px solid var(--color-bg);box-shadow:var(--shadow-sm);cursor:pointer;transition:transform var(--transition-fast)}.range-input::-webkit-slider-thumb:hover{transform:scale(1.1)}.range-input::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--color-accent);border:3px solid var(--color-bg);box-shadow:var(--shadow-sm);cursor:pointer;transition:transform var(--transition-fast)}.range-input::-moz-range-thumb:hover{transform:scale(1.1)}.range-input::-moz-range-track{height:4px;border-radius:var(--radius-full);background:var(--color-bg-tertiary)}.range-input:focus-visible{box-shadow:var(--shadow-focus);border-radius:var(--radius-full)}.range-number{width:84px;flex-shrink:0;text-align:center;padding:0 var(--space-2)}@media(max-width:640px){.slider-sync{gap:var(--space-3)}.range-number{width:72px}}.compare-chart{display:flex;flex-direction:column;gap:var(--space-3)}.compare-chart-row{display:grid;grid-template-columns:96px 1fr auto;align-items:center;gap:var(--space-3)}.compare-chart-label{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.compare-chart-track{height:12px;border-radius:var(--radius-full);background:var(--color-bg-tertiary);overflow:hidden}.compare-chart-fill{height:100%;border-radius:var(--radius-full);background:var(--color-accent);transition:width var(--transition-normal)}.compare-chart-value{font-size:var(--text-sm);font-weight:var(--font-semibold);color:var(--color-text-primary);white-space:nowrap;text-align:right}.compare-chart-unit{font-size:var(--text-xs);font-weight:var(--font-normal);color:var(--color-text-muted)}@media(max-width:640px){.compare-chart-row{grid-template-columns:72px 1fr auto;gap:var(--space-2)}.compare-chart-label{font-size:var(--text-xs)}}.stepper{display:flex;align-items:stretch;width:100%;height:48px;border:1.5px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);overflow:hidden;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.stepper:focus-within{border-color:var(--color-border-focus);box-shadow:var(--shadow-focus)}.stepper-btn{display:flex;align-items:center;justify-content:center;width:44px;flex-shrink:0;background:var(--color-bg-secondary);color:var(--color-text-secondary);border:none;cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast);appearance:none;-webkit-appearance:none}.stepper-btn:hover:not(:disabled){background:var(--color-bg-tertiary);color:var(--color-text-primary)}.stepper-btn:disabled{opacity:.35;cursor:not-allowed}.stepper-btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:-2px}.stepper .stepper-input{flex:1;min-width:0;height:100%;border:none;border-left:1.5px solid var(--color-border);border-right:1.5px solid var(--color-border);border-radius:0;text-align:center}.stepper .stepper-input:focus{box-shadow:none}@media(max-width:640px){.stepper-btn{width:40px}}.dim-diagram{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4)}.dim-diagram-svg{width:100%;height:auto;display:block}.dim-diagram-svg .dim-diagram-line{stroke:var(--color-text-muted);stroke-width:1}.dim-diagram-svg .dim-diagram-label{font-family:var(--font-sans);font-size:11px;font-weight:var(--font-medium);fill:var(--color-text-secondary)}@media(max-width:640px){.dim-diagram{padding:var(--space-3)}}.segmented{display:flex;flex-wrap:wrap;width:100%;max-width:100%;padding:3px;gap:2px;background:var(--color-bg-tertiary);border-radius:var(--radius-lg)}.segmented-btn{display:flex;align-items:center;justify-content:center;flex:1 1 45%;padding:8px var(--space-3);font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--color-text-secondary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;text-align:center;transition:color var(--transition-fast),background-color var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast);appearance:none;-webkit-appearance:none}.segmented-btn:hover{color:var(--color-text-primary)}.segmented-btn.is-active{background:var(--color-bg);color:var(--color-text-primary);box-shadow:var(--shadow-sm)}.problem-report-cta{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);margin-top:var(--space-10);padding-top:var(--space-5);border-top:1px solid var(--color-border)}.problem-report-title{font-size:var(--text-sm);font-weight:var(--font-medium);color:var(--color-text-primary);margin:0}.problem-report-text{font-size:var(--text-xs);color:var(--color-text-muted);margin:2px 0 0}.problem-report-actions{display:flex;align-items:center;gap:var(--space-3);flex-shrink:0}.problem-report-gmail{flex-shrink:0}.problem-report-email-app{font-size:var(--text-xs);font-weight:var(--font-medium);color:var(--color-text-muted);white-space:nowrap}.problem-report-email-app:hover{color:var(--color-accent)}.calculator-trust-panel{margin:var(--space-8) 0;padding:var(--space-5);border:1px solid #cfd7e3;border-left:3px solid var(--color-accent);border-radius:var(--radius-lg);background:var(--color-bg-secondary)}.calculator-trust-panel h2{margin:0 0 var(--space-2);color:var(--color-accent);font-size:var(--text-base);line-height:1.3}.calculator-trust-signals{margin:0 0 var(--space-3);color:var(--color-text-secondary);font-size:var(--text-sm);line-height:1.6}.calculator-trust-meta{margin:0;color:var(--color-text-muted);font-size:var(--text-xs)}.tool-page .tool-faq-section .seo-faq-list{margin-top:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.tool-page .tool-faq-section .seo-faq-block{margin:0;padding:0 var(--space-5) var(--space-5);border:0;border-top:1px solid var(--color-border);background:#fff;color:var(--color-text-secondary);line-height:1.65}.tool-page .tool-faq-section .seo-faq-block:not([open]){padding-bottom:0}.tool-page .tool-faq-section .seo-faq-block:first-child{border-top:0}.tool-page .tool-faq-section .seo-faq-block summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:52px;margin:0 calc(-1 * var(--space-5));padding:var(--space-4) var(--space-5);color:var(--color-text-primary);font-weight:var(--font-semibold);line-height:1.4;cursor:pointer;list-style:none}.tool-page .tool-faq-section .seo-faq-block summary::-webkit-details-marker{display:none}.tool-page .tool-faq-section .seo-faq-block summary:after{flex:0 0 auto;color:var(--color-text-muted);content:"+";font-size:var(--text-xl);font-weight:var(--font-normal)}.tool-page .tool-faq-section .seo-faq-block[open] summary:after{content:"−"}@media(max-width:640px){.tool-page .tool-faq-section .seo-faq-block{padding-inline:var(--space-4)}.tool-page .tool-faq-section .seo-faq-block summary{margin-inline:calc(-1 * var(--space-4));padding-inline:var(--space-4)}}@media(max-width:640px){.problem-report-cta,.problem-report-actions{align-items:flex-start;flex-direction:column}}.wb [hidden]{display:none!important}.wb{--wb-border:var(--color-border);font-size:1rem}.wb .input-grid{margin-bottom:var(--space-5)}.wb .field{min-width:0}.wb .field-hint{font-size:.875rem;line-height:1.5;color:var(--color-text-secondary)}.wb .field-label{flex-wrap:wrap;gap:.25rem}.wb .field-error:empty{display:none}.wb .input,.wb .select{min-width:0;width:100%}.wb .wb-tabs{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}.wb .wb-tabs button{min-height:44px;padding:.6rem .9rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text-primary);cursor:pointer;font:inherit}.wb .wb-tabs button[aria-pressed=true]{background:var(--color-accent-light);border-color:var(--color-accent);color:var(--color-accent)}.wb .wb-tabs button[aria-selected=true]{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-text-inverse);font-weight:700;box-shadow:0 4px 12px #0f7aff33}.wb .wb-tabs button[aria-selected=true]:hover{background:var(--color-accent-hover);border-color:var(--color-accent-hover)}.wb .wb-tabs button:focus-visible{outline:3px solid color-mix(in srgb,var(--color-accent) 28%,transparent);outline-offset:2px}.wb .wb-advanced{border:1px solid var(--color-border);border-radius:var(--radius-lg);margin:1rem 0;padding:0 1rem}.wb .wb-advanced>summary{padding:1rem 0;cursor:pointer;font-weight:600;min-height:48px}.wb .wb-advanced[open]>summary{margin-bottom:.5rem}.wb .wb-notice{padding:1rem;border:1px solid var(--color-border);border-left:3px solid var(--color-accent);border-radius:var(--radius-md);background:var(--color-bg-secondary);margin:1rem 0;line-height:1.6;overflow-wrap:anywhere}.wb .wb-notice.warning{border-left-color:var(--color-warning);background:var(--color-warning-bg)}.wb .wb-error{border-color:var(--color-error);color:var(--color-error);margin:1rem 0}.wb [aria-invalid=true]{border-color:var(--color-error)}.wb .wb-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin:1rem 0}.wb .wb-actions .btn,.wb .wb-scenario .btn{min-height:44px;height:auto;white-space:normal;line-height:1.35;padding:.65rem .9rem}.wb .wb-table{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius-lg);margin:1rem 0}.wb table{width:100%;border-collapse:collapse;min-width:500px;font-size:.9rem}.wb th,.wb td{text-align:left;padding:.8rem;border-bottom:1px solid var(--color-border)}.wb th{background:var(--color-bg-secondary)}.wb caption{padding:1rem;text-align:left;line-height:1.5;color:var(--color-text-secondary)}.wb .wb-diagram{width:100%;display:block;max-height:300px;background:var(--color-bg-secondary);border-radius:var(--radius-lg)}.wb .wb-range{width:100%;height:44px;accent-color:var(--color-accent)}.wb .wb-section{margin:2rem 0}.wb .wb-section p{line-height:1.7;margin:.75rem 0}.wb .wb-section ul,.wb .wb-section ol{padding-left:1.3rem;line-height:1.7}.wb .wb-section li{margin:.5rem 0}.wb .wb-section h3{font-size:1.1rem;margin:1.2rem 0 .6rem}.wb .wb-summary{margin-top:.7rem;line-height:1.6}.wb .result-item-value{overflow-wrap:anywhere}.wb .wb-scenarios{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.wb .wb-scenario{padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);min-width:0}.wb .wb-scenario p{white-space:pre-line;font-size:.9rem;line-height:1.6;overflow-wrap:anywhere}.wb .wb-scenario button{margin:.25rem}.wb .wb-section-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin:1.5rem 0 .8rem}.wb .wb-section-header h2,.wb .wb-section-header h3{margin:0!important}.wb .wb-section-header p{margin:.3rem 0 0!important}.wb .wb-subsection{padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg);margin:1rem 0}.wb .wb-subsection>legend{padding:0 .4rem;font-weight:700;color:var(--color-text-primary)}.wb .wb-repeater{display:grid;gap:.85rem;margin:1rem 0}.wb .wb-repeat-item{min-width:0;padding:1rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg)}.wb .wb-repeat-header{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:1rem}.wb .wb-repeat-header strong{color:var(--color-text-primary)}.wb .wb-repeat-header .btn{min-height:38px;height:38px;padding:0 .7rem}.wb .wb-kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:.75rem;margin:1rem 0}.wb .wb-kpi{padding:.9rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg)}.wb .wb-kpi-label{display:block;color:var(--color-text-secondary);font-size:.75rem;font-weight:600;line-height:1.35}.wb .wb-kpi-value{display:block;margin-top:.3rem;color:var(--color-text-primary);font-size:1.05rem;font-weight:700;overflow-wrap:anywhere}.wb .wb-choice-row{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}.wb .wb-check{display:flex;align-items:flex-start;gap:.65rem;min-height:44px;padding:.65rem .8rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg);color:var(--color-text-primary)}.wb .wb-check input{width:1.1rem;height:1.1rem;margin-top:.15rem;accent-color:var(--color-accent)}.wb .wb-empty{padding:1rem;border:1px dashed var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);text-align:center}.wb .wb-warning-list{display:grid;gap:.55rem}.wb .wb-warning-list p{margin:0}.wb .wb-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem;margin:1rem 0}.wb .wb-toolbar .btn{min-height:42px;height:auto}.wb .wb-print-only{display:none}.wb .wb-small{font-size:.875rem;color:var(--color-text-secondary);line-height:1.6}.wb .wb-presets{display:flex;gap:.5rem;flex-wrap:wrap}.wb .wb-presets .btn{min-height:44px}.wb .wb-report-preview{margin-top:1.25rem;color:var(--color-text-primary)}.wb .wb-report-empty{margin:0;padding:1.25rem;border:1px dashed var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-secondary);color:var(--color-text-secondary);text-align:center}.wb .wb-report-document{overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-xl,16px);background:var(--color-bg);box-shadow:var(--shadow-sm)}.wb .wb-report-header{padding:clamp(1.25rem,3vw,2rem);border-bottom:1px solid var(--color-border);background:linear-gradient(135deg,var(--color-accent-light),var(--color-bg) 72%)}.wb .wb-report-kicker{margin:0 0 .35rem!important;color:var(--color-accent);font-size:.75rem!important;font-weight:700;letter-spacing:.08em;line-height:1.4!important;text-transform:uppercase}.wb .wb-report-title{margin:0!important;font-size:clamp(1.25rem,3vw,1.65rem)!important;line-height:1.25!important;color:var(--color-text-primary)}.wb .wb-report-meta{display:flex;flex-wrap:wrap;gap:.35rem 1rem;margin-top:.75rem;color:var(--color-text-secondary);font-size:.8125rem;line-height:1.5}.wb .wb-report-meta a{color:var(--color-accent);font-weight:600;text-decoration:none}.wb .wb-report-meta a:hover{text-decoration:underline}.wb .wb-report-block{padding:clamp(1.1rem,2.5vw,1.6rem);border-bottom:1px solid var(--color-border)}.wb .wb-report-block:last-child{border-bottom:0}.wb .wb-report-block.is-featured{background:color-mix(in srgb,var(--color-accent-light) 48%,var(--color-bg))}.wb .wb-report-heading{margin:0 0 .85rem!important;color:var(--color-text-primary);font-size:1rem!important;font-weight:700!important;line-height:1.35!important}.wb .wb-report-data{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin:0}.wb .wb-report-row{min-width:0;padding:.75rem 0;border-top:1px solid color-mix(in srgb,var(--color-border) 72%,transparent)}.wb .wb-report-row:nth-child(odd){padding-right:1rem}.wb .wb-report-row:nth-child(2n){padding-left:1rem;border-left:1px solid color-mix(in srgb,var(--color-border) 72%,transparent)}.wb .wb-report-row:nth-child(-n+2){border-top:0}.wb .wb-report-row dt{margin:0 0 .25rem;color:var(--color-text-secondary);font-size:.75rem;font-weight:600;line-height:1.4;text-transform:none}.wb .wb-report-row dd{margin:0;color:var(--color-text-primary);font-size:.925rem;font-weight:600;line-height:1.5;overflow-wrap:anywhere}.wb .wb-report-row.is-primary{grid-column:1/-1;padding:0 0 1rem!important;border:0!important}.wb .wb-report-row.is-primary dt{color:var(--color-accent);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.wb .wb-report-row.is-primary dd{font-size:clamp(1.35rem,4vw,1.9rem);line-height:1.2}.wb .wb-report-notes{display:grid;gap:.55rem;margin:0!important;padding-left:1.1rem!important;color:var(--color-text-secondary);font-size:.875rem;line-height:1.6!important}.wb .wb-report-notes li{margin:0!important;padding-left:.2rem}.wb .wb-report-block a{color:var(--color-accent);font-weight:600}@media(max-width:480px){.wb table{min-width:460px}.wb .wb-actions>.btn{flex:1 1 42%}.wb .wb-advanced{padding:0 .75rem}.wb .result-breakdown,.wb .wb-scenarios{grid-template-columns:1fr}.wb .wb-section-header{display:block}.wb .wb-section-header .btn{width:100%;margin-top:.75rem}.wb .wb-repeat-item{padding:.85rem}.wb .wb-toolbar{align-items:stretch}.wb .wb-toolbar>.btn{width:100%}}@media(max-width:480px){.wb .wb-diagram{max-height:none}.wb .result-primary{font-size:clamp(1.4rem,7vw,2rem);overflow-wrap:anywhere}}@media(max-width:600px){.wb .wb-report-data{grid-template-columns:1fr}.wb .wb-report-row,.wb .wb-report-row:nth-child(odd),.wb .wb-report-row:nth-child(2n){padding:.7rem 0;border-left:0;border-top:1px solid color-mix(in srgb,var(--color-border) 72%,transparent)}.wb .wb-report-row:first-child{border-top:0}.wb .wb-report-row:nth-child(2){border-top:1px solid color-mix(in srgb,var(--color-border) 72%,transparent)}.wb .wb-report-row.is-primary{padding-bottom:.9rem!important}.wb .wb-report-meta{display:grid;gap:.2rem}}@media(prefers-reduced-motion:reduce){html:has(.wb){scroll-behavior:auto}.wb *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}.wb .tool-card{padding:clamp(1.1rem,3vw,1.65rem);background:var(--color-bg);border-color:var(--border-strong, #667085);box-shadow:var(--shadow-sm)}.wb .calc-product-head{display:grid;gap:.4rem;margin:-.1rem 0 1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--color-border)}.wb .calc-product-title{margin:0;color:var(--color-text-primary);font-size:clamp(1.25rem,3vw,1.55rem);font-weight:750;line-height:1.25}.wb .calc-product-copy{max-width:58ch;margin:0;color:var(--color-text-secondary);font-size:.9rem;line-height:1.55}.wb .calc-utility-row{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.65rem;margin:-.35rem 0 1rem}.wb .calc-utility-row .field{flex:0 1 210px}.wb .calc-utility-row .field-label{font-size:.75rem}.wb .calc-utility-row .select{min-height:42px;padding-block:.45rem}.wb .calc-group{margin:0 0 1rem;padding:clamp(.9rem,2.5vw,1.2rem);border:1px solid var(--color-border);border-radius:var(--radius-lg);background:color-mix(in srgb,var(--color-bg-secondary) 72%,var(--color-bg))}.wb .calc-group>.calc-group-label,.wb .calc-group>legend{display:block;margin:0 0 .8rem;padding:0;color:var(--color-text-primary);font-size:.78rem;font-weight:750;letter-spacing:.06em;line-height:1.4;text-transform:uppercase}.wb .calc-group .input-grid:last-child,.wb .calc-group>.field:last-child{margin-bottom:0}.wb .calc-group .field-hint{font-size:.78rem}.wb .calc-group .field-label{font-size:.85rem;font-weight:650}.wb .calc-product:not(.is-advanced) .calc-group .field-hint:not(.field-hint-essential),.wb .calc-product:not(.is-advanced) .calc-group>.wb-small{display:none}.wb .calc-product:not(.is-advanced) .calc-single-wall-legend{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.wb .calc-live-note{display:flex;align-items:center;gap:.45rem;width:max-content;max-width:100%;margin:.2rem 0 .85rem;color:var(--color-text-secondary);font-size:.78rem;line-height:1.45}.wb .calc-live-note>span{width:.48rem;height:.48rem;flex:none;border-radius:50%;background:var(--color-success);box-shadow:0 0 0 3px var(--color-success-bg)}.wb .calc-customize{display:flex;width:100%;min-height:66px;align-items:center;justify-content:space-between;gap:1rem;margin:.9rem 0 0;padding:1rem 1.05rem;text-align:left;background:color-mix(in srgb,var(--color-accent-light) 28%,var(--color-bg));border:1px solid var(--border-strong, #667085);border-radius:var(--radius-lg);color:var(--color-text-primary);cursor:pointer;font:inherit}.wb .calc-customize:hover,.wb .calc-customize:focus-visible{border-color:var(--color-accent);box-shadow:var(--focus-ring)}.wb .calc-customize-copy{display:grid;gap:.2rem}.wb .calc-customize-copy strong{font-size:1rem}.wb .calc-customize-copy small{color:var(--color-text-secondary);font-size:.8rem;line-height:1.45}.wb .calc-customize-icon{display:grid;width:2rem;height:2rem;flex:none;place-items:center;border-radius:50%;background:var(--color-accent-light);color:var(--color-accent);font-size:1.2rem;transition:transform var(--transition-fast)}.wb .calc-customize[aria-expanded=true] .calc-customize-icon{transform:rotate(180deg)}.wb .calc-advanced-region{margin:0 0 1.25rem;padding:1rem;border:1px solid var(--color-border);border-top:0;border-radius:0 0 var(--radius-lg) var(--radius-lg);background:color-mix(in srgb,var(--color-bg-secondary) 62%,var(--color-bg))}.wb .calc-advanced-region[hidden]{display:none!important}.wb .calc-product:not(.is-advanced) .calc-advanced-inline{display:none!important}.wb .calc-advanced-heading{margin:0 0 .3rem;color:var(--color-text-primary);font-size:1rem}.wb .calc-advanced-note{margin:0 0 1rem;color:var(--color-text-secondary);font-size:.8rem;line-height:1.5}.wb .calc-advanced-reset{display:flex;justify-content:flex-end;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border)}.wb .calc-start-over-row{display:flex;justify-content:flex-end;margin:.75rem 0 0}.wb .calc-start-over{min-height:40px;padding:.45rem .7rem;border:0;background:transparent;color:var(--color-text-secondary);font:inherit;font-size:.85rem;font-weight:600;cursor:pointer}.wb .calc-start-over:hover,.wb .calc-start-over:focus-visible{color:var(--color-accent);text-decoration:underline}.wb .calc-result-details{margin-top:1rem;border-top:1px solid color-mix(in srgb,var(--color-border) 75%,transparent)}.wb .calc-result-details>summary{min-height:44px;padding:.8rem 0;cursor:pointer;color:var(--color-text-primary);font-weight:650}.wb .calc-result-details .result-breakdown{margin-top:.35rem}.wb .calc-detailed-shell{margin:2rem 0}.wb .calc-detailed-shell>.section-title{margin-bottom:.8rem}.wb .calc-deep-results{border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-bg)}.wb .calc-deep-results>summary{min-height:54px;padding:1rem 1.1rem;cursor:pointer;color:var(--color-text-primary);font-weight:700}.wb .calc-deep-results[open]>summary{border-bottom:1px solid var(--color-border)}.wb .calc-deep-results-body{padding:0 1.1rem 1rem}.wb .calc-deep-results-body>.wb-section:first-child{margin-top:1.25rem}.wb .calc-quick-badge{display:inline-flex;width:max-content;padding:.3rem .55rem;border-radius:999px;background:var(--color-success-bg);color:var(--color-success);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.wb .calc-preset-group{display:grid;gap:.45rem;margin-top:.7rem}.wb .calc-preset-caption{color:var(--color-text-secondary);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.wb .calc-preset-chips{display:flex;flex-wrap:wrap;gap:.45rem}.wb .calc-preset-chip{min-height:36px;padding:.4rem .65rem;border:1px solid var(--color-border);border-radius:999px;background:var(--color-bg);color:var(--color-text-primary);cursor:pointer;font:inherit;font-size:.78rem;font-weight:650;line-height:1.25}.wb .calc-preset-chip:hover{border-color:var(--color-accent);color:var(--color-accent)}.wb .calc-preset-chip.is-active,.wb .calc-preset-chip[aria-pressed=true]{border-color:var(--color-accent);background:var(--color-accent-light);color:var(--color-accent)}.wb .calc-preset-chip:focus-visible{outline:3px solid color-mix(in srgb,var(--color-accent) 28%,transparent);outline-offset:2px}@media(max-width:640px){.wb .tool-card{padding:.95rem}.wb .calc-utility-row{justify-content:stretch}.wb .calc-utility-row .field{flex:1 1 145px}.wb .calc-group{padding:.85rem}.wb .calc-customize{align-items:flex-start}.wb .calc-deep-results-body{padding:0 .8rem .8rem}}@media print{body:has(.wb){background:#fff!important;padding:0!important;color:#000!important}body:has(.wb) #site-header,body:has(.wb) #site-footer,body:has(.wb) ins,body:has(.wb) iframe,body:has(.wb) .problem-report-cta,body:has(.wb) .breadcrumb{display:none!important}.wb>*{display:none!important}.wb>.wb-report-section,.wb>.tool-page-layout{display:block!important}.wb>.tool-page-layout>.article-sidebar{display:none!important}.wb>.tool-page-layout>.tool-page-content{display:block!important}.wb>.tool-page-layout>.tool-page-content>*{display:none!important}.wb>.tool-page-layout>.tool-page-content>.wb-report-section{display:block!important}.wb .wb-print-only{display:block}.wb .wb-report-section>.section-title,.wb .wb-report-section>.wb-actions,.wb .wb-report-section>.wb-small{display:none!important}.tool-wrapper:has(.wb){max-width:none;padding:0}.wb-report-section{margin:0!important}.wb .wb-report-preview{margin:0}.wb .wb-report-document{border:0;box-shadow:none}.wb .wb-report-header{padding:0 0 12pt;background:none}.wb .wb-report-block,.wb .wb-report-block.is-featured{padding:11pt 0;background:none;break-inside:avoid}.wb .wb-report-title{font-size:18pt!important}.wb .wb-report-heading{font-size:12pt!important}.wb .wb-report-row dd,.wb .wb-report-notes{font-size:9.5pt}.wb .wb-report-row.is-primary dd{font-size:16pt}.wb .wb-report-meta a{display:none}a{color:inherit!important}@page{margin:15mm}}.wb .wb-tabs button,.wb .wb-check,.wb .wb-subsection,.wb .wb-repeat-item,.wb .wb-kpi,.wb .wb-report-document,.wb .wb-table{border-color:#98a2b3}.wb .wb-tabs button:hover:not(:disabled){border-color:#667085;background:#f6f7f9}.wb .wb-error,.wb [aria-invalid=true]{border-color:var(--color-error)}.wb .wb-table:focus-within{box-shadow:var(--focus-ring)}.aggregate-advanced-title{margin:var(--space-6) 0 var(--space-3);font-size:var(--text-base);color:var(--color-text-primary)}#density-summary{display:block;margin-top:var(--space-2);color:var(--color-text-muted)}.calc-product [data-method-panel]{margin-top:var(--space-4)}.calc-product #depth-group{margin-top:var(--space-5)}