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0;padding:8px 0;font-size:12px}.text-button:hover{text-underline-offset:4px;text-decoration:underline}.reset-button{align-items:center;gap:6px;min-height:44px;display:inline-flex}.mode-switch{background:var(--lightningcss-light,#f0f3f8)var(--lightningcss-dark,#121c27);border-radius:9px;gap:4px;margin-bottom:26px;padding:5px;display:flex}.mode-switch button{color:var(--lightningcss-light,#526079)var(--lightningcss-dark,#acb9ca);background:0 0;border-radius:6px;flex:1;min-height:44px;padding:10px 7px;font-size:12px}.mode-switch button[aria-pressed=true]{background:var(--surface);color:var(--accent);font-weight:600;box-shadow:0 2px 6px var(--lightningcss-light,#20335710)var(--lightningcss-dark,#00000020)}.field{min-width:0;margin-bottom:19px}.field label{margin-bottom:8px;font-size:13px;font-weight:550;display:block}.input-wrap{border:1px solid var(--input-border);background:var(--surface);border-radius:8px;align-items:center;display:flex}.input-wrap:focus-within{outline:2px solid var(--accent);outline-offset:2px}.input-wrap input{width:100%;min-width:0;color:var(--ink);font-variant-numeric:tabular-nums;background:0 0;border:0;border-radius:8px;outline:none;padding:12px 14px;font-size:18px}.input-wrap>span{color:var(--muted);padding-right:14px;font-size:13px}.field select{border:1px solid var(--input-border);background:var(--surface);width:100%;min-height:52px;color:var(--ink);border-radius:8px;padding:10px;font-size:14px}.field small{color:var(--muted);font-size:11px}.fields-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;display:grid}.input-note{color:var(--muted);font-size:12px;line-height:1.7}.audio-calculator .input-note{margin-bottom:18px}fieldset{border:0;min-width:0;margin:0 0 5px;padding:0}legend{color:var(--muted);margin-bottom:12px;font-size:12px}.result-panel{color:var(--ink);background:var(--lightningcss-light,#eff5ff)var(--lightningcss-dark,#1d3048);flex-direction:column;min-width:0;padding:32px;display:flex}.result-heading{color:var(--lightningcss-light,#45618a)var(--lightningcss-dark,#b0c5df);border-bottom:1px solid var(--lightningcss-light,#d0dff2)var(--lightningcss-dark,#415672);justify-content:space-between;align-items:center;margin-bottom:26px;padding-bottom:19px;font-size:12px;display:flex}.result-heading>svg{color:var(--accent)}.result-label{color:var(--lightningcss-light,#476080)var(--lightningcss-dark,#b0c5df);overflow-wrap:anywhere;font-size:14px}.result-value{letter-spacing:-.035em;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;color:var(--lightningcss-light,#074fbf)var(--lightningcss-dark,#a0c6ff);margin:9px 0 24px;font-size:clamp(2.3rem,4vw,3.5rem);font-weight:550;line-height:1.2}.result-error{color:var(--error);margin-block:15px 30px;font-size:18px;line-height:1.6}.result-details{margin:0 0 25px}.result-details>div{border-bottom:1px solid var(--lightningcss-light,#d0dff2)var(--lightningcss-dark,#415672);justify-content:space-between;gap:20px;padding-block:11px;font-size:13px;display:flex}.result-details dt{color:var(--lightningcss-light,#476080)var(--lightningcss-dark,#b0c5df);overflow-wrap:anywhere;min-width:0}.result-details dd{text-align:right;overflow-wrap:anywhere;min-width:0;margin:0;font-weight:550}.copy-button{color:#fff;background:var(--action);border-radius:7px;justify-content:center;align-self:flex-start;align-items:center;gap:9px;min-height:44px;margin-top:auto;padding:11px 16px;font-size:12px;display:inline-flex}.copy-button:hover{background:var(--action-hover)}.copy-status{color:var(--lightningcss-light,#3f6089)var(--lightningcss-dark,#b0c5df);min-height:22px;margin-top:6px;font-size:11px;display:block}.result-note{color:var(--lightningcss-light,#527094)var(--lightningcss-dark,#b0c5df);max-width:36ch;margin-top:15px;font-size:11px}.preset-row{gap:9px;margin-top:-8px;margin-bottom:22px;display:flex}.preset-row button{border:1px solid var(--line);background:var(--lightningcss-light,#fafbfe)var(--lightningcss-dark,#223040);border-radius:6px;flex:1;min-height:44px;padding:9px 4px;font-size:12px}.preset-row button[aria-pressed=true]{background:var(--accent-light);border-color:var(--accent);color:var(--accent)}.area-diagram{text-align:center;color:var(--muted);margin:4px 0 24px;font-family:monospace;font-size:11px;overflow:hidden}.area-diagram>div{background:var(--accent-light);border:1px solid var(--lightningcss-light,#8fa9ce)var(--lightningcss-dark,#849ec0);width:120px;height:66px;margin:6px auto 0;position:relative}.area-diagram>div>span{white-space:nowrap;position:absolute;top:24px;left:calc(100% + 10px)}.calculator-footnote{color:var(--muted);justify-content:center;align-items:center;gap:7px;margin-top:16px;font-size:11px;display:flex}.supporting-layout{grid-template-columns:minmax(0,1.7fr) minmax(0,1fr);gap:76px;margin-top:52px;display:grid}.supporting-content{min-width:0}.supporting-content section+section{margin-top:32px}.supporting-content h2{margin-bottom:13px;font-size:24px}.supporting-content p{color:var(--lightningcss-light,#5c6980)var(--lightningcss-dark,#acb9ca);max-width:72ch;font-size:14px;line-height:1.85}.formula-block{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--lightningcss-light,#edf2f9)var(--lightningcss-dark,#223040);border-radius:9px;padding:20px;font-family:monospace;font-size:12px;line-height:2}summary{padding:14px 0;font-size:14px;font-weight:550}details{border-block:1px solid var(--line)}details p{padding-bottom:16px}.related-tools{align-self:start;padding-top:3px}.related-tools h2{font-size:24px}.related-tools>p{color:var(--muted);margin-top:10px;margin-bottom:18px;font-size:12px}.related-tools>a{border-bottom:1px solid var(--line);align-items:center;gap:12px;padding:17px 0;font-size:13px;display:flex}.related-tools>a span{flex:1}.related-tools>a:hover{color:var(--accent);text-decoration:underline}.related-tools .related-all{color:var(--accent);border:0;font-size:12px}.prose-page{max-width:780px;min-height:75vh;padding-block:65px 85px}.prose-page .lead{margin-top:22px;font-size:19px}.prose-page h2{margin-top:36px;margin-bottom:14px}.prose-page p{color:var(--muted);margin-bottom:16px;line-height:1.85}.primary-link{background:var(--action);color:#fff;border-radius:8px;margin-top:15px;padding:13px 23px;font-size:14px;display:inline-block}.primary-link:hover{background:var(--action-hover)}.not-found{min-height:65vh;padding-block:85px}.not-found p{color:var(--muted);margin-block:20px}.skip-link{z-index:20;background:var(--action);color:#fff;padding:12px 20px;position:absolute;top:-100px;left:20px}.skip-link:focus{top:10px}@media (max-width:1200px){.hero-note{display:none}.hero-content h1{font-size:56px}.hero-content{max-width:760px}.category-card{padding:17px}.category-card h3{font-size:17px}.featured-card{gap:8px;padding:16px 12px}.featured-card .category-icon{width:32px;height:32px}.featured-card .category-icon svg{width:22px}.featured-card>svg{display:none}.home-method{gap:22px}.footer-caption{display:none}}@media (max-width:900px){.header-inner,.page-container,.footer-inner{width:calc(100% - 48px)}.header-inner{gap:25px}.main-nav{gap:20px}.main-nav .resources-link{display:none}.header-actions{gap:7px}.hero-content{max-width:670px}.hero-content h1{font-size:49px}.hero-description{font-size:15px}.hero-backdrop{opacity:.48}.category-cards,.featured-cards{grid-template-columns:repeat(3,minmax(0,1fr))}.home-method{flex-wrap:wrap}.home-method>a{margin-left:0}.calculator-inputs,.result-panel{padding:24px}.supporting-layout{gap:40px}}@media (max-width:640px){.page-container,.header-inner,.footer-inner{width:calc(100% - 36px)}.header-inner{gap:12px;height:72px}.brand{gap:3px;font-size:22px}.brand svg{width:25px;height:25px}.main-nav{display:none}.header-actions{gap:4px}.header-cta{padding:9px 12px;font-size:11px}.header-search{width:35px;min-width:35px}.home-hero{min-height:0;padding:24px 18px 33px}.hero-backdrop{opacity:.18;object-fit:cover}.hero-kicker{letter-spacing:.23em;margin-bottom:20px;font-size:8px}.hero-content h1{letter-spacing:-.025em;font-size:clamp(35px,8.6vw,48px);line-height:1.1}.desktop-break{display:none}.hero-description{margin-top:18px;font-size:14px;line-height:1.65}.hero-search-wrap{margin-top:23px}.hero-search{gap:9px;padding:6px 6px 6px 15px}.hero-search input{font-size:13px}.hero-search>svg{width:20px}.hero-search button{width:45px;height:42px}.hero-benefits{flex-wrap:wrap;gap:10px 16px;margin-top:20px;font-size:10px}.hero-benefits span{gap:5px}.hero-benefits svg{width:15px}.home-sections{padding-top:24px}.section-heading{align-items:flex-start;gap:14px}.section-heading h2{font-size:24px}.section-heading p{margin-top:4px;font-size:12px}.section-heading .inline-link{justify-content:flex-end;min-width:30px;min-height:44px;font-size:0}.section-heading .inline-link svg{width:19px}.category-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category-card{padding:16px}.category-card h3{font-size:17px}.category-card p{padding-right:5px;font-size:11px}.category-card>svg{width:12px;bottom:18px;right:8px}.category-icon{width:40px;height:40px}.category-cards>a:last-child{grid-column:1/-1;grid-template-columns:42px 1fr;align-items:center;gap:0 14px;display:grid}.category-cards>a:last-child .category-icon{grid-row:1/3}.category-cards>a:last-child h3{margin-top:0}.category-cards>a:last-child p{margin-top:3px}.featured-section{margin-top:24px}.featured-cards{grid-template-columns:1fr;gap:10px}.featured-card{align-items:center;gap:14px;min-height:0;padding:17px}.featured-card .category-icon{width:42px;height:42px}.featured-card h3{font-size:18px}.featured-card p{margin-top:5px;padding-right:10px;font-size:12px}.featured-card>svg{display:block;top:26px;right:13px}.home-method{gap:17px;padding:26px 0 30px}.home-method h2{font-size:23px}.home-method p{font-size:12px}.footer-inner{flex-direction:column;align-items:flex-start;gap:18px;padding-block:25px}.footer-inner nav{flex-wrap:wrap;gap:23px;margin-left:0}.search-field{gap:10px;padding:4px 13px}.search-field input{padding-block:13px;font-size:14px}.search-hint{display:none}.directory-filters{gap:7px;padding:15px 0 25px}.directory-filters button{padding:8px 10px;font-size:11px}.tool-list{display:block}.tool-row{gap:14px;padding:20px 0}.tool-name{font-size:14px}.tool-description{font-size:12px}.calculator-page{padding-top:22px}.breadcrumb{gap:7px;margin-bottom:24px;font-size:10px}.calculator-title{align-items:flex-start;gap:13px;margin-bottom:24px}.calculator-title .tool-symbol{border-radius:10px;width:43px;height:43px}.calculator-title h1{font-size:30px}.calculator-title p{margin-top:10px;font-size:13px}.calculator-workspace{grid-template-columns:1fr}.calculator-inputs,.result-panel{padding:23px 20px}.mode-switch button{padding:9px 5px;font-size:11px}.fields-grid{gap:13px}.field label{font-size:12px}.field select{font-size:13px}.input-wrap input{padding:12px;font-size:18px}.input-wrap>span{padding-right:10px;font-size:12px}.result-heading{margin-bottom:20px}.result-value{font-size:43px}.result-note{max-width:none}.calculator-footnote{text-align:center;align-items:flex-start;font-size:10px}.supporting-layout{grid-template-columns:1fr;gap:35px;margin-top:36px}.formula-block{padding:15px;font-size:11px}.directory-page,.category-page{padding-block:35px 60px}.page-heading h1{font-size:36px}.prose-page{padding-block:40px 60px}.prose-page h1{font-size:37px}.prose-page .lead{font-size:17px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}@media (max-width:640px){.hero-search input,.search-field input,.field select{font-size:16px}.header-search{width:44px;height:44px}}.home-hero:after{content:"";z-index:-1;pointer-events:none;background:var(--lightningcss-light,#0000)var(--lightningcss-dark,#111820eb);position:absolute;inset:0}.theme-toggle{width:44px;height:44px;color:var(--ink);background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.theme-toggle:hover{background:var(--accent-light);color:var(--accent)}@media (max-width:380px){.header-actions{gap:0}.header-actions .header-search{display:none}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}