:root{color:#111827;font-synthesis:none;text-rendering:optimizelegibility;background:#fff;font-family:Inter,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:#fff;min-width:320px}body{background:#fff;min-width:320px;min-height:100vh;margin:0}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.content-width{width:min(100% - 32px,960px);margin-inline:auto}.site-shell{flex-direction:column;min-height:100vh;display:flex}.site-header{border-bottom:1px solid #e5e7eb}.header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:64px;display:flex}.brand{letter-spacing:-.03em;font-weight:800}.site-header nav a,.text-link{color:#1d4ed8;font-weight:700}.site-main{flex:1;padding-block:56px 72px}.hero{max-width:720px;margin-bottom:64px}.eyebrow{color:#1d4ed8;letter-spacing:.08em;margin:0 0 12px;font-size:.78rem;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:-.045em;margin-bottom:16px;font-size:clamp(2rem,7vw,3.6rem);line-height:1.08}h2{letter-spacing:-.03em;margin-bottom:24px;font-size:clamp(1.5rem,4vw,2rem)}h3{margin-bottom:14px;font-size:1.08rem}.hero-description,.calculator-heading>p:last-child{color:#4b5563;max-width:620px;margin-bottom:28px;font-size:1.05rem;line-height:1.7}.search-field{display:block}.search-field input{color:#111827;background:#fff;border:1px solid #d1d5db;border-radius:10px;width:100%;min-height:54px;padding:0 16px}.search-field input:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline-offset:3px;outline:3px solid #2563eb40}.search-note{color:#6b7280;margin-top:10px;font-size:.85rem}.search-results{margin-bottom:56px}.tool-list,.category-tools{gap:12px;display:grid}.tool-link,.category-tools a{border-bottom:1px solid #e5e7eb;gap:5px;padding:14px 0;display:grid}.tool-link strong,.category-tools strong{color:#1d4ed8}.tool-link span,.category-tools span,.empty-search{color:#6b7280;font-size:.9rem;line-height:1.5}.category-grid{border-top:1px solid #e5e7eb;grid-template-columns:1fr;gap:0;display:grid}.category{border-bottom:1px solid #e5e7eb;padding:24px 0}.calculator-heading{max-width:720px;margin-bottom:36px}.calculator-workspace{gap:24px;display:grid}.calculator-form,.calculator-results{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:24px}.field-stack{gap:20px;display:grid}.calculator-field{gap:8px;display:grid}.field-label{letter-spacing:-.01em;font-weight:750}.calculator-field input,.calculator-field select{color:#111827;background:#fff;border:1px solid #d1d5db;border-radius:10px;width:100%;min-height:50px;padding:0 14px}.calculator-field [aria-invalid=true]{border-color:#b91c1c}.input-with-unit{position:relative}.input-with-unit input{padding-right:54px}.input-with-unit>span{color:#6b7280;font-size:.9rem;position:absolute;top:50%;right:14px;transform:translateY(-50%)}.field-error,.form-error{color:#b91c1c;font-size:.86rem;line-height:1.5}.form-error{margin:18px 0 0}.calculator-actions{gap:10px;margin-top:28px;display:flex}.primary-button,.secondary-button,.text-button{border-radius:10px;font-weight:750}.primary-button,.secondary-button{min-height:48px;padding:0 18px}.primary-button{color:#fff;background:#1d4ed8;border:1px solid #1d4ed8}.secondary-button{color:#374151;background:#fff;border:1px solid #d1d5db}.text-button{color:#1d4ed8;background:0 0;border:0;padding:6px 0}.result-heading-row{justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px;display:flex}.result-heading-row h2{margin:0;font-size:1.35rem}.result-placeholder,.copy-status{color:#6b7280;line-height:1.6}.result-list{margin:0}.result-item{border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:baseline;gap:20px;padding:14px 0;display:flex}.result-item:last-child{border-bottom:0}.result-item dt{color:#4b5563}.result-item dd{text-align:right;margin:0;font-size:1.08rem;font-weight:750}.result-item dd small{color:#6b7280;margin-left:5px;font-size:.78em;font-weight:600}.result-primary dd{color:#1d4ed8;font-size:1.5rem}.copy-status{margin:16px 0 0;font-size:.86rem}.related-calculators{border-top:1px solid #e5e7eb;margin-top:56px;padding-top:32px}.related-calculators h2{margin-bottom:16px;font-size:1.25rem}.related-links{flex-wrap:wrap;gap:10px;display:flex}.related-links a{color:#1d4ed8;border:1px solid #dbeafe;border-radius:999px;padding:10px 12px;font-size:.9rem;font-weight:700}.site-footer{color:#6b7280;border-top:1px solid #e5e7eb;font-size:.86rem}.site-footer .content-width{padding-block:24px}.site-footer p{margin-bottom:0;line-height:1.6}.not-found,.error-state{max-width:640px;margin:64px auto}.not-found p,.error-state p{color:#4b5563;line-height:1.7}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width>=720px){.content-width{width:min(100% - 64px,960px)}.site-main{padding-block:80px 96px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}.calculator-workspace{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}}@media (width<=420px){.calculator-form,.calculator-results{border-radius:12px;padding:20px 16px}.calculator-actions{grid-template-columns:1fr 1fr;display:grid}}