.calculator-page{max-width:1200px;margin:auto;padding:48px 24px 72px}.calculator-page h1{font-size:clamp(2rem,4vw,3.25rem);line-height:1.12;max-width:850px;margin:16px 0}.calculator-intro{max-width:760px}.calculator-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:32px;align-items:start;margin-top:28px}.calculator-form{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px}.calculator-field label{display:block;font-weight:700;font-size:1rem;line-height:1.35}.calculator-field input{display:block;box-sizing:border-box;width:100%;min-width:0;margin-top:8px;padding:12px;border:1px solid #9aa3b5;background:white;border-radius:3px;font:inherit;color:#202b31}.calculator-field input:focus{outline:3px solid #2c46ce;outline-offset:2px}.calculator-field input[aria-invalid=true]{border-color:#a12525}.calculator-help{display:block;font-size:.875rem;color:#52616b;line-height:1.5;margin-top:7px}.calculator-form .calculator-actions,.calculator-error{grid-column:1/-1}.calculator-actions{display:flex;flex-wrap:wrap;gap:12px}.calculator-actions button{font:inherit;cursor:pointer}.calculator-reset{padding:12px 16px;background:white;color:#202b31;border:1px solid #697587}.calculator-error{color:#a12525;margin:0;font-size:1rem;line-height:1.5}.calculator-result{background:#f3f5fb;border-top:5px solid #2c46ce;padding:28px;position:sticky;top:24px}.calculator-result h2{font-size:1.2rem;margin:0;line-height:1.4}.calculator-value{font-size:clamp(2rem,4vw,3.1rem);font-weight:700;color:#2135a0;margin:16px 0;overflow-wrap:anywhere}.calculator-result dl{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px 16px;font-size:1rem;line-height:1.4}.calculator-result dd{margin:0;text-align:right;font-weight:700}.calculator-result .negative{color:#a12525}.calculator-method{max-width:820px;margin-top:48px}.calculator-method h2{font-size:1.75rem;margin:32px 0 14px}.calculator-method h3{font-size:1.15rem}.calculator-method p{line-height:1.75}.calculator-example{border-left:4px solid #2c46ce;padding:0 0 0 22px}.tool-card{padding:28px;background:#f3f5fb;border-top:3px solid #2c46ce}.tool-card h2,.tool-card h3{font-size:1.4rem;line-height:1.3}.tool-card p{line-height:1.6}.workbook-preview{display:block;width:100%;height:auto;border:1px solid #d9dfe9}.worked-example{padding:26px;background:#f3f5fb;margin:28px 0}.worked-example h3{font-size:1.25rem;margin-top:0}.article-table{overflow-x:auto;margin:24px 0}.article-table table{border-collapse:collapse;width:100%;font-size:1rem}.article-table th{text-align:left;background:#263daf;color:white;padding:12px}.article-table td{padding:12px;border-bottom:1px solid #d9dfe9;vertical-align:top}.article-layout article>section{scroll-margin-top:24px}.article-contents{padding:20px;background:#f3f5fb}.article-contents ol{margin:8px 0;padding-left:24px}.article-contents li{margin:6px 0}.guide-sources{font-size:.95rem}.guide-sources a{overflow-wrap:anywhere}@media(max-width:760px){.calculator-grid{grid-template-columns:1fr}.calculator-result{position:static}.calculator-form{gap:20px 14px}.calculator-page{padding:32px 18px 56px}}@media(max-width:440px){.calculator-form{grid-template-columns:1fr}.calculator-result{padding:22px}.calculator-result dl{font-size:.95rem}.calculator-form .calculator-actions{display:grid;grid-template-columns:1fr}.calculator-page h1{overflow-wrap:anywhere}}@media print{header,footer,.announcement,.calculator-actions{display:none!important}.calculator-grid{display:block}.calculator-result{position:static;break-inside:avoid}.calculator-field{break-inside:avoid}.calculator-form{grid-template-columns:1fr 1fr}}