:root{color-scheme:light;--blue:#1558a6;--ink:#17304c;--line:#c8dbed}*{box-sizing:border-box}body{margin:0;background:#edf6ff;color:var(--ink);font:17px/1.65 system-ui,sans-serif}header,main,footer{max-width:1180px;margin:auto;padding:24px}h1{font-size:clamp(1.7rem,4vw,2.7rem);line-height:1.25}h2{font-size:1.55rem}h3{font-size:1.1rem}a{color:var(--blue)}nav,.controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center}nav a{padding:8px;background:white;border-radius:8px}section{background:white;border:1px solid var(--line);border-radius:18px;padding:24px;margin:24px 0;scroll-margin-top:18px;box-shadow:0 4px 14px #17304c08}.kicker{color:var(--blue);font-weight:800;letter-spacing:.12em}label{display:inline-flex;flex-direction:column;gap:4px;font-weight:650}button,select,input,textarea{font:inherit;color:inherit;border:1px solid #7599bc;border-radius:7px;background:white;padding:8px;max-width:100%}button{cursor:pointer;background:#e9f3ff;min-height:44px}button:hover{background:#d5e9ff}button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #b65a00;outline-offset:3px}input[type=range]{width:240px}textarea{width:100%;min-height:85px}svg{display:block;width:100%;height:auto;background:#f7fbff;border:1px solid var(--line);border-radius:12px;margin:14px 0}svg text{font:12px system-ui;fill:#17304c}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.callout,.feedback{padding:12px;border-left:4px solid #3576b9;background:#edf6ff}.feedback{min-height:3em}output{font-variant-numeric:tabular-nums}.tablewrap{overflow:auto;max-height:280px}table{border-collapse:collapse;width:100%;font-size:.85rem}th,td{padding:7px 10px;border-bottom:1px solid var(--line);white-space:nowrap;text-align:right}th:first-child,td:first-child{text-align:left}fieldset{border:1px solid var(--line);border-radius:10px;margin:18px 0;padding:14px}legend{font-weight:750}fieldset label{display:flex;flex-direction:row;align-items:flex-start;font-weight:400;margin:8px 0}progress{width:220px;max-width:100%}.status{font-weight:700}small{font-size:.85rem}.legend{display:flex;flex-wrap:wrap;gap:14px}.legend span{border-bottom:3px solid var(--color);padding:3px}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:white;z-index:10}@media(max-width:680px){header,main,footer{padding:14px}section{padding:16px;margin:16px 0}.grid{grid-template-columns:1fr}.controls{align-items:stretch}.controls label{width:100%}h2{font-size:1.3rem}svg text{font-size:19px}svg circle[role=button]:focus{stroke:#b65a00;stroke-width:4;outline:none}}