:root{font-family:system-ui,sans-serif;color:#17313b;background:#f1f5f5;line-height:1.55}*{box-sizing:border-box}body{margin:0}main{max-width:780px;padding:24px 16px 40px;margin:auto}h1{font-size:clamp(1.65rem,5vw,2.4rem);line-height:1.18}h2{font-size:1.25rem}.eyebrow{font-size:.75rem;letter-spacing:.07em;font-weight:700}fieldset,#result{min-width:0;border:1px solid #b9cccd;border-radius:12px;padding:18px;background:white;margin:20px 0}legend{font-weight:700}label{display:block;font-weight:600}input[type=number],select{display:block;width:100%;min-width:0;font:inherit;padding:10px;margin:7px 0;border:1px solid #7c999e;border-radius:5px;background:white}input[type=checkbox]{flex-shrink:0;width:18px;height:18px;margin:3px 8px 0 0}.confirm{display:flex;margin-top:14px;font-weight:400}.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.pair label{min-width:0}.actions{display:flex;flex-wrap:wrap;gap:10px}button{font:inherit;padding:11px 14px;border-radius:6px;border:1px solid #236875;background:white;color:#17424b}button[type=submit]{background:#236875;color:white}a{color:#145d74;overflow-wrap:anywhere}footer{font-size:.85rem;color:#40575e;margin-top:24px}:focus-visible{outline:3px solid #b86d00;outline-offset:3px}@media(max-width:420px){.pair{grid-template-columns:1fr}fieldset,#result{padding:14px}}