:root{font-family:Inter,system-ui,sans-serif;color:#142b43;background:#f4f7fb;font-size:16px;line-height:1.6;color-scheme:light}*{box-sizing:border-box}body{margin:0}header{background:#10263e;color:#fff;padding:20px max(24px,calc((100vw - 1160px)/2));display:flex;justify-content:space-between;gap:20px}header a{color:#fff;text-decoration:none}header small{display:block;font-size:14px;color:#b9d5e9}main{max-width:1208px;margin:auto;padding:36px 24px}h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.12;max-width:850px;margin:12px 0 20px}h2{font-size:1.65rem;line-height:1.25;margin:0 0 16px}h3{font-size:1.2rem;line-height:1.4}.lead{max-width:850px;font-size:1.15rem}.eyebrow{font-size:.875rem;letter-spacing:.1em;font-weight:700;color:#246185}.status,.muted{color:#506174;font-size:.9rem}nav{display:flex;gap:24px;flex-wrap:wrap;padding:22px 0}a{color:#155a91;text-underline-offset:4px}section{scroll-margin-top:20px}main>section{padding:30px 0;border-top:1px solid #cdd9e5}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.four{grid-template-columns:repeat(4,minmax(0,1fr))}label{display:block;font-size:.9rem;font-weight:600;margin:8px 0}input,textarea,button{font:inherit}input:not([type=checkbox]),textarea{display:block;width:100%;border:1px solid #aebed0;background:white;color:#142b43;border-radius:5px;padding:10px;margin-top:6px;min-width:0}textarea{resize:vertical}button,.file{cursor:pointer;background:white;color:#17446b;border:1px solid #9aaec2;border-radius:5px;padding:10px 16px;min-height:44px;font-weight:600}button.primary{background:#123d63;color:#fff;border-color:#123d63}button:disabled{opacity:.55;cursor:default}button:hover{border-color:#0877af}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #d38100;outline-offset:3px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.heading{display:flex;justify-content:space-between;gap:20px;align-items:end}.cluster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.cluster-grid button{text-align:left;padding:16px}.cluster-grid small{display:block;color:#53677c;font-size:.875rem;font-weight:400;margin-top:8px}#editor{background:#fff;border:1px solid #bdcede;padding:24px;margin-top:24px;border-radius:8px}details{border-top:1px solid #d4dfeb;padding:16px 0}summary{cursor:pointer;font-weight:650}details p{max-width:950px}.card{background:white;border:1px solid #cad8e5;border-radius:8px;padding:22px;margin:16px 0}.card h3{margin:6px 0}.tag{font-size:.875rem;font-weight:650;color:#266184}.metrics{display:flex;flex-wrap:wrap;gap:24px}.metrics span{display:block;font-size:.875rem;color:#506174}.metrics b{font-size:1.15rem}.error{color:#a52616}#gates label{font-weight:400}input[type=checkbox]{width:18px;height:18px;vertical-align:middle;margin-right:8px}.file input{max-width:250px}footer{padding:30px 0}.log{font-size:.875rem;color:#506174;white-space:pre-wrap}#combo-result{margin-top:16px;white-space:pre-line}[hidden]{display:none!important}@media(max-width:850px){.four,.cluster-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.heading{display:block}}@media(max-width:560px){header{display:block}header>a{display:block;margin:8px 0}.grid,.four,.cluster-grid{grid-template-columns:1fr}main{padding:24px 16px}#editor{padding:16px}.actions>*{width:100%}nav{gap:12px;font-size:.9rem}}