*{box-sizing:border-box}body{margin:0;background:#0c1423;color:#e8eef8;font-family:system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.6}a{color:#83c6ff}header,footer{padding:18px max(20px,calc((100vw - 1150px)/2));background:#121e30}header{display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap}header a{margin-right:15px}.brand{font-weight:900;letter-spacing:.09em;font-size:24px;text-decoration:none;color:#fff}.brand span{color:#75b9ff}main{max-width:1150px;margin:0 auto;padding:34px 18px 70px}h1{font-size:clamp(32px,5vw,56px);line-height:1.1;margin:16px 0}h2{font-size:27px}h3{font-size:20px}.lead{font-size:19px;color:#c6d3e5}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.15em;color:#8dc7ff}.warning{padding:18px;border-left:5px solid #ffc76c;background:#2d2730;margin:22px 0}.panel{padding:22px;border:1px solid #31405a;background:#172338;border-radius:14px;margin:18px 0}.tabs{display:flex;gap:8px;margin:26px 0}.tabs button,button{padding:11px 17px;border-radius:9px;background:#283b57;color:#fff;border:1px solid #526b8d;cursor:pointer;font-size:15px}.tabs button.active,button.active{background:#2c74ba}.small{font-size:14px;color:#c3cfe0}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.card{border:1px solid #31405a;background:#172338;border-radius:14px;padding:18px}.card h3{margin:8px 0}.pill{display:inline-block;padding:3px 10px;border:1px solid #60718c;border-radius:25px;font-size:12px;color:#a4d6ff}.filters{display:flex;gap:7px;flex-wrap:wrap;margin-top:12px}input,select{width:100%;max-width:480px;padding:12px;margin:6px 0 12px;border:1px solid #8fa5c1;border-radius:7px;background:#f9fbff;color:#172338;font:inherit}label{display:block;font-weight:600}.result{font-size:38px;font-weight:850;color:#a4d6ff}.hidden{display:none}.note{padding:14px;border-left:3px solid #8dc7ff;background:#23334b;margin:12px 0}table{border-collapse:collapse;width:100%}td,th{padding:9px;border-bottom:1px solid #526b8d;text-align:left}@media(max-width:600px){.panel{padding:14px}}

/* Mobile and accessible controls */
.score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:15px}
.score-grid select{max-width:100%;width:100%;min-height:44px}
.tabs{flex-wrap:wrap}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #ffdc82;outline-offset:3px}
@media(max-width:640px){main{padding:20px 14px 48px}.panel{padding:15px}.revision{overflow-x:auto}.revision table{min-width:430px}header{padding:14px}.score-value{font-size:38px}}