:root{font-family:Arial,Helvetica,sans-serif;color:#161616;background:#f4f7fb}*{box-sizing:border-box}body{margin:0;line-height:1.55}a{color:#0645ad}nav,header,main,footer{max-width:1050px;margin:auto;padding:1rem}nav{background:#fff;border-bottom:2px solid #173f73}header{background:#173f73;color:#fff;border-radius:0 0 18px 18px}h1{margin:.2rem 0}.panel{background:#fff;margin:1rem 0;padding:1rem;border-radius:14px;box-shadow:0 2px 9px #0002}.setup-grid,.score-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:.8rem}.score-grid>div{border:2px solid #173f73;border-radius:10px;padding:.65rem}.score-grid strong{display:block;font-size:1.35rem}label{font-weight:700}input,select,button{font:inherit;padding:.65rem;border-radius:8px;border:2px solid #555}button{background:#173f73;color:#fff;font-weight:700;cursor:pointer;margin:.25rem}button.secondary{background:#fff;color:#173f73}button:disabled{opacity:.5;cursor:not-allowed}.cards{display:flex;flex-wrap:wrap;gap:.55rem}.card{min-width:105px;min-height:72px;background:#fff;color:#111;border:3px solid #173f73}.card.playable{border-color:#176b2c}.card:focus{outline:4px solid #ffbf00;outline-offset:2px}.status{font-weight:700;padding:.75rem;border-left:5px solid #173f73;background:#eef5ff}.log{max-height:260px;overflow:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.help{background:#fff8df;padding:.75rem;border-left:5px solid #b37700}.actions{display:flex;flex-wrap:wrap;align-items:center}.final{font-size:1.3rem;font-weight:800}footer{text-align:center}