body{font:17px/1.6 system-ui;background:#eef3f8;color:#162c43;margin:0}main{max-width:1220px;margin:32px auto;padding:24px}h1{font-size:30px}section{background:white;padding:20px;border-radius:16px}button,input{font:inherit;border-radius:8px;padding:10px;border:1px solid #9aafc3;margin:6px}button{background:#125ba3;color:white;cursor:pointer}input{background:white;color:#142d43}#screen{width:100%;height:auto;border:1px solid #c7d4de;cursor:crosshair}#status{font-weight:600}.controls{display:flex;flex-wrap:wrap}