:root{color-scheme:light;font-family:Trebuchet MS,Segoe UI,sans-serif;color:#1f2933;background:#f6f7fb}*{box-sizing:border-box}body{margin:0;min-height:100vh}button{cursor:pointer;border:1px solid #1f2933;background:#fff;border-radius:6px}input,select{border:1px solid #cbd2d9;border-radius:6px}