:root{--text: #133577}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Trebuchet MS,Verdana,sans-serif;color:var(--text);background:radial-gradient(circle at 10% 10%,#96efff 0%,transparent 27%),radial-gradient(circle at 90% 80%,#c5f8a8 0%,transparent 28%),linear-gradient(180deg,#1d78ff,#70b4ff)}button,input{font:inherit}.card{background:#fffffff5;border-radius:18px;padding:1rem;box-shadow:0 10px 28px #0b2c7e3d}