*{box-sizing:border-box;margin:0;padding:0}body{font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f0f6ff;color:#2d3748;min-height:100vh}a{color:#4a90d9;text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;font-family:inherit}.card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;box-shadow:0 1px 3px #0000000f}