body{font-family:Arial;background:#f4f6f8;}
.login-page{display:flex;justify-content:center;align-items:center;height:100vh;}
.login-box{background:#fff;padding:30px;width:300px;}
.topbar{background:#1f2937;color:#fff;padding:10px;}
.container{padding:20px;}
.card{background:#fff;padding:15px;margin:10px;}