*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, sans-serif;
}

body{
    background:#f5f6fa;
}

.login-box{
    width:400px;
    background:#fff;
    padding:30px;
    margin:100px auto;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,0.1);
}

.login-box h2{
    text-align:center;
    margin-bottom:20px;
    color:#333;
}

.login-box input{
    width:100%;
    padding:12px;
    margin-bottom:15px;
    border:1px solid #ccc;
    border-radius:5px;
}

.login-box button{
    width:100%;
    padding:12px;
    background:#2563eb;
    color:#fff;
    border:none;
    border-radius:5px;
    cursor:pointer;
}

.login-box button:hover{
    background:#1d4ed8;
}

.alert{
    background:#fee2e2;
    color:#dc2626;
    padding:10px;
    margin-bottom:15px;
    border-radius:5px;
}