body{

    margin:0;

    background:#f2f4f7;

    font-family:Arial;

}

.container{
    width:100%;
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:flex-start;
    padding:35px 15px;
    box-sizing:border-box;
}

.card{

    width:380px;

    background:white;

    padding:40px;

    border-radius:12px;

    box-shadow:0 0 20px rgba(0,0,0,.1);

}

.card h1{

    text-align:center;

    color:#1b66ff;

}

.card h3{

    text-align:center;

    margin-bottom:25px;

}

input{

    width:100%;

    padding:12px;

    margin-top:12px;

    box-sizing:border-box;

}

button{

    width:100%;

    padding:13px;

    margin-top:20px;

    border:none;

    background:#1b66ff;

    color:white;

    font-size:16px;

    cursor:pointer;

}

button:hover{

    background:#0047d9;

}

.error{

    background:#ffdcdc;

    color:red;

    padding:10px;

    margin-bottom:15px;

}