*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{

    font-family:Arial,Helvetica,sans-serif;

    background:#f8fafc;

    display:flex;

    justify-content:center;

    align-items:center;

    height:100vh;

}

.login-card{

    width:420px;

    background:white;

    padding:40px;

    border-radius:18px;

    border:1px solid #e5e7eb;

    box-shadow:0 8px 30px rgba(0,0,0,.08);

}

h1{

    text-align:center;

    margin-bottom:10px;

    color:#111827;

}

p{

    text-align:center;

    color:#6b7280;

    margin-bottom:30px;

}

input{

    width:100%;

    padding:14px;

    margin-bottom:18px;

    border:1px solid #d1d5db;

    border-radius:10px;

    font-size:15px;

}

input:focus{

    outline:none;

    border-color:#2563eb;

}

button{

    width:100%;

    padding:14px;

    border:none;

    border-radius:10px;

    background:#2563eb;

    color:white;

    font-size:16px;

    cursor:pointer;

}

button:hover{

    background:#1d4ed8;

}

#error{

    margin-top:20px;

    text-align:center;

    color:#dc2626;

    font-weight:600;

}