body{
    margin:0;
    padding:0;
    font-family:'Segoe UI',sans-serif;
    background:#f5f6fa;
}

.login-container{
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
}

.login-card{
    width:400px;
    background:white;
    padding:40px;
    border-radius:12px;
    box-shadow:0 10px 30px rgba(0,0,0,.1);
}

.login-card h1{
    margin:0;
    color:#1e3a8a;
    font-size:32px;
}

.login-card p{
    color:#666;
    margin-bottom:25px;
}

.login-card input{
    width:100%;
    padding:12px;
    margin-bottom:15px;
    border:1px solid #dcdcdc;
    border-radius:8px;
    box-sizing:border-box;
}

.login-card button{
    width:100%;
    padding:12px;
    border:none;
    border-radius:8px;
    background:#1e3a8a;
    color:white;
    cursor:pointer;
}

.login-card button:hover{
    background:#14296a;
}

.error{
    background:#ffe5e5;
    color:#c62828;
    padding:10px;
    border-radius:8px;
    margin-bottom:15px;
}