body{
    margin:0;
    padding:0;
    font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;
    background:linear-gradient(135deg,#0d6efd,#4e73df);
    height:100vh;
}

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

.login-card{
    width:420px;
    background:#fff;
    border-radius:20px;
    box-shadow:0 15px 40px rgba(0,0,0,.25);
    padding:35px;
}

.logo{
    width:100px;
    height:100px;
    object-fit:contain;
    margin-bottom:15px;
}

.title{
    font-size:26px;
    font-weight:bold;
    color:#0d6efd;
}

.subtitle{
    color:#666;
    margin-bottom:25px;
}

.form-control{
    border-radius:10px;
    padding:12px;
}

.btn-login{
    width:100%;
    padding:12px;
    border-radius:10px;
    font-size:17px;
}

.footer{
    text-align:center;
    margin-top:20px;
    color:#777;
    font-size:13px;
}