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

body{
    background:#eef2f7;
    min-height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    padding:30px;
}

.login-container{
    width:100%;
    max-width:1100px;
    min-height:650px;
    display:flex;
    background:#fff;
    border-radius:18px;
    overflow:hidden;
    box-shadow:0 20px 60px rgba(0,0,0,.15);
}

.login-left{
    width:38%;
    background:#1f2b43;
    color:#fff;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    padding:40px;
    text-align:center;
}

.login-logo{
    width:220px;
    max-width:90%;
    margin-bottom:35px;
}

.login-left h2{
    font-size:34px;
    margin-bottom:12px;
}

.login-left p{
    color:#d4d9e2;
    font-size:18px;
    line-height:28px;
}

.login-footer{
    margin-top:auto;
    padding-top:40px;
    font-size:14px;
    color:#bfc7d4;
}

.login-right{
    width:62%;
    padding:70px;
    display:flex;
    flex-direction:column;
    justify-content:center;
}

.login-right h1{
    font-size:36px;
    margin-bottom:8px;
}

.subtitle{
    color:#666;
    margin-bottom:35px;
    display:block;
}

.input-group{
    margin-bottom:22px;
}

.input-group label{
    display:block;
    font-weight:600;
    margin-bottom:8px;
}

.input-group input{
    width:100%;
    padding:14px 16px;
    border:1px solid #d8d8d8;
    border-radius:8px;
    font-size:15px;
    transition:.3s;
}

.input-group input:focus{
    outline:none;
    border-color:#0058f4;
    box-shadow:0 0 0 3px rgba(0,88,244,.15);
}

.forgot-password{
    text-align:right;
    margin-bottom:25px;
}

.forgot-password a{
    color:#0058f4;
    text-decoration:none;
    font-weight:600;
}

.forgot-password a:hover{
    text-decoration:underline;
}

button{
    width:100%;
    padding:15px;
    border:none;
    border-radius:8px;
    background:#0058f4;
    color:#fff;
    font-size:16px;
    font-weight:600;
    cursor:pointer;
    transition:.3s;
}

button:hover{
    background:#0047c7;
}

.error-message{
    background:#ffe5e5;
    color:#c62828;
    padding:12px;
    border-radius:8px;
    margin-bottom:25px;
    text-align:center;
}

@media(max-width:900px){

    .login-container{
        flex-direction:column;
    }

    .login-left,
    .login-right{
        width:100%;
    }

    .login-left{
        padding:50px 30px;
    }

    .login-right{
        padding:40px 30px;
    }

    .login-logo{
        width:180px;
    }

    .login-right h1{
        font-size:30px;
    }
}