*{
    box-sizing:border-box;
}

body{
    margin:0;
    font-family:Arial, sans-serif;
    background:#f4f6f8;
}

.erp-login-page{
    display:flex;
    justify-content:center;
    align-items:center;
    padding:60px 20px;
}

.erp-card{
    width:100%;
    max-width:700px;
    background:white;
    padding:40px;
    border-radius:20px;
    box-shadow:0 8px 25px rgba(0,0,0,.12);
}

.back-link{
    text-decoration:none;
    color:#2563eb;
    font-weight:bold;
}

.logo-section{
    text-align:center;
    margin-top:15px;
}

.logo-section img{
    width:120px;
}

.logo-section h1{
    margin-top:15px;
    font-size:42px;
}

.intro-text{
    text-align:center;
    color:#555;
    line-height:1.7;
    margin-bottom:30px;
}

.login-form{
    display:flex;
    flex-direction:column;
    gap:20px;
}

.form-group{
    display:flex;
    flex-direction:column;
}

.form-group label{
    margin-bottom:8px;
    font-weight:bold;
}

.form-group input{
    padding:14px;
    border:1px solid #d1d5db;
    border-radius:10px;
    font-size:16px;
}

#signin{
    border:none;
    background:#2563eb;
    color:white;
    padding:15px;
    border-radius:10px;
    font-size:16px;
    font-weight:bold;
    cursor:pointer;
}

#signin:hover{
    background:#1d4ed8;
}

.credentials-box{
    margin-top:30px;
    padding:20px;
    background:#eef4ff;
    border-radius:12px;
}

.credentials-box h3{
    margin-top:0;
}

footer{
    text-align:center;
    padding:20px;
}