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

body{
height:100vh;
background:linear-gradient(135deg,#2f3439,#1f2428);
display:flex;
justify-content:center;
align-items:center;
}

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

.login-box{
background:#fff;
padding:40px;
border-radius:12px;
width:350px;
box-shadow:0 10px 30px rgba(0,0,0,0.2);
text-align:center;
}

.login-logo{
height:50px;
margin-bottom:20px;
}

.login-box h2{
margin-bottom:5px;
color:#333;
}

.login-sub{
font-size:14px;
color:#777;
margin-bottom:25px;
}

.input-group{
text-align:left;
margin-bottom:18px;
}

.input-group label{
font-size:13px;
color:#555;
display:block;
margin-bottom:5px;
}

.input-group input{
width:100%;
padding:10px;
border-radius:6px;
border:1px solid #ccc;
outline:none;
font-size:14px;
}

.input-group input:focus{
border-color:#79b24a;
}

.login-btn{
width:100%;
padding:12px;
border:none;
background:#79b24a;
color:#fff;
font-size:15px;
border-radius:6px;
cursor:pointer;
transition:0.2s;
}

.login-btn:hover{
background:#6aa03e;
}