body{
font-family:Arial;
margin:0;
background:#f5f7fa;
}

.topbar{
background:#0f766e;
color:white;
padding:15px;
display:flex;
justify-content:space-between;
}

.sidebar{
width:220px;
background:white;
height:100vh;
position:fixed;
padding:20px;
border-right:1px solid #ddd;
}

.sidebar a{
display:block;
padding:10px;
text-decoration:none;
color:#333;
}

.container{
margin-left:240px;
padding:30px;
}

.content{
background:white;
padding:30px;
border-radius:8px;
}

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

.login-box{
background:white;
padding:40px;
border-radius:8px;
width:300px;
}

input{
width:100%;
padding:10px;
margin-bottom:10px;
}

button{
background:#f59e0b;
border:none;
padding:12px;
width:100%;
color:white;
cursor:pointer;
}

.error{
color:red;
}

.success{
color:green;
}