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

body{
background:#0f172a;
color:#fff;
}

.container{
display:flex;
min-height:100vh;
}

/* Sidebar */

.sidebar{
width:250px;
background:#111827;
padding:25px;
}

.sidebar h2{
color:#facc15;
margin-bottom:40px;
}

.sidebar ul{
list-style:none;
}

.sidebar li{
margin-bottom:15px;
}

.sidebar a{
display:block;
padding:15px;
color:#fff;
text-decoration:none;
border-radius:10px;
transition:.3s;
}

.sidebar a:hover,
.sidebar .active a{
background:#2563eb;
}

.sidebar i{
margin-right:10px;
}

/* Main */

.main{
flex:1;
padding:40px;
max-width:700px;
}

.header{
margin-bottom:30px;
}

.header h1{
font-size:32px;
color:#facc15;
margin-bottom:8px;
}

.header p{
color:#94a3b8;
}

/* Settings boxes */

.settings-box{
background:#1e293b;
padding:30px;
border-radius:20px;
margin-bottom:30px;
}

.settings-box h2{
margin-bottom:20px;
}

form{
display:flex;
flex-direction:column;
gap:12px;
}

label{
font-weight:bold;
}

input{
padding:15px;
border-radius:10px;
border:none;
outline:none;
background:#334155;
color:white;
font-size:16px;
}

button{
margin-top:15px;
padding:15px;
background:#facc15;
border:none;
border-radius:10px;
font-weight:bold;
font-size:16px;
cursor:pointer;
}

button:hover{
background:#eab308;
}

button:disabled{
opacity:.6;
cursor:not-allowed;
}

/* Toggle row */

.toggle-row{
display:flex;
justify-content:space-between;
align-items:center;
gap:20px;
margin-bottom:10px;
}

.toggle-row h4{
margin-bottom:4px;
}

.toggle-row p{
color:#94a3b8;
font-size:14px;
}

/* Switch */

.switch{
position:relative;
display:inline-block;
width:50px;
height:28px;
flex-shrink:0;
}

.switch input{
opacity:0;
width:0;
height:0;
}

.slider{
position:absolute;
cursor:pointer;
top:0;
left:0;
right:0;
bottom:0;
background:#334155;
transition:.3s;
border-radius:28px;
}

.slider:before{
position:absolute;
content:"";
height:20px;
width:20px;
left:4px;
bottom:4px;
background:white;
transition:.3s;
border-radius:50%;
}

.switch input:checked + .slider{
background:#22c55e;
}

.switch input:checked + .slider:before{
transform:translateX(22px);
}

/* Message box */

.message-box{
display:none;
padding:14px 16px;
margin-bottom:20px;
border-radius:10px;
font-size:14px;
font-weight:600;
}

.message-box.success{
display:block;
background:#ecfdf3;
color:#15803d;
border:1px solid #bbf7d0;
}

.message-box.error{
display:block;
background:#fef2f2;
color:#b91c1c;
border:1px solid #fecaca;
}

@media(max-width:900px){

.container{
flex-direction:column;
}

.sidebar{
width:100%;
}

.main{
padding:20px;
max-width:100%;
}

}