/* ==========================
Number Manager Pro V5
style.css
========================== */

*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{
font-family:Arial, Helvetica, sans-serif;
background:#eef2f7;
color:#333;
}

.sidebar{
position:fixed;
left:0;
top:0;
width:320px;
height:100vh;
overflow-y:auto;
background:#1e293b;
color:#fff;
padding:20px;
}

.sidebar h2{
text-align:center;
margin-bottom:20px;
}

.sidebar h3{
font-size:15px;
margin-bottom:10px;
}

.section{
margin-bottom:20px;
}

.sidebar input,
.sidebar select,
.sidebar button{
width:100%;
padding:10px;
margin-bottom:8px;
border:none;
border-radius:6px;
}

.sidebar input,
.sidebar select{
background:#fff;
color:#000;
}

.sidebar button{
background:#2563eb;
color:#fff;
cursor:pointer;
transition:0.3s;
}

.sidebar button:hover{
background:#1d4ed8;
}

.sidebar button.danger{
background:#dc2626;
}

.sidebar button.danger:hover{
background:#b91c1c;
}

.main{
margin-left:340px;
padding:20px;
}

.card{
background:#fff;
padding:20px;
border-radius:10px;
margin-bottom:20px;
box-shadow:0 2px 8px rgba(0,0,0,0.1);
}

.stats{
display:flex;
gap:20px;
flex-wrap:wrap;
}

.stat-box{
flex:1;
min-width:180px;
background:#f8fafc;
padding:20px;
border-radius:10px;
text-align:center;
}

.stat-box h3{
font-size:30px;
color:#2563eb;
}

.stat-box p{
margin-top:10px;
}

textarea{
width:100%;
height:600px;
padding:15px;
border:1px solid #ddd;
border-radius:8px;
resize:none;
font-family:Consolas, monospace;
}

.alert{
background:#16a34a;
color:#fff;
padding:10px;
border-radius:6px;
margin-bottom:15px;
}

hr{
border:none;
border-top:1px solid rgba(255,255,255,0.2);
margin:15px 0;
}

/* Mobile */

@media(max-width:768px){

.sidebar{
position:relative;
width:100%;
height:auto;
}

.main{
margin-left:0;
padding:15px;
}

.stats{
flex-direction:column;
}

}