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

body{
    background:#f4f6f9;
}

/* SIDEBAR */

.sidebar{
    position:fixed;
    left:0;
    top:0;
    width:250px;
    height:100vh;
    background:#1e293b;
    padding-top:30px;
}

.sidebar h2{
    color:white;
    text-align:center;
    margin-bottom:30px;
}

.sidebar a{
    display:block;
    color:white;
    text-decoration:none;
    padding:15px 25px;
    transition:0.3s;
}

.sidebar a:hover{
    background:#6d5dfc;
}

/* MAIN CONTENT */

.main{
    margin-left:250px;
    padding:40px;
}

/* HERO */

.hero{
    margin-bottom:40px;
}

.hero h1{
    font-size:48px;
    color:#1e293b;
    margin-bottom:15px;
}

.hero p{
    font-size:20px;
    color:#64748b;
}

/* CARDS */

.card{
    background:white;
    padding:30px;
    border-radius:15px;
    box-shadow:0 4px 12px rgba(0,0,0,0.08);
    margin-bottom:30px;
}

.card h2{
    color:#6d5dfc;
    margin-bottom:20px;
}

.card p{
    line-height:1.8;
    margin-bottom:15px;
}

/* BUTTON */

.btn{
    display:inline-block;
    background:#6d5dfc;
    color:white;
    text-decoration:none;
    padding:15px 25px;
    border-radius:10px;
    margin-top:10px;
}

.btn:hover{
    background:#5646e8;
}

/* MONITORING CARDS */

.monitor-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:20px;
}

.monitor-box{
    background:#f8fafc;
    padding:25px;
    border-radius:12px;
    text-align:center;
}

.monitor-box h3{
    color:#6d5dfc;
    margin-bottom:10px;
}

.online{
    color:green;
    font-weight:bold;
}

/* MOBILE */

@media(max-width:768px){

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

    .main{
        margin-left:0;
    }

}