body{
    margin:0;
    font-family:Arial,sans-serif;
    background:#f4f6f9;
}

.wrapper{
    display:flex;
}

.sidebar{
    width:250px;
    min-height:100vh;
    background:#0f172a;
    color:white;
    padding:20px;
}

.sidebar h3{
    margin-bottom:30px;
}

.sidebar ul{
    list-style:none;
    padding:0;
}

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

.sidebar a{
    color:white;
    text-decoration:none;
}

.content{
    flex:1;
    padding:30px;
}

.footer{
    text-align:center;
    padding:20px;
    background:#ffffff;
}

.dark-mode{
    background:#111827;
    color:white;
}

.dark-mode .footer{
    background:#1f2937;
}

card{
    border:none;
    border-radius:15px;
}

.card h2{
    font-size:32px;
    font-weight:bold;
}

.shadow{
    box-shadow:0 0 15px rgba(0,0,0,0.1)!important;
}

.card{
    border:none;
    border-radius:15px;
}

.card-header{
    font-weight:bold;
}

.card-body p{
    margin:0;
}

.text-success{
    color:#16a34a !important;
}