body{

background:#eef3f8;

font-family:Arial,Helvetica,sans-serif;

}

.sidebar{

background:#0a4d8c;

min-height:100vh;

color:white;

}

.sidebar h3{

font-weight:bold;

}

.menu-item{

display:block;

padding:15px;

color:white;

text-decoration:none;

margin-bottom:5px;

border-radius:8px;

}

.menu-item:hover{

background:#1565c0;

}

.stat-card{

padding:30px;

text-align:center;

border:none;

border-radius:15px;

box-shadow:0 10px 20px rgba(0,0,0,.08);

}

.stat-card h2{

font-size:50px;

color:#0a4d8c;

}

.btn{

padding:18px;

font-size:18px;

border-radius:10px;

}