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

body{
background:#f5f7fb;
display:flex;
}

.sidebar{
width:260px;
height:100vh;
background:#111827;
position:fixed;
left:0;
top:0;
padding:20px;
display:flex;
flex-direction:column;
}

.logo{
font-size:28px;
font-weight:bold;
color:white;
margin-bottom:30px;
}

.sidebar a{
color:white;
text-decoration:none;
padding:14px;
border-radius:10px;
margin-bottom:8px;
display:block;
}

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

.bottom-menu{
margin-top:auto;
}

.main{
margin-left:260px;
width:100%;
}

.header{
background:white;
padding:20px 30px;
display:flex;
justify-content:space-between;
align-items:center;
box-shadow:0 2px 10px rgba(0,0,0,.05);
}

.content{
padding:30px;
}

.page-title{
font-size:28px;
font-weight:bold;
margin-bottom:20px;
}

.cards{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:20px;
margin-bottom:30px;
}

.card{
background:white;
padding:25px;
border-radius:12px;
box-shadow:0 2px 10px rgba(0,0,0,.05);
}

.card h3{
font-size:15px;
color:#666;
margin-bottom:10px;
}

.card p{
font-size:32px;
font-weight:bold;
color:#2563eb;
}

.section{
background:white;
padding:25px;
border-radius:12px;
box-shadow:0 2px 10px rgba(0,0,0,.05);
margin-bottom:20px;
}

.btn{
background:#2563eb;
color:white;
border:none;
padding:12px 20px;
border-radius:8px;
cursor:pointer;
}

.table{
width:100%;
border-collapse:collapse;
margin-top:15px;
}

.table th,
.table td{
padding:12px;
border-bottom:1px solid #eee;
text-align:left;
}

@media(max-width:1200px){
.cards{
grid-template-columns:1fr 1fr;
}
}

@media(max-width:768px){

.sidebar{
width:80px;
}

.logo{
font-size:16px;
}

.main{
margin-left:80px;
}

.cards{
grid-template-columns:1fr;
}

}