body{
    background:#F8FAFC;
    font-family:Inter,sans-serif;
}

.cel-container{
    display:flex;
    min-height:100vh;
}

.cel-sidebar{
    width:260px;
    background:#ffffff;
    border-right:1px solid #e5e7eb;
    padding:20px;
}

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

.cel-card{
    background:#FFF;
    border-radius:16px;
    padding:20px;
    box-shadow:0 2px 12px rgba(0,0,0,.08);
}

.cel-logo{
    margin-bottom:30px;
}

.cel-menu{
    list-style:none;
    padding:0;
    margin:0;
}

.cel-menu li{
    margin-bottom:10px;
}

.cel-menu a{
    display:block;
    text-decoration:none;
    color:#334155;
    padding:12px;
    border-radius:10px;
}

.cel-menu a:hover{
    background:#f1f5f9;
}

.cel-header{
    margin-bottom:20px;
}

.cel-card{
    background:#ffffff;
    border-radius:16px;
    padding:20px;
    box-shadow:0 2px 12px rgba(0,0,0,.08);
}