body { font-family: Roboto; margin:0; background:#f5f5f5 }
.sidebar {
 width:240px; position:fixed; height:100%;
 background:#1e293b; color:white; padding:20px
}
.sidebar a { color:white; display:block; margin:10px 0; text-decoration:none }
.content { margin-left:260px; padding:20px }
.card {
 background:white; padding:20px; border-radius:12px;
 box-shadow:0 10px 30px rgba(0,0,0,.1)
}
.grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px }

.table {
 width:100%;
 background:white;
 border-radius:12px;
 overflow:hidden;
}
.table th, .table td {
 padding:12px;
 border-bottom:1px solid #eee;
}
.btn {
 display:inline-block;
 background:#2563eb;
 color:white;
 padding:10px 16px;
 border-radius:8px;
 text-decoration:none;
 border:none;
 cursor:pointer;
}

.sidebar h4.menu-title {
    margin-top: 20px;
    margin-bottom: 5px;
    font-size: 12px;
    text-transform: uppercase;
    color: #94a3b8;
}

.sidebar a {
    display: block;
    padding: 8px 10px;
    border-radius: 6px;
    margin-bottom: 4px;
}

.sidebar a:hover {
    background: rgba(255,255,255,0.1);
}