.sidebar {
    min-height: 100vh;
    background-color: #343a40;
    color: white;
}
.sidebar a {
    color: rgba(255, 255, 255, 0.8);
    padding: 10px 15px;
    display: block;
}
.sidebar a:hover {
    color: white;
    text-decoration: none;
    background-color: rgba(255, 255, 255, 0.1);
}
.sidebar a.active {
    background-color: rgba(255, 255, 255, 0.2);
}
.card-dashboard {
    transition: transform 0.3s;
}
.card-dashboard:hover {
    transform: translateY(-5px);
}
.avatar-img {
    max-width: 80px;
    max-height: 80px;
    object-fit: contain;
}
.table th, .table td {
    vertical-align: middle;
}