.table-custom {
        border-collapse: separate;
        border-spacing: 0;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    .table-custom thead th {
        background-color: #0d6efd;
        color: #ffffff;
        font-weight: 600;
        padding: 12px;
        text-align: left;
        border-bottom: 2px solid #dee2e6;
        position: sticky;
        top: 0;
        z-index: 10;
    }
    .table-custom tbody tr {
        background-color: #ffffff;
    }
    .table-custom tbody tr:nth-child(even) {
        background-color: #f8f9fa;
    }
    .table-custom td {
        padding: 12px;
        vertical-align: middle;
        border-bottom: 1px solid #dee2e6;
    }
    .table-custom .dropdown-menu {
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    .table-custom .dropdown-item {
        padding: 8px 16px;
        font-size: 14px;
    }
    .table-custom .dropdown-item i {
        margin-right: 8px;
    }
    .department-container {
        display: flex;
        justify-content: center;
        flex-direction: column;
        margin-right: 35px;
        margin-left: 35px;
    }
    .filter-card {
        padding: 1.5rem;
        border-radius: 8px;
        background: #ffffff;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }
    .filter-card .input-group {
        border-radius: 6px;
        overflow: hidden;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    }
    .filter-card .input-group-text {
        background-color: #f1f3f5;
        border: none;
        font-size: 0.9rem;
        color: #495057;
    }
    .filter-card .form-select,
    .filter-card .form-control {
        border: none;
        font-size: 0.9rem;
        padding: 0.75rem;
    }
    .filter-card .btn-search {
        border-radius: 6px;
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
        font-weight: 500;
    }
    @media (max-width: 768px) {
        .filter-card .input-group {
            flex: 1 1 100%;
        }
        .filter-card .btn-search {
            width: 100%;
            margin-top: 0.5rem;
        }
        .department-container {
            margin-right: 15px;
            margin-left: 15px;
        }
    }
    @media (max-width: 576px) {
        .department-container {
            margin-right: 10px;
            margin-left: 10px;
        }
        .filter-card {
            padding: 1rem;
        }
        .filter-card .form-label {
            font-size: 0.875rem;
        }
    }
    .chart-container {
        position: relative;
        height: 300px; /* Fixed height for line chart */
        width: 100%;
        margin: 0 auto; /* Center the chart */
    }
    @media (max-width: 768px) {
        .chart-container {
            height: 250px; /* Adjust height for smaller screens */
        }
    }
    @media (max-width: 576px) {
        .chart-container {
            height: 200px;
        }
    }
    .dropdown-item.active {
        background-color: #0d6efd;
        color: #ffffff;
    }
    /* Hide specific columns on mobile */
    @media (max-width: 767.98px) {
        .mobile-hidden {
            display: none !important;
        }
        .table-custom thead th.mobile-hidden,
        .table-custom tbody td.mobile-hidden {
            display: none !important;
        }
        .table-custom {
            font-size: 0.875rem;
        }
        .table-custom td {
            padding: 8px 4px;
        }
    }
    /* Tablet adjustments */
    @media (max-width: 991.98px) and (min-width: 768px) {
        .table-custom td {
            padding: 10px;
            font-size: 0.9rem;
        }
        .chart-container {
            height: 280px;
        }
    }