.utilization-dashboard {
    max-width: 1000px;
    margin: 20px 0;
}

.utilization-controls {
    margin: 20px 0;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 5px;
    border: 1px solid #ddd;
}

.utilization-controls label {
    margin-right: 10px;
    font-weight: bold;
    color: #333;
}

.utilization-controls select {
    margin-right: 15px;
    padding: 8px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

.utilization-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.stat-card {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}

.stat-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.stat-card h4 {
    margin: 0 0 10px 0;
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

.stat-value {
    font-size: 2.2em;
    font-weight: bold;
    color: #0073aa;
    margin: 10px 0;
    line-height: 1;
}

.stat-card small {
    color: #666;
    font-size: 12px;
    display: block;
    margin-top: 5px;
}

.utilization-table {
    margin: 30px 0;
}

.utilization-table h4 {
    margin-bottom: 15px;
    color: #333;
    font-size: 18px;
}

.utilization-table table {
    margin-top: 10px;
    border-collapse: collapse;
    width: 100%;
}

.utilization-table th {
    background: #f1f1f1;
    font-weight: 600;
    padding: 12px 8px;
    text-align: left;
    border-bottom: 2px solid #ddd;
}

.utilization-table td {
    padding: 10px 8px;
    border-bottom: 1px solid #eee;
}

.utilization-high {
    background-color: #d4edda !important;
    color: #155724;
    border-left: 4px solid #28a745;
}

.utilization-medium {
    background-color: #fff3cd !important;
    color: #856404;
    border-left: 4px solid #ffc107;
}

.utilization-low {
    background-color: #f8d7da !important;
    color: #721c24;
    border-left: 4px solid #dc3545;
}

#utilization-loading {
    text-align: center;
    padding: 40px;
    font-style: italic;
    color: #666;
    background: #f9f9f9;
    border-radius: 5px;
    border: 1px solid #ddd;
}

#utilization-error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 5px;
    border: 1px solid #f5c6cb;
    margin-top: 20px;
}

.button-primary {
    background: #0073aa;
    border-color: #0073aa;
    color: #fff;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.button-primary:hover {
    background: #005a87;
    border-color: #005a87;
}

@media (max-width: 768px) {
    .utilization-stats {
        grid-template-columns: 1fr;
    }
    
    .utilization-controls {
        text-align: center;
    }
    
    .utilization-controls select {
        display: block;
        width: 100%;
        margin: 10px 0;
    }
    
    .stat-value {
        font-size: 1.8em;
    }
    
    .utilization-table {
        overflow-x: auto;
    }
}