body {
    margin: 0;
    padding: 0;
    background: #f8f9fa;
    font-family: Arial, Helvetica, sans-serif;
    display: flex;
    flex-direction: column;
    height: 520px;
    overflow: hidden;
}

#controls {
    background: #444466;
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

#controls select {
    background: #FFFFFF;
    border: 1px solid #AAAAAA;
    padding: 4px 8px;
    font-size: 12px;
    border-radius: 4px;
    flex: 1;
    max-width: 400px;
}

#controls label {
    color: #FFFFFF;
    font-size: 11px;
    white-space: nowrap;
}

#info-panel {
    background: #FFFFFF;
    border-bottom: 2px solid #DDDDDD;
    padding: 6px 14px;
    min-height: 58px;
    max-height: 80px;
    overflow-y: auto;
}

#info-title { font-size: 12px; font-weight: bold; color: #333; margin-bottom: 3px; }
#info-body  { font-size: 11px; color: #555; line-height: 1.45; }

#network-container { flex: 1; }