body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f3f5f7;
}

header {
    background: #2a7b2e;
    color: #fff;
    padding: 20px;
    text-align: center;
}

main {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 15px;
}

#controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

#regionSelect, button {
    padding: 8px;
    font-size: 16px;
}

#map {
    height: 450px;
    border: 2px solid #ddd;
    border-radius: 6px;
}

#info-panel {
    background: #fff;
    padding: 15px;
    border-radius: 6px;
}

#charts {
    background: #fff;
    padding: 15px;
    border-radius: 6px;
}