body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    padding: 20px;
}

#container {
    max-width: 1000px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

#controls label {
    grid-column: 1 / 2;
    align-self: center;
    font-weight: bold;
}

#controls input[type="number"] {
    grid-column: 2 / 3;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#controls button {
    grid-column: 1 / 3;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1em;
    margin-top: 10px;
}

#controls button:hover {
    background-color: #45a049;
}

#map-container {
    margin-top: 20px;
}

#map {
    height: 500px; /* Essential for map visibility */
    width: 100%;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.note {
    font-style: italic;
    color: #888;
    text-align: center;
    margin-top: 10px;
}