body {
    font-family: Arial, sans-serif;
    background-color: #f8f8f8;
    margin: 0;
}
main {
    display: flex;
    min-height: 100vh;
}
h1 {
    font-size: 3em;
    color: #333;
    margin-block: 0.67em;
    margin-bottom: 0.1rem;
}
.subtitle {
    color: #666;
    font-size: 1.5rem;
    line-height: 1.25;
    margin: 0 0 2rem;
}
#mapContainer p {
    font-size: 1.5rem;
    color: #666;
}
#mapContainer {
    box-sizing: border-box;
    flex: 1 1 auto;
    width: 75vw;
    max-width: 75vw;
    min-width: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 1.5em;
    color: #666;
}
#mapContainer img {
    display: block;
    max-width: 100%;
    max-height: 100vh;
    width: auto;
    height: auto;
    object-fit: contain;
}
#controls {
    box-sizing: border-box;
    width: 25vw;
    flex: 0 0 25vw;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
}
input[type="number"] {
    appearance: textfield;
    -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

@media (max-width: 800px) {
    main {
        flex-direction: column;
        min-height: auto;
    }
    #controls {
        width: 100%;
        flex: none;
        justify-content: flex-start;
        padding: 1rem;
    }
    #mapContainer {
        width: 100%;
        max-width: none;
        height: auto;
        min-height: 50vh;
    }
    #mapContainer img {
        max-height: 60vh;
    }
}