html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100dvh;
    overflow: hidden;
    font-family: 'Roboto', sans-serif;
    background: #1a1a2e;
}

#map {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.region-label {
    pointer-events: none;
    opacity: 0;
    transition: opacity 5s ease;
}

.region-label.visible {
    opacity: 1;
}

.region-label span {
    display: block;
    font-weight: 700;
    letter-spacing: 0.2em;
    white-space: nowrap;

}