html, body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: black;
    font-family: Arial, sans-serif;
}

#cesiumContainer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
}

#loadingOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    z-index: 9999;
}

/* No legend */
#legend {
    display: none;
}

/* Hover Time Tooltip */
#timeTooltip {
    position: absolute;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.85);
    color: #dc9750;
    border: 1px solid #dc9750;
    border-radius: 6px;
    font-size: 14px;
    pointer-events: none;
    display: none;
    z-index: 10000;
    white-space: nowrap;
}