.ehsv-widget {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
}

.ehsv-frame-stack {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.ehsv-frame-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    min-width: 100%;
    min-height: 100%;
    max-width: none;
    display: block;
    border: 0;
}

.ehsv-frame-image {
    object-fit: cover;
    pointer-events: none;
}

.ehsv-frame-layer {
    transition: opacity 80ms linear;
    will-change: opacity;
}

.ehsv-fade-overlay {
    position: absolute;
    inset: 0;
    background: #000;
    opacity: 0;
    pointer-events: none;
    z-index: 999;
    transition: opacity 80ms linear;
}

.ehsv-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: inherit;
    padding: 20px;
    background: #f5f5f5;
    color: #555;
    text-align: center;
}