.yst-thumb-wrapper {
    position: relative;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    cursor: pointer;
    border: var(--yst-thumb-border, none);
    border-radius: var(--yst-thumb-radius, 16px);
    box-shadow: var(--yst-thumb-shadow, none);
    display: block;
}

.yst-thumb-wrapper picture,
.yst-thumb-wrapper .yst-thumb-img {
    display: block;
    width: 100%;
    height: auto;
}

/* For consistent aspect ratio if you want it */
.yst-thumb-wrapper::before {
    content: "";
    display: block;
    padding-top: 56.25%; /* 16:9 */
}
.yst-thumb-wrapper picture,
.yst-thumb-wrapper .yst-thumb-img,
.yst-thumb-wrapper > picture > img {
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
}

/* Centered play icon */
.yst-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    width: var(--yst-icon-size, 72px);
    height: var(--yst-icon-size, 72px);
    transform: translate(-50%, -50%);
    border-radius: 999px;
    background: var(--yst-icon-bg, #ffffff);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0,0,0,0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
    opacity: 0.95;
}

.yst-play-icon .yst-play-triangle {
    width: 0;
    height: 0;
    border-left: 18px solid rgba(0,0,0,0.85);
    border-top: 11px solid transparent;
    border-bottom: 11px solid transparent;
    margin-left: 3px;
}

.yst-thumb-wrapper:hover .yst-play-icon {
    transform: translate(-50%, -50%) scale(1.05);
    box-shadow: 0 12px 30px rgba(0,0,0,0.45);
}

/* Fullscreen overlay */
#yst-video-overlay {
    position: fixed;
    z-index: 999999;
    inset: 0;
    background: rgba(0,0,0,0.85);
    display: flex;
    align-items: center;
    justify-content: center;
}

#yst-video-overlay-inner {
    position: relative;
    width: 100%;
    max-width: 960px;
    margin: 0 10px;
    aspect-ratio: 16/9;
    background: #000;
}

#yst-video-overlay-inner iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

#yst-video-overlay-close {
    position: fixed;
    top: 14px;
    right: 18px;
    color: #ffffff;
    font-size: 26px;
    cursor: pointer;
    z-index: 1000000;
    font-weight: 700;
}

/* Fallback iframe block */
.yst-iframe-fallback iframe {
    width: 100%;
    aspect-ratio: 16/9;
}