:root {
    /* Default thumbnail size (300 x 150) */
    --thumb-width: 300px;
    --thumb-height: 150px;
}

/* Only the song/video thumbnails: all of these have class="Story" */
img.Story {
    width: var(--thumb-width) !important;
    height: var(--thumb-height) !important;
    object-fit: cover;
    display: inline-block;
}

/* On smaller screens keep your 2-column layout */
@media (max-width: 1000px) {
    img.Story {
        width: var(--thumb-width) !important;
        height: var(--thumb-height) !important;
    }
}

/* Collapsible section styles */
.section-header img {
    cursor: pointer;
    transition: opacity 0.3s ease;
}
.section-header img.collapsed {
    opacity: 0.5;
}
.section-content {
    display: block;
}
.section-content.collapsed {
    display: none;
}

/* Size buttons: readable on dark background */
.size-button {
    font-size: 20px;
    font-weight: bold;
    padding: 4px 14px;
    margin: 0 8px;
    border-radius: 6px;
    border: 1px solid #999;
    background-color: #ffffff;
    color: #000000;
    cursor: pointer;
}
.size-button:hover:not(:disabled) {
    background-color: #f0f0f0;
}
.size-button:disabled {
    opacity: 0.4;
    cursor: default;
}