:root {
    /* Global Variables - can be overridden by theme */
    --pg-primary-bg: #000000;
    --pg-accent: #00f2ff;
    --pg-overlay: rgba(0, 0, 0, 0.7);
    --pg-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.propague-gallery-container,
.propague-video-container {
    /* Local Scope */
    --gallery-bg: var(--pg-primary-bg);
    --gallery-accent: var(--pg-accent);
    
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--gallery-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    overflow: hidden;
    color: #fff;
}

/* ==========================================================================
   MAIN STAGE (Slides)
   ========================================================================== */
.propague-main-stage {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.propague-gallery-slide {
    display: none;
    width: 100%;
}

.propague-gallery-slide.active {
    display: block;
    animation: pgFadeIn 0.5s ease;
}

@keyframes pgFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.propague-media-wrapper {
    position: relative;
    width: 100%;
    background: #000;
    cursor: pointer;
}

/* Aspect Ratios */
.ratio-16-9 { padding-bottom: 56.25%; }
.ratio-9-16 { padding-bottom: 177.77%; }
.ratio-4-3  { padding-bottom: 75%; }
.ratio-1-1  { padding-bottom: 100%; }
.ratio-auto { 
    padding-bottom: 0;
    height: auto;
    min-height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #111;
}

.propague-media-poster,
.propague-media-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.propague-media-wrapper[class*="ratio-"] .propague-media-poster {
    object-fit: cover; 
}

.propague-media-wrapper.ratio-auto .propague-media-image {
    position: relative;
    height: auto;
    max-height: 80vh;
}

/* Play Button */
.propague-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--pg-transition);
    border: 2px solid rgba(255, 255, 255, 0.5);
    z-index: 10;
}

.propague-play-button svg {
    width: 40px;
    height: 40px;
    fill: #fff;
    margin-left: 4px;
}

.propague-media-wrapper:hover .propague-play-button {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--gallery-accent);
    border-color: var(--gallery-accent);
}

.propague-media-wrapper:hover .propague-play-button svg {
    fill: #000;
}

/* ==========================================================================
   NAVIGATION & THUMBNAILS
   ========================================================================== */
.propague-gallery-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 20px;
    gap: 15px;
    padding: 10px;
}

.propague-nav-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--gallery-accent);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--pg-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.propague-nav-btn svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.propague-nav-btn:hover:not(:disabled) {
    background: var(--gallery-accent);
    color: #000;
    border-color: var(--gallery-accent);
}

.propague-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: transparent;
}

/* Thumbnail Viewport */
.propague-thumbnails-viewport {
    flex: 1;
    overflow: hidden;
    position: relative;
    user-select: none;
}

.propague-thumbnails-track {
    display: flex;
    gap: 12px; /* Default gap */
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    will-change: transform;
    cursor: grab;
    touch-action: pan-y; /* Allow vertical scroll, handle horizontal via JS */
}

.propague-thumbnails-track.grabbing {
    cursor: grabbing;
    transition: none;
}

.propague-thumbnail-item {
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    opacity: 0.5;
    transition: opacity 0.3s, border-color 0.3s;
    border: 2px solid transparent;
    cursor: pointer;
    
    /* Prevent squeezing and set default width for 5 items */
    flex-shrink: 0;
    width: calc((100% - 48px) / 5); /* (100% - 4*12px) / 5 */
}

.propague-thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
    display: block;
}

.propague-thumbnail-item:hover {
    opacity: 0.8;
}

.propague-thumbnail-item.active {
    opacity: 1;
    border-color: var(--gallery-accent);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .propague-play-button {
        width: 60px;
        height: 60px;
    }
    
    .propague-play-button svg {
        width: 30px;
        height: 30px;
    }
    
    .propague-gallery-nav {
        gap: 10px;
    }
}