/* Page Gallery Manager - Public Styles */
.pgm-gallery-wrap {
    width: 100%;
    margin: 20px 0;
}

/* Grid */
.pgm-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

@media (max-width: 768px) {
    .pgm-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
    .pgm-grid { grid-template-columns: repeat(2, 1fr); gap: 5px; }
}

/* Grid Item */
.pgm-grid-item {
    cursor: pointer;
    border-radius: 6px;
    overflow: hidden;
}

.pgm-grid-inner {
    position: relative;
    aspect-ratio: 1;
    background: #f0f0f0;
    overflow: hidden;
}

.pgm-grid-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.pgm-grid-item:hover .pgm-grid-inner img {
    transform: scale(1.06);
}

.pgm-grid-hover {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.25s;
}

.pgm-grid-item:hover .pgm-grid-hover {
    opacity: 1;
}

/* Lightbox Backdrop */
.pgm-lightbox {
    position: fixed;
    inset: 0;
    z-index: 999999;
}

.pgm-lb-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    cursor: pointer;
}

.pgm-lb-container {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 70px;
    pointer-events: none;
}

/* Image Wrap */
.pgm-lb-img-wrap {
    position: relative;
    max-width: 100%;
    max-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

#pgm-lb-img {
    max-width: 100%;
    max-height: calc(100vh - 120px);
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 10px 60px rgba(0, 0, 0, 0.5);
    display: block;
    opacity: 0;
    transition: opacity 0.25s;
}

#pgm-lb-img.loaded {
    opacity: 1;
}

/* Loader */
.pgm-lb-loader {
    position: absolute;
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255,255,255,0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pgm-spin 0.7s linear infinite;
    display: none;
}

.pgm-lb-loader.active { display: block; }

@keyframes pgm-spin {
    to { transform: rotate(360deg); }
}

/* Buttons */
.pgm-lb-close,
.pgm-lb-prev,
.pgm-lb-next {
    position: fixed;
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    transition: background 0.2s, transform 0.2s;
    backdrop-filter: blur(4px);
}

.pgm-lb-close:hover,
.pgm-lb-prev:hover,
.pgm-lb-next:hover {
    background: rgba(255,255,255,0.25);
    transform: scale(1.1);
}

.pgm-lb-close {
    top: 16px;
    right: 16px;
}

.pgm-lb-prev {
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
}
.pgm-lb-prev:hover { transform: translateY(-50%) scale(1.1); }

.pgm-lb-next {
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
}
.pgm-lb-next:hover { transform: translateY(-50%) scale(1.1); }

/* Counter */
.pgm-lb-counter {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    font-family: sans-serif;
    pointer-events: none;
    background: rgba(0,0,0,0.4);
    padding: 4px 14px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}

/* Animation */
.pgm-lightbox.pgm-open {
    animation: pgm-fade-in 0.2s ease;
}
@keyframes pgm-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@media (max-width: 600px) {
    .pgm-lb-container { padding: 50px 50px; }
    .pgm-lb-prev { left: 6px; }
    .pgm-lb-next { right: 6px; }
}