/* ============================================
   Portfolio Gallery - Main Styles
   ============================================ */

/* Controls Bar */
.pg-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.pg-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pg-filter-btn {
    padding: 8px 18px;
    border: 1px solid #ddd;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.pg-filter-btn:hover {
    border-color: #333;
}

.pg-filter-btn.active {
    background: #333;
    color: #fff;
    border-color: #333;
}

.pg-search {
    flex: 0 0 auto;
}

.pg-search-input {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    min-width: 200px;
    outline: none;
    transition: border-color 0.3s;
    font-family: inherit;
}

.pg-search-input:focus {
    border-color: #333;
}

.pg-sort-select {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
}

/* ============================================
   Layout: Grid & Tiles
   ============================================ */
.pg-layout-grid .pg-items,
.pg-layout-tiles .pg-items {
    display: grid;
    grid-template-columns: repeat(var(--pg-columns, 3), 1fr);
    gap: var(--pg-gap, 20px);
}

.pg-layout-grid .pg-item,
.pg-layout-tiles .pg-item {
    overflow: hidden;
    position: relative;
}

.pg-layout-grid .pg-item-image,
.pg-layout-tiles .pg-item-image {
    aspect-ratio: var(--pg-aspect-ratio, auto);
    overflow: hidden;
}

.pg-layout-grid .pg-item-image img,
.pg-layout-tiles .pg-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================
   Layout: Masonry (Isotope-driven)
   ============================================ */
.pg-layout-masonry .pg-items {
    /* Isotope handles layout */
}

.pg-layout-masonry .pg-item {
    width: calc((100% - (var(--pg-columns, 3) - 1) * var(--pg-gap, 20px)) / var(--pg-columns, 3));
    margin-bottom: var(--pg-gap, 20px);
    overflow: hidden;
    position: relative;
}

.pg-layout-masonry .pg-item-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Layout: Justified
   ============================================ */
.pg-layout-justified .pg-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pg-gap, 20px);
}

.pg-layout-justified .pg-item {
    height: var(--pg-justified-height, 250px);
    flex-grow: 1;
    overflow: hidden;
    position: relative;
}

.pg-layout-justified .pg-item-image {
    height: 100%;
}

.pg-layout-justified .pg-item-image img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    display: block;
    min-width: 100%;
}

/* Prevent last row from stretching too wide */
.pg-layout-justified .pg-items::after {
    content: '';
    flex-grow: 999;
}

/* ============================================
   Layout: Slider
   ============================================ */
.pg-layout-slider .pg-swiper {
    position: relative;
    overflow: hidden;
    padding-bottom: 50px;
}

.pg-layout-slider .pg-item {
    overflow: hidden;
    position: relative;
}

.pg-layout-slider .pg-item-image img {
    width: 100%;
    height: auto;
    display: block;
}

.pg-layout-slider .swiper-button-next,
.pg-layout-slider .swiper-button-prev {
    color: #fff;
    background: rgba(0,0,0,0.4);
    width: 44px;
    height: 44px;
    border-radius: 50%;
}

.pg-layout-slider .swiper-button-next::after,
.pg-layout-slider .swiper-button-prev::after {
    font-size: 18px;
}

.pg-layout-slider .swiper-pagination-bullet-active {
    background: #333;
}

/* ============================================
   Item Common Styles
   ============================================ */
.pg-item {
    position: relative;
    overflow: hidden;
    border-radius: inherit;
}

.pg-item-link {
    display: block;
    position: relative;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
}

.pg-item-image {
    position: relative;
    overflow: hidden;
    background: #f0f0f0;
}

.pg-item-image img {
    transition: transform 0.4s ease;
}

.pg-item:hover .pg-item-image img {
    transform: scale(1.05);
}

.pg-item-placeholder {
    width: 100%;
    padding-bottom: 75%;
    background: linear-gradient(135deg, #e0e0e0, #f5f5f5);
}

/* ============================================
   Overlay
   ============================================ */
.pg-item-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    transition: all 0.35s ease;
}

.pg-item-content {
    width: 100%;
    transition: all 0.35s ease;
}

.pg-item-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 5px;
    line-height: 1.3;
}

.pg-item-categories {
    font-size: 13px;
    opacity: 0.8;
    margin: 0 0 5px;
}

.pg-item-date {
    font-size: 12px;
    opacity: 0.7;
}

.pg-item-excerpt {
    font-size: 13px;
    margin-top: 8px;
    opacity: 0.9;
    line-height: 1.5;
}

/* ============================================
   Skin: Classic
   ============================================ */
.pg-skin-classic .pg-item-overlay {
    background: rgba(0,0,0,0.6);
    opacity: 0;
}

.pg-skin-classic .pg-item:hover .pg-item-overlay {
    opacity: 1;
}

/* ============================================
   Skin: Fade
   ============================================ */
.pg-skin-fade .pg-item-overlay {
    background: rgba(0,0,0,0.6);
    opacity: 0;
}

.pg-skin-fade .pg-item-content {
    transform: translateY(10px);
    opacity: 0;
}

.pg-skin-fade .pg-item:hover .pg-item-overlay {
    opacity: 1;
}

.pg-skin-fade .pg-item:hover .pg-item-content {
    transform: translateY(0);
    opacity: 1;
}

/* ============================================
   Skin: Fly
   ============================================ */
.pg-skin-fly .pg-item-overlay {
    background: rgba(0,0,0,0.6);
    opacity: 0;
}

.pg-skin-fly .pg-item-content {
    transform: translateY(30px);
    opacity: 0;
}

.pg-skin-fly .pg-item:hover .pg-item-overlay {
    opacity: 1;
}

.pg-skin-fly .pg-item:hover .pg-item-content {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.1s;
}

/* ============================================
   Skin: Emerge
   ============================================ */
.pg-skin-emerge .pg-item-overlay {
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 60%);
    opacity: 0;
    align-items: flex-end;
}

.pg-skin-emerge .pg-item-content {
    transform: translateY(20px);
}

.pg-skin-emerge .pg-item:hover .pg-item-overlay {
    opacity: 1;
}

.pg-skin-emerge .pg-item:hover .pg-item-content {
    transform: translateY(0);
}

/* ============================================
   Skin: Caption Below
   ============================================ */
.pg-skin-caption_below .pg-item-overlay {
    position: relative;
    background: transparent;
    padding: 12px 0;
    opacity: 1;
}

.pg-skin-caption_below .pg-item-title {
    color: #333;
    font-size: 16px;
}

.pg-skin-caption_below .pg-item-categories {
    color: #888;
}

.pg-skin-caption_below .pg-item-date {
    color: #aaa;
}

.pg-skin-caption_below .pg-item-excerpt {
    color: #666;
}

/* ============================================
   Pagination
   ============================================ */
.pg-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.pg-page-btn {
    padding: 8px 14px;
    border: 1px solid #ddd;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s;
    font-family: inherit;
}

.pg-page-btn.active,
.pg-page-btn:hover {
    background: #333;
    color: #fff;
    border-color: #333;
}

.pg-load-more-btn {
    padding: 12px 30px;
    border: 2px solid #333;
    background: transparent;
    cursor: pointer;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    font-family: inherit;
}

.pg-load-more-btn:hover {
    background: #333;
    color: #fff;
}

.pg-load-more-btn.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Spinner */
.pg-spinner {
    display: none;
    text-align: center;
    padding: 20px;
}

.pg-spinner.active {
    display: block;
}

.pg-spinner-dot {
    width: 30px;
    height: 30px;
    border: 3px solid #ddd;
    border-top-color: #333;
    border-radius: 50%;
    margin: 0 auto;
    animation: pg-spin 0.8s linear infinite;
}

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

/* No items */
.pg-no-items {
    text-align: center;
    padding: 40px 20px;
    color: #999;
    font-size: 16px;
}

/* Hidden item for search/filter */
.pg-item-hidden {
    display: none !important;
}

/* Isotope transitions */
.pg-layout-masonry .pg-item {
    transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .pg-layout-grid .pg-items,
    .pg-layout-tiles .pg-items {
        grid-template-columns: repeat(var(--pg-columns-tablet, 2), 1fr);
    }

    .pg-layout-masonry .pg-item {
        width: calc((100% - (var(--pg-columns-tablet, 2) - 1) * var(--pg-gap, 20px)) / var(--pg-columns-tablet, 2));
    }
}

@media (max-width: 767px) {
    .pg-layout-grid .pg-items,
    .pg-layout-tiles .pg-items {
        grid-template-columns: repeat(var(--pg-columns-mobile, 1), 1fr);
    }

    .pg-layout-masonry .pg-item {
        width: calc((100% - (var(--pg-columns-mobile, 1) - 1) * var(--pg-gap, 20px)) / var(--pg-columns-mobile, 1));
    }

    .pg-layout-justified .pg-item {
        height: 180px;
    }

    .pg-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .pg-filter {
        justify-content: center;
    }

    .pg-search-input {
        width: 100%;
        min-width: unset;
    }

    .pg-item-title {
        font-size: 15px;
    }
}