/**
 * Trailblaze Gallery Styles
 * Matching the design of Photo Gallery by 10Web
 */

/* ========================================
   Gallery Container
   ======================================== */

.tbg-gallery-wrapper {
    margin: 20px 0 40px;
    scroll-margin-top: 100px;
}

.tbg-gallery-title {
    margin: 0 0 15px;
    padding: 0;
    font-size: 18px;
    font-weight: 700;
    color: #333;
    text-transform: uppercase;
}

.tbg-gallery-container {
    position: relative;
}

/* ========================================
   Gallery Grid
   ======================================== */

.tbg-gallery-grid {
    display: grid;
    gap: 5px;
    margin-bottom: 15px;
}

.tbg-gallery-grid.columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

.tbg-gallery-grid.columns-3 {
    grid-template-columns: repeat(3, 1fr);
}

.tbg-gallery-grid.columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Responsive grid */
@media (max-width: 768px) {
    .tbg-gallery-grid.columns-3,
    .tbg-gallery-grid.columns-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .tbg-gallery-grid.columns-2,
    .tbg-gallery-grid.columns-3,
    .tbg-gallery-grid.columns-4 {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Gallery Items
   ======================================== */

.tbg-gallery-item {
    display: none;
    overflow: hidden;
    background: #f0f0f0;
    aspect-ratio: 4/3;
}

.tbg-gallery-item.visible {
    display: block;
}

.tbg-gallery-link {
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.tbg-gallery-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.tbg-gallery-link:hover img {
    transform: scale(1.05);
    opacity: 0.9;
}

/* ========================================
   Pagination / Carousel Navigation
   ======================================== */

.tbg-gallery-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 0;
}

.tbg-pagination-nav {
    display: flex;
    gap: 2px;
}

.tbg-nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: 1px solid #ddd;
    background: #fff;
    color: #555;
    font-size: 16px;
    font-weight: 400;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.tbg-nav-btn:hover:not(:disabled) {
    background: #f5f5f5;
    border-color: #ccc;
    color: #333;
}

.tbg-nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.tbg-pagination-info {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 0 10px;
    font-size: 14px;
    color: #555;
}

.tbg-current-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    height: 30px;
    padding: 0 8px;
    border: 1px solid #ddd;
    background: #fff;
    font-size: 14px;
}

/* ========================================
   Lightbox Overlay
   ======================================== */

.tbg-lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 999999;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.tbg-lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========================================
   Lightbox Close Button
   ======================================== */

.tbg-lightbox-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    background: transparent;
    color: #fff;
    font-size: 32px;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    z-index: 10;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.tbg-lightbox-close:hover {
    opacity: 1;
}

/* ========================================
   Lightbox Main Image Area
   ======================================== */

.tbg-lightbox-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 60px 60px 20px;
    overflow: hidden;
}

.tbg-lightbox-image-container {
    max-width: 100%;
    max-height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tbg-lightbox-image {
    max-width: 100%;
    max-height: calc(100vh - 200px);
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tbg-lightbox-image.loaded {
    opacity: 1;
}

/* ========================================
   Lightbox Navigation Arrows
   ======================================== */

.tbg-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 48px;
    font-weight: 200;
    cursor: pointer;
    z-index: 5;
    transition: color 0.2s ease;
    padding: 0;
}

.tbg-lightbox-nav:hover {
    color: rgba(255, 255, 255, 1);
}

.tbg-lightbox-prev {
    left: 10px;
}

.tbg-lightbox-next {
    right: 10px;
}

/* ========================================
   Lightbox Controls Bar
   ======================================== */

.tbg-lightbox-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 0;
    background: rgba(60, 60, 60, 0.9);
}

.tbg-lightbox-control-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    cursor: pointer;
    transition: color 0.2s ease;
}

.tbg-lightbox-control-btn:hover {
    color: #fff;
}

.tbg-lightbox-control-btn.active {
    color: #4a90d9;
}

.tbg-lightbox-control-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* Share buttons */
.tbg-lightbox-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.2s ease;
}

.tbg-lightbox-share-btn:hover {
    color: #fff;
}

/* Toggle thumbnails arrow */
.tbg-toggle-thumbs {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 20px;
    background: rgba(60, 60, 60, 0.9);
    border: none;
    border-radius: 5px 5px 0 0;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.tbg-toggle-thumbs:hover {
    color: #fff;
}

/* ========================================
   Lightbox Thumbnails Strip
   ======================================== */

.tbg-lightbox-footer {
    position: relative;
    background: rgba(60, 60, 60, 0.9);
    padding: 0;
}

.tbg-lightbox-thumbs-container {
    position: relative;
    overflow: hidden;
}

.tbg-lightbox-thumbs {
    display: flex;
    gap: 3px;
    padding: 8px 50px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.3) transparent;
}

.tbg-lightbox-thumbs::-webkit-scrollbar {
    height: 6px;
}

.tbg-lightbox-thumbs::-webkit-scrollbar-track {
    background: transparent;
}

.tbg-lightbox-thumbs::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
}

.tbg-lightbox-thumb {
    flex-shrink: 0;
    width: 70px;
    height: 50px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.2s ease;
    overflow: hidden;
    border: 2px solid transparent;
}

.tbg-lightbox-thumb:hover {
    opacity: 0.8;
}

.tbg-lightbox-thumb.active {
    opacity: 1;
    border-color: #4a90d9;
}

.tbg-lightbox-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Thumbnail scroll buttons */
.tbg-thumbs-scroll {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    z-index: 2;
    font-size: 20px;
    transition: color 0.2s ease, background 0.2s ease;
}

.tbg-thumbs-scroll:hover {
    color: #fff;
    background: rgba(0, 0, 0, 0.7);
}

.tbg-thumbs-scroll-left {
    left: 0;
}

.tbg-thumbs-scroll-right {
    right: 0;
}

/* ========================================
   Lightbox Loading State
   ======================================== */

.tbg-lightbox-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: tbg-spin 1s linear infinite;
}

@keyframes tbg-spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ========================================
   Fullscreen Mode
   ======================================== */

.tbg-lightbox-overlay.fullscreen {
    background: #000;
}

.tbg-lightbox-overlay.fullscreen .tbg-lightbox-image {
    max-height: calc(100vh - 150px);
}

/* ========================================
   Slideshow Playing State
   ======================================== */

.tbg-lightbox-overlay.slideshow-playing .tbg-lightbox-control-btn[data-action="play"] {
    color: #4a90d9;
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 768px) {
    .tbg-lightbox-content {
        padding: 50px 40px 20px;
    }

    .tbg-lightbox-nav {
        width: 40px;
        font-size: 36px;
    }

    .tbg-lightbox-prev {
        left: 0;
    }

    .tbg-lightbox-next {
        right: 0;
    }

    .tbg-lightbox-thumb {
        width: 50px;
        height: 36px;
    }

    .tbg-lightbox-thumbs {
        padding: 8px 40px;
    }
}

@media (max-width: 480px) {
    .tbg-lightbox-content {
        padding: 50px 10px 10px;
    }

    .tbg-lightbox-controls {
        flex-wrap: wrap;
        gap: 5px;
    }
}

/* ========================================
   Hidden Thumbnails State
   ======================================== */

.tbg-lightbox-footer.hidden-thumbs .tbg-lightbox-thumbs-container {
    display: none;
}

.tbg-lightbox-footer.hidden-thumbs .tbg-toggle-thumbs {
    transform: translateX(-50%) rotate(180deg);
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .tbg-lightbox-overlay {
        display: none !important;
    }

    .tbg-gallery-item {
        display: block !important;
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .tbg-gallery-pagination {
        display: none !important;
    }
}