/**
 * Frontend styles for Directory Image Gallery plugin
 * Handles gallery display and lightbox styling
 */

/* Gallery Item - The album cover display */
.dig-gallery-item {
    display: inline-block;
    width: 300px;
    margin: 15px;
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dig-gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

/* Gallery Cover Image Container */
.dig-gallery-cover {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.dig-gallery-item:hover .dig-gallery-cover img {
    transform: scale(1.05);
}

/* Overlay with Album Info */
.dig-gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 20px;
    color: white;
}

.dig-gallery-title {
    margin: 0 0 5px 0;
    font-size: 18px;
    font-weight: 600;
}

.dig-gallery-count {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
}

/* Hide gallery data (used for lightbox) */
.dig-gallery-data {
    display: none !important;
}

/* ============================================
   LIGHTBOX STYLES
   ============================================ */

/* Lightbox Overlay - Full screen dark background */
.dig-lightbox {
    display: none;
    position: fixed;
    z-index: 999999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.95);
    animation: dig-fadeIn 0.3s ease;
}

/* Light theme variant */
.dig-lightbox.light-theme {
    background-color: rgba(255, 255, 255, 0.95);
}

/* Fade in animation for lightbox */
@keyframes dig-fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Lightbox Container - Centers content */
.dig-lightbox-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 60px 20px 20px;
    box-sizing: border-box;
}

/* Main Image Display Area */
.dig-lightbox-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-bottom: 20px;
    min-height: 0;
}

/* The main displayed image */
.dig-lightbox-image {
    max-width: 90%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
    animation: dig-imageSlide 0.3s ease;
}

/* Image slide animation */
@keyframes dig-imageSlide {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Navigation Chevrons - Left and Right arrows */
.dig-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: none;
    color: white;
    font-size: 60px;
    padding: 20px 15px;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
    z-index: 10;
    user-select: none;
}

.dig-lightbox.light-theme .dig-lightbox-nav {
    color: #333;
}

.dig-lightbox-nav:hover {
    transform: translateY(-50%) scale(1.2);
    opacity: 0.8;
}

.dig-lightbox-nav.prev {
    left: 20px;
}

.dig-lightbox-nav.next {
    right: 20px;
}

/* Close Button - X in top right */
.dig-lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    border: none;
    color: white;
    font-size: 50px;
    width: 50px;
    height: 50px;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.dig-lightbox.light-theme .dig-lightbox-close {
    color: #333;
}

.dig-lightbox-close:hover {
    transform: scale(1.2);
    opacity: 0.8;
}

/* Thumbnail Strip Container */
.dig-lightbox-thumbs-container {
    position: relative;
    height: 120px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
}

/* Thumbnail Navigation Buttons */
.dig-thumb-nav {
    border: none;
    color: white;
    font-size: 55px;
    padding: 0px 15px;
    margin-top: -10px;
    cursor: pointer;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.dig-lightbox.light-theme .dig-thumb-nav {
    color: #333;
}

.dig-thumb-nav:hover {
    transform: scale(1.2);
    opacity: 0.8;
}

.dig-thumb-nav.left {
    left: 5px;
}

.dig-thumb-nav.right {
    right: 5px;
}

/* Thumbnail Strip Wrapper - Handles scrolling */
.dig-lightbox-thumbs-wrapper {
    height: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-behavior: smooth;
    padding: 10px 10px;
    /* Hide scrollbar but keep functionality */
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex: 1
}

.dig-lightbox-thumbs-wrapper::-webkit-scrollbar {
    display: none;
}

/* Thumbnail Strip - Horizontal layout */
.dig-lightbox-thumbs {
    display: flex;
    gap: 10px;
    height: 100%;
    align-items: center;
}

/* Individual Thumbnail */
.dig-lightbox-thumb {
    flex-shrink: 0;
    width: 100px;
    height: 100px;
    cursor: pointer;
    border: 3px solid transparent;
    border-radius: 5px;
    overflow: hidden;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.dig-lightbox-thumb:hover {
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.5);
}

.dig-lightbox.light-theme .dig-lightbox-thumb:hover {
    border-color: rgba(0, 0, 0, 0.3);
}

/* Active thumbnail indicator */
.dig-lightbox-thumb.active {
    border-color: white;
}

.dig-lightbox.light-theme .dig-lightbox-thumb.active {
    border-color: #333;
}

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

/* ============================================
   MOBILE RESPONSIVE STYLES
   ============================================ */

/* Tablet and below */
@media screen and (max-width: 980px) {
    .dig-gallery-item {
        width: 300px;
    }
    
    .dig-lightbox-nav {
        font-size: 32px;
        padding: 15px 12px;
    }
}

/* Mobile devices */
@media screen and (max-width: 768px) {
    .dig-gallery-item {
        width: 100%;
        max-width: 300px;
        margin: 10px auto;
        display: block;
    }
    
    .dig-gallery-cover {
        height: 200px;
    }
    
    /* Hide main image navigation on mobile (use swipe instead) */
    .dig-lightbox-nav {
        display: none;
    }
    
    .dig-lightbox-container {
        padding: 50px 10px 10px;
    }
    
    .dig-lightbox-image {
        max-width: 95%;
    }
    
    .dig-lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 28px;
    }
    
    /* Hide thumbnail navigation on mobile (use swipe instead) */
    .dig-thumb-nav {
        display: none;
    }
    
    .dig-lightbox-thumbs-container {
        height: 80px;
    }
    
    .dig-lightbox-thumbs-wrapper {
        padding: 5px 10px;
    }
    
    .dig-lightbox-thumb {
        width: 70px;
        height: 70px;
    }
}

/* Small mobile devices */
@media screen and (max-width: 480px) {
    .dig-gallery-cover {
        height: 180px;
    }
    
    .dig-gallery-title {
        font-size: 16px;
    }
    
    .dig-gallery-count {
        font-size: 12px;
    }
    
    .dig-lightbox-thumbs-container {
        height: 60px;
    }
    
    .dig-lightbox-thumb {
        width: 60px;
        height: 60px;
        gap: 5px;
    }
}