/**
 * Lightbox/Gallery Modal Styles
 * Professional image gallery viewer for portfolio photography projects
 */

/* Lightbox Overlay */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-overlay.active {
    display: flex;
    opacity: 1;
}

/* Lightbox Container */
.lightbox-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* Close Button */
.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

/* Image Display */
.lightbox-image-wrapper {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* Loading Spinner */
.lightbox-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: #B8956A;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Navigation Arrows */
.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev:active,
.lightbox-next:active {
    transform: translateY(-50%) scale(0.95);
}

/* Image Counter */
.lightbox-counter {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10001;
}

/* Project Info */
.lightbox-info {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    max-width: 400px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10001;
}

.lightbox-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    color: #B8956A;
}

.lightbox-info p {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Thumbnail Strip */
.lightbox-thumbnails {
    position: absolute;
    bottom: 5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    max-width: 80vw;
    overflow-x: auto;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.3) rgba(0, 0, 0, 0.5);
}

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

.lightbox-thumbnails::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 3px;
}

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

.lightbox-thumbnails::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

.lightbox-thumbnail {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    opacity: 0.5;
}

.lightbox-thumbnail:hover {
    opacity: 0.8;
    transform: scale(1.05);
}

.lightbox-thumbnail.active {
    opacity: 1;
    border-color: #B8956A;
}

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

/* Keyboard Shortcuts Help */
.lightbox-help {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: rgba(0, 0, 0, 0.7);
    color: rgba(255, 255, 255, 0.6);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.75rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 10001;
}

/* Gallery Badge on Portfolio Items */
.gallery-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(184, 149, 106, 0.9);
    color: #000;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(184, 149, 106, 0.3);
    z-index: 10;
}

.gallery-badge::before {
    content: '📷';
    font-size: 1rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .lightbox-container {
        padding: 1rem;
    }

    .lightbox-close {
        top: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
        font-size: 1.25rem;
    }

    .lightbox-prev,
    .lightbox-next {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .lightbox-prev {
        left: 1rem;
    }

    .lightbox-next {
        right: 1rem;
    }

    .lightbox-info {
        top: 1rem;
        left: 1rem;
        right: 1rem;
        max-width: none;
        padding: 0.75rem 1rem;
    }

    .lightbox-info h3 {
        font-size: 1rem;
    }

    .lightbox-info p {
        font-size: 0.8rem;
    }

    .lightbox-thumbnails {
        bottom: 4rem;
        max-width: 90vw;
        padding: 0.4rem;
    }

    .lightbox-thumbnail {
        width: 50px;
        height: 50px;
    }

    .lightbox-counter {
        bottom: 1.5rem;
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .lightbox-help {
        display: none;
    }

    .lightbox-image {
        max-height: 70vh;
    }
}

/* Touch Device Swipe Indicator */
@media (hover: none) and (pointer: coarse) {
    .lightbox-image-wrapper::after {
        content: 'Swipe to navigate';
        position: absolute;
        bottom: -3rem;
        left: 50%;
        transform: translateX(-50%);
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.85rem;
        white-space: nowrap;
    }
}

/* Animation for image transitions */
.lightbox-image.fade-out {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.lightbox-image.fade-in {
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}