/* Professional Lightbox/Gallery Styles */

/* Gallery Grid */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 0.75rem;
    cursor: pointer;
    aspect-ratio: 16/9;
    background: #f1f5f9;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-item .gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 10;
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay span {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Lightbox Modal */
.lightbox-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.lightbox-modal.active .lightbox-content {
    transform: scale(1);
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 0.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

/* Lightbox Controls */
.lightbox-controls {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 10000;
}

.lightbox-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lightbox-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10000;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav.prev {
    left: 1rem;
}

.lightbox-nav.next {
    right: 1rem;
}

.lightbox-counter {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2rem;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 10000;
}

/* Thumbnail Strip */
.lightbox-thumbnails {
    position: absolute;
    bottom: 4rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    padding: 0.5rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 0.5rem;
    max-width: 90vw;
    overflow-x: auto;
    z-index: 10000;
}

.lightbox-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: 0.25rem;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.lightbox-thumbnail:hover,
.lightbox-thumbnail.active {
    opacity: 1;
    border-color: white;
    transform: scale(1.1);
}

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

/* Loading Spinner */
.lightbox-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.lightbox-loading::after {
    content: '';
    width: 3rem;
    height: 3rem;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
    .lightbox-nav {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.25rem;
    }
    
    .lightbox-nav.prev {
        left: 0.5rem;
    }
    
    .lightbox-nav.next {
        right: 0.5rem;
    }
    
    .lightbox-thumbnails {
        bottom: 3rem;
        max-width: 95vw;
    }
    
    .lightbox-thumbnail {
        width: 50px;
        height: 50px;
    }
}