/* Gallery Styles */
.gallery-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
}

.gallery-header .section-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.gallery-header .section-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Gallery Filters */
.gallery-filters {
    background: #f8f9fa;
    padding: 40px 0;
    border-bottom: 1px solid #e9ecef;
}

.filter-controls {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-weight: 600;
    color: #495057;
    font-size: 0.9rem;
}

.filter-group select {
    padding: 10px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    background: white;
    font-size: 0.95rem;
    min-width: 150px;
    transition: border-color 0.3s ease;
}

.filter-group select:focus {
    outline: none;
    border-color: #667eea;
}

#clear-filters {
    padding: 10px 20px;
    margin-top: 20px;
}

/* Gallery Section */
.gallery-section {
    padding: 60px 0;
    background: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.gallery-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.gallery-media {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

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

.gallery-item:hover .gallery-media img,
.gallery-item:hover .gallery-media video {
    transform: scale(1.05);
}

.media-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .media-overlay {
    opacity: 1;
}

.media-icon {
    color: white;
    font-size: 2rem;
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 50%;
}

.media-type-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.gallery-info {
    padding: 20px;
}

.gallery-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 8px;
    line-height: 1.3;
}

.gallery-description {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 15px;
}

.gallery-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #868e96;
}

.gallery-category {
    background: #e9ecef;
    color: #495057;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.gallery-timestamp {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: 40px;
}

#load-more-btn {
    padding: 15px 30px;
    font-size: 1rem;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.lightbox-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1001;
    transition: background 0.3s ease;
}

.lightbox-close:hover {
    background: rgba(0, 0, 0, 0.9);
}

.lightbox-media {
    max-width: 100%;
    max-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
}

.lightbox-media img,
.lightbox-media video {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.lightbox-info {
    padding: 20px;
    background: white;
}

.lightbox-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.lightbox-description {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 15px;
}

.lightbox-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #868e96;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
}

.lightbox-nav:hover {
    background: rgba(0, 0, 0, 0.9);
}

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

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

/* Empty State */
.gallery-empty {
    text-align: center;
    padding: 80px 20px;
    color: #6c757d;
}

.gallery-empty i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.gallery-empty h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #495057;
}

.gallery-empty p {
    font-size: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .gallery-header .section-header h1 {
        font-size: 2.5rem;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-group select {
        width: 100%;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .lightbox-content {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .lightbox-nav {
        padding: 10px;
    }
    
    .lightbox-nav.prev {
        left: 10px;
    }
    
    .lightbox-nav.next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .gallery-header .section-header h1 {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .gallery-media {
        height: 200px;
    }
    
    .lightbox-info {
        padding: 15px;
    }
    
    .lightbox-title {
        font-size: 1.1rem;
    }
}