/* Gallery Container */
.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Gallery Header */
.gallery-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
}

.gallery-header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

.gallery-header p {
    font-size: 1.1rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

/* Categories */
.categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.category-btn {
    padding: 10px 20px;
    background-color: #ecf0f1;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    color: #2c3e50;
}

.category-btn:hover {
    background-color: #d5dbdb;
}

.category-btn.active {
    background-color: #3498db;
    color: white;
}

/* Gallery Grid */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    aspect-ratio: 1;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
    padding: 15px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

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

.gallery-item .categories-list {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 5px;
}

.gallery-item .category-tag {
    background-color: rgba(52, 152, 219, 0.8);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
}

/* Load More Button */
.load-more-container {
    text-align: center;
    margin-top: 30px;
}

.load-more-btn {
    padding: 12px 30px;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.load-more-btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.load-more-btn:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
    transform: none;
}

/* No Images Message */
.no-images {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: #7f8c8d;
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .gallery-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .category-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}