/* Gallery Page Styles */
.gallery-hero {
    height: 50vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('images/SchoolEvent.jpg') no-repeat center center/cover;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
}

.breadcrumb {
    padding: 15px 0;
    background-color: var(--light-gray);
}
.breadcrumb a {
    color: var(--text-light);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-color);
}

.breadcrumb span {
    color: var(--primary-color);
    font-weight: 500;
}

.gallery-filter {
    padding: 20px 0;
    background-color: var(--white);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.filter-btn {
    padding: 8px 20px;
    background: none;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.gallery-grid-section {
    padding: 40px 0;
    background-color: var(--light-gray);
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.grid-item {
    position: relative;
    height: 250px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.grid-item.hidden {
    display: none;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    color: var(--white);
    opacity: 0;
    transition: var(--transition);
}

.grid-item:hover .image-overlay {
    opacity: 1;
}

.image-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.load-more {
    text-align: center;
    margin-top: 30px;
}

.load-more button {
    border-color: gray;
    color: gray;
    padding: 10px 25px;
}

/* Lightbox Styles */
.lightbox-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
}

.lightbox-content {
    max-width: 800px;
    margin: 50px auto;
    position: relative;
}

.close-lightbox {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
}

.lightbox-image {
    width: 100%;
    max-height: 70vh;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}

.image-caption {
    color: var(--white);
    text-align: center;
    padding: 15px 0;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.prev-btn, .next-btn {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    .grid-container {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .lightbox-content {
        margin: 20px auto;
    }
}

@media (max-width: 480px) {
    .grid-container {
        grid-template-columns: 1fr;
    }
}

/* Dark Mode Styles */
body.dark-mode .gallery-filter {
    background-color: #1a1a1a;
}

body.dark-mode .gallery-grid-section {
    background-color: #121212;
}

body.dark-mode .filter-btn {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

body.dark-mode .filter-btn.active,
body.dark-mode .filter-btn:hover {
    background-color: var(--accent-color);
    color: var(--white);
}

body.dark-mode .grid-item {
    background-color: #2a2a2a;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

body.dark-mode .load-more button {
    background-color: var(--accent-color);
}

body.dark-mode .load-more button:hover {
    background-color: #c0392b;
}

/* Lightbox dark mode */
body.dark-mode .lightbox-nav button {
    background-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .lightbox-nav button:hover {
    background-color: var(--accent-color);
}