/* Photo Gallery Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f0f0f0;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.thumbnail {
    cursor: pointer;
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.2s;
}

.thumbnail:hover {
    transform: scale(1.05);
}

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

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

.lightbox img {
    max-width: 90%;
    max-height: 90%;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

.lightbox-nav {
    position: absolute;
    color: white;
    font-size: 50px;
    cursor: pointer;
    user-select: none;
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }