:root {
    --primary-color: #333;
    --secondary-color: #f8f9fa;
    --accent-color: #555;
    --spacing: 12px;
    --radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    line-height: 1.6;
}

.head {
    background-color: white;
    padding: 16px 24px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 24px;
    font-weight: bold;
}

.search-container {
    flex-grow: 1;
    max-width: 600px;
    margin: 0 20px;
    position: relative;
}

.search-container input {
    width: 100%;
    padding: 10px 16px;
    border: 1px solid #ddd;
    border-radius: 24px;
    font-size: 16px;
    background-color: #f5f5f5;
}

.search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #777;
}

.nav-buttons {
    display: flex;
    gap: 16px;
}

.nav-buttons button {
    padding: 8px 16px;
    border-radius: 20px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    background-color: transparent;
}

.nav-buttons button.primary {
    background-color: #000;
    color: white;
}

main {
    padding: 24px;
}

.folder-section {
    margin-bottom: 32px;
}

.folder-title {
    font-size: 20px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid #eee;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    aspect-ratio: 1 / 1;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

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

.left-column {
    grid-column: span 2;
    grid-row: span 2;
    aspect-ratio: auto;
}

@media (max-width: 768px) {
    .gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .search-container {
        margin: 0 10px;
    }
    
    .left-column {
        grid-column: auto;
        grid-row: auto;
    }
}

@media (max-width: 576px) {
    .gallery {
        grid-template-columns: 1fr;
    }
    
    .head {
        flex-direction: column;
        align-items: stretch;
        padding: 12px;
    }
    
    .search-container {
        margin: 10px 0;
        order: 3;
    }
    
    .nav-buttons {
        margin-top: 10px;
        justify-content: space-between;
    }
}

/* Additional gallery layouts */
.masonry-gallery {
    columns: 3 200px;
    column-gap: 16px;
}

.masonry-gallery .gallery-item {
    break-inside: avoid;
    margin-bottom: 16px;
    aspect-ratio: auto;
}

@media (max-width: 768px) {
    .masonry-gallery {
        columns: 2 200px;
    }
}

@media (max-width: 576px) {
    .masonry-gallery {
        columns: 1;
    }
}