body {
    font-family: 'JetBrains Mono', monospace;
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    font-size: 2.5em;
    margin: 0;
}

main {
    max-width: 1200px;
    margin: 0 auto;
}

.categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    padding: 20px;
}

.category-button {
    display: block;
    padding: 15px 20px;
    background: #f0f0f0;
    border: 1px solid #ddd;
    text-align: center;
    text-decoration: none;
    color: #000;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.category-button:hover {
    background: #e0e0e0;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.image-card {
    border: 1px solid #ddd;
    padding: 10px;
    border-radius: 4px;
}

.image-card .thumbnail {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 2px;
    cursor: pointer;
}

.image-card .title {
    margin: 10px 0;
    font-size: 0.9em;
    text-align: center;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    font-size: 0.9em;
}

.back-link {
    display: inline-block;
    margin-bottom: 20px;
    color: #000;
    text-decoration: none;
    padding: 5px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.back-link:hover {
    background: #f0f0f0;
}