body {
    font-family: Georgia, serif;
    max-width: 640px;
    margin: 2rem auto;
    padding: 0 1rem;
    line-height: 1.5;
    color-scheme: light dark;
}

header {
    border-bottom: 1px solid #ccc;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
}

.breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 1rem;
}

h1 {
    margin: 0;
}

h2 {
    margin-top: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    gap: 1.5rem;
}

.definition {
    color: #666;
}

a {
    color: inherit;
}

footer {
    font-size: 0.9rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #ccc;
}

/* Photo grid */

.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.photo-item {
    display: block;
    text-decoration: none;
}

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

.photo-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background-color: #ccc;
}

@media (prefers-color-scheme: dark) {
    .photo-placeholder {
        background-color: #444;
    }
}

/* Photo detail */

.photo-detail img {
    width: 100%;
    height: auto;
    display: block;
}

.photo-detail p {
    margin-top: 1rem;
}