body {
    width: 1280px;
    margin: 0 auto;
    font-family: Arial, Helvetica, sans-serif;
    background-color: #fdf6ec;
    color: #222;
    transition: all 0.3s ease;
}

body.dark-mode {
    background-color: #1f1f1f;
    color: #f5f5f5;
}

header, nav, section, footer {
    padding: 20px;
    border-bottom: 1px solid #ccc;
}

nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: inherit;
}

#cat-buttons button {
    margin-right: 10px;
    margin-bottom: 10px;
    padding: 10px;
    cursor: pointer;
}

#cat-display img {
    max-width: 300px;
    display: block;
    margin: 10px 0;
}

input, textarea {
    width: 300px;
    margin: 5px 0;
    padding: 8px;
}

button {
    padding: 8px 16px;
}