body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
}

:root {
    --bg: #ffffff;
    --text: #000000;
    --card: #f2f2f2;
}

.dark {
    --bg: #1e1e1e;
    --text: #e0e0e0;
    --card: #333333;
}

nav {
    background: #333;
    padding: 10px;
}

nav a {
    color: white;
    margin-right: 20px;
    text-decoration: none;
}

.container {
    padding: 20px;
}

.card {
    background: var(--card);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

pre {
    background: #222;
    color: #eee;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

.toggle-btn {
    float: right;
    background: #555;
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
}

.search-box {
    margin: 20px 0;
    padding: 10px;
    width: 100%;
    font-size: 16px;
}