* {
    box-sizing: border-box;
    transition: all ease-in 0.4s;
}

/* color schemes variables */
:root {
    /* Enable light-dark() function */
    color-scheme: light dark;

    /* Light mode colors */
    --light-bg: #f4f4f4;
    --light-text: #333;
    --light-header-bg: #fff;
    --light-article-bg: #f9f9f9;
    --light-link: #007bff;
    --light-code-bg: #eee;
    --light-table-header-bg: #f8f9fa;
    --light-table-border: #ddd;

    /* Dark mode colors */
    --dark-bg: #1a1a1a;
    --dark-text: #f4f4f4;
    --dark-header-bg: #333;
    --dark-article-bg: #444;
    --dark-link: #4da6ff;
    --dark-code-bg: #555;
    --dark-table-header-bg: #555;
    --dark-table-border: #777;
}


body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: light-dark(var(--light-bg), var(--dark-bg));
    color: light-dark(var(--light-text), var(--dark-text));
}

header, main, footer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: light-dark(var(--light-header-bg), var(--dark-header-bg));
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header {
    margin-bottom: 20px;
}

#main-heading {
    text-align: center;
}

#basic-syntax {
    width: 100%;
}
h1, h2, h3 {
    color: light-dark(var(--light-link), var(--dark-link));
}


a {
    color: light-dark(var(--light-link), var(--dark-link));
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

code {
    background-color: light-dark(var(--light-code-bg), var(--dark-code-bg));
    padding: 2px 5px;
    border-radius: 3px;
    font-family: monospace;
}

pre {
    background-color: light-dark(var(--light-code-bg), var(--dark-code-bg));
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid light-dark(var(--light-table-border), var(--dark-table-border));
    padding: 8px;
    text-align: left;
}

th {
    background-color: light-dark(var(--light-table-header-bg), var(--dark-table-header-bg));
}

section {
    display: flex;
    flex-wrap: wrap;
    gap: 20px; 
    margin-bottom: 30px;
}

article {
    flex: 1 1 calc(50% - 20px);
    background-color: light-dark(var(--light-article-bg), var(--dark-article-bg));
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    header, main, footer {
        padding: 15px;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    h3 {
        font-size: 18px;
    }

    /* Stack articles on smaller screens */
    article {
        flex: 1 1 100%; /* One article per row on mobile and tablet */
    }
}