(() =>
{
    /*
        @author         Aetherinox
        @script         Discord Theme: Forest (Dark)
        @about          Applies the discord theme "Forest" to your interface.
                        adds a new snippet to chrome dev-tools

                        - launch discord
                        - open dev-tools with CTRL + SHIFT + I
                        - Click `sources` tab
                        - On left side `Pages`, click arrow, select `Snippets`
                        - Right-click in empty box, select `Create new Snippet`
                        - Add code below
    */

    const style = document.createElement( 'style' );
    style.textContent = `
        .custom-theme-background
        {
            --custom-theme-background:              linear-gradient( 162.27deg, var( --bg-gradient-forest-1 ) 11.2%, var( --bg-gradient-forest-2 ) 29.93%, var( --bg-gradient-forest-3 ) 48.64%, var( --bg-gradient-forest-4 ) 67.85%, var( --bg-gradient-forest-5 ) 83.54% );
            --custom-theme-primary-color:           #142215;
            --custom-theme-secondary-color:         #a98e4b;
            --custom-theme-base-color-amount:       50%;
            --custom-theme-text-color-amount:       38%;
            --custom-theme-base-color-light-hsl:    42.35294117647058 100% 90%;
            --custom-theme-base-color-light:        rgb(255, 240, 204);
            --custom-theme-text-color-light:        rgb(0, 77, 6);
            --custom-theme-base-color-dark-hsl:     124.61538461538463 100% 5.098039215686274%;
            --custom-theme-base-color-dark:         rgb(0, 26, 2);
            --custom-theme-text-color-dark:         rgb(255, 248, 229);
        }
    `;
    document.head.appendChild( style );

    /*
        Add class to HTML tag
    */

    const html = document.documentElement;
    html.classList.add( 'custom-theme-background' );

    /*
        Make theme persistent using MutationObserver
    */

    new MutationObserver(() =>
    {
        if ( !html.classList.contains( 'custom-theme-background' ) )
        {
            html.classList.add( 'custom-theme-background' );
        }
    } ).observe( html, { attributes: true, attributeFilter: [ 'class' ] } );

    return '✅ Applied Discord Theme: Forest (Dark)';
} )();