new-templane/resources/view/layouts/partials/styles.php

<?php
$styles = (new \App\Settings('styles'))->getAll();
?>
<style>
    :root {
        /* Color variables from admin panel */
        --body-bg-color: <?= $styles['body_bg_color'] ?? '#FFF' ?>;
        --text-color: <?= $styles['text_color'] ?? '#000' ?>;
        --header-color: <?= $styles['header_color'] ?? '#ED0039' ?>;
        --content-bg-color: <?= $styles['content_bg_color'] ?? '#F6F6F6' ?>;
        --content-border-color: <?= $styles['content_border_color'] ?? '#E4E4E4' ?>;
        --link-color: <?= $styles['link_color'] ?? '#ED0039' ?>;
        --accent-color: <?= $styles['accent_color'] ?? '#ED0039' ?>;
        --table-bg-color: <?= $styles['table_bg_color'] ?? '#fff' ?>;
        --table-header-color: <?= $styles['table_header_color'] ?? '#FFF' ?>;
        --footer-bg-color: <?= $styles['footer_bg_color'] ?? '#000' ?>;
    }
</style>