function dprt_custom_admin_logo() {
    echo '<style>
        #wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon:before {
            background-image: url(' . get_stylesheet_directory_uri() . '/images/admin-logo.png) !important;
            background-position: 0 0;
            color: rgba(0, 0, 0, 0);
        }
        #wpadminbar #wp-admin-bar-wp-logo > .ab-item .ab-icon {
            width: 20px;
            height: 20px;
        }
    </style>';
}
add_action('admin_head', 'dprt_custom_admin_logo');
add_action('wp_head', 'dprt_custom_admin_logo');

function dprt_custom_admin_footer() {
    echo 'Developed by <a href="https://yourcompany.com">Your Company</a> | Version 2.0';
}
add_filter('admin_footer_text', 'dprt_custom_admin_footer');

function dprt_remove_footer_version() {
    return '';
}
add_filter('update_footer', 'dprt_remove_footer_version', 11);

function dprt_login_logo() {
    ?>
    <style>
        #login h1 a, .login h1 a {
            background-image: url('<?php echo get_stylesheet_directory_uri(); ?>/images/login-logo.png');
            height: 80px;
            width: 320px;
            background-size: contain;
            background-repeat: no-repeat;
            padding-bottom: 20px;
        }
    </style>
    <?php
}
add_action('login_enqueue_scripts', 'dprt_login_logo');

function dprt_login_logo_url() {
    return home_url();
}
add_filter('login_headerurl', 'dprt_login_logo_url');

function dprt_login_logo_url_title() {
    return get_bloginfo('name');
}
add_filter('login_headertext', 'dprt_login_logo_url_title');

function dprt_login_styles() {
    ?>
    <style>
        body.login {
            background: #f1f1f1;
        }
        .login form {
            border: 1px solid #ddd;
            box-shadow: 0 1px 3px rgba(0,0,0,.1);
        }
        .login #backtoblog a, .login #nav a {
            color: #555;
        }
        .login #backtoblog a:hover, .login #nav a:hover {
            color: #21759b;
        }
        input[type="submit"] {
            background: #2271b1;
            border-color: #2271b1;
        }
    </style>
    <?php
}
add_action('login_enqueue_scripts', 'dprt_login_styles');

function dprt_custom_admin_colors() {
    wp_admin_css_color(
        'custom-scheme',
        __('Custom Brand'),
        get_stylesheet_directory_uri() . '/css/admin-colors.css',
        array('#1e1e1e', '#2271b1', '#f0f0f0', '#72aee6')
    );
}
add_action('admin_init', 'dprt_custom_admin_colors');

function dprt_force_admin_color_scheme($user_id) {
    $color_scheme = 'custom-scheme';
    update_user_meta($user_id, 'admin_color', $color_scheme);
}
add_action('user_register', 'dprt_force_admin_color_scheme');
add_action('profile_update', 'dprt_force_admin_color_scheme');

function dprt_remove_admin_menus() {
    // For non-administrators only
    if (!current_user_can('administrator')) {
        remove_menu_page('edit-comments.php');      // Comments
        remove_menu_page('tools.php');               // Tools
        remove_menu_page('plugins.php');             // Plugins
        remove_menu_page('themes.php');              // Appearance
        remove_menu_page('users.php');               // Users
        remove_menu_page('options-general.php');     // Settings
    }
}
add_action('admin_menu', 'dprt_remove_admin_menus', 999);

function dprt_remove_submenus() {
    remove_submenu_page('themes.php', 'theme-editor.php');    // Theme Editor
    remove_submenu_page('plugins.php', 'plugin-editor.php');  // Plugin Editor
    remove_submenu_page('edit.php', 'edit-tags.php?taxonomy=post_tag'); // Tags
}
add_action('admin_menu', 'dprt_remove_submenus', 999);

function dprt_rename_menu_items() {
    global $menu;
    $menu[5][0] = 'Articles';  // Rename Posts to Articles
}
add_action('admin_menu', 'dprt_rename_menu_items');

function dprt_custom_menu_order($menu_order) {
    if (!$menu_order) return true;

    return array(
        'index.php',                  // Dashboard
        'edit.php?post_type=page',    // Pages
        'edit.php',                   // Posts
        'upload.php',                 // Media
        'separator1',                 // Separator
        'edit.php?post_type=portfolio', // Custom Post Type
        'users.php',                  // Users
        'options-general.php',        // Settings
    );
}
add_filter('custom_menu_order', '__return_true');
add_filter('menu_order', 'dprt_custom_menu_order');

function dprt_remove_dashboard_widgets() {
    remove_meta_box('dashboard_quick_press', 'dashboard', 'side');       // Quick Draft
    remove_meta_box('dashboard_recent_drafts', 'dashboard', 'side');     // Recent Drafts
    remove_meta_box('dashboard_primary', 'dashboard', 'side');           // WordPress Events
    remove_meta_box('dashboard_secondary', 'dashboard', 'side');         // News
    remove_meta_box('dashboard_incoming_links', 'dashboard', 'normal');  // Incoming Links
    remove_meta_box('dashboard_plugins', 'dashboard', 'normal');         // Plugins
    remove_meta_box('dashboard_right_now', 'dashboard', 'normal');       // Right Now
    remove_meta_box('dashboard_recent_comments', 'dashboard', 'normal'); // Recent Comments
    remove_meta_box('dashboard_activity', 'dashboard', 'normal');        // Activity
}
add_action('wp_dashboard_setup', 'dprt_remove_dashboard_widgets');

function dprt_custom_dashboard_widget() {
    wp_add_dashboard_widget(
        'custom_welcome_widget',
        'Welcome to Your Dashboard',
        'dprt_welcome_widget_content'
    );
}
add_action('wp_dashboard_setup', 'dprt_custom_dashboard_widget');

function dprt_welcome_widget_content() {
    ?>
    <div class="welcome-panel">
        <h2>Welcome, <?php echo wp_get_current_user()->display_name; ?>!</h2>
        <p>Here are some quick links to get started:</p>
        <ul>
            <li><a href="<?php echo admin_url('post-new.php'); ?>">Create New Post</a></li>
            <li><a href="<?php echo admin_url('post-new.php?post_type=page'); ?>">Create New Page</a></li>
            <li><a href="<?php echo admin_url('upload.php'); ?>">View Media Library</a></li>
            <li><a href="<?php echo home_url(); ?>" target="_blank">View Website</a></li>
        </ul>
        <p>Need help? <a href="mailto:support@yourcompany.com">Contact Support</a></p>
    </div>
    <?php
}

function dprt_recent_posts_widget() {
    wp_add_dashboard_widget(
        'recent_posts_widget',
        'Recent Posts',
        'dprt_recent_posts_content'
    );
}
add_action('wp_dashboard_setup', 'dprt_recent_posts_widget');

function dprt_recent_posts_content() {
    $recent_posts = wp_get_recent_posts(array(
        'numberposts' => 5,
        'post_status' => 'publish'
    ));

    echo '<ul>';
    foreach ($recent_posts as $post) {
        echo '<li><a href="' . get_permalink($post['ID']) . '">' . $post['post_title'] . '</a></li>';
    }
    echo '</ul>';
}

function dprt_remove_admin_bar_items() {
    global $wp_admin_bar;
    $wp_admin_bar->remove_menu('wp-logo');          // WordPress logo
    $wp_admin_bar->remove_menu('about');            // About WordPress
    $wp_admin_bar->remove_menu('wporg');            // WordPress.org
    $wp_admin_bar->remove_menu('documentation');    // Documentation
    $wp_admin_bar->remove_menu('support-forums');   // Support
    $wp_admin_bar->remove_menu('feedback');         // Feedback
    $wp_admin_bar->remove_menu('new-content');      // New Content
    $wp_admin_bar->remove_menu('comments');         // Comments
    $wp_admin_bar->remove_menu('search');           // Search
}
add_action('wp_before_admin_bar_render', 'dprt_remove_admin_bar_items');

function dprt_custom_admin_bar_menu($wp_admin_bar) {
    $wp_admin_bar->add_node(array(
        'id'    => 'custom-menu',
        'title' => 'Quick Links',
        'href'  => '#',
    ));

    $wp_admin_bar->add_node(array(
        'id'     => 'view-site',
        'parent' => 'custom-menu',
        'title'  => 'View Website',
        'href'   => home_url(),
        'meta'   => array('target' => '_blank'),
    ));

    $wp_admin_bar->add_node(array(
        'id'     => 'clear-cache',
        'parent' => 'custom-menu',
        'title'  => 'Clear Cache',
        'href'   => admin_url('admin.php?page=clear-cache'),
    ));
}
add_action('admin_bar_menu', 'dprt_custom_admin_bar_menu', 100);

function dprt_hide_admin_bar() {
    if (!current_user_can('administrator') && !is_admin()) {
        show_admin_bar(false);
    }
}
add_action('after_setup_theme', 'dprt_hide_admin_bar');

function dprt_custom_admin_css() {
    echo '<style>
        /* Larger text for better readability */
        #wpbody-content {
            font-size: 14px;
        }

        /* Highlight publish button */
        #publishing-action #publish {
            background: #00a32a;
            border-color: #00a32a;
        }

        /* Custom admin notice styles */
        .notice {
            border-left-width: 4px;
        }

        /* Improve table spacing */
        .wp-list-table th,
        .wp-list-table td {
            padding: 12px 10px;
        }
    </style>';
}
add_action('admin_head', 'dprt_custom_admin_css');

function dprt_enqueue_admin_style() {
    wp_enqueue_style('custom-admin-style', get_stylesheet_directory_uri() . '/css/custom-admin.css');
}
add_action('admin_enqueue_scripts', 'dprt_enqueue_admin_style');

function dprt_remove_help_tabs() {
    $screen = get_current_screen();
    $screen->remove_help_tabs();
}
add_action('admin_head', 'dprt_remove_help_tabs');

function dprt_custom_help_tab() {
    $screen = get_current_screen();

    $screen->add_help_tab(array(
        'id'      => 'custom_help',
        'title'   => 'Quick Start Guide',
        'content' => '<p>Welcome to the admin area!</p>
                      <ul>
                          <li>Create posts from the Posts menu</li>
                          <li>Manage pages from the Pages menu</li>
                          <li>Upload images in Media Library</li>
                      </ul>
                      <p>For additional help, contact <a href="mailto:support@yourcompany.com">support</a>.</p>',
    ));
}
add_action('admin_head', 'dprt_custom_help_tab');

function dprt_set_default_screen_options($result, $option, $user) {
    if ($option == 'edit_post_per_page') {
        return 50; // Show 50 posts per page instead of default 20
    }
    return $result;
}
add_filter('default_option_edit_post_per_page', 'dprt_set_default_screen_options', 10, 3);

function dprt_remove_admin_notices() {
    // Remove update notices for non-admins
    if (!current_user_can('administrator')) {
        remove_action('admin_notices', 'update_nag', 3);
    }
}
add_action('admin_head', 'dprt_remove_admin_notices', 1);

function dprt_custom_admin_notice() {
    global $pagenow;
    if ($pagenow == 'index.php') {
        echo '<div class="notice notice-info is-dismissible">
            <p><strong>Important:</strong> Remember to backup your site regularly!</p>
        </div>';
    }
}
add_action('admin_notices', 'dprt_custom_admin_notice');