'.esc_html(get_the_title($post_obj)).'

<?php
if (!defined('ABSPATH')) exit;

// ----------------------------
// Theme Setup
// ----------------------------
function appybix_setup() {
    // Core supports
    add_theme_support('title-tag');
    add_theme_support('post-thumbnails');
    add_theme_support('custom-logo', [
        'height'      => 60,
        'width'       => 200,
        'flex-width'  => true,
        'flex-height' => true,
    ]);
    add_theme_support('html5', ['search-form', 'comment-form', 'gallery', 'caption']);
    add_theme_support('automatic-feed-links');
    add_theme_support('align-wide');
    add_theme_support('responsive-embeds');
    add_theme_support('wp-block-styles');

    // Recommended supports
    add_theme_support('custom-header', [
        'default-image' => '',
        'width' => 1600,
        'height' => 400,
        'flex-height' => true,
        'flex-width' => true,
    ]);
    add_theme_support('custom-background', [
        'default-color' => 'f8fafc',
        'default-image' => '',
    ]);
    add_theme_support('editor-styles');
    add_editor_style('style.css');

    // Navigation
    register_nav_menus(['primary' => __('Primary Menu', 'appybix')]);
}
add_action('after_setup_theme', 'appybix_setup');

// ----------------------------
// Enqueue Styles & Scripts
// ----------------------------
function appybix_scripts() {
    // Google Fonts
    wp_enqueue_style('appybix-google-fonts', 'https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap', [], null);

    // Main stylesheet
    wp_enqueue_style('appybix-style', get_stylesheet_uri(), [], wp_get_theme()->get('Version'));

    // jQuery + main JS
    wp_enqueue_script('jquery');
    wp_enqueue_script('appybix-main', get_template_directory_uri() . '/assets/js/main.js', ['jquery'], null, true);

    // Dynamic Theme Color CSS + recommended .bypostauthor
    $theme_color = esc_attr(get_theme_mod('theme_color', '#16a34a'));
    $custom_css = "
        h1,h2,h3,.btn-get-apk {
            background: {$theme_color};
            color: #fff;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
        }
        .btn-get-apk { display: inline-block; text-decoration: none; }
        .bypostauthor { font-weight: bold; }
    ";
    wp_add_inline_style('appybix-style', $custom_css);

    // Comment reply script
    if (is_singular() && comments_open() && get_option('thread_comments')) {
        wp_enqueue_script('comment-reply');
    }
}
add_action('wp_enqueue_scripts', 'appybix_scripts');

// ----------------------------
// Widgets
// ----------------------------
function appybix_widgets_init() {
    register_sidebar([
        'name' => __('Sidebar','appybix'),
        'id' => 'sidebar-1',
        'before_widget' => '<div class="widget %2$s">',
        'after_widget' => '</div>',
        'before_title' => '<h3 class="widget-title">',
        'after_title' => '</h3>',
    ]);

    for ($i = 1; $i <= 4; $i++) {
        register_sidebar([
            'name' => sprintf(__('Footer %d', 'appybix'), $i),
            'id' => 'footer-' . $i,
            'before_widget' => '<div class="footer-widget %2$s">',
            'after_widget' => '</div>',
            'before_title' => '<h4 class="footer-widget-title">',
            'after_title' => '</h4>',
        ]);
    }
}
add_action('widgets_init','appybix_widgets_init');

// ----------------------------
// Customizer
// ----------------------------
function appybix_customize_register($wp_customize){
    // Logo
    $wp_customize->add_setting('appybix_logo', [
        'default'=>'',
        'transport'=>'refresh',
        'sanitize_callback'=>'esc_url_raw'
    ]);
    $wp_customize->add_control(new WP_Customize_Image_Control($wp_customize,'appybix_logo_control',[
        'label'=>'Upload Logo',
        'section'=>'title_tagline',
        'settings'=>'appybix_logo'
    ]));

    // Show Site Title with Logo
    $wp_customize->add_setting('appybix_show_site_title',[
        'default'=>true,
        'transport'=>'refresh',
        'sanitize_callback'=>'wp_validate_boolean'
    ]);
    $wp_customize->add_control('appybix_show_site_title_control',[
        'label'=>'Show Site Title beside Logo',
        'section'=>'title_tagline',
        'type'=>'checkbox',
        'settings'=>'appybix_show_site_title'
    ]);

    // Theme Color
    $wp_customize->add_setting('theme_color',[
        'default'=>'#16a34a',
        'transport'=>'refresh',
        'sanitize_callback'=>'sanitize_hex_color'
    ]);
    $wp_customize->add_control(new WP_Customize_Color_Control($wp_customize,'theme_color_control',[
        'label'=>'Theme Color',
        'section'=>'colors',
        'settings'=>'theme_color'
    ]));

    // Homepage Layout
    $wp_customize->add_setting('homepage_layout',[
        'default'=>'default',
        'sanitize_callback'=>'sanitize_text_field'
    ]);
    $wp_customize->add_control('homepage_layout_control',[
        'label'=>'Homepage Layout',
        'section'=>'static_front_page',
        'type'=>'select',
        'choices'=>['default'=>'Default','grid'=>'Grid View','list'=>'List View']
    ]);

    // Featured posts
    $wp_customize->add_setting('show_featured_posts',[
        'default'=>'yes',
        'sanitize_callback'=>'sanitize_text_field'
    ]);
    $wp_customize->add_control('show_featured_posts_control',[
        'label'=>'Show Featured Posts?',
        'section'=>'static_front_page',
        'type'=>'select',
        'choices'=>['yes'=>'Yes','no'=>'No']
    ]);

    // Items per page
    $wp_customize->add_setting('items_per_page',[
        'default'=>10,
        'sanitize_callback'=>'absint'
    ]);
    $wp_customize->add_control('items_per_page_control',[
        'label'=>'Items Per Page',
        'section'=>'static_front_page',
        'type'=>'number',
        'input_attrs'=>['min'=>1,'max'=>100]
    ]);

    // Display Settings: select homepage post/page
    $wp_customize->add_section('appybix_display_settings',['title'=>'Display Settings','priority'=>130]);
    $choices=[0=>'— Select —'];
    $all_posts=get_posts(['post_type'=>['post','page'],'numberposts'=>-1]);
    foreach($all_posts as $p) $choices[$p->ID]=$p->post_title;

    $wp_customize->add_setting('appybix_home_display_post',[
        'default'=>0,
        'transport'=>'refresh',
        'sanitize_callback'=>'absint'
    ]);
    $wp_customize->add_control('appybix_home_display_post_control',[
        'label'=>'Show Full Post/Page on Homepage',
        'section'=>'appybix_display_settings',
        'type'=>'select',
        'choices'=>$choices,
        'description'=>'Select any post or page to display its full content on the homepage.'
    ]);
}
add_action('customize_register','appybix_customize_register');

// ----------------------------
// Display selected post/page on homepage
// ----------------------------
function appybix_homepage_content($query){
    if($query->is_main_query() && (is_home()||is_front_page())){
        remove_action('loop_start','appybix_homepage_content');
        $selected_id=get_theme_mod('appybix_home_display_post',0);
        if($selected_id){
            $post_obj=get_post($selected_id);
            if($post_obj){
                setup_postdata($post_obj);
                echo '<article id="post-'.esc_attr($post_obj->ID).'" class="post bypostauthor">';
                echo '<h1>'.esc_html(get_the_title($post_obj)).'</h1>';
                echo '<div class="entry-content">'.apply_filters('the_content',$post_obj->post_content).'</div>';
                echo '</article>';
                wp_reset_postdata();
                $query->posts=[];
                $query->post_count=0;
            }
        }
    }
}
add_action('loop_start','appybix_homepage_content');

// ----------------------------
// Excerpt length
// ----------------------------
function appybix_excerpt_length($length){return 1000;}
add_filter('excerpt_length','appybix_excerpt_length');

// ----------------------------
// Recommended: Register block styles
// ----------------------------
function appybix_register_block_styles() {
    register_block_style('core/button', [
        'name'  => 'rounded',
        'label' => __('Rounded', 'appybix')
    ]);
}
add_action('init','appybix_register_block_styles');

// ----------------------------
// Recommended: Register block patterns
// ----------------------------
function appybix_register_block_patterns() {
    register_block_pattern('appybix/hero', [
        'title'       => __('Hero Section', 'appybix'),
        'description' => __('A hero section with title and image.', 'appybix'),
        'content'     => '<!-- wp:cover {"url":"https://example.com/hero.jpg"} /-->'
    ]);
}
add_action('init','appybix_register_block_patterns');