Completely refactor theme panel for improved reliability and design

admin/partials/theme-panel.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Theme panel template for WP Allstars
+ *
+ * @package WP_Allstars
+ */
+
+// Prevent direct access
+if (!defined('ABSPATH')) {
+    exit;
+}
+?>
+<div class="theme-card">
+    <div class="theme-image">
+        <img src="<?php echo esc_url($theme_data->screenshot_url); ?>" alt="<?php echo esc_attr($theme_data->name); ?>">
+    </div>
+    <div class="theme-info">
+        <h3 class="theme-name"><?php echo esc_html($theme_data->name); ?></h3>
+        <p class="theme-author"><?php echo esc_html(sprintf(__('By %s'), $author)); ?></p>
+    </div>
+    <div class="theme-actions">
+        <?php if (current_user_can('install_themes')): ?>
+            <?php 
+            $installed_theme = wp_get_theme('kadence');
+            if ($installed_theme->exists()): ?>
+                <button type="button" class="button button-primary activate-now" data-slug="kadence">
+                    <?php esc_html_e('Activate'); ?>
+                </button>
+            <?php else: ?>
+                <button type="button" class="button button-primary install-now" data-slug="kadence">
+                    <?php esc_html_e('Install'); ?>
+                </button>
+            <?php endif; ?>
+        <?php endif; ?>
+        <a class="button button-secondary preview install-theme-preview" href="<?php echo esc_url($theme_data->preview_url); ?>" target="_blank">
+            <?php esc_html_e('Preview'); ?>
+        </a>
+        <a class="button button-primary" href="https://www.kadencewp.com/kadence-theme/" target="_blank">
+            <?php esc_html_e('Go Pro'); ?>
+        </a>
+    </div>
+</div>