fix: InfinityFree 500 error (putenv safety), mobile dark toggle inside side panel

index.php

@@ -1,21 +1,5 @@
 <?php
-// Load environment variables — PHP 7.x compatible
-if (!function_exists('loadEnv')) {
-    function loadEnv($path) {
-        if (!file_exists($path)) return;
-        $lines = file($path, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
-        if ($lines === false) return;
-        foreach ($lines as $line) {
-            $line = trim($line);
-            if ($line === '' || $line[0] === '#') continue;
-            $parts = explode('=', $line, 2);
-            if (count($parts) < 2) continue;
-            $key = trim($parts[0]); $value = trim($parts[1]);
-            if (!array_key_exists($key, $_ENV)) { $_ENV[$key] = $value; putenv("$key=$value"); }
-        }
-    }
-}
-loadEnv(__DIR__ . '/.env');
+// db.php loads .env and connects to MySQL
 
 require_once __DIR__ . '/config/db.php';
 require_once __DIR__ . '/controllers/SettingsController.php';
@@ -36,8 +20,9 @@ if (!$settings) {
     ];
 }
 
-$recaptchaSiteKey = getenv('RECAPTCHA_SITE_KEY') ?: ($_ENV['RECAPTCHA_SITE_KEY'] ?? '');
-$contactEmail     = getenv('CONTACT_EMAIL')      ?: ($_ENV['CONTACT_EMAIL']      ?? '');
+// Prefer $_ENV (always set by loadEnv), fall back to getenv()
+$recaptchaSiteKey = $_ENV['RECAPTCHA_SITE_KEY'] ?? getenv('RECAPTCHA_SITE_KEY') ?? '';
+$contactEmail     = $_ENV['CONTACT_EMAIL']      ?? getenv('CONTACT_EMAIL')      ?? '';
 ?>
 <!DOCTYPE html>
 <html lang="en">