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

config/db.php

@@ -19,9 +19,17 @@ if (!function_exists('loadEnv')) {
             if (count($parts) < 2) continue;
             $key   = trim($parts[0]);
             $value = trim($parts[1]);
+            // Strip surrounding quotes if present
+            if (strlen($value) >= 2 && $value[0] === '"' && $value[strlen($value)-1] === '"') {
+                $value = substr($value, 1, -1);
+            }
             if (!array_key_exists($key, $_ENV)) {
-                $_ENV[$key] = $value;
-                putenv("$key=$value");
+                $_ENV[$key]    = $value;
+                $_SERVER[$key] = $value;
+                // putenv() may be disabled on some shared hosts (e.g. InfinityFree)
+                if (function_exists('putenv')) {
+                    putenv("$key=$value");
+                }
             }
         }
     }
@@ -31,10 +39,11 @@ if (!function_exists('loadEnv')) {
 $envPath = __DIR__ . '/../.env';
 loadEnv($envPath);
 
-$host      = getenv('DB_HOST') ?: ($_ENV['DB_HOST'] ?? '');
-$ngalan    = getenv('DB_USER') ?: ($_ENV['DB_USER'] ?? '');
-$sikreto   = getenv('DB_PASS') ?: ($_ENV['DB_PASS'] ?? '');
-$deytabeys = getenv('DB_NAME') ?: ($_ENV['DB_NAME'] ?? '');
+// Read env vars — prefer $_ENV (always populated) with getenv() fallback
+$host      = $_ENV['DB_HOST']   ?? getenv('DB_HOST')   ?? '';
+$ngalan    = $_ENV['DB_USER']   ?? getenv('DB_USER')   ?? '';
+$sikreto   = $_ENV['DB_PASS']   ?? getenv('DB_PASS')   ?? '';
+$deytabeys = $_ENV['DB_NAME']   ?? getenv('DB_NAME')   ?? '';
 
 if (empty($host) || empty($ngalan)) {
     die('<p style="color:red;font-family:monospace;padding:20px">DB config missing. Please create a .env file from .env.example</p>');