update

.htaccess

@@ -1,4 +1,17 @@
-RewriteEngine on 
+RewriteEngine on
+
+# Fix ERR_TOO_MANY_REDIRECTS on /Admin (2026-05-20).
+# Two-layer guard:
+#  (1) Force HTTPS for any /Admin/* request - prevents the http<->https oscillation
+#      with PHP app that always emits https Location: headers.
+#  (2) Intercept /Admin (with or without trailing slash) BEFORE mod_dir issues a
+#      directory-slash 301 (which on this host degrades https->http, looping).
+RewriteCond %{HTTPS} off
+RewriteCond %{HTTP:X-Forwarded-Proto} !=https
+RewriteRule ^Admin(/.*)?$ https://%{HTTP_HOST}/Admin$1 [R=301,L]
+
+RewriteRule ^Admin/?$ Admin/index.php [L]
+
 RewriteCond %{REQUEST_URI} !phpmyadmin
 RewriteCond %{REQUEST_URI} !szablon
 RewriteCond %{REQUEST_URI} !crossdomain.xml