diff --git a/README.md b/README.md
index e81a526..157bba0 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Workshop-Wahlen – Entwickler-Übersicht
+# Workshop-Wahlen
 
 ## Überblick
 
diff --git a/includes/admin-teamer.php b/includes/admin-teamer.php
index 06affe9..e40934b 100644
--- a/includes/admin-teamer.php
+++ b/includes/admin-teamer.php
@@ -14,10 +14,8 @@ function kc_teamer_page() {
                 delete_option('kc_teamer_password_hash');
                 echo '<div class="notice notice-success">Teamer-Passwort entfernt.</div>';
             } else {
-                 // Sichere Speicherung mit password_hash
-                 $hash = password_hash($pw, PASSWORD_DEFAULT);
-                 update_option('kc_teamer_password_hash', $hash);
-                 echo '<div class="notice notice-success">Teamer-Passwort gespeichert.</div>';
+                update_option('kc_teamer_password_hash', wp_hash_password($pw));
+                echo '<div class="notice notice-success">Teamer-Passwort gespeichert.</div>';
             }
         }
     }
diff --git a/includes/admin-teilnehmer.php b/includes/admin-teilnehmer.php
index 5288641..b4caf65 100644
--- a/includes/admin-teilnehmer.php
+++ b/includes/admin-teilnehmer.php
@@ -309,7 +309,7 @@ function kc_teilnehmer_page() {
         echo '</details>';
     }
     // JS für Wahl- und Phasen-Filter
-    // CSS moved to admin-teilnehmer.css
+    echo '<style>.kc-wahl-filter-btn.active{background:#4CAF50;color:#fff;} .kc-phase-filter-btn.active{background:#1976d2;color:#fff;}</style>';
     echo '<script>
     (function() {
         var btns = Array.prototype.slice.call(document.querySelectorAll(".kc-wahl-filter-btn"));
diff --git a/install.php b/install.php
index 590d075..1ed9c2f 100644
--- a/install.php
+++ b/install.php
@@ -8,12 +8,12 @@ function kc_install_tables() {
     global $wpdb;
     $prefix = $wpdb->prefix;
     $charset_collate = $wpdb->get_charset_collate();
+
     require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
 
-    // --- Tabellen-Definitionen ---
+    // Tables definitions
     $tables_sql = [];
 
-    // Wahl-Tabelle
     $tables_sql[] = "CREATE TABLE {$prefix}kc_wahlen (
         id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
         name varchar(191) NOT NULL,
@@ -26,7 +26,6 @@ function kc_install_tables() {
         PRIMARY KEY (id)
     ) $charset_collate";
 
-    // Workshop-Tabelle
     $tables_sql[] = "CREATE TABLE {$prefix}kc_workshops (
         id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
         name varchar(191) NOT NULL,
@@ -36,7 +35,6 @@ function kc_install_tables() {
         PRIMARY KEY (id)
     ) $charset_collate";
 
-    // Teamer-Tabelle
     $tables_sql[] = "CREATE TABLE {$prefix}kc_teamer (
         id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
         vorname varchar(191) DEFAULT NULL,
@@ -44,7 +42,6 @@ function kc_install_tables() {
         PRIMARY KEY (id)
     ) $charset_collate";
 
-    // Teilnehmer-Tabelle
     $tables_sql[] = "CREATE TABLE {$prefix}kc_teilnehmer (
         id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
         vorname varchar(191) DEFAULT NULL,
@@ -54,11 +51,10 @@ function kc_install_tables() {
         wunsch1 bigint(20) unsigned DEFAULT NULL,
         wunsch2 bigint(20) unsigned DEFAULT NULL,
         wunsch3 bigint(20) unsigned DEFAULT NULL,
-        deleted tinyint(1) NOT NULL DEFAULT 0,
+		deleted tinyint(1) NOT NULL DEFAULT 0,
         PRIMARY KEY (id)
     ) $charset_collate";
 
-    // Zuordnungstabelle Wahl <-> Workshops
     $tables_sql[] = "CREATE TABLE {$prefix}kc_wahl_workshops (
         id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
         wahl_id bigint(20) unsigned NOT NULL DEFAULT 0,
@@ -67,7 +63,6 @@ function kc_install_tables() {
         PRIMARY KEY (id)
     ) $charset_collate";
 
-    // Manuelle (Force-)Zuteilungen
     $tables_sql[] = "CREATE TABLE {$prefix}kc_force_zuteilung (
         id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
         teilnehmer_id bigint(20) unsigned NOT NULL DEFAULT 0,
@@ -78,7 +73,6 @@ function kc_install_tables() {
         PRIMARY KEY (id)
     ) $charset_collate";
 
-    // Ergebnis-Zuteilungen
     $tables_sql[] = "CREATE TABLE {$prefix}kc_zuteilung (
         id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
         teilnehmer_id bigint(20) unsigned NOT NULL DEFAULT 0,
@@ -90,27 +84,26 @@ function kc_install_tables() {
         wunsch_rang tinyint DEFAULT NULL,
         PRIMARY KEY (id)
     ) $charset_collate";
+	
+	$tables_sql[] = "CREATE TABLE {$prefix}kc_workshop_teamer (
+		id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
+		workshop_id bigint(20) unsigned DEFAULT NULL,
+		teamer_id bigint(20) unsigned DEFAULT NULL,
+		PRIMARY KEY (id)
+	) $charset_collate";
 
-    // Zuordnung Workshop <-> Teamer
-    $tables_sql[] = "CREATE TABLE {$prefix}kc_workshop_teamer (
-        id bigint(20) unsigned NOT NULL AUTO_INCREMENT,
-        workshop_id bigint(20) unsigned DEFAULT NULL,
-        teamer_id bigint(20) unsigned DEFAULT NULL,
-        PRIMARY KEY (id)
-    ) $charset_collate";
-
-    // Tabellen anlegen
     foreach ($tables_sql as $sql) {
         dbDelta($sql);
     }
 
-    // Migration: min_teilnehmer nachziehen, falls bei Update nötig
+    // Post-creation migration guard: ensure min_teilnehmer exists for older installs
     $col = $wpdb->get_var($wpdb->prepare("SHOW COLUMNS FROM {$prefix}kc_workshops LIKE %s", 'min_teilnehmer'));
     if (empty($col)) {
+        // try to add the column (no-op on newer installs)
         $wpdb->query("ALTER TABLE {$prefix}kc_workshops ADD COLUMN min_teilnehmer INT NOT NULL DEFAULT 0");
     }
 
-    // Plugin-Version speichern
+    // Optionally store plugin version
     add_option('kc_workshopwahl_db_version', '1.0');
 }
 
diff --git a/konficastle-workshopwahl.php b/konficastle-workshopwahl.php
index 503a697..4a3b691 100644
--- a/konficastle-workshopwahl.php
+++ b/konficastle-workshopwahl.php
@@ -1,74 +1,68 @@
-<?php
-/**
-* Plugin Name: Workshop-Wahlen
-* Description: Workshop-Wahl-System für Konfi-Castle.com
-* Version: 1.1 - dev
-* Author: Linus Maximilian Nilson
-*/
-
-
-if (!defined('ABSPATH')) exit;
-
-// Stylesheet einbinden
-
-add_action('admin_enqueue_scripts', function($hook) {
-    // Nur auf den Plugin-Seiten laden (optional: prüfe $hook!)
-    if (strpos($hook, 'kc_') !== false) {
-        wp_enqueue_style(
-            'kc-admin-style',
-            plugin_dir_url(__FILE__) . 'assets/kc-admin.css',
-            [],
-            filemtime(plugin_dir_path(__FILE__) . 'assets/kc-admin.css')
-        );
-    }
-});
-
-
-add_action('admin_enqueue_scripts', function($hook) {
-    // Nur für unser Plugin-Menü!
-    if (strpos($hook, 'kc_') === false) return;
-    wp_enqueue_script('select2', 'https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js', ['jquery'], null, true);
-    wp_enqueue_style('select2', 'https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css');
-});
-
-
-
-
-
-add_action('wp_enqueue_scripts', function() {
-    wp_enqueue_style('kc-workshopwahl-frontend', plugins_url('assets/frontend.css', __FILE__));
-});
-
-
-
-// Zentrale Admin-Menüstruktur
-add_action('admin_menu', function() {
-    add_menu_page('Wahlen', 'Wahlen', 'manage_options', 'kc_wahlen', 'kc_wahlen_page');
-
-    add_submenu_page('kc_wahlen', 'Teamer', 'Teamer', 'manage_options', 'kc_teamer', 'kc_teamer_page');
-
-    add_submenu_page('kc_wahlen', 'Workshops', 'Workshops', 'manage_options', 'kc_workshops', 'kc_workshops_page');
-
-    add_submenu_page('kc_wahlen', 'Teilnehmer', 'Teilnehmer', 'manage_options', 'kc_teilnehmer', 'kc_teilnehmer_page');
-
-    add_submenu_page('kc_wahlen', 'Force-Zuteilung', 'Force-Zuteilung', 'manage_options', 'kc_force_zuteilung', 'kc_force_zuteilung_page');
-    
-    add_submenu_page('kc_wahlen', 'Zuteilungen', 'Zuteilungen', 'manage_options', 'kc_zuteilungen', 'kc_zuteilungen_page');
-    
-    // Data management (test data) - visible only to super-admin (we'll check inside page)
-    add_submenu_page('kc_wahlen', 'Datenverwaltung', 'Datenverwaltung', 'manage_options', 'kc_data', 'kc_data_page');
-
-});
-
-// Includes – jede Admin-Seite ruft oben kc_admin_tabs() auf!
-require_once plugin_dir_path(__FILE__).'includes/admin-wahlen.php';
-require_once plugin_dir_path(__FILE__).'includes/admin-workshops.php';
-require_once plugin_dir_path(__FILE__).'includes/admin-teilnehmer.php';
-require_once plugin_dir_path(__FILE__).'includes/admin-teamer.php';
-require_once plugin_dir_path(__FILE__).'includes/force-zuteilung.php';
-require_once plugin_dir_path(__FILE__).'includes/admin-zuteilungen.php';
-require_once plugin_dir_path(__FILE__).'includes/frontend-form.php';
-require_once plugin_dir_path(__FILE__).'includes/frontend-ergebnis.php';
-require_once plugin_dir_path(__FILE__).'includes/zuteilungslogik.php';
-require_once plugin_dir_path(__FILE__).'includes/admin-data.php';
+<?php
+/**
+ * Plugin Name: Workshop-Wahlen
+ * Description: Workshop-Wahl-System für Konfi-Castle.com
+ * Version: 1.0
+ * Author: Linus Maximilian Nilson
+ */
+
+if (!defined('ABSPATH')) exit;
+
+// Stylesheet einbinden
+add_action('admin_enqueue_scripts', function($hook) {
+    // Nur auf den Plugin-Seiten laden (optional: prüfe $hook!)
+    if (strpos($hook, 'kc_') !== false) {
+        wp_enqueue_style(
+            'kc-admin-style',
+            plugin_dir_url(__FILE__) . 'assets/kc-admin-style.css',
+            [],
+            filemtime(plugin_dir_path(__FILE__) . 'assets/kc-admin-style.css')
+        );
+    }
+});
+
+
+add_action('admin_enqueue_scripts', function($hook) {
+    // Nur für unser Plugin-Menü!
+    if (strpos($hook, 'kc_') === false) return;
+    wp_enqueue_script('select2', 'https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js', ['jquery'], null, true);
+    wp_enqueue_style('select2', 'https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css');
+});
+
+
+
+add_action('wp_enqueue_scripts', function() {
+    wp_enqueue_style('kc-workshopwahl-form', plugins_url('assets/frontend-form.css', __FILE__));
+});
+
+// Zentrale Admin-Menüstruktur
+add_action('admin_menu', function() {
+    add_menu_page('Wahlen', 'Wahlen', 'manage_options', 'kc_wahlen', 'kc_wahlen_page');
+
+    add_submenu_page('kc_wahlen', 'Teamer', 'Teamer', 'manage_options', 'kc_teamer', 'kc_teamer_page');
+
+    add_submenu_page('kc_wahlen', 'Workshops', 'Workshops', 'manage_options', 'kc_workshops', 'kc_workshops_page');
+
+    add_submenu_page('kc_wahlen', 'Teilnehmer', 'Teilnehmer', 'manage_options', 'kc_teilnehmer', 'kc_teilnehmer_page');
+
+    add_submenu_page('kc_wahlen', 'Force-Zuteilung', 'Force-Zuteilung', 'manage_options', 'kc_force_zuteilung', 'kc_force_zuteilung_page');
+    
+    add_submenu_page('kc_wahlen', 'Zuteilungen', 'Zuteilungen', 'manage_options', 'kc_zuteilungen', 'kc_zuteilungen_page');
+    
+    // Data management (test data) - visible only to super-admin (we'll check inside page)
+    add_submenu_page('kc_wahlen', 'Datenverwaltung', 'Datenverwaltung', 'manage_options', 'kc_data', 'kc_data_page');
+
+});
+
+// Includes – jede Admin-Seite ruft oben kc_admin_tabs() auf!
+require_once plugin_dir_path(__FILE__).'includes/admin-wahlen.php';
+require_once plugin_dir_path(__FILE__).'includes/admin-workshops.php';
+require_once plugin_dir_path(__FILE__).'includes/admin-teilnehmer.php';
+require_once plugin_dir_path(__FILE__).'includes/admin-teamer.php';
+require_once plugin_dir_path(__FILE__).'includes/force-zuteilung.php';
+require_once plugin_dir_path(__FILE__).'includes/admin-zuteilungen.php';
+require_once plugin_dir_path(__FILE__).'includes/frontend-form.php';
+require_once plugin_dir_path(__FILE__).'includes/frontend-ergebnis.php';
+require_once plugin_dir_path(__FILE__).'includes/zuteilungslogik.php';
+require_once plugin_dir_path(__FILE__).'includes/admin-data.php';
 require_once plugin_dir_path(__FILE__).'install.php';
\ No newline at end of file