Feature: Active menu highlight, dropdown subpages, Control Panel z-index fix

Client/wwwroot/Themes/SZUAbsolventenverein.Theme.Website/Theme.css

@@ -1,9 +1,21 @@
-/* ===========================
+/* ===========================
    Standard Layout
    =========================== */
 
 body {}
 
+/* Oqtane Control Panel / Bootstrap Overlays über dem Menü anzeigen */
+.offcanvas,
+.offcanvas-backdrop,
+.modal,
+.modal-backdrop {
+    z-index: 2000 !important;
+}
+
+.offcanvas.show {
+    z-index: 2001 !important;
+}
+
 /* Login-Button (Mobile + Desktop) */
 .app-menu-footer .btn-login,
 .app-menu-footer .login-btn,
@@ -159,9 +171,60 @@ body {}
     gap: 0.5rem;
 }
 
-/* Untermenü (Kinder-Seiten) etwas eingerückt */
+/* Dropdown-Wrapper: relative positioniert für absolutes Dropdown */
+.nav-item-dropdown {
+    position: relative;
+}
+
+/* Link + Toggle-Button nebeneinander */
+.nav-link-row {
+    display: flex;
+    align-items: center;
+    gap: 0;
+}
+
+/* Toggle-Button für Mobile */
+.dropdown-toggle-btn {
+    background: none;
+    border: none;
+    color: white;
+    cursor: pointer;
+    padding: 6px 8px;
+    font-size: 1rem;
+    line-height: 1;
+}
+
+/* Dropdown-Pfeil */
+.dropdown-arrow {
+    font-size: 0.8em;
+    opacity: 0.7;
+    display: inline-block;
+    transition: transform 0.2s ease;
+}
+
+/* Pfeil dreht sich wenn offen */
+.dropdown-arrow.open {
+    transform: rotate(180deg);
+}
+
+/* Untermenü: standardmäßig versteckt */
 .app-submenu {
-    margin-left: 1rem;
+    display: none;
+    position: absolute;
+    top: 100%;
+    left: 0;
+    min-width: 180px;
+    background-color: #9a9999;
+    border-radius: 6px;
+    padding: 0.5rem 0;
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
+    z-index: 2000;
+    flex-direction: column;
+}
+
+/* Dropdown bei Hover öffnen */
+.nav-item-dropdown:hover > .app-submenu {
+    display: flex;
 }
 
 /* Nav-Items */
@@ -169,21 +232,42 @@ body {}
     padding-bottom: 0.25rem;
 }
 
+/* Sub-Items im Dropdown: volle Breite */
+.app-submenu .nav-item {
+    padding: 0;
+    width: 100%;
+}
+
+.app-submenu .nav-link {
+    padding: 6px 16px;
+    border-radius: 0;
+    white-space: nowrap;
+    display: block;
+    width: 100%;
+}
+
+.app-submenu .nav-link:hover {
+    background-color: rgba(0, 0, 0, 0.25);
+}
+
 /* Hover-/Active-Style für Links */
 .app-menu .nav-link {
     padding: 6px 12px;
     border-radius: 6px;
-    transition: background-color 0.2s ease, color 0.2s ease;
+    transition: background-color 0.2s ease, color 0.2s ease, font-weight 0.2s ease;
 }
 
+/* Hover: dunkler Hintergrund */
 .app-menu .nav-link:hover {
-    background-color: #4a4a4a;
+    background-color: rgba(0, 0, 0, 0.35);
     color: #ffffff !important;
 }
 
+/* Aktive Seite: dunkel + fett */
 .app-menu .nav-link.active {
-    background-color: #3b3b3b;
+    background-color: rgba(0, 0, 0, 0.45);
     color: #ffffff !important;
+    font-weight: 700;
 }
 
 
@@ -328,4 +412,22 @@ body {}
         font-size: clamp(12px, 3.5vw, 15px);
     }
 
+    /* Mobile: Dropdown standardmäßig versteckt */
+    .app-submenu {
+        position: static !important;
+        min-width: unset !important;
+        box-shadow: none !important;
+        background-color: transparent !important;
+        padding: 0 !important;
+        padding-left: 1rem !important;
+        border-radius: 0 !important;
+        display: none !important;
+    }
+
+    /* Mobile: Dropdown nur öffnen wenn angeklickt */
+    .app-submenu.mobile-open {
+        display: flex !important;
+        flex-direction: column;
+    }
+
 }