feat: added design for navbar and Background; edited DC-Handler; added roles for right calling; added check for highest role; added DC-Login page + Button

style.css

@@ -0,0 +1,148 @@
+html, body {
+    height: 100%; /* Höhe auf 100% setzen */
+    margin: 0;
+    font-family: Arial, sans-serif;
+    background: url("alphacar-bg.png") no-repeat center center fixed;
+    background-size: cover;
+    background-attachment: fixed;
+    color: #fff;
+}
+
+body::before {
+    content: "";
+    position: fixed;
+    top: 0; left: 0; right: 0; bottom: 0;
+    background: rgba(0, 0, 0, 0.6); /* Abdunkelung */
+    z-index: -1;
+}
+
+.main-content {
+    min-height: calc(100vh - 60px); /* Füllt den ganzen Bildschirm bis auf die Navbar */
+    padding: 20px;
+}
+
+/* Navbar */
+.navbar {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    background-color: rgba(31,31,31,0.9);
+    padding: 10px 20px;
+}
+.navbar a {
+    color: #fff;
+    text-decoration: none;
+    margin: 0 10px;
+    font-weight: bold;
+}
+
+/* Dropdown */
+.dropdown {
+    position: relative;
+    display: inline-block;
+}
+.dropdown-content {
+    display: none;
+    position: absolute;
+    background-color: rgba(50, 50, 50, 0.95);
+    min-width: 160px;
+    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
+    z-index: 1;
+}
+.dropdown-content a {
+    color: #fff;
+    padding: 12px 16px;
+    text-decoration: none;
+    display: block;
+}
+.dropdown-content a:hover {
+    background-color: #5865F2;
+}
+.dropdown:hover .dropdown-content {
+    display: block;
+}
+
+.user-info {
+    display: flex;
+    align-items: center;
+}
+.user-info img {
+    border-radius: 50%;
+    margin-right: 10px;
+    height: 35px;
+    width: 35px;
+}
+.logout-btn {
+    background-color: #5865F2;
+    border: none;
+    padding: 8px 12px;
+    border-radius: 5px;
+    color: #fff;
+    cursor: pointer;
+    margin-left: 10px;
+}
+.logout-btn:hover {
+    background-color: #4752C4;
+}
+
+/* Burger für Mobile */
+.navbar .burger {
+    display: none;
+    cursor: pointer;
+    font-size: 1.5em;
+}
+@media (max-width: 768px) {
+    .navbar-links {
+        display: none;
+        flex-direction: column;
+        background-color: rgba(31,31,31,0.95);
+        position: absolute;
+        top: 60px;
+        left: 0;
+        width: 100%;
+    }
+    .navbar-links.show {
+        display: flex;
+    }
+    .navbar .burger {
+        display: block;
+    }
+    .dropdown-content {
+        position: static;
+    }
+}
+/*LOGIN FORM*/
+#loginform{
+  position: fixed;
+  inset: 0px;
+  width: 12rem;
+  height: 5rem;
+  max-width: 100vw;
+  max-height: 100dvh;
+  margin: auto;
+}
+
+
+.discord-button{
+    display: inline-flex;
+    align-items: center;
+    background-color: #5865F2; /* Discord Blau */
+    color: #fff;
+    font-weight: 600;
+    font-size: 1.2em;
+    padding: 12px 20px;
+    border-radius: 8px;
+    text-decoration: none;
+    border: none;
+    cursor: pointer;
+    transition: background-color 0.2s ease-in-out;
+}
+
+.discord-button:hover {
+    background-color: #4752C4; /* dunkleres Blau beim Hover */
+}
+
+.discord-button img {
+    height: 24px;
+    margin-right: 10px;
+}