fix height dvh

frontend/src/components/Sidebar.css

@@ -4,7 +4,7 @@
     position: fixed;
     top: 0;
     left: 0;
-    height: 100vh;
+    height: 100dvh;
     background-color: #0c0c16;
     color: white;
     font-family: 'Inter', sans-serif;
@@ -83,15 +83,8 @@
 
   .sidebar-footer {
     padding: 16px;
-    margin-bottom: 20px;
   }
 
-  @media only screen and (orientation: portrait) {
-    .sidebar-footer {
-        padding: 16px;
-      }
-}
-
   .sidebar-item {
     display: flex;
     align-items: center;