Sidebar improvement

It now works on mobile

frontend/src/styles/components/_sidebar.scss

@@ -4,31 +4,30 @@
 .sidebar {
   width: 260px;
   background: $color-sidebar;
-  color: #fffefe;
+  color: #fff;
   min-height: 100%;
   padding: $spacing-md;
   display: flex;
   flex-direction: column;
 
- 
-
   ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: $spacing-sm; flex: 1; }
 
   a, .menu-toggle {
-    color: #ffffff;
+    color: #fff;
     text-decoration: none;
     display: block;
     padding: 8px 12px;
-    border-radius: 4px;
-    &:hover { background: rgba(158, 45, 1, 0.842); }
+    border-radius: $border-radius;
+    transition: background 0.2s ease-in-out;
+    &:hover { background: rgba(255,255,255,0.1); }
   }
 
-  .menu-toggle { background: #ff5a316c; border: none; text-align: left; width: 100%; cursor: pointer; }
+  .menu-toggle { background: transparent; border: none; text-align: left; width: 100%; cursor: pointer; }
 
   .submenu {
     margin-left: 8px;
-    background: rgba(255,255,255,0.02);
-    border-radius: 4px;
+    background: rgba(255,255,255,0.05);
+    border-radius: $border-radius;
     padding: 6px;
     li { padding: 4px 0; }
   }
@@ -40,29 +39,135 @@
   }
 
   .logout-button {
-    background: rgba(255, 93, 43, 0.527);
-    color: #ffffff;
-    border: 1px solid rgba(255, 255, 255, 0.801);
+    background: rgba(255, 255, 255, 0.1);
+    color: #fff;
+    border: 1px solid rgba(255, 255, 255, 0.2);
     padding: 8px 12px;
     border-radius: 4px;
     width: 100%;
     cursor: pointer;
     text-align: left;
-    &:hover { background: rgba(255,255,255,0.15); }
-    &:active { background: rgba(255,255,255,0.2); }
+  }
+
+  .sidebar-header {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    width: 100%;
+    margin-bottom: $spacing-md;
+
+    .home {
+      flex-grow: 1;
+      display: flex;
+      justify-content: center;
+      
+      @media (max-width: 768px) {
+        padding-left: 36px;
+      }
+    }
+
+    .sidebar-close {
+      display: none;
+      background: transparent;
+      border: none;
+      color: #fff;
+      cursor: pointer;
+      padding: 8px;
+      border-radius: 50%;
+      align-items: center;
+      justify-content: center;
+      transition: background 0.2s ease-in-out;
+      margin-bottom: 0;
+
+      &:hover {
+        background: rgba(255, 255, 255, 0.1);
+      }
+
+      svg {
+        width: 20px;
+        height: 20px;
+        stroke: #fff;
+      }
+
+      @media (max-width: 768px) {
+        display: flex;
+      }
+    }
+  }
+  
+  .home-svg {
+    width: 24px;
+    height: 24px; 
+    vertical-align: middle;
+    margin-right: 8px;
   }
 
   &.user { width: 220px; background: darken($color-sidebar, 6%); }
+}
 
-  .home-svg {
-      width: 24px;
-      height: 24px; 
-      vertical-align: middle;
-      margin: 0 auto;
-  }
-
-  .home {
+// Floating mobile menu toggle button
+.mobile-menu-toggle {
+  display: none;
+  
+  @media (max-width: 768px) {
     display: flex;
+    position: fixed;
+    top: 1rem;
+    left: 1rem;
+    z-index: 998;
+    width: 48px;
+    height: 48px;
+    border-radius: 50%;
+    border: 1px solid rgba(128, 128, 128, 0.2);
+    background-color: var(--color-container);
+    color: var(--color-text);
+    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
+    cursor: pointer;
+    align-items: center;
     justify-content: center;
+    padding: 0;
+    transition: all 0.2s ease-in-out;
+    
+    svg {
+      width: 24px;
+      height: 24px;
+      stroke: var(--color-text);
+      transition: stroke 0.2s ease-in-out;
+    }
+    
+    &:hover {
+      transform: translateY(-1px);
+      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
+      background-color: var(--color-bg);
+    }
+    
+    &:active {
+      transform: translateY(0);
+    }
+  }
+}
+
+// Overlay backdrop that dims the screen and allows dismissals on mobile
+.sidebar-overlay {
+  display: none;
+  
+  @media (max-width: 768px) {
+    display: block;
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100vw;
+    height: 100vh;
+    background: rgba(0, 0, 0, 0.4);
+    backdrop-filter: blur(4px);
+    z-index: 999;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.3s ease-in-out;
+    
+    &.open {
+      opacity: 1;
+      pointer-events: auto;
+    }
   }
 }