v0.7.36 - Implement sliding side navigation menu with page switching for admin sections

api/index.css

@@ -1109,3 +1109,91 @@ body.dark-mode .sql-results-table tbody tr:nth-child(even) {
     border-radius: var(--border-radius);
     box-sizing: border-box;
 }
+
+/* ================================
+   SIDE NAVIGATION MENU
+   ================================ */
+
+.side-nav {
+    position: fixed;
+    top: 0;
+    left: -300px;
+    width: 280px;
+    height: 100vh;
+    background: var(--secondary-color);
+    border-right: var(--border-width) solid var(--border-color);
+    z-index: 1000;
+    transition: left 0.3s ease;
+    overflow-y: auto;
+    padding-top: 80px;
+}
+
+.side-nav.open {
+    left: 0;
+}
+
+.side-nav-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgba(0, 0, 0, 0.5);
+    z-index: 999;
+    display: none;
+}
+
+.side-nav-overlay.show {
+    display: block;
+}
+
+.nav-menu {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+}
+
+.nav-menu li {
+    border-bottom: var(--border-width) solid var(--muted-color);
+}
+
+.nav-menu li:last-child {
+    border-bottom: none;
+}
+
+.nav-item {
+    display: block;
+    padding: 15px 20px;
+    color: var(--primary-color);
+    text-decoration: none;
+    font-family: var(--font-family);
+    font-size: 16px;
+    font-weight: bold;
+    transition: all 0.2s ease;
+    cursor: pointer;
+    border: none;
+    background: none;
+    width: 100%;
+    text-align: left;
+}
+
+.nav-item:hover {
+    background: rgba(0, 0, 0, 0.05);
+    border-left: 4px solid var(--accent-color);
+    padding-left: 16px;
+}
+
+.nav-item.active {
+    background: rgba(255, 0, 0, 0.1);
+    border-left: 4px solid var(--accent-color);
+    padding-left: 16px;
+}
+
+.header-title.clickable {
+    cursor: pointer;
+    transition: all 0.2s ease;
+}
+
+.header-title.clickable:hover {
+    opacity: 0.8;
+}