feat: add citrus-design stylesheet to customize admin UI layout and styling

resources/views/admin/inc/citrus-design.blade.php

@@ -16,6 +16,11 @@
     #page-container {
         background-color: var(--citrus-body) !important;
         font-family: 'Inter', sans-serif !important;
+        overflow-x: hidden !important;
+    }
+
+    canvas {
+        max-width: 100% !important;
     }
 
     /* --- SIDEBAR TIGHT REFACTOR --- */
@@ -25,10 +30,14 @@
     }
 
     .content {
-        margin: 0 auto;
-        padding: 0px;
-        margin-left: 10px !important;
-        padding-top: 10px !important;
+        padding: 15px 20px !important;
+        margin: 0 !important;
+        width: 100% !important;
+        max-width: 100% !important;
+    }
+
+    #page-container {
+        overflow-x: hidden !important;
     }
 
     .sidebar-content {