added general theme colors to global css

src/app/globals.css

@@ -15,3 +15,25 @@
 *::-webkit-scrollbar {
   display: none;
 }
+
+body {
+  margin: 0;
+}
+
+@theme {
+  --color-primary: #cbd5e1;
+  --color-text: #273343;
+
+  /* constants */
+  --color-neo-aqua: #16a795;
+  --color-core-red: #ef4444;
+  --color-warning: #eedd55;
+  --color-information: #0ea5e9;
+  --color-error: #ef4444;
+  --color-success: #22c55e;
+}
+
+[data-theme='dark'] {
+  --color-primary: #273343;
+  --color-text: #cbd5e1;
+}