Refactor code, fix UI and logic code

hotel-management/src/components/AppLayout/styled.ts

@@ -0,0 +1,16 @@
+import styled from 'styled-components';
+
+const StyledAppLayout = styled.div`
+  display: grid;
+  grid-template-columns: 300px 1fr;
+  grid-template-rows: auto 1fr;
+  height: 100vh;
+`;
+
+const Main = styled.main`
+  border: 1px solid var(--border-color);
+
+  overflow: scroll;
+`;
+
+export { StyledAppLayout, Main };