add Header for cart page

src/layouts/app/styles.css

@@ -1,3 +1,44 @@
+.header-nav {
+  padding: 0 1rem;
+  background: #fff;
+  backdrop-filter: blur(10px);
+  display: flex;
+  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
+  align-items: center;
+  justify-content: space-between;
+  position: sticky;
+  top: 0;
+  z-index: 1;
+  gap: 4px;
+  transition: all 0.25s;
+  height: 8vh;
+}
+
+.user-icon {
+  font-size: 16px;
+  width: 48px;
+  height: 48px;
+  border-radius: 12px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: var(--primary-light);
+}
+
+.user-profile-image {
+  border-radius: 12px;
+  object-fit: cover;
+  border: 2px solid rgba(255, 255, 255, 0.1);
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+  position: relative;
+  top: -20px;
+}
+
+:where(.darkApp) .user-profile-image {
+  border: 2px solid rgba(255, 255, 255, 0.1);
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
+}
+
 .trigger {
   padding: 0 8px;
   font-size: 18px;
@@ -64,3 +105,11 @@
   right: 30px !important;
   width: 32px;
 }
+
+:where(.darkApp) .header-nav {
+  background: var(--primary-dark);
+}
+
+:where(.darkApp) .user-icon {
+  background: var(--primary-dark);
+}