Redesign client cabinet UI with capsule nav and card layouts

app/assets/css/main.css

@@ -1,12 +1,72 @@
+@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@500;600;700;800&display=swap');
+
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
 
 :root {
-  --brand-primary: #0f766e;
-  --brand-secondary: #1d4ed8;
+  --brand-primary: #139957;
+  --brand-primary-deep: #0d854a;
+  --brand-secondary: #ff5600;
+  --brand-surface: #f4fbf7;
+  --brand-muted: #d8eee1;
+  --brand-ink: #0f2f20;
 }
 
 body {
-  @apply bg-base-200 text-base-content;
+  font-family: 'Manrope', 'Segoe UI', sans-serif;
+  @apply text-base-content;
+  background:
+    radial-gradient(circle at 8% 10%, rgba(19, 153, 87, 0.3), transparent 35%),
+    radial-gradient(circle at 92% 0%, rgba(255, 86, 0, 0.16), transparent 28%),
+    linear-gradient(160deg, #f7fcf9 0%, #edf7f0 44%, #f4fbf7 100%);
+  color: var(--brand-ink);
+}
+
+.lk-shell {
+  @apply min-h-screen;
+}
+
+.surface-card {
+  border: 1px solid color-mix(in srgb, var(--brand-primary) 16%, #ffffff 84%);
+  background: linear-gradient(160deg, rgba(255, 255, 255, 0.95), rgba(244, 251, 247, 0.9));
+  box-shadow: 0 20px 48px rgba(13, 133, 74, 0.1);
+}
+
+.glass-capsule {
+  border: 1px solid rgba(255, 255, 255, 0.42);
+  background: linear-gradient(120deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0.12));
+  backdrop-filter: blur(10px);
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
+}
+
+.lk-nav-link {
+  @apply inline-flex items-center gap-2 rounded-full px-4 py-2 text-sm font-semibold transition-all duration-200;
+  color: rgba(255, 255, 255, 0.85);
+}
+
+.lk-nav-link:hover {
+  background: rgba(255, 255, 255, 0.2);
+  color: #ffffff;
+}
+
+.lk-nav-link-active {
+  background: #ffffff;
+  color: var(--brand-primary-deep);
+  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.13);
+}
+
+.product-card-anim {
+  animation: product-card-in 0.55s ease-out both;
+}
+
+@keyframes product-card-in {
+  from {
+    opacity: 0;
+    transform: translateY(14px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
 }