diff --git a/client/src/index.css b/client/src/index.css
new file mode 100644
index 0000000..e6a437e
--- /dev/null
+++ b/client/src/index.css
@@ -0,0 +1,61 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 222 47% 11%;
+    --card: 0 0% 100%;
+    --card-foreground: 222 47% 11%;
+    --popover: 0 0% 100%;
+    --popover-foreground: 222 47% 11%;
+    --primary: 222 47% 20%;
+    --primary-foreground: 0 0% 98%;
+    --secondary: 210 40% 96%;
+    --secondary-foreground: 222 47% 11%;
+    --muted: 210 40% 96%;
+    --muted-foreground: 215 16% 47%;
+    --accent: 210 40% 92%;
+    --accent-foreground: 222 47% 11%;
+    --destructive: 0 84% 60%;
+    --destructive-foreground: 0 0% 98%;
+    --border: 214 32% 91%;
+    --input: 214 32% 91%;
+    --ring: 222 47% 20%;
+    --radius: 0.5rem;
+  }
+
+  .dark {
+    --background: 222 47% 5%;
+    --foreground: 210 40% 96%;
+    --card: 222 47% 8%;
+    --card-foreground: 210 40% 96%;
+    --popover: 222 47% 8%;
+    --popover-foreground: 210 40% 96%;
+    --primary: 210 40% 90%;
+    --primary-foreground: 222 47% 11%;
+    --secondary: 217 33% 17%;
+    --secondary-foreground: 210 40% 96%;
+    --muted: 217 33% 17%;
+    --muted-foreground: 215 20% 65%;
+    --accent: 217 33% 17%;
+    --accent-foreground: 210 40% 96%;
+    --destructive: 0 63% 31%;
+    --destructive-foreground: 210 40% 98%;
+    --border: 217 33% 17%;
+    --input: 217 33% 17%;
+    --ring: 212 97% 87%;
+  }
+}
+
+@layer base {
+  * { @apply border-border; }
+  body { @apply bg-background text-foreground; font-family: system-ui, -apple-system, sans-serif; }
+}
+
+/* Prose for product descriptions */
+.prose p { margin-bottom: 0.75em; line-height: 1.7; }
+.prose ul { list-style: disc; padding-left: 1.5em; margin-bottom: 0.75em; }
+.prose li { margin-bottom: 0.25em; }
+.prose strong { font-weight: 600; }