feat: add design system tokens to Tailwind

app/globals.css

@@ -2,26 +2,53 @@
 @tailwind components;
 @tailwind utilities;
 
-:root {
-  --background: #ffffff;
-  --foreground: #171717;
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --background: #0a0a0a;
-    --foreground: #ededed;
+@layer base {
+  body {
+    @apply bg-bg text-text-primary antialiased;
   }
 }
 
-body {
-  color: var(--foreground);
-  background: var(--background);
-  font-family: Arial, Helvetica, sans-serif;
-}
-
-@layer utilities {
-  .text-balance {
-    text-wrap: balance;
+@layer components {
+  .article-body {
+    @apply text-base leading-relaxed text-text-secondary;
+  }
+  .article-body p {
+    @apply mb-5;
+  }
+  .article-body h2 {
+    @apply text-2xl font-bold text-text-primary mt-9 mb-4;
+  }
+  .article-body h3 {
+    @apply text-xl font-semibold text-text-primary mt-7 mb-3;
+  }
+  .article-body strong {
+    @apply text-text-primary font-semibold;
+  }
+  .article-body a {
+    @apply text-accent underline hover:text-accent-hover;
+  }
+  .article-body ul {
+    @apply list-disc pl-6 mb-5 space-y-1;
+  }
+  .article-body ol {
+    @apply list-decimal pl-6 mb-5 space-y-1;
+  }
+  .article-body blockquote {
+    @apply border-l-4 border-accent bg-bg-card rounded-r-md pl-5 pr-4 py-3 my-6;
+  }
+  .article-body blockquote p {
+    @apply mb-0 italic;
+  }
+  .article-body img {
+    @apply rounded-md w-full my-6;
+  }
+  .article-body code:not(pre code) {
+    @apply bg-bg-card text-accent font-mono text-sm px-1.5 py-0.5 rounded;
+  }
+  .article-body pre {
+    @apply bg-bg-card rounded-md p-4 overflow-x-auto my-6 text-sm font-mono;
+  }
+  .article-body hr {
+    @apply border-border my-8;
   }
 }