fix: remove overflow-hidden from api-section-grid children, add body max-width

- Remove overflow-x:hidden from .api-section-grid > * (was clipping code blocks)
- Use min-width:0 + max-width:100% instead for proper containment
- Add overflow-x:hidden + max-width:100vw to body and #app

Author: aidil-coder-bot

src/style.css

@@ -19,6 +19,13 @@ body {
   font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
   @apply bg-white dark:bg-gray-950 text-gray-900 dark:text-gray-100;
   transition: background-color 0.15s ease, color 0.15s ease;
+  overflow-x: hidden;
+  max-width: 100vw;
+}
+
+#app {
+  overflow-x: hidden;
+  max-width: 100vw;
 }
 
 /* Skip link */
@@ -98,6 +105,12 @@ body {
   }
 }
 
+/* Prevent grid children from overflowing viewport */
+.api-section-grid > * {
+  min-width: 0;
+  max-width: 100%;
+}
+
 /* Scrollbar styling */
 ::-webkit-scrollbar { width: 6px; height: 6px; }
 ::-webkit-scrollbar-track { background: transparent; }