Index: chapterx-frontend/src/index.css
===================================================================
--- chapterx-frontend/src/index.css	(revision b62cefc14094ca5ac7154f7d48797a1e6c444935)
+++ chapterx-frontend/src/index.css	(revision b62cefc14094ca5ac7154f7d48797a1e6c444935)
@@ -0,0 +1,31 @@
+@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600&display=swap');
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+* { box-sizing: border-box; }
+body {
+  background-color: #0F172A;
+  color: #F8FAFC;
+  font-family: 'Inter', sans-serif;
+  margin: 0;
+}
+
+#root {
+  width: 100%;
+  min-height: 100vh;
+}
+
+.glass {
+  background: rgba(255,255,255,0.05);
+  backdrop-filter: blur(12px);
+  border: 1px solid rgba(255,255,255,0.1);
+}
+
+.glow-indigo {
+  box-shadow: 0 0 20px rgba(79,70,229,0.25);
+}
+
+::-webkit-scrollbar { width: 6px; }
+::-webkit-scrollbar-track { background: #0F172A; }
+::-webkit-scrollbar-thumb { background: #334155; border-radius: 3px; }