diff --git a/client/src/index.css b/client/src/index.css
new file mode 100644
index 0000000..270965b
--- /dev/null
+++ b/client/src/index.css
@@ -0,0 +1,165 @@
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+:root {
+  --primary: #2563eb;
+  --primary-dark: #1e40af;
+  --secondary: #64748b;
+  --success: #10b981;
+  --danger: #ef4444;
+  --warning: #f59e0b;
+  --bg: #ffffff;
+  --bg-secondary: #f8fafc;
+  --border: #e2e8f0;
+  --text: #0f172a;
+  --text-secondary: #64748b;
+  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
+}
+
+body {
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
+    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  background: var(--bg-secondary);
+  color: var(--text);
+  line-height: 1.6;
+}
+
+code {
+  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New', monospace;
+}
+
+#root {
+  min-height: 100vh;
+}
+
+/* Scrollbar styling */
+::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+::-webkit-scrollbar-track {
+  background: var(--bg-secondary);
+}
+
+::-webkit-scrollbar-thumb {
+  background: var(--border);
+  border-radius: 4px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: var(--secondary);
+}
+
+/* Utility classes */
+.container {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 0 1rem;
+}
+
+.btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.5rem;
+  padding: 0.625rem 1.25rem;
+  border: none;
+  border-radius: 0.375rem;
+  font-size: 0.875rem;
+  font-weight: 500;
+  cursor: pointer;
+  transition: all 0.2s;
+  text-decoration: none;
+}
+
+.btn:hover {
+  transform: translateY(-1px);
+  box-shadow: var(--shadow);
+}
+
+.btn-primary {
+  background: var(--primary);
+  color: white;
+}
+
+.btn-primary:hover {
+  background: var(--primary-dark);
+}
+
+.btn-secondary {
+  background: var(--secondary);
+  color: white;
+}
+
+.btn-success {
+  background: var(--success);
+  color: white;
+}
+
+.btn-danger {
+  background: var(--danger);
+  color: white;
+}
+
+.card {
+  background: var(--bg);
+  border-radius: 0.5rem;
+  padding: 1.5rem;
+  box-shadow: var(--shadow);
+}
+
+.input {
+  width: 100%;
+  padding: 0.625rem;
+  border: 1px solid var(--border);
+  border-radius: 0.375rem;
+  font-size: 0.875rem;
+  transition: border-color 0.2s;
+}
+
+.input:focus {
+  outline: none;
+  border-color: var(--primary);
+}
+
+.label {
+  display: block;
+  margin-bottom: 0.5rem;
+  font-size: 0.875rem;
+  font-weight: 500;
+  color: var(--text-secondary);
+}
+
+.grid {
+  display: grid;
+  gap: 1.5rem;
+}
+
+.grid-2 {
+  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
+}
+
+.grid-3 {
+  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
+}
+
+.loading {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  min-height: 200px;
+}
+
+.error {
+  color: var(--danger);
+  padding: 1rem;
+  background: #fee2e2;
+  border-radius: 0.375rem;
+  margin: 1rem 0;
+}
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