Create styles.css

styles.css

@@ -0,0 +1,46 @@
+body > main {
+    padding-top: 0;
+}
+
+nav {
+    position: sticky;
+    top: 0;
+    z-index: 1000;
+    background: rgba(255, 255, 255, 0.8);
+    backdrop-filter: blur(10px);
+    -webkit-backdrop-filter: blur(10px);
+    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+}
+
+.content-wrapper {
+    max-height: calc(100vh - 4rem);
+    overflow-y: auto;
+}
+
+canvas {
+    max-width: 100%;
+}
+
+.loading-indicator {
+    display: none;
+    text-align: center;
+    padding: 20px;
+}
+
+.loading-indicator::after {
+    content: '';
+    display: inline-block;
+    width: 40px;
+    height: 40px;
+    border-radius: 50%;
+    border: 4px solid #ccc;
+    border-top-color: #333;
+    animation: spin 1s ease-in-out infinite;
+}
+
+@keyframes spin {
+    to {
+        transform: rotate(360deg);
+    }
+}