migrate app from svelte

static/css/style.css

@@ -0,0 +1,55 @@
+html, body {
+    background-image: linear-gradient(#12181b, #12181b, #1c2330);
+    background-size: cover;
+    background-repeat: no-repeat;
+    height: auto;
+    min-height: 100vh;
+    margin: 0;
+}
+
+.main-panel {
+    color: rgb(217, 230, 241);
+    font-family:system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
+    font-size: 20px;
+    max-width: 600px;
+    margin: auto;
+    margin-top: 50px;
+    margin-bottom: 50px;
+    padding: 20px;
+    border: 1px solid rgb(217, 230, 241);
+    border-radius: 8px;
+    box-shadow: 0px 10px 50px #080808;
+    background-color: #22282b;
+}
+
+.container { /* from chatGPT */
+    display: flex;
+    justify-content: space-between; /* Space between items */
+    align-items: center; /* Center items vertically */
+    max-width: 600px; /* Fixed width for the container */
+    margin: 0 auto; /* Center the container on the page */
+}
+
+.back {
+    font-size: 16px;
+    text-decoration: none;
+    color: rgb(217, 230, 241);
+}
+
+a {
+    color: inherit;
+}
+
+a:hover {
+    color: white;
+    text-decoration-thickness: 1px;
+}
+
+p {
+    font-weight: 500;
+    line-height: 1.6;
+}
+
+h1 {
+    margin: 0;
+}