Update -> refactor and optimize UI , code ,...

public/router.php

@@ -0,0 +1,21 @@
+<?php
+$uri = $_SERVER['REQUEST_URI'];
+$path = parse_url($uri, PHP_URL_PATH);
+
+// Strip trailing slash
+$path = rtrim($path, '/') ?: '/';
+
+// Route: /view/{id}
+if (preg_match('#^/view/([a-f0-9]+)$#i', $path, $m)) {
+    $_GET['id'] = $m[1];
+    require __DIR__ . '/view.php';
+    exit;
+}
+
+// Route: static assets
+if (preg_match('#\.(css|js|png|jpg|ico|svg|woff2?)$#', $path)) {
+    return false; // let PHP built-in server serve the file
+}
+
+// Route: / or /index.php
+require __DIR__ . '/index.php';