vibe coded website (plus captive portal)

needs missing ESP32 implementation

Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/storage/www/js/ui.js

@@ -0,0 +1,53 @@
+// Theme management
+function initTheme() {
+    const savedTheme = localStorage.getItem('theme') || 'dark';
+    setTheme(savedTheme);
+}
+
+function setTheme(theme) {
+    document.documentElement.setAttribute('data-theme', theme);
+    localStorage.setItem('theme', theme);
+
+    const icon = document.getElementById('theme-icon');
+    const label = document.getElementById('theme-label');
+    const metaTheme = document.querySelector('meta[name="theme-color"]');
+
+    if (theme === 'light') {
+        icon.textContent = '☀️';
+        label.textContent = 'Light';
+        metaTheme.content = '#f0f2f5';
+    } else {
+        icon.textContent = '🌙';
+        label.textContent = 'Dark';
+        metaTheme.content = '#1a1a2e';
+    }
+}
+
+function toggleTheme() {
+    const current = document.documentElement.getAttribute('data-theme') || 'dark';
+    setTheme(current === 'dark' ? 'light' : 'dark');
+}
+
+// Tab switching
+function switchTab(tabName) {
+    document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
+    document.querySelectorAll('.tab-content').forEach(c => c.classList.remove('active'));
+
+    document.querySelector(`.tab[onclick="switchTab('${tabName}')"]`).classList.add('active');
+    document.getElementById(`tab-${tabName}`).classList.add('active');
+}
+
+// Sub-tab switching
+function switchSubTab(subTabName) {
+    document.querySelectorAll('.sub-tab').forEach(t => t.classList.remove('active'));
+    document.querySelectorAll('.sub-tab-content').forEach(c => c.classList.remove('active'));
+
+    document.querySelector(`.sub-tab[onclick="switchSubTab('${subTabName}')"]`).classList.add('active');
+    document.getElementById(`subtab-${subTabName}`).classList.add('active');
+
+    if (subTabName === 'schema' && schemaData.length === 0) {
+        loadSchema();
+    }
+}
+
+// Note: showStatus is defined in wifi-shared.js (loaded first)