Correção de bugs e criação do termos de privacidade

src/main/resources/static/theme.js

@@ -0,0 +1,36 @@
+(function() {
+    var saved = localStorage.getItem('fa_theme');
+    var theme = saved || 'light';
+    document.documentElement.setAttribute('data-theme', theme);
+})();
+
+function toggleTheme() {
+    var current = document.documentElement.getAttribute('data-theme');
+    var next = current === 'dark' ? 'light' : 'dark';
+    document.documentElement.setAttribute('data-theme', next);
+    localStorage.setItem('fa_theme', next);
+    updateThemeButtons();
+}
+
+function updateThemeButtons() {
+    var theme = document.documentElement.getAttribute('data-theme');
+    var moonSrc = 'imagens/moon-svgrepo-com.svg';
+    var sunSrc = 'imagens/sun-svgrepo-com.svg';
+
+    var icons = document.querySelectorAll('.theme-icon');
+    for (var i = 0; i < icons.length; i++) {
+        icons[i].src = theme === 'dark' ? sunSrc : moonSrc;
+        icons[i].alt = theme === 'dark' ? 'Tema Claro' : 'Tema Escuro';
+    }
+
+    var btns = document.querySelectorAll('.theme-toggle-btn');
+    for (var j = 0; j < btns.length; j++) {
+        btns[j].title = theme === 'dark' ? 'Tema Claro' : 'Tema Escuro';
+    }
+}
+
+if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', updateThemeButtons);
+} else {
+    updateThemeButtons();
+}