From 7316238f16655bd127b04476bbf7864b27f940f9 Mon Sep 17 00:00:00 2001
From: Sivaldo <sivaldodavi@disroot.org>
Date: Sat, 13 Jun 2026 19:20:23 -0300
Subject: Commit inicial

---
 static/dark-mode.js | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 static/dark-mode.js

(limited to 'static/dark-mode.js')

diff --git a/static/dark-mode.js b/static/dark-mode.js
new file mode 100644
index 0000000..8e2d761
--- /dev/null
+++ b/static/dark-mode.js
@@ -0,0 +1,59 @@
+/**
+ * Dark Mode Toggle
+ * Respeita a preferência do sistema e permite alternar manualmente
+ * Salva a preferência no localStorage
+ */
+
+const DARK_MODE_KEY = 'caderno_dark_mode';
+
+function initDarkMode() {
+  // Verificar preferência salva
+  const saved = localStorage.getItem(DARK_MODE_KEY);
+  let isDark;
+
+  if (saved !== null) {
+    isDark = saved === 'true';
+  } else {
+    // Respeitar preferência do sistema
+    isDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+  }
+
+  applyDarkMode(isDark);
+}
+
+function applyDarkMode(isDark) {
+  const html = document.documentElement;
+  const toggle = document.getElementById('dark-mode-toggle');
+
+  if (isDark) {
+    html.setAttribute('data-theme', 'dark');
+    if (toggle) toggle.textContent = '☀️';
+  } else {
+    html.removeAttribute('data-theme');
+    if (toggle) toggle.textContent = '🌙';
+  }
+
+  localStorage.setItem(DARK_MODE_KEY, isDark);
+}
+
+function toggleDarkMode() {
+  const html = document.documentElement;
+  const isDark = html.getAttribute('data-theme') === 'dark';
+  applyDarkMode(!isDark);
+}
+
+// Inicializar quando o DOM estiver pronto
+if (document.readyState === 'loading') {
+  document.addEventListener('DOMContentLoaded', initDarkMode);
+} else {
+  initDarkMode();
+}
+
+// Detectar mudanças na preferência do sistema
+window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', (e) => {
+  const saved = localStorage.getItem(DARK_MODE_KEY);
+  if (saved === null) {
+    // Se o usuário não escolheu manualmente, seguir o sistema
+    applyDarkMode(e.matches);
+  }
+});
-- 
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