feat: implement Deep Forest dark mode, swipe gestures, PWA support, and PostgreSQL Full-Text Search

web/src/components/ThemeToggle.tsx

@@ -0,0 +1,37 @@
+import { useEffect, useState } from 'react';
+
+export function ThemeToggle() {
+    const [theme, setTheme] = useState(localStorage.getItem('theme') || 'light');
+
+    useEffect(() => {
+        const root = window.document.documentElement;
+        if (theme === 'dark') {
+            root.classList.add('dark');
+        } else {
+            root.classList.remove('dark');
+        }
+        localStorage.setItem('theme', theme);
+    }, [theme]);
+
+    const toggleTheme = () => {
+        setTheme(theme === 'light' ? 'dark' : 'light');
+    };
+
+    return (
+        <button
+            onClick={toggleTheme}
+            className="p-2 rounded-lg border border-nature/10 text-nature hover:bg-nature/5 transition-all duration-300"
+            title={theme === 'light' ? 'Activer le mode sombre' : 'Activer le mode clair'}
+        >
+            {theme === 'light' ? (
+                <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.5} d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" />
+                </svg>
+            ) : (
+                <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.5} d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
+                </svg>
+            )}
+        </button>
+    );
+}