Fix map display and auto theme detection

- Add missing #map CSS styles to fix map container display
- Fix auto theme detection by implementing proper system preference detection
- Update applyTheme function in all JS files to handle 'auto' theme correctly
- System theme changes are now properly detected and applied when in auto mode

public/privacy.html

@@ -165,7 +165,13 @@
         }
         
         function applyTheme(theme) {
-            document.documentElement.setAttribute('data-theme', theme);
+            if (theme === 'auto') {
+                // Detect system preference and apply appropriate theme
+                const prefersDark = window.matchMedia('(prefers-color-scheme: dark)').matches;
+                document.documentElement.setAttribute('data-theme', prefersDark ? 'dark' : 'light');
+            } else {
+                document.documentElement.setAttribute('data-theme', theme);
+            }
         }
         
         function updateThemeIcon(theme, iconElement) {