diff --git a/src/tests/tailwind-dark-mode.test.js b/src/tests/tailwind-dark-mode.test.js
new file mode 100644
index 0000000..3b017d9
--- /dev/null
+++ b/src/tests/tailwind-dark-mode.test.js
@@ -0,0 +1,41 @@
+import { describe, it, expect } from 'vitest';
+import tailwindConfig from '../../tailwind.config.cjs';
+
+describe('Tailwind Dark Mode Configuration', () => {
+    it('should have dark mode enabled with class strategy', () => {
+        expect(tailwindConfig.darkMode).toBe('class');
+    });
+
+    it('should have comprehensive dark mode color palette', () => {
+        const darkColors = tailwindConfig.theme.extend.colors.dark;
+        
+        // Test background colors
+        expect(darkColors.background.DEFAULT).toBeDefined();
+        expect(darkColors.background.secondary).toBeDefined();
+        expect(darkColors.background.tertiary).toBeDefined();
+
+        // Test text colors
+        expect(darkColors.text.primary).toBeDefined();
+        expect(darkColors.text.secondary).toBeDefined();
+        expect(darkColors.text.muted).toBeDefined();
+
+        // Test interactive colors
+        expect(darkColors.primary.DEFAULT).toBeDefined();
+        expect(darkColors.primary.hover).toBeDefined();
+        expect(darkColors.primary.active).toBeDefined();
+
+        // Test accent colors
+        expect(darkColors.accent.success).toBeDefined();
+        expect(darkColors.accent.warning).toBeDefined();
+        expect(darkColors.accent.error).toBeDefined();
+        expect(darkColors.accent.info).toBeDefined();
+
+        // Test border colors
+        expect(darkColors.border.DEFAULT).toBeDefined();
+        expect(darkColors.border.subtle).toBeDefined();
+    });
+
+    it('should have dark class in safelist', () => {
+        expect(tailwindConfig.safelist).toContain('dark');
+    });
+});
\ No newline at end of file
diff --git a/tailwind.config.cjs b/tailwind.config.cjs
index 255708f..9cc8d3e 100644
--- a/tailwind.config.cjs
+++ b/tailwind.config.cjs
@@ -1,47 +1,82 @@
 /** @type {import('tailwindcss').Config} */
 module.exports = {
-	content: ["./src/views/**/*.pug", "./src/assets/js/*.js"],
-	theme: {
-		screens: {
-			xs: "640px",
-			sm: "780px",
-			md: "926px",
-			lg: "1024px",
-			xl: "1280px",
-			"2xl": "1536px",
-		},
-		extend: {
-			fontFamily: {
-				logo: ["Orienta", "serif"],
-				main: ["Poppins", "sans-serif"],
-				awesome: ['"Font Awesome 6 Free"'],
-			},
-			colors: {
-				twilight: {
-					50: "#f1f8fa",
-					100: "#E8F3F7",
-					200: "#bfe0ee",
-					300: "#9ed0e5",
-					400: "#7ec0dd",
-					500: "#5eb1d4",
-					600: "#3ea1cc",
-					700: "#2e86ab",
-					800: "#226581",
-					900: "#153f51",
-				},
-			},
-			textUnderlineOffset: {
-				6: "6px",
-			},
-			textDecorationThickness: {
-				3: "3px",
-			},
-			maxWidth: {
-				"1/3": "33%",
-				80: "20rem",
-			},
-		},
-	},
-	plugins: [require("@tailwindcss/forms")],
-	safelist: ["flash-success", "flash-error", "flash-info"],
-};
+    content: ["./src/views/**/*.pug", "./src/assets/js/*.js"],
+    darkMode: 'class', // Enable dark mode with class-based approach
+    theme: {
+        screens: {
+            xs: "640px",
+            sm: "780px",
+            md: "926px",
+            lg: "1024px",
+            xl: "1280px",
+            "2xl": "1536px",
+        },
+        extend: {
+            fontFamily: {
+                logo: ["Orienta", "serif"],
+                main: ["Poppins", "sans-serif"],
+                awesome: ['"Font Awesome 6 Free"'],
+            },
+            colors: {
+                // Existing twilight color palette
+                twilight: {
+                    50: "#f1f8fa",
+                    100: "#E8F3F7",
+                    200: "#bfe0ee",
+                    300: "#9ed0e5",
+                    400: "#7ec0dd",
+                    500: "#5eb1d4",
+                    600: "#3ea1cc",
+                    700: "#2e86ab",
+                    800: "#226581",
+                    900: "#153f51",
+                },
+                // New dark mode color palette
+                dark: {
+                    // Background colors
+                    background: {
+                        DEFAULT: "#121212", // Primary dark background
+                        secondary: "#1E1E1E", // Slightly lighter for secondary areas
+                        tertiary: "#2C2C2C", // Even lighter for tertiary elements
+                    },
+                    // Text colors
+                    text: {
+                        primary: "#E0E0E0",   // Primary text color
+                        secondary: "#A0A0A0", // Secondary text color
+                        muted: "#6E6E6E",     // Muted text color
+                    },
+                    // Interactive colors
+                    primary: {
+                        DEFAULT: "#3EA1CC", // Same as twilight primary
+                        hover: "#2E86AB",   // Derived from twilight 700
+                        active: "#226581",  // Derived from twilight 800
+                    },
+                    // Accent and semantic colors
+                    accent: {
+                        success: "#4CAF50",
+                        warning: "#FFC107",
+                        error: "#F44336",
+                        info: "#2196F3",
+                    },
+                    // Border and divider colors
+                    border: {
+                        DEFAULT: "#3A3A3A",
+                        subtle: "#2A2A2A",
+                    },
+                },
+            },
+            textUnderlineOffset: {
+                6: "6px",
+            },
+            textDecorationThickness: {
+                3: "3px",
+            },
+            maxWidth: {
+                "1/3": "33%",
+                80: "20rem",
+            },
+        },
+    },
+    plugins: [require("@tailwindcss/forms")],
+    safelist: ["flash-success", "flash-error", "flash-info", "dark"],
+};
\ No newline at end of file