feat(ui): implement organic warmth premium theme

web/tailwind.config.js

@@ -8,17 +8,22 @@ export default {
         extend: {
             colors: {
                 carbon: {
-                    DEFAULT: '#F8F9FA', // Alabaster
-                    light: '#FFFFFF',   // White for cards
-                    dark: '#E9ECEF',    // Light gray for borders/inputs
+                    DEFAULT: '#FAFAF9', // Stone-50 (Warm Paper Background)
+                    light: '#FFFFFF',   // Pure White (Cards)
+                    dark: '#E7E5E4',    // Stone-200 (Borders/Inputs)
                 },
-                gold: {
-                    DEFAULT: '#d4af37',
-                    glow: 'rgba(212, 175, 55, 0.4)',
+                nature: {
+                    DEFAULT: '#166534', // Green-800 (Forest Green - Primary Action)
+                    light: '#15803d',   // Green-700 (Hover State)
+                    glow: 'rgba(22, 101, 52, 0.2)',
+                },
+                earth: {
+                    DEFAULT: '#A0522D', // Sienna (Secondary/Accent)
+                    muted: '#D6CBC7',   // Warm Gray
                 },
                 paper: {
-                    white: '#1A1A1A',   // Dark text
-                    muted: '#6B7280',   // Gray text
+                    white: '#1C1917',   // Stone-900 (Primary Text - Soft Black)
+                    muted: '#57534E',   // Stone-600 (Secondary Text)
                 }
             },
             fontFamily: {