feat: Implement core chat functionality with LM Studio integration and theme management.

constants/Colors.ts

@@ -0,0 +1,55 @@
+const tintColorLight = '#0F172A'; // slate-900
+const tintColorDark = '#F8FAFC';  // slate-50
+
+export const Colors = {
+    light: {
+        backgroundColor: '#F8FAFC', // slate-50
+        cardBackground: '#FFFFFF',
+        text: '#0F172A', // slate-900
+        textMuted: '#64748B', // slate-500
+        border: '#E2E8F0', // slate-200
+        tint: tintColorLight,
+        icon: '#64748B',
+        tabIconDefault: '#94A3B8',
+        tabIconSelected: tintColorLight,
+        // Chat specific
+        messageUserText: '#FFFFFF',
+        messageUserBg: '#0F172A', // slate-900
+        messageAssistantText: '#0F172A',
+        messageAssistantBg: '#FFFFFF',
+        inputBg: '#FFFFFF',
+        inputBorder: '#E2E8F0',
+        bannerBg: '#FEF3C7', // amber-100
+        bannerText: '#92400E', // amber-900
+        successBg: '#F0FDF4', // green-50
+        successText: '#166534', // green-800
+        errorBg: '#FEF2F2', // red-50
+        errorText: '#991B1B', // red-800
+        shadow: '#000000',
+    },
+    dark: {
+        backgroundColor: '#020617', // slate-950
+        cardBackground: '#0F172A', // slate-900
+        text: '#F8FAFC', // slate-50
+        textMuted: '#94A3B8', // slate-400
+        border: '#1E293B', // slate-800
+        tint: tintColorDark,
+        icon: '#94A3B8',
+        tabIconDefault: '#475569',
+        tabIconSelected: tintColorDark,
+        // Chat specific
+        messageUserText: '#020617', // slate-950
+        messageUserBg: '#F8FAFC', // slate-50
+        messageAssistantText: '#E2E8F0', // slate-200
+        messageAssistantBg: '#0F172A', // slate-900
+        inputBg: '#0F172A', // slate-900
+        inputBorder: '#1E293B', // slate-800
+        bannerBg: '#451A03', // amber-950
+        bannerText: '#FDE68A', // amber-200
+        successBg: '#052E16', // green-950
+        successText: '#BBF7D0', // green-200
+        errorBg: '#450A0A', // red-950
+        errorText: '#FECACA', // red-200
+        shadow: '#000000',
+    },
+};