Add Notification and new mini desing

frontend/src/themes.js

@@ -1,4 +1,27 @@
 export const themes = {
+  modern: {
+    name: 'Современная',
+    gradient: 'from-green-400 to-emerald-600',
+    primary: 'bg-[#0f1115]',
+    secondary: 'bg-[#1a1d24]',
+    tertiary: 'bg-[#23262e]',
+    accent: 'bg-green-600',
+    accentHover: 'hover:bg-green-700',
+    text: 'text-gray-100',
+    textSecondary: 'text-gray-400',
+    border: 'border-gray-800',
+    hover: 'hover:bg-[#23262e]',
+    input: 'bg-[#0f1115] border-gray-700',
+    card: 'bg-[#1a1d24]',
+    cardHover: 'hover:bg-[#23262e]',
+    success: 'bg-green-600',
+    successHover: 'hover:bg-green-700',
+    danger: 'bg-gray-700',
+    dangerHover: 'hover:bg-gray-600',
+    warning: 'bg-yellow-600',
+    console: 'bg-[#0f1115]',
+    consoleText: 'text-gray-300',
+  },
   dark: {
     name: 'Тёмная',
     gradient: 'from-blue-400 to-purple-600',