Fix Tailwind CSS styling configuration

- Add tailwind.config.ts with proper content paths and theme config
- Add postcss.config.js for Tailwind and autoprefixer processing
- Downgrade tailwindcss to v3.4.17 and add missing PostCSS dependencies
- Update Dockerfile to clarify build process
- Fix UI styling issues in Docker environment

app/globals.css

@@ -1,7 +1,170 @@
+@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
 
+:root {
+  --bg-primary: #0a0a0b;
+  --bg-secondary: #1a1a1b;
+  --bg-tertiary: #262626;
+  --bg-card: #1e1e1f;
+  --border-primary: #333;
+  --text-primary: #ffffff;
+  --text-secondary: #a1a1aa;
+  --text-accent: #22d3ee;
+  --success: #10b981;
+  --danger: #ef4444;
+  --warning: #f59e0b;
+  --purple: #8b5cf6;
+  --blue: #3b82f6;
+}
+
+* {
+  box-sizing: border-box;
+}
+
 body {
   font-family: 'Inter', system-ui, sans-serif;
+  background: linear-gradient(135deg, var(--bg-primary) 0%, #0f0f0f 100%);
+  color: var(--text-primary);
+  overflow-x: hidden;
+}
+
+/* Custom scrollbar */
+::-webkit-scrollbar {
+  width: 6px;
+}
+
+::-webkit-scrollbar-track {
+  background: var(--bg-secondary);
+}
+
+::-webkit-scrollbar-thumb {
+  background: var(--border-primary);
+  border-radius: 3px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: #555;
+}
+
+/* Glass morphism effect */
+.glass {
+  background: rgba(26, 26, 27, 0.8);
+  backdrop-filter: blur(20px);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+/* Gradient borders */
+.gradient-border {
+  position: relative;
+  background: var(--bg-card);
+  border-radius: 12px;
+}
+
+.gradient-border::before {
+  content: '';
+  position: absolute;
+  inset: 0;
+  padding: 1px;
+  background: linear-gradient(135deg, rgba(34, 211, 238, 0.3), rgba(139, 92, 246, 0.3));
+  border-radius: inherit;
+  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
+  mask-composite: subtract;
+}
+
+/* Button components */
+@layer components {
+  .btn {
+    @apply px-4 py-2 rounded-lg font-medium transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-offset-gray-900;
+  }
+  
+  .btn-primary {
+    @apply bg-gradient-to-r from-cyan-500 to-blue-600 hover:from-cyan-600 hover:to-blue-700 text-white shadow-lg hover:shadow-cyan-500/25;
+  }
+  
+  .btn-secondary {
+    @apply bg-gray-700 hover:bg-gray-600 text-gray-100 border border-gray-600;
+  }
+  
+  .btn-success {
+    @apply bg-gradient-to-r from-green-500 to-emerald-600 hover:from-green-600 hover:to-emerald-700 text-white shadow-lg hover:shadow-green-500/25;
+  }
+  
+  .btn-danger {
+    @apply bg-gradient-to-r from-red-500 to-rose-600 hover:from-red-600 hover:to-rose-700 text-white shadow-lg hover:shadow-red-500/25;
+  }
+  
+  .btn-warning {
+    @apply bg-gradient-to-r from-yellow-500 to-orange-600 hover:from-yellow-600 hover:to-orange-700 text-white shadow-lg hover:shadow-yellow-500/25;
+  }
+
+  .card {
+    @apply bg-gray-900/50 backdrop-blur-sm border border-gray-800 rounded-xl p-6 shadow-xl hover:shadow-2xl transition-all duration-300;
+  }
+
+  .card-gradient {
+    @apply relative overflow-hidden;
+    background: linear-gradient(135deg, rgba(30, 30, 31, 0.9) 0%, rgba(26, 26, 27, 0.9) 100%);
+  }
+
+  .card-gradient::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    height: 1px;
+    background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.5), transparent);
+  }
+
+  .status-indicator {
+    @apply inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium;
+  }
+
+  .status-online {
+    @apply bg-green-100 text-green-800 border border-green-200;
+  }
+
+  .status-offline {
+    @apply bg-red-100 text-red-800 border border-red-200;
+  }
+
+  .status-pending {
+    @apply bg-yellow-100 text-yellow-800 border border-yellow-200;
+  }
+}
+
+/* Animations */
+@keyframes pulse-glow {
+  0%, 100% {
+    box-shadow: 0 0 5px rgba(34, 211, 238, 0.5);
+  }
+  50% {
+    box-shadow: 0 0 20px rgba(34, 211, 238, 0.8), 0 0 30px rgba(34, 211, 238, 0.4);
+  }
+}
+
+.pulse-glow {
+  animation: pulse-glow 2s ease-in-out infinite;
+}
+
+@keyframes slide-up {
+  from {
+    opacity: 0;
+    transform: translateY(20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+.slide-up {
+  animation: slide-up 0.6s ease-out;
+}
+
+/* Loading spinner */
+.spinner {
+  @apply inline-block w-4 h-4 border-2 border-gray-300 border-t-cyan-500 rounded-full animate-spin;
 }