* { margin: 0; padding: 0; box-sizing: border-box; }
    html, body, #root { height: 100%; overflow: hidden; font-family: system-ui, sans-serif; }
    
    .flex { display: flex; }
    .flex-col { flex-direction: column; }
    .flex-1 { flex: 1; }
    .items-center { align-items: center; }
    .justify-center { justify-content: center; }
    .justify-between { justify-content: space-between; }
    .justify-end { justify-content: flex-end; }
    .gap-1 { gap: 0.25rem; }
    .gap-2 { gap: 0.5rem; }
    .gap-3 { gap: 0.75rem; }
    .p-2 { padding: 0.5rem; }
    .p-3 { padding: 0.75rem; }
    .p-4 { padding: 1rem; }
    .p-6 { padding: 1.5rem; }
    .px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
    .px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
    .px-4 { padding-left: 1rem; padding-right: 1rem; }
    .py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
    .py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
    .mb-1 { margin-bottom: 0.25rem; }
    .mb-2 { margin-bottom: 0.5rem; }
    .mb-3 { margin-bottom: 0.75rem; }
    .mb-4 { margin-bottom: 1rem; }
    .mt-1 { margin-top: 0.25rem; }
    .mt-2 { margin-top: 0.5rem; }
    .ml-auto { margin-left: auto; }
    .space-y-1 > * + * { margin-top: 0.25rem; }
    .w-full { width: 100%; }
    .w-80 { width: 20rem; }
    .w-96 { width: 24rem; }
    .w-8 { width: 2rem; }
    .w-3 { width: 0.75rem; }
    .w-4 { width: 1rem; }
    .w-panel { width: 320px; min-width: 280px; max-width: 400px; flex-shrink: 1; }
    .h-8 { height: 2rem; }
    .h-3 { height: 0.75rem; }
    .h-4 { height: 1rem; }
    .h-screen { height: 100vh; }
    .min-w-0 { min-width: 0; }
    .max-h-60 { max-height: 15rem; }
    .max-h-64 { max-height: 16rem; }
    .text-xs { font-size: 0.75rem; }
    .text-sm { font-size: 0.875rem; }
    .text-xl { font-size: 1.25rem; }
    .font-bold { font-weight: 700; }
    .font-medium { font-weight: 500; }
    .font-semibold { font-weight: 600; }
    .text-center { text-align: center; }
    .text-white { color: white; }
    .text-gray-400 { color: #9ca3af; }
    .text-gray-500 { color: #6b7280; }
    .text-gray-600 { color: #4b5563; }
    .text-red-500 { color: #ef4444; }
    .bg-white { background-color: white; }
    .bg-gray-50 { background-color: #f9fafb; }
    .bg-gray-100 { background-color: #f3f4f6; }
    .bg-gray-200 { background-color: #e5e7eb; }
    .bg-gray-400 { background-color: #9ca3af; }
    .bg-gray-500 { background-color: #6b7280; }
    .bg-blue-50 { background-color: #eff6ff; }
    .bg-blue-100 { background-color: #dbeafe; }
    .bg-blue-500 { background-color: #3b82f6; }
    .bg-green-50 { background-color: #d1fae5; }
    .bg-green-200 { background-color: #86efac; }
    .bg-green-500 { background-color: #22c55e; }
    .bg-indigo-500 { background-color: #6366f1; }
    .bg-indigo-600 { background-color: #4f46e5; }
    .bg-orange-500 { background-color: #f97316; }
    .bg-purple-50 { background-color: #faf5ff; }
    .bg-purple-500 { background-color: #a855f7; }
    .bg-teal-500 { background-color: #14b8a6; }
    .bg-teal-600 { background-color: #0d9488; }
    .bg-yellow-50 { background-color: #fefce8; }
    .bg-black { background-color: black; }
    .border { border: 1px solid #e5e7eb; }
    .border-2 { border: 2px solid; }
    .border-b { border-bottom: 1px solid #e5e7eb; }
    .border-l { border-left: 1px solid #e5e7eb; }
    .border-gray-300 { border-color: #d1d5db; }
    .border-green-300 { border-color: #86efac; }
    .border-green-500 { border-color: #22c55e; }
    .border-yellow-200 { border-color: #fef08a; }
    .rounded { border-radius: 0.25rem; }
    .rounded-lg { border-radius: 0.5rem; }
    .rounded-full { border-radius: 9999px; }
    .cursor-move { cursor: move; }
    .cursor-pointer { cursor: pointer; }
    .overflow-hidden { overflow: hidden; }
    .overflow-auto { overflow: auto; }
    .overflow-y-auto { 
      overflow-y: auto; 
      -webkit-overflow-scrolling: touch;
      scroll-behavior: smooth;
    }
    .truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .whitespace-pre-wrap { white-space: pre-wrap; }
    .flex-shrink-0 { flex-shrink: 0; }
    .relative { position: relative; }
    .fixed { position: fixed; }
    .inset-0 { inset: 0; }
    .z-50 { z-index: 50; }
    .hidden { display: none; }
    .opacity-50 { opacity: 0.5; }
    
    button { 
      border: none; 
      cursor: pointer; 
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1rem;
      border-radius: 0.25rem;
      font-weight: 500;
      transition: all 0.2s;
    }
    button:disabled { opacity: 0.5; cursor: not-allowed; }
    button:hover:not(:disabled) { filter: brightness(1.1); }
    
    input, select {
      border: 1px solid #d1d5db;
      padding: 0.5rem;
      border-radius: 0.25rem;
    }
    input:focus, select:focus {
      outline: 2px solid #3b82f6;
    }
    
    .hover\\:bg-blue-200:hover { background-color: #bfdbfe; }
    .hover\\:bg-blue-600:hover { background-color: #2563eb; }
    .hover\\:bg-gray-100:hover { background-color: #f3f4f6; }
    .hover\\:bg-gray-600:hover { background-color: #4b5563; }
    .hover\\:bg-green-600:hover { background-color: #16a34a; }
    .hover\\:bg-green-700:hover { background-color: #15803d; }
    .hover\\:bg-indigo-600:hover { background-color: #4f46e5; }
    .hover\\:bg-orange-600:hover { background-color: #ea580c; }
    .hover\\:bg-purple-600:hover { background-color: #9333ea; }
    .hover\\:bg-teal-600:hover { background-color: #0d9488; }
    .hover\\:bg-yellow-100:hover { background-color: #fef3c7; }
    .hover\\:text-red-700:hover { color: #b91c1c; }