body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
        }
        .custom-scrollbar::-webkit-scrollbar { width: 4px; }
        .custom-scrollbar::-webkit-scrollbar-track { background: transparent; }
        .custom-scrollbar::-webkit-scrollbar-thumb { background: #E2E8F0; border-radius: 10px; }
        .draggable-row { cursor: grab; }
        .draggable-row:active { cursor: grabbing; }
        .dragging-row { opacity: 0.5; }
        .drag-over-row { background-color: #fbbf24 !important; }
        @keyframes slideIn {
          from { transform: translateY(-20px); opacity: 0; }
          to { transform: translateY(0); opacity: 1; }
        }
        .toast { animation: slideIn 0.3s ease-out; }