        .json-input {
            border: 2px solid #e9ecef;
            border-radius: 10px;
            transition: all 0.3s ease;
            font-family: 'Courier New', monospace;
        }

        .json-input:focus {
            border-color: #667eea;
            box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
        }

        .btn-primary {
            transition: all 0.3s ease;
        }

        .json-field {
            background: white;
            border: 1px solid #e9ecef;
            border-radius: 10px;
            padding: 1rem;
            margin-bottom: 1rem;
            transition: all 0.3s ease;
        }

        .json-field:hover {
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transform: translateY(-2px);
        }

        .field-key {
            font-weight: 600;
            color: #495057;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .field-value {
            color: #212529;
            font-size: 1rem;
            word-break: break-word;
        }

        .status-success {
            border-left: 4px solid #28a745;
            background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
        }

        .status-error {
            border-left: 4px solid #dc3545;
            background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
        }

        .status-warning {
            border-left: 4px solid #ffc107;
            background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
        }

        .nested-object {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: 8px;
            padding: 1rem;
            margin-top: 0.5rem;
        }

        .collapse-btn {
            background: none;
            border: none;
            color: #667eea;
            font-size: 0.9rem;
            padding: 0;
            margin-bottom: 0.5rem;
        }

        .collapse-btn:hover {
            color: #764ba2;
        }

        .field-type {
            font-size: 0.75rem;
            color: #6c757d;
            font-style: italic;
        }

        .example-buttons {
            margin-bottom: 1rem;
        }

        .btn-outline-secondary {
            border-color: #6c757d;
            color: #6c757d;
            border-radius: 8px;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }

        .btn-outline-secondary:hover {
            background-color: #6c757d;
            border-color: #6c757d;
        }

        .fade-in {
            animation: fadeIn 0.5s ease-in;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }