.ip-result-box {
            background-color: #f8f9fa;
            border-radius: 6px;
            padding: 1.25rem;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            max-height: 400px;
            overflow-y: auto;
            border: 1px solid #dee2e6;
            white-space: pre-wrap;
            word-break: break-all;
            line-height: 1.8;
        }.form-label {font-size:0.85rem
}
        .ip-result-box .ip-entry {
            padding: 2px 4px;
            border-radius: 3px;
            transition: background 0.15s;
        }
        .ip-result-box .ip-entry:hover {
            background-color: #e9ecef;
        }
        .stat-badge {
            display: inline-block;
            background-color: rgba(70, 130, 180, 0.12);
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary-color);
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .stat-badge i {
            margin-right: 4px;
        }
        .batch-controls {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }
        .copy-feedback {
            font-size: 0.9rem;
            color: #28a745;
            margin-left: 0.5rem;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .copy-feedback.show {
            opacity: 1;
        }
        .option-group {
            background-color: #f1f4f8;
            border-radius: 8px;
            padding: 1rem 1.25rem;
            margin-bottom: 1rem;
        }
        .option-group label {
            font-weight: 500;
            margin-right: 0.75rem;
        }
        .ipv6-toggle .form-check-input:checked {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .range-indicator {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .example-badge {
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 16px;
            background-color: rgba(70, 130, 180, 0.08);
            border: 1px solid rgba(70, 130, 180, 0.15);
            font-size: 0.8rem;
            color: var(--primary-color);
            transition: all 0.2s;
        }
        .example-badge:hover {
            background-color: rgba(70, 130, 180, 0.18);
            transform: translateY(-1px);
        }
        .network-class-badge {
            font-size: 0.75rem;
            background-color: #e7f3ff;
            color: #004085;
            padding: 0.15rem 0.6rem;
            border-radius: 12px;
            border: 1px solid #b8daff;
        }
        .property-table th,
        .property-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        .deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .legend {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 0.5rem 0;
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .legend-item {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .legend-color {
            width: 16px;
            height: 16px;
            border-radius: 4px;
        }
        .legend-color.ipv4 {
            background-color: #0d6efd;
        }
        .legend-color.ipv6 {
            background-color: #6f42c1;
        }
        .legend-color.private {
            background-color: #28a745;
        }
        .export-actions {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
            margin-top: 0.75rem;
        }
        .toast-custom {
            background: #28a745;
            color: #fff;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            animation: slideUp 0.3s ease;
        }
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 0.75rem;
            margin: 0.75rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 6px;
            padding: 0.6rem 0.8rem;
            border: 1px solid #e9ecef;
            text-align: center;
        }
        .stat-card .stat-number {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary-color);
        }
        .stat-card .stat-label {
            font-size: 0.75rem;
            color: #6c757d;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }