.feature-card-icon.ipbt-icon {
        background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    }
    .feature-card-btn.ipbt-btn {
        background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
    }

    .ipbt-header {
        background: linear-gradient(135deg, rgba(14,165,233,0.08) 0%, rgba(6,182,212,0.08) 100%);
        border-radius: 12px;
        padding: 14px 16px;
        margin-bottom: 12px;
    }
    .ipbt-header-ip {
        font-family: 'SF Mono', Consolas, Monaco, 'Courier New', monospace;
        font-size: 1.15rem;
        font-weight: 700;
        color: #0c4a6e;
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 4px;
    }
    .ipbt-header-ip i {
        color: #0ea5e9;
    }
    .ipbt-header-loc {
        font-size: 0.95rem;
        color: #475569;
        font-weight: 600;
    }

    .ipbt-chips {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 14px;
    }
    .ipbt-chip {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 5px 12px;
        border-radius: 20px;
        font-size: 0.82rem;
        font-weight: 500;
        background: #f1f5f9;
        color: #334155;
    }
    .ipbt-chip-continent { background: #fef3c7; color: #92400e; }
    .ipbt-chip-country   { background: #dbeafe; color: #1e40af; }
    .ipbt-chip-province  { background: #ede9fe; color: #6d28d9; }
    .ipbt-chip-city      { background: #fce7f3; color: #be185d; }
    .ipbt-chip-carrier   { background: #dcfce7; color: #15803d; }
    .ipbt-chip i { font-size: 0.75rem; opacity: 0.7; }

    .ipbt-detail-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
        margin-bottom: 12px;
    }
    .ipbt-detail-item {
        background: #f8fafc;
        border-radius: 8px;
        padding: 10px 12px;
        border: 1px solid #e2e8f0;
        min-width: 0;
    }
    .ipbt-detail-label {
        display: block;
        font-size: 0.7rem;
        color: #94a3b8;
        margin-bottom: 3px;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .ipbt-detail-value {
        font-size: 0.88rem;
        font-weight: 600;
        color: #1e293b;
        word-break: break-all;
    }

    .ipbt-query-time {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 0.78rem;
        color: #94a3b8;
        margin-bottom: 12px;
    }
    .ipbt-query-time i { font-size: 0.72rem; }

    .ipbt-actions {
        display: flex;
        gap: 8px;
    }
    .ipbt-action-btn {
        flex: 1;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 9px 12px;
        border-radius: 8px;
        border: none;
        font-size: 0.85rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .ipbt-action-primary {
        background: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 100%);
        color: #fff;
    }
    .ipbt-action-primary:hover {
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(14,165,233,0.35);
    }
    .ipbt-action-ghost {
        background: #f1f5f9;
        color: #475569;
    }
    .ipbt-action-ghost:hover {
        background: #e2e8f0;
        color: #1e293b;
    }