.ttbm-block-preview {
    background: #f8f9fa;
    border: 1px dashed #adb5bd;
    padding: 20px;
    text-align: center;
    font-size: 14px;
    color: #495057;
    border-radius: 4px;
    margin: 10px 0;
}

.ttbm-block-preview::before {
    content: '📍';
    display: block;
    font-size: 24px;
    margin-bottom: 10px;
}

.wp-block[data-type="tour-booking-manager/travel-list"] .ttbm-block-preview::before {
    content: '📋';
}

.wp-block[data-type="tour-booking-manager/top-filter"] .ttbm-block-preview::before {
    content: '🔍';
}

.wp-block[data-type="tour-booking-manager/location-list"] .ttbm-block-preview::before {
    content: '🗺️';
}

.wp-block[data-type="tour-booking-manager/search-result"] .ttbm-block-preview::before {
    content: '🔎';
}

.wp-block[data-type="tour-booking-manager/hotel-list"] .ttbm-block-preview::before {
    content: '🏨';
}

.wp-block[data-type="tour-booking-manager/registration"] .ttbm-block-preview::before {
    content: '📝';
}

.wp-block[data-type="tour-booking-manager/related"] .ttbm-block-preview::before {
    content: '🔄';
}