.patternBox {
    min-height: 100px;
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    transition: border-color 0.2s ease-in-out;
    outline: none;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.patternBox:focus {
    border-color: #2196f3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.patternBox.placeholderOfTextareaWithPattern {
    color: #999;
}

.patternBox .tag {
    display: inline-block;
    padding: 2px 8px;
    margin: 2px 4px;
    background-color: #e3f2fd;
    border: 1px solid #90caf9;
    border-radius: 16px;
    color: #1976d2;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.patternBox .tag:hover {
    background-color: #bbdefb;
    border-color: #64b5f6;
}

.patternBox .tag::before {
    content: "×";
    margin-right: 4px;
    font-weight: bold;
    opacity: 0.7;
}

.patternBox .tag:hover::before {
    opacity: 1;
}