.ttb-list-splitter-wrapper {
    background: #f3f4f6;
    border-radius: 16px;
    padding: 24px;
    margin: 20px auto;
    max-width: 800px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    font-family: Arial, sans-serif;
}

.ttb-list-splitter-textarea {
    width: 100%;
    min-height: 200px;
    padding: 12px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 8px;
    resize: vertical;
    margin-bottom: 12px;
}

.ttb-list-splitter-button {
    width: 100%;
    padding: 12px;
    background: #111827;
    color: white;
    font-weight: bold;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    margin-bottom: 20px;
}

.ttb-list-split {
    background: #fff;
    padding: 16px;
    border: 2px solid #ccc;
    border-radius: 12px;
    margin-bottom: 20px;
    position: relative;
}

.ttb-list-split h3 {
    margin-top: 0;
    margin-bottom: 8px;
}

.ttb-list-split textarea {
    width: 100%;
    height: 120px;
    resize: vertical;
    border-radius: 6px;
    padding: 10px;
    font-size: 14px;
    border: 1px solid #aaa;
    margin-bottom: 10px;
}

.ttb-copy-btn {
    background-color: #10b981;
    color: white;
    padding: 8px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: inline-block;
}