.auto-expand {
    width: 100%;
    min-height: 250px;
    max-height: 500px;
    padding: 12px;
    font-family: inherit;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 8px;
    resize: none;
    overflow-y: hidden;
    box-sizing: border-box;
    transition: height 0.2s ease;
}

.auto-expand.scrollable {
    overflow-y: auto;
}