.select2-container--bootstrap .select2-selection {
    border: none;
    border-bottom: 1px solid #e6e6e6;
    box-shadow: none;
    border-radius: 0;
    background-color: #03a9f4;
    padding: 10px;
}

/* Choices.js styling for sanpham_danhmuc */
.sanpham-danhmuc-choices {
    margin-bottom: 1rem;
}

.sanpham-danhmuc-choices .choices__inner {
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    min-height: 38px;
    padding: 0.375rem 0.75rem;
}

.sanpham-danhmuc-choices.is-focused .choices__inner {
    border-color: #03a9f4;
    box-shadow: 0 0 0 0.2rem rgba(3, 169, 244, 0.25);
}

.sanpham-danhmuc-choices .choices__list--multiple .choices__item {
    background-color: #03a9f4;
    border: 1px solid #03a9f4;
    border-radius: 0.25rem;
    color: #fff;
    margin: 2px;
    padding: 0.25rem 0.5rem;
}

.sanpham-danhmuc-choices .choices__list--multiple .choices__item .choices__button {
    border-left: 1px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    margin-left: 0.5rem;
    padding-left: 0.5rem;
}

.sanpham-danhmuc-choices .choices__list--dropdown {
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.375rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    margin-top: 0.125rem;
}

.sanpham-danhmuc-choices .choices__list--dropdown .choices__item--selectable {
    padding: 0.5rem 0.75rem;
}

.sanpham-danhmuc-choices .choices__list--dropdown .choices__item--selectable.is-highlighted {
    background-color: #03a9f4;
    color: #fff;
}

.sanpham-danhmuc-choices .choices__input {
    background-color: transparent;
    border: none;
    margin: 0;
    padding: 0;
}

.sanpham-danhmuc-choices .choices__input:focus {
    outline: none;
}

.sanpham-danhmuc-choices .choices__placeholder {
    color: #6c757d;
    opacity: 1;
}