.exam-subject-cascade {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
}
.exam-subject-cascade > div { min-width: 0; }
.exam-subject-cascade .subject-level {
    display: block;
    margin: 0 0 8px;
    color: #71827c;
    font-size: 12px;
    font-weight: 400;
    line-height: 20px;
}
.exam-subject-cascade .bootstrap-select { width: 100% !important; }
.exam-subject-cascade .bootstrap-select > .dropdown-menu {
    box-sizing: border-box;
    margin-top: 8px !important;
    padding: 8px !important;
}
.exam-subject-cascade .bootstrap-select .bs-searchbox {
    padding: 2px 2px 10px;
}
.exam-subject-cascade .bootstrap-select .bs-searchbox .form-control {
    width: 100%;
    height: 36px;
    margin: 0;
    padding: 7px 10px;
}
.exam-subject-cascade .bootstrap-select .dropdown-menu.inner {
    margin: 0 !important;
    padding: 0 !important;
    border: 0;
    box-shadow: none;
}
.exam-subject-cascade .bootstrap-select .dropdown-menu.inner > li > a {
    min-height: 38px;
    margin: 2px 0;
    padding: 8px 12px;
    line-height: 22px;
}
@media (max-width: 575px) {
    .exam-subject-cascade { grid-template-columns: minmax(0, 1fr); gap: 14px; }
}