.ciit-course-switcher {
    margin: 0 12px 18px;
    border-bottom: 1px solid #e8edf5;
    padding-bottom: 18px;
}

.ciit-course-switcher summary {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3px 12px;
    padding: 6px 4px 10px;
    cursor: pointer;
    list-style: none;
}

.ciit-course-switcher summary::-webkit-details-marker {
    display: none;
}

.ciit-course-switcher summary > span {
    grid-column: 1 / -1;
    color: #8a94a6;
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .13em;
}

.ciit-course-switcher summary strong {
    min-width: 0;
    overflow: hidden;
    color: #10213f;
    font-size: .98rem;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ciit-course-switcher summary > i {
    align-self: center;
    color: #64748b;
    font-size: .78rem;
    transition: transform .18s ease;
}

.ciit-course-switcher[open] summary > i {
    transform: rotate(180deg);
}

.ciit-course-switcher-menu {
    display: grid;
    gap: 4px;
    max-height: 220px;
    margin-top: 4px;
    overflow-y: auto;
    padding-right: 2px;
}

.ciit-course-switcher-menu a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    min-height: 38px;
    padding: 8px 10px;
    border-radius: 9px;
    color: #53627a;
    font-size: .82rem;
    font-weight: 650;
    text-decoration: none;
}

.ciit-course-switcher-menu a:hover {
    background: #f2f6fc;
    color: #2563eb;
}

.ciit-course-switcher-menu a.active {
    background: #edf4ff;
    color: #155eef;
}

.ciit-course-switcher-menu a span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ciit-course-switcher-menu a i {
    flex: 0 0 auto;
    font-size: .85rem;
}

@media (prefers-reduced-motion: reduce) {
    .ciit-course-switcher summary > i {
        transition: none;
    }
}