.course-catalogue label.grade-checkbox,
.course-catalogue label.subject-checkbox,
.course-catalogue label.category-checkbox {
    display: block;
    margin-bottom: 15px;
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-left: 35px;
}

.course-catalogue label.grade-checkbox input,
.course-catalogue label.subject-checkbox input,
.course-catalogue label.category-checkbox input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 0;
    height: 0;
}

.course-catalogue label.grade-checkbox::before,
.course-catalogue label.subject-checkbox::before,
.course-catalogue label.category-checkbox::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-image: url('assets/unselected.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transition: background-image 0.2s ease;
}

.course-catalogue label.grade-checkbox:has(input:checked)::before,
.course-catalogue label.subject-checkbox:has(input:checked)::before,
.course-catalogue label.category-checkbox:has(input:checked)::before {
    background-image: url('assets/selected.svg');
}

.course-catalogue label.grade-checkbox span,
.course-catalogue label.subject-checkbox span,
.course-catalogue label.category-checkbox span {
    display: inline-block;
}
.course-catalogue .clear-filters {
    display: block;
    margin-bottom: 45px;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-navy);
}
.course-catalogue .course-list-item p:last-of-type {
    margin-bottom: 0px;
}
.course-catalogue .course-list-item p.h3style.navy {
    color: var(--text-navy);
}
.course-catalogue .filter-options h4 {
    margin-top: 45px;
}
.course-catalogue .filter-options h4:first-of-type {
    margin-top: 0px;
}
.course-catalogue .course-list-item:last-of-type {
    margin-bottom: 0px;
}
.course-catalogue .course-list-item button.button.tag {
    cursor: auto;
    border: 1px solid var(--mid-grey)!important;
    background-color: var(--white)!important;
    margin-right: 10px;
}
.course-catalogue .course-list-item p strong {
    display: block;
    margin-top: 10px;
    font-weight: 600;
}
@media(max-width: 991.98px){
    .course-catalogue .filter-options h4 {
        margin-top: 30px;
    }
}
@media(max-width: 767.98px) {
    .course-catalogue .clear-filters {
        margin-bottom: 20px;
    }
}

/* Filter toggle button for mobile */
.course-catalogue .filter-toggle {
    display: none;
    width: 100%;
    padding: 10px 20px;
    background-color: var(--off-white);
    border: 1px solid var(--off-white);
    border-radius: 4px;
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    justify-content: space-between;
    align-items: center;
    color: var(--text-navy);
}

.course-catalogue .filter-toggle span {
    display: inline;
}

.course-catalogue .filter-toggle .toggle-icon {
    float: right;
    font-size: 18px;
    font-weight: bold;
}

/* Mobile view - hide filters by default */
@media(max-width: 575.98px) {
    .course-catalogue .filter-toggle {
        display: flex !important;
    }

    .course-catalogue .filter-options {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }

    .course-catalogue .filter-options.active {
        max-height: 2000px;
        transition: max-height 0.3s ease-in;
        margin-top: 20px;
    }
}

/* Infinite scroll loading state */
.course-catalogue .filter-tiles.loading {
    opacity: 0.6;
    pointer-events: none;
}