.course-page {
    margin-top: 60px;
}

/*// filter header*/
.filter-section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 120%;
    color: var(--color-text);
    margin-bottom: 20px;
}


.filter-bar {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}


.filter-bar__controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.filter-bar__btn {
    display: flex;
    align-items: center;
    padding: 7.2px 12px;
    border-radius: 8px;
    border: 1px solid #BABABA;
    background: #fff;
    cursor: pointer;
    gap: 4px;
    color: var(--color-text);
}

.filter-bar__icon {
    width: 18px;
}

.filter-bar__sort-icon {
}

.filter-bar__btn--active {
    border-color: #0066ff;
    color: #0066ff;
}

.filter-bar__btn--active svg path {
    fill: #005CF7 !important;
}


.filter-bar__link-clear {
    color: #FF424F;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    line-height: 19.6px;
    letter-spacing: -0.21px;
    padding: 7.2px 6px;
}

.total-course {
    display: flex;
    align-items: center;
    gap: 6px;
}

.total-course-text, .total-course-so {
    color: #5B6780;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.03px;
    line-height: 120%;
}

.custom-gap {
    --bs-gutter-x: 15px;
    --bs-gutter-y: 15px;
}


/*//siber filter*/
.course-sidebar {
    flex-shrink: 0;
    padding-right: 8px;
}

/* Box filter */
.course-filter {
}

/* Search */
.course-filter__search {
    margin-bottom: 12px;
}

.course-filter__input {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    outline: none;
}

.course-filter__input::placeholder {
    color: #9ca3af;
}

/* Group */
.course-filter__group {
    margin-bottom: 12px;
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    gap: 21px;
    margin-bottom: 28px;
}

.course-filter__title-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.course-filter__title {
    font-size: 14px;
    font-weight: 600;
    color: #111827;
    padding: 12px 0;
}

/* Item */
.course-filter__item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
    color: #374151;
}

.course-filter__item {
    font-size: 16px;
    font-weight: 400;
    letter-spacing: -0.03px;
    line-height: 150%;
    color: var(--color-text);
}

.course-filter__item input {
    width: 24px;
    height: 24px;
    accent-color: var(--color-text-active);
    cursor: pointer;
}

.course-filter__more-wrap,
.course-filter__thugon-wrap {
    display: flex;
    align-items: center;
    justify-content: left;
    gap: 4px;
    margin: 10px 0 0px;

}

/* More */
.course-filter__more, .course-filter__thugon {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-active);
    cursor: pointer;
}

/* Ẩn từ item thứ 6 trở đi */
.course-filter__group.is-collapsed .course-filter__item:nth-child(n + 7) {
    display: none;
}

/* Ẩn toàn bộ item */
.course-filter__group.is-closed .course-filter__item,
.course-filter__group.is-closed .course-filter__more-wrap,
.course-filter__group.is-closed .course-filter__thugon-wrap {
    display: none;
}

/* Trạng thái nút */
.course-filter__more-wrap {
    display: flex;
}

.course-filter__thugon-wrap {
    display: none;
}

.course-filter__group.is-expanded .course-filter__more-wrap {
    display: none;
}

.course-filter__group.is-expanded .course-filter__thugon-wrap {
    display: flex;
}

.course-filter__group.is-closed .course-filter__thugon-wrap {
    display: none;
}

/* Cursor */
.course-filter__title-wrap,
.course-filter__more,
.course-filter__thugon {
    cursor: pointer;
}

.open-filter-mobile {
    display: none;
    position: fixed;
    right: 3%;
    top: 55%;
}

.layout--3 {
    z-index: 1050;
}

/* Mobile: <768px */
@media screen and (max-width: 575px) {
    /* CSS cho mobile */
}

/* Tablet: 768px - 1023px */
@media screen and (min-width: 576px) and (max-width: 991px) {
    /* CSS cho tablet */
}

/* Tablet + Mobile chung */
@media screen and (max-width: 991px) {
    .course-page {
        margin-top: 20px;
    }
    .filter-section {
        margin-bottom: 30px;
    }
    .open-filter-mobile {
        display: block;
    }

    .filter-bar__controls {
        gap: 8px;
    }

    .filter-bar__btn {
        padding: 3px 10px;
    }

    .filter-bar__controls {
        flex-wrap: wrap;
    }

    .total-course {
        /*flex-direction: column;*/
        /*text-align: center;*/
    }

    /*--------*/
    .layout--3 {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        background: #fff;
        z-index: 9999999 !important;
        transition: 0.4s;
        padding: 20px;
        overflow-y: auto;
        box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    }

    .layout--3.show-filter {
        left: 0;
    }

    /* Lớp nền mờ khi mở filter */
    .filter-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040;
    }

    .filter-overlay.active {
        display: block;
    }


    .filter-bar {
        flex-direction: column;
        justify-content: flex-start;
        gap: 10px;
    }



    /*---------------------*/
}

/* Desktop: >= 1024px */
@media screen and (min-width: 992px) {
    /* CSS cho desktop */
}