/* Start explorePage */
.explore-page {
    position: relative;
}

.explore-page .container {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    margin-top: 20px;
}

.explore-page .container .slide-filter {
    width: 16%;
}

.explore-page .container .viewer-filter {
    width: 80%;
    min-height: 1000px;
    position: relative;
}

.explore-page .container .slide-filter h4 {
    font-size: 1.2rem;
    padding-bottom: 10px;
    border-bottom: 1px solid #00000053;
    margin: 5px 0;
}

.explore-page .container .slide-filter .list-btn {
    position: relative;
    width: 100%;
}

.slide-filter .list-btn .category-active {
    background-color: #f4e6eb !important;
}

.explore-page .container .slide-filter .list-btn .btn-filter {
    display: flex;
    width: 100%;
    padding: 15px 10px;
    font-family: 'main-font';
    font-weight: 600;
    background-color: transparent;
    border: 0;
    transition: var(--main-transition);
    color: var(--text-strong);
    margin-block: 5px;
    cursor: pointer;
    text-align: start;
    border-radius: 20px;
    font-size: 16px;
}

.explore-page .container .slide-filter .list-btn .btn-filter:hover {
    background-color: var(--main-color-alt);
    color: #FFF;
}

.explore-page .container .viewer-filter .items-filter {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    margin-bottom: 10px;
    min-height: 42px;
}

.explore-page .container .viewer-filter .items-filter .item-filter {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px 8px 14px;
    border: 1px solid rgba(219, 9, 77, 0.22);
    background: #fff7fa;
    color: var(--main-color-alt);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 999px;
    line-height: 1.2;
    transition: var(--main-transition);
    box-shadow: 0 2px 8px rgba(219, 9, 77, 0.08);
}

.explore-page .container .viewer-filter .items-filter .item-filter:hover {
    border-color: rgba(219, 9, 77, 0.38);
    box-shadow: 0 4px 14px rgba(219, 9, 77, 0.12);
}

.explore-page .container .viewer-filter .items-filter .item-filter-label {
    white-space: nowrap;
}

.explore-page .items-filter .item-filter .remove-item {
    position: relative;
    width: 24px;
    height: 24px;
    border: 0;
    border-radius: 50%;
    background: rgba(219, 9, 77, 0.12);
    cursor: pointer;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--main-transition);
}

.explore-page .items-filter .item-filter .remove-item:hover {
    background: var(--main-color-alt);
}

.explore-page .items-filter .item-filter .remove-item span {
    position: absolute;
    width: 10px;
    height: 2px;
    background-color: var(--main-color-alt);
    border-radius: 1px;
    transition: var(--main-transition);
}

.explore-page .items-filter .item-filter .remove-item:hover span {
    background-color: #fff;
}

.explore-page .items-filter .item-filter .remove-item span:nth-child(1) {
    transform: rotate(45deg);
}

.explore-page .items-filter .item-filter .remove-item span:nth-child(2) {
    transform: rotate(-45deg);
}

.explore-page .container .viewer-filter .courses {
    width: 100%;
    background-color: transparent;
    margin: 0;
}

/* Desktop wide layout */
@media (min-width: 1281px) {
    .explore-page .container {
        width: 1529px;
        padding-right: 12%;
    }
}

/* Tablet & mobile — stacked layout */
@media (max-width: 991px) {
    .explore-page .container .slide-filter,
    .explore-page .container .viewer-filter {
        width: 100%;
    }

    .explore-page .container {
        margin-top: 12px;
        gap: 0;
    }

    .explore-page .container .viewer-filter {
        min-height: auto;
    }

    .explore-page .container .slide-filter {
        margin-bottom: 0.75rem;
    }

    /* Category filters — horizontal scroll chips */
    .explore-page .container .slide-filter h4 {
        font-size: 0.95rem;
        padding-bottom: 6px;
        margin-bottom: 0.5rem;
        border-bottom: none;
    }

    .explore-page .container .slide-filter .list-btn {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 0.5rem;
        padding: 2px 2px 8px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        overscroll-behavior-x: contain;
    }

    .explore-page .container .slide-filter .list-btn::-webkit-scrollbar {
        display: none;
    }

    .explore-page .container .slide-filter .list-btn .btn-filter {
        width: auto;
        flex: 0 0 auto;
        white-space: nowrap;
        padding: 0.55rem 1rem;
        margin-block: 0;
        font-size: 0.8125rem;
        border-radius: 999px;
        border: 1px solid rgba(0, 0, 0, 0.08);
        background-color: var(--surface-color);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    }

    .explore-page .container .slide-filter .list-btn .btn-filter:hover {
        color: #fff;
    }

    .slide-filter .list-btn .category-active {
        border-color: rgba(219, 9, 77, 0.35) !important;
        box-shadow: 0 2px 8px rgba(219, 9, 77, 0.12);
    }

    .explore-page .container .viewer-filter .courses {
        width: 100%;
    }

    .explore-page .container .viewer-filter .items-filter {
        margin-top: 0;
        gap: 8px;
    }
}

@media (max-width: 679px) {
    .explore-page {
        overflow-x: clip;
    }

    .explore-page .container {
        padding-left: 12px;
        padding-right: 12px;
    }
}

@media (max-width: 479px) {
    .explore-page .container .slide-filter .list-btn .btn-filter {
        padding: 0.5rem 0.85rem;
        font-size: 0.75rem;
    }

    .explore-page .container .viewer-filter .items-filter .item-filter {
        font-size: 0.8rem;
        padding: 6px 10px 6px 12px;
    }
}

/* End explorePage */

/* loading section */
.section-loading {
    display:none;
    position: absolute;
    width: 100%;
    height: 100%;
    padding: 100px;
    background-color: var(--surface-elevated);
    z-index: 111111;
}

.loading {
    position: relative;
}

.loading::before {
    content: '';
    display: block;
    position: absolute;
    top: calc(50% - 1.8em);
    left: calc(50% - 1.8em);
    width: 3.6em;
    height: 3.6em;
    border: 0.2em solid #ddd;
    border-color: var(--main-color) transparent transparent var(--main-color);
    border-radius: 50%;
    -webkit-animation: loading 1s infinite 0.11s;
    animation: loading 1s infinite 0.11s;
}

.loading::after {
    content: '';
    display: block;
    position: absolute;
    top: calc(50% - 1.2em);
    left: calc(50% - 1.2em);
    width: 2.4em;
    height: 2.4em;
    border: 0.2em solid #ddd;
    border-color: #d98aa6 transparent transparent #d98aa6;
    border-radius: 50%;
    -webkit-animation: loading 1s infinite 0.33s;
    animation: loading 1s infinite 0.33s;
}

@-webkit-keyframes loading {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes loading {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}