/* Topic Page */
.topic-section {
    background: #FFFFFF;
    padding: 50px 0 70px;
}

.topic-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.topic-filter {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* Custom dropdown (CSS-only using details/summary) */
.dropdown {
    position: relative;
}

.dropdown[open] {
    z-index: 5;
}

.dropdown-toggle {
    list-style: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid #0E7C6B33;
    /* subtle border */
    border-radius: 12px;
    background: #fff;
    color: #1C1C1C;
    font-size: 14px;
    min-width: 220px;
}

.dropdown-toggle::-webkit-details-marker {
    display: none;
}

.dropdown .chevron {
    margin-left: auto;
    color: #1C6758;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid #E6F0EF;
    border-radius: 12px;
    padding: 8px 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    color: #1C1C1C;
    text-decoration: none;
    font-size: 14px;
}

.dropdown-item:hover {
    background: #F3FBFA;
}

.dropdown-item.is-active {
    color: #0E7C6B;
    font-weight: 700;
}

.dropdown-item.is-active::after {
    content: '✓';
    color: #0E7C6B;
    font-weight: 700;
}

/* Native select styled like the design */
.topic-select {
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
    padding: 12px 44px 12px 16px;
    border: 1px solid #0E7C6B66;
    /* subtle green border */
    border-radius: 12px;
    background-color: #FFFFFF;
    font-size: 14px;
    color: #1C1C1C;
    min-width: 230px;
    line-height: 1.2;
    /* custom chevron */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M7 10l5 5 5-5' fill='none' stroke='%231C6758' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 16px;
}

.topic-select:hover {
    border-color: #0E7C6B99;
}

.topic-select:focus {
    outline: none;
    border-color: #0E7C6B;
    box-shadow: 0 0 0 3px rgba(14, 124, 107, 0.15);
}

/* Hide default arrow in IE/Edge legacy */
select.topic-select::-ms-expand {
    display: none;
}

/* Attempt to style dropdown options (browser support varies) */
.topic-select option {
    font-size: 14px;
    color: #1C1C1C;
    padding: 10px 12px;
    /* many browsers ignore padding on option */
}

.topic-select option:checked {
    color: #0E7C6B;
    font-weight: 700;
    background: #F3FBFA linear-gradient(0deg, #F3FBFA, #F3FBFA);
    /* improve WebKit */
}

.topic-select option:hover {
    background: #F3FBFA;
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.topic-card {
    border-radius: 12px;
    padding: 16px;
    background: #FAFAFA;
    display: flex;
    flex-direction: column;
    height: 200px;
}

.topic-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.topic-meta {
    color: #828282;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 8px;
}

.topic-title {
    height: 60px;
    font-size: 20px;
    font-weight: 700;
    color: #1C1C1C;
    margin: 0 0 8px 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.topic-desc {
    height: 50px;
    font-size: 14px;
    color: #1C1C1C;
    margin: 0 0 12px 0;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.topic-source {
    height: 40px;
    font-size: 10px;
    color: #F28301;
    font-weight: 400;
    margin-top: auto;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: end;
    margin-top: 28px;
}

.pagination__list {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    padding: 0;
    margin: 0;
    list-style: none;
}

.pagination__item {
    min-height: 0;
}

.pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid #E6F0EF;
    border-radius: 8px;
    text-decoration: none;
    color: #1C1C1C;
    background: #fff;
    font-size: 14px;
}

.pagination__arrow {
    min-width: 75px;
    padding: 0;
}

.pagination__link:hover {
    border-color: #0E7C6B99;
}

.pagination__link.is-current {
    background: #0E7C6B;
    color: #fff;
    border-color: #0E7C6B;
}

.pagination__link.is-disabled {
    color: #9AA3A8;
    background: #F7F9F9;
    pointer-events: none;
}

.pagination__ellipsis {
    padding: 0 6px;
    color: #9AA3A8;
}

@media (max-width: 992px) {
    .topic-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .topic-card {
        height: 240px;
    }
}

@media (max-width: 600px) {
    .topic-header {
        /* flex-direction: column; */
        align-items: flex-start;
    }

    .topic-grid {
        grid-template-columns: 1fr;
    }

    .topic-card {
        height: auto;
    }

    .pagination__arrow {
        min-width: 57px;
    }
}

/* Topic Detail */
.topic-detail {
    background: #FFFFFF;
    padding: 50px 0 70px;
}

.topic-detail__title {
    font-size: 36px;
    line-height: 1.3;
    margin: 0 0 24px 0;
}

.topic-detail__grid {
    display: grid;
    grid-template-columns: 790px 370px;
    gap: 40px;
}

.topic-detail__main {
    min-width: 0;
}

.topic-detail__meta {
    color: #828282;
    font-size: 13px;
    margin-bottom: 10px;
}

.topic-detail__source {
    color: #F28301;
    font-size: 12px;
    margin-bottom: 20px;
}

.topic-detail__content {
    font-size: 16px;
    line-height: 1.9;
    color: #1C1C1C;
}

.topic-detail__aside {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.topic-recent {
    display: block;
    text-decoration: none;
    color: inherit;
    background: #FAFAFA;
    border-radius: 12px;
    padding: 16px;
}

.topic-recent__date {
    color: #828282;
    font-size: 12px;
}

.topic-recent__title {
    font-size: 16px;
    font-weight: 700;
    margin: 4px 0 6px 0;
    line-height: 1.5;
}

.topic-recent__subtitle {
    font-size: 14px;
    color: #1C1C1C;
    line-height: 1.6;
    margin: 0 0 8px 0;
}

.topic-recent__source {
    color: #F28301;
    font-size: 11px;
}

@media (max-width: 1200px) {
    .topic-detail__grid {
        grid-template-columns: 1fr;
    }
}