/* ==========================================================================
   SIDEBAR FILTER GRID / CATEGORY FILTER & CARDS GRID - YẾN SÀO YẾN LAN
   ========================================================================== */

.sidebar-filter-grid {
    padding: 40px 0 80px;
    background-color: var(--color-bg-main, #FFF5E8);
}

/* Chỉ áp dụng màu nền trắng duy nhất cho Trang Bài Viết (/page-blog.php) */
.site-baiviet-archive,
.site-baiviet-archive .sidebar-filter-grid {
    background-color: #ffffff !important;
}

/* --- BỐ CỤC CHÍNH --- */
.sidebar-filter-grid__container {
    display: flex;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    color: var(--text-body, #5C5752);
    padding: 0 20px;
    box-sizing: border-box;
}

.sidebar-filter-grid__container--no-sidebar {
    display: block;
}

.sidebar-filter-grid__sidebar {
    width: 250px;
    flex-shrink: 0;
}

.sidebar-filter-grid__main-content {
    flex-grow: 1;
    min-width: 0;
}

.sidebar-filter-grid__container--no-sidebar .sidebar-filter-grid__main-content {
    width: 100%;
}

/* LƯỚI BÀI VIẾT */
.sidebar-filter-grid__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

.sidebar-filter-grid__grid--4cols {
    grid-template-columns: repeat(4, 1fr) !important;
}

@media (max-width: 991px) {
    .sidebar-filter-grid__grid--4cols {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px;
    }
}

@media (max-width: 576px) {
    .sidebar-filter-grid__grid--4cols {
        grid-template-columns: repeat(1, 1fr) !important;
    }
}

/* BỘ LỌC CHUNG */
.sidebar-filter-grid__sidebar h2 {
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-accent-2, #8A5038);
    margin: 0 0 20px 0;
    font-family: var(--font-secondary, 'Be Vietnam Pro', sans-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-heading, #2F2B29);
}

.sidebar-filter-grid__scroll {
    padding: 0;
}

.sidebar-filter-grid__section {
    margin-bottom: 25px;
}

.sidebar-filter-grid__section h3 {
    margin: 0 0 15px 0;
    font-family: var(--font-secondary, 'Be Vietnam Pro', sans-serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--text-heading, #2F2B29);
}

.sidebar-filter-grid__list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-filter-grid__item {
    margin-bottom: 12px;
}

.sidebar-filter-grid__item:last-child {
    margin-bottom: 0;
}

.sidebar-filter-grid__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-filter-grid__row a {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: var(--transition-base, color 0.3s ease);
    text-decoration: none;
    color: var(--text-body, #5C5752);
    font-family: var(--font-primary, 'Parastoo', serif);
    font-size: 16px;
    width: 100%;
    box-shadow: none !important;
}

/* Ô Checkbox */
.sidebar-filter-grid__checkbox {
    width: 14px;
    height: 14px;
    border: 1px solid var(--color-accent-2, #8A5038);
    border-radius: 2px;
    margin-right: 10px;
    display: inline-block;
    flex-shrink: 0;
    transition: all 0.2s ease;
    background-color: #ffffff;
}

/* TRẠNG THÁI ACTIVE VÀ HOVER */
.sidebar-filter-grid__item--active > .sidebar-filter-grid__row a,
.sidebar-filter-grid__item.active > .sidebar-filter-grid__row a,
.sidebar-filter-grid__item:hover > .sidebar-filter-grid__row a {
    color: var(--color-accent-2, #8A5038) !important;
    font-weight: 600;
}

.sidebar-filter-grid__item--active > .sidebar-filter-grid__row a .sidebar-filter-grid__checkbox,
.sidebar-filter-grid__item.active > .sidebar-filter-grid__row a .sidebar-filter-grid__checkbox,
.sidebar-filter-grid__item:hover > .sidebar-filter-grid__row a .sidebar-filter-grid__checkbox,
.sidebar-filter-grid__item--expanded > .sidebar-filter-grid__row a .sidebar-filter-grid__checkbox,
.sidebar-filter-grid__item.is-expanded > .sidebar-filter-grid__row a .sidebar-filter-grid__checkbox {
    border-color: var(--color-accent-2, #8A5038) !important;
    background-color: var(--color-accent-2, #8A5038) !important;
}

/* Toggle (+/-) */
.sidebar-filter-grid__row > span {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    color: var(--text-heading, #2F2B29);
    cursor: pointer;
    flex-shrink: 0;
    user-select: none;
}

.sidebar-filter-grid__row > span:hover,
.sidebar-filter-grid__item--expanded .sidebar-filter-grid__row > span,
.sidebar-filter-grid__item.is-expanded .sidebar-filter-grid__row > span {
    color: var(--color-accent-2, #8A5038);
}

/* SUBCATEGORY PANEL */
.sidebar-filter-grid__subcat-panel {
    display: none;
    margin: 8px 0 0 0;
    padding: 10px 14px;
    background-color: rgba(138, 80, 56, 0.05);
    border-radius: 6px;
}

.sidebar-filter-grid__subcat-panel--open,
.sidebar-filter-grid__subcat-panel.is-open {
    display: block;
}

.sidebar-filter-grid__subcat-panel ul {
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.sidebar-filter-grid__subcat-panel li {
    list-style: none !important;
    margin-bottom: 10px;
}

.sidebar-filter-grid__subcat-panel li:last-child {
    margin-bottom: 0;
}

.sidebar-filter-grid__subcat-panel a {
    display: flex;
    align-items: center;
    color: var(--text-body, #5C5752) !important;
    text-decoration: none !important;
    transition: var(--transition-base, color 0.3s ease);
    font-size: 14px;
}

.sidebar-filter-grid__subcat-panel a:hover,
.sidebar-filter-grid__subcat-panel li.active a {
    color: var(--color-accent-2, #8A5038) !important;
}

/* LƯỚI BÀI VIẾT */
.sidebar-filter-grid__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}

/* PHÂN TRANG */
.sidebar-filter-grid__pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
    grid-column: 1 / -1;
    width: 100%;
}

.sidebar-filter-grid__pagination a,
.sidebar-filter-grid__pagination span {
    border: 1px solid var(--color-accent-2, #8A5038);
    padding: 6px 14px;
    cursor: pointer;
    text-decoration: none;
    color: var(--color-accent-2, #8A5038);
    font-family: var(--font-secondary, 'Be Vietnam Pro', sans-serif);
    font-size: 14px;
    font-weight: 500;
    display: inline-block;
    border-radius: 3px;
    transition: var(--transition-base, all 0.3s ease);
}

.sidebar-filter-grid__pagination a[data-active="true"],
.sidebar-filter-grid__pagination a.active {
    background-color: var(--color-accent-2, #8A5038);
    color: #ffffff;
    border-color: var(--color-accent-2, #8A5038);
}

.sidebar-filter-grid__pagination a:hover {
    background-color: var(--color-accent-2, #8A5038);
    color: #ffffff;
}

.sidebar-filter-grid__ajax-wrap {
    transition: opacity 0.3s ease;
    min-height: 400px;
}

.sidebar-filter-grid__ajax-wrap--loading,
.sidebar-filter-grid__ajax-wrap.is-loading {
    opacity: 0.4;
    pointer-events: none;
}