/**
 * Filter Block CSS
 * Styles cho bộ lọc checkbox
 */

/* === Container chính === */
.block_filter {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    padding: 0;
    margin-bottom: 20px;
}

/* === Header === */
.block_filter .filter-header {
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
    background: #f8f9fa;
    border-radius: 8px 8px 0 0;
}

.block_filter .filter-header .filter-title {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
}

.block_filter .filter-header .fa-filter {
    color: #2563eb;
    font-size: 16px;
}

/* === Filter Badge (số lượng filter đang active) === */
.block_filter .filter-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: #2563eb;
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
    margin-left: 5px;
}

/* === Clear Filter Button === */
.block_filter .btn-clear-filter {
    color: #dc3545;
    font-size: 13px;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.2s;
    border: 1px solid #dc3545;
    background: transparent;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.block_filter .btn-clear-filter:hover {
    background: #dc3545;
    color: #fff;
}

/* === Body === */
.block_filter .filter-body {
    padding: 10px 0;
}

/* === Filter Group === */
.block_filter .filter-group {
    border-bottom: 1px solid #f0f0f0;
}

.block_filter .filter-group:last-child {
    border-bottom: none;
}

.block_filter .filter-group-header {
    padding: 12px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: #333;
    transition: background 0.2s;
}

.block_filter .filter-group-header:hover {
    background: #f8f9fa;
}

.block_filter .filter-group-header .fa-chevron-down {
    transition: transform 0.3s;
    font-size: 12px;
    color: #999;
}

.block_filter .filter-group.collapsed .filter-group-header .fa-chevron-down {
    transform: rotate(-90deg);
}

.block_filter .filter-group.collapsed .filter-group-content {
    display: none;
}

/* === Filter Content === */
.block_filter .filter-group-content {
    padding: 0 20px 15px;
}

/* === Filter List === */
.block_filter .filter-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.block_filter .filter-item {
    margin-bottom: 2px;
}

.block_filter .filter-item.hidden-item {
    display: none;
}

.block_filter .filter-group.expanded .filter-item.hidden-item {
    display: block;
}

/* === Filter Link === */
.block_filter .filter-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    color: #555;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 14px;
}

.block_filter .filter-link:hover {
    background: #f0f7ff;
    color: #2563eb;
}

.block_filter .filter-item.active .filter-link {
    background: #fff;
    color: #555;
    font-weight: 500;
}

/* === Checkbox Style === */
.block_filter .filter-link input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #2563eb;
    cursor: pointer;
    pointer-events: none;
    flex-shrink: 0;
}

.block_filter .filter-name {
    flex: 1;
    line-height: 1.4;
}

/* === Sub List (Child Categories) === */
.block_filter .filter-sublist {
    list-style: none;
    margin: 5px 0 0 28px;
    padding: 0;
    border-left: 2px solid #e5e7eb;
}

.block_filter .filter-sublist .filter-item {
    margin-bottom: 0;
}

.block_filter .filter-sublist .filter-link {
    padding: 6px 10px;
    font-size: 13px;
}

/* === Show More Button === */
.block_filter .btn-show-more,
.block_filter .btn-show-less {
    display: inline-block;
    margin-top: 8px;
    padding: 6px 12px;
    font-size: 13px;
    color: #2563eb;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s;
    cursor: pointer;
}

.block_filter .btn-show-more:hover,
.block_filter .btn-show-less:hover {
    background: #f0f7ff;
    text-decoration: none;
}

.block_filter .btn-show-less {
    color: #6b7280;
}

.block_filter .filter-group.expanded .btn-show-more {
    display: none;
}

/* === Filter Count Badge === */
.block_filter .filter-count {
    font-size: 12px;
    color: #999;
    margin-left: auto;
}

/* === Responsive === */
@media (max-width: 768px) {
    .block_filter {
        margin: 0 -15px 15px;
        border-radius: 0;
    }
    
    .block_filter .filter-header {
        border-radius: 0;
    }
    
    .block_filter .filter-group-header,
    .block_filter .filter-group-content {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .block_filter .filter-link {
        padding: 10px 8px;
    }
}

/* === Animation === */
.block_filter .filter-group-content {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Active Filter Tags (optional) === */
.block_filter .active-filters {
    padding: 10px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 1px solid #eee;
}

.block_filter .active-filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: #fff;
    color: #222;
    border-radius: 20px;
    font-size: 12px;
}

.block_filter .active-filter-tag .remove {
    cursor: pointer;
    color: #dc3545;
}