/* ═══════════════════════════════════════ */
/* Sidebar wrapper                         */
/* ═══════════════════════════════════════ */
.collection-filter-block {
    background: #132d4f;
    border-radius: 10px;
    border: 1px solid #1e3a5f;
    padding: 16px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.15);
}

/* ═══════════════════════════════════════ */
/* Collapse block (Kategorie header)       */
/* ═══════════════════════════════════════ */
.collection-collapse-block {
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 12px;
    margin-bottom: 12px;
}
.collection-collapse-block:last-child {
    border-bottom: none;
    margin-bottom: 0;
}
.collapse-block-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #e8edf2;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 0;
    margin: 0;
    user-select: none;
    min-width: 0;
}
.collapse-block-title-text {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}
.collapse-block-title > i,
.collapse-block-title-text > i {
    flex-shrink: 0;
}
.collapse-block-title::after {
    content: '\EA4E'; /* ri-arrow-up-s-line */
    font-family: 'remixicon';
    font-size: 1rem;
    line-height: 1;
    transition: transform 0.25s ease;
    color: #8fa4be;
    flex-shrink: 0;
    margin-left: auto;
    padding-left: 4px;
}
.collection-collapse-block:not(.open) .collapse-block-title::after {
    transform: rotate(180deg);
}
.collection-collapse-block:not(.open) .collection-collapse-block-content {
    display: none;
}
.collection-collapse-block.open .collection-collapse-block-content {
    display: block;
}

/* ═══════════════════════════════════════ */
/* Category tree sidebar                   */
/* ═══════════════════════════════════════ */
.cat-tree-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.cat-tree-sub {
    list-style: none;
    padding: 0 0 0 16px;
    margin: 0;
    display: none;
}
.cat-tree-sub.show {
    display: block;
}
.cat-tree-link-wrap {
    display: flex;
    align-items: center;
    padding: 5px 0;
}
.cat-tree-toggle {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #8fa4be;
    transition: transform 0.2s;
    flex-shrink: 0;
    font-size: 1.1rem;
}
.cat-tree-toggle.open {
    transform: rotate(90deg);
}
.cat-tree-toggle:hover {
    color: #e8edf2;
}
.cat-tree-link {
    color: #c8d6e5;
    text-decoration: none;
    font-size: 0.88rem;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.15s;
}
.cat-tree-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.06);
}
.cat-tree-link.current {
    color: #fff;
    background: #0d6efd;
    font-weight: 600;
}
.cat-tree-count {
    font-size: 0.72rem;
    color: #8fa4be;
    background: rgba(255,255,255,0.1);
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 6px;
    flex-shrink: 0;
}
.cat-tree-link.current .cat-tree-count {
    color: #fff;
    background: rgba(255,255,255,0.25);
}
.cat-tree-item.active > .cat-tree-link-wrap > .cat-tree-link {
    color: #fff;
    font-weight: 600;
}

/* ═══════════════════════════════════════ */
/* Filter values (category page only)      */
/* ═══════════════════════════════════════ */
.filter-values-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.filter-values-list li {
    padding: 3px 0;
}
.filter-values-list .form-check {
    margin-bottom: 0;
    padding-left: 1.8em;
}
.filter-values-list .form-check-input {
    width: 1.1em;
    height: 1.1em;
    margin-top: 0.2em;
    border: 2px solid #5a7a9b;
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.15s;
    background-color: rgba(255,255,255,0.05);
}
.filter-values-list .form-check-input:checked {
    background-color: #0d6efd;
    border-color: #0d6efd;
}
.filter-values-list .form-check-label {
    cursor: pointer;
    font-size: 0.88rem;
    color: #c8d6e5;
    display: flex;
    align-items: center;
    gap: 4px;
}
.filter-count {
    color: #8fa4be;
    font-size: 0.8em;
}
.filter-disabled {
    opacity: 0.45;
    pointer-events: none;
}
.filter-disabled .form-check-label {
    color: #5a7a9b;
    text-decoration: line-through;
}

/* Aktywne filtry badges */
.filter-active-badge {
    font-size: 0.8rem;
    padding: 5px 10px;
    border-radius: 16px;
    transition: all 0.15s;
}
.filter-active-badge:hover {
    background-color: #dc3545 !important;
    transform: scale(1.05);
}

/* Subcategory list */
.subcategory-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.subcategory-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: #c8d6e5;
    text-decoration: none;
    transition: all 0.2s ease;
    font-size: 0.9rem;
}
.subcategory-item:hover {
    background: rgba(13,110,253,0.15);
    border-color: rgba(13,110,253,0.4);
    color: #fff;
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(13,110,253,0.2);
}
.subcategory-item.active {
    background: #0d6efd;
    border-color: #0d6efd;
    color: #fff;
    font-weight: 600;
}
.subcategory-item.active .subcategory-count {
    background: rgba(255,255,255,0.25);
    color: #fff;
}
.subcategory-item.active .subcategory-icon {
    color: #fff;
}
.subcategory-icon {
    font-size: 1.1rem;
    margin-right: 8px;
    color: #8fa4be;
    flex-shrink: 0;
    transition: color 0.2s;
}
.subcategory-item:hover .subcategory-icon {
    color: #fff;
}
.subcategory-name {
    flex: 1;
    line-height: 1.3;
}
.subcategory-count {
    background: rgba(255,255,255,0.12);
    color: #8fa4be;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    min-width: 28px;
    text-align: center;
    flex-shrink: 0;
    margin-left: 8px;
    transition: all 0.2s;
}
.subcategory-item:hover .subcategory-count {
    background: #0d6efd;
    color: #fff;
}