/**
 * @package     Oui.Blocks
 * @subpackage  com_blocks
 *
 * Advanced Filter Styles
 * @copyright   Copyright (C) 2026 Oui.onl. All rights reserved.
 * @license     GNU General Public License version 2 or later
 */

/* Wrapper */
.advancedfilter-wrapper {
    position: relative;
}

/* Loading indicator */
.advancedfilter-loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1050;
}

.advancedfilter-loading[hidden] {
    display: none;
}

.advancedfilter-results-wrapper.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Filters */
.advancedfilter-filters {
    background: var(--bs-light, #f8f9fa);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

.advancedfilter-filter {
    margin-bottom: 1rem;
}

.advancedfilter-filter:last-of-type {
    margin-bottom: 0;
}

.advancedfilter-filter .form-label {
    margin-bottom: 0.5rem;
    color: var(--bs-dark, #212529);
}

/* Checkboxes and Radios */
.advancedfilter-checkboxes,
.advancedfilter-radios {
    max-height: 200px;
    overflow-y: auto;
    padding-right: 0.5rem;
}

.advancedfilter-checkboxes .form-check,
.advancedfilter-radios .form-check {
    margin-bottom: 0.25rem;
}

/* Range Slider */
.advancedfilter-range {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.advancedfilter-range input[type="range"] {
    flex: 1;
}

.advancedfilter-range output {
    min-width: 3rem;
    text-align: center;
    font-weight: 600;
}

/* Actions */
.advancedfilter-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid var(--bs-border-color, #dee2e6);
}

/* Layout: Sidebar */
.advancedfilter-layout-sidebar .advancedfilter-sidebar {
    position: sticky;
    top: 1rem;
    align-self: flex-start;
}

.advancedfilter-layout-sidebar .advancedfilter-sidebar .advancedfilter-filters {
    background: transparent;
    padding: 0;
}

/* Layout: Horizontal */
.advancedfilter-layout-horizontal .advancedfilter-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.advancedfilter-layout-horizontal .advancedfilter-filter {
    flex: 1 1 200px;
    margin-bottom: 0;
}

.advancedfilter-layout-horizontal .advancedfilter-actions {
    flex: 0 0 auto;
    border-top: none;
    padding-top: 0;
    align-self: flex-end;
}

/* Results */
.advancedfilter-results-header {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--bs-border-color, #dee2e6);
}

.advancedfilter-results-count .badge {
    font-size: 0.875rem;
    padding: 0.5em 1em;
}

/* Article Cards */
.advancedfilter-article {
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.advancedfilter-article:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.advancedfilter-article .article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.advancedfilter-article .card-title a {
    color: var(--bs-dark, #212529);
    text-decoration: none;
}

.advancedfilter-article .card-title a:hover {
    color: var(--bs-primary, #0d6efd);
}

.advancedfilter-article .card-text {
    color: var(--bs-secondary, #6c757d);
}

/* Pagination */
.advancedfilter-pagination {
    display: flex;
    justify-content: center;
}

.advancedfilter-pagination .pagination {
    margin: 0;
}

/* Responsive */
@media (max-width: 767.98px) {
    .advancedfilter-layout-sidebar .advancedfilter-sidebar {
        position: static;
        margin-bottom: 1.5rem;
    }

    .advancedfilter-layout-horizontal .advancedfilter-filter {
        flex: 1 1 100%;
    }

    .advancedfilter-actions {
        flex-direction: column;
    }

    .advancedfilter-actions .btn {
        width: 100%;
    }

    .advancedfilter-article .article-image {
        height: 150px;
    }
}

/* Dark mode support */
/* Colours come from the site template (its own light or dark scheme), not from the OS setting. */

/* Animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (prefers-reduced-motion: no-preference) {
    .advancedfilter-article {
        animation: fadeIn 0.3s ease;
    }
}

/* Collapsible filter (filter option "collapse"): the legend holds the toggle button. */
.advancedfilter-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    font: inherit;
    text-align: start;
    cursor: pointer;
}

.advancedfilter-toggle-icon {
    width: .5em;
    height: .5em;
    margin-inline-start: .5em;
    border-inline-end: 2px solid currentColor;
    border-block-end: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform .15s;
}

.advancedfilter-toggle[aria-expanded="false"] .advancedfilter-toggle-icon {
    transform: rotate(-45deg);
}

.advancedfilter-body[hidden] {
    display: none;
}

/* Category tree (filter option "tree"): headings and nested checkable categories. */
.advancedfilter-tree {
    margin: 0;
    padding: 0;
}

.advancedfilter-tree .advancedfilter-tree {
    padding-inline-start: 1.25rem;
}

.advancedfilter-tree-title {
    display: block;
    font-weight: 600;
}

.advancedfilter-tree-item {
    padding-inline-start: 0;
}

.advancedfilter-tree-item > .form-check-input {
    margin-inline-start: 0;
    margin-inline-end: .35rem;
    float: none;
}

.advancedfilter-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .35rem .5rem;
    margin-bottom: 1rem;
}

.advancedfilter-chip-group {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .25rem;
}

.advancedfilter-chip-title {
    font-weight: 600;
}

.advancedfilter-chip {
    display: inline-block;
    padding: .15rem .6rem;
    border: 1px solid currentColor;
    border-radius: 1rem;
    text-decoration: none;
}

.advancedfilter-chips-join {
    opacity: .7;
}