/**
 * Rivmedia Product Filter - Frontend Styles
 */

:root {
    --rivmedia-pf-primary: #2563eb;
    --rivmedia-pf-text: #1f2937;
    --rivmedia-pf-text-light: #6b7280;
    --rivmedia-pf-border: #e5e7eb;
    --rivmedia-pf-bg: #ffffff;
    --rivmedia-pf-bg-hover: #f9fafb;
    --rivmedia-pf-radius: 8px;
    --rivmedia-pf-radius-sm: 4px;
    --rivmedia-pf-transition: 0.2s ease;
    --rivmedia-pf-shadow: 0 1px 3px rgba(0,0,0,0.06);
    --rivmedia-pf-font: inherit;
    --rivmedia-pf-gap: 1.875rem; /* ~30px gap between filters */
}

.rivmedia-pf-wrapper { font-family: var(--rivmedia-pf-font); margin-bottom: 1.25rem; position: relative; container-type: inline-size; }

/* Isolation: prevent parent grid/flex layouts from splitting our form */
.rivmedia-pf-wrapper, .rivmedia-pf-wrapper * { box-sizing: border-box; }
.rivmedia-pf-wrapper .rivmedia-pf-form { display: block !important; width: 100% !important; clear: both; }
.rivmedia-pf-wrapper .rivmedia-pf-filter { display: block; }

/* If placed inside a CSS grid or flex parent, span full width and break out */
.rivmedia-pf-wrapper {
    grid-column: 1 / -1 !important;
    flex-basis: 100% !important;
    min-width: 0;
    width: 100% !important;
    display: block !important;
}

/* Elementor containment */
.elementor-widget-woocommerce-products .rivmedia-pf-wrapper,
.elementor-widget-wc-products .rivmedia-pf-wrapper,
.elementor-widget-loop-grid .rivmedia-pf-wrapper,
.elementor-widget-container .rivmedia-pf-wrapper,
.woocommerce .rivmedia-pf-wrapper,
ul.products .rivmedia-pf-wrapper { display: block !important; width: 100% !important; grid-column: 1 / -1 !important; }

/* Prevent WooCommerce product grid styles leaking into filter children */
.rivmedia-pf-wrapper .rivmedia-pf-filters-inner,
.rivmedia-pf-wrapper .rivmedia-pf-details,
.rivmedia-pf-wrapper .rivmedia-pf-options,
.rivmedia-pf-wrapper .rivmedia-pf-actions { grid-column: auto !important; }

/* Form */
.rivmedia-pf-form { background: var(--rivmedia-pf-bg); border: 1px solid var(--rivmedia-pf-border); border-radius: var(--rivmedia-pf-radius); padding: 0.75rem 0.875rem; box-shadow: var(--rivmedia-pf-shadow); contain: layout; }

/* =============================================
   VERTICAL LAYOUT — consistent gaps between ALL filter blocks
   ============================================= */
.rivmedia-pf-vertical .rivmedia-pf-form { border: none; padding: 0; box-shadow: none; background: transparent; }
.rivmedia-pf-vertical .rivmedia-pf-filters-inner { display: flex; flex-direction: column; gap: 0; }
.rivmedia-pf-vertical .rivmedia-pf-filter { width: 100%; max-width: 100%; }

/* Every filter block gets top padding except the first */
.rivmedia-pf-vertical .rivmedia-pf-filter + .rivmedia-pf-filter {
    padding-top: var(--rivmedia-pf-gap);
}

/* Category tree groups within the same filter block: tighter internal spacing */
.rivmedia-pf-vertical .rivmedia-pf-filter--category_tree .rivmedia-pf-details + .rivmedia-pf-details {
    padding-top: 0;
}

/* =============================================
   HORIZONTAL LAYOUT
   ============================================= */
.rivmedia-pf-horizontal .rivmedia-pf-filters-inner { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: flex-start; width: 100%; }
.rivmedia-pf-horizontal .rivmedia-pf-filter { flex: 1 1 120px; min-width: 120px; max-width: 280px; }
.rivmedia-pf-horizontal .rivmedia-pf-filter--price { flex: 1 1 160px; min-width: 140px; }
.rivmedia-pf-horizontal .rivmedia-pf-filter--category_tree { flex: 1 1 160px; min-width: 140px; }

/* Headers */
.rivmedia-pf-filter-header { display: flex; align-items: center; justify-content: space-between; cursor: pointer; padding: 0.375rem 0; user-select: none; }
.rivmedia-pf-filter-label { font-size: 0.8125rem; font-weight: 600; color: var(--rivmedia-pf-text); text-transform: uppercase; letter-spacing: 0.03em; }

/* Clickable header link (category group headers) */
.rivmedia-pf-header-link { text-decoration: none; color: var(--rivmedia-pf-text); transition: color var(--rivmedia-pf-transition); flex: 1; }
.rivmedia-pf-header-link:hover { color: var(--rivmedia-pf-primary); }
.rivmedia-pf-header-link--current { color: var(--rivmedia-pf-primary); }

/* Toggle button (chevron area) — larger, more visible */
.rivmedia-pf-toggle-btn { width: 28px; height: 28px; padding: 4px; margin: -4px 0; cursor: pointer; border-radius: var(--rivmedia-pf-radius-sm); transition: background var(--rivmedia-pf-transition), transform var(--rivmedia-pf-transition); color: var(--rivmedia-pf-text); flex-shrink: 0; background: var(--rivmedia-pf-bg-hover); border: 1px solid var(--rivmedia-pf-border); }
.rivmedia-pf-toggle-btn:hover { background: var(--rivmedia-pf-border); color: var(--rivmedia-pf-primary); border-color: var(--rivmedia-pf-primary); }

/* When header has a link, summary shouldn't act as full toggle */
.rivmedia-pf-filter-header--linked { cursor: default; }
.rivmedia-pf-filter-header--linked .rivmedia-pf-toggle-btn { cursor: pointer; }

/* Details / collapsible */
.rivmedia-pf-details { border-bottom: 1px solid var(--rivmedia-pf-border); }
.rivmedia-pf-details--leaf a { text-decoration: none; }
.rivmedia-pf-details--leaf .rivmedia-pf-option-count { font-size: 0.75rem; color: var(--rivmedia-pf-text-light); }
.rivmedia-pf-details summary { list-style: none; }
.rivmedia-pf-details summary::-webkit-details-marker { display: none; }
.rivmedia-pf-chevron { transition: transform var(--rivmedia-pf-transition); flex-shrink: 0; color: var(--rivmedia-pf-text); width: 18px; height: 18px; }
.rivmedia-pf-details[open] .rivmedia-pf-chevron { transform: rotate(180deg); }

/* Options list */
.rivmedia-pf-options { list-style: none; margin: 0 0 0.25rem; padding: 0; max-height: 220px; overflow-y: auto; scrollbar-width: thin; scrollbar-color: var(--rivmedia-pf-border) transparent; }
.rivmedia-pf-options::-webkit-scrollbar { width: 4px; }
.rivmedia-pf-options::-webkit-scrollbar-track { background: transparent; }
.rivmedia-pf-options::-webkit-scrollbar-thumb { background: var(--rivmedia-pf-border); border-radius: 4px; }
.rivmedia-pf-options.rivmedia-pf-no-scroll { max-height: none; overflow: visible; }

/* Category / Taxonomy links */
.rivmedia-pf-cat-nav { margin-bottom: 0.25rem; }
.rivmedia-pf-cat-link { display: flex; align-items: center; gap: 0.375rem; padding: 0.1875rem 0.375rem; font-size: 0.8125rem; color: var(--rivmedia-pf-text); text-decoration: none; border-radius: var(--rivmedia-pf-radius-sm); transition: all var(--rivmedia-pf-transition); line-height: 1.3; }
.rivmedia-pf-cat-link:hover { background: var(--rivmedia-pf-bg-hover); color: var(--rivmedia-pf-primary); }
.rivmedia-pf-cat-link--current { font-weight: 600; color: var(--rivmedia-pf-primary); }
.rivmedia-pf-cat-sub { list-style: none; margin: 0; padding: 0 0 0 0.875rem; border-left: 2px solid var(--rivmedia-pf-border); margin-left: 0.5rem; }
.rivmedia-pf-cat-link--sub { font-size: 0.8rem; padding-left: 0.25rem; }

/* Expandable child row: link + toggle side by side */
.rivmedia-pf-cat-expandable { display: flex; align-items: center; gap: 0; }
.rivmedia-pf-cat-expandable .rivmedia-pf-cat-link { flex: 1; }
.rivmedia-pf-sub-toggle { display: flex; align-items: center; justify-content: center; width: 22px; height: 22px; padding: 0; margin: 0; border: none; background: var(--rivmedia-pf-bg-hover); border-radius: var(--rivmedia-pf-radius-sm); cursor: pointer; color: var(--rivmedia-pf-text-light); flex-shrink: 0; transition: all var(--rivmedia-pf-transition); }
.rivmedia-pf-sub-toggle:hover { background: var(--rivmedia-pf-border); color: var(--rivmedia-pf-primary); }
.rivmedia-pf-sub-toggle svg { transition: transform var(--rivmedia-pf-transition); }
.rivmedia-pf-sub-toggle--open svg { transform: rotate(90deg); }
.rivmedia-pf-sub-toggle--open { color: var(--rivmedia-pf-primary); }

/* Checkbox / Radio */
.rivmedia-pf-option { margin: 0; padding: 0; }
.rivmedia-pf-checkbox-label { display: flex; align-items: center; gap: 0.375rem; padding: 0.125rem 0.25rem; cursor: pointer; border-radius: var(--rivmedia-pf-radius-sm); transition: background var(--rivmedia-pf-transition); font-size: 0.8125rem; color: var(--rivmedia-pf-text); line-height: 1.3; }
.rivmedia-pf-checkbox-label:hover { background: var(--rivmedia-pf-bg-hover); }
.rivmedia-pf-checkbox-label input[type="checkbox"], .rivmedia-pf-checkbox-label input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.rivmedia-pf-checkbox-custom { display: inline-flex; align-items: center; justify-content: center; width: 15px; height: 15px; min-width: 15px; border: 2px solid var(--rivmedia-pf-border); border-radius: 3px; background: var(--rivmedia-pf-bg); transition: all var(--rivmedia-pf-transition); }
input[type="radio"] + .rivmedia-pf-checkbox-custom { border-radius: 50%; }
.rivmedia-pf-checkbox-label input:checked + .rivmedia-pf-checkbox-custom { background: var(--rivmedia-pf-primary); border-color: var(--rivmedia-pf-primary); }
.rivmedia-pf-checkbox-label input:checked + .rivmedia-pf-checkbox-custom::after { content: ''; display: block; width: 4px; height: 7px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); margin-top: -1px; }
input[type="radio"]:checked + .rivmedia-pf-checkbox-custom::after { width: 5px; height: 5px; border: none; border-radius: 50%; background: #fff; transform: none; margin-top: 0; }
.rivmedia-pf-checkbox-label input:focus-visible + .rivmedia-pf-checkbox-custom { outline: 2px solid var(--rivmedia-pf-primary); outline-offset: 2px; }
.rivmedia-pf-option--active .rivmedia-pf-checkbox-label { font-weight: 600; }
.rivmedia-pf-option-text { flex: 1; }
.rivmedia-pf-option-count { font-size: 0.7rem; color: var(--rivmedia-pf-text-light); min-width: 1.25em; text-align: right; }

/* Select */
.rivmedia-pf-select { width: 100%; padding: 0.3125rem 2rem 0.3125rem 0.5rem; font-size: 0.8125rem; border: 1px solid var(--rivmedia-pf-border); border-radius: var(--rivmedia-pf-radius-sm); background: var(--rivmedia-pf-bg); color: var(--rivmedia-pf-text); cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.5rem center; transition: border-color var(--rivmedia-pf-transition); }
.rivmedia-pf-select:hover { border-color: var(--rivmedia-pf-primary); }
.rivmedia-pf-select:focus { outline: 2px solid var(--rivmedia-pf-primary); outline-offset: -1px; }

/* Price Slider */
.rivmedia-pf-price-slider { padding: 0 0 0.25rem; }
.rivmedia-pf-price-display { display: flex; align-items: center; gap: 0.25rem; font-size: 0.8125rem; font-weight: 600; color: var(--rivmedia-pf-text); margin-bottom: 0.125rem; }
.rivmedia-pf-price-sep { color: var(--rivmedia-pf-text-light); }
.rivmedia-pf-range-track { position: relative; height: 26px; display: flex; align-items: center; }
.rivmedia-pf-range-fill { position: absolute; height: 4px; background: var(--rivmedia-pf-primary); border-radius: 2px; top: 50%; transform: translateY(-50%); pointer-events: none; z-index: 1; }
.rivmedia-pf-range-track::before { content: ''; position: absolute; width: 100%; height: 4px; background: var(--rivmedia-pf-border); border-radius: 2px; top: 50%; transform: translateY(-50%); }
.rivmedia-pf-range-track input[type="range"] { position: absolute; width: 100%; height: 26px; background: transparent; pointer-events: none; appearance: none; -webkit-appearance: none; margin: 0; padding: 0; z-index: 2; }
.rivmedia-pf-range-track input[type="range"]::-webkit-slider-thumb { pointer-events: all; -webkit-appearance: none; width: 16px; height: 16px; background: var(--rivmedia-pf-bg); border: 2px solid var(--rivmedia-pf-primary); border-radius: 50%; cursor: pointer; box-shadow: var(--rivmedia-pf-shadow); }
.rivmedia-pf-range-track input[type="range"]::-moz-range-thumb { pointer-events: all; width: 16px; height: 16px; background: var(--rivmedia-pf-bg); border: 2px solid var(--rivmedia-pf-primary); border-radius: 50%; cursor: pointer; }

/* Actions */
.rivmedia-pf-actions { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.5rem; padding-top: 0.375rem; border-top: 1px solid var(--rivmedia-pf-border); }
.rivmedia-pf-actions:empty { display: none; margin: 0; padding: 0; border: none; }
.rivmedia-pf-clear-all { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.8125rem; color: var(--rivmedia-pf-text-light); text-decoration: none; padding: 0.1875rem 0.5rem; border-radius: var(--rivmedia-pf-radius-sm); transition: all var(--rivmedia-pf-transition); border: 1px solid transparent; }
.rivmedia-pf-clear-all:hover { color: #dc2626; background: #fef2f2; border-color: #fecaca; }

/* Loading */
.rivmedia-pf-wrapper.rivmedia-pf-loading .rivmedia-pf-loader { display: flex !important; }
.rivmedia-pf-loader { position: absolute; inset: 0; background: rgba(255,255,255,0.85); display: flex; align-items: center; justify-content: center; border-radius: var(--rivmedia-pf-radius); z-index: 10; }
.rivmedia-pf-spinner { width: 22px; height: 22px; border: 3px solid var(--rivmedia-pf-border); border-top-color: var(--rivmedia-pf-primary); border-radius: 50%; animation: rivmedia-pf-spin 0.7s linear infinite; }
@keyframes rivmedia-pf-spin { to { transform: rotate(360deg); } }
.rivmedia-pf-products-loading { position: relative; min-height: 200px; }
.rivmedia-pf-products-loading::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.7); z-index: 5; }
.rivmedia-pf-products-loading::before { content: ''; position: absolute; top: 50%; left: 50%; width: 28px; height: 28px; margin: -14px 0 0 -14px; border: 3px solid var(--rivmedia-pf-border); border-top-color: var(--rivmedia-pf-primary); border-radius: 50%; animation: rivmedia-pf-spin 0.7s linear infinite; z-index: 6; }

/* Mobile */
.rivmedia-pf-mobile-toggle { display: none; width: 100%; padding: 0.5rem 0.75rem; font-size: 0.8125rem; font-weight: 600; color: var(--rivmedia-pf-text); background: var(--rivmedia-pf-bg); border: 1px solid var(--rivmedia-pf-border); border-radius: var(--rivmedia-pf-radius); cursor: pointer; align-items: center; gap: 0.5rem; justify-content: center; transition: all var(--rivmedia-pf-transition); box-shadow: var(--rivmedia-pf-shadow); }
.rivmedia-pf-mobile-toggle:hover { border-color: var(--rivmedia-pf-primary); color: var(--rivmedia-pf-primary); }
.rivmedia-pf-active-badge { width: 8px; height: 8px; background: var(--rivmedia-pf-primary); border-radius: 50%; display: inline-block; }

@media (max-width: 768px) {
    .rivmedia-pf-mobile-toggle { display: flex; }
    .rivmedia-pf-form { display: none; margin-top: 0.5rem; }
    .rivmedia-pf-wrapper.rivmedia-pf-open .rivmedia-pf-form { display: block; }
    .rivmedia-pf-horizontal .rivmedia-pf-filters-inner { flex-direction: column; }
    .rivmedia-pf-horizontal .rivmedia-pf-filter { max-width: 100%; flex-basis: 100%; }
}

/* Auto-switch to vertical in narrow containers (e.g. sidebar, Elementor column) */
@container (max-width: 500px) {
    .rivmedia-pf-horizontal .rivmedia-pf-filters-inner { flex-direction: column; }
    .rivmedia-pf-horizontal .rivmedia-pf-filter { max-width: 100%; flex-basis: 100%; }
}
/* Fallback for browsers without container queries: media-based sidebar detection */
@media (max-width: 768px) {
    .rivmedia-pf-horizontal .rivmedia-pf-filters-inner { flex-direction: column; }
    .rivmedia-pf-horizontal .rivmedia-pf-filter { max-width: 100%; flex-basis: 100%; }
}

@media print { .rivmedia-pf-wrapper { display: none !important; } }