/* =====================================================================
   InLaguna Shop Filters – Frontend Styles  v2.0.0
   Uses CSS custom properties injected from plugin settings.
   ===================================================================== */

/* ── Variables (defaults; overridden by inline style from PHP) ─────── */
:root {
    --isf-accent:       #1a6faf;
    --isf-accent-light: #1a6faf1a;
    --isf-radius:       6px;
    --isf-font:         inherit;
    --isf-sidebar-bg:   #ffffff;
    --isf-border:       #e2e8f0;
    --isf-text:         #374151;
    --isf-muted:        #6b7280;
    --isf-transition:   0.18s ease;
}

/* ── Sidebar wrapper ───────────────────────────────────────────────── */
.isf-sidebar {
    font-family: var(--isf-font);
    color:       var(--isf-text);
}

.isf-sidebar.is-sticky {
    position: sticky;
    top: 90px;
}

/* ── Active filter bar ─────────────────────────────────────────────── */
.isf-active-bar {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    background:      var(--isf-accent-light);
    border:          1px solid var(--isf-accent);
    border-radius:   var(--isf-radius);
    padding:         8px 12px;
    margin-bottom:   12px;
    font-size:       0.82rem;
}
.isf-active-label {
    font-weight: 600;
    color:       var(--isf-accent);
}
.isf-reset-link {
    color:           var(--isf-accent);
    text-decoration: none;
    font-weight:     500;
    transition:      opacity var(--isf-transition);
}
.isf-reset-link:hover { opacity: 0.75; }

/* ── Filter block (per taxonomy) ──────────────────────────────────── */
.isf-filter-block {
    border:        1px solid var(--isf-border);
    border-radius: var(--isf-radius);
    overflow:      hidden;
    margin-bottom: 10px;
    background:    var(--isf-sidebar-bg);
}

.isf-block-toggle {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    width:           100%;
    padding:         11px 14px;
    font-size:       0.9rem;
    font-weight:     600;
    color:           var(--isf-text);
    background:      transparent;
    border:          none;
    cursor:          pointer;
    letter-spacing:  0.01em;
    text-align:      left;
    transition:      background var(--isf-transition);
}
.isf-block-toggle:hover {
    background: #0EAAEF;
    color: #fff;
}
.isf-block-toggle:hover .isf-toggle-icon::before,
.isf-block-toggle:hover .isf-toggle-icon::after {
    background: #fff;
}

/* Chevron icon */
.isf-toggle-icon {
    display:    inline-block;
    width:      16px;
    height:     16px;
    flex-shrink: 0;
    position:   relative;
}
.isf-toggle-icon::before,
.isf-toggle-icon::after {
    content:    '';
    position:   absolute;
    top:        50%;
    width:      8px;
    height:     2px;
    background: var(--isf-muted);
    border-radius: 2px;
    transition: transform var(--isf-transition);
}
.isf-toggle-icon::before { left:  1px; transform: translateY(-50%) rotate(-40deg); }
.isf-toggle-icon::after  { right: 1px; transform: translateY(-50%) rotate(40deg);  }

.isf-block-toggle[aria-expanded="true"] .isf-toggle-icon::before {
    transform: translateY(-50%) rotate(40deg);
}
.isf-block-toggle[aria-expanded="true"] .isf-toggle-icon::after {
    transform: translateY(-50%) rotate(-40deg);
}

/* ── Term list ─────────────────────────────────────────────────────── */
.isf-term-list {
    list-style: none;
    margin:     0;
    padding:    4px 0 8px;
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--isf-border) transparent;
}
.isf-term-list.is-collapsed {
    display: none;
}

.isf-term-list li {
    margin: 0;
    padding: 0;
}

.isf-filter-link {
    display:         flex;
    align-items:     center;
    justify-content: space-between;
    padding:         7px 14px;
    font-size:       0.88rem;
    color:           var(--isf-text);
    text-decoration: none;
    transition:      background var(--isf-transition), color var(--isf-transition);
    border-left:     3px solid transparent;
    line-height:     1.4;
}
.isf-filter-link:hover {
    background:  var(--isf-accent-light);
    color:       var(--isf-accent);
    border-color: var(--isf-accent);
}
.isf-filter-link.is-active {
    background:   var(--isf-accent-light);
    color:        var(--isf-accent);
    font-weight:  600;
    border-color: var(--isf-accent);
}
.isf-count {
    font-size:  0.78rem;
    color:      var(--isf-muted);
    margin-left: 6px;
    flex-shrink: 0;
}
.isf-filter-link.is-active .isf-count { color: var(--isf-accent); }

/* ── Category groups ───────────────────────────────────────────────── */
.isf-groups-wrap { padding: 4px 0 8px; }
.isf-groups-wrap.is-collapsed { display: none; }

.isf-term-group {
    margin-bottom: 6px;
}
.isf-group-heading {
    display:     block;
    padding:     6px 14px 3px;
    font-size:   0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color:       var(--isf-muted);
}
.isf-group-link {
    color:           inherit;
    text-decoration: none;
    transition:      color var(--isf-transition);
}
.isf-group-link:hover { color: var(--isf-accent); }
.isf-group-link.is-active {
    color:       var(--isf-accent);
    font-weight: 800;
}

/* ── Products grid — force CSS Grid regardless of theme ────────────── */
#isf-products-wrap ul.products {
    display:               grid !important;
    grid-template-columns: repeat(3, 1fr);
    gap:                   22px 16px;
    margin:                0 !important;
    padding:               0 !important;
    list-style:            none !important;
    float:                 none !important;
}
/* Per-column overrides (WooCommerce adds columns-N class) */
#isf-products-wrap ul.products.columns-1 { grid-template-columns: 1fr; }
#isf-products-wrap ul.products.columns-2 { grid-template-columns: repeat(2, 1fr); }
#isf-products-wrap ul.products.columns-3 { grid-template-columns: repeat(3, 1fr); }
#isf-products-wrap ul.products.columns-4 { grid-template-columns: repeat(4, 1fr); }

#isf-products-wrap ul.products li.product {
    width:   auto !important;
    float:   none !important;
    margin:  0    !important;
    display: flex !important;
    flex-direction: column;
}

/* Product card inner elements */
#isf-products-wrap ul.products li.product .woocommerce-LoopProduct-link,
#isf-products-wrap ul.products li.product a.woocommerce-loop-product__link {
    display:        flex;
    flex-direction: column;
    flex:           1;
}
#isf-products-wrap ul.products li.product img {
    width:      100% !important;
    height:     200px !important;
    object-fit: contain !important;
    background: #f8f9fa;
    border-radius: 4px;
}
#isf-products-wrap ul.products li.product .woocommerce-loop-product__title {
    font-size:   0.9rem !important;
    line-height: 1.3 !important;
    margin:      10px 0 6px !important;
}
#isf-products-wrap ul.products li.product .price {
    font-size:   0.95rem !important;
    font-weight: 700;
    color:       var(--isf-accent) !important;
    margin-top:  auto;
}
#isf-products-wrap ul.products li.product .button,
#isf-products-wrap ul.products li.product .add_to_cart_button {
    width:         100% !important;
    text-align:    center !important;
    margin-top:    8px !important;
    border-radius: var(--isf-radius) !important;
    font-size:     0.82rem !important;
    padding:       8px 12px !important;
}

/* Responsive */
@media (max-width: 900px) {
    #isf-products-wrap ul.products,
    #isf-products-wrap ul.products.columns-3,
    #isf-products-wrap ul.products.columns-4 {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}
@media (max-width: 600px) {
    #isf-products-wrap ul.products,
    #isf-products-wrap ul.products.columns-2,
    #isf-products-wrap ul.products.columns-3,
    #isf-products-wrap ul.products.columns-4 {
        grid-template-columns: 1fr !important;
    }
}

/* ── Products wrapper ──────────────────────────────────────────────── */
#isf-products-wrap {
    position:   relative;
    min-height: 200px;
    transition: opacity 0.22s ease;
}
#isf-products-wrap.isf-loading {
    opacity:        0.45;
    pointer-events: none;
}
#isf-products-wrap.isf-loading::after {
    content:   '';
    position:  absolute;
    top:       50%;
    left:      50%;
    transform: translate(-50%, -50%);
    width:  36px;
    height: 36px;
    border: 3px solid var(--isf-border);
    border-top-color: var(--isf-accent);
    border-radius: 50%;
    animation: isf-spin 0.7s linear infinite;
    z-index: 10;
}

@keyframes isf-spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ── Result count ──────────────────────────────────────────────────── */
.isf-result-count {
    font-size:    0.85rem;
    color:        var(--isf-muted);
    margin-bottom: 16px;
}
.isf-result-count strong { color: var(--isf-text); }

/* ── No results ────────────────────────────────────────────────────── */
.isf-no-results {
    padding: 32px 20px;
    text-align: center;
    background: var(--isf-accent-light);
    border-radius: var(--isf-radius);
}

/* ── Pagination ────────────────────────────────────────────────────── */
.isf-pagination {
    margin-top: 24px;
    text-align: center;
}
.isf-pagination ul {
    display:     flex;
    justify-content: center;
    flex-wrap:   wrap;
    gap:         4px;
    list-style:  none;
    margin:      0;
    padding:     0;
}
.isf-page-btn {
    display:       inline-flex;
    align-items:   center;
    justify-content: center;
    min-width:     36px;
    height:        36px;
    padding:       0 10px;
    font-size:     0.88rem;
    font-weight:   500;
    color:         var(--isf-text);
    background:    #fff;
    border:        1px solid var(--isf-border);
    border-radius: 4px;
    text-decoration: none;
    transition:    all var(--isf-transition);
}
.isf-page-btn:hover {
    border-color: var(--isf-accent);
    color:        var(--isf-accent);
    background:   var(--isf-accent-light);
}
.isf-page-btn.current {
    background:   var(--isf-accent);
    border-color: var(--isf-accent);
    color:        #fff;
    cursor:       default;
}
.isf-page-btn.prev,
.isf-page-btn.next {
    font-size: 1.1rem;
    font-weight: 400;
}

/* ── Responsive ────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .isf-sidebar.is-sticky { position: static; }
    .isf-filter-block { margin-bottom: 6px; }
}