/* ============================================================
   WAF filter.css v4 — Layout 25/75, product cards đẹp
   ============================================================ */
:root {
    --waf-accent:  #e8604c;
    --waf-dark:    #1a1a1a;
    --waf-border:  #e8e8e8;
    --waf-muted:   #999;
    --waf-soft:    #f6f6f6;
    --waf-radius:  10px;
    --waf-ease:    .17s ease;
}

/* ============================================================
   LAYOUT  .waf-layout = flex row
   sidebar 25%  |  main 75%
   ============================================================ */
.waf-layout {
    display: flex !important;
    align-items: flex-start;
    gap: 24px;
    width: 100%;
}

/* ============================================================
   SIDEBAR  25%
   ============================================================ */
.waf-sidebar {
    width: 25%;
    flex-shrink: 0;
    background: #fff;
    border: 1px solid var(--waf-border);
    border-radius: var(--waf-radius);
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #ddd transparent;
}
.waf-sidebar::-webkit-scrollbar { width: 4px; }
.waf-sidebar::-webkit-scrollbar-thumb { background: #ddd; border-radius: 4px; }

.waf-sidebar-inner { padding-bottom: 14px; }

.waf-sidebar-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 13px 14px 11px;
    border-bottom: 1px solid var(--waf-border);
    background: #fff; position: sticky; top: 0; z-index: 2;
}
.waf-sidebar-title {
    display: flex; align-items: center; gap: 6px; margin: 0;
    font-size: 11px; font-weight: 700; letter-spacing: .08em;
    text-transform: uppercase; color: var(--waf-dark);
}
.waf-header-actions { display: flex; align-items: center; gap: 8px; }
.waf-reset-btn {
    background: none; border: none; cursor: pointer; padding: 0;
    font-size: 11px; color: var(--waf-muted); text-decoration: underline;
}
.waf-reset-btn:hover { color: #e74c3c; }
.waf-close-btn {
    display: none; background: none; border: none; cursor: pointer;
    color: var(--waf-muted); padding: 3px; line-height: 0;
}

/* sections */
.waf-section { border-bottom: 1px solid var(--waf-border); }
.waf-section:last-child { border-bottom: none; }
.waf-section-toggle {
    display: flex; align-items: center; justify-content: space-between;
    width: 100%; padding: 11px 14px; background: none; border: none;
    cursor: pointer; font-size: 13px; font-weight: 600; color: var(--waf-dark);
    text-align: left;
}
.waf-section-toggle:hover { background: #fafafa; }
.waf-chevron { transition: transform var(--waf-ease); color: var(--waf-muted); }
.waf-collapsed .waf-chevron { transform: rotate(-90deg); }
.waf-section-body { padding: 2px 14px 13px; }

/* checkboxes */
.waf-check-label {
    display: flex; align-items: center; gap: 8px;
    padding: 4px 0; cursor: pointer; font-size: 13px; color: #333;
}
.waf-check-label:hover { color: var(--waf-dark); }
.waf-check-label input[type="checkbox"] { display: none; }
.waf-check-box {
    width: 16px; height: 16px; flex-shrink: 0;
    border: 1.5px solid #ccc; border-radius: 4px; background: #fff;
    position: relative; transition: all var(--waf-ease);
}
.waf-check-box::after {
    content:''; position: absolute;
    width: 8px; height: 5px; top: 3px; left: 2px;
    border-left: 2px solid #fff; border-bottom: 2px solid #fff;
    transform: rotate(-45deg) scale(0); transition: transform .12s ease;
}
.waf-check-label input:checked ~ .waf-check-box { background: var(--waf-dark); border-color: var(--waf-dark); }
.waf-check-label input:checked ~ .waf-check-box::after { transform: rotate(-45deg) scale(1); }
.waf-check-text { flex: 1; line-height: 1.3; }
.waf-check-count { font-size: 10px; color: var(--waf-muted); background: var(--waf-soft); padding: 1px 5px; border-radius: 20px; }
.waf-cat-list, .waf-price-list { list-style: none; margin: 0; padding: 0; }
.waf-cat-children { list-style: none; margin: 2px 0 4px 20px; padding: 0 0 0 10px; border-left: 2px solid var(--waf-border); }

/* color swatches */
.waf-swatch-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px 6px; }
.waf-swatch-label { display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; }
.waf-swatch-label input { display: none; }
.waf-color-swatch {
    width: 32px; height: 32px; border-radius: 50%;
    box-shadow: 0 0 0 1.5px rgba(0,0,0,.13);
    transition: transform var(--waf-ease), box-shadow var(--waf-ease);
}
.waf-color-swatch.waf-light { box-shadow: 0 0 0 1.5px #bbb; }
.waf-swatch-label:hover .waf-color-swatch { transform: scale(1.1); }
.waf-swatch-label input:checked ~ .waf-color-swatch { box-shadow: 0 0 0 2.5px #fff, 0 0 0 4.5px var(--waf-dark); transform: scale(1.06); }
.waf-swatch-name { font-size: 10px; color: var(--waf-muted); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 50px; }
.waf-swatch-label input:checked ~ .waf-swatch-name { color: var(--waf-dark); font-weight: 600; }

/* size buttons */
.waf-btn-grid { display: flex; flex-wrap: wrap; gap: 5px; }
.waf-btn-label { cursor: pointer; }
.waf-btn-label input { display: none; }
.waf-size-btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 38px; height: 32px; padding: 0 8px;
    border: 1.5px solid var(--waf-border); border-radius: 6px;
    font-size: 12px; font-weight: 500; color: #444; background: #fff;
    transition: all var(--waf-ease);
}
.waf-btn-label:hover .waf-size-btn { border-color: #888; color: var(--waf-dark); }
.waf-btn-label input:checked ~ .waf-size-btn { background: var(--waf-dark); border-color: var(--waf-dark); color: #fff; }

/* apply mobile */
.waf-apply-row { display: none; padding: 12px 14px 8px; }
.waf-apply-btn {
    width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 11px; background: var(--waf-dark); color: #fff;
    border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer;
}
.waf-apply-btn:hover { background: #333; }
.waf-found-badge { background: rgba(255,255,255,.18); border-radius: 20px; padding: 1px 8px; font-size: 11px; }

/* ============================================================
   MAIN 75%
   ============================================================ */
.waf-main {
    flex: 1;
    min-width: 0;
}

/* mobile toggle */
.waf-mobile-toggle {
    display: none; align-items: center; gap: 7px;
    padding: 8px 14px; background: #fff;
    border: 1.5px solid var(--waf-border); border-radius: 7px;
    font-size: 13px; font-weight: 600; color: var(--waf-dark);
    cursor: pointer; margin-bottom: 12px;
}
.waf-active-count {
    background: var(--waf-accent); color: #fff; border-radius: 50%;
    width: 17px; height: 17px; font-size: 10px;
    display: inline-flex; align-items: center; justify-content: center;
}

/* toolbar */
#waf-toolbar { margin-bottom: 14px; }
.waf-toolbar-row {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 8px; padding-bottom: 10px; border-bottom: 1px solid var(--waf-border);
}
.waf-result-count { font-size: 13px; color: var(--waf-muted); }
.waf-result-count strong { color: var(--waf-dark); }
.waf-sort-wrap { display: flex; align-items: center; gap: 8px; }
.waf-sort-select {
    padding: 6px 10px; border: 1.5px solid var(--waf-border); border-radius: 6px;
    font-size: 13px; color: var(--waf-dark); background: #fff; cursor: pointer;
}
.waf-sort-select:focus { outline: none; border-color: var(--waf-dark); }
.waf-active-filters { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 10px; }
.waf-filter-tag {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px; background: var(--waf-soft); border: 1px solid var(--waf-border);
    border-radius: 20px; font-size: 12px; color: var(--waf-dark); font-weight: 500;
}
.waf-tag-remove { background: none; border: none; cursor: pointer; color: var(--waf-muted); padding: 0; line-height: 0; }
.waf-tag-remove:hover { color: #e74c3c; }

/* spinner */
#waf-spinner { display: flex; align-items: center; justify-content: center; min-height: 120px; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); z-index: 10; }
.waf-spinner-ring { width: 36px; height: 36px; border: 3px solid #eee; border-top-color: var(--waf-dark); border-radius: 50%; animation: waf-spin .65s linear infinite; }
@keyframes waf-spin { to { transform: rotate(360deg); } }

/* loop wrap */
#waf-loop-wrap { position: relative; min-height: 60px; }
#waf-loop-wrap.waf-fading { opacity: 0; transition: opacity .15s ease; }

/* ============================================================
   PRODUCT CARDS  — override WC ul.products bên trong .waf-main
   ============================================================ */
.waf-main ul.products {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 16px !important;
    margin: 0 !important; padding: 0 !important;
    list-style: none !important;
    float: none !important; clear: none !important; width: 100% !important;
}

/* card */
.waf-main ul.products li.product {
    display: flex !important; flex-direction: column !important;
    background: #fff; border: 1px solid var(--waf-border);
    border-radius: var(--waf-radius); overflow: hidden;
    margin: 0 !important; padding: 0 !important;
    float: none !important; width: auto !important;
    transition: box-shadow .2s ease, transform .2s ease;
}
.waf-main ul.products li.product:hover { box-shadow: 0 6px 20px rgba(0,0,0,.08); transform: translateY(-3px); }

/* ảnh */
.waf-main ul.products li.product a img,
.waf-main ul.products li.product img {
    width: 100% !important; height: 200px !important;
    object-fit: cover !important; display: block !important;
    border-radius: 0 !important;
    transition: transform .3s ease !important;
}
.waf-main ul.products li.product:hover a img,
.waf-main ul.products li.product:hover img { transform: scale(1.04) !important; }

/* link wrapper */
.waf-main ul.products li.product .woocommerce-loop-product__link {
    flex: 1; display: flex !important; flex-direction: column; text-decoration: none; overflow: hidden;
}

/* tên sản phẩm — 1 dòng ellipsis */
.waf-main ul.products li.product .woocommerce-loop-product__title,
.waf-main ul.products li.product h2,
.waf-main ul.products li.product h3 {
    font-size: 13px !important; font-weight: 500 !important;
    color: var(--waf-dark) !important;
    white-space: nowrap !important; overflow: hidden !important; text-overflow: ellipsis !important;
    padding: 10px 12px 0 !important; margin: 0 !important; line-height: 1.4 !important;
    display: block !important;
}

/* giá */
.waf-main ul.products li.product .price {
    display: block !important; padding: 4px 12px 8px !important;
    font-size: 14px !important; font-weight: 700 !important;
    color: var(--waf-accent) !important; margin: 0 !important;
}
.waf-main ul.products li.product .price del { font-size: 11px !important; color: var(--waf-muted) !important; font-weight: 400 !important; margin-right: 3px; display: inline !important; }
.waf-main ul.products li.product .price ins { text-decoration: none !important; }

/* nút */
.waf-main ul.products li.product .button,
.waf-main ul.products li.product a.button {
    display: flex !important; align-items: center !important; justify-content: center !important;
    margin: 0 10px 10px !important; padding: 9px 10px !important;
    background: var(--waf-accent) !important; color: #fff !important;
    border: none !important; border-radius: 8px !important;
    font-size: 13px !important; font-weight: 600 !important;
    text-decoration: none !important; cursor: pointer !important;
    float: none !important; width: auto !important;
    transition: background var(--waf-ease) !important;
}
.waf-main ul.products li.product .button:hover,
.waf-main ul.products li.product a.button:hover { background: #cf4e3c !important; color: #fff !important; }

/* badge sale */
.waf-main ul.products li.product .onsale {
    top: 8px !important; left: 8px !important; right: auto !important;
    background: var(--waf-accent) !important; color: #fff !important;
    border-radius: 20px !important; font-size: 11px !important; font-weight: 700 !important;
    padding: 2px 8px !important; min-width: unset !important; min-height: unset !important; line-height: 1.6 !important;
}

/* no products */
.waf-main .woocommerce-info, .waf-main .woocommerce-no-products-found { text-align: center !important; padding: 48px 20px !important; }

/* pagination */
.waf-main .woocommerce-pagination, .waf-main nav.woocommerce-pagination { margin-top: 24px; text-align: center; }
.waf-main .woocommerce-pagination ul { display: inline-flex !important; list-style: none !important; margin: 0; padding: 0; gap: 4px; border: 0 !important;}
.waf-main .woocommerce-pagination ul li { display: inline !important; border: 0 !important;}
.waf-main .woocommerce-pagination ul li a,
.waf-main .woocommerce-pagination ul li span {
    display: inline-flex !important; align-items: center; justify-content: center;
    width: 36px; height: 36px; border: 1.5px solid var(--waf-border); border-radius: 6px;
    font-size: 13px; color: var(--waf-dark); background: #fff; text-decoration: none;
}
.waf-main .woocommerce-pagination ul li a:hover { border-color: var(--waf-dark); }
.waf-main .woocommerce-pagination ul li .current { background: var(--waf-dark) !important; border-color: var(--waf-dark) !important; color: #fff !important; }

/* waf error */
.waf-error { padding: 16px; background: #fff5f5; border: 1px solid #fdd; border-radius: var(--waf-radius); font-size: 13px; color: #c0392b; }

/* overlay */
.waf-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.44); z-index: 999; opacity: 0; transition: opacity .24s ease; pointer-events: none; }
.waf-overlay.waf-visible { opacity: 1; pointer-events: all; }
body.waf-no-scroll { overflow: hidden; }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* tablet: 2 col products */
@media (max-width: 1024px) {
    .waf-main ul.products { grid-template-columns: repeat(2, 1fr) !important; }
}

/* mobile ≤ 768px */
@media (max-width: 768px) {
    .waf-layout { flex-direction: column; gap: 0; }
    .waf-mobile-toggle { display: flex; }

    .waf-sidebar {
        position: fixed !important; left: 0; top: 0; bottom: 0;
        width: 80vw; max-width: 300px; z-index: 1000;
        border-radius: 0; max-height: 100vh; overflow-y: auto;
        transform: translateX(-110%);
        transition: transform .28s cubic-bezier(.4,0,.2,1);
        border: none; box-shadow: 4px 0 24px rgba(0,0,0,.14);
    }
    .waf-sidebar.waf-open { transform: translateX(0); }
    .waf-overlay { display: block; }
    .waf-close-btn { display: flex !important; }
    .waf-apply-row { display: block; }
    .waf-main { width: 100%; }

    /* 2 sản phẩm / row */
    .waf-main ul.products { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
    .waf-main ul.products li.product a img,
    .waf-main ul.products li.product img { height: 150px !important; }
    .waf-main ul.products li.product .woocommerce-loop-product__title,
    .waf-main ul.products li.product h2 { font-size: 12px !important; padding: 8px 8px 0 !important; }
    .waf-main ul.products li.product .price { padding: 3px 8px 6px !important; font-size: 12px !important; }
    .waf-main ul.products li.product .button { margin: 0 8px 8px !important; padding: 8px !important; font-size: 11px !important; }
    .waf-toolbar-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 400px) {
    .waf-main ul.products { gap: 8px !important; }
    .waf-main ul.products li.product a img,
    .waf-main ul.products li.product img { height: 130px !important; }
}

/* ============================================================
   SHORTCODE — .waf-loop-wrap (class, không phải ID)
   ============================================================ */
.waf-loop-wrap {
    position: relative;
    min-height: 60px;
}
.waf-loop-wrap.waf-fading {
    opacity: 0;
    transition: opacity .15s ease;
}
.waf-loop-wrap .waf-spinner {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    min-height: unset;
}

/* Shortcode — override sản phẩm bên trong .waf-sc */
.waf-sc .waf-main ul.products {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 16px !important;
    margin: 0 !important; padding: 0 !important;
    list-style: none !important;
    float: none !important; width: 100% !important;
}
.waf-sc .waf-main ul.products::before {
    display: none;
}
.waf-sc .waf-main ul.products li.product {
    display: flex !important; flex-direction: column !important;
    background: #fff; border: 1px solid var(--waf-border);
    border-radius: var(--waf-radius); overflow: hidden;
    margin: 0 !important; padding: 0 !important;
    float: none !important; width: auto !important;
    transition: box-shadow .2s ease, transform .2s ease;
}
.waf-sc .waf-main ul.products li.product:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,.08);
    transform: translateY(-3px);
}
.waf-sc .waf-main ul.products li.product a img,
.waf-sc .waf-main ul.products li.product img {
    width: 100% !important; height: 200px !important;
    object-fit: cover !important; display: block !important;
    border-radius: 0 !important;
}
.waf-sc .waf-main ul.products li.product .woocommerce-loop-product__link {
    flex: 1; display: flex !important; flex-direction: column; text-decoration: none; overflow: hidden;
}
.waf-sc .waf-main ul.products li.product .woocommerce-loop-product__title,
.waf-sc .waf-main ul.products li.product h2,
.waf-sc .waf-main ul.products li.product h3 {
    font-size: 13px !important; font-weight: 500 !important; color: var(--waf-dark) !important;
    white-space: nowrap !important; overflow: hidden !important; text-overflow: ellipsis !important;
    padding: 10px 12px 0 !important; margin: 0 !important; display: block !important;
}
.waf-sc .waf-main ul.products li.product .price {
    display: block !important; padding: 4px 12px 8px !important;
    font-size: 14px !important; font-weight: 700 !important;
    color: var(--waf-accent) !important; margin: 0 !important;
}
.waf-sc .waf-main ul.products li.product .button,
.waf-sc .waf-main ul.products li.product a.button {
    display: flex !important; align-items: center !important; justify-content: center !important;
    margin: 0 10px 10px !important; padding: 9px 10px !important;
    background: var(--waf-accent) !important; color: #fff !important;
    border: none !important; border-radius: 8px !important;
    font-size: 13px !important; font-weight: 600 !important;
    text-decoration: none !important; cursor: pointer !important; float: none !important;
}
.waf-sc .waf-main ul.products li.product .button:hover { background: #cf4e3c !important; }

/* no products */
.waf-no-products { text-align: center; padding: 40px 20px; color: var(--waf-muted); font-size: 14px; }

/* Responsive shortcode */
@media (max-width: 1024px) {
    .waf-sc .waf-main ul.products { grid-template-columns: repeat(2, 1fr) !important; }
}
@media (max-width: 768px) {
    .waf-sc .waf-main ul.products { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }
    .waf-sc .waf-main ul.products li.product a img,
    .waf-sc .waf-main ul.products li.product img { height: 150px !important; }
    .waf-sc .waf-main ul.products li.product .button { margin: 0 8px 8px !important; padding: 8px !important; font-size: 11px !important; }
}

/* ============================================================
   NÚT "XEM SẢN PHẨM" — override WC add to cart loop button
   ============================================================ */
.waf-main ul.products li.product .waf-btn-view,
.waf-main ul.products li.product .button.waf-btn-view {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    margin: 0 10px 10px !important;
    padding: 9px 10px !important;
    background: var(--waf-accent) !important;
    color: #fff !important;
    border: none !important;
    border-radius: 8px !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    cursor: pointer !important;
    float: none !important;
    width: auto !important;
    transition: background var(--waf-ease) !important;
}
.waf-main ul.products li.product .waf-btn-view:hover { background: #cf4e3c !important; color: #fff !important; }
.waf-main ul.products li.product .waf-btn-view svg { flex-shrink: 0; }

/* Shortcode cũng áp dụng */
.waf-sc .waf-main ul.products li.product .waf-btn-view { display: flex !important; align-items: center !important; justify-content: center !important; gap: 6px !important; margin: 0 10px 10px !important; padding: 9px 10px !important; background: var(--waf-accent) !important; color: #fff !important; border: none !important; border-radius: 8px !important; font-size: 13px !important; font-weight: 600 !important; text-decoration: none !important; cursor: pointer !important; float: none !important; }

/* ============================================================
   FIX BLANK CELL — đảm bảo ul.products clean
   ============================================================ */
/* Một số theme render .waf-main nội dung như li → reset */
.waf-main > ul.products { display: grid !important; }

/* waf-layout nằm bên trong .woocommerce của theme */
.woocommerce .waf-layout,
.woocommerce-page .waf-layout {
    display: flex !important;
    width: 100% !important;
    clear: both;
}
/* Xoá float từ theme trên container cha */
.woocommerce .waf-layout::before,
.woocommerce .waf-layout::after,
.woocommerce-page .waf-layout::before,
.woocommerce-page .waf-layout::after { display: none !important; content: none !important; }