/* ==========================================================================
   templates/blocks/slider-4/style.css
   Version: V1.3 (Cleaned invisible characters)
   ========================================================================== */

/* ===== Wrapper ============================================================ */
.pf-s4 {
    width: var(--pf-container-w, 100%);
    margin: 0 auto var(--pf-bottom-space, 36px);
    padding: var(--pf-pad, 0);
    border-style: var(--pf-b-style, solid);
    border-width: var(--pf-b-width, 0);
    border-color: var(--pf-b-color, transparent);
    border-radius: var(--pf-b-radius, 12px);
    box-shadow: var(--pf-shadow, none);
    background-color: var(--pf-bg, transparent);
    container-type: inline-size;
}

.pf-s4 a {
    text-decoration: none;
    color: inherit;
}

/* ===== Header ============================================================ */
.pf-s4 .pf-s4-head {
    display: flex;
    align-items: center;
    justify-content: var(--pf-head-align, flex-start);
    background: var(--pf-head-bg, transparent);
    color: var(--pf-head-color, inherit);
    padding: var(--pf-head-pad, 0);
    margin: var(--pf-head-m, 0 0 16px 0);
}

.pf-s4 .pf-s4-head .pf-title-wrap {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.pf-s4 .pf-s4-head .pf-title {
    margin: 0;
    line-height: 1.25;
    font-size: var(--pf-head-fs, 1.5rem);
    font-weight: var(--pf-head-fw, 700);
    font-style: var(--pf-head-fstyle, normal);
    text-transform: var(--pf-head-tt, none);
}

.pf-s4 .pf-s4-head[data-line="1"][data-line-pos="bottom"] .pf-title-wrap::after,
.pf-s4 .pf-s4-head[data-line="1"][data-line-pos="top"] .pf-title-wrap::before {
    content: "";
    display: block;
    position: relative;
    width: var(--pf-head-line-len, 40%);
    height: var(--pf-head-line-thickness, 3px);
    background: var(--pf-head-line-color, currentColor);
    border-radius: 2px;
}

.pf-s4 .pf-s4-head[data-line="1"][data-line-pos="bottom"] .pf-title-wrap::after {
    margin-top: var(--pf-head-line-offset, 6px);
}

.pf-s4 .pf-s4-head[data-line="1"][data-line-pos="top"] .pf-title-wrap::before {
    margin-bottom: var(--pf-head-line-offset, 6px);
}

/* ===== Grid tổng (2 hàng) =============================================== */
.pf-s4 .pf-s4-grid {
    display: grid;
    grid-template-rows: auto auto;
    gap: var(--pf-gap, 20px);
}

.pf-s4 .pf-pcard {
    border: 0 !important;
    border-radius: 0 !important;
    background: transparent;
    position: relative;
}

.pf-s4 .pf-body-inner,
.pf-s4 .pf-body {
    width: 100%;
}

/* ==========================================================================
   TOP ROW (Hàng 1) – hero full width
   ========================================================================== */
.pf-s4 .pf-s4-top {
    position: relative;
    border-radius: var(--pf-b-radius, 12px);
    overflow: hidden;
}

.pf-s4 .pf-s4-top::before {
    content: "";
    display: block;
    padding-top: var(--pf-top-ratio, 56.25%);
}

.pf-s4 .pf-s4-top > * {
    position: absolute;
    inset: 0;
}

.pf-s4 .pf-s4-top .pf-pcard {
    height: 100%;
}

.pf-s4 .pf-s4-top .pf-thumb {
    position: relative;
    height: 100%;
    display: block;
    border-radius: var(--pf-thumb-radius, 10px);
    overflow: hidden;
}

.pf-s4 .pf-s4-top .pf-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: var(--pf-thumb-fit, cover);
    border-radius: var(--pf-thumb-radius, 10px);
}

.pf-s4 .pf-s4-top .pf-body {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 16px;
    color: #fff;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .78) 100%);
    border-radius: 0 0 var(--pf-thumb-radius, 10px) var(--pf-thumb-radius, 10px);
}

.pf-s4 .pf-s4-top .pf-title,
.pf-s4 .pf-s4-top .pf-title a {
    color: var(--pf-title-color, #fff);
    background: var(--pf-title-bg, transparent);
}

.pf-s4 .pf-s4-top .pf-title {
    margin: var(--pf-title-space, 0 0 10px 0);
    padding: var(--pf-title-pad, 0);
    border-radius: var(--pf-title-br, 0);
    border-width: var(--pf-title-bw, 0);
    border-style: var(--pf-title-bs, solid);
    border-color: var(--pf-title-bc, transparent);
    text-align: var(--pf-title-align, left);
    line-height: var(--pf-title-lh, 1.25);
    font-size: var(--pf-title-fs, 28px);
    font-weight: var(--pf-title-fw, 800);
    text-transform: var(--pf-title-tt, none);
    text-shadow: 0 1px 2px rgba(0, 0, 0, .55);
}

.pf-s4 .pf-s4-top .pf-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--pf-meta-gap, 8px);
    justify-content: var(--pf-meta-justify, flex-start);
    margin: var(--pf-meta-space, 0);
    padding: var(--pf-meta-pad, 0);
    font-size: var(--pf-meta-fs, 13px);
    font-weight: var(--pf-meta-fw, 400);
    color: var(--pf-meta-color, #e5e7eb);
}

/* ===== SLIDER RUNTIME =================================== */
.pf-s4 .pf-s4-top-slider {
    position: absolute;
    inset: 0;
}
.pf-s4 .pf-sld-viewport {
    position: absolute;
    inset: 0;
    overflow: hidden;
}
.pf-s4 .pf-sld-track {
    display: flex;
    height: 100%;
    will-change: transform;
}
.pf-s4 .pf-sld-item {
    box-sizing: border-box;
    height: 100%;
    flex-shrink: 0;
}
.pf-s4 .pf-sld-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: rgba(0, 0, 0, .45);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pf-s4 .pf-sld-prev { left: 10px; }
.pf-s4 .pf-sld-next { right: 10px; }
.pf-s4 .pf-sld-dots {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    display: flex;
    gap: 8px;
    justify-content: center;
    z-index: 5;
}
.pf-s4 .pf-sld-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 0;
    padding: 0;
    background: #cbd5e1;
    opacity: .7;
    cursor: pointer;
}
.pf-s4 .pf-sld-dot.is-active {
    opacity: 1;
    background: #fff;
}

/* ==========================================================================
   BOTTOM ROW (Hàng 2) – 3 cột
   ========================================================================== */
.pf-s4 .pf-s4-bottom-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--pf-bottom-gap, 16px);
}

.pf-s4 .pf-s4-bottom-grid .pf-pcard {
    position: relative;
    overflow: hidden;
    border-radius: var(--pf-thumb-radius, 8px);
}
.pf-s4 .pf-s4-bottom-grid .pf-thumb {
    position: relative;
    display: block;
    border-radius: var(--pf-thumb-radius, 8px);
    overflow: hidden;
}
.pf-s4 .pf-s4-bottom-grid .pf-thumb::before {
    content: "";
    display: block;
    /* Dùng padding-top để chốt cứng tỷ lệ ảnh (vd: 16:9 là 56.25%) */
    padding-top: var(--pf-bottom-ratio-pct, 56.25%); 
}
.pf-s4 .pf-s4-bottom-grid .pf-thumb > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: var(--pf-thumb-fit, cover);
}
.pf-s4 .pf-s4-bottom-grid .pf-body {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    padding: 10px 12px;
    color: #fff;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, .82) 100%);
}
.pf-s4 .pf-s4-bottom-grid .pf-title,
.pf-s4 .pf-s4-bottom-grid .pf-title a {
    color: #fff;
    background: var(--pf-title-bg, transparent);
}
.pf-s4 .pf-s4-bottom-grid .pf-title {
    margin: var(--pf-title-space, 0);
    padding: var(--pf-title-pad, 0);
    border-radius: var(--pf-title-br, 0);
    border-width: var(--pf-title-bw, 0);
    border-style: var(--pf-title-bs, solid);
    border-color: var(--pf-title-bc, transparent);
    text-align: var(--pf-title-align, left);
    line-height: var(--pf-title-lh, 1.35);
    font-size: var(--pf-title-fs, 18px);
    font-weight: var(--pf-title-fw, 700);
    text-transform: var(--pf-title-tt, none);
    text-shadow: 0 1px 2px rgba(0, 0, 0, .55);
}
.pf-s4 .pf-s4-bottom-grid .pf-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--pf-meta-gap, 10px);
    justify-content: var(--pf-meta-justify, flex-start);
    margin: var(--pf-meta-space, 0);
    padding: var(--pf-meta-pad, 0);
    font-size: var(--pf-meta-fs, 13px);
    font-weight: var(--pf-meta-fw, 400);
    color: var(--pf-meta-color, #e5e7eb);
}

/* ==========================================================================
   Category Badge
   ========================================================================== */
.pf-s4 .pf-badge,
.pf-s4 .pf-badge a {
    color: var(--pf-badge-text, var(--pf-cat-color, #fff));
    text-decoration: none !important;
}
.pf-s4 .pf-badge {
    background-color: var(--pf-badge-bg, var(--pf-cat-bg, #059669));
    display: var(--pf-cat-display, inline-block);
    margin: var(--pf-badge-spacing, var(--pf-cat-spacing, 0 6px 6px 0));
    padding: var(--pf-badge-padding, var(--pf-cat-padding, 4px 10px));
    border-style: solid;
    border-width: var(--pf-badge-bw, var(--pf-cat-bw, 0));
    border-radius: var(--pf-badge-br, var(--pf-cat-br, 8px));
    border-color: var(--pf-badge-bc, var(--pf-cat-bc, transparent));
    font-size: var(--pf-badge-fs, var(--pf-cat-fs, 13px));
    font-weight: var(--pf-badge-fw, var(--pf-cat-fw, 600));
    text-transform: var(--pf-badge-tt, var(--pf-cat-tt, none));
    line-height: var(--pf-cat-lh, 1);
}
.pf-s4 .pf-thumb > .pf-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 3;
}
.pf-s4 [data-catalign="right"] .pf-thumb > .pf-badge { left: auto; right: 12px; transform: none; }
.pf-s4 [data-catalign="center"] .pf-thumb > .pf-badge { left: 50%; right: auto; transform: translateX(-50%); }

/* ==========================================================================
   Title & Meta
   ========================================================================== */
.pf-s4 .pf-pcard .pf-title,
.pf-s4 .pf-pcard .pf-title a {
    color: var(--pf-title-color, inherit);
    background: var(--pf-title-bg, transparent);
}
.pf-s4 .pf-pcard .pf-meta .pf-meta-item {
    display: inline-flex;
    align-items: center;
    gap: .4em;
    line-height: 1;
}

/* ==========================================================================
   Feature toggles
   ========================================================================== */
.pf-s4 [data-thumb="0"] .pf-thumb,
.pf-s4 [data-cat="0"] [data-meta="category"],
.pf-s4 [data-meta="0"] .pf-meta,
.pf-s4 [data-author="0"] [data-meta="author"],
.pf-s4 [data-date="0"] [data-meta="date"] {
    display: none !important;
}

/* SVG icon sizing & look */
.pf-s4 .pf-meta-icon{
  width: 1em;
  height: 1em;
  vertical-align: -0.125em; /* căn baseline đẹp hơn */
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}


/* ==========================================================================
   Responsive bằng Container Queries
   ========================================================================== */
@container (max-width: 1024px) {
    .pf-s4 .pf-s4-bottom-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ==========================================================================
   Responsive (Vuốt ngang trên Mobile bằng Scroll Snap - Bản Nhỏ Gọn)
   ========================================================================== */
@media (max-width: 1024px) {
    .pf-s4 .pf-s4-bottom-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    body .pf-s4 .pf-s4-bottom-grid {
        display: flex !important;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px; 
        scrollbar-width: none; 
        -ms-overflow-style: none;
    }
    
    body .pf-s4 .pf-s4-bottom-grid::-webkit-scrollbar {
        display: none;
    }

    body .pf-s4 .pf-s4-bottom-grid > * {
        /* Thu nhỏ thẻ bài viết còn 65% trên Mobile */
        flex: 0 0 65% !important;
        max-width: 65% !important;
        scroll-snap-align: start;
    }

    /* --- Tinh chỉnh thu nhỏ nội dung chữ trên Mobile --- */
    body .pf-s4 .pf-s4-bottom-grid .pf-body { padding: 8px !important; }
    body .pf-s4 .pf-s4-bottom-grid .pf-title { font-size: 14px !important; line-height: 1.35 !important; }
    body .pf-s4 .pf-s4-bottom-grid .pf-meta { font-size: 11px !important; gap: 6px !important; }
    body .pf-s4 .pf-s4-bottom-grid .pf-badge { font-size: 10px !important; padding: 3px 8px !important; }
}