/* ====== NEN TRANG — ghi de #main_content{background:#eaeffa} toan cuc (style.css).
   #main_content THAT chi mo 1 lan duy nhat o template.php (dung chung toan site) —
   KHONG duoc mo lai id nay trong view con (se bi trung ID). Dung :has() de nham
   vao #main_content that khi no CHUA .bp-main ben trong, khong dung ID lop. ====== */
#main_content:has(.bp-main){background:#fff}

/* ====== BREADCRUMB BAND — full-width, nam ngoai container ====== */
.bp-breadcrumb-band{background:linear-gradient(rgba(234,239, 250, 0.996) 0%, rgb(255, 255, 255) 100%)}

/* ====== ARTICLE HEADER — meta-top + h1 + meta-bottom, nam rieng 1 div ngay
   sau breadcrumb, KHONG nam trong row 3 cot (blogpost-layout) ben duoi. ====== */
.bp-article-header{padding-top:24px;border-bottom:1px solid #e5e7eb;padding-bottom:20px;margin-bottom:8px}

/* ====== TIÊU ĐỀ BÀI VIẾT (dời từ hero cũ vào trong bài) ====== */
.bp-article-title{font-size:2rem;font-weight:700;line-height:1.3; letter-spacing: -0.029em;}
@media(max-width:767px){
.bp-article-header{padding-top:10px}
.bp-article-title{font-size:1.5rem}
}

/* ====== META BOTTOM — Ngay dang | Ngay cap nhat | Luot xem | Danh muc cha (trai) + nut chia se (phai) ====== */
.bp-meta-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.bp-meta-bottom__left{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:0.875rem;color:#4a4f63}
.bp-meta-bottom__item{display:inline-flex;align-items:center;gap:6px;color:inherit;text-decoration:none}
a.bp-meta-bottom__item:hover{color:var(--ivd-brand,#1d52d7)}
.bp-meta-bottom__item i{color:var(--ivd-brand,#1d52d7);font-size:1rem}
.bp-copy-link-btn{background:none;padding:0;cursor:pointer;font-family:inherit}

/* ====== META DATE — gop "Ngay dang" + "Ngay cap nhat" thanh 1 muc: icon lich
   (giu icon cua Ngay dang) + gia tri la Ngay cap nhat, ben canh nut tron "?"
   bam vao hien tooltip liet ke ca 2 ngay. Toggle qua class .is-open tren
   .bp-meta-date__info-wrap (js/inan-bp-meta-date.js), dong khi click ra
   ngoai/nhan Esc. Chi render khi ca 2 ngay cung ton tai — thieu 1 trong 2 thi
   fallback ve dang 1 muc don nhu cu (xem PHP). ====== */
.bp-meta-date__info-wrap{position:relative;display:inline-flex;align-items:center}
.bp-meta-date__info{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border:0;border-radius:50%;background:none;color:var(--ivd-brand,#1d52d7);font-size:11px;cursor:pointer;padding:0;line-height:1;transition:background .15s,color .15s}
.bp-meta-date__info i{color:inherit;font-size:18px}
.bp-meta-date__info:hover{background:var(--ivd-brand,#1d52d7);color:#fff; border: 0}
.bp-meta-date__tooltip{position:absolute;left:50%;bottom:calc(100% + 10px);transform:translateX(-50%);z-index:30;display:none;flex-direction:column;gap:6px;min-width:210px;background:#4a4f63;border-radius:10px;padding:12px 14px;box-shadow:0 8px 12px rgba(16,24,40,.18);font-size:0.875rem;font-weight:400;color:#fff;white-space:nowrap;text-align:left}
.bp-meta-date__tooltip:before{content:'';position:absolute;left:50%;top:100%;transform:translateX(-50%);border:6px solid transparent;border-top-color:#4a4f63}
.bp-meta-date__info-wrap.is-open .bp-meta-date__tooltip{display:flex}
@media(max-width:480px){
.bp-meta-date__tooltip{left:0;right:auto;transform:none;white-space:normal;min-width:0;width:max-content;max-width:75vw}
.bp-meta-date__tooltip:before{left:9px;right:auto;transform:none}
}

/* ====== "CÓ THỂ BẠN QUAN TÂM" — clone y hệt .nb-card (news_blog.php) cho tung
   the, nhung khung ngoai la SLIDER giong .rp-* (San pham lien quan) thay vi
   CSS grid tinh — JS set width tung .bp-card theo so cot dang muon hien (giu
   dung breakpoint 576/768/992 -> 1/2/3/4 cot nhu truoc), .bp-grid gio la track
   flex de truot ngang. Giu prefix rieng .bp-* vi CSS cua news_blog.php/rp-*
   chi load o trang khac/dieu kien khac. ====== */
.bp-related{max-width:1280px;margin:0 auto}
.bp-related .title_box{padding: 48px 0 20px}

/* .bp-related-outer: vi tri tham chieu cho nut nav, KHONG overflow (nut luon click duoc) */
.bp-related-outer{position:relative}
/* .bp-related-clip: lop overflow:hidden DUY NHAT — chi track bi cat, khong phai nut */
.bp-related-clip{overflow:hidden;border-radius:12px;    padding: 5px 0 30px}
/* Track: flex row, width tung .bp-card do JS tinh (getBoundingClientRect) */
.bp-grid{display:flex;transition:transform .35s ease}

.bp-related-nav-btn{position:absolute;top:50%;transform:translateY(-50%);z-index:20;
  background:rgba(255,255,255,.92);color:var(--ivd-brand,#1d52d7);border:none;border-radius:50%;
  width:36px;height:36px;font-size:24px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  padding:0;line-height:1;box-shadow:0 2px 8px rgba(0,0,0,.18);
  transition:background .15s,color .15s,opacity .15s}
.bp-related-nav-btn:hover{background:var(--ivd-brand,#1d52d7);color:#fff}
.bp-related-nav-btn:disabled{opacity:.2;cursor:default;pointer-events:none}
#bpRelatedPrev{left:-10px}
#bpRelatedNext{right:-10px}
/* pfRelated* — cung .bp-related-nav-btn nhung id rieng cho slider "CO THE BAN
   QUAN TAM" o layout_portfolio.php (danh muc 28, xem inan-related-portfolio-slider.js).
   Thieu 2 dong nay se khien ca 2 nut khong co left/right -> chong len nhau o
   vi tri mac dinh (dung o goc trai), day chinh la loi da xay ra. */
#pfRelatedPrev{left:-10px}
#pfRelatedNext{right:-10px}

/* Dots — clone y het .thp-dots/.thp-dot (shortcode-press.css), chi hien khi 1 the/view (mobile) */
.bp-related-dots-wrap{display:flex;justify-content:center}
.bp-related-dots{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:22px}
.bp-related-dot{width:6px;height:6px;padding:0;border:none;border-radius:50%;background:#cfe0fa;cursor:pointer;transition:background .2s,transform .2s}
.bp-related-dot--active{background:var(--ivd-brand,#1d52d7);transform:scale(1.2);width:16px;border-radius:50px}

.bp-card{flex-shrink:0;box-sizing:border-box;position:relative;border-radius:12px;overflow:hidden;background:linear-gradient(rgba(255,255,255,.2) 0%,#fff 100%);border:1px solid #D8E2E6;padding:12px;transition:box-shadow .2s,transform .2s}
.bp-card:hover{box-shadow:0 8px 20px rgba(16,24,40,.1);transform:translateY(-2px)}
.bp-card__link{display:flex;flex-direction:column;text-decoration:none;color:inherit}
.bp-card__link:hover{text-decoration:none;color:inherit}
.bp-card__img{position:relative;width:100%}
.bp-card__img::before{content:'';display:block;padding-top:54.375%}
.bp-card__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;border-radius:8px}
.bp-card__footer{padding-top:16px}
.bp-card__text{min-width:0}
.bp-card__title{margin:0;font-size:1rem;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden; line-height: 1.5}
.bp-card__bottom{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin-top:8px}
.bp-card__arrow{flex:0 0 auto;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;color:var(--ivd-brand,#1d52d7);background:#eef3fd;font-size:1rem;transition:background .2s,color .2s}
.bp-card:hover .bp-card__arrow{background:var(--ivd-brand,#1d52d7);color:#fff}
.bp-card__meta{display:flex;align-items:center;margin:0;font-size:0.75rem;color:#657384;white-space:nowrap;overflow:hidden;min-width:0;flex:1 1 auto}
.bp-card__time{flex:0 0 auto}
.bp-card__author{flex:0 1 auto;overflow:hidden;text-overflow:ellipsis;color:#657384;font-weight:500;text-decoration:none}
.bp-card__author:hover{color:#1250DC}
.bp-card__author::before{content:'•';display:inline-block;margin:0 6px;color:#cbd5e1}
@media(max-width:991px){
.bp-related .title_box{padding: 0px 0 20px}
/* Rieng Portfolio (layout_portfolio.php: "Mau thiet ke lien quan" +
   "Co the ban quan tam" video) — .bp-related--pf, KHONG anh huong
   .bp-related cua layout_blogpost.php (rule tren van giu nguyen o do). */
.bp-related--pf .title_box{padding: 48px 0 20px}
}

/* ====== GALLERY — anh lay tu noi dung bai viet (chitiet), 1 anh lon ben trai +
   luoi 2x2 ben phai, o cuoi cung co lop phu "Xem tat ca anh" + mo lightbox.
   Hien tai chi dung o layout_portfolio.php (danh muc cap 1 = 28) nhung dat
   chung trong file nay vi cung ho thiet ke "bp-*". ====== */
.bp-gallery{display:grid;grid-template-columns:1.6fr 1fr 1fr;grid-template-rows:1fr 1fr;gap:8px;height:420px;border-radius:12px;overflow:hidden}
.bp-gallery__item{position:relative;overflow:hidden;cursor:pointer;display:block;background:#eef1f6}
.bp-gallery__item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s ease}
.bp-gallery__item:hover img{transform:scale(1.05)}
.bp-gallery__item--main{grid-row:1/3}
.bp-gallery__more{position:absolute;inset:0;background:rgba(15,20,40,.6);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#fff;font-weight:500;font-size:0.875rem;text-align:center;padding:8px}
.bp-gallery__more i{font-size:1.5rem}
/* So luong anh <5: bo luoi phuc tap, xep hang ngang cuon ngang don gian */
.bp-gallery--few{display:flex;gap:8px;height:320px}
.bp-gallery--few .bp-gallery__item{flex:1 1 0;border-radius:8px}
.bp-gallery--few .bp-gallery__item--main{flex:2 1 0}
/* ====== GALLERY MOBILE (<768px) — carousel full-width thay the luoi tinh:
   Ken Burns zoom (anh phong to nhe trong suot thoi gian hien slide) + progress
   bar chay trai->phai roi reset khi sang slide ke. Dung chung du lieu
   window._bpGalleryImages va lightbox (.bp-lightbox) — JS o inan-bp-gallery.js.
   An o desktop, .bp-gallery (luoi tinh) an o <768px — chi 1 trong 2 hien tai
   1 thoi diem. ====== */
.bp-gallery-mobile{display:none}
@media(max-width:767px){
.bp-gallery,.bp-gallery--few{display:none}
.bp-gallery-mobile{display:block;position:relative;border-radius:12px;overflow:hidden;aspect-ratio:16/9;margin-bottom:24px;background:#111}
.bp-gallery-mobile__slide{position:absolute;inset:0;opacity:0;transition:opacity .5s ease;overflow:hidden}
.bp-gallery-mobile__slide.is-active{opacity:1;z-index:1}
.bp-gallery-mobile__slide img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1);transition:transform 4.2s linear;will-change:transform}
.bp-gallery-mobile__slide.is-zoom img{transform:scale(1.12)}
.bp-gallery-mobile__viewall{position:absolute;right:12px;bottom:30px;z-index:3;display:inline-flex;align-items:center;gap:8px;background:rgba(15,20,40,.55);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);color:#fff;border:none;border-radius:50px;padding:10px 18px;font-size:0.875rem;font-weight:500;cursor:pointer}
.bp-gallery-mobile__viewall i{font-size:1rem}
.bp-gallery-mobile__dots{position:absolute;left:12px;right:12px;bottom:12px;z-index:3;display:flex;gap:4px}
.bp-gallery-mobile__dot{flex:1;height:3px;border-radius:3px;background:rgba(255,255,255,.35);overflow:hidden}
.bp-gallery-mobile__dot i{display:block;height:100%;width:0;background:#fff;border-radius:3px;transition:none}
.bp-gallery-mobile__dot i.is-run{transition:width 4s linear;width:100%}
.bp-gallery-mobile__dot i.is-filled{width:100%}
}

/* ====== LIGHTBOX — modal rieng cho .bp-gallery, khong dung chung state voi
   .pf-modal (portfolio-showcase.css) de tranh xung dot JS/AJAX. ====== */
.bp-lightbox{position:fixed;inset:0;z-index:99999;display:none!important;align-items:center;justify-content:center;padding:24px}
.bp-lightbox--open{display:flex!important}
.bp-lightbox__backdrop{position:absolute;inset:0;background:rgba(10,14,28,.9);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
/* .bp-lightbox__stage la flex-column, align-items:center -> tung flex item
   (imgwrap/counter/thumbs) TU CO RUT GON theo dung noi dung cua no (khong bi
   keo dan het be rong 1100px) — nho vay .bp-lightbox__imgwrap luon om sat
   dung kich thuoc anh dang hien thi, nut prev/next gan vao no se luon nam
   sat canh anh du anh ngang hay doc, khong can JS do lai kich thuoc. */
.bp-lightbox__stage{position:relative;max-width:1100px;max-height:88vh;width:100%;display:flex;flex-direction:column;align-items:center}
.bp-lightbox__imgwrap{position:relative;display:flex;max-width:100%}
.bp-lightbox__imgwrap img{max-width:100%;max-height:calc(88vh - 92px);object-fit:contain;border-radius:6px;display:block;user-select:none}
/* Nen trang DAC (khong phai trong mo .12 nhu ban dau) + icon toi mau — ban
   dau nut trong mo tren nen anh sang se gan nhu bien mat (xem anh chup loi
   nguoi dung gui, phong bi/tui giay mau trang). Doi sang cung pattern da
   dung o .pf-modal__nav/.bp-related-nav-btn (nen trang dac + shadow) de luon
   noi ro bat ke anh nen sang hay toi. */
.bp-lightbox__close{position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.92);color:#1a1a2e;border:none;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:3;box-shadow:0 2px 10px rgba(0,0,0,.25);transition:background .2s,color .2s}
.bp-lightbox__close:hover{background:#005EDB;color:#fff}
/* Nut nam TREN .bp-lightbox__imgwrap (khong phai .bp-lightbox__stage) —
   dua ra ngoai mep anh 1 chut (-56px), sat hon han so voi truoc (dinh vao
   canh man hinh, xem anh chup loi nguoi dung gui). */
.bp-lightbox__nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.92);color:#1a1a2e;border:none;font-size:26px;cursor:pointer;z-index:3;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.25);transition:background .2s,color .2s;line-height:1}
.bp-lightbox__nav:hover{background:#005EDB;color:#fff}
.bp-lightbox__prev{left:-20px}
.bp-lightbox__next{right:-20px}
.bp-lightbox__counter{margin-top:12px;color:#fff;font-size:12px;font-weight:500;letter-spacing:.5px;pointer-events:none}
/* ====== THUMBNAILS — clone y het pattern .pf-modal__thumb* (portfolio-showcase.css),
   doi mau vien active sang trang vi nen .bp-lightbox toi (khac nen trang cua .pf-modal). ====== */
.bp-lightbox__thumbs{display:flex;gap:8px;margin-top:10px;padding:2px;overflow-x:auto;max-width:100%;scroll-behavior:smooth;-webkit-overflow-scrolling:touch}
.bp-lightbox__thumbs::-webkit-scrollbar{height:4px}
.bp-lightbox__thumbs::-webkit-scrollbar-track{background:transparent}
.bp-lightbox__thumbs::-webkit-scrollbar-thumb{background:rgba(255,255,255,.3);border-radius:4px}
.bp-lightbox__thumb{width:56px;height:56px;border-radius:6px;overflow:hidden;cursor:pointer;flex-shrink:0;border:2px solid transparent;opacity:.5;transition:opacity .18s,border-color .18s,transform .18s,box-shadow .18s}
.bp-lightbox__thumb:hover{opacity:.85;transform:scale(1.05)}
.bp-lightbox__thumb--active{border-color:#fff;opacity:1;box-shadow:0 2px 10px rgba(0,0,0,.35)}
.bp-lightbox__thumb img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:767px){
.bp-lightbox__close{width:34px;height:34px;font-size:20px;top:10px;right:10px}
.bp-lightbox__thumb{width:44px;height:44px}
}