/* Viet69 v1.1.2 — Compact Post Gallery */
.viet69-video-gallery-section{margin-top:18px;padding:14px;border:1px solid rgba(15,23,42,.1);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(248,250,252,.96));box-shadow:0 10px 26px rgba(15,23,42,.06);overflow:hidden}
.viet69-video-gallery-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px}
.viet69-video-gallery-title{display:flex;min-width:0;align-items:center;gap:8px;color:#0f172a}
.viet69-video-gallery-title>i{display:grid;width:30px;height:30px;place-items:center;flex:0 0 auto;border-radius:9px;color:#92400e;background:linear-gradient(135deg,#fef3c7,#fbbf24);box-shadow:0 6px 14px rgba(245,158,11,.18)}
.viet69-video-gallery-title h3{margin:0;font-family:"Quicksand","Inter",sans-serif;font-size:15px;font-weight:800;line-height:1.1;white-space:nowrap}
.viet69-video-gallery-title span{padding-left:8px;border-left:1px solid rgba(15,23,42,.12);color:#64748b;font-size:11px;font-weight:700;white-space:nowrap}
.viet69-gallery-controls{display:flex;align-items:center;gap:6px}
.viet69-gallery-controls button{display:grid;width:32px;height:32px;place-items:center;padding:0;border:1px solid rgba(15,23,42,.12);border-radius:9px;color:#334155;background:#fff;box-shadow:0 4px 12px rgba(15,23,42,.06);cursor:pointer;transition:transform .18s ease,border-color .18s ease,opacity .18s ease}
.viet69-gallery-controls button:hover,.viet69-gallery-controls button:focus-visible{transform:translateY(-1px);border-color:rgba(245,158,11,.6);outline:0}
.viet69-gallery-controls button:disabled{opacity:.35;cursor:default;transform:none}
.viet69-gallery-viewport{overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;scroll-behavior:smooth;overscroll-behavior-x:contain;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.viet69-gallery-viewport::-webkit-scrollbar{display:none}
.viet69-gallery-track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 20px)/3);gap:10px;min-width:100%}
.viet69-gallery-item{position:relative;display:block;aspect-ratio:4/3;padding:0;overflow:hidden;scroll-snap-align:start;border:1px solid rgba(15,23,42,.1);border-radius:11px;background:#0b0f16;box-shadow:0 7px 18px rgba(15,23,42,.1);cursor:pointer;isolation:isolate}
.viet69-gallery-item::after{content:"";position:absolute;inset:auto 0 0;height:48%;z-index:1;background:linear-gradient(180deg,transparent,rgba(0,0,0,.62));pointer-events:none}
.viet69-gallery-item img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .28s ease,filter .28s ease}
.viet69-gallery-item:hover img,.viet69-gallery-item:focus-visible img{transform:scale(1.035);filter:saturate(1.04)}
.viet69-gallery-item:focus-visible{outline:2px solid #f59e0b;outline-offset:2px}
.viet69-gallery-number,.viet69-gallery-expand,.viet69-gallery-caption{position:absolute;z-index:2;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.7)}
.viet69-gallery-number{left:9px;top:8px;display:inline-flex;min-width:28px;height:24px;align-items:center;justify-content:center;padding:0 7px;border:1px solid rgba(255,255,255,.3);border-radius:8px;background:rgba(8,12,18,.58);backdrop-filter:blur(5px);font-size:10px;font-weight:800;letter-spacing:.08em}
.viet69-gallery-expand{right:9px;top:8px;display:grid;width:28px;height:28px;place-items:center;border-radius:9px;background:rgba(8,12,18,.58);backdrop-filter:blur(5px);font-size:12px}
.viet69-gallery-caption{left:10px;right:10px;bottom:8px;overflow:hidden;font-size:11px;font-weight:700;line-height:1.35;text-align:left;text-overflow:ellipsis;white-space:nowrap}
.viet69-gallery-progress{height:3px;margin-top:10px;overflow:hidden;border-radius:999px;background:rgba(15,23,42,.08)}
.viet69-gallery-progress span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#fbbf24,#f97316);transition:width .18s ease}

html[data-ec18-theme="dark"] .viet69-video-gallery-section{border-color:rgba(255,255,255,.1);background:linear-gradient(180deg,rgba(27,34,44,.98),rgba(19,24,32,.98));box-shadow:0 14px 34px rgba(0,0,0,.24)}
html[data-ec18-theme="dark"] .viet69-video-gallery-title{color:#f8fafc}
html[data-ec18-theme="dark"] .viet69-video-gallery-title span{border-left-color:rgba(255,255,255,.12);color:#9ca8b8}
html[data-ec18-theme="dark"] .viet69-gallery-controls button{border-color:rgba(255,255,255,.12);color:#e5e7eb;background:#252d39}
html[data-ec18-theme="dark"] .viet69-gallery-item{border-color:rgba(255,255,255,.12);box-shadow:0 8px 22px rgba(0,0,0,.28)}
html[data-ec18-theme="dark"] .viet69-gallery-progress{background:rgba(255,255,255,.08)}

.viet69-lightbox{position:fixed;inset:0;z-index:99999;display:grid;place-items:center;padding:64px 72px 28px;background:rgba(2,6,12,.96);backdrop-filter:blur(8px)}
.viet69-lightbox[hidden]{display:none!important}
.viet69-lightbox-topbar{position:absolute;top:0;left:0;right:0;display:flex;min-height:54px;align-items:center;justify-content:center;gap:10px;padding:10px 64px;color:#fff;background:linear-gradient(180deg,rgba(0,0,0,.72),transparent)}
.viet69-lightbox-topbar strong{font-family:"Quicksand","Inter",sans-serif;font-size:14px;font-weight:800}
.viet69-lightbox-count{color:rgba(255,255,255,.72);font-size:12px;font-weight:700}
.viet69-lightbox figure{display:grid;max-width:min(94vw,1400px);max-height:calc(100vh - 96px);margin:0;place-items:center;text-align:center}
.viet69-lightbox img{display:block;max-width:100%;max-height:calc(100vh - 125px);object-fit:contain;border-radius:8px;box-shadow:0 24px 70px rgba(0,0,0,.45)}
.viet69-lightbox figcaption{max-width:min(84vw,900px);min-height:22px;margin-top:9px;color:rgba(255,255,255,.82);font-size:12px;line-height:1.45}
.viet69-lightbox button{position:absolute;display:grid;place-items:center;padding:0;border:1px solid rgba(255,255,255,.16);color:#fff;background:rgba(255,255,255,.09);backdrop-filter:blur(8px);cursor:pointer;transition:background .18s ease,transform .18s ease}
.viet69-lightbox button:hover,.viet69-lightbox button:focus-visible{background:rgba(255,255,255,.18);transform:scale(1.03);outline:0}
.viet69-lightbox-close{top:10px;right:12px;width:38px;height:38px;border-radius:11px;font-size:17px}
.viet69-lightbox-prev,.viet69-lightbox-next{top:50%;width:46px;height:60px;border-radius:13px;transform:translateY(-50%);font-size:28px}
.viet69-lightbox-prev:hover,.viet69-lightbox-prev:focus-visible,.viet69-lightbox-next:hover,.viet69-lightbox-next:focus-visible{transform:translateY(-50%) scale(1.03)}
.viet69-lightbox-prev{left:14px}.viet69-lightbox-next{right:14px}

@media(max-width:991px){.viet69-gallery-track{grid-auto-columns:calc((100% - 10px)/2)}}
@media(max-width:600px){
  .viet69-video-gallery-section{margin-top:14px;padding:11px;border-radius:12px}
  .viet69-video-gallery-header{margin-bottom:9px}
  .viet69-video-gallery-title>i{width:28px;height:28px}
  .viet69-video-gallery-title h3{font-size:14px}
  .viet69-video-gallery-title span{font-size:10px}
  .viet69-gallery-controls button{width:30px;height:30px}
  .viet69-gallery-track{gap:8px;grid-auto-columns:calc((100% - 8px)/2)}
  .viet69-gallery-item{border-radius:9px}
  .viet69-lightbox{padding:58px 12px 20px}
  .viet69-lightbox-topbar{padding:8px 54px 8px 12px;justify-content:flex-start}
  .viet69-lightbox img{max-height:calc(100vh - 112px)}
  .viet69-lightbox-prev,.viet69-lightbox-next{top:auto;bottom:18px;width:42px;height:42px;border-radius:12px;transform:none;font-size:23px}
  .viet69-lightbox-prev:hover,.viet69-lightbox-prev:focus-visible,.viet69-lightbox-next:hover,.viet69-lightbox-next:focus-visible{transform:scale(1.03)}
  .viet69-lightbox-prev{left:14px}.viet69-lightbox-next{right:14px}
}
@media(max-width:379px){.viet69-gallery-track{grid-auto-columns:100%}}
@media(prefers-reduced-motion:reduce){.viet69-gallery-viewport{scroll-behavior:auto}.viet69-gallery-item img,.viet69-gallery-controls button,.viet69-gallery-progress span,.viet69-lightbox button{transition:none}}