/* Viet69 XXX — tube site tối */
:root{--bg:#000;--bg2:#141414;--bg3:#1f1f1f;--line:#2a2a2a;--tx:#fff;--tx2:#a8a8a8;--ac:#e11d2e;--ac2:#ffcd1f;--r:6px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--tx);font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:1600px;margin:0 auto;padding:0 16px}
html.v69-lock{overflow:hidden}

/* Header */
.hdr{position:sticky;top:0;z-index:40;background:var(--bg)}
.hdr__top{display:flex;align-items:center;gap:16px;height:64px}
.hdr__burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;padding:6px;background:none;border:0;cursor:pointer}
.hdr__burger span{display:block;height:2px;background:#fff;border-radius:2px}
.logo{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:26px;letter-spacing:-.5px;white-space:nowrap}
.logo__icon{width:30px;height:30px;color:var(--ac)}
.logo__a{color:#fff}
.logo__b{color:var(--ac)}
.search{flex:1;display:flex;max-width:720px;margin:0 auto;height:40px;border:1px solid #3a3a3a;border-radius:var(--r);overflow:hidden;background:var(--bg2)}
.search input{flex:1;min-width:0;padding:0 14px;background:transparent;border:0;color:var(--tx);font-size:15px;outline:0}
.search input::placeholder{color:#777}
.search button{width:52px;border:0;background:var(--bg3);color:#ccc;cursor:pointer}
.search button:hover{background:var(--ac);color:#000}
.search svg{width:20px;height:20px;margin:auto}
.nav{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.nav__in{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.nav__in::-webkit-scrollbar{display:none}
.nav__in a{flex:none;padding:11px 14px;color:#ddd;font-weight:600;font-size:14px;border-bottom:3px solid transparent}
.nav__in a:hover{color:var(--ac);border-bottom-color:var(--ac)}

/* Ngăn menu mobile: rộng 80%, nền đen mờ phía sau, bấm nền để đóng */
.drawer{position:fixed;inset:0;z-index:60;visibility:hidden}
.drawer__mist{position:absolute;inset:0;background:rgba(0,0,0,.75);opacity:0;transition:opacity .25s}
.drawer__box{position:absolute;top:0;left:0;bottom:0;width:80%;max-width:360px;background:var(--bg2);transform:translateX(-100%);transition:transform .25s;overflow-y:auto;padding:12px 0}
.drawer.is-open{visibility:visible}
.drawer.is-open .drawer__mist{opacity:1}
.drawer.is-open .drawer__box{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:4px 16px 12px;border-bottom:1px solid var(--line)}
.drawer__x{background:none;border:0;color:#fff;font-size:30px;line-height:1;cursor:pointer}
.drawer__link{display:block;padding:12px 18px;font-weight:600;border-bottom:1px solid #1c1c1c}
.drawer__link:hover{color:var(--ac)}

/* Danh sách */
.main{padding-top:18px;padding-bottom:30px;min-height:60vh}
.sect{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:6px 0 14px}
.sect__title{margin:0;font-size:20px;font-weight:700}
.tabs{display:flex;gap:6px}
.tabs a{padding:6px 12px;border-radius:var(--r);background:var(--bg3);color:var(--tx2);font-weight:600;font-size:13px}
.tabs a.is-on,.tabs a:hover{background:var(--ac);color:#000}
.desc{color:var(--tx2);margin:-6px 0 14px}
.empty{padding:50px 0;text-align:center;color:var(--tx2)}
.vgrid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px 14px}
.vc__thumb{position:relative;display:block;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:var(--bg3)}
.vc__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.vc__thumb:hover img{transform:scale(1.04)}
.vc__dur,.vc__hd{position:absolute;bottom:6px;padding:1px 5px;border-radius:3px;font-size:12px;font-weight:700;background:rgba(0,0,0,.8)}
.vc__dur{right:6px}
.vc__hd{left:6px;color:var(--ac)}
.vc__title{margin:8px 0 3px;font-size:14px;font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vc__title a:hover{color:var(--ac)}
.vc__meta{margin:0;color:var(--tx2);font-size:12px;display:flex;gap:10px}
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:30px 0 10px}
.pager a,.pager span{min-width:38px;padding:8px 12px;border-radius:var(--r);background:var(--bg3);text-align:center;font-weight:600}
.pager a:hover{background:#333}
.pager .is-cur{background:var(--ac);color:#000}
.pager .pager__gap{background:none}

/* Trang video */
.watch{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:20px}
.player{position:relative;aspect-ratio:16/9;background:#000;border-radius:var(--r);overflow:hidden}
.player__frame,.player__frame iframe,.player__frame>div{position:absolute;inset:0;width:100%;height:100%;border:0}
.player__poster{width:100%;height:100%;object-fit:cover;opacity:.5}
.player__empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:16px;text-align:center;color:#ccc}
.servers{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.servers button{padding:7px 14px;border:0;border-radius:var(--r);background:var(--bg3);color:#ddd;font-weight:600;cursor:pointer}
.servers button.is-active{background:var(--ac);color:#000}
.watch__title{margin:14px 0 6px;font-size:20px;line-height:1.3}
.watch__stats{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--tx2);margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.row{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:8px 0}
.row__k{color:var(--tx2);margin-right:4px}
.chip{display:inline-block;padding:4px 10px;border-radius:var(--r);background:var(--bg3);font-size:13px;font-weight:600}
.chip:hover{background:var(--ac);color:#000}
.chip--hd{color:var(--ac);background:none;border:1px solid var(--ac);padding:1px 6px}
.chip--tag{font-weight:400;color:#ccc}
.watch__desc{color:#ccc;margin-top:12px}
.side__title{margin:0 0 10px;font-size:16px}
.mini{display:flex;gap:10px;margin-bottom:12px}
.mini__thumb{position:relative;flex:none;width:168px;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:var(--bg3)}
.mini__thumb img{width:100%;height:100%;object-fit:cover}
.mini__body{min-width:0;display:flex;flex-direction:column;gap:4px}
.mini__title{font-weight:600;font-size:13px;line-height:1.35;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.mini:hover .mini__title{color:var(--ac)}
.mini__meta{color:var(--tx2);font-size:12px}
.sub{font-size:16px;margin:22px 0 10px;color:var(--ac2)}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.cats__i{display:flex;flex-direction:column;padding:12px 14px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--line)}
.cats__i:hover{border-color:var(--ac)}
.cats__i span{font-weight:700}
.cats__i small{color:var(--tx2)}
.page{line-height:1.7;color:#ddd}

/* Footer */
.ftr{margin-top:30px;padding:30px 0;background:var(--bg2);border-top:1px solid var(--line);color:var(--tx2);text-align:center}
.ftr .logo{font-size:22px}
.ftr__about{max-width:640px;margin:12px auto}
.ftr__links{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;margin:14px 0}
.ftr__links a:hover{color:var(--ac)}
.ftr__copy{font-size:12px;margin:0}

@media (max-width:1400px){.vgrid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:1100px){.vgrid{grid-template-columns:repeat(3,minmax(0,1fr))}.watch{grid-template-columns:1fr}.watch__side{display:none}}
@media (max-width:760px){
  .hdr__top{height:auto;flex-wrap:wrap;gap:8px 10px;padding-top:8px;padding-bottom:8px}
  .hdr__burger{display:flex}
  .logo{font-size:22px}
  .search{order:3;flex-basis:100%;max-width:none;height:38px}
  .vgrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 10px}
  .sect__title{font-size:17px}
  .watch__title{font-size:17px}
  .main{padding-top:12px}
}

/* Logo 2 chữ + bài SEO trang chủ */
.logo__b{margin-left:4px}
.seo{max-width:900px;margin:40px auto 10px;padding:24px;background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);color:var(--tx2);line-height:1.7}
.seo h2{color:var(--tx);font-size:22px;margin:0 0 12px}
.seo h3{color:var(--tx);font-size:18px;margin:22px 0 8px}
.seo h4{color:var(--tx);font-size:15px;margin:14px 0 4px}
.seo p,.seo li{margin:0 0 10px}
.seo a{color:var(--ac2)}
.seo strong{color:var(--tx)}
@media(max-width:600px){.seo{padding:16px;margin-top:28px}.seo h2{font-size:19px}}