/* Kaizen #103+ — giữ chân người đọc. */
.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* K103: thẻ "Đọc tiếp" trượt lên */
.tns-upnext{position:fixed;z-index:60;right:20px;bottom:20px;width:360px;max-width:calc(100vw - 24px);display:flex;align-items:stretch;border-radius:16px;background:#fff;box-shadow:0 18px 44px -14px rgba(15,23,42,.45),0 0 0 1px rgba(15,23,42,.06);transform:translateY(140%);opacity:0;transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity .25s;font-family:Inter,system-ui,sans-serif}
.tns-upnext.is-on{transform:none;opacity:1}
.tns-upnext a{flex:1;min-width:0;display:flex;gap:12px;align-items:center;padding:12px 4px 12px 12px;color:#0f172a;text-decoration:none}
.tns-upnext img{flex:none;width:76px;height:57px;border-radius:10px;object-fit:cover;background:#e2e8f0}
.tns-upnext span{min-width:0}
.tns-upnext em{display:block;margin-bottom:3px;font-style:normal;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#4f46e5}
.tns-upnext b{display:-webkit-box;font-size:14.5px;line-height:1.35;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tns-upnext a:hover b{color:#4f46e5}
.tns-upnext button{flex:none;width:36px;border:0;border-radius:0 16px 16px 0;background:transparent;color:#64748b;font-size:20px;cursor:pointer}
.tns-upnext button:hover{color:#0f172a}
@media (max-width:640px){.tns-upnext{left:12px;right:12px;bottom:12px;width:auto}}
@media (prefers-reduced-motion:reduce){.tns-upnext{transition:none}}

/* K105: thời gian đọc còn lại */
.tns-left{font-weight:600;color:#64748b;text-transform:none;letter-spacing:0}
.tns-tocbar__left{flex:none;margin-left:auto;padding-left:10px;font-size:12px;font-weight:600;color:#64748b;white-space:nowrap}

/* K107: chân trang điều hướng */
.tns-fnav{background:#0f172a;color:#cbd5e1;font-family:Inter,system-ui,sans-serif;border-bottom:1px solid #1e293b}
.tns-fnav__in{max-width:1200px;margin:0 auto;padding:40px 20px 34px;display:grid;grid-template-columns:1.3fr .8fr 1.3fr 1.3fr;gap:34px}
.tns-fnav__h{margin:0 0 12px;font-size:13px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#fff}
.tns-fnav p{margin:0 0 14px;font-size:14px;line-height:1.6}
.tns-fnav ul,.tns-fnav ol{list-style:none;margin:0;padding:0}
.tns-fnav li{margin:0 0 9px;font-size:14px;line-height:1.45}
.tns-fnav ol{counter-reset:f}
.tns-fnav ol li{counter-increment:f;display:flex;gap:8px}
.tns-fnav ol li::before{content:counter(f);flex:none;font-weight:800;color:#818cf8}
.tns-fnav a{color:#e2e8f0;text-decoration:none}
.tns-fnav a:hover{color:#a5b4fc}
.tns-fnav form{display:flex;border:1px solid #334155;border-radius:10px;overflow:hidden}
.tns-fnav input{flex:1;min-width:0;padding:9px 12px;border:0;background:#1e293b;color:#fff;font:14px Inter,system-ui,sans-serif;outline:0}
.tns-fnav button{padding:0 14px;border:0;background:#4f46e5;color:#fff;font-weight:700;cursor:pointer}
.tns-fnav__tags p{display:flex;flex-wrap:wrap;gap:6px}
.tns-fnav__tags a{padding:4px 10px;border-radius:999px;background:#1e293b;font-size:13px}
@media (max-width:900px){.tns-fnav__in{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.tns-fnav__in{grid-template-columns:1fr;gap:26px;padding:30px 16px 26px}}

/* K109: báo tin mới ở trang Tin tức */
.tns-fresh-news{position:fixed;z-index:61;left:50%;top:76px;transform:translate(-50%,-160%);padding:10px 18px;border:0;border-radius:999px;background:#e11d48;color:#fff;font:700 14px/1.2 Inter,system-ui,sans-serif;box-shadow:0 12px 30px -10px rgba(225,29,72,.6);cursor:pointer;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.tns-fresh-news.is-on{transform:translate(-50%,0)}

/* K110: trang tìm kiếm */
.tns-srch{max-width:860px;margin:0 auto;padding:34px 20px 60px;font-family:Inter,system-ui,sans-serif;color:#1e293b}
.tns-srch a{text-decoration:none;color:inherit}
.tns-srch__kicker{margin:0 0 6px;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#4f46e5}
.tns-srch__title{margin:0 0 16px;font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-.02em;color:#0f172a;word-break:break-word}
.tns-srch__form{display:flex;border:2px solid #c7d2fe;border-radius:14px;background:#fff;overflow:hidden;transition:border-color .15s}
.tns-srch__form:focus-within{border-color:#4f46e5}
.tns-srch__form input{flex:1;min-width:0;padding:13px 16px;border:0;font:500 16px Inter,system-ui,sans-serif;outline:0;background:transparent}
.tns-srch__form button{flex:none;padding:0 22px;border:0;background:#4f46e5;color:#fff;font:800 15px Inter,system-ui,sans-serif;cursor:pointer}
.tns-srch__meta{margin:12px 0 0;font-size:13.5px;color:#64748b}
.tns-srch__meta a{margin-left:6px;color:#4f46e5;font-weight:700}
.tns-srch__list{list-style:none;margin:26px 0 0;padding:0}
.tns-srch__list li{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-top:1px solid #e2e8f0}
.tns-srch__img{flex:none;width:150px;aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:#e2e8f0}
.tns-srch__img img{width:100%;height:100%;object-fit:cover;display:block}
.tns-srch__b{flex:1;min-width:0}
.tns-srch__t{margin:0 0 4px;font-size:18px;line-height:1.35;font-weight:700;color:#0f172a}
.tns-srch__t a:hover{color:#4f46e5}
.tns-srch__ex{margin:6px 0 0;font-size:14px;line-height:1.55;color:#64748b}
.tns-srch__empty{margin-top:24px;padding:18px 20px;border-radius:14px;background:#f8fafc}
.tns-srch__empty>p{margin:0;font-size:15px;line-height:1.6}
.tns-srch__h{margin:22px 0 0;font-size:18px;font-weight:800;color:#0f172a}
.tns-srch .navigation{margin-top:26px}
@media (max-width:560px){.tns-srch{padding:24px 16px 48px}.tns-srch__img{width:96px}.tns-srch__t{font-size:16px}.tns-srch__ex{display:none}}

/* K111: chỉnh cỡ chữ */
.tns-reader.tns-fs-on p,.tns-reader.tns-fs-on blockquote,.tns-reader.tns-fs-on td{font-size:var(--tns-fs-p)!important;line-height:1.72!important}
.tns-reader.tns-fs-on li{font-size:var(--tns-fs-li)!important}
.tns-fs{display:inline-flex;align-items:baseline;gap:1px;margin-left:6px;padding:5px 11px;border:1px solid #e2e8f0;border-radius:999px;background:#fff;color:#334155;font:800 15px/1 Inter,system-ui,sans-serif;cursor:pointer}
.tns-fs span{font-size:12px}
.tns-fs i{margin-left:3px;font-style:normal;font-size:10px;color:#4f46e5}
.tns-fs:hover{border-color:#4f46e5;color:#4f46e5}

/* K113: nút Xem thêm ở hub */
.hb-more{display:block;margin:34px auto 0;padding:13px 28px;border:0;border-radius:14px;background:#0f172a;color:#fff;font:800 15px Inter,system-ui,sans-serif;cursor:pointer;box-shadow:0 12px 26px -16px rgba(15,23,42,.8);transition:transform .15s}
.hb-more:hover{transform:translateY(-2px)}
.hb-more.is-busy{opacity:.6;cursor:progress}
.hb-tips .hb-more{background:#0f766e}
.hb-apps .hb-more{background:#2563eb}
.hb-rev .hb-more{background:#1c1917;border-radius:0}
.tns-flow .hb-more{background:#e11d48}
.hb-pager.is-js{display:none!important} /* K117: ẩn hẳn (không còn ô focus vô hình khi bấm Tab); link vẫn nằm trong HTML */

/* K117: viền focus rõ cho bàn phím trên mọi thành phần mới */
:where(.tns-home,.hb,.tns-flow,.tns-gr,.tns-srch,.tns-fnav,.tns-next,.tns-upnext,.tns-byline,.site-header) :where(a,button,input,summary):focus-visible,
.tns-top:focus-visible,.hb-more:focus-visible,.tns-fresh-news:focus-visible{outline:3px solid #6366f1;outline-offset:2px;border-radius:8px}
.tns-gr :where(a,button):focus-visible{outline-color:#c4b5fd}

/* K115: định hướng trên trang dài — tiêu đề ngày bám dính (Tin tức) + nút Lên đầu */
.tns-flow__dayhead{position:sticky;top:65px;z-index:5;padding-top:8px;padding-bottom:8px;margin-bottom:6px!important;background:rgba(248,250,252,.92);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.tns-top{position:fixed;z-index:59;right:18px;bottom:18px;width:46px;height:46px;border:0;border-radius:50%;background:#0f172a;color:#fff;font:800 20px/1 Inter,system-ui,sans-serif;box-shadow:0 10px 24px -10px rgba(15,23,42,.7);cursor:pointer;opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .2s,transform .2s}
.tns-top.is-on{opacity:.92;transform:none;pointer-events:auto}
.tns-top:hover{opacity:1}

/* K120: Bạn còn đọc dở (cuối bài) */
.tns-resume{margin-top:18px;padding:14px 16px;border:1px dashed #c7d2fe;border-radius:14px;background:#f8faff;font-family:Inter,system-ui,sans-serif}
.tns-resume__h{margin:0 0 8px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#4f46e5}
.tns-resume a{display:flex;gap:12px;align-items:center;padding:8px 0;color:#0f172a;text-decoration:none}
.tns-resume a+a{border-top:1px solid #e0e7ff}
.tns-resume img{flex:none;width:72px;height:48px;border-radius:8px;object-fit:cover}
.tns-resume span{min-width:0;flex:1}
.tns-resume b{display:-webkit-box;font-size:14.5px;line-height:1.35;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tns-resume i{position:relative;display:block;height:4px;margin:6px 0 4px;border-radius:4px;background:#e0e7ff}
.tns-resume i::before{content:"";position:absolute;inset:0 auto 0 0;width:var(--p);border-radius:4px;background:#4f46e5}
.tns-resume em{font-style:normal;font-size:12px;color:#64748b}
.tns-resume a:hover b{color:#4f46e5}

/* K122: ô dành sẵn cho nút Lưu + Aa trong byline — giữ chỗ trước khi JS chạy (CLS 0,018 → 0) */
.tns-tools{display:inline-flex;align-items:center;gap:6px;min-height:32px}
.tns-tools .tns-save,.tns-tools .tns-fs,.tns-tools .tns-sharebtn{margin-left:0}
@media (max-width:640px){.tns-tools{flex-basis:100%;margin-top:6px}}

/* K104: nút Lưu đọc sau */
.tns-save{display:inline-flex;align-items:center;gap:6px;margin-left:8px;padding:6px 12px;border:1px solid #e2e8f0;border-radius:999px;background:#fff;color:#334155;font:600 13px/1 Inter,system-ui,sans-serif;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.tns-save:hover{border-color:#4f46e5;color:#4f46e5}
.tns-save.is-on{background:#eef2ff;border-color:#c7d2fe;color:#4338ca}
.tns-byline{flex-wrap:wrap}

/* K124: nút + ô tìm kiếm trên mobile */
.tns-msearch{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;border-radius:8px;background:transparent;color:#475569;cursor:pointer}
.tns-msearch:hover,.tns-msearch[aria-expanded="true"]{background:#f1f5f9;color:#4f46e5}
.tns-msearch-f{display:flex;gap:8px;padding:0 0 12px}
.tns-msearch-f[hidden]{display:none}
.tns-msearch-f input{flex:1;min-width:0;height:44px;padding:0 14px;border:1px solid #cbd5e1;border-radius:10px;font:16px/1.2 Inter,system-ui,sans-serif;background:#fff;color:#0f172a}
.tns-msearch-f input:focus{outline:2px solid #4f46e5;outline-offset:0;border-color:#4f46e5}
.tns-msearch-f button{height:44px;padding:0 16px;border:0;border-radius:10px;background:#4f46e5;color:#fff;font:700 15px/1 Inter,system-ui,sans-serif}
@media (min-width:640px){.tns-msearch,.tns-msearch-f{display:none!important}}

/* K125: nút Chia sẻ */
.tns-sharebtn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid #e2e8f0;border-radius:999px;background:#fff;color:#334155;font:600 13px/1 Inter,system-ui,sans-serif;cursor:pointer}
.tns-sharebtn:hover{border-color:#4f46e5;color:#4f46e5}
/* K131: hỏi nhanh cuối bài */
.tns-fb{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;max-width:720px;margin:28px auto 8px;padding:14px 18px;border:1px solid #e2e8f0;border-radius:14px;background:#f8fafc;font-family:Inter,system-ui,sans-serif}
.tns-fb__q{margin:0;font-size:15px;font-weight:600;color:#1e293b}
.tns-fb__b{display:flex;gap:8px}
.tns-fb__b button{min-height:40px;padding:0 16px;border:1px solid #cbd5e1;border-radius:999px;background:#fff;color:#1e293b;font:600 14px/1 Inter,system-ui,sans-serif;cursor:pointer}
.tns-fb__b button:hover{border-color:#4f46e5;color:#4f46e5}
.tns-fb.is-done{display:block}
.tns-fb__s{display:flex;gap:8px;margin-top:10px}
.tns-fb__s input{flex:1;min-width:0;height:42px;padding:0 12px;border:1px solid #cbd5e1;border-radius:10px;font:16px/1.2 Inter,system-ui,sans-serif}
.tns-fb__s button{height:42px;padding:0 16px;border:0;border-radius:10px;background:#4f46e5;color:#fff;font:700 14px/1 Inter,system-ui,sans-serif}
/* K132: Xem thêm trên trang Đánh giá game */
.tns-gr__pager.is-js{display:none!important}
.tns-gr .hb-more{background:linear-gradient(90deg,#7c3aed,#f43f5e);border-radius:12px;box-shadow:0 12px 30px -14px rgba(244,63,94,.7)}
/* K133: sao chép lệnh/code */
.tns-code{position:relative}
.tns-code pre{padding-top:2.4em!important}
.tns-copy{position:absolute;top:8px;right:8px;padding:5px 10px;border:1px solid rgb(148 163 184/.5);border-radius:8px;background:rgb(255 255 255/.92);color:#1e293b;font:600 12px/1 Inter,system-ui,sans-serif;cursor:pointer}
.tns-copy:hover{border-color:#4f46e5;color:#4f46e5}
code.tns-icode{cursor:copy}
code.tns-icode:hover{outline:1px dashed #6366f1;outline-offset:1px}
.tns-toast{position:fixed;left:50%;bottom:24px;z-index:9999;max-width:90vw;padding:10px 16px;border-radius:10px;background:#0f172a;color:#fff;font:600 14px/1.3 Inter,system-ui,sans-serif;opacity:0;transform:translate(-50%,10px);transition:opacity .2s,transform .2s;pointer-events:none}
.tns-toast.is-on{opacity:1;transform:translate(-50%,0)}
/* K136: nút "Đọc tiếp chỗ bạn dừng" */
.tns-jump{position:fixed;left:50%;bottom:18px;z-index:9990;display:inline-flex;align-items:center;gap:8px;padding:12px 14px 12px 18px;border:0;border-radius:999px;background:#4f46e5;color:#fff;font:700 14px/1 Inter,system-ui,sans-serif;box-shadow:0 12px 30px -10px rgba(79,70,229,.7);cursor:pointer;opacity:0;transform:translate(-50%,20px);transition:opacity .25s,transform .25s;white-space:nowrap}
.tns-jump.is-on{opacity:1;transform:translate(-50%,0)}
.tns-jump span{font-weight:500;opacity:.85}
.tns-jump i{display:inline-grid;place-items:center;width:22px;height:22px;margin-left:4px;border-radius:50%;background:rgb(255 255 255/.2);font-style:normal;font-size:15px}

/* K138: tiêu đề bài đã mở trong danh sách (trang chủ, hub, chủ đề, tìm kiếm) mờ đi — quay lại dễ thấy bài mới; :visited do trình duyệt tự giữ, không lưu gì thêm */
a:visited .th-latest__t,.th-latest__t a:visited,a.th-latest__t:visited,a:visited .th-lead__t,.th-lead__t a:visited,a.th-lead__t:visited,a:visited .th-pop__t,.th-pop__t a:visited,a.th-pop__t:visited,a:visited .th-rev__t,.th-rev__t a:visited,a.th-rev__t:visited,a:visited .hb-gen__t,.hb-gen__t a:visited,a.hb-gen__t:visited,a:visited .hb-rev__t,.hb-rev__t a:visited,a.hb-rev__t:visited,a:visited .hb-tips__t,.hb-tips__t a:visited,a.hb-tips__t:visited,a:visited .tns-srch__t,.tns-srch__t a:visited,a.tns-srch__t:visited,a:visited .tns-flow__title,.tns-flow__title a:visited,a.tns-flow__title:visited,a.th-cont__item:visited b{color:#64748b!important}
.tns-gr a:visited .tns-gr__box-t,.tns-gr .tns-gr__card-t a:visited{color:#9aa3b5!important}