/* Layout: nền đêm kẻ ô mờ, đầu trang phủ ánh tím; nội dung là các thẻ tối bo tròn lớn, nhãn mono, nút gradient hồng sang tím */
:root{
  color-scheme:light;
  --bg:#F4EEE6; --grid:rgba(90,70,60,.055); --card:#FFFFFF; --soft:#EEE5DB; --line:#E2D7CB;
  --ink:#241E21; --muted:#6A5F62; --pink:#C2356B; --pink-deep:#A32A59; --violet:#C2356B; --amber:#95571A; --green:#1F8A5A;
  --on-accent:#FFFFFF; --grad:#C2356B; --grad-text:#C2356B;
  --display:"Baloo 2","Trebuchet MS",system-ui,sans-serif;
  --body:"Lexend",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-weight:300;font-size:16px;line-height:1.65;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:64px 64px}
.wrap{max-width:1280px;margin:0 auto;padding-left:max(clamp(16px,4vw,56px),env(safe-area-inset-left,0px));padding-right:max(clamp(16px,4vw,56px),env(safe-area-inset-right,0px));padding-block:0 72px}
body[data-view="hoc"] .wrap,body[data-view="admin"] .wrap,body[data-view="hoc"] .top-in,body[data-view="admin"] .top-in{max-width:1680px}
h1,h2,h3{font-family:var(--display);font-weight:800;line-height:1.12;margin:0;text-wrap:balance}
h1{font-size:clamp(2.1rem,6vw,3.5rem)}
h2{font-size:clamp(1.6rem,4vw,2.3rem)}
h3{font-size:1.2rem;font-weight:700}
em.s{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}
p{margin:0}
b{font-weight:600}
.muted{color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink);border:1px solid var(--violet);background:var(--soft);border-radius:999px;padding:6px 14px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);flex:none}

.demo{background:var(--soft);color:var(--muted);font-size:.82rem;text-align:center;padding:8px 16px;border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:6px 16px;justify-content:center;align-items:center}
.demo code{font-family:var(--mono);color:var(--amber);overflow-wrap:anywhere}
.demo button{background:none;border:0;padding:0;font:inherit;color:var(--ink);text-decoration:underline;cursor:pointer}
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);border-bottom:1px solid var(--line)}
.top-in{max-width:1280px;margin:0 auto;padding:12px max(clamp(16px,4vw,56px),env(safe-area-inset-right,0px)) 12px max(clamp(16px,4vw,56px),env(safe-area-inset-left,0px));display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-family:var(--display);font-weight:700;font-size:1.15rem;display:flex;align-items:center;gap:10px}
.brand::before{content:"";width:11px;height:11px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px rgba(95,217,160,.15);flex:none}
.brand em{font-style:normal;background:var(--grad-text);-webkit-background-clip:text;background-clip:text;color:transparent}

.btn{font-family:var(--display);font-weight:700;font-size:1.05rem;border:0;border-radius:999px;padding:13px 30px;
  background:var(--grad);color:var(--on-accent);cursor:pointer;text-decoration:none;display:inline-block;text-align:center;
  box-shadow:0 10px 30px -10px rgba(255,92,122,.6)}
.btn:hover{filter:brightness(1.1)}
.btn.small{padding:8px 20px;font-size:.92rem;box-shadow:none}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{background:var(--soft);filter:none}
.btn:focus-visible,input:focus-visible,summary:focus-visible,.back:focus-visible,.copy:focus-visible{outline:3px solid var(--amber);outline-offset:2px}

section{padding-block:52px 0}
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;padding:40px 28px;margin-top:20px;border-radius:32px;
  background:radial-gradient(120% 90% at 85% 0%,rgba(108,92,242,.55),transparent 60%),radial-gradient(90% 80% at 0% 100%,rgba(255,92,122,.16),transparent 60%),var(--card);
  border:1px solid var(--line)}
.hero > *{min-width:0}
.hero h1{margin-top:14px}
.hero p.lead{font-size:1.08rem;margin-block:16px 22px;max-width:34em;color:var(--muted)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.video{aspect-ratio:16/9;max-width:100%;background:var(--bg);border:1px solid var(--line);border-radius:22px;position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:16px}
.video::before{content:"VIDEO CHÀO MỪNG";position:absolute;top:12px;left:12px;font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;
  background:var(--soft);border-radius:999px;padding:5px 12px 5px 26px;
  background-image:radial-gradient(circle at 14px 50%,var(--pink) 0 4px,transparent 5px)}
.play{width:62px;height:62px;border-radius:50%;background:var(--grad);display:grid;place-items:center}
.play::after{content:"";border-left:18px solid var(--on-accent);border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:5px}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.facts span{display:inline-flex;align-items:center;gap:9px;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:7px 15px 7px 9px;
  font-family:var(--display);font-weight:700;font-size:.95rem;font-variant-numeric:tabular-nums}
.facts span::before{content:"";width:20px;height:20px;border-radius:50%;flex:none;
  background:var(--grad)}
.term{margin-top:20px;border:1px solid var(--line);border-radius:18px;background:var(--bg);font-family:var(--mono);font-size:.86rem;overflow:hidden}
.term-bar{display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid var(--line);color:var(--muted)}
.term-bar i{width:10px;height:10px;border-radius:50%;background:var(--pink)}
.term-bar i:nth-child(2){background:var(--amber)} .term-bar i:nth-child(3){background:var(--green);margin-right:8px}
.term-body{padding:14px;overflow-wrap:anywhere}
.term-body .d{color:var(--green)}
.cur{display:inline-block;width:.6em;height:1.1em;background:var(--amber);vertical-align:-.2em;margin-left:2px;animation:blink 1.1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
@media (prefers-reduced-motion:reduce){.cur{animation:none}}

.gets{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.gets > div,.outs > div{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px}
.gets p{font-size:.95rem;color:var(--muted);margin-top:8px}
.outs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}
.outs > div{display:grid;gap:4px}
.outs b{font-family:var(--display);font-weight:700;font-size:1.2rem}
.outs span{font-size:.9rem;color:var(--muted)}

.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.tools > div{padding:24px;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:24px}
.tools .role{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);margin-bottom:8px}
.tools p{font-size:.95rem;color:var(--muted);margin-top:8px}

.parts{margin-top:24px;display:grid;gap:10px}
.part{display:grid;grid-template-columns:74px 1fr;gap:14px;padding:18px 22px;background:var(--card);border:1px solid var(--line);border-radius:20px}
.part > div{min-width:0}
.part .pn{font-family:var(--mono);font-size:.9rem;color:var(--amber);padding-top:4px}
.part p{color:var(--muted);font-size:.95rem;margin-top:4px}

.two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.two > div{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px}
ul.tick{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:9px}
ul.tick li{padding-left:28px;position:relative}
ul.tick li::before{content:"";position:absolute;left:3px;top:.55em;width:12px;height:6px;border-left:2.5px solid var(--green);border-bottom:2.5px solid var(--green);transform:rotate(-45deg)}
ul.tick.no li::before{width:12px;height:0;border-left:0;transform:none;top:.85em;border-color:var(--muted)}

.price{background:radial-gradient(110% 120% at 100% 0%,rgba(108,92,242,.35),transparent 60%),var(--card);border:1px solid var(--violet);border-radius:28px;padding:30px;margin-top:20px;
  display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center}
.price > div{min-width:0}
.amount{font-family:var(--mono);font-weight:700;font-size:clamp(2rem,6vw,2.7rem);font-variant-numeric:tabular-nums;line-height:1.15;
  background:linear-gradient(90deg,#F6B544,#FF8A6B);-webkit-background-clip:text;background-clip:text;color:transparent}
.was{font-family:var(--mono);color:var(--muted);text-decoration:line-through;font-variant-numeric:tabular-nums}
.price .btn{width:100%;margin-top:16px}

.faq{margin-top:20px;display:grid;gap:10px}
details{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:0 22px}
summary{list-style:none;cursor:pointer;padding:16px 0;font-family:var(--display);font-weight:700;font-size:1.08rem}
summary::-webkit-details-marker{display:none}
.faq p{padding:0 0 18px;color:var(--muted);max-width:62ch}

.back{background:none;border:0;color:var(--muted);font:inherit;cursor:pointer;padding:0;margin-top:28px;text-decoration:underline}
.pay{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;align-items:start}
.pay > *{min-width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:26px}
.steps{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
label{display:block;font-size:.88rem;font-weight:500;margin-top:14px}
input{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--bg);color:var(--ink);margin-top:5px}
.err{color:var(--pink);font-size:.9rem;margin-top:12px;min-height:1.3em}
.qr{width:190px;max-width:100%;aspect-ratio:1;margin:6px auto 16px;border:1.5px dashed var(--muted);border-radius:18px;
  display:grid;place-items:center;text-align:center;font-size:.82rem;color:var(--muted);padding:14px;
  background-image:repeating-linear-gradient(45deg,var(--soft) 0 8px,transparent 8px 16px)}
dl.bank{margin:0;display:grid;grid-template-columns:auto 1fr;gap:7px 14px;font-size:.93rem}
dl.bank dt{color:var(--muted)}
dl.bank dd{margin:0;font-weight:500;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.code{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.code span{font-family:var(--mono);color:var(--amber);background:var(--soft);padding:3px 10px;border-radius:8px;user-select:all}
.copy{font:inherit;font-size:.8rem;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:999px;padding:3px 12px;cursor:pointer}
.total{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);margin-top:18px;padding-top:14px;font-weight:500}
.total b{font-family:var(--mono);font-size:1.4rem;color:var(--amber);font-variant-numeric:tabular-nums}
.note{border-left:3px solid var(--amber);padding-left:14px;color:var(--muted);font-size:.88rem;margin-top:12px}

.proof{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.proof > div{min-width:0;aspect-ratio:9/12;max-width:100%;background:var(--card);border:1px dashed var(--muted);border-radius:22px;display:grid;place-items:center;text-align:center;padding:16px;color:var(--muted);font-size:.88rem}
.req{display:grid;gap:10px;margin-top:20px}
.req > div{border-left:3px solid var(--amber);padding:2px 0 2px 16px}
.req b{display:block}
.req span{color:var(--muted);font-size:.93rem}
.next{margin-top:24px;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:26px;display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center}
.next > div{min-width:0}
.soon{display:inline-block;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);border:1px solid var(--line);border-radius:999px;padding:5px 12px;margin-bottom:10px}
.courses{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.course{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:28px;padding:26px;display:flex;flex-direction:column;gap:12px}
.course.main{border-color:var(--violet);background:radial-gradient(110% 90% at 100% 0%,rgba(108,92,242,.30),transparent 60%),var(--card)}
.course p{color:var(--muted)}
.course .meta{font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.course .foot{margin-top:auto;padding-top:10px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.course .cprice{font-family:var(--mono);font-weight:700;font-size:1.5rem;color:var(--amber);font-variant-numeric:tabular-nums}
.tag{align-self:flex-start;font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--violet);background:var(--soft);border-radius:999px;padding:5px 12px}
.how{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
.how > div{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px}
.how .num{font-family:var(--mono);color:var(--amber);margin-bottom:8px}
.how p{color:var(--muted);font-size:.95rem;margin-top:6px}
.brand{cursor:pointer;background:none;border:0;color:inherit;padding:0}
.done{max-width:600px;margin:48px auto 0;text-align:center}
.done .card{text-align:left;margin-top:22px}
.done ol{margin:8px 0 0;padding-left:20px;display:grid;gap:8px}
.mail{font-weight:500;color:var(--amber);overflow-wrap:anywhere}

footer{margin-top:56px;padding-top:18px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}

.rows{display:grid;gap:8px;margin-top:12px}
.row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.row > div{min-width:0}
.row .em{font-weight:500;overflow-wrap:anywhere}
.row .mt{font-family:var(--mono);font-size:.76rem;color:var(--muted)}
.empty{color:var(--muted);font-size:.93rem;padding:10px 2px}
.addrow{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-top:8px}
.addrow > div{flex:1 1 220px;min-width:0}
select{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:var(--bg);color:var(--ink);margin-top:5px}
.terms{max-width:68ch}
.terms h3{margin-top:22px}
.terms p{color:var(--muted);margin-top:6px}
.flinks{display:flex;flex-wrap:wrap;gap:16px;margin-top:8px}
.flinks button{background:none;border:0;padding:0;font:inherit;color:var(--muted);text-decoration:underline;cursor:pointer}
.own{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--green);border:1px solid var(--green);border-radius:999px;padding:4px 10px;align-self:flex-start}
.linkbtn{background:none;border:0;padding:0;margin-top:12px;font:inherit;font-size:.9rem;color:var(--muted);text-decoration:underline;cursor:pointer}
.navwho{font-family:var(--mono);font-size:.76rem;color:var(--muted);max-width:22ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:560px){.navwho{display:none}}
.auth{max-width:440px;margin:48px auto 0}
.auth h2{text-align:center}
.auth .sub{text-align:center;color:var(--muted);margin-top:8px}
.auth .card{margin-top:22px}
.auth .btn{width:100%;margin-top:16px}
.codein{font-family:var(--mono);font-size:1.4rem;letter-spacing:.4em;text-align:center}
.learn-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:24px}
.who{font-family:var(--mono);font-size:.8rem;color:var(--muted);overflow-wrap:anywhere}
.learn{display:grid;grid-template-columns:clamp(300px,26vw,400px) 1fr;gap:16px;margin-top:16px;align-items:start}
.learn > *{min-width:0}
.side{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:18px;max-height:78vh;overflow:auto}
.bar{height:8px;border-radius:99px;background:var(--soft);overflow:hidden;margin:8px 0 4px}
.bar i{display:block;height:100%;background:var(--grad);width:0}
.pct{font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.sp{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);margin:14px 0 4px;line-height:1.4}
#h-list{display:flex;flex-direction:column;gap:2px}
.les{display:flex;align-items:flex-start;gap:10px;width:100%;margin:0;min-height:0;height:auto;text-align:left;font:inherit;font-size:.9rem;line-height:1.35;color:var(--ink);background:none;border:0;border-radius:12px;padding:8px 10px;cursor:pointer}
.les .lt{flex:1;min-width:0}
.les .lm{flex:none;font-family:var(--mono);font-size:.72rem;color:var(--muted);padding-top:2px}
.les .dot{margin-top:2px}
.dur{position:absolute;right:12px;bottom:12px;font-family:var(--mono);font-size:.78rem;color:#fff;background:rgba(0,0,0,.6);border-radius:8px;padding:3px 8px}
.les:hover{background:var(--soft)}
.les.on{background:var(--soft);outline:1px solid var(--violet)}
.les .dot{width:16px;height:16px;border-radius:50%;border:1.5px solid var(--muted);flex:none}
.les.done .dot{border-color:var(--green);background:var(--green)}
.les:focus-visible{outline:3px solid var(--amber)}
.locked{margin-top:18px;border:1px dashed var(--line);border-radius:16px;padding:14px;color:var(--muted);font-size:.9rem}
.player{aspect-ratio:16/9;max-width:min(100%,calc(62vh * 16 / 9));margin-inline:auto;background:#000;border:1px solid var(--line);border-radius:22px;position:relative;overflow:hidden;display:grid;place-items:center}
.wm{position:absolute;font-family:var(--mono);font-size:.78rem;color:rgba(255,255,255,.28);white-space:nowrap;animation:drift 14s linear infinite;pointer-events:none}
@keyframes drift{0%{left:6%;top:10%}25%{left:52%;top:70%}50%{left:20%;top:44%}75%{left:58%;top:14%}100%{left:6%;top:10%}}
@media (prefers-reduced-motion:reduce){.wm{animation:none;left:8%;top:12%}}
.stage{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:20px}
.stage h3{margin-top:16px;font-size:1.4rem}
.files{display:grid;gap:8px;margin-top:14px}
.files div{border:1px solid var(--line);border-radius:12px;padding:10px 14px;display:flex;justify-content:space-between;gap:10px;font-size:.93rem}
.files span{color:var(--muted);font-family:var(--mono);font-size:.78rem}
.stage-foot{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
@media (max-width:760px){
  .learn{grid-template-columns:1fr}
  .side{max-height:none;order:2}
  .hero,.price,.pay,.two,.next,.courses,.how{grid-template-columns:1fr}
  .proof{grid-template-columns:1fr 1fr 1fr}
  .outs{grid-template-columns:1fr 1fr}
  .hero{padding:28px 20px}
  .gets,.outs{grid-template-columns:1fr 1fr}
  .tools{grid-template-columns:1fr}
}
@media (max-width:460px){.gets,.outs{grid-template-columns:1fr}.part{grid-template-columns:1fr;gap:2px}}

/* ---- Giao diện nền be, giản lược: một màu nhấn, không gradient, không đổ bóng ---- */
body{background-size:32px 32px}
em.s,.brand em{background:none;-webkit-background-clip:border-box;background-clip:border-box;color:var(--pink)}
.eyebrow{border:0;background:none;border-radius:0;padding:0;color:var(--amber);gap:0}
.eyebrow::before{display:none}
.tag{border:0;background:none;padding:0;color:var(--amber)}
.soon{border:0;padding:0}
.btn{border-radius:12px;box-shadow:none;background:var(--pink)}
.btn:hover{filter:none;background:var(--pink-deep)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid #BDB0A4}
.btn.ghost:hover{background:var(--soft)}
.brand::before{box-shadow:none;background:var(--pink)}
.hero{background:none;border:0;border-radius:0;padding:36px 0 0;margin-top:0}
.hero p.lead{color:var(--ink)}
.video{background:var(--card);border-radius:16px}
.video::before{background-color:var(--soft)}
.facts{gap:6px 20px}
.facts span{border:0;background:none;padding:0;font-family:var(--body);font-weight:500;font-size:.93rem;color:var(--muted)}
.facts span::before{width:6px;height:6px;background:var(--pink)}
.card,.course,.gets > div,.outs > div,.tools > div,.part,.two > div,.price,.next,details,.side,.stage,.how > div,.proof > div{border-radius:16px}
.price,.course.main{background:var(--card);border:1.5px solid var(--ink)}
.amount{background:none;-webkit-background-clip:border-box;background-clip:border-box;color:var(--ink);font-family:var(--display)}
.cprice,.total b{color:var(--ink);font-family:var(--display)}
.bar i{background:var(--pink)}
.play{background:var(--pink)}
.les.on{outline-color:var(--pink)}
input,select{border-radius:10px;background:var(--card)}
.demo code{color:var(--amber)}
.gets > div{border-top:3px solid var(--ink)}
section{padding-block:48px 0}
.course .cprice{color:var(--ink);font-family:var(--display)}
.btn{white-space:nowrap}
@media (max-width:560px){
  .brand{font-size:1rem}
  .brand span{white-space:nowrap}
  .top-in{padding-block:10px}
  .pay form{order:-1}
}
.navlink{background:none;border:0;padding:6px 4px;font:inherit;font-weight:500;font-size:.93rem;color:var(--ink);cursor:pointer;white-space:nowrap}
.navlink:hover,.navlink.on{color:var(--pink)}
.navlink:focus-visible,.chip:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.navs{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;justify-content:flex-end}
.portrait{aspect-ratio:4/5;max-width:min(100%,380px);margin-inline:auto;width:100%;background:var(--card);border:1px dashed #BDB0A4;border-radius:16px;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:.9rem;padding:16px}
.doors{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{font:inherit;font-size:.9rem;font-weight:500;border:1px solid #BDB0A4;background:transparent;color:var(--ink);border-radius:999px;padding:7px 16px;cursor:pointer}
.chip.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.prods{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:20px}
.prod{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:10px}
.prod .shot{aspect-ratio:16/10;max-width:100%;background:var(--soft);border-radius:10px;display:grid;place-items:center;color:var(--muted);font-size:.85rem;text-align:center;padding:10px}
.prod p{color:var(--muted);font-size:.95rem}
.prod .foot{margin-top:auto;padding-top:8px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px}
.prod .pp{font-family:var(--display);font-weight:800;font-size:1.4rem;font-variant-numeric:tabular-nums}
.prod .note{margin-top:0}
.buymsg{font-size:.85rem;color:var(--amber);min-height:1.2em}
@media (max-width:760px){.doors{grid-template-columns:1fr}}
.navlink:disabled{color:var(--muted);cursor:default}
.navlink:disabled:hover{color:var(--muted)}
.course.off{opacity:.75}
.course.off .tag{color:var(--muted)}
@media (max-width:560px){.brand{font-size:.95rem}}
.pwrap{position:relative;max-width:420px;width:100%;margin-inline:auto;padding:26px 22px 40px}
.pwrap .portrait{max-width:100%}
.fl{position:absolute;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 14px;font-weight:600;font-size:.9rem;
  display:inline-flex;align-items:center;gap:8px;box-shadow:0 6px 18px -10px rgba(60,40,30,.45);animation:bob 5s ease-in-out infinite}
.fl::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--pink);flex:none}
.fl.b1{top:6px;left:0}
.fl.b2{top:26%;right:0;animation-delay:-1.6s}
.fl.b2::before{background:var(--amber)}
.fl.b3{top:58%;left:0;animation-delay:-3.2s}
.fl.b3::before{background:var(--green)}
.fl.say{bottom:0;right:0;left:auto;max-width:78%;font-weight:500;font-size:.88rem;line-height:1.4;border-color:var(--ink);animation-delay:-2.4s}
.fl.say::before{display:none}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@media (prefers-reduced-motion:reduce){.fl{animation:none}}
.focus{margin:4px 0 20px}
.focus .lb{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber)}
.focus ul{list-style:none;padding:0;margin:8px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.focus li{border:1px solid #BDB0A4;border-radius:10px;padding:7px 14px;font-weight:500;font-size:.95rem;background:var(--card)}
.focus li.hot{border:1.5px solid var(--pink);background:var(--card);color:var(--pink);font-weight:600}
.focus li.hot small{font-weight:400;font-size:.8rem;color:var(--muted);margin-left:6px}
.portrait.photo{padding:0;border:0;overflow:hidden;background:var(--soft)}
.portrait.photo img{display:block;width:100%;height:100%;object-fit:cover}

/* ---- Bổ sung cho các trang mới ---- */
html{scroll-behavior:smooth}
input[type=radio],input[type=checkbox]{width:auto;margin:0;accent-color:var(--pink)}
.opts{display:grid;gap:10px;margin-top:6px}
.opt{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:start;border:1px solid var(--line);border-radius:12px;padding:14px;cursor:pointer;margin:0;font-weight:300;background:var(--bg)}
.opt:has(input:checked){border:1.5px solid var(--ink);background:var(--card)}
.opt input{margin-top:5px}
.opt b{display:block;font-weight:600}
.opt small{display:block;color:var(--muted);font-size:.85rem;line-height:1.45}
.opt strong{font-family:var(--display);font-weight:800;font-size:1.15rem;font-variant-numeric:tabular-nums;white-space:nowrap}
.chk{display:flex;gap:10px;align-items:flex-start;font-weight:300;font-size:.9rem;margin-top:16px}
.chk input{margin-top:5px;flex:none}
.vrow{display:flex;gap:8px;align-items:flex-end}
.vrow > div{flex:1;min-width:0}
.vmsg{font-size:.85rem;min-height:1.3em;margin-top:6px;color:var(--muted)}
.vmsg.ok{color:var(--green)}
.trow{display:flex;justify-content:space-between;gap:12px;font-size:.93rem;color:var(--muted);margin-top:10px;font-variant-numeric:tabular-nums}
.status{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:14px;margin-top:18px;background:var(--bg)}
.status i{width:12px;height:12px;border-radius:50%;background:var(--amber);flex:none;animation:pulse 1.6s ease-in-out infinite}
.status.ok i{background:var(--green);animation:none}
@keyframes pulse{50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.status i{animation:none}}
.notice{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;border:1.5px solid var(--pink);border-radius:12px;padding:12px 16px;background:var(--card);margin-top:16px}
.notice > div{min-width:0}
.newtag{font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--pink);border:1px solid var(--pink);border-radius:999px;padding:1px 7px;margin-left:6px;white-space:nowrap}
.kc{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.kc > div{min-width:0}
@media (max-width:760px){.kc{grid-template-columns:1fr}.opt{grid-template-columns:auto 1fr}.opt strong{grid-column:2}}
.pick{width:100%;border-collapse:collapse;margin-top:20px;font-size:.95rem}
.pickwrap{overflow-x:auto}
.pick th,.pick td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.pick th{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);font-weight:500}
.pick td:first-child{font-weight:500}

.courses.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.courses.three .meta{margin-top:auto}
.courses.three .foot{margin-top:0;flex-direction:column;align-items:stretch;gap:12px;padding-top:14px}
.fprice .tag{align-self:auto}
@media (max-width:480px){.navs{flex-wrap:nowrap;gap:10px}.navlink{font-size:.86rem;padding:6px 2px}.brand{font-size:.92rem;gap:7px}.brand::before{width:8px;height:8px}.top-in .btn.small{padding:7px 12px;font-size:.85rem}.top-in{gap:8px}}
.pickwrap{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-top:20px}
.pickwrap .pick{margin-top:0}
.pick tbody tr:last-child td{border-bottom:0}
.cmp{table-layout:fixed;min-width:620px}
.cmp th:first-child{width:22%}
.cmp td:first-child{white-space:normal}
.video.intro::before{content:"VIDEO GIỚI THIỆU"}
.fprice{display:flex;align-items:baseline;gap:6px 12px;flex-wrap:wrap;min-height:2.1rem}
@media (max-width:900px){.courses.three{grid-template-columns:1fr}}
.cmp td:first-child{font-weight:500;white-space:nowrap}
.tag.soonc{color:var(--muted)}
.share{font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 7px;margin-left:6px;white-space:nowrap}
.wl{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-top:14px}
.wl > div{flex:1 1 240px;min-width:0}
.cbs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.cbs > div{min-width:0}
@media (max-width:760px){.cbs{grid-template-columns:1fr}}
.oldp{font-family:var(--mono);color:var(--muted);text-decoration:line-through;font-size:.9rem}
.sp.tg{cursor:pointer;display:flex;gap:8px;align-items:baseline;justify-content:space-between}
.sp.tg::after{content:"+";font-size:1rem;color:var(--muted)}
.sp.tg.open::after{content:"–"}
.sp.tg:focus-visible{outline:3px solid var(--amber)}
.thumb{aspect-ratio:16/9;max-width:100%;border-radius:10px;background:var(--soft);border:1px dashed #BDB0A4;display:grid;place-items:center;text-align:center;padding:12px;color:var(--muted);font-size:.84rem;line-height:1.4}
.thumb.off{border-style:solid;background:var(--bg)}
.curs{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.curs button{font:inherit;font-size:.88rem;font-weight:500;border:1px solid #BDB0A4;background:transparent;color:var(--ink);border-radius:999px;padding:6px 14px;cursor:pointer}
.curs button.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}

/* ---- Quản trị ---- */
#p-sim{white-space:normal}
.adm{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px;margin-top:20px;align-items:start}
.adm-nav{display:flex;flex-direction:column;gap:2px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:8px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 76px)}
.adm-nav button{display:flex;justify-content:space-between;align-items:center;gap:8px;text-align:left;font:inherit;font-size:.92rem;font-weight:500;color:var(--ink);background:none;border:0;border-radius:10px;padding:9px 12px;cursor:pointer;white-space:nowrap}
.adm-nav button:hover{background:var(--soft)}
.adm-nav button.on{background:var(--soft);color:var(--pink)}
.adm-nav button:focus-visible{outline:3px solid var(--amber)}
.cnt{font-family:var(--mono);font-size:.7rem;background:var(--pink);color:var(--on-accent);border-radius:999px;padding:1px 7px;font-weight:500}
.cnt:empty{display:none}
.adm-main{min-width:0}
.ah{font-size:1.35rem;margin-bottom:14px}
.sm{font-size:.9rem}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;min-width:0}
.stat b{display:block;font-family:var(--display);font-weight:800;font-size:clamp(1.3rem,2.2vw,1.7rem);white-space:nowrap;line-height:1.15;font-variant-numeric:tabular-nums}
.stat span{color:var(--muted);font-size:.85rem}
.kgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.kgrid .card{padding:18px;display:flex;flex-direction:column;gap:2px}
.kgrid .thumb{margin-bottom:6px}
.kgrid .thumb img{width:100%;height:100%;object-fit:cover;border-radius:9px;display:block}
.kgrid .thumb.has{padding:0;border-style:solid}
.fgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 14px}
.fgrid > div{min-width:0}
.fwide{grid-column:1/-1;margin-top:14px}
textarea{width:100%;font:inherit;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);margin-top:5px;resize:vertical}
input[type=file]{padding:9px 10px;font-size:.88rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.btool{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between}
.bfilter select{margin-top:0;min-width:200px}
.bsplit{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:16px;margin-top:14px;align-items:start}
.blist{padding:10px 12px;max-height:78vh;overflow:auto}
.bedit{position:sticky;top:calc(env(safe-area-inset-top,0px) + 76px);max-height:calc(100vh - 100px);overflow:auto}
.bpart{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);padding:14px 6px 6px;border-bottom:1px solid var(--line)}
.bpart > span{min-width:0}
.bpart button{flex:none;white-space:nowrap;font:inherit;font-size:.7rem;letter-spacing:.06em;color:var(--ink);background:none;border:1px solid var(--line);border-radius:999px;padding:2px 10px;cursor:pointer;text-transform:none;letter-spacing:0;font-family:var(--body)}
.brow{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:4px 10px;align-items:center;width:100%;text-align:left;font:inherit;font-size:.9rem;color:var(--ink);background:none;border:0;border-bottom:1px solid var(--line);padding:9px 6px;cursor:pointer}
.brow:hover{background:var(--soft)}
.brow.on{background:var(--soft);box-shadow:inset 3px 0 0 var(--pink)}
.brow:focus-visible{outline:3px solid var(--amber)}
.brow .bc{font-family:var(--mono);font-size:.75rem;color:var(--muted)}
.brow .bt{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pill{font-family:var(--mono);font-size:.66rem;letter-spacing:.04em;border-radius:999px;padding:2px 8px;white-space:nowrap;border:1px solid var(--line);color:var(--muted)}
.pill.ok{color:var(--green);border-color:var(--green)}
.pill.wait{color:var(--amber);border-color:var(--amber)}
.pill.draft{color:var(--pink);border-color:var(--pink)}
.drop{display:block;border:1.5px dashed #BDB0A4;border-radius:12px;padding:16px;text-align:center;color:var(--muted);background:var(--bg);font-size:.9rem;font-weight:400;cursor:pointer;margin-top:6px}
.drop:hover{border-color:var(--pink)}
.drop input{display:block;margin:10px auto 0;max-width:100%}
.prog{height:6px;border-radius:99px;background:var(--soft);overflow:hidden;margin-top:10px}
.prog i{display:block;height:100%;width:0;background:var(--pink);transition:width .2s}
.vbox{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-top:6px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.vbox > div{min-width:0;overflow-wrap:anywhere}
.flist{display:grid;gap:6px;margin-top:8px}
.flist div{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:.88rem}
.flist div span{min-width:0;overflow-wrap:anywhere}
.xbtn{font:inherit;font-size:.8rem;color:var(--muted);background:none;border:0;text-decoration:underline;cursor:pointer;flex:none}
.media{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px;margin-top:14px}
.mi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:10px;display:flex;flex-direction:column;gap:6px;min-width:0}
.mi .mv{aspect-ratio:4/3;max-width:100%;border-radius:9px;background:var(--soft);display:grid;place-items:center;overflow:hidden;font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.mi .mv img{width:100%;height:100%;object-fit:cover;display:block}
.mi .mn{font-size:.84rem;font-weight:500;overflow-wrap:anywhere;line-height:1.35}
.mi .mm{font-family:var(--mono);font-size:.7rem;color:var(--muted)}
.mi .ma{display:flex;gap:12px;margin-top:auto}
.pmsg{position:absolute;inset:0;display:grid;place-items:center;text-align:center;color:#fff;font-size:.95rem;padding:20px;background:rgba(0,0,0,.55)}
.files .nof{color:var(--muted);border-style:dashed}
@media (max-width:1200px){.stats{grid-template-columns:1fr 1fr}}
@media (max-width:1100px){.kgrid{grid-template-columns:1fr 1fr}.bsplit{grid-template-columns:1fr}.bedit{position:static;max-height:none}.blist{max-height:none}}
@media (max-width:860px){
  .adm{grid-template-columns:1fr}
  .adm-nav{flex-direction:row;overflow-x:auto;position:static;padding:6px;scrollbar-width:thin}
  .adm-nav button{flex:none}
  .stats{grid-template-columns:1fr 1fr}
  .kgrid{grid-template-columns:1fr}
}
@media (max-width:560px){.fgrid{grid-template-columns:1fr}.brow{grid-template-columns:44px minmax(0,1fr)}.brow .pill{grid-column:2;justify-self:start}}