html,body{margin:0}
*,*::before,*::after{box-sizing:border-box}
img{max-width:100%}
[hidden]{display:none!important}
:root{color-scheme:dark}

/* Layout: sticky top bar → hero → sidebar categories + product grid → payment → feeds → footer; admin opens as a right-side drawer; customer flows (auth, top-up, orders) are centered dialogs */
:root{
  --bg:#060c1f; --panel:#0c1733; --panel2:#11204a; --line:#1e3266;
  --fg:#e6edff; --muted:#8ea0cc; --blue:#2f7bff; --cyan:#3fe0ff; --gold:#ffcb45; --ok:#35d39a; --bad:#ff5d73;
  --display:"Chakra Petch",system-ui,sans-serif; --body:"Be Vietnam Pro",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--fg);font-family:var(--body);font-size:15px;line-height:1.55;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:44px 44px;background-attachment:fixed}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bg)}
body::after{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% -10%,rgba(47,123,255,.35),transparent 60%),linear-gradient(180deg,transparent 30%,var(--bg) 100%);z-index:-1}
a{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

.demo-bar{background:var(--gold);color:#1a1200;font-size:12px;font-weight:600;text-align:center}
.demo-bar .wrap{padding-block:5px}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(6,12,31,.94);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;padding-block:12px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.logo .mark{width:34px;height:34px;background:var(--blue);transform:rotate(12deg);display:grid;place-items:center;box-shadow:0 0 0 3px var(--bg),0 0 0 4px var(--cyan)}
.logo .mark span{width:12px;height:12px;background:var(--bg);display:block}
.logo b{font-family:var(--display);font-size:22px;letter-spacing:.04em}
.logo b i{font-style:normal;color:var(--cyan)}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{text-decoration:none;padding:6px 12px;color:var(--muted);font-weight:500;border-radius:6px;cursor:pointer}
nav a:hover,nav a.on{color:var(--fg);background:var(--panel2)}
.acct{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.bal{font-family:var(--mono);font-size:13px;background:var(--panel);border:1px solid var(--line);padding:6px 10px;border-radius:6px;font-variant-numeric:tabular-nums}
.bal b{color:var(--cyan);font-weight:500}
.btn{border:0;background:var(--blue);color:#fff;font-weight:600;padding:8px 16px;border-radius:6px;font-family:var(--display);letter-spacing:.03em}
.btn:hover{background:#4b8dff}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--fg)}
.btn.gold{background:var(--gold);color:#1a1200}
.btn.okb{background:var(--ok);color:#03251a}
.btn.danger{background:transparent;border:1px solid var(--bad);color:var(--bad)}
.btn.sm{padding:5px 10px;font-size:13px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.seg button{background:transparent;border:0;color:var(--muted);padding:6px 10px;font-family:var(--mono);font-size:12px}
.seg button.on{background:var(--panel2);color:var(--cyan)}
.who{display:flex;align-items:center;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:4px 6px 4px 10px;font-size:13px}
.who .av{width:24px;height:24px;border-radius:4px;background:var(--blue);display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:12px}

.hero{padding-block:44px 28px;display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
h1{font-family:var(--display);font-size:clamp(34px,6vw,62px);line-height:1;margin:10px 0 14px;text-wrap:balance}
h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1.5px var(--cyan)}
.hero p{color:var(--muted);max-width:52ch;margin:0 0 20px}
.notice{display:grid;gap:8px}
.notice div{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--gold);padding:10px 14px;font-size:14px}
.stats{display:flex;gap:28px;flex-wrap:wrap}
.stats div b{display:block;font-family:var(--display);font-size:26px;font-variant-numeric:tabular-nums}
.stats div span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

.shop{display:grid;grid-template-columns:240px 1fr;gap:24px;padding-block:12px 40px}
.side{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px;align-self:start;position:sticky;top:calc(env(safe-area-inset-top,0px) + 76px)}
.side h3{font-family:var(--display);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:6px 8px 10px}
.cats{display:grid;gap:2px}
.cats button{display:flex;justify-content:space-between;align-items:center;background:transparent;border:0;color:var(--fg);padding:9px 10px;border-radius:6px;text-align:left;font-size:14px}
.cats button:hover{background:var(--panel2)}
.cats button.on{background:var(--blue);color:#fff}
.cats small{font-family:var(--mono);font-size:11px;opacity:.7}
.main{min-width:0}
.bar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.bar h2{font-family:var(--display);font-size:24px;margin:0;margin-right:auto}
.search,select,.f input,.f textarea,.f select,.in{background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:9px 12px;border-radius:6px;font:inherit;min-width:0;width:100%}
.search{width:220px}
select{width:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-3px);border-color:var(--blue)}
.thumb{aspect-ratio:16/9;max-width:100%;position:relative;overflow:hidden}
.thumb canvas{position:absolute;inset:0;width:100%;height:100%}
.thumb .tag{position:absolute;top:10px;left:10px;font-family:var(--mono);font-size:11px;background:rgba(6,12,31,.75);padding:3px 8px;border-radius:4px;letter-spacing:.05em}
.thumb .hot{position:absolute;top:10px;right:10px;background:var(--gold);color:#1a1200;font-weight:700;font-size:11px;padding:3px 8px;border-radius:4px;font-family:var(--display)}
.body{padding:14px;display:flex;flex-direction:column;gap:10px;flex:1}
.body h4{margin:0;font-size:15px;font-weight:600;line-height:1.35}
.feats{display:flex;flex-wrap:wrap;gap:6px}
.feats span{font-size:11px;color:var(--muted);border:1px solid var(--line);padding:2px 7px;border-radius:4px}
.row{display:flex;align-items:center;justify-content:space-between;margin-top:auto;gap:8px}
.price{font-family:var(--display);font-size:20px;color:var(--cyan);font-variant-numeric:tabular-nums}
.stock{font-size:12px;font-family:var(--mono)}
.stock.ok{color:var(--ok)} .stock.low{color:var(--gold)} .stock.out{color:var(--bad)}
.card .btn{width:100%}
.card .btn[disabled]{background:var(--panel2);color:var(--muted);opacity:1}
.empty{padding:40px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:10px;grid-column:1/-1}

.feeds{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-block:0 40px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px;min-width:0}
.panel h3{font-family:var(--display);font-size:16px;margin:0 0 4px;display:flex;align-items:center;gap:8px}
.panel h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok)}
.panel .sub{font-size:12px;color:var(--muted);margin-bottom:12px}
.feed{list-style:none;margin:0;padding:0;display:grid;gap:8px;max-height:300px;overflow:auto}
.feed li{font-size:13px;padding:8px 10px;background:var(--bg);border-radius:6px;display:flex;justify-content:space-between;gap:10px}
.feed li span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.feed b{color:var(--cyan);font-weight:600}
.feed time{color:var(--muted);font-size:11px;white-space:nowrap;font-family:var(--mono)}
.rank{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.rank li{display:grid;grid-template-columns:28px 1fr auto;gap:10px;align-items:center;padding:8px 10px;background:var(--bg);border-radius:6px;font-size:14px}
.rank li i{font-style:normal;font-family:var(--display);font-weight:700;color:var(--muted);text-align:center}
.rank li:nth-child(1) i{color:var(--gold)} .rank li:nth-child(2) i{color:#c9d4ec} .rank li:nth-child(3) i{color:#e09a5c}
.rank b{font-family:var(--mono);font-size:13px;color:var(--cyan);font-weight:500}
.pay{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;padding-block:0 40px}
.pay div{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;display:flex;gap:12px;align-items:center}
.pay div.click{cursor:pointer}.pay div.click:hover{border-color:var(--blue)}
.pay .ico{width:38px;height:38px;border-radius:8px;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:13px;flex:none}
.pay b{display:block;font-size:14px} .pay small{color:var(--muted);font-size:12px}

footer{border-top:1px solid var(--line);background:var(--panel)}
footer .wrap{padding-block:28px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
footer p{color:var(--muted);font-size:13px;max-width:48ch;margin:10px 0 0}
footer h5{font-family:var(--display);margin:0 0 10px;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:14px;color:var(--muted)}
.copy{border-top:1px solid var(--line);text-align:center;font-size:12px;color:var(--muted);padding-block:12px}

.modal{position:fixed;inset:0;background:rgba(2,6,18,.75);display:grid;place-items:center;z-index:50;padding:16px;overflow:auto}
.dlg{background:var(--panel);border:1px solid var(--blue);border-radius:12px;width:min(440px,100%);padding:22px;display:grid;gap:14px}
.dlg.wide{width:min(720px,100%)}
.dlg h3{font-family:var(--display);margin:0;font-size:20px}
.dlg .x{justify-self:end;margin-top:-6px}
.dlg label{display:grid;gap:6px;font-size:13px;color:var(--muted)}
.qty{display:flex;align-items:center;gap:8px}
.qty button{width:34px;height:34px;border-radius:6px;border:1px solid var(--line);background:var(--bg);color:var(--fg);font-size:18px}
.qty input{width:60px;text-align:center;background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:7px;border-radius:6px;font:inherit}
.sum{display:flex;justify-content:space-between;font-size:14px;color:var(--muted)}
.sum b{color:var(--cyan);font-family:var(--display);font-size:22px}
.acts{display:flex;gap:10px;flex-wrap:wrap} .dlg .acts .btn{flex:1}
.atabs{display:flex;border-bottom:1px solid var(--line)}
.atabs button{flex:1;background:transparent;border:0;border-bottom:2px solid transparent;color:var(--muted);padding:8px;font-weight:600}
.atabs button.on{color:var(--fg);border-color:var(--cyan)}
.err{color:var(--bad);font-size:13px;min-height:1em}
.note{font-size:12px;color:var(--muted);background:var(--bg);border:1px dashed var(--line);padding:10px;border-radius:6px}
.code{font-family:var(--mono);font-size:24px;letter-spacing:.3em;color:var(--gold);text-align:center;background:var(--bg);border-radius:6px;padding:10px}
.toast{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom,0px));right:max(20px,env(safe-area-inset-right,0px));background:var(--ok);color:#03251a;font-weight:600;padding:12px 18px;border-radius:8px;z-index:80;max-width:calc(100% - 40px)}
.toast.err{background:var(--bad);color:#fff}

/* top-up */
.amts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.amts button{background:var(--bg);border:1px solid var(--line);color:var(--fg);padding:8px;border-radius:6px;font-family:var(--mono);font-size:13px}
.amts button.on{border-color:var(--cyan);color:var(--cyan)}
.qrwrap{display:grid;grid-template-columns:200px 1fr;gap:16px;align-items:start}
.qr{background:#fff;border-radius:8px;padding:8px;aspect-ratio:1;max-width:100%}
.qr svg,.qr img{width:100%;height:auto;display:block}
.kv{display:grid;gap:8px;min-width:0}
.kv div{display:flex;justify-content:space-between;gap:8px;align-items:center;background:var(--bg);border-radius:6px;padding:8px 10px;font-size:13px}
.kv span{color:var(--muted)} .kv b{font-family:var(--mono);font-weight:500;text-align:right;word-break:break-all}
.kv b.hl{color:var(--gold)}
.kv button{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:4px;font-size:11px;padding:2px 6px;flex:none}
.wait{display:flex;align-items:center;gap:10px;font-size:14px;padding:10px;border-radius:6px;background:var(--bg)}
.wait .sp{width:14px;height:14px;border:2px solid var(--line);border-top-color:var(--cyan);border-radius:50%;animation:spin 1s linear infinite;flex:none}
.wait.done{color:var(--ok)} .wait.done .sp{animation:none;border-color:var(--ok);background:var(--ok)}
@keyframes spin{to{transform:rotate(360deg)}}

/* orders */
.olist{display:grid;gap:8px;max-height:60vh;overflow:auto}
.oi{background:var(--bg);border-radius:8px;padding:10px 12px;display:grid;gap:6px;font-size:13px}
.oi .h{display:flex;justify-content:space-between;gap:8px}
.oi pre{margin:0;font-family:var(--mono);font-size:12px;background:var(--panel);padding:8px;border-radius:6px;white-space:pre-wrap;word-break:break-all;color:var(--cyan)}

/* admin drawer */
.drawer{position:fixed;inset:0;z-index:60;display:flex;justify-content:flex-end;background:rgba(2,6,18,.6)}
.dpanel{width:min(820px,100%);height:100%;background:var(--bg);border-left:2px solid var(--gold);display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);padding-right:env(safe-area-inset-right,0px)}
.dhead{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.dhead h2{font-family:var(--display);margin:0;font-size:20px;margin-right:auto}
.dhead h2 span{color:var(--gold)}
.tabs{display:flex;gap:4px;padding:10px 18px 0;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{background:transparent;border:0;color:var(--muted);padding:8px 14px;border-bottom:2px solid transparent;font-weight:600;white-space:nowrap}
.tabs button.on{color:var(--fg);border-color:var(--gold)}
.dbody{flex:1;overflow:auto;padding:18px;display:grid;gap:14px;align-content:start}
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.tiles div{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px}
.tiles b{display:block;font-family:var(--display);font-size:22px;font-variant-numeric:tabular-nums}
.tiles span{font-size:12px;color:var(--muted)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
.tbl table{width:100%;border-collapse:collapse;font-size:13px;min-width:560px}
.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em;padding:10px;background:var(--panel)}
.tbl td{padding:10px;border-top:1px solid var(--line);vertical-align:middle}
.tbl td.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
.pill{font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--line);white-space:nowrap}
.pill.ok{color:var(--ok);border-color:var(--ok)} .pill.bad{color:var(--bad);border-color:var(--bad)} .pill.wt{color:var(--gold);border-color:var(--gold)}
.f{display:grid;gap:12px;grid-template-columns:1fr 1fr;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}
.f label{display:grid;gap:6px;font-size:13px;color:var(--muted);min-width:0}
.f .full{grid-column:1/-1}
.f textarea{resize:vertical;min-height:70px}
.f .chk{display:flex;align-items:center;gap:8px;color:var(--fg)}
.f .chk input{width:auto}
.f h3{grid-column:1/-1;margin:0;font-family:var(--display);font-size:16px}
.hint{font-size:12px;color:var(--muted)}
.ro{border:1px dashed var(--gold);color:var(--gold);padding:10px 14px;border-radius:8px;font-size:13px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;counter-reset:s}
.flow div{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px;font-size:12px;color:var(--muted);counter-increment:s}
.flow div::before{content:counter(s);display:block;font-family:var(--display);font-size:18px;color:var(--gold)}
.preview-pill{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:70;background:var(--gold);color:#1a1200;border-radius:999px;padding:6px 6px 6px 16px;display:flex;align-items:center;gap:10px;font-size:13px;font-weight:600;box-shadow:0 6px 24px rgba(0,0,0,.4);max-width:calc(100% - 32px)}
.preview-pill button{background:#1a1200;color:var(--gold);border:0;border-radius:999px;padding:6px 12px;font-weight:600}

/* gói ngày VPS */
.plans{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}
.plans button{display:grid;gap:2px;text-align:center;padding:10px 8px}
.plans button b{font-family:var(--display);font-size:15px;color:var(--fg)}
.plans button small{font-family:var(--mono);font-size:12px;color:var(--cyan)}
.plans button.on{background:var(--panel2)}
.plan-ed{display:grid;gap:10px;background:var(--bg);border:1px dashed var(--line);border-radius:8px;padding:12px}
.plan-row{display:grid;grid-template-columns:1fr 1.4fr auto;gap:8px;align-items:center}
.plan-row input{background:var(--panel);border:1px solid var(--line);color:var(--fg);padding:8px 10px;border-radius:6px;font:inherit;min-width:0;width:100%}
.plan-row .per{grid-column:1/-1;font-size:11px;color:var(--muted);margin-top:-4px}
.days-chip{font-size:11px;color:var(--gold);font-family:var(--mono)}


/* ===== hiệu ứng ===== */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{from{opacity:0;transform:scale(.96) translateY(10px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes slidein{from{transform:translateX(40px);opacity:0}to{transform:none;opacity:1}}
@keyframes shine{from{transform:translateX(-140%) skewX(-20deg)}to{transform:translateX(320%) skewX(-20deg)}}
@keyframes glowpulse{0%,100%{box-shadow:0 0 0 3px var(--bg),0 0 0 4px var(--cyan),0 0 0 0 rgba(63,224,255,0)}50%{box-shadow:0 0 0 3px var(--bg),0 0 0 4px var(--cyan),0 0 22px 2px rgba(63,224,255,.45)}}
@keyframes dotpulse{0%,100%{box-shadow:0 0 4px var(--ok)}50%{box-shadow:0 0 12px 2px var(--ok)}}
@keyframes hotpulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}
@keyframes emglow{0%,100%{text-shadow:0 0 0 rgba(63,224,255,0)}50%{text-shadow:0 0 14px rgba(63,224,255,.7)}}

.top{transition:box-shadow .3s,background .3s}
.top.scrolled{box-shadow:0 10px 30px -10px rgba(0,0,0,.6);background:rgba(6,12,31,.96)}
.logo .mark{transition:transform .6s cubic-bezier(.2,.8,.2,1);animation:glowpulse 3.2s ease-in-out infinite}
.logo:hover .mark{transform:rotate(192deg) scale(1.06)}

.hero{position:relative;isolation:isolate}
.fx-cv{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;
  -webkit-mask-image:linear-gradient(transparent,#000 18%,#000 82%,transparent);mask-image:linear-gradient(transparent,#000 18%,#000 82%,transparent)}
.hero .eyebrow{animation:rise .6s .05s backwards}
.hero h1{animation:rise .7s .12s backwards}
.hero h1 em{display:inline-block;animation:emglow 3.2s ease-in-out infinite}
.hero p{animation:rise .7s .2s backwards}
.hero .stats{animation:rise .7s .28s backwards}
.notice div{animation:rise .6s backwards;transition:transform .25s,border-color .25s,background .25s}
.notice div:nth-child(1){animation-delay:.25s}.notice div:nth-child(2){animation-delay:.35s}.notice div:nth-child(3){animation-delay:.45s}
.notice div:hover{transform:translateX(5px);border-left-color:var(--cyan);background:var(--panel2)}

.card{position:relative;animation:pop .45s calc(var(--i,0) * 45ms) backwards;transition:transform .3s cubic-bezier(.2,.8,.2,1),border-color .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 18px 40px -14px rgba(47,123,255,.6)}
.card::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;opacity:0;transition:opacity .3s;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(63,224,255,.16),transparent 60%)}
.card:hover::before{opacity:1}
.thumb canvas{transition:transform .7s cubic-bezier(.2,.8,.2,1)}
.card:hover .thumb canvas{transform:scale(1.08) rotate(-.6deg)}
.thumb::after{content:"";position:absolute;top:0;bottom:0;left:0;width:40%;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transform:translateX(-140%) skewX(-20deg)}
.card:hover .thumb::after{animation:shine .9s ease}
.thumb .hot{animation:hotpulse 1.6s ease-in-out infinite}
.card:hover .price{text-shadow:0 0 16px rgba(63,224,255,.6)}

.btn{position:relative;overflow:hidden;transition:background .2s,transform .12s,box-shadow .25s}
.btn:active:not([disabled]){transform:scale(.97)}
.btn:not(.ghost):not(.danger):not([disabled]):hover{box-shadow:0 8px 22px -8px rgba(47,123,255,.8)}
.btn::after{content:"";position:absolute;top:0;bottom:0;left:0;width:35%;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);transform:translateX(-140%) skewX(-20deg)}
.btn:hover:not([disabled])::after{animation:shine .7s ease}
.cats button{transition:background .2s,transform .2s}
.cats button:hover{transform:translateX(3px)}
.pay div,.panel{transition:transform .25s,border-color .25s}
.pay div:hover{transform:translateY(-3px);border-color:var(--blue)}
.plans button,.amts button{transition:border-color .2s,transform .15s,background .2s}
.plans button:hover,.amts button:hover{transform:translateY(-2px)}
.panel h3 .dot{animation:dotpulse 2s ease-in-out infinite}

.modal:not([hidden]){animation:fade .2s both}
.modal:not([hidden]) .dlg{animation:pop .32s cubic-bezier(.2,.8,.2,1) both}
.drawer:not([hidden]) .dpanel{animation:slidein .35s cubic-bezier(.2,.8,.2,1) both}
.toast:not([hidden]){animation:rise .3s both}
.wait.done{animation:pop .35s both}


/* ===== nền trống đồng + sao băng + VIP ===== */
#fx-bg{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
body::after{z-index:-2}
@keyframes goldline{to{background-position:-200% 0}}
@keyframes goldtext{to{background-position:-200% 0}}
.top::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,var(--gold),#fff3c4,var(--cyan),transparent);background-size:200% 100%;animation:goldline 6s linear infinite}
.hero .eyebrow{background:linear-gradient(90deg,var(--cyan) 0%,var(--cyan) 35%,#ffe29a 50%,var(--cyan) 65%,var(--cyan) 100%);background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;animation:rise .6s .05s backwards,goldtext 4s linear infinite}
.card:has(.hot){border-color:rgba(255,203,69,.35)}
.card:has(.hot):hover{border-color:var(--gold);box-shadow:0 18px 40px -14px rgba(255,203,69,.45),0 0 0 1px rgba(255,203,69,.25)}
.thumb .hot{background:linear-gradient(100deg,#ffcb45,#fff1b8,#ffcb45);background-size:200% 100%;animation:hotpulse 1.6s ease-in-out infinite,goldline 2.4s linear infinite}


/* trống đồng xoay bằng card đồ hoạ */
.fx-drums{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.fx-drum{position:absolute;transform:translate(-50%,-50%);opacity:.13;animation:fxbreathe 5.7s ease-in-out infinite}
.fx-drum.fx-small{opacity:.06;animation:none}
.fx-ring{position:absolute;inset:0;width:100%;height:100%;animation:fxspin 120s linear infinite;will-change:transform}
.fx-glow{position:absolute;inset:-10%;border-radius:50%;background:radial-gradient(circle,rgba(255,190,80,.75),rgba(255,190,80,0) 70%)}
.fx-sweep{position:absolute;inset:1%;border-radius:50%;background:conic-gradient(from 0deg,rgba(255,214,120,0) 0deg,rgba(255,214,120,.9) 18deg,rgba(255,214,120,0) 40deg,rgba(255,214,120,0) 360deg);
  animation:fxspin 9s linear infinite;mix-blend-mode:screen;opacity:.55;will-change:transform}
.fx-core{position:absolute;left:39%;top:39%;width:22%;height:22%;border-radius:50%;background:radial-gradient(circle,rgba(255,236,180,1),rgba(255,236,180,0) 70%);animation:fxcore 5.7s ease-in-out infinite}
@keyframes fxspin{to{transform:rotate(360deg)}}
@keyframes fxbreathe{0%,100%{opacity:.11}50%{opacity:.17}}
@keyframes fxcore{0%,100%{opacity:.6}50%{opacity:1}}
@media (max-width:760px){.fx-drum{opacity:.10}@keyframes fxbreathe{0%,100%{opacity:.08}50%{opacity:.13}}}

#join-band{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:14px;text-decoration:none;color:#fff;
  background:linear-gradient(100deg,#5865F2,#7c84ff);border:1px solid rgba(255,255,255,.18);box-shadow:0 12px 34px -14px rgba(88,101,242,.8);transition:transform .2s,filter .2s;position:relative;overflow:hidden}
#join-band:hover{transform:translateY(-2px);filter:brightness(1.07)}
#join-band::after{content:"";position:absolute;top:0;bottom:0;left:0;width:35%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transform:translateX(-140%) skewX(-20deg)}
#join-band:hover::after{animation:shine .8s ease}
#join-band .jd-ico{width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:24px;flex:none}
#join-band .jd-txt{display:flex;flex-direction:column;min-width:0}
#join-band .jd-txt b{font-family:var(--display);font-size:17px}
#join-band .jd-txt small{opacity:.85;font-size:13px}
#join-band .jd-btn{margin-left:auto;background:#fff;color:#4650d8;font-family:var(--display);font-weight:700;padding:9px 18px;border-radius:999px;white-space:nowrap;flex:none}
@media (max-width:620px){#join-band{flex-wrap:wrap}#join-band .jd-btn{margin-left:0;width:100%;text-align:center}}
.contacts{display:grid;gap:10px}
.contacts a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;text-decoration:none;color:#fff;font-weight:600;font-family:var(--display);transition:transform .15s,filter .15s}
.contacts a:hover{transform:translateY(-2px);filter:brightness(1.1)}
.contacts a .ci{width:30px;height:30px;border-radius:7px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:16px;flex:none}
.contacts a.dc{background:#5865F2}.contacts a.tg{background:#229ED9}.contacts a.zl{background:#0068ff}
.contacts a small{margin-left:auto;opacity:.8;font-family:var(--body);font-weight:400;font-size:12px}
@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .shop{grid-template-columns:1fr}
  .side{position:static}
  .cats{grid-auto-flow:column;grid-auto-columns:max-content;overflow-x:auto;padding-bottom:4px}
  .feeds{grid-template-columns:1fr}
  .pay{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr}
  nav{order:3;width:100%;overflow-x:auto;flex-wrap:nowrap}
  .search{width:100%}
  .f{grid-template-columns:1fr}
  .qrwrap{grid-template-columns:1fr}
  .qr{width:220px;justify-self:center}
  .amts{grid-template-columns:repeat(2,1fr)}
  .tiles,.flow{grid-template-columns:1fr 1fr}
}
html.fx-off *{transition:none!important;animation:none!important}
#fx-toggle{position:fixed;z-index:45;left:max(14px,env(safe-area-inset-left,0px));bottom:calc(14px + env(safe-area-inset-bottom,0px));
  background:rgba(12,23,51,.9);color:var(--gold);border:1px solid rgba(255,203,69,.45);border-radius:999px;padding:7px 14px;
  font-family:var(--display);font-weight:600;font-size:13px;letter-spacing:.02em;box-shadow:0 6px 20px -8px rgba(0,0,0,.7)}
#fx-toggle:hover{border-color:var(--gold);background:var(--panel2)}
#fx-toggle.off{background:var(--gold);color:#1a1200;border-color:var(--gold);animation:fxnudge 1.8s ease-in-out infinite!important}
@keyframes fxnudge{0%,100%{box-shadow:0 0 0 0 rgba(255,203,69,.6)}50%{box-shadow:0 0 0 8px rgba(255,203,69,0)}}