/* NAB STORE — MONOCHROME TECH UI
   Original visual direction: black / white / grey. Responsive, no copied branding. */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root{--paper:#f1f1ef;--white:#fff;--ink:#101010;--muted:#666663;--line:#c9c9c5;--soft:#e5e5e1;--soft2:#d7d7d2;--shadow:7px 7px 0 #111;--radius:22px;--font:'Be Vietnam Pro',Arial,sans-serif;--display:'Space Grotesk','Be Vietnam Pro',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.6;overflow-x:hidden}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit}img,video,iframe{max-width:100%}::selection{background:#111;color:#fff}
.man-hinh{min-height:100vh}.man-hinh[style*="display:none"]{display:none!important}
/* LOGIN */
#man-hinh-login{display:flex;align-items:center;justify-content:center;padding:36px 20px;background:radial-gradient(ellipse at 12% 5%,#fff 0,transparent 42%),var(--paper)}.login-shell{width:min(1080px,100%);position:relative;display:grid;grid-template-columns:1fr;justify-items:center}.login-orbit{position:absolute;width:360px;height:360px;border:1px solid #d2d2cd;border-radius:50%;right:2%;top:-8%;pointer-events:none}.the-login{position:relative;width:min(510px,100%);padding:42px;background:#fff;border:2px solid var(--ink);border-radius:26px;box-shadow:var(--shadow)}.login-brand{display:flex;align-items:center;gap:13px;margin-bottom:40px}.login-logo,.brand-mark{display:grid;place-items:center;background:var(--ink);color:#fff;font-family:var(--display);font-weight:900;border-radius:12px}.login-logo{width:48px;height:48px;font-size:22px}.login-brand span,.login-brand strong{display:block;line-height:1.15}.login-brand span{font-size:12px;letter-spacing:.18em;color:var(--muted)}.login-brand strong{font-family:var(--display);font-size:23px;letter-spacing:-.06em}.eyebrow,.modal-kicker,.minigame-kicker{font-family:var(--display);font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.login-copy h1{font-family:var(--display);font-size:clamp(36px,5vw,54px);letter-spacing:-.07em;line-height:1;margin:10px 0 16px}.login-copy p,.login-help p{color:#555;margin:0 0 22px}.login-input-wrap{display:flex;align-items:center;gap:12px;padding:0 15px;border:1.5px solid var(--line);border-radius:12px;background:#f7f7f5;margin:24px 0 12px}.login-input-wrap span{font-size:11px;font-weight:900;letter-spacing:.1em;color:var(--muted)}.login-input-wrap input{width:100%;min-width:0;border:0;outline:0;background:transparent;padding:15px 0;color:var(--ink)}.primary-button,.modal-button{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;border:2px solid var(--ink);border-radius:12px;background:var(--ink);color:#fff;font-weight:900;box-shadow:4px 4px 0 #bdbdb7;transition:transform .18s,box-shadow .18s}.primary-button:hover,.modal-button:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 #bdbdb7}.login-help{border-top:1px solid var(--line);margin-top:28px;padding-top:22px}.login-help p{margin-bottom:5px}.login-help a{font-weight:800;text-decoration-thickness:1px;text-underline-offset:4px}.login-help small{display:block;color:var(--muted);margin:8px 0}.login-help code{background:#eee;padding:2px 5px;border-radius:4px}.video-link{display:inline-block;margin-top:8px}.thong-bao-loi{color:#a02020;font-size:13px;min-height:0}
/* APP / NAV */
.app-layout{min-height:100vh}.topnav{position:relative;z-index:10;width:calc(100% - 40px);max-width:1600px;margin:20px auto 0;background:rgba(255,255,255,.88);border:2px solid var(--ink);border-radius:22px;box-shadow:0 7px 0 var(--ink);backdrop-filter:blur(16px)}.topbar-main{min-height:88px;display:flex;align-items:center;gap:22px;padding:15px 24px}.topnav-brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand-mark{width:48px;height:48px;font-size:25px;border:2px solid var(--ink);box-shadow:3px 3px 0 #bcbcb6}.brand-copy strong,.brand-copy span{display:block;line-height:1.2}.brand-copy strong{font-family:var(--display);font-size:20px;font-weight:900;letter-spacing:-.06em}.brand-copy span{font-size:9px;letter-spacing:.17em;color:var(--muted);margin-top:4px}.account-cluster{display:flex;align-items:center;gap:12px;margin-left:auto;min-width:0}.balance-box,.streak-box{display:flex;align-items:center;gap:9px;border:1.5px solid var(--line);background:#f4f4f1;border-radius:12px;padding:8px 12px;min-height:48px}.balance-icon{font-size:19px;font-weight:900}.balance-box small,.user-meta small{display:block;font-size:9px;font-weight:800;letter-spacing:.13em;color:var(--muted)}.balance-box strong{display:block;font-family:var(--display);font-size:15px;line-height:1.2}.streak-box{gap:6px}.avatar{width:43px;height:43px;display:grid;place-items:center;flex:0 0 auto;border:2px solid var(--ink);border-radius:50%;background:#deded9;font-family:var(--display);font-size:18px;font-weight:900}.user-meta{max-width:150px;min-width:0}.user-meta strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.topnav-logout{width:42px;height:42px;flex:0 0 auto;border:2px solid var(--ink);border-radius:11px;background:#fff;font-size:20px;font-weight:900;transition:background .2s,color .2s}.topnav-logout:hover{background:var(--ink);color:#fff}.nut-hamburger{display:none;width:42px;height:42px;border:2px solid var(--ink);border-radius:10px;background:#fff;padding:9px}.nut-hamburger span{display:block;height:2px;background:var(--ink);margin:4px 0}.topnav-menu{display:flex;align-items:center;gap:10px;padding:0 22px 17px;flex-wrap:wrap}.nav-group{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.nav-label{font-size:9px;font-weight:900;letter-spacing:.15em;color:#777;margin:0 7px}.tab-btn,.topnav-discord{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:9px 12px;border:1.5px solid transparent;border-radius:10px;background:transparent;text-decoration:none;font-size:12px;font-weight:800;white-space:nowrap;transition:all .18s}.tab-btn span{font-family:var(--display);font-size:10px;color:#888}.tab-btn:hover,.topnav-discord:hover{background:#ecece8;border-color:#d4d4ce}.tab-btn.active{background:var(--ink);color:#fff;border-color:var(--ink)}.tab-btn.active span{color:#c9c9c3}.topnav-discord{margin-left:auto;border-color:var(--ink);background:#fff}
/* MAIN / HERO */
.content{width:min(1540px,calc(100% - 44px));max-width:1540px;margin:0 auto;padding:56px 0 72px}.tab-content{display:none;animation:fadeUp .28s ease both}.tab-content.active{display:block}@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.store-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);align-items:center;gap:clamp(35px,5vw,90px);padding:18px 0 68px}.hero-copy{max-width:760px}.hero-copy .eyebrow{display:inline-flex;align-items:center;gap:9px;padding:10px 16px;border:1.5px solid var(--ink);border-radius:9px;background:#fff;box-shadow:4px 4px 0 var(--ink)}.hero-copy h1{font-family:var(--display);font-size:clamp(48px,6.3vw,94px);font-weight:900;letter-spacing:-.085em;line-height:.93;margin:28px 0 24px;text-transform:uppercase}.hero-copy h1 em{font-style:normal;color:#777}.hero-copy p{max-width:660px;font-size:clamp(16px,1.55vw,22px);line-height:1.75;color:#454541;margin:0}.hero-line{display:flex;align-items:center;gap:12px;margin-top:32px;font-family:var(--display);font-size:11px;font-weight:900;letter-spacing:.16em}.hero-line i{width:74px;height:2px;background:var(--ink)}.hero-card{position:relative;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;padding:0;background:#fff;border:2px solid var(--ink);border-radius:24px;box-shadow:9px 9px 0 var(--ink);overflow:hidden}.hero-card:before{content:"";height:58px;display:block;background:var(--ink);border-bottom:2px solid var(--ink)}.hero-card:after{content:"NAB / STORE";position:absolute;top:18px;left:22px;color:#fff;font-family:var(--display);font-size:12px;font-weight:700;letter-spacing:.18em}.hero-card-label{margin:30px 28px 0;color:var(--muted);font-size:11px;font-weight:900;letter-spacing:.15em}.hero-card>strong{display:block;margin:6px 28px 24px;font-family:var(--display);font-size:clamp(48px,5vw,74px);line-height:1;letter-spacing:-.07em;overflow-wrap:anywhere}.hero-card>strong small{font-size:20px;letter-spacing:0;color:var(--muted)}.hero-card-bottom{display:flex;justify-content:space-between;gap:12px;margin-top:auto;padding:18px 28px;background:#f0f0ed;border-top:1px solid var(--line);font-size:10px;font-weight:900;letter-spacing:.12em}.hero-card-bottom span:last-child{color:#3d3d39}
/* HEADINGS / SHOP */
.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:12px 0 24px;padding-bottom:18px;border-bottom:1.5px solid var(--ink)}.section-title{font-family:var(--display);font-size:clamp(28px,3.3vw,44px);font-weight:900;letter-spacing:-.065em;line-height:1.08;margin:8px 0}.section-count{padding:8px 12px;border:1.5px solid var(--ink);border-radius:8px;font-family:var(--display);font-size:10px;font-weight:900;letter-spacing:.1em;background:#fff}.grid-shop{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.product-card,.shop-card,.san-pham-card{min-width:0;background:#fff;border:1.5px solid var(--ink);border-radius:16px;padding:22px;box-shadow:4px 4px 0 #d0d0ca;transition:transform .2s,box-shadow .2s}.product-card:hover,.shop-card:hover,.san-pham-card:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 #c5c5bf}.product-card h3,.shop-card h3,.san-pham-card h3{font-family:var(--display);font-size:20px;line-height:1.25;letter-spacing:-.04em;margin:8px 0}.product-card p,.shop-card p,.san-pham-card p{color:var(--muted)}.product-card button,.shop-card button,.san-pham-card button,.the-form button,.minigame-mode-btn,.minigame-stop-btn{border:2px solid var(--ink);border-radius:10px;background:var(--ink);color:#fff;padding:12px 15px;font-weight:900;transition:transform .18s,background .18s,color .18s}.product-card button:hover,.shop-card button:hover,.san-pham-card button:hover,.the-form button:hover,.minigame-mode-btn:hover,.minigame-stop-btn:hover{transform:translateY(-2px);background:#333}
/* FORMS / LISTS */
.page-heading{max-width:980px;margin:0 auto 30px}.page-heading>p{color:var(--muted);margin:8px 0 0;font-size:15px}.the-form{position:relative;width:min(760px,100%);margin:0 auto;padding:34px;background:#fff;border:1.5px solid var(--ink);border-radius:20px;box-shadow:6px 6px 0 var(--ink);display:flex;flex-direction:column;gap:13px}.the-form-center{text-align:center;align-items:stretch}.form-index,.feature-number{font-family:var(--display);font-size:11px;font-weight:900;letter-spacing:.15em;color:var(--muted)}.feature-number{font-size:12px}.dnhn-icon{font-size:38px}.the-form h3{font-family:var(--display);font-size:27px;letter-spacing:-.05em;margin:0}.the-form p{color:var(--muted);margin:0}.the-form input,.the-form select,.modal-box input{width:100%;min-width:0;padding:14px 15px;border:1.5px solid #c8c8c2;border-radius:10px;background:#f7f7f5;color:var(--ink);outline:none}.the-form input:focus,.the-form select:focus,.modal-box input:focus{border-color:var(--ink);box-shadow:0 0 0 3px #11111112}.the-form button{width:100%;min-height:49px}.thong-bao{font-size:13px;min-height:0}.grid-list{width:min(100%,980px);margin:0 auto;display:grid;gap:12px}.grid-list>div,.list-item,.history-item,.bxh-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px 19px;overflow-wrap:anywhere}.dong-list{display:flex;align-items:center;justify-content:space-between;gap:14px}.grid-list button{max-width:100%}
/* MODALS */
.modal-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:#0008;backdrop-filter:blur(7px)}.modal-box{position:relative;width:min(460px,100%);padding:34px;background:#fff;border:2px solid var(--ink);border-radius:20px;box-shadow:8px 8px 0 var(--ink)}.modal-close{position:absolute;top:12px;right:12px;width:35px;height:35px;border:1.5px solid var(--ink);border-radius:9px;background:#fff;font-size:22px}.modal-icon{font-size:28px;margin-top:18px}.modal-title{font-family:var(--display);font-size:30px;letter-spacing:-.06em;margin:8px 0}.modal-noidung{color:var(--muted)}.modal-box input{margin:10px 0 13px}.modal-button{margin-top:12px}.modal-box .thong-bao-loi{min-height:0}
/* MINIGAME */
.minigame-wrap{width:min(1050px,100%);margin:0 auto;padding:28px;background:#fff;border:1.5px solid var(--ink);border-radius:22px;box-shadow:6px 6px 0 var(--ink);overflow:hidden}.minigame-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.minigame-head h3{font-family:var(--display);font-size:32px;letter-spacing:-.06em;margin:5px 0}.minigame-head p{margin:0;color:var(--muted)}.minigame-cooldown{padding:10px 13px;border:1.5px solid var(--line);border-radius:10px;background:#f2f2ef;font-size:12px;font-weight:800}.minigame-cooldown.ready{border-color:#8caa91;background:#edf4ed}.minigame-cooldown.wait{border-color:#c5b99a;background:#f5f0e5}.minigame-modes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.minigame-mode-btn{display:grid;grid-template-columns:42px 1fr;align-items:center;gap:4px 12px;text-align:left;padding:18px;background:#f5f5f2;color:var(--ink);border-color:var(--line)}.minigame-mode-btn:hover{background:#e8e8e3;color:var(--ink);border-color:var(--ink)}.minigame-mode-icon{grid-row:span 2;display:grid;place-items:center;width:40px;height:40px;border:1.5px solid var(--ink);border-radius:10px;font-family:var(--display);font-weight:900}.minigame-mode-name{font-size:17px;font-weight:900}.minigame-mode-info{font-size:12px;color:var(--muted)}.minigame-message{margin:14px 0;font-size:13px}.minigame-message.success{color:#26753b}.minigame-message.error{color:#a02020}.minigame-game{width:100%;max-width:100%}.minigame-game-top{display:flex;justify-content:space-between;gap:12px;padding:12px 15px;background:var(--ink);color:#fff;border-radius:11px;font-size:13px;font-weight:800}.minigame-board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%;max-width:100%;margin:14px auto;padding:12px;border:1px solid var(--line);border-radius:14px;background:#f0f0ed}.minigame-board.minigame-board-hard{grid-template-columns:repeat(10,minmax(0,1fr));gap:4px}.minigame-card{min-width:0;aspect-ratio:1/1;border:1.5px solid var(--ink);border-radius:9px;background:#fff;color:var(--ink);font-family:var(--display);font-size:clamp(12px,2.1vw,27px);font-weight:900;display:grid;place-items:center;overflow:hidden;transition:background .15s,color .15s}.minigame-board-hard .minigame-card{border-radius:5px;font-size:clamp(8px,1.1vw,16px)}.minigame-card.open{background:#deded8}.minigame-card.match{background:#111;color:#fff}.minigame-card.special{outline:3px solid #8b8b83;outline-offset:-5px}.minigame-board-busy .minigame-card{pointer-events:none;cursor:wait}.minigame-stop-btn{width:100%;margin-top:4px}
/* FOOTER */
.site-footer{width:min(1540px,calc(100% - 44px));margin:0 auto;padding:23px 0 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:18px;color:var(--muted);font-size:11px}.site-footer>div strong,.site-footer>div span{display:block}.site-footer>div strong{font-family:var(--display);color:var(--ink);font-size:14px;letter-spacing:-.04em}.site-footer>span{text-align:right}
/* RESPONSIVE */
@media(max-width:1100px){.topbar-main{gap:12px;padding:14px 17px}.topnav-menu{gap:5px;padding-inline:15px}.nav-label{display:none}.tab-btn,.topnav-discord{padding:8px 9px;font-size:11px}.store-hero{grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:30px}.hero-copy h1{font-size:clamp(45px,6.3vw,72px)}.grid-shop{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.topnav{width:calc(100% - 20px);margin-top:10px;border-radius:17px;box-shadow:0 5px 0 var(--ink)}.topbar-main{min-height:68px;padding:10px 12px;flex-wrap:wrap}.topnav-brand{gap:9px}.brand-mark{width:40px;height:40px;font-size:21px}.brand-copy strong{font-size:17px}.brand-copy span{font-size:8px}.nut-hamburger{display:block;margin-left:auto;order:2}.account-cluster{order:3;width:100%;margin:4px 0 0;gap:7px}.balance-box,.streak-box{min-height:39px;padding:6px 9px}.balance-box strong{font-size:13px}.avatar{width:36px;height:36px;font-size:15px}.user-meta{flex:1;max-width:none}.topnav-logout{width:36px;height:36px}.topnav-menu{display:none;flex-direction:column;align-items:stretch;padding:8px 12px 13px;gap:10px}.topnav-menu.mo{display:flex}.nav-group{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.nav-label{display:none}.tab-btn,.topnav-discord{width:100%;justify-content:flex-start;min-width:0;font-size:12px}.topnav-discord{margin:0}.content{width:calc(100% - 24px);padding:34px 0 48px}.store-hero{grid-template-columns:1fr;gap:28px;padding:6px 0 48px}.hero-copy h1{font-size:clamp(47px,12vw,78px);margin:23px 0 17px}.hero-copy p{font-size:16px;line-height:1.7}.hero-card{min-height:280px;border-radius:18px;box-shadow:6px 6px 0 var(--ink)}.hero-card:before{height:50px}.hero-card:after{top:15px;left:17px}.hero-card-label{margin:24px 20px 0}.hero-card>strong{margin:8px 20px 22px;font-size:clamp(48px,14vw,68px)}.hero-card-bottom{padding:15px 20px}.section-head{align-items:start}.section-title{font-size:34px}.section-count{font-size:9px}.grid-shop{grid-template-columns:1fr}.page-heading{margin-bottom:23px}.the-form{padding:23px 18px;box-shadow:4px 4px 0 var(--ink)}.minigame-wrap{padding:18px;box-shadow:4px 4px 0 var(--ink)}.minigame-head{align-items:stretch;flex-direction:column}.minigame-head h3{font-size:27px}.minigame-modes{grid-template-columns:1fr}.minigame-board{gap:4px;padding:7px}.minigame-board.minigame-board-hard{gap:2px;padding:4px}.minigame-card{border-radius:6px}.minigame-board-hard .minigame-card{border-radius:3px}.site-footer{width:calc(100% - 24px);flex-direction:column;align-items:flex-start;gap:10px}.site-footer>span{text-align:left}.modal-box{padding:28px 22px}}
@media(max-width:420px){.content{width:calc(100% - 18px)}.topnav{width:calc(100% - 14px)}.brand-copy span{letter-spacing:.1em}.balance-box{gap:5px;padding:6px}.balance-icon{font-size:15px}.streak-box{padding:6px}.user-meta strong{font-size:12px}.hero-copy h1{font-size:clamp(42px,11.5vw,56px)}.hero-copy .eyebrow{font-size:9px;padding:8px 10px}.hero-card{min-height:250px}.section-count{display:none}.the-form{padding:20px 14px}.minigame-wrap{padding:12px}.minigame-game-top{font-size:11px}.minigame-board.minigame-board-hard{gap:1px;padding:3px}.minigame-board-hard .minigame-card{font-size:8px;border-width:1px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}


/* SHOP FIX: styles for the actual product markup generated by script_part1.js.
   Scoped to #danh-sach-shop so other forms and buttons remain unchanged. */
#danh-sach-shop.grid-shop{align-items:stretch;gap:22px}
#danh-sach-shop .the-san-pham{
  min-width:0;display:flex;flex-direction:column;align-items:stretch;gap:12px;
  padding:24px;background:var(--white);border:1.5px solid var(--ink);
  border-radius:16px;box-shadow:4px 4px 0 #d0d0ca;
  transition:transform .2s,box-shadow .2s;
}
#danh-sach-shop .the-san-pham:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 #c5c5bf}
#danh-sach-shop .the-san-pham h3{
  margin:0;font-family:var(--display);font-size:clamp(17px,1.4vw,21px);
  line-height:1.3;letter-spacing:-.035em;overflow-wrap:anywhere
}
#danh-sach-shop .the-san-pham .gia{
  display:inline-flex;align-self:flex-start;align-items:center;gap:6px;
  margin:0;padding:7px 10px;border:1px solid var(--line);border-radius:8px;
  background:#f4f4f1;font-weight:800;font-size:14px
}
#danh-sach-shop .the-san-pham .mo-ta{color:#555;font-size:13px;line-height:1.65;overflow-wrap:anywhere}
#danh-sach-shop .the-san-pham .ton-kho{
  color:var(--muted);font-size:12px;font-weight:700;margin-top:auto
}
#danh-sach-shop .the-san-pham .input-soluong-mua{
  width:100%;min-width:0;min-height:44px;padding:10px 12px;
  border:1.5px solid var(--line);border-radius:9px;background:#f8f8f6;color:var(--ink);
  outline:none
}
#danh-sach-shop .the-san-pham .input-soluong-mua:focus{border-color:var(--ink);box-shadow:0 0 0 3px #11111112}
#danh-sach-shop .the-san-pham .nut-mua-ngay{
  width:100%;min-height:46px;padding:11px 15px;border:2px solid var(--ink);
  border-radius:10px;background:var(--ink);color:#fff;font-weight:900;
  letter-spacing:.015em;transition:transform .18s,background .18s,color .18s
}
#danh-sach-shop .the-san-pham .nut-mua-ngay:hover:not(:disabled){transform:translateY(-2px);background:#333}
#danh-sach-shop .the-san-pham .nut-mua-ngay:disabled{opacity:.65;cursor:wait}
@media(max-width:760px){
  #danh-sach-shop.grid-shop{grid-template-columns:minmax(0,1fr);gap:15px}
  #danh-sach-shop .the-san-pham{padding:19px}
}