/* Defio Coupon - giao dien chung (B2). Moi trang deu nap file nay. */
:root{
  --night:#13103A;
  --violet:#6246EA;
  --violet-deep:#4E34D1;
  --violet-soft:#EFECFF;
  --glow:#8B7BFF;
  --page:#F6F5FB;
  --white:#FFFFFF;
  --ink:#1A1733;
  --ink-soft:#615D7E;
  --line:#E6E3F2;
  --mint:#14B88F;
  --sans:"Geist",system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,monospace;
  --serif:"Newsreader",Georgia,serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--ink);font:400 15px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--glow);outline-offset:3px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* ===== header ===== */
.top{background:var(--night);color:#fff;position:relative;overflow:hidden}
.top.hero-top::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:22px 22px;mask-image:linear-gradient(180deg,#000 30%,transparent 100%);-webkit-mask-image:linear-gradient(180deg,#000 30%,transparent 100%)}
.top.hero-top::after{content:"";position:absolute;width:760px;height:760px;left:50%;top:-420px;transform:translateX(-50%);background:radial-gradient(circle,rgba(98,70,234,.55),transparent 65%);pointer-events:none}
.hd{position:relative;z-index:6;display:flex;align-items:center;gap:28px;height:66px}
.hero-top .hd{border-bottom:1px solid rgba(255,255,255,.08)}
.brand{display:flex;align-items:center;gap:10px;font:700 19px/1 var(--sans);letter-spacing:-.02em;flex-shrink:0}
.brand-mark{width:28px;height:28px;flex-shrink:0;display:block}
.brand .brand-sub{color:rgba(255,255,255,.55);font-weight:500}
.nav{display:flex;gap:24px;font-size:14px;color:rgba(255,255,255,.72)}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.hd-search{margin-left:auto;position:relative;width:280px}
.hd-search input{width:100%;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#fff;padding:0 12px 0 36px;font:500 14px var(--sans)}
.hd-search input::placeholder{color:rgba(255,255,255,.5)}
.hd-search input:focus{outline:none;background:#fff;color:var(--ink);border-color:#fff}
.hd-search svg{position:absolute;left:11px;top:11px;width:16px;height:16px;stroke:rgba(255,255,255,.6);fill:none;stroke-width:2}
.hd-right{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7)}
.live{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(20,184,143,.2)}

/* page title band for inner pages */
.band{position:relative;z-index:2;padding:34px 0 38px}
.band h1{font:600 clamp(28px,4vw,42px)/1.1 var(--sans);letter-spacing:-.035em;margin:0 0 8px}
.band p{margin:0;color:rgba(255,255,255,.68);font-size:16px;max-width:60ch}
.crumbs{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px}
.crumbs a:hover{color:#fff}
.crumbs span{margin:0 6px;opacity:.5}

/* ===== sections ===== */
.section{margin-top:48px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:14px}
.section-head h2{font:600 24px var(--sans);letter-spacing:-.03em;margin:0}
.section-head p{margin:2px 0 0;color:var(--ink-soft);font-size:14px}
.section-head a.link{font-weight:600;font-size:14px;color:var(--violet)}
.section-head a.link:hover{color:var(--violet-deep)}

/* ===== coupon table rows ===== */
.table{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.thead,.row{display:grid;grid-template-columns:minmax(0,1fr) 120px 190px;gap:24px;align-items:center;padding:0 20px}
.thead{height:40px;background:var(--page);border-bottom:1px solid var(--line);font-size:12px;font-weight:500;color:var(--ink-soft)}
.thead span:nth-child(2){text-align:right}
.row{padding-top:16px;padding-bottom:16px;border-top:1px solid var(--line)}
.row:first-child{border-top:0}
.row:hover{background:#FBFAFF}
.cell-store{display:grid;grid-template-columns:48px minmax(0,1fr);gap:14px;align-items:center}
.logo{width:48px;height:48px;border-radius:11px;border:1px solid var(--line);background:#fff;object-fit:contain;padding:5px}
.logo.fallback{display:grid;place-items:center;font-weight:700;font-size:18px;color:var(--violet);background:var(--violet-soft);border-color:transparent}
.meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);flex-wrap:wrap}
.meta strong{color:var(--ink);font-weight:600}
.ok{display:inline-flex;align-items:center;gap:3px;color:var(--mint);font-weight:500}
.ok svg.i{width:14px;height:14px;stroke-width:2.2}
.excl{display:inline-flex;align-items:center;gap:4px;background:var(--violet-soft);color:var(--violet-deep);font-weight:600;font-size:12px;border-radius:6px;padding:1px 7px}
.excl svg.i{width:12px;height:12px}
.row h3{font:500 15px/1.35 var(--sans);margin:3px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.disc{text-align:right;line-height:1.15}
.disc .big{display:block;font:600 24px/1 var(--sans);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.disc .big.is-word{font-size:14px;letter-spacing:0;font-weight:600}
.disc .small{font-size:12px;color:var(--ink-soft)}
.cta{display:flex;align-items:stretch;height:40px;border-radius:10px;overflow:hidden;font-size:14px;font-weight:600}
.cta .code{flex:1;display:flex;align-items:center;justify-content:center;font:600 13px var(--mono);letter-spacing:.06em;color:var(--ink);background:var(--page);border:1px dashed #BDB6E0;border-right:0;border-radius:10px 0 0 10px}
.cta .go{display:flex;align-items:center;padding:0 14px;background:var(--violet);color:#fff}
.cta.deal .go{flex:1;justify-content:center;gap:6px;border-radius:10px;background:var(--ink)}
.row:hover .cta .go{background:var(--violet-deep)}
.row:hover .cta.deal .go{background:#000}
.more{display:flex;align-items:center;gap:8px;margin:20px auto 0;border:1px solid var(--line);background:#fff;color:var(--ink);font:600 14px var(--sans);border-radius:10px;padding:11px 22px;cursor:pointer}
.more:hover{border-color:var(--ink)}
.more[hidden]{display:none}
.state{padding:48px 24px;text-align:center;color:var(--ink-soft)}
.state a{color:var(--violet);font-weight:600}
.skel{display:grid;grid-template-columns:48px 1fr 190px;gap:14px 24px;align-items:center;padding:16px 20px;border-top:1px solid var(--line)}
.skel:first-child{border-top:0}
.skel i{display:block;height:12px;border-radius:6px;background:linear-gradient(90deg,#EEECF6 25%,#F7F6FC 50%,#EEECF6 75%);background-size:200% 100%;animation:shimmer 1.2s linear infinite}
.skel i.sq{width:48px;height:48px;border-radius:11px}
.skel i.bt{height:40px;border-radius:10px}
.skel div i+i{margin-top:8px;width:60%}
@keyframes shimmer{to{background-position:-200% 0}}

/* ===== image deal cards ===== */
.deal-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.dcard{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .15s,transform .15s}
.dcard:hover{border-color:var(--violet)}
.dcard-img{position:relative;aspect-ratio:4/3;background:var(--page)}
.dcard-img img{width:100%;height:100%;object-fit:contain}
.dcard-badge{position:absolute;left:12px;top:12px;background:var(--ink);color:#fff;font:600 13px var(--sans);border-radius:8px;padding:4px 10px}
.dcard-badge b{font-size:15px;letter-spacing:-.02em}
.dcard-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.dcard-brand{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft)}
.dcard-brand strong{color:var(--ink);font-weight:600}
.dcard-brand img{width:22px;height:22px;border-radius:6px;border:1px solid var(--line);object-fit:contain;background:#fff}
.dcard h3{font:600 15px/1.35 var(--sans);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dcard-foot{margin-top:auto;padding-top:6px;display:flex;justify-content:space-between;align-items:center;font-size:13px}
.dcard-foot .code{font:600 12px var(--mono);border:1px dashed #BDB6E0;border-radius:6px;padding:2px 7px;color:var(--ink)}
.dcard-foot .go{font-weight:600;color:var(--violet)}

/* blog cards */
.post-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.pcard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.pcard:hover{border-color:var(--violet)}
.pcard img{width:100%;aspect-ratio:16/10;object-fit:contain;background:var(--page)}
.pcard div{padding:12px 14px 16px}
.pcard b{display:block;font-size:13px;color:var(--violet);font-weight:600}
.pcard span{display:block;font-weight:600;font-size:15px;line-height:1.35;margin-top:3px}
.pcard p{margin:6px 0 0;color:var(--ink-soft);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== store tiles (A-Z) ===== */
.az-keys{display:flex;flex-wrap:wrap;gap:4px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:5px;margin-bottom:16px}
.az-keys button{min-width:30px;height:30px;padding:0 6px;border:0;border-radius:8px;background:none;font:500 13px var(--mono);color:var(--ink);cursor:pointer}
.az-keys button.all{padding:0 12px;font-family:var(--sans);font-weight:600}
.az-keys button:hover:not(:disabled){background:var(--page);color:var(--violet)}
.az-keys button[aria-pressed="true"]{background:var(--violet);color:#fff}
.az-keys button:disabled{color:#CFCBE0;cursor:default}
.az-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.store{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px 10px 10px}
.store:hover{border-color:var(--violet)}
.store img,.store .fb{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);object-fit:contain;background:#fff;padding:3px}
.store .fb{display:grid;place-items:center;font-weight:700;color:var(--violet);background:var(--violet-soft);border-color:transparent}
.store-name{display:block;font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.store-meta{font-size:12px;color:var(--ink-soft)}
.store-disc{font:600 14px var(--sans);letter-spacing:-.02em;text-align:right;white-space:nowrap}

/* ===== prose (static pages) ===== */
.prose{background:#fff;border:1px solid var(--line);border-radius:16px;padding:36px 40px;max-width:820px;margin:36px auto 0}
.prose h1{font:600 32px/1.15 var(--sans);letter-spacing:-.03em;margin:0 0 18px}
.prose h2{font:600 21px/1.3 var(--sans);margin:30px 0 10px}
.prose p{font:400 17px/1.7 var(--serif);margin:0 0 14px;color:#2B2748}

/* ===== toast ===== */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:12px 18px;border-radius:10px;font-weight:500;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== footer ===== */
footer.site-foot{margin-top:80px;background:var(--night);color:rgba(255,255,255,.62);padding:52px 0 30px;font-size:14px}
.foot{display:grid;grid-template-columns:1.3fr 2fr 1fr;gap:40px}
footer.site-foot .brand{color:#fff;margin-bottom:14px}
footer.site-foot h4{font:600 14px var(--sans);color:#fff;margin:0 0 12px}
.foot-cats{display:grid;grid-template-columns:1fr 1fr;gap:6px 20px}
.foot-links{display:flex;flex-direction:column;gap:6px}
footer.site-foot a:hover{color:#fff}
.foot-note{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:18px;font-size:13px;max-width:80ch}

@media (max-width:980px){
  .thead{display:none}
  .row{grid-template-columns:minmax(0,1fr) 96px;grid-template-areas:"store disc" "cta cta";row-gap:12px}
  .cell-store{grid-area:store}.disc{grid-area:disc}.cta{grid-area:cta}
  .nav{display:none}
}
@media (max-width:820px){
  .foot{grid-template-columns:1fr}
  .hd-search{width:auto;flex:1}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .hd{gap:14px}
  .brand .brand-sub,.hd-right span{display:none}
  .row{padding:16px}
  .cell-store{grid-template-columns:40px minmax(0,1fr);gap:12px}
  .logo{width:40px;height:40px}
  .row h3{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .section-head{flex-direction:column;align-items:start}
  .skel{grid-template-columns:40px 1fr}.skel i.sq{width:40px;height:40px}.skel i.bt{display:none}
  .prose{padding:24px 20px;margin-top:20px}
}
@media (prefers-reduced-motion:reduce){.skel i{animation:none}*{transition:none!important}}