/* ===== TopUpZone — dark gaming theme ===== */
:root{
  --bg:#0a0e1a; --bg2:#111830; --card:#151d38; --card2:#1a2450;
  --line:#26315c; --txt:#eef1ff; --muted:#9aa4c7;
  --acc:#7c5cff; --acc2:#00e5cc; --warn:#ffb020; --ok:#22c55e; --wa:#25d366;
  --r:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--bg);color:var(--txt);font-family:'Segoe UI',system-ui,-apple-system,sans-serif;min-height:100vh}
.container{max-width:1140px;margin:0 auto;padding:0 16px}
a{color:inherit;text-decoration:none}

/* header */
.header{background:rgba(10,14,26,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.logo{font-size:22px;font-weight:800;white-space:nowrap}
.logo span{background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
.search-wrap{flex:1;position:relative;max-width:420px;margin-left:auto}
.search-wrap input{width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);border-radius:999px;padding:10px 40px 10px 16px;font-size:14px;outline:none}
.search-wrap input:focus{border-color:var(--acc)}
.search-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);opacity:.6}
.nav{display:flex;gap:18px;font-size:14px;font-weight:600}
.nav a:hover{color:var(--acc2)}
.menu-btn{display:none;background:none;border:none;color:var(--txt);font-size:22px;cursor:pointer}
.mobile-nav{display:none;flex-direction:column;padding:8px 16px 14px;gap:10px;border-top:1px solid var(--line)}
.mobile-nav.open{display:flex}

/* hero */
.hero{background:linear-gradient(120deg,#1b1440,#0b2b3a);border:1px solid var(--line);border-radius:var(--r);padding:40px 28px;margin:22px 0;position:relative;overflow:hidden}
.hero::after{content:'⚡';position:absolute;right:24px;top:50%;transform:translateY(-50%) rotate(-12deg);font-size:120px;opacity:.12}
.hero h1{font-size:30px;margin-bottom:8px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--acc2),var(--acc));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);max-width:520px;font-size:15px}
.hero-badges{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.hbadge{background:rgba(255,255,255,.07);border:1px solid var(--line);padding:7px 14px;border-radius:999px;font-size:13px}

/* sections */
.sec-title{font-size:20px;margin:26px 0 14px;display:flex;align-items:center;gap:10px}
.sec-title::after{content:'';flex:1;height:1px;background:var(--line)}
.cat-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.cat{padding:8px 16px;border-radius:999px;background:var(--bg2);border:1px solid var(--line);font-size:13px;cursor:pointer;color:var(--muted)}
.cat.active,.cat:hover{background:var(--acc);border-color:var(--acc);color:#fff}

/* game grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}
.gcard{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;cursor:pointer;transition:.2s;position:relative}
.gcard:hover{transform:translateY(-4px);border-color:var(--acc);box-shadow:0 10px 30px rgba(124,92,255,.25)}
.gart{height:110px;display:flex;align-items:center;justify-content:center;font-size:46px;position:relative}
.gbadge{position:absolute;top:8px;left:8px;background:var(--warn);color:#000;font-size:10px;font-weight:800;padding:3px 8px;border-radius:6px}
.ginfo{padding:10px 12px}
.ginfo h3{font-size:14px;margin-bottom:2px}
.ginfo p{font-size:11px;color:var(--muted)}
.gprice{font-size:12px;color:var(--acc2);font-weight:700;margin-top:4px}

/* detail */
.back{background:none;border:1px solid var(--line);color:var(--txt);padding:8px 14px;border-radius:10px;cursor:pointer;margin:18px 0;font-size:13px}
.detail-head{display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:18px;flex-wrap:wrap}
.detail-art{width:96px;height:96px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:48px;flex-shrink:0}
.detail-head h2{font-size:22px}
.detail-head p{color:var(--muted);font-size:13px;margin-top:4px}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:16px}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--acc);font-weight:800;font-size:14px;margin-right:8px}
.step h3{font-size:16px;margin-bottom:12px}
.field{margin-bottom:12px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field select{width:100%;background:var(--bg2);border:1px solid var(--line);color:var(--txt);border-radius:10px;padding:11px 14px;font-size:14px;outline:none}
.field input:focus{border-color:var(--acc)}
.denom-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.denom{background:var(--bg2);border:2px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;transition:.15s;text-align:center}
.denom:hover{border-color:var(--acc)}
.denom.sel{border-color:var(--acc2);background:rgba(0,229,204,.08)}
.denom .dn{font-weight:700;font-size:14px}
.denom .dp{color:var(--acc2);font-weight:800;margin-top:4px;font-size:14px}
.denom .db{font-size:11px;color:var(--warn)}
.pay-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.pay{background:var(--bg2);border:2px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;text-align:center;font-size:13px;font-weight:600}
.pay:hover{border-color:var(--acc)}
.pay.sel{border-color:var(--acc2);background:rgba(0,229,204,.08)}
.pay small{display:block;color:var(--muted);font-weight:400;margin-top:4px;font-size:11px}
.summary{background:var(--bg2);border:1px dashed var(--line);border-radius:12px;padding:14px;font-size:14px}
.summary .row{display:flex;justify-content:space-between;margin-bottom:8px}
.summary .total{border-top:1px solid var(--line);padding-top:10px;font-weight:800;font-size:17px}
.summary .total span:last-child{color:var(--acc2)}
.btn{display:inline-block;border:none;cursor:pointer;font-weight:700;border-radius:12px;padding:13px 26px;font-size:15px;transition:.15s}
.btn-primary{background:linear-gradient(90deg,var(--acc),#9d7bff);color:#fff;width:100%}
.btn-primary:hover{filter:brightness(1.1)}
.btn-wa{background:var(--wa);color:#fff}
.btn-ghost{background:var(--bg2);border:1px solid var(--line);color:var(--txt)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.7);display:none;align-items:flex-start;justify-content:center;z-index:100;padding:20px;overflow-y:auto}
.modal-backdrop.open{display:flex}
.modal{background:var(--card);border:1px solid var(--line);border-radius:18px;max-width:520px;width:100%;margin:30px 0;animation:pop .2s}
@keyframes pop{from{transform:scale(.96);opacity:0}}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:17px}
.close-btn{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer}
.modal-body{padding:20px}
.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv span:first-child{color:var(--muted)}
.paybox{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center;margin:14px 0}
.paybox .big{font-size:22px;font-weight:800;color:var(--acc2);margin:6px 0}
.countdown{font-size:13px;color:var(--warn);font-weight:700}

/* track */
.order-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:12px}
.order-card .oid{font-weight:800;font-size:15px}
.status{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;margin-top:6px}
.st-wait{background:rgba(255,176,32,.15);color:var(--warn)}
.st-done{background:rgba(34,197,94,.15);color:var(--ok)}

/* footer */
.footer{margin-top:50px;border-top:1px solid var(--line);background:var(--bg2)}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;padding:34px 16px}
.footer h4{margin-bottom:10px;font-size:15px}
.footer p,.footer a{color:var(--muted);font-size:13px;display:block;margin-bottom:6px}
.footer a:hover{color:var(--acc2)}
.footer .pay-badges{line-height:1.8}
.footer-bottom{text-align:center;padding:14px;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--card2);border:1px solid var(--acc);padding:12px 22px;border-radius:12px;font-size:14px;z-index:200;transition:.3s;opacity:0;max-width:90vw}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

.empty{text-align:center;color:var(--muted);padding:40px 0}
.note{background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.3);border-radius:10px;padding:10px 14px;font-size:13px;color:var(--warn);margin-bottom:12px}

@media(max-width:640px){
  .nav{display:none}.menu-btn{display:block}
  .hero h1{font-size:23px}.hero{padding:28px 20px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
  .denom-grid{grid-template-columns:repeat(2,1fr)}
}