*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui;background:#03040a;color:#eef6ff;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;inset:0;background:radial-gradient(circle at 20% 10%,rgba(0,240,255,.16),transparent 28%),radial-gradient(circle at 80% 0,rgba(139,92,246,.18),transparent 30%),linear-gradient(135deg,#03040a,#07101f 48%,#03040a);z-index:-3}.orb{position:fixed;border-radius:50%;filter:blur(50px);opacity:.55;z-index:-2}.o1{width:320px;height:320px;background:#00e5ff;left:-90px;top:110px}.o2{width:380px;height:380px;background:#7c3aed;right:-120px;bottom:40px}.shell{width:min(1240px,calc(100% - 32px));margin:0 auto;padding:22px 0 70px}.top{display:flex;justify-content:space-between;align-items:center;padding:16px 0 34px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff}.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#00e5ff,#7c3aed);font-family:Orbitron;font-weight:900;box-shadow:0 0 35px rgba(0,229,255,.4)}.brand b{font-family:Orbitron;font-size:24px}.brand em{font-style:normal;color:#8ea1bd;font-size:12px;border:1px solid rgba(255,255,255,.1);padding:5px 8px;border-radius:999px}.top nav{display:flex;gap:10px}.top nav a{color:#b7c4d8;text-decoration:none;border:1px solid rgba(255,255,255,.1);padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.035)}.card,.login-card,.features div,.notice{background:rgba(8,14,28,.74);border:1px solid rgba(148,163,184,.16);box-shadow:0 24px 70px rgba(0,0,0,.35);backdrop-filter:blur(18px);border-radius:28px}.login-card{padding:55px;max-width:820px;margin:80px auto}.login-card h1{font-size:clamp(34px,7vw,72px);line-height:.95;margin:14px 0}.login-card p,.muted{color:#95a7bf;line-height:1.7}.chip{display:inline-flex;color:#65f4ff;border:1px solid rgba(0,229,255,.22);background:rgba(0,229,255,.08);padding:8px 12px;border-radius:999px;font-size:12px;font-weight:900;letter-spacing:.12em}.primary,.ghost,button{border:0;border-radius:14px;padding:13px 16px;font-weight:900;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.primary{background:linear-gradient(135deg,#00e5ff,#7c3aed);color:#fff;box-shadow:0 18px 55px rgba(0,229,255,.22)}.ghost{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#dbeafe}.wide{width:100%;margin-top:12px}.notice{padding:14px 18px;margin-bottom:18px}.notice.success{border-color:rgba(34,197,94,.35);color:#bbf7d0}.hero-grid{display:grid;grid-template-columns:1.4fr .75fr;gap:18px}.card{padding:24px}.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#8ea1bd}.card-head b{font-family:Orbitron;color:#65f4ff}.balance-card h1{font-size:clamp(46px,8vw,88px);line-height:.9;margin:20px 0 12px;font-family:Orbitron;background:linear-gradient(135deg,#fff,#65f4ff,#a78bfa);-webkit-background-clip:text;color:transparent}.balance-card p{color:#9fb0c9;line-height:1.7;max-width:780px}.actions{display:flex;gap:10px;flex-wrap:wrap}.qr-card{text-align:center}.qr-card #myQr,.pay-qr{background:#fff;border-radius:22px;padding:16px;display:inline-block;margin:12px auto}.grid{display:grid;gap:18px;margin-top:18px}.grid.two{grid-template-columns:1fr 1fr}.form{display:grid;gap:13px}.form label{display:grid;gap:7px;color:#cad7ea;font-weight:800;font-size:13px}.form small{color:#7f91aa}input{width:100%;padding:14px;border-radius:14px;background:rgba(0,0,0,.26);border:1px solid rgba(255,255,255,.1);color:#fff;outline:none;font:inherit}.fee-preview{padding:11px;border-radius:13px;background:rgba(0,229,255,.08);border:1px solid rgba(0,229,255,.18);color:#a5f3fc;font-weight:800}.stripe-state{margin-top:14px;padding:12px;border-radius:14px}.stripe-state.ok{background:rgba(34,197,94,.08);color:#bbf7d0;border:1px solid rgba(34,197,94,.18)}.stripe-state.warn{background:rgba(245,158,11,.08);color:#fde68a;border:1px solid rgba(245,158,11,.18)}.scanner{display:none;margin-top:12px;border:1px dashed rgba(255,255,255,.16);padding:12px;border-radius:16px}.scanner.on{display:block}.scanner video{width:100%;border-radius:14px;background:#000}.tx-list{display:grid;gap:10px}.tx{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid rgba(255,255,255,.08);border-radius:16px;background:rgba(255,255,255,.035)}.tx-icon{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;font-weight:900}.tx-icon.in{background:rgba(34,197,94,.12);color:#86efac}.tx-icon.out{background:rgba(251,113,133,.12);color:#fda4af}.tx b{display:block}.tx small{color:#8ea1bd}.tx strong{font-family:Orbitron}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}.features div{padding:18px}.features b{display:block;margin-bottom:7px}.features span{color:#95a7bf;line-height:1.5}.value div:first-child{border-color:rgba(0,229,255,.28)}.link-list{display:grid;gap:10px;margin-top:16px}.mini-row{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.035);border-radius:15px;padding:12px}.mini-row small{display:block;color:#8ea1bd;word-break:break-all}.copy{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);color:#fff}.pay-card{text-align:center}.pay-meta{display:flex;justify-content:space-between;gap:12px;padding:12px;border-radius:14px;background:rgba(255,255,255,.04);margin:10px 0}.pay-meta b{color:#8ea1bd}#toast{position:fixed;right:18px;bottom:18px;background:#0f172a;border:1px solid rgba(255,255,255,.12);box-shadow:0 20px 70px rgba(0,0,0,.5);padding:14px 16px;border-radius:15px;opacity:0;transform:translateY(12px);transition:.25s;z-index:99}#toast.show{opacity:1;transform:translateY(0)}@media(max-width:980px){.hero-grid,.grid.two{grid-template-columns:1fr}.features{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.shell{width:min(100% - 22px,1240px)}.top{display:grid;gap:14px}.top nav{overflow:auto}.login-card{padding:28px;margin:34px auto}.features{grid-template-columns:1fr}.tx{grid-template-columns:auto 1fr}.tx strong{grid-column:2}.pay-meta{display:grid}.actions .primary,.actions .ghost{flex:1 1 100%}}