:root{--bg: #0b0f14;--card: rgba(19, 26, 36, .9);--text: #e7eefc;--muted: rgba(231, 238, 252, .65);--green: #37d67a;--danger: #ff5a5a;--line: rgba(255, 255, 255, .12);--shadow: 0 18px 60px rgba(0,0,0,.45);--radius: 18px}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;color:var(--text);background:radial-gradient(circle at 20% 10%,rgba(55,214,122,.12),transparent 40%),radial-gradient(circle at 80% 10%,rgba(69,120,255,.12),transparent 40%),var(--bg)}.page{min-height:100vh;display:grid;place-items:center;padding:24px}.card{width:min(720px,96vw);background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.title{margin:0 0 6px;font-size:28px}.muted{color:var(--muted)}.small{font-size:12px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.break{word-break:break-all}.green{color:var(--green)}.hr{border:none;border-top:1px solid var(--line);margin:16px 0}.row{display:grid;grid-template-columns:140px 1fr;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.08)}.row:last-child{border-bottom:none}.label{color:var(--muted)}.value{display:flex;align-items:center;gap:10px}.input{width:100%;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:#00000040;color:var(--text);outline:none;font-size:16px}.amountInput{font-size:22px;font-weight:700}.btnRow{display:flex;gap:10px;align-items:center}.btnRow.wrap{flex-wrap:wrap}.btn{border:1px solid var(--line);background:#0000002e;color:var(--text);padding:12px 14px;border-radius:14px;cursor:pointer;text-decoration:none;display:inline-flex;justify-content:center;align-items:center;gap:8px}.btn:hover{border-color:#ffffff40}.btn.primary{background:linear-gradient(180deg,#37d67a,#1ea058);border:none;color:#08110c;font-weight:800}.btn.secondary{background:#ffffff0f}.btn.big{width:100%;padding:16px;font-size:18px;border-radius:16px}.warn{margin:12px 0;padding:12px;border-radius:14px;border:1px solid rgba(255,200,0,.25);background:#ffc80014}.errorBox{margin-top:12px;padding:12px;border-radius:14px;border:1px solid rgba(255,90,90,.35);background:#ff5a5a1f}.walletBox{margin:10px 0;display:grid;gap:10px}.stack{display:grid;gap:10px}.posCard{width:min(920px,96vw)}.posHeader{display:flex;justify-content:space-between;align-items:center;gap:10px}.posAmountBox{margin-top:10px;padding:14px;border:1px solid var(--line);border-radius:16px;background:#0000002e}.posAmount{font-size:46px;font-weight:900;letter-spacing:1px;margin-top:6px}.toggle{display:flex;gap:10px;align-items:center;margin-top:10px;color:var(--muted)}.keypad{margin-top:14px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.key{padding:16px;font-size:20px;border-radius:16px;border:1px solid var(--line);background:#ffffff0a;color:var(--text);cursor:pointer}.key.danger{background:#ff5a5a29;border-color:#ff5a5a4d}.qrArea{margin-top:16px;display:grid;gap:10px}.qrBox{width:fit-content;padding:14px;border-radius:16px;background:#fff}