.x-overlay{position:fixed;inset:0;z-index:2147483646;display:flex;align-items:center;justify-content:center}
.x-overlay-backdrop{position:absolute;inset:0;background:rgba(0,0,0,0.85);backdrop-filter:blur(2px)}
.x-overlay-card{position:relative;z-index:1;background:#0f1720;color:#e8f0f6;border:1px solid rgba(255,255,255,0.08);border-radius:16px;box-shadow:0 12px 36px rgba(0,0,0,0.45);padding:24px;max-width:420px;width:calc(100% - 32px)}
.x-header{display:flex;align-items:center;justify-content:center;margin-bottom:16px;position:relative}
.x-header .x-close{position:absolute;right:0;top:0}
.x-title{font-size:20px;font-weight:700;margin:0}
.x-close{appearance:none;border:0;background:transparent;color:#9fb0c0;font-size:22px;line-height:1;cursor:pointer}
.x-body{display:flex;flex-direction:column;align-items:center;text-align:center}
.x-amount{margin:4px 0 10px;color:#9fb0c0}
.x-qr{width:240px;height:240px;border-radius:12px;border:1px solid rgba(255,255,255,0.08);background:#0b1117;margin:12px 0;object-fit:contain}
.x-action{margin:10px 0}
.x-btn{display:inline-flex;align-items:center;gap:8px;background:#1652F0;color:#fff;border-radius:10px;padding:12px 18px;text-decoration:none;font-weight:600}
.x-status{margin-top:12px;color:#9fb0c0;font-size:14px}
.x-spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,0.2);border-top-color:#fff;border-radius:50%;animation:xspin 1s linear infinite;display:inline-block;margin-right:8px;vertical-align:-3px}
@keyframes xspin{to{transform:rotate(360deg)}}

@media (max-width: 768px){
  .x-overlay-card{max-width:360px;padding:20px}
  .x-qr{display:none}
}