* {
  margin: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(160deg, #050608, #0a1810 60%, #0e2218);
  font-family: system-ui, sans-serif;
}

.qr-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 28px;
}

.qr-wrap img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
}

.card {
  width: 380px;
  padding: 36px;
  border-radius: 20px;
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(40px);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  text-align: center;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  color: #ecfdf5;
  margin-bottom: 6px;
}

.subtitle {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 28px;
}

.qr-wrap::before {
  content: "";
  position: absolute;
  top: -8px;
  left: -8px;
  width: 32px;
  height: 32px;
  border-top: 3px solid #10b981;
  border-left: 3px solid #10b981;
  border-radius: 4px 0 0 0;
}

.qr-wrap::after {
  content: "";
  position: absolute;
  bottom: -8px;
  right: -8px;
  width: 32px;
  height: 32px;
  border-bottom: 3px solid #10b981;
  border-right: 3px solid #10b981;
  border-radius: 0 0 4px 0;
}

.link {
  padding: 10px 18px;
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  display: inline-block;
  margin-bottom: 12px;
}

.link span {
  color: #34d399;
}

.hint {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}