:root {
  --bg: #08121c;
  --panel: #0f1b2a;
  --panel-border: #183049;
  --text: #e7edf5;
  --muted: #9fb2c8;
  --accent: #26d07c;
  --error: #f26d6d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 20% -10%, #16324d, transparent),
    linear-gradient(160deg, #08121c 0%, #0b1622 45%, #0a131f 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.wrap {
  width: 100%;
  max-width: 620px;
}

h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.muted {
  margin: 0 0 16px;
  color: var(--muted);
}

.panel {
  background: linear-gradient(180deg, #0f1b2a, #0d1826);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.35);
}

.status {
  margin-bottom: 14px;
}

.btn {
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #062015;
  font-weight: 700;
  padding: 10px 14px;
  cursor: pointer;
}

.qr-box {
  margin-top: 16px;
  min-height: 220px;
  border-radius: 10px;
  border: 1px solid #20364e;
  background: #0a1320;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}

.qr-box img {
  max-width: 260px;
  width: 100%;
  height: auto;
}

.error {
  margin-top: 12px;
  color: var(--error);
}