:root {
  --bg: #0e0f0f;
  --card: #17181a;
  --inset: #202124;
  --text: #f4f4f4;
  --muted: #9a9aa2;
  --neon: #21d081;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px 16px;
}

.card {
  width: 100%;
  max-width: 420px;
  padding: 32px 24px;
  border-radius: 22px;
  background: var(--card);
  text-align: center;
}

.logo {
  display: block;
  width: 132px;
  height: auto;
  margin: 0 auto 20px;
}

h1 {
  margin: 0 0 10px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.lead {
  margin: 0 0 26px;
  font-size: 15px;
  line-height: 1.45;
  color: var(--muted);
}

.button {
  display: block;
  width: 100%;
  padding: 15px 18px;
  margin-bottom: 10px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
}

.primary {
  background: var(--neon);
  color: #0e0f0f;
}

.secondary {
  background: var(--inset);
  color: var(--text);
}

.code-box {
  margin-top: 22px;
  padding: 18px 16px;
  border-radius: 16px;
  background: var(--inset);
}

.code-label {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
}

.code {
  margin: 0 0 12px;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 6px;
  overflow-wrap: anywhere;
}

.copy {
  padding: 9px 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: transparent;
  color: var(--neon);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.help {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--muted);
}