:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #1d1818;
  color: #ffffff;
  padding: 24px;
}

.card {
  max-width: 420px;
  width: 100%;
  background: #232323;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
}

.event-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.2em;
  margin: 16px 0 24px;
  font-size: 20px;
}

.button {
  display: inline-block;
  background: #cacaca;
  color: #000000;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 20px;
  border-radius: 12px;
}

.hint {
  color: #7e7e7e;
  font-size: 14px;
  margin-top: 20px;
}