:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17324d;
  background: #edf6fa;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
}

.page {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 32px 20px;
  background:
    radial-gradient(circle at 20% 20%, rgb(60 181 191 / 20%), transparent 35%),
    radial-gradient(circle at 80% 80%, rgb(87 132 211 / 18%), transparent 35%);
}

.card {
  width: min(100%, 600px);
  padding: 48px;
  text-align: center;
  background: rgb(255 255 255 / 92%);
  border: 1px solid rgb(23 50 77 / 10%);
  border-radius: 24px;
  box-shadow: 0 24px 70px rgb(30 70 100 / 14%);
}

.mark {
  display: block;
  margin: 0 auto 20px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #287f8b;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

h1 {
  margin: 0;
  font-size: clamp(1.8rem, 6vw, 2.8rem);
  line-height: 1.3;
}

.message {
  margin: 16px 0 32px;
  color: #5e7184;
}

.checks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: 0;
  overflow: hidden;
  text-align: left;
  background: #dce8ee;
  border: 1px solid #dce8ee;
  border-radius: 12px;
}

.checks div {
  padding: 14px 16px;
  background: #f8fbfc;
}

.checks dt {
  margin-bottom: 4px;
  color: #687b8c;
  font-size: 0.75rem;
}

.checks dd {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
}

.ok {
  color: #16805d;
}

.timestamp {
  min-height: 1.4em;
  margin: 20px 0 0;
  color: #7b8b99;
  font-size: 0.78rem;
}

@media (max-width: 520px) {
  .card {
    padding: 36px 22px;
  }

  .checks {
    grid-template-columns: 1fr;
  }
}