:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #eff6ff;
  color: #172554;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at top right, #dbeafe 0, transparent 42%),
    linear-gradient(145deg, #eff6ff, #f8fafc 52%, #e0f2fe);
}

.page-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.test-card {
  width: min(100%, 720px);
  padding: clamp(28px, 6vw, 56px);
  border: 1px solid #bfdbfe;
  border-radius: 24px;
  background: rgb(255 255 255 / 93%);
  box-shadow: 0 20px 55px rgb(30 64 175 / 14%);
}

.environment-badge {
  display: inline-flex;
  border-radius: 999px;
  background: #1d4ed8;
  color: #fff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  padding: 0.48rem 0.8rem;
}

.eyebrow {
  margin: 1.8rem 0 0;
  color: #2563eb;
  font-size: 0.88rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

h1 {
  margin: 0.45rem 0 1rem;
  color: #172554;
  font-size: clamp(2rem, 6vw, 3.4rem);
  letter-spacing: -0.045em;
  line-height: 1.03;
}

.intro {
  max-width: 58ch;
  margin: 0;
  color: #334155;
  font-size: 1.05rem;
  line-height: 1.65;
}

.details {
  display: grid;
  gap: 1px;
  overflow: hidden;
  margin: 2rem 0 1.5rem;
  border: 1px solid #dbeafe;
  border-radius: 14px;
  background: #dbeafe;
}

.details > div {
  display: grid;
  gap: 0.4rem;
  padding: 1rem 1.15rem;
  background: #fff;
}

dt {
  color: #475569;
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

dd {
  margin: 0;
  color: #0f172a;
  font-weight: 650;
  line-height: 1.45;
}

.breakable {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.notice {
  margin: 0;
  padding: 1rem 1.15rem;
  border-left: 4px solid #60a5fa;
  border-radius: 0 8px 8px 0;
  background: #eff6ff;
  color: #334155;
  font-size: 0.92rem;
  line-height: 1.55;
}

@media (max-width: 520px) {
  .page-shell {
    padding: 14px;
  }

  .test-card {
    padding: 28px 22px;
    border-radius: 18px;
  }
}