:root {
  --bg: #0b1220;
  --text: #e6eef8;
  --accent: #7dd3fc;
  --glass: rgba(255,255,255,0.03);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fb;
    --text: #071127;
    --accent: #0ea5e9;
  }
}

html, body {
  height: 100%;
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg), #071127 60%);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wrap {
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.card {
  background: rgba(255,255,255,0.02);
  border-radius: 12px;
  padding: 40px 28px;
  box-shadow: 0 8px 30px rgba(2,6,23,0.5);
  backdrop-filter: blur(6px);
  max-width: 680px;
  width: 100%;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 56px);
  letter-spacing: -0.02em;
}

p {
  margin-top: 12px;
  color: rgba(230,238,248,0.75);
  font-size: 15px;
}

.small {
  margin-top: 14px;
  font-size: 13px;
  color: rgba(230,238,248,0.55);
}

a {
  color: var(--accent);
  text-decoration: none;
}