:root {
  --bg: #0b0f14;
  --panel: #121821;
  --line: #1e2733;
  --text: #e6edf3;
  --muted: #8b98a5;
  --accent: #23d2d7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", system-ui, Arial, sans-serif;
  display: grid;
  place-items: center;
  padding: 48px;
}

.card {
  width: min(640px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.35);
}

.chip {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
}

h1 {
  margin: 18px 0 8px;
  font-size: 30px;
}

p {
  line-height: 1.6;
  margin: 0 0 8px;
}

.muted {
  color: var(--muted);
  font-size: 14px;
}

code {
  color: var(--accent);
}