:root {
  --bg: #f7fafc;
  --card: #fff;
  --muted: #6b7280;
  --accent: #0ea5a4;
  --code-bg: #0f172a;
  --code-color: #e6eef8;
  --radius: 12px;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    "Inter",
    ui-sans-serif,
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial;
  background: var(--bg);
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.card {
  background: var(--card);
  padding: 28px;
  border-radius: var(--radius);
  max-width: 760px;
  width: 100%;
  box-shadow: 0 6px 20px rgba(2, 6, 23, 0.08);
  border: 1px solid rgba(15, 23, 42, 0.04);
}

h1 {
  margin: 0 0 6px 0;
  font-weight: 600;
  font-size: 1.375rem;
  color: #0f172a;
}

p {
  margin: 6px 0;
  color: var(--muted);
}

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

code,
pre {
  font-family:
    ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Helvetica Neue", monospace;
  font-size: 0.9rem;
}

pre.api {
  margin-top: 16px;
  background: var(--code-bg);
  color: var(--code-color);
  padding: 12px 16px;
  border-radius: 8px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}