:root {
  --bg: #0f1222;
  --card: #1a1e33;
  --text: #e8eaf6;
  --muted: #9aa0c3;
  --accent: #7c5cff;
  --accent-2: #4dd0e1;
  --border: #2a2f52;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  color: var(--accent-2);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.75rem;
}

th, td {
  text-align: left;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 500;
  width: 40%;
}

pre {
  background: #0b0e1c;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  margin: 0.5rem 0 0.75rem;
}

code {
  font-family: "SF Mono", SFMono-Regular, ui-monospace, Menlo, monospace;
  font-size: 0.85rem;
  color: var(--accent-2);
}

.hint {
  color: var(--muted);
  font-size: 0.85rem;
}

ol {
  padding-left: 1.25rem;
}

ol li {
  margin-bottom: 0.4rem;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 2rem;
}

footer a {
  color: var(--accent-2);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}