:root {
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #ede9fe;
  --bg: #f8f7ff;
  --surface: #ffffff;
  --border: #e7e3ef;
  --text: #0f172a;
  --text-2: #475569;
  --warn-bg: #fffbeb;
  --warn-text: #b45309;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0f1a;
    --surface: #1e1b2e;
    --border: #39344b;
    --text: #f8fafc;
    --text-2: #cbd5e1;
    --primary-light: #31265a;
    --warn-bg: #2a2412;
    --warn-text: #fbbf24;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
a { color: var(--primary); }
header, main, footer { width: 100%; max-width: 760px; margin: 0 auto; padding: 16px 20px; }
header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.brand { font-weight: 700; font-size: 20px; text-decoration: none; color: var(--text); }
.brand span { color: var(--primary); }
nav a { margin-inline-start: 16px; text-decoration: none; color: var(--text-2); }
nav a:hover { color: var(--primary); }
h1 { font-size: 32px; line-height: 1.2; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
.lead { font-size: 18px; color: var(--text-2); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  margin: 16px 0;
  box-shadow: 0 4px 16px rgba(25, 23, 42, 0.06);
}
.draft {
  background: var(--warn-bg);
  color: var(--warn-text);
  border: 1px solid var(--warn-text);
  border-radius: 12px;
  padding: 12px 16px;
  margin: 16px 0;
}
.button {
  display: inline-block;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 16px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border: 0;
  font: inherit;
  cursor: pointer;
}
.button.secondary { background: transparent; color: var(--primary); border: 1px solid var(--border); }
.code {
  font: 600 28px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 2px;
  background: var(--primary-light);
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  margin: 16px 0;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 16px 0; }
footer { color: var(--text-2); font-size: 14px; border-top: 1px solid var(--border); margin-top: 32px; }
[hidden] { display: none !important; }