:root {
  /* Plan U Task U20: the web app's tokens (apps/web/src/styles/tokens.css). No new colours. */
  --bg: #0b0b0c;
  --card: #161618;
  --text: #e9eaed;
  --muted: #898990;
  --accent: #f0b429;
  --accent-text: #0b0b0c;
  --ok: #34d399;
  --error: #fb6a78;
  --warn: #f5a623;
  --border: #212125;
  /* No font links: the page is SRI-pinned (Deviation 15); installed faces are used, system fallbacks otherwise. */
  --font-text: 'Onest', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', Menlo, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--font-text);
}
.card {
  max-width: 34rem;
  margin: 3rem auto;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
}
h1 { font-size: 1.35rem; margin: 0 0 0.5rem; }
.lead, .help { color: var(--muted); }
.help { font-size: 0.85rem; margin: 0.25rem 0 1rem; }
label { display: block; font-weight: 600; margin-top: 0.75rem; }
.field { display: flex; gap: 0.5rem; margin-top: 0.25rem; }
input {
  flex: 1;
  min-width: 0;
  padding: 0.55rem 0.7rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
}
input, .mono { font-family: var(--font-mono); }
button {
  padding: 0.55rem 0.9rem;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}
button.primary { width: 100%; margin-top: 1rem; background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button:disabled { opacity: 0.5; cursor: default; }
.status { padding: 0.6rem 0.8rem; border-radius: 6px; background: var(--bg); }
.status.error { color: var(--error); }
.ticks { list-style: none; padding: 0; margin: 1rem 0 0; }
.tick { padding: 0.3rem 0 0.3rem 1.6rem; position: relative; color: var(--muted); }
.tick::before { content: "\25CB"; position: absolute; left: 0.2rem; }
.tick.ok { color: var(--text); }
.tick.ok::before { content: "\2713"; color: var(--ok); }
.dev-banner { background: #7c2d12; color: #fff; padding: 0.4rem 0.7rem; border-radius: 6px; }
@media (max-width: 40rem) { .card { margin: 0; border-radius: 0; min-height: 100vh; } }
.security-lines { list-style: none; padding: 0; margin: 0.75rem 0; }
.security-lines li { padding: 0.2rem 0 0.2rem 1.4rem; position: relative; }
.security-lines li::before { content: "\2022"; position: absolute; left: 0.4rem; color: var(--accent); }
.address-line { font-size: 0.85rem; color: var(--muted); border-left: 2px solid var(--accent); padding-left: 0.6rem; margin: 0 0 1rem; }
.how-link { margin: 0 0 0.5rem; font-size: 0.85rem; }
.how-link a { color: var(--accent); }