:root {
  color-scheme: dark light;
  --bg: #0b0d10;
  --fg: #e8eaed;
  --muted: #9aa0a6;
  --accent: #f08c1e;
  --error: #ff6b6b;
  --card: #14171b;
  --border: #2a2f36;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100vh; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  display: grid;
  place-items: center;
}
main { width: 100%; max-width: 480px; padding: 24px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
h1 { font-size: 1.4rem; margin: 0 0 4px; }
.muted { color: var(--muted); }
.error { color: var(--error); margin: 8px 0 0; }
form { display: grid; gap: 12px; margin-top: 16px; }
label { display: grid; gap: 4px; font-size: 0.85rem; color: var(--muted); }
input {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font: inherit;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
button {
  background: var(--accent);
  color: #111;
  border: 0;
  border-radius: 6px;
  padding: 10px 16px;
  font: 600 inherit;
  cursor: pointer;
}
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font: 13px/1.5 ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--muted);
  margin-top: 16px;
}