:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #2e9bd6;
  --warn: #c98500;
  --border: #2a3542;
  --danger: #e66767;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}
header, footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
footer {
  border-bottom: none;
  border-top: 1px solid var(--border);
  margin-top: auto;
  font-size: 0.85rem;
}
footer a { color: var(--muted); }
.brand { font-weight: 700; letter-spacing: 0.02em; }
main { max-width: 720px; width: 100%; margin: 1.5rem auto; padding: 0 1rem; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}
h1 { margin: 0 0 0.5rem; font-size: 1.4rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; }
.warn { color: var(--warn); font-size: 0.85rem; margin-top: 1rem; }
.auth-grid {
  display: grid;
  gap: 0.6rem;
  margin: 1.25rem 0;
}
button, input {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 0.65rem 0.9rem;
}
button {
  background: var(--accent);
  color: #041018;
  font-weight: 600;
  cursor: pointer;
}
button.ghost {
  background: transparent;
  color: var(--text);
}
button:hover { filter: brightness(1.08); }
input {
  background: var(--bg);
  color: var(--text);
  flex: 1;
  min-width: 0;
}
.row { display: flex; gap: 0.5rem; }
.magic { margin-top: 0.5rem; }
.magic label { display: block; margin-bottom: 0.35rem; color: var(--muted); font-size: 0.9rem; }
.log {
  min-height: 220px;
  max-height: 420px;
  overflow: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  margin: 1rem 0;
  white-space: pre-wrap;
  font-size: 0.9rem;
}
.bubble { margin: 0.4rem 0; }
.bubble.user { color: var(--accent); }
.bubble.assistant { color: var(--text); }
.bubble.system { color: var(--muted); font-size: 0.8rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
#userbar { display: flex; gap: 0.75rem; align-items: center; }
button.secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.password-signin {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin: 1.25rem 0 0.75rem;
}
.password-signin label {
  color: var(--muted);
  font-size: 0.9rem;
}
.password-signin button[type="submit"] {
  margin-top: 0.35rem;
}
.divider {
  text-align: center;
  margin: 1rem 0 0.25rem;
  position: relative;
}
.second-factor {
  margin-top: 1rem;
}
.second-factor h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}
.second-factor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
  align-items: center;
}
.second-factor .warn {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}