:root {
  --ink: #12181F;
  --paper: #FAFAFA;
  --signal-blue: #1E56E8;
  --caution-amber: #C97A2E;
  --data-slate: #5B6472;
  --line: #D8D3C8;
  --candle-up: #5F7D68;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
}

[hidden] { display: none !important; }

.page {
  max-width: 26.5rem;
  margin: 0 auto;
  padding: 1.25rem 1.1rem 3rem;
}

.eyebrow,
.caption,
.strip-heading,
.hint {
  font-family: var(--sans);
  font-weight: 400;
  color: var(--data-slate);
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.45rem;
}

.title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 2.15rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.15rem;
}

.card {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 1.1rem 1.1rem 1.25rem;
  margin: 0 0 1rem;
}

.strip-heading {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 0.7rem;
}

.caption { font-size: 0.75rem; margin: 0; }

form label.caption {
  display: block;
  margin: 0 0 0.28rem;
}

.hint {
  font-size: 0.72rem;
  margin: -0.35rem 0 0.75rem;
}

input[type="text"],
input[type="password"] {
  display: block;
  width: 100%;
  min-height: 2.75rem;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 0 0.7rem;
  margin: 0 0 0.75rem;
}

input:focus {
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

.save-btn {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

.save-btn:disabled {
  cursor: wait;
  opacity: 0.72;
}

.ok {
  color: var(--candle-up, #5F7D68);
  font-size: 0.85rem;
  margin: 0.65rem 0 0;
}

.error {
  color: var(--caution-amber);
  font-size: 0.9rem;
}

.autonomy .strip-heading { margin: 0 0 0.2rem; }