:root {
  --bg: #f6f6f4;
  --card: #ffffff;
  --text: #1c1c1a;
  --muted: #6b6b66;
  --border: #e2e2dd;
  --accent: #1f6f5c;
  --accent-text: #ffffff;
  --danger: #b3261e;
  --ring: #e9f4f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --card: #1e1e1c;
    --text: #ecece8;
    --muted: #9a9a93;
    --border: #33332f;
    --accent: #4fb89c;
    --accent-text: #0d1f1a;
    --danger: #f2827a;
    --ring: #1c2e29;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  max-width: 28rem;
  margin: 0 auto;
  padding: 3rem 1rem;
}

h1 { font-size: 1.5rem; margin: 0 0 0.25rem; }
.lede { color: var(--muted); margin: 0 0 1.5rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.field { display: flex; flex-direction: column; margin-bottom: 1rem; }
.label { color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; }
.value { font-size: 1.6rem; font-weight: 600; }
.pin { letter-spacing: 0.15em; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-variant-numeric: tabular-nums; }

.status { margin: 0.5rem 0 0; font-weight: 500; }
.muted { color: var(--muted); margin: 0.25rem 0 1rem; font-size: 0.9rem; }
.error { color: var(--danger); margin: 0.75rem 0 0; }

.call {
  background: var(--ring);
  border-radius: 10px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.call-title { margin: 0; font-weight: 600; }
.caller { font-size: 1.25rem; margin: 0.25rem 0 0.75rem; }
.actions { display: flex; gap: 0.5rem; }

button {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 0.6rem 1.1rem;
  border-radius: 8px;
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.danger { color: var(--danger); border-color: var(--danger); }
button.link { border: none; background: none; color: var(--muted); padding: 0; text-decoration: underline; }
button:disabled { opacity: 0.5; cursor: default; }
#new-line, #again { width: 100%; }
#captcha:not(:empty) { margin-bottom: 1rem; display: flex; justify-content: center; }