:root {
  --navy: #171d66;
  --teal: #73afa4;
  --bg: #f4f6fb;
  --ink: #1d2333;
  --muted: #6b7280;
  --error: #b00020;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(23, 29, 102, 0.12);
  padding: 1.75rem;
}
header h1 { margin: 0; color: var(--navy); font-size: 1.4rem; }
.tagline { margin: 0.25rem 0 1rem; color: var(--muted); font-size: 0.9rem; }
.panel { margin-top: 0.5rem; }
.who {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  margin-bottom: 1rem;
}
.code-box {
  background: var(--navy);
  color: #fff;
  border-radius: 12px;
  padding: 1.25rem;
  text-align: center;
}
.code-label { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.8; }
.code {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin: 0.4rem 0;
  font-variant-numeric: tabular-nums;
}
.meta { font-size: 0.78rem; opacity: 0.85; min-height: 1rem; }
.meta.warn { color: #ffd166; opacity: 1; font-weight: 600; }
.google-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #fff;
  color: #3c4043;
  border: 1px solid #dadce0;
  padding: 0.6rem 1rem;
  font-weight: 600;
}
.google-btn:hover { background: #f7f8f8; }
.clients { margin-top: 1.5rem; }
.clients h2 { font-size: 1rem; color: var(--navy); }
form { display: flex; gap: 0.5rem; }
input[type="text"] {
  flex: 1;
  padding: 0.6rem 0.7rem;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 0.95rem;
}
button {
  background: var(--teal);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: default; }
button.link {
  background: none;
  color: var(--teal);
  padding: 0;
  font-weight: 600;
  font-size: 0.82rem;
}
.results { list-style: none; padding: 0; margin: 0.75rem 0 0; }
.results li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid #eef0f5;
}
.results .cname { flex: 1; }
.results .cid { color: var(--muted); font-size: 0.82rem; }
.results .empty { color: var(--muted); justify-content: center; }
.error { color: var(--error); font-size: 0.85rem; }