:root {
  --bg: #f6f7fb;
  --card: transparent;
  --muted: #6b7280;
  --accent: #2563eb;
  --danger: #ef4444;
  --radius: 0;
  --max-width: 980px;
}

html, body {
  height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.bs-lookup {
  max-width: var(--max-width);
  margin: 36px auto;
  padding: 20px;
  font-family: 'Montserrat', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color: #111827;
  flex: 1 0 auto;
}

.site-footer {
  margin-top: auto;
}

.lookup-card {
  padding: 0;
  margin: 0;
  background: none;
  border-radius: 0;
  box-shadow: none;
}

.lookup-card h1 {
  margin: 0 0 8px 0;
  font-size: 22px;
}

.lookup-card p {
  margin: 0 0 18px 0;
  color: var(--muted);
}

.lookup-form .input-row {
  display: flex;
  gap: 10px;
  align-items: center;
}

.lookup-form input {
  flex: 1 1 auto;
  padding: 12px 14px;
  border-radius: 4px;
  background: #fff;
  outline: none;
  border: 1px solid #ddd;
  transition: box-shadow .12s ease;
  font-size: 16px;
}

.lookup-form input:focus {
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.lookup-form button.primary {
  padding: 11px 16px;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  border: none;
}

.lookup-form button.primary:hover {
  background: #1e40af;
}

.lookup-error {
  background: none;
  color: var(--danger);
  padding: 0;
  border-radius: 0;
  box-shadow: none;
  margin: 10px 0 14px 0;
}


.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 700px) {
  .lookup-form .input-row {
    flex-direction: column;
    align-items: stretch;
  }

  .lookup-form button.primary {
    width: 100%;
  }
}