:root {
  --iso-blue: #0b2e59;
  --iso-blue-light: #163d73;
  --iso-gray-bg: #f4f6f9;
  --iso-gray-text: #6b7280;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--iso-gray-bg);
  color: #0f172a;
}

.iso-header {
  background: white;
  border-bottom: 1px solid #e5e7eb;
  padding: 1rem 0;
}

.iso-nav a {
  margin-left: 1.5rem;
  color: #0b2e59;
  text-decoration: none;
  font-weight: 500;
}

.iso-nav a:hover {
  text-decoration: underline;
}

.iso-breadcrumbs {
  font-size: 0.875rem;
}

.iso-breadcrumbs a {
  text-decoration: none;
  color: var(--iso-blue);
}

.iso-card {
  background: white;
  border-radius: 14px;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}

.ip-box {
  background: #f8fafc;
  border-radius: 12px;
  padding: 1.25rem;
}

.ip-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--iso-gray-text);
}

.ip-value {
  font-size: 1.4rem;
  font-weight: 600;
  word-break: break-all;
  color: var(--iso-blue);
}

.iso-footer {
  padding: 2rem 0;
  font-size: 0.85rem;
  color: #6b7280;
}