/* ============================================
   Theme: Blue Professional
   Clean corporate blue accent on light background
   ============================================ */

body[data-theme="blue"] {
  --bg-primary: #f0f4f8;
  --bg-secondary: #ffffff;
  --bg-card: #e2e8f0;
  --bg-card-hover: #cbd5e1;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --accent: #2b6cb0;
  --accent-hover: #2c5282;
  --success: #276749;
  --danger: #c53030;
  --warning: #c05621;
}

body[data-theme="blue"] .nav-btn.active {
  background: var(--accent);
  box-shadow: 0 2px 4px rgba(43, 108, 176, 0.3);
}

body[data-theme="blue"] .building-card:hover {
  border-left: 3px solid var(--accent);
}

body[data-theme="blue"] .spot.selected {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(43, 108, 176, 0.4);
}