@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-dark: #0f172a;
  --card-dark: #1e293b;
  --border-dark: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --warning: #f59e0b;
  --success: #10b981;
  --danger: #ef4444;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: #0b0f19;
  color: var(--text-main);
  min-height: 100vh;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #0f172a;
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}

/* Pulse badge for waiting signals */
.pulse-waiting {
  animation: pulse-glow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.6);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(245, 158, 11, 0);
  }
}

/* Canvas grid background */
.canvas-grid {
  background-size: 24px 24px;
  background-image: 
    linear-gradient(to right, rgba(51, 65, 85, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(51, 65, 85, 0.3) 1px, transparent 1px);
}

.node-card {
  transition: all 0.2s ease-in-out;
}
.node-card:hover {
  border-color: #3b82f6;
  box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.2);
}