:root {
  --bg: #09090b;
  --surface: #121215;
  --surface-elevated: #18181b;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);
  --accent-indigo: #6366f1;
}

html, body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Micro-animaciones sutiles y respetuosas */
@keyframes pulse-signal {
  0%, 100% { opacity: 0.3; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1.02); }
}

@keyframes data-stream-left {
  0% { transform: translateX(0); opacity: 0; }
  20% { opacity: 1; }
  80% { opacity: 1; }
  100% { transform: translateX(180px); opacity: 0; }
}

.data-packet-lr {
  animation: data-stream-left 3.5s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

/* Selección de texto limpia */
::selection {
  background-color: rgba(99, 102, 241, 0.3);
  color: #ffffff;
}

/* Barra de desplazamiento refinada */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #09090b;
}

::-webkit-scrollbar-thumb {
  background: #27272a;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3f3f46;
}