@tailwind base;
@tailwind components;
@tailwind utilities;

:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #162033;
  background: #edf1f6;
  font-synthesis: none;
}

html, body, #root { min-height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 72% -10%, rgba(90, 130, 255, 0.13), transparent 30rem),
    #edf1f6;
}

* { box-sizing: border-box; }

button, input, select, textarea { font: inherit; }

::selection { background: #c8d7ff; color: #14234b; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #c8d0dd; border: 3px solid transparent; border-radius: 999px; background-clip: padding-box; }
::-webkit-scrollbar-track { background: transparent; }

@keyframes trace-flow {
  from { transform: translateX(-150%); }
  to { transform: translateX(350%); }
}

.trace-edge {
  position: relative;
  width: 2.75rem;
  height: 2px;
  flex: 0 0 2.75rem;
  overflow: hidden;
  border-radius: 999px;
  background: #cbd5e1;
}

.trace-edge-active {
  background: #93c5fd;
}

.trace-edge-active::after {
  position: absolute;
  inset-block: 0;
  left: 0;
  width: 35%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, #2563eb, transparent);
  content: "";
  animation: trace-flow 1.2s linear infinite;
}

@keyframes goal-orb-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 rgba(103, 232, 249, 0); }
  50% { transform: scale(1.055); box-shadow: 0 0 28px rgba(103, 232, 249, 0.28); }
}

@keyframes goal-core-pulse {
  0%, 100% { opacity: 0.45; transform: scale(0.7); }
  50% { opacity: 0.1; transform: scale(2.2); }
}

@keyframes goal-signal-ping {
  0% { box-shadow: 0 0 0 0 rgba(103, 232, 249, 0.68); }
  75%, 100% { box-shadow: 0 0 0 9px rgba(103, 232, 249, 0); }
}

.goal-agent-running { animation: goal-orb-breathe 1.8s ease-in-out infinite; }
.goal-agent-running .goal-agent-core { position: absolute; animation: goal-core-pulse 1.8s ease-out infinite; }
.goal-control-signal { animation: goal-signal-ping 1.4s ease-out infinite; }

@media (prefers-reduced-motion: reduce) {
  .trace-edge-active::after { animation: none; }
  .goal-agent-running, .goal-agent-running .goal-agent-core, .goal-control-signal { animation: none; }
}