:root {
  color-scheme: dark light;
  --accent: #818cf8;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a,
button {
  transition: background-color 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}

.glass {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: saturate(140%) blur(10px);
}

.grad {
  background:
    radial-gradient(80% 60% at 50% -10%, rgba(129, 140, 248, 0.25), transparent 60%),
    radial-gradient(70% 60% at 110% 10%, rgba(59, 130, 246, 0.18), transparent 60%),
    radial-gradient(60% 60% at -10% 10%, rgba(16, 185, 129, 0.18), transparent 60%),
    linear-gradient(to bottom right, #0f172a, #1e293b);
}

#chatbot-box.fullscreen {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  max-width: none;
  max-height: none;
  margin: 0;
  border-radius: 0;
  z-index: 50;
}