:root {
  --background: 248 46% 97%;
  --foreground: 230 31% 12%;
  --primary: 263 86% 58%;
  --primary-foreground: 0 0% 100%;
  --secondary: 184 84% 44%;
  --secondary-foreground: 225 38% 10%;
  --muted: 230 20% 91%;
  --muted-foreground: 231 13% 43%;
  --destructive: 350 84% 55%;
  --destructive-foreground: 0 0% 100%;
  --border: 231 22% 84%;
  --card: 0 0% 100%;
  --card-foreground: 230 31% 12%;
  --accent: 40 96% 58%;
  --success: 153 67% 41%;
  --shadow-sm: 0 1px 2px hsl(230 31% 12% / 0.08);
  --shadow-md: 0 14px 35px hsl(230 31% 12% / 0.12);
  --shadow-lg: 0 24px 70px hsl(263 86% 35% / 0.18);
  --transition-fast: 140ms ease;
  --transition-smooth: 260ms cubic-bezier(.2,.8,.2,1);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

.dark {
  --background: 230 34% 7%;
  --foreground: 230 25% 94%;
  --primary: 266 95% 70%;
  --primary-foreground: 230 34% 7%;
  --secondary: 184 90% 54%;
  --secondary-foreground: 230 34% 7%;
  --muted: 229 24% 16%;
  --muted-foreground: 230 14% 70%;
  --destructive: 350 90% 64%;
  --destructive-foreground: 230 34% 7%;
  --border: 229 20% 22%;
  --card: 230 29% 10%;
  --card-foreground: 230 25% 94%;
  --accent: 40 100% 65%;
  --success: 153 72% 52%;
  --shadow-sm: 0 1px 2px hsl(0 0% 0% / 0.28);
  --shadow-md: 0 18px 44px hsl(0 0% 0% / 0.34);
  --shadow-lg: 0 28px 90px hsl(263 86% 28% / 0.36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 5%, hsl(var(--primary) / 0.20), transparent 28rem),
    radial-gradient(circle at 90% 10%, hsl(var(--secondary) / 0.18), transparent 24rem),
    hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
::selection { background: hsl(var(--primary) / 0.22); }

.glass {
  background: hsl(var(--card) / 0.78);
  border: 1px solid hsl(var(--border) / 0.8);
  backdrop-filter: blur(18px);
}

.agent-grid {
  background-image:
    linear-gradient(hsl(var(--border) / 0.52) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--border) / 0.52) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.code-pane {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.pulse-dot {
  animation: pulseDot 1.35s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: .55; }
  50% { transform: scale(1.7); opacity: 1; }
}

.float-card { animation: floatCard 6s ease-in-out infinite; }
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.focus-ring:focus-visible {
  outline: 3px solid hsl(var(--primary) / 0.35);
  outline-offset: 2px;
}