@layer base {
  :root {
    --background: 0 0% 100%;
    --foreground: 240 10% 3.9%;
    --card: 0 0% 100%;
    --card-foreground: 240 10% 3.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 240 10% 3.9%;
    --primary: 240 5.9% 10%;
    --primary-foreground: 0 0% 98%;
    --secondary: 240 4.8% 95.9%;
    --secondary-foreground: 240 5.9% 10%;
    --muted: 240 4.8% 95.9%;
    --muted-foreground: 240 3.8% 46.1%;
    --accent: 240 4.8% 95.9%;
    --accent-foreground: 240 5.9% 10%;
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 0 0% 98%;
    --border: 240 5.9% 90%;
    --input: 240 5.9% 90%;
    --ring: 240 10% 3.9%;
    --radius: 0.5rem;
  }


  body {
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
  }
}

/* Custom Three.js Canvas Container */
#canvas-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Shadcn-like Utility Classes */
.shad-card {
  background-color: hsl(var(--card));
  color: hsl(var(--card-foreground));
  border: 1px solid hsl(var(--border) / 0.5);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05);
}

.shad-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
.shad-btn:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}
.shad-btn:disabled {
  pointer-events: none;
  opacity: 0.5;
}

.shad-btn-primary {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}
.shad-btn-primary:hover {
  background-color: hsl(var(--primary) / 0.9);
}

.shad-btn-outline {
  border: 1px solid hsl(var(--border));
  background-color: transparent;
}
.shad-btn-outline:hover {
  background-color: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

.shad-btn-ghost {
  background-color: transparent;
}
.shad-btn-ghost:hover {
  background-color: hsl(var(--accent));
  color: hsl(var(--accent-foreground));
}

.shad-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  border: 1px solid transparent;
  padding: 0.125rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}
.shad-badge-default {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}
.shad-badge-secondary {
  background-color: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
}
.shad-badge-destructive {
  background-color: hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
}
.shad-badge-outline {
  border-color: hsl(var(--border));
  color: hsl(var(--foreground));
}