/* Custom CSS Variables for Theming */
:root {
  --background: 0 0% 100%;
  --foreground: 0 0% 0%;
  --card: 0 0% 100%;
  --card-foreground: 0 0% 0%;
  --popover: 0 0% 100%;
  --popover-foreground: 0 0% 0%;
  --primary: 0 0% 0%;
  --primary-foreground: 170 70% 96%;
  --secondary: 170 60% 75%;
  --secondary-foreground: 0 0% 0%;
  --muted: 170 20% 96%;
  --muted-foreground: 0 0% 40%;
  --accent: 170 60% 75%;
  --accent-foreground: 0 0% 0%;
  --destructive: 0 84.2% 60.2%;
  --destructive-foreground: 210 40% 98%;
  --border: 0 0% 90%;
  --input: 0 0% 90%;
  --ring: 0 0% 0%;
  --radius: 0.5rem;
}

.dark {
  --background: 0 0% 0%;
  --foreground: 170 20% 96%;
  --card: 0 0% 10%;
  --card-foreground: 170 20% 96%;
  --popover: 0 0% 5%;
  --popover-foreground: 170 20% 96%;
  --primary: 170 60% 75%;
  --primary-foreground: 0 0% 0%;
  --secondary: 0 0% 15%;
  --secondary-foreground: 170 60% 75%;
  --muted: 0 0% 15%;
  --muted-foreground: 0 0% 60%;
  --accent: 0 0% 15%;
  --accent-foreground: 170 60% 75%;
  --destructive: 0 62.8% 30.6%;
  --destructive-foreground: 210 40% 98%;
  --border: 0 0% 20%;
  --input: 0 0% 20%;
  --ring: 170 60% 75%;
}

/* Utility Classes */
.bg-background {
  background-color: hsl(var(--background));
}

.text-foreground {
  color: hsl(var(--foreground));
}

.bg-card {
  background-color: hsl(var(--card));
}

.text-card-foreground {
  color: hsl(var(--card-foreground));
}

.bg-primary {
  background-color: hsl(var(--primary));
}

.text-primary {
  color: hsl(var(--primary));
}

.text-primary-foreground {
  color: hsl(var(--primary-foreground));
}

.bg-secondary {
  background-color: hsl(var(--secondary));
}

.text-secondary {
  color: hsl(var(--secondary));
}

.text-secondary-foreground {
  color: hsl(var(--secondary-foreground));
}

.bg-muted {
  background-color: hsl(var(--muted));
}

.text-muted-foreground {
  color: hsl(var(--muted-foreground));
}

.bg-accent {
  background-color: hsl(var(--accent));
}

.text-accent-foreground {
  color: hsl(var(--accent-foreground));
}

.border {
  border-color: hsl(var(--border));
}

.border-input {
  border-color: hsl(var(--input));
}

/* Body Styles */
body {
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: system-ui, -apple-system, sans-serif;
}

/* Smooth Transitions */
* {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

/* Animations */
@keyframes accordion-down {
  from {
    height: 0;
  }
  to {
    height: var(--radix-accordion-content-height);
  }
}

@keyframes accordion-up {
  from {
    height: var(--radix-accordion-content-height);
  }
  to {
    height: 0;
  }
}

.animate-accordion-down {
  animation: accordion-down 0.2s ease-out;
}

.animate-accordion-up {
  animation: accordion-up 0.2s ease-out;
}

/* Loading Spinner */
.spinner {
  border: 2px solid hsl(var(--muted));
  border-top: 2px solid hsl(var(--primary));
  border-radius: 50%;
  width: 16px;
  height: 16px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}