:root {
    --background: 0 0% 100%;
    --foreground: 0 0% 18%;

    --card: 0 0% 100%;
    --card-foreground: 0 0% 18%;

    --popover: 0 0% 100%;
    --popover-foreground: 0 0% 18%;

    --primary: 32.2 79.6% 69.2%;
    --primary-foreground: 0 0% 18%;

    --secondary: 0 0% 96%;
    --secondary-foreground: 0 0% 18%;

    --muted: 0 0% 96%;
    --muted-foreground: 0 0% 40%;

    --accent: 32.2 79.6% 69.2%;
    --accent-foreground: 0 0% 18%;

    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;

    --border: 0 0% 90%;
    --input: 0 0% 90%;
    --ring: 32.2 79.6% 69.2%;

    --radius: 0.75rem;

    --dark-section: 0 0% 23%;
    --dark-section-foreground: 0 0% 100%;

    --sidebar-background: 0 0% 98%;

    --sidebar-foreground: 240 5.3% 26.1%;

    --sidebar-primary: 240 5.9% 10%;

    --sidebar-primary-foreground: 0 0% 98%;

    --sidebar-accent: 240 4.8% 95.9%;

    --sidebar-accent-foreground: 240 5.9% 10%;

    --sidebar-border: 220 13% 91%;

    --sidebar-ring: 217.2 91.2% 59.8%;

    /* Quiz Specific Tokens */
    --quiz-bg: 36 33% 94%; /* #F5F1EA - Soft Cream */
    --quiz-bg-dark: 222 47% 11%; /* #0F1729 - Deep Midnight Blue */
    --quiz-accent: 32.2 79.6% 69.2%; /* #EFB572 */
    --quiz-text: 222 47% 11%;
    --quiz-text-dark: 36 33% 94%;
  }

  .dark {
    --background: 222.2 84% 4.9%;
    --foreground: 210 40% 98%;

    --card: 222.2 84% 4.9%;
    --card-foreground: 210 40% 98%;

    --popover: 222.2 84% 4.9%;
    --popover-foreground: 210 40% 98%;

    --primary: 210 40% 98%;
    --primary-foreground: 222.2 47.4% 11.2%;

    --secondary: 217.2 32.6% 17.5%;
    --secondary-foreground: 210 40% 98%;

    --muted: 217.2 32.6% 17.5%;
    --muted-foreground: 215 20.2% 65.1%;

    --accent: 217.2 32.6% 17.5%;
    --accent-foreground: 210 40% 98%;

    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 210 40% 98%;

    --border: 217.2 32.6% 17.5%;
    --input: 217.2 32.6% 17.5%;
    --ring: 212.7 26.8% 83.9%;
    --sidebar-background: 240 5.9% 10%;
    --sidebar-foreground: 240 4.8% 95.9%;
    --sidebar-primary: 224.3 76.3% 48%;
    --sidebar-primary-foreground: 0 0% 100%;
    --sidebar-accent: 240 3.7% 15.9%;
    --sidebar-accent-foreground: 240 4.8% 95.9%;
    --sidebar-border: 240 3.7% 15.9%;
    --sidebar-ring: 217.2 91.2% 59.8%;
  }

* { border-color: hsl(var(--border)); }
body { margin: 0; background: hsl(var(--background)); color: hsl(var(--foreground)); }
.font-heading { letter-spacing: -0.04em; }
.font-heading.font-bold { font-weight: 600; }
.font-heading.font-semibold { font-weight: 500; }