/**
 * Purrfect Universe: Accessible Design Tokens
 * Accessible Color & Typography System
 * Generated from authentic brand asset analysis
 */

:root {
  /* Brand Core Hues */
  --brand-cosmic-navy: #1A365D;
  --brand-deep-space: #090D16;
  --brand-celestial-blue: #34A7DF;
  --brand-psl-cyan: #0CA6DD;
  --brand-nebula-violet: #D146CB;
  --brand-nebula-deep: #3F0082;
  --brand-solar-orange: #F15E2E;
  --brand-terracotta-amber: #D0824E;

  /* Typography Stacks */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Inter, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, "Liberation Mono", Menlo, Courier, monospace;

  /* Modular Spacing Grid */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Light Theme (Default) */
  color-scheme: light dark;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-elevated: #FFFFFF;
  --bg-translucent: rgba(255, 255, 255, 0.85);

  --text-primary: #0F172A;     /* 18.7:1 AAA against white */
  --text-secondary: #334155;   /* 10.1:1 AAA */
  --text-muted: #475569;       /* 7.2:1 AAA */
  --text-inverse: #FFFFFF;

  --border-subtle: #E2E8F0;
  --border-strong: #CBD5E1;
  --border-focus: #1A365D;

  /* Semantic Hues - Light Mode */
  --accent-primary: #1A365D;
  --accent-interactive: #1E40AF;
  --accent-highlight: #D146CB;
  --accent-energy: #C2410C;

  --semantic-success-text: #065F46;
  --semantic-success-bg: #ECFDF5;
  --semantic-success-border: #A7F3D0;

  --semantic-warning-text: #92400E;
  --semantic-warning-bg: #FFFBEB;
  --semantic-warning-border: #FDE68A;

  --semantic-danger-text: #991B1B;
  --semantic-danger-bg: #FEF2F2;
  --semantic-danger-border: #FECACA;

  --semantic-info-text: #1E40AF;
  --semantic-info-bg: #EFF6FF;
  --semantic-info-border: #BFDBFE;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Explicit Dark Theme and System Preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #090D16;
    --bg-secondary: #0F172A;
    --bg-tertiary: #1E293B;
    --bg-elevated: #162032;
    --bg-translucent: rgba(9, 13, 22, 0.85);

    --text-primary: #F8FAFC;     /* 18.5:1 AAA against #090D16 */
    --text-secondary: #CBD5E1;   /* 11.5:1 AAA */
    --text-muted: #94A3B8;       /* 7.3:1 AAA */
    --text-inverse: #090D16;

    --border-subtle: #1E293B;
    --border-strong: #334155;
    --border-focus: #38BDF8;

    /* Semantic Hues - Dark Mode */
    --accent-primary: #38BDF8;
    --accent-interactive: #60A5FA;
    --accent-highlight: #E879F9;
    --accent-energy: #FB923C;

    --semantic-success-text: #34D399;
    --semantic-success-bg: rgba(6, 95, 70, 0.2);
    --semantic-success-border: rgba(52, 211, 153, 0.3);

    --semantic-warning-text: #FBBF24;
    --semantic-warning-bg: rgba(146, 64, 14, 0.2);
    --semantic-warning-border: rgba(251, 191, 36, 0.3);

    --semantic-danger-text: #F87171;
    --semantic-danger-bg: rgba(153, 27, 27, 0.2);
    --semantic-danger-border: rgba(248, 113, 113, 0.3);

    --semantic-info-text: #38BDF8;
    --semantic-info-bg: rgba(30, 64, 175, 0.2);
    --semantic-info-border: rgba(56, 189, 248, 0.3);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
  }
}

:root[data-theme="dark"] {
  --bg-primary: #090D16;
  --bg-secondary: #0F172A;
  --bg-tertiary: #1E293B;
  --bg-elevated: #162032;
  --bg-translucent: rgba(9, 13, 22, 0.85);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-inverse: #090D16;

  --border-subtle: #1E293B;
  --border-strong: #334155;
  --border-focus: #38BDF8;

  --accent-primary: #38BDF8;
  --accent-interactive: #60A5FA;
  --accent-highlight: #E879F9;
  --accent-energy: #FB923C;

  --semantic-success-text: #34D399;
  --semantic-success-bg: rgba(6, 95, 70, 0.2);
  --semantic-success-border: rgba(52, 211, 153, 0.3);

  --semantic-warning-text: #FBBF24;
  --semantic-warning-bg: rgba(146, 64, 14, 0.2);
  --semantic-warning-border: rgba(251, 191, 36, 0.3);

  --semantic-danger-text: #F87171;
  --semantic-danger-bg: rgba(153, 27, 27, 0.2);
  --semantic-danger-border: rgba(248, 113, 113, 0.3);

  --semantic-info-text: #38BDF8;
  --semantic-info-bg: rgba(30, 64, 175, 0.2);
  --semantic-info-border: rgba(56, 189, 248, 0.3);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
}

:root[data-theme="light"] {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-elevated: #FFFFFF;
  --bg-translucent: rgba(255, 255, 255, 0.85);

  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #475569;
  --text-inverse: #FFFFFF;

  --border-subtle: #E2E8F0;
  --border-strong: #CBD5E1;
  --border-focus: #1A365D;

  --accent-primary: #1A365D;
  --accent-interactive: #1E40AF;
  --accent-highlight: #D146CB;
  --accent-energy: #C2410C;

  --semantic-success-text: #065F46;
  --semantic-success-bg: #ECFDF5;
  --semantic-success-border: #A7F3D0;

  --semantic-warning-text: #92400E;
  --semantic-warning-bg: #FFFBEB;
  --semantic-warning-border: #FDE68A;

  --semantic-danger-text: #991B1B;
  --semantic-danger-bg: #FEF2F2;
  --semantic-danger-border: #FECACA;

  --semantic-info-text: #1E40AF;
  --semantic-info-bg: #EFF6FF;
  --semantic-info-border: #BFDBFE;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}