/* Design System Variables */
/* Modern, dark-mode first design tokens */

:root {
  /* Color Palette - Dark Mode (Default) */
  --color-background: #0a0a0a;
  --color-surface: #18181b;
  --color-surface-elevated: #3f3f46;
  --color-border: #52525b;
  --color-border-light: #71717a;

  /* Text Colors */
  --color-text-primary: #fafafa;
  --color-text-secondary: #a1a1aa;
  --color-text-tertiary: #71717a;

  /* Accent Colors - Security & AI Theme */
  --color-accent-primary: #3b82f6;
  --color-accent-secondary: #8b5cf6;
  --color-accent-tertiary: #06b6d4;
  --color-accent-gradient: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);

  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Semantic Colors */
  --color-award: #f59e0b;
  --color-publication: #8b5cf6;
  --color-link: #60a5fa;
  --color-link-hover: #93c5fd;

  /* Typography */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', 'Monaco', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Spacing Scale */
  --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 */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Border Radius */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --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);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
  --shadow-glow-purple: 0 0 20px rgba(139, 92, 246, 0.3);

  /* Glassmorphism */
  --glass-background: rgba(24, 24, 27, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 12px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-base: 0;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-popover: 500;
  --z-tooltip: 600;

  /* Container Max Width */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* Grid Gaps */
  --grid-gap-sm: var(--space-4);
  --grid-gap-md: var(--space-6);
  --grid-gap-lg: var(--space-8);
}

/* Light Mode Override */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --color-background: #ffffff;
    --color-surface: #f4f4f5;
    --color-surface-elevated: #ffffff;
    --color-border: #d4d4d8;
    --color-border-light: #e4e4e7;

    --color-text-primary: #18181b;
    --color-text-secondary: #52525b;
    --color-text-tertiary: #71717a;

    --color-accent-primary: #2563eb;
    --color-accent-secondary: #7c3aed;
    --color-accent-tertiary: #0891b2;

    --color-link: #2563eb;
    --color-link-hover: #1d4ed8;

    --glass-background: rgba(244, 244, 245, 0.7);
    --glass-border: rgba(0, 0, 0, 0.1);

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.2);
    --shadow-glow-purple: 0 0 30px rgba(139, 92, 246, 0.2);
  }
}

/* Manual Theme Override */
[data-theme="light"] {
  --color-background: #ffffff;
  --color-surface: #f4f4f5;
  --color-surface-elevated: #ffffff;
  --color-border: #d4d4d8;
  --color-border-light: #e4e4e7;

  --color-text-primary: #18181b;
  --color-text-secondary: #52525b;
  --color-text-tertiary: #71717a;

  --color-accent-primary: #2563eb;
  --color-accent-secondary: #7c3aed;
  --color-accent-tertiary: #0891b2;

  --color-link: #2563eb;
  --color-link-hover: #1d4ed8;

  --glass-background: rgba(244, 244, 245, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.15), 0 2px 4px -1px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.2);
  --shadow-glow-purple: 0 0 30px rgba(139, 92, 246, 0.2);
}

[data-theme="dark"] {
  /* Explicitly keep dark theme values */
  color-scheme: dark;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0ms;
    --transition-base: 0ms;
    --transition-slow: 0ms;
    --transition-smooth: 0ms;
  }

  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}