/**
 * Career Evolution - Design Tokens & Variables
 * Production Design System (No npm / Vanilla CSS Architecture)
 */

:root {
  /* Brand Palette (Aligned with Career Evolution Navy/Blue/Gold Monogram) */
  --ce-navy: #16205b;
  --ce-navy-deep: #0c1236;
  --ce-navy-light: #233385;
  --ce-blue: #2563eb;
  --ce-blue-light: #3b82f6;
  --ce-blue-subtle: #eff6ff;
  --ce-amber: #f59e0b;
  --ce-amber-hover: #d97706;
  --ce-amber-subtle: #fffbeb;
  --ce-emerald: #10b981;
  --ce-rose: #ef4444;

  /* Semantic Theme Tokens - Light Mode Default */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-subtle: #f1f5f9;
  --bg-surface-hover: #e2e8f0;
  --bg-backdrop: rgba(15, 23, 42, 0.6);

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --text-accent: #2563eb;
  --text-brand: #16205b;

  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-focus: #2563eb;

  --primary: #16205b;
  --primary-hover: #0c1236;
  --primary-text: #ffffff;
  --primary-ring: rgba(22, 32, 91, 0.25);

  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-text: #0f172a;
  --accent-ring: rgba(245, 158, 11, 0.3);

  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #0284c7;

  /* Typography Scale */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-hindi: 'Noto Sans Devanagari', var(--font-sans);
  --font-heading: var(--font-sans);

  --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 */

  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  /* 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 */

  /* Border Radii */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px 0 rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.1), 0 4px 8px -2px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 32px -6px rgba(15, 23, 42, 0.14), 0 8px 16px -4px rgba(15, 23, 42, 0.06);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.35);

  /* Containers & Layout */
  --container-max: 1240px;
  --container-wide: 1380px;
  --container-narrow: 880px;
  --header-height: 76px;

  /* Motion Timing */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-smooth);
  --transition-normal: 250ms var(--ease-smooth);
  --transition-slow: 400ms var(--ease-smooth);

  /* Z-Index Ladder */
  --z-negative: -1;
  --z-base: 1;
  --z-elevated: 10;
  --z-sticky: 100;
  --z-header: 500;
  --z-drawer: 900;
  --z-modal: 1000;
  --z-toast: 1100;
  --z-tooltip: 1200;
}

/* Dark Theme Tokens */
[data-theme="dark"] {
  --bg-body: #0a0e1a;
  --bg-surface: #111728;
  --bg-surface-elevated: #162038;
  --bg-surface-subtle: #19243e;
  --bg-surface-hover: #223052;
  --bg-backdrop: rgba(3, 7, 18, 0.75);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;
  --text-accent: #60a5fa;
  --text-brand: #93c5fd;

  --border-subtle: #202b44;
  --border-strong: #334468;
  --border-focus: #3b82f6;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-text: #ffffff;
  --primary-ring: rgba(37, 99, 235, 0.4);

  --accent: #fbbf24;
  --accent-hover: #f59e0b;
  --accent-text: #0f172a;
  --accent-ring: rgba(251, 191, 36, 0.35);

  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 32px -6px rgba(0, 0, 0, 0.6);
}