/* ============================================================================
   LIGHTBRUSH - DESIGN TOKENS
   Enterprise design system with electric blue palette and glassmorphism
   ============================================================================ */

:root {
  /* ========================================
     COLOR SYSTEM - Electric Blue Palette
     ======================================== */

  /* Base Colors - Deep Space with Blue Undertone */
  --color-void-black: #050810;
  --color-deep-space: #0a0e1a;
  --color-dark-matter: #111827;
  --color-cosmic-shadow: #1e293b;

  /* Primary Accent - Electric Blue (Lightbrush Signature) */
  --color-primary-100: #14d7f2;
  --color-primary-90: #12c2da;
  --color-primary-80: #10adc2;
  --color-primary-70: #0e98aa;
  --color-primary-60: #0c8392;
  --color-primary-50: #0a6e7a;
  --color-primary-40: #085962;

  /* Secondary Accent - Deep Indigo */
  --color-secondary-100: #6366f1;
  --color-secondary-90: #5a5cda;
  --color-secondary-80: #5052c3;
  --color-secondary-70: #4648ac;
  --color-secondary-60: #3d3e95;
  --color-secondary-50: #33347e;

  /* Tertiary Accent - Signal Orange (Lightbrush Warm) */
  --color-accent-100: #ff914d;
  --color-accent-90: #e68245;
  --color-accent-80: #cc733d;
  --color-accent-70: #b36435;
  --color-accent-60: #99552d;

  /* Neutral Grays with Blue Tint */
  --color-neutral-100: #f1f5f9;
  --color-neutral-90: #e2e8f0;
  --color-neutral-80: #cbd5e1;
  --color-neutral-70: #94a3b8;
  --color-neutral-60: #64748b;
  --color-neutral-50: #475569;
  --color-neutral-40: #334155;
  --color-neutral-30: #1e293b;
  --color-neutral-20: #0f172a;

  /* Glassmorphism Overlay Colors */
  --glass-white-10: rgba(255, 255, 255, 0.1);
  --glass-white-8: rgba(255, 255, 255, 0.08);
  --glass-white-5: rgba(255, 255, 255, 0.05);
  --glass-white-3: rgba(255, 255, 255, 0.03);

  --glass-blue-20: rgba(20, 215, 242, 0.2);
  --glass-blue-15: rgba(20, 215, 242, 0.15);
  --glass-blue-10: rgba(20, 215, 242, 0.1);
  --glass-blue-5: rgba(20, 215, 242, 0.05);

  --glass-indigo-20: rgba(99, 102, 241, 0.2);
  --glass-indigo-15: rgba(99, 102, 241, 0.15);
  --glass-indigo-10: rgba(99, 102, 241, 0.1);
  --glass-indigo-5: rgba(99, 102, 241, 0.05);

  /* ========================================
     GLOW EFFECTS - Electric Shadows
     ======================================== */

  /* Primary Glow - Electric Blue */
  --glow-primary-sm: 0 0 8px rgba(20, 215, 242, 0.3),
                      0 0 16px rgba(20, 215, 242, 0.2);
  --glow-primary-md: 0 0 12px rgba(20, 215, 242, 0.4),
                      0 0 24px rgba(20, 215, 242, 0.3),
                      0 0 36px rgba(20, 215, 242, 0.2);
  --glow-primary-lg: 0 0 16px rgba(20, 215, 242, 0.5),
                      0 0 32px rgba(20, 215, 242, 0.4),
                      0 0 48px rgba(20, 215, 242, 0.3),
                      0 0 64px rgba(20, 215, 242, 0.2);
  --glow-primary-xl: 0 0 24px rgba(20, 215, 242, 0.6),
                      0 0 48px rgba(20, 215, 242, 0.5),
                      0 0 72px rgba(20, 215, 242, 0.4),
                      0 0 96px rgba(20, 215, 242, 0.3);

  /* Secondary Glow - Indigo */
  --glow-secondary-sm: 0 0 8px rgba(99, 102, 241, 0.3),
                        0 0 16px rgba(99, 102, 241, 0.2);
  --glow-secondary-md: 0 0 12px rgba(99, 102, 241, 0.4),
                        0 0 24px rgba(99, 102, 241, 0.3),
                        0 0 36px rgba(99, 102, 241, 0.2);
  --glow-secondary-lg: 0 0 16px rgba(99, 102, 241, 0.5),
                        0 0 32px rgba(99, 102, 241, 0.4),
                        0 0 48px rgba(99, 102, 241, 0.3);

  /* Accent Glow - Orange */
  --glow-accent-sm: 0 0 8px rgba(255, 145, 77, 0.3),
                     0 0 16px rgba(255, 145, 77, 0.2);
  --glow-accent-md: 0 0 12px rgba(255, 145, 77, 0.4),
                     0 0 24px rgba(255, 145, 77, 0.3);

  /* Text Glow */
  --text-glow-primary: 0 0 10px rgba(20, 215, 242, 0.5),
                        0 0 20px rgba(20, 215, 242, 0.3),
                        0 0 30px rgba(20, 215, 242, 0.2);
  --text-glow-secondary: 0 0 10px rgba(99, 102, 241, 0.5),
                          0 0 20px rgba(99, 102, 241, 0.3);
  --text-glow-accent: 0 0 10px rgba(255, 145, 77, 0.5),
                       0 0 20px rgba(255, 145, 77, 0.3);

  /* ========================================
     GLASSMORPHISM EFFECTS
     ======================================== */

  /* Backdrop Blur Levels */
  --blur-xs: blur(4px);
  --blur-sm: blur(8px);
  --blur-md: blur(12px);
  --blur-lg: blur(16px);
  --blur-xl: blur(24px);
  --blur-2xl: blur(32px);

  /* Glass Border Gradients */
  --border-glass-primary: linear-gradient(135deg,
    rgba(20, 215, 242, 0.3) 0%,
    rgba(20, 215, 242, 0.1) 50%,
    rgba(20, 215, 242, 0.3) 100%);

  --border-glass-secondary: linear-gradient(135deg,
    rgba(99, 102, 241, 0.3) 0%,
    rgba(99, 102, 241, 0.1) 50%,
    rgba(99, 102, 241, 0.3) 100%);

  --border-glass-neutral: linear-gradient(135deg,
    rgba(255, 255, 255, 0.2) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(255, 255, 255, 0.2) 100%);

  /* Glass Backgrounds */
  --bg-glass-light: rgba(255, 255, 255, 0.05);
  --bg-glass-medium: rgba(255, 255, 255, 0.08);
  --bg-glass-heavy: rgba(255, 255, 255, 0.12);

  --bg-glass-dark: rgba(5, 8, 16, 0.7);
  --bg-glass-darker: rgba(5, 8, 16, 0.85);

  /* ========================================
     TYPOGRAPHY SCALE
     ======================================== */

  /* Font Families */
  --font-hero: 'Rajdhani', 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Font Sizes - Fluid Typography */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-md: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-lg: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --font-size-2xl: clamp(2rem, 1.6rem + 2vw, 3rem);
  --font-size-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);
  --font-size-4xl: clamp(3rem, 2.5rem + 3vw, 5rem);
  --font-size-5xl: clamp(4rem, 3rem + 5vw, 6rem);
  --font-size-hero: clamp(4.5rem, 3.5rem + 6vw, 8rem);

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Letter Spacing */
  --letter-spacing-tight: -0.05em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.05em;
  --letter-spacing-wider: 0.1em;
  --letter-spacing-widest: 0.2em;

  /* ========================================
     SPACING SCALE - 8px Base Grid
     ======================================== */

  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-40: 10rem;
  --space-48: 12rem;
  --space-64: 16rem;

  /* Section Spacing */
  --section-gap-xs: clamp(2rem, 4vw, 3rem);
  --section-gap-sm: clamp(3rem, 6vw, 4rem);
  --section-gap-md: clamp(4rem, 8vw, 6rem);
  --section-gap-lg: clamp(6rem, 10vw, 8rem);
  --section-gap-xl: clamp(8rem, 12vw, 12rem);

  /* ========================================
     LAYOUT DIMENSIONS
     ======================================== */

  --container-xs: 480px;
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;
  --container-full: 100%;

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-pill: 120px;
  --radius-full: 9999px;

  /* Border Widths */
  --border-0: 0;
  --border-1: 1px;
  --border-2: 2px;
  --border-4: 4px;
  --border-8: 8px;

  /* ========================================
     Z-INDEX LAYERS
     ======================================== */

  --z-background: -1;
  --z-base: 0;
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-fixed: 1200;
  --z-modal-backdrop: 1300;
  --z-modal: 1400;
  --z-popover: 1500;
  --z-tooltip: 1600;

  /* ========================================
     ANIMATION & TRANSITIONS
     ======================================== */

  --ease-linear: linear;
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-elastic: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  --ease-glow: cubic-bezier(0.33, 1, 0.68, 1);

  --duration-instant: 100ms;
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;
  --duration-slower: 700ms;
  --duration-glacial: 1000ms;

  --transition-base: all var(--duration-normal) var(--ease-in-out);
  --transition-fast: all var(--duration-fast) var(--ease-out);
  --transition-glow: box-shadow var(--duration-slow) var(--ease-glow),
                     text-shadow var(--duration-slow) var(--ease-glow);
  --transition-transform: transform var(--duration-normal) var(--ease-smooth);
  --transition-opacity: opacity var(--duration-normal) var(--ease-in-out);
  --transition-colors: background-color var(--duration-normal) var(--ease-in-out),
                       border-color var(--duration-normal) var(--ease-in-out),
                       color var(--duration-normal) var(--ease-in-out);

  /* ========================================
     OPACITY LEVELS
     ======================================== */

  --opacity-0: 0;
  --opacity-10: 0.1;
  --opacity-20: 0.2;
  --opacity-30: 0.3;
  --opacity-40: 0.4;
  --opacity-50: 0.5;
  --opacity-60: 0.6;
  --opacity-70: 0.7;
  --opacity-80: 0.8;
  --opacity-90: 0.9;
  --opacity-100: 1;

  /* ========================================
     SHADOWS - Depth System
     ======================================== */

  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1),
               0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Glassmorphism Shadows with Glow */
  --shadow-glass-sm: 0 4px 12px rgba(0, 0, 0, 0.3),
                      0 0 20px rgba(20, 215, 242, 0.1);
  --shadow-glass-md: 0 8px 24px rgba(0, 0, 0, 0.4),
                      0 0 30px rgba(20, 215, 242, 0.15);
  --shadow-glass-lg: 0 16px 48px rgba(0, 0, 0, 0.5),
                      0 0 40px rgba(20, 215, 242, 0.2);

  /* ========================================
     BREAKPOINTS
     ======================================== */

  --breakpoint-xs: 375px;
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Already dark by default */
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-instant: 0ms;
    --duration-fast: 0ms;
    --duration-normal: 0ms;
    --duration-slow: 0ms;
    --duration-slower: 0ms;
    --duration-glacial: 0ms;
  }
}